WO2014036944A1

WO2014036944A1 - Disposable tamper-evident lock catch

Info

Publication number: WO2014036944A1
Application number: PCT/CN2013/082935
Authority: WO
Original assignee: 上海鸿润科技有限公司
Priority date: 2012-09-04
Filing date: 2013-09-04
Publication date: 2014-03-13
Also published as: CN102797387B; CN102797387A

Abstract

A disposable tamper-evident lock catch (1, 2, 3), comprising a handle (11, 21, 31), a tearing portion (12, 22, 32), a flexible snap (13, 23, 33), and a connecting arm (14, 24, 34); the flexible snap (13, 23, 33) is provided with a root portion (13b, 23b, 33b) and a snap portion (13a, 23a, 33a); the root portion (13b, 23b, 33b) of the flexible snap (13, 23, 33) is connected to the handle (11, 21, 31) via the tearing portion (12, 22, 32), such that when the tearing portion (12, 22, 32) is torn, the root portion (13b, 23b, 33b) of the flexible snap (13, 23, 33) separates from the handle (11, 21, 31); the snap portion (13a, 23a, 33a) of the flexible snap (13, 23, 33) is connected to the handle (11, 21, 31) via the connecting arm (14, 24, 34), such that when the tearing portion (12, 22, 32) is torn, the snap portion (13a, 23a, 33a) of the flexible snap (13, 23, 33) is still connected to the handle (11, 21, 31) via the connecting arm (14, 24, 34).

Description

One-time anti-theft lock buckle technology field

The invention relates to a buckle, in particular to an anti-theft lock which does not scatter after the damage. Background technique

At present, the type of disposable locks on the market is complicated, and the general purpose is to connect two or more products through a lock to achieve a fixed and locked effect.

The Chinese utility model patent 99237860 discloses a lock used as a box cover type, the lock buckle is inserted into the box, and the box is connected with the cover through the lock buckle, and the lock needs to be broken in order to open the cover during operation, and the cover can be realized. The degree of anti-theft effect. However, after the lock is broken, the tearing material falls into the box, is not environmentally friendly and is not easy to recycle, and has a limited application range.

Chinese invention patent 200910042099 discloses another type of lock, which is constructed by the snap of the lock beam into the lock body to achieve the anti-theft effect. However, this structure has too many parts, a complicated structure, high mold cost, and requires a special tool to break the disposable lock when opening, which is inconvenient to operate. Summary of the invention

It is an object of the present invention to provide a disposable tamper-evident buckle that is easy to operate, simple in structure, tamper-proof and environmentally friendly.

In order to achieve the above object, the present invention provides a disposable tamper-evident buckle, characterized in that: the buckle comprises a handle, a tearing portion, an elastic buckle and a connecting arm, the elastic buckle has a root and a card Buckle; where

a root of the elastic buckle is coupled to the handle by the tearing portion such that a root of the elastic buckle is separated from the handle when the tearing portion is torn;

a locking portion of the elastic buckle is coupled to the handle by a connecting arm, such that when the tearing portion is torn, the locking portion of the elastic buckle and the handle are still connected through the connecting arm Together.

In a first preferred embodiment of the present invention, the handle is a plate-shaped member, and the tearing portion is located at one side of one end of the handle and is provided with a plurality of slits or fine holes, so as to be able to A slit or a fine hole tears the tear to separate the handle from the root of the elastic buckle. In the above first preferred embodiment, the connecting arm is a U-shaped member, and the bottom of the U-shape is fixed on the handle, and the two arms of the U-shaped are respectively buckled with the elastic buckles on both sides of one end of the handle. Department connection.

In the above first preferred embodiment, a ridge and a non-slip groove are further disposed on a surface of the handle on the same side of the elastic buckle, and the ridge is disposed on the anti-slip groove and the elastic buckle between.

In a second preferred embodiment of the present invention, the handle is a plate-shaped member, and the tearing portion is located at a middle portion of one end of the handle and is provided with a plurality of slits or fine holes surrounding a circle, so as to enable A plurality of slits or pores tear the tear to separate the handle from the root of the elastic buckle.

In the above second preferred embodiment, the connecting arm is two separate C-shaped members, and the two ends of the C-shape are respectively connected to the handle and the locking portion of the elastic buckle.

In the second preferred embodiment, a ridge and a non-slip groove are further disposed on a surface of the handle on the same side of the elastic buckle, and the ridge is disposed on the anti-slip groove and the elastic buckle between.

In a third preferred embodiment of the invention,

The handle is composed of a bottom plate and a drawstring, and the bottom plate is connected to the root of the elastic buckle through the tearing portion; the tearing portion is located at two sides of the bottom plate of the handle and is provided with a plurality of slits or The pores enable tearing of the tear along the plurality of slits or pores to separate the handle from the root of the elastic buckle.

In the above third preferred embodiment, the connecting arm is a trigeminal member, and one branch of the trigeminal shape is fixed on the handle, and the other two branches of the trigeminal shape are respectively elastically buckled on both sides of the bottom plate. The buckle is connected.

In the above third preferred embodiment, the handle, the tearing portion, the elastic buckle, and the connecting arm are formed as a single piece.

Preferably, the tamper-evident buckle has an anti-counterfeiting code.

The disposable tamper-evident buckle of the invention has a wide application range, and only needs to be installed in the hole of the product to be locked and the lock. When it is opened, the tearing part of the buckle must be broken and cannot be restored after tearing. Therefore, if the end user finds that the buckle is damaged or the anti-counterfeiting code on the buckle is inconsistent with the original setting, the locked object may be When it is turned on, the user can reject it or view it in further detail, and the anti-theft effect is good. In addition, since the connecting arm is provided, the product does not drop the tear after opening, and has a good environmental protection effect. In addition, the disposable tamper-evident buckle of the invention has the advantages of simple structure, convenient disassembly and assembly, easy production, and low cost. DRAWINGS

1 is a perspective view showing a disposable tamper-evident lock according to a first embodiment of the present invention; FIG. 2 is another perspective view showing a disposable tamper-evident lock according to a first embodiment of the present invention; A front view showing a disposable tamper-evident lock according to a first embodiment of the present invention; FIG. 4 is a side view showing a disposable tamper-evident lock according to a first embodiment of the present invention; A cross-sectional view of the disposable tamper-evident buckle according to the first embodiment of the present invention in an installed state;

Figure 6 is a cross-sectional view showing an outlet tear state of the disposable tamper-evident buckle according to the first embodiment of the present invention;

Figure 7 is a perspective view showing a disposable tamper-evident lock according to a second embodiment of the present invention; Figure 8 is a perspective view showing a disposable tamper-evident lock according to a second embodiment of the present invention; A front view showing a disposable tamper-evident lock according to a second embodiment of the present invention; FIG. 10 is a side view showing a disposable tamper-evident lock according to a second embodiment of the present invention; A cross-sectional view of the disposable tamper-evident latch according to the second embodiment of the present invention in an installed state;

Figure 12 is a cross-sectional view showing an outlet tear state of a disposable tamper-evident buckle according to a second embodiment of the present invention;

Figure 13 is a perspective view showing a disposable tamper-evident lock according to a third embodiment of the present invention; Figure 14 is another perspective view showing a disposable tamper-evident lock according to a third embodiment of the present invention; A front view showing a disposable tamper-evident lock according to a third embodiment of the present invention; Fig. 16 is a side view showing a disposable tamper-evident lock according to a third embodiment of the present invention; A cross-sectional view of the disposable tamper-evident buckle according to the third embodiment of the present invention in an installed state;

Figure 18 is a cross-sectional view showing the state of the outlet tear of the disposable tamper-evident buckle according to the third embodiment of the present invention. detailed description

The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The embodiment shown in the drawings is not intended to limit the scope of the invention, but only to illustrate the spirit of the invention. 1 and 2 are perspective views respectively showing different perspectives of a disposable tamper-evident lock according to a first embodiment of the present invention. As shown in FIGS. 1 and 2, the tamper-evident lock 1 includes a handle 1 1 , a tearing portion 12 , an elastic buckle 13 , and a connecting arm 14 . Preferably, the handle 1 1 , the tear portion 12 , the elastic buckle 13 and the connecting arm 14 are formed as a single piece. The handle 1 1 is a plate-like member and is connected to the root portion 13b of the elastic buckle 13 through the tear portion 12. The tearing portion 12 is a tearable portion located on both sides of one end of the handle 11 and includes a plurality of slits (or fine holes) 12a arranged in a straight line (or curved shape). When the force acts on the handle 1 1 , that is, when the handle 1 1 is pulled in a direction perpendicular to the plane of the handle, the tear portion 12 is torn along the slit 12a, so that the handle 11 and the root 13b of the elastic buckle 13 Disengaging the connection, at this point continuing to pull the handle 1 1 in a direction perpendicular to the plane of the handle causes the resilient buckle 13 to disengage from the object being locked.

As shown more clearly in Fig. 4, the connecting arm 14 is a U-shaped member, and the U-shaped bottom portion 14a is fixed to the handle.

On the 1 1st, the U-shaped arms 14b are respectively connected to the latching portions 13a of the elastic buckles 13 on both sides of the handle 11. Thus, when the tear portion 12 is torn such that the root portion 13b of the elastic buckle 13 is disengaged from the handle 1 1 , the connecting arm 14 causes the handle 11 and the elastic buckle 13 to remain coupled together. At this time, continue to pull the handle 1 1, the connecting arm 14 will pull the elastic buckle 13, through the deformation of the connecting arm 14 and the buckle 13 and the reaction force of the buckle 13, the buckle 13 is separated from the locked object, that is, the lock The buckle 1 is separated from the object being locked. After the buckle 1 is detached, the tearing opening cannot be restored, and the elastic buckle 13 can still be connected to the handle 11 by the connecting arm 14, as shown in Fig. 6, that is, no tearing material will be dropped after the tearing. drop.

The portion 16 between the tear portions 12 on both sides of the handle 1 1 can be used for anti-counterfeiting coding, as shown in FIG. Since the lock 1 is disposable and cannot be restored after tearing, if the end user finds that the lock 1 is damaged or the anti-counterfeit code on the lock 1 is inconsistent with the original setting, the locked object may be turned on. The user can therefore refuse or further view in detail, thereby achieving the purpose of tamper prevention.

Preferably, a ridge 15 and a non-slip groove 17 are provided on the surface of the handle 1 1 on the same side as the buckle 13 as shown more clearly in Fig. 3. The ridge 15 is disposed between the anti-slip groove 17 and the elastic buckle 13 for providing a force fulcrum for the handle 1 1 when opening, to reduce the opening force.

Preferably, the disposable tamper resistant latch 1 is injection molded from a high strength plastic material. The thickness of the tearing portion 12 is between 1/5 and 1/2 of the thickness of the connecting arm 14, thereby ensuring that the tensile strength of the tearing portion 12 is less than the tensile strength of the connecting arm 14, so as to keep the tearing portion from being torn. The connecting arm is not pulled off. Moreover, as will be understood by those skilled in the art, the width of the slits on the tear portion 12 or the diameter of the hole is smaller than the end dimension of the conventional tool to prevent the use of the tool from where it enters the snap-fit position, allowing the elastic snap Deformation, and then remove the disposable environmental lock. Preferably, the width of the slit or the diameter of the hole is less than 1 mm. Preferably, the connecting arm 14 has a certain elasticity, thereby increasing the strength of the buckle 13, so that the buckle 13 is not easily peeled off.

In use, the object to be locked is provided with a locking hole that cooperates with the disposable lock of the present invention, and the disposable lock is pressed into the locking hole of the object 10 to lock the object 10, as shown in FIG. When opened, a force (pull) is applied to the handle 11 to tear the tear portion 12, the handle 1 1 is separated from the root portion 13b of the elastic buckle 13, and the connecting arm 14 is connected to the elastic buckle 13 and pulls the elastic buckle through The plastic deformation of the connecting arm and the elastic buckle and the reaction force of the buckle cause the elastic buckle to separate from the object.

7-12 show a disposable tamper resistant latch 2 in accordance with a second embodiment of the present invention. The tamper-evident latch 2 includes a handle 21, a tearing portion 22, an elastic buckle 23, and a connecting arm 24. Preferably, the handle 21, the tear portion 22, the elastic snap 23 and the connecting arm 24 are formed as a single piece. The handle 21 is a plate member and is connected to the root portion 23b of the elastic buckle 23 through the tear portion 22. The tear portion 22 is a tearable portion located at a central portion of one end of the handle and includes a plurality of slits (or pores) 22a encircling a circle. When the force acts on the handle 21, that is, when the handle 21 is pulled in a direction perpendicular to the plane of the handle, the tear portion 22 is torn along the slit 22a, thereby causing the handle 21 to be disconnected from the root portion 23b of the elastic buckle 23. At this time, continuing to pull the handle 21 can cause the elastic buckle 23 to be disengaged from the object to be locked.

As is more clearly shown in Fig. 10, the connecting arms 24 are two separate C-shaped members, and the two ends of the C-shape are connected to the handle 21 and the latching portion 23a of the elastic buckle 23, respectively. Thus, when the tear portion 22 is torn such that the root portion 23b of the elastic buckle 23 is disengaged from the handle 21, the connecting arm 24 causes the handle 21 and the elastic buckle 23 to remain coupled together. At this time, continue to pull the handle 21, the connecting arm 24 will pull the elastic buckle 23, through the deformation of the connecting arm 24 and the buckle 23 and the reaction force of the buckle 23, the buckle 23 is separated from the locked object, that is, the buckle 2 Separate from the locked object. After the buckle 2 is detached, the tearing opening cannot be restored, and the elastic buckle 23 can still be connected to the handle 21 through the connecting arm 24, as shown in Fig. 12, that is, no tears fall after the tearing. .

Anti-counterfeiting codes can be applied at appropriate locations on the handle 21, such as the portion 26 shown in FIG. Since the buckle 2 is disposable, it cannot be restored after tearing. Therefore, if the end user finds that the buckle 2 is damaged or the anti-counterfeiting code on the buckle 2 is inconsistent with the original setting, the locked object may be turned on. The user can therefore refuse or further view in detail, thereby achieving the purpose of tamper prevention.

Preferably, a ridge 25 and a non-slip groove 27 are provided on the surface of the handle 21 on the same side as the buckle 23, as more clearly shown in FIG. The ridge 25 is disposed between the anti-slip groove 27 and the elastic buckle 23 for providing a force fulcrum for the handle 21 when opening, to reduce the opening force. Preferably, the disposable tamper resistant latch 2 is injection molded from a high strength plastic material. The thickness of the tear portion 22 is between 1/5 and 1/2 of the thickness of the connecting arm 24, thereby ensuring that the tensile strength of the tear portion 22 is less than the tensile strength of the connecting arm 24 to keep the tear portion from being torn. The connecting arm is not pulled off. As will be understood by those skilled in the art, the width of the slits on the tear portion 22 or the diameter of the holes is smaller than the end dimensions of conventional tools to prevent the use of the tool from entering the snap-fit position therefrom, deforming the elastic snaps, Then remove the disposable lock 2 . Preferably, the width of the slit or the diameter of the hole is less than 1 mm.

Preferably, the connecting arm 24 has a certain elasticity, thereby increasing the strength of the buckle 23, so that the buckle 23 is not easily peeled off.

In use, the object to be locked is provided with a locking hole that cooperates with the disposable buckle of the present invention, and the disposable locking button is pressed into the locking hole of the object 10 to lock the object 10, as shown in FIG. When opened, a force (pull) is applied to the handle 21 to tear the tear portion 22, the handle 21 is separated from the root portion 23b of the elastic buckle 23, and the connecting arm 24 connects the elastic buckle 23 and pulls the elastic buckle through the connecting arm. And the plastic deformation of the elastic buckle and the reaction force of the buckle cause the elastic buckle to separate from the object.

13-18 illustrate a disposable tamper-evident latch 3 in accordance with a third embodiment of the present invention. As shown in Figures 13 and 14, the tamper-evident latch 3 includes a handle 31, a tear portion 32, an elastic buckle 33, and a connecting arm 34. Preferably, the handle 31, the tear portion 32, the elastic buckle 33, and the connecting arm 34 are formed as a single piece. The handle 31 is composed of a bottom plate 31a and a draw tape 31b, and the bottom plate 31a is connected to the root portion 33b of the elastic buckle 33 by a tearing portion 32. The tear portion 32 is a tearable portion located on both sides of the bottom plate and includes a plurality of slits (or fine holes) 32a arranged in a straight line (or curved shape). When a force acts on the handle 31, that is, when the handle 31 is pulled in a direction perpendicular to the plane of the bottom plate of the handle, the tear portion 32 is torn along the slit 32a, thereby causing the handle 31 to be disengaged from the root portion 33b of the elastic buckle 33. Connecting, continuing to pull the handle 31 at this time can cause the elastic buckle 33 to disengage from the object to be locked.

As more clearly shown in Fig. 16, the connecting arm 34 is a trigeminal member, a branch 34a of the trigeminal shape is fixed to the handle 31, and the other two branches 34b of the trigeminal shape are respectively elastically buckled on both sides of the handle 31. The latching portion 33a of 33 is connected. Thus, when the tear portion 32 is torn such that the root portion 33b of the elastic buckle 33 is disengaged from the handle 31, the connecting arm 34 causes the handle 31 and the elastic buckle 33 to remain coupled together. At this time, the handle 31 is continuously pulled, and the connecting arm 34 will pull the elastic buckle 33, and the buckle 33 is separated from the locked object by the deformation of the connecting arm 34 and the buckle 33 and the reaction force of the buckle 33, that is, the buckle 3 Separated from the locked object. After the buckle 3 is detached, the tearing opening cannot be restored, and the elastic buckle 33 can still be connected to the handle 31 through the connecting arm 34, as shown in Fig. 18, that is, no tearing material is dropped after the tearing. . The upper surface of the draw tape 31b of the handle 31 can be pseudo coded. Since the buckle 3 is disposable, it cannot be restored after tearing. Therefore, if the end user finds that the buckle 3 is damaged or the anti-counterfeiting code on the buckle 3 is inconsistent with the original setting, the locked object may be turned on. The user can therefore refuse or further view in detail, thereby achieving the purpose of tamper prevention.

Preferably, the disposable tamper resistant latch 3 is injection molded from a high strength plastic material. The thickness of the tear portion 32 is between 1/5 and 1/2 of the thickness of the connecting arm 34, thereby ensuring that the tensile strength of the tear portion 32 is less than the tensile strength of the connecting arm 34 to keep the tear portion from being torn. The connecting arm is not pulled off. As will be understood by those skilled in the art, the width of the slits or the diameter of the holes in the tear portion 32 is smaller than the end dimensions of conventional tools to prevent the use of the tool from entering the snap-fit position therefrom, deforming the elastic buckle, Then remove the disposable environmental lock. Preferably, the width of the slit or the diameter of the hole is less than 1 mm.

In use, the object 10 to be locked is provided with a locking hole that cooperates with the disposable lock of the present invention, and the primary lock 3 is pressed into the locking hole of the object 10 to lock the object 10, as shown in FIG. When opened, a force is applied to the handle 31 (pulled in a direction perpendicular to the plane of the handle floor) to tear the tear portion 32, the handle 31 is separated from the root 33b of the elastic buckle 33, and the connecting arm 34 is connected to the elastic buckle 33 and Pulling the elastic buckle, the elastic buckle is separated from the object by the plastic deformation of the connecting arm and the elastic buckle and the reaction force of the buckle.

The disposable tamper-evident buckle of the invention has a wide application range, and only needs to be installed in the hole of the product to be locked and the lock. When it is opened, the tearing part of the buckle must be broken and cannot be restored after tearing. Therefore, if the end user finds that the buckle is damaged or the anti-counterfeiting code on the buckle is inconsistent with the original setting, the locked object may be When it is turned on, the user can reject it or view it in further detail, and the anti-theft effect is good. In addition, since the connecting arm is provided, the product does not drop the tear after opening, and has a good environmental protection effect. In addition, the disposable tamper-evident buckle of the invention has the advantages of simple structure, convenient disassembly and assembly, easy production, and low cost.

The preferred embodiments of the present invention have been described in detail hereinabove. It is understood that various modifications and changes may be made by those skilled in the art. These equivalent forms are also within the scope defined by the claims appended hereto.

Claims

Rights request

A disposable tamper-evident buckle, characterized in that:

The latch includes a handle, a tearing portion, an elastic buckle, and a connecting arm, the elastic buckle having a root portion and a buckle portion;

2. The disposable tamper-evident buckle according to claim 1, wherein the handle is a plate-shaped member, and the tearing portion is located at one side of one end of the handle and is provided with a plurality of slits or The pores enable tearing of the tear along the plurality of slits or pores to separate the handle from the root of the elastic buckle.

3. The disposable tamper-evident latch according to claim 2, wherein: the connecting arm is a U-shaped member, a U-shaped bottom is fixed on the handle, and the U-shaped arms are respectively located at the same The buckle portion of the elastic buckle on both sides of one end of the handle is connected.

The disposable tamper-evident buckle according to claim 2, wherein: a ridge and a non-slip groove are further disposed on a surface of the handle on the same side of the elastic buckle, the ridge Provided between the anti-slip groove and the elastic buckle.

The disposable tamper-evident buckle according to claim 1, wherein the handle is a plate-shaped member, and the tearing portion is located at a middle portion of one end of the handle and is provided with a circle. Slits or pores that enable tearing of the tear along the plurality of slits or pores to separate the handle from the root of the elastic buckle.

6. The disposable tamper-evident buckle according to claim 5, wherein: the connecting arm is two separate C-shaped members, and the two ends of the C-shape respectively correspond to the handle and the elastic buckle The buckle is connected.

The disposable tamper-evident buckle according to claim 5, wherein: a ridge and a non-slip groove are provided on a surface of the handle on the same side of the elastic buckle, the ridge Provided between the anti-slip groove and the elastic buckle.

8. The disposable tamper-evident buckle according to claim 1, wherein:

9. The disposable tamper-evident latch according to claim 8, wherein: the connecting arm is a three-pronged member, one branch of the trigeminal shape is fixed on the handle, and the other two of the trigeminal shape are The branches are respectively connected to the buckle portions of the elastic buckles on both sides of the bottom plate.

10. The disposable tamper-evident latch according to claim 1, wherein: the handle, the tearing portion, the elastic buckle, and the connecting arm are formed as a single piece.