CN101994439B - Lock device for controlling fluid - Google Patents
Lock device for controlling fluid Download PDFInfo
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- CN101994439B CN101994439B CN2010105217238A CN201010521723A CN101994439B CN 101994439 B CN101994439 B CN 101994439B CN 2010105217238 A CN2010105217238 A CN 2010105217238A CN 201010521723 A CN201010521723 A CN 201010521723A CN 101994439 B CN101994439 B CN 101994439B
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Abstract
The invention belongs to the field of mechanical locks and particularly relates to a lock device for controlling fluid. A piston is arranged between a lock body and a lock core, wherein the lock device is fixed on an inlet and outlet passage of a fluid container, a lock body through hole matched with an inlet and outlet of the fluid container is arranged on the lock body, a lock core through hole communicated with the lock body through hole is arranged on the lock core, the piston is movably connected on the bottom part of the lock core, and the piston has a displacement space in a certain range relative to the lock core and can be pulled by the lock core to do displacement movement. The invention has the advantages that the lock device is applicable to the fluid locking, can realize the locking effect in one flowing direction, is more disguised and is safe, reliable, convenient and practical.
Description
Technical field
The invention belongs to the mechanical lock field, particularly a kind of locking device that is used to control fluid fillers or discharging.
Background technology
At present, general mechanical lock is to be reached control by the purpose of lock object through direct restriction by the displacement movement of lock solids, stops gas or liquid to flow in the container access and can not directly limit.The general effective ways of control for fluid are to stop flowing of gas or liquid through Locked valve, and Locked valve method essential characteristic is that lock is relatively independent with valve mechanism itself; Valve itself is again an air locking, and lock construction will be external, and lock construction is external just to subject to the people for sabotaging; As: civilian petroleum oil liquid gas storage tank in applicable cases such as different operating object and scene circulations, is ordered about by illegal economic interests through regular meeting; Have and occupy new gas tank, adulteration incident takes place.In addition, as application such as civilian petroleum oil liquid gas storage tanks, lock construction is external, the terminal use is used cause inconvenience.
Summary of the invention
The present invention overcomes the weak point that exists in the prior art; Purpose is to provide a kind of locking device that is used to control fluid; This locking device is fixed on the fluid container exit and entrance, and lock is integrated with valve, makes to have only the lock opening just can fill; But can both freely discharge in lock unlatching or closed condition, solve the problem that exists in the prior art.
The present invention achieves the above object through following technical scheme: a kind of inside locking device in a tubular form that is used to control fluid; Comprise lock body, lock core, piston; Wherein: lock body is fixed on the exit and entrance of fluid container; Lock body is provided with the lock body through hole that the access with fluid container is complementary, and lock core is provided with the lock core through hole that is communicated with the lock body through hole, and piston is placed on the piston holder; The relative piston holder of piston can produce the certain limit displacement movement, pulls motion but done by piston holder; Piston holder is fixed in the lock core bottom, and then the relative lock core of piston also can produce the certain limit displacement movement, pulls motion but done by lock core; Piston holder and lock core can be integrated again.When filling fluid, need with supporting private key or filing gun head, the filing gun head plays the key effect, and rifle head and lockhole shaping-orientation groove are convenient to plug in rifle head (key) to bit manipulation.Rifle head surface design concave face, as key " teeth ", all " teeth " match with lock core; Teeth compress pellet shot from a slingshot, and the contact gap that makes two pellets shot from a slingshot between lock core and the lock body forms free cheek over against lock core and gap, lock body border; Can manually rotate, or between lock body and lock core, settle spring, eject the inside lock core; Lock core affects the piston rotation or lifts, and exposes the lock body through hole, can normally fill fluid.If filing gun head and special mechanical lock are unpaired, two pellets shot from a slingshot can block between lock core and the lock body, the relative motion or the displacement of restriction lock body and inner lock core, and piston receives the exterior fluid pressure effect to block the lock body through hole, can not fluid container normally fill.Piston can be done spacing relative motion or activity with lock core, when the container inner fluid outwards discharges, because the container fluid pressure is greater than the container external pressure; Piston stress jack-up; The relative lock core of piston, piston holder and lock body produce displacement movement, and the lock body through hole is opened, and can normally discharge.Discharging need not key operated, and piston is opened automatically, exposes through hole.The above pellet shot from a slingshot is that a kind of pin mainly works to hinder lock body and lock core relative motion; Have only the pellet shot from a slingshot of working as on ad-hoc location, lock body and lock core just possibly produce relative motion; The in fact also available blade of billiards lock structure or other pattern substitute.
Piston can be designed to wafer-type, and the centre has the groove at the end, is contained on the lock core, and piston can be to the relative motion up and down of lock core certain interval.Open the hole on the piston.When the situation of unblanking, lock core rotation drives piston, makes that through hole and lock body through hole are to last on the piston, and the formation passage can be used for fluid fillers or discharging.When the situation of locking, lock core rotation drives piston and makes that through hole and lock body through hole be not to going up on the piston, and when fluid fillers, piston presses to lock body, blocks up the upper lock body through hole, can not fill; When fluid discharges, though on the piston through hole and lock body through hole to not going up, the extruding of receptor internal fluid pressure, piston and lock core have relative motion, on the lock body through hole was not blocked, the formation fluid passage can be used for the container inner fluid and normally discharge.Reliably block filling channel in order to lock, piston can be designed to bowl-shape or spherical, hemispherical, and the mate of lock body through hole is also done corresponding transformation.
The invention has the beneficial effects as follows: the application of locking of suitable convection cell, can lock to a flow direction; Locking device is more hidden, safe and reliable, convenient and practical.
Description of drawings
Fig. 1 is a kind of generalized section that is used to control the wafer-type lock piston device of fluid in the embodiment of the invention 1;
Fig. 2 is a rotary disk piston portion schematic top plan view among Fig. 1;
Fig. 3 is a kind of generalized section that is used to control the ball-type lock piston device of fluid in the embodiment of the invention 2.
Each mark shown in the figure:
The 1-lock core, 2-lock body, 3-wafer-type piston, 4-little spring; Pellet shot from a slingshot before the pellet shot from a slingshot behind the 5-, 6-, 7-lock core through hole, 8-lock body through hole; The 9-teeth, 10-rifle head, 11-piston hole, 12-loose slot; The flat slotted eye of 13-, 14-ball-type piston holder, 15-big spring, 16-ball-type piston.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified:
Embodiment 1:Show that like Fig. 1 a kind of locking device that is used to control fluid comprises lock body 2, lock core 1, wafer-type piston 3; Wherein: lock body 2 is cylindrical shape, can be fixed on the access of fluid container, and lock body 2 is provided with the lock body through hole 8 that the access with fluid container is complementary; Lock core 1 is the cylindrical shape that is complementary with lock body 2, and lock core 1 is provided with the lock core through hole 7 that is communicated with lock body through hole 8, and wafer-type piston 3 is movably connected in lock core 1 bottom; Loose slot 12 is complementary on lock core 1 bottom and the wafer-type piston 3, and is as shown in Figure 2, and wafer-type piston 3 is provided with piston hole 11; Lock body 2 is provided with flat slotted eye 13, and the size of the size of flat slotted eye 13 and piston hole 11 is complementary, and is provided with little spring 4, back pellet shot from a slingshot 5, preceding pellet shot from a slingshot 6 between lock body 2 and the lock core 1; Little spring 4 is positioned at lock body 2 inside, and is inconsistent with back pellet shot from a slingshot 5, and back pellet shot from a slingshot 5 and preceding pellet shot from a slingshot 6 are inconsistent; Before pellet shot from a slingshot 6 receive elastic force to act on lock core 2 inside when flat to stretch to lock core through hole 7, the pellet shot from a slingshot hole of lock core 2 is provided with step, deviates to lock core through hole 7 with pellet shot from a slingshot 6 before avoiding.Lock body 2 flexibly connects with lock core 1, and it is two piston holes that wafer-type piston 3 is provided with piston hole 11.
In Fig. 1; Lock body 2 structures are cylindrical tube; When supporting filing gun head 10 or key insert put in place after, the teeth 9 of supporting design are squeezed preceding pellets shot from a slingshot 6 all in the lock and back contact surface slit between the pellet shot from a slingshot 5, just in time with contact surface slit between lock core 1 and the lock body 2 to last; At same straight line, form free cheek; The rotation of supporting filing gun head, interlock wafer-type piston action is opened the lock body through hole 8 of tubulose, can be used for gas and normally fills.After fluid fillers was accomplished, filing gun head (key) spinning reduction was locked.After filing gun head (key) is extracted, receive little spring 4 effects, back pellet shot from a slingshot 5 is stuck between lock body 2 and the lock core 1, places restrictions on the relative motion of lock body 2 and lock core 1.When fluid discharges; Because container internal pressure is greater than external pressure, piston 3 come-up that is squeezed has relative motion with lock core, and lock body through hole 8 to piston 3 bottoms form paths to the lock core through hole 7 of tubulose again; So whether no matter locking state all can be used for fluid and normally discharge.When fluid fillers, piston 3 receptor external fluid extruding is closed atretic body through hole 8 at locking state, but when unblanking because lock core 1 has relative motion with lock body 2, opened path.
Fig. 2 is rotary disk piston portion schematic top plan view, in Fig. 2, two piston holes 11 and a loose slot 12 is arranged on the wafer-type piston 3; Loose slot 12 is used for lock core interlock piston and rotates; And when fluid discharges, the piston stress extruding, lock core is done radially moving relatively.When state left by lock, piston hole 11 moves to dotted line marker location shown in Figure 2, on 13 pairs of flat slotted eyes on the lock body, forms passage, can be used for fluid and normally fill.
Embodiment 2:The difference of present embodiment and embodiment 1 is that piston is a spring ball-type piston as shown in Figure 3, in Fig. 3; Lock construction is cylindrical tube; When supporting filing gun head (key) insert put in place after, all preceding pellets shot from a slingshot 6 are squeezed and back contact surface slit between the pellet shot from a slingshot 5 in the lock, just in time with contact surface slit between lock core 1 and the lock body 2 to last; At same straight line, form free cheek; Receive big spring 15 elastic force effects, lock core 1 produces radially with lock body 2 and moves relatively, drives the ball-type piston holder 14 that is fixed on the lock core 1 and moves together with ball-type piston 15, opens lock body through hole 8, can be used for fluid and normally fills.After fluid fillers was accomplished, filing gun head (key) was extracted, and is pressed into lock core 1 and is the state of locking.After filing gun head (key) is extracted, receive little spring 4 effects, back pellet shot from a slingshot 5 is stuck between lock body 2 and the lock core 1, places restrictions on the relative motion of lock body 2 and lock core 1.When fluid discharges; Because container internal pressure is greater than external pressure; Ball-type piston 15 be squeezed the come-up with ball-type piston holder 14, lock core 1 relative motion is arranged; Lock body through hole 8 to ball-type piston 3 bottoms form paths to lock core through hole 7 again, so locking state no matter whether all can be used for fluid and normally discharge.When fluid fillers; The extruding of ball-type piston 16 receptor external fluid; Ball-type piston 16 receives 16 engagements of ball-type piston to be closure state to lock body through hole 8 directions motions at the situation lock body through hole 8 of locking, but when unblanking because lock core 1 has relative motion with lock body 2; Ball-type piston 16 does not mesh with lock body through hole 8, has opened path.On the above basis, can be through key, lock core and lock body structure be done little improvement, be not difficult to realize that unlocking condition also can extract key, make things convenient for some application need, repeat no more.
Above said be specific embodiment of the present invention and the know-why used, if the change of doing according to conception of the present invention, when the function that it produced does not exceed spiritual that manual and accompanying drawing contain yet, must belong to protection scope of the present invention.
Claims (4)
1. locking device that is used to control fluid is characterized in that comprising: lock body (2), lock core (1), wafer-type piston (3), and wherein: lock body (2) is cylindrical shape; Can be fixed on the access of fluid container; Lock body (2) is provided with the lock body through hole (8) that the access with fluid container is complementary, the cylindrical shape of lock core (1) for being complementary with lock body (2), and lock core (1) is provided with the lock core through hole (7) that is communicated with lock body through hole (8); Wafer-type piston (3) is movably connected in lock core (1) bottom; Lock core (1) bottom is gone up loose slot (12) with wafer-type piston (3) and is complementary, and wafer-type piston (3) is provided with piston hole (11), and lock body (2) is provided with flat slotted eye (13); The size of the size of flat slotted eye (13) and piston hole (11) is complementary; Be provided with little spring (4), back pellet shot from a slingshot (5), preceding pellet shot from a slingshot (6) between lock body (2) and the lock core (1), little spring (4) is positioned at lock body (2) inside, and is inconsistent with back pellet shot from a slingshot (5); Back pellet shot from a slingshot (5) is inconsistent with preceding pellet shot from a slingshot (6); Preceding pellet shot from a slingshot (6) receives elastic force to act on lock core (1) inside to lock core through hole (7) stretching, extension at ordinary times, and the pellet shot from a slingshot hole of lock core (1) is provided with step, deviates to lock core through hole (7) to avoid preceding pellet shot from a slingshot (6); Lock body (2) flexibly connects with lock core (1), and it is two piston holes that wafer-type piston (3) is provided with piston hole (11).
2. a kind of locking device that is used to control fluid according to claim 1; It is characterized in that: when locking; Lock core (1) is lock body (2) limitation of activity relatively, and this moment, fluid filled to internal tank, and wafer-type piston (3) receives the external pressure effect; Auto-closing lock body through hole (8) can not normally fill fluid to internal tank.
3. a kind of locking device that is used to control fluid according to claim 2; It is characterized in that: when container not being filled fluid, wafer-type piston (3) receptor fluid pressure jack-up is opened lock body through hole (8); No matter whether lock, equal outside exhaust fluid.
4. a kind of locking device that is used to control fluid according to claim 1 is characterized in that: lock body (2), lock core (1), wafer-type piston (3) interlock effect produce the state that opens or closes of lock body through hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105217238A CN101994439B (en) | 2010-10-27 | 2010-10-27 | Lock device for controlling fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105217238A CN101994439B (en) | 2010-10-27 | 2010-10-27 | Lock device for controlling fluid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101994439A CN101994439A (en) | 2011-03-30 |
| CN101994439B true CN101994439B (en) | 2012-11-07 |
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ID=43785130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105217238A Active CN101994439B (en) | 2010-10-27 | 2010-10-27 | Lock device for controlling fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101994439B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567931B (en) * | 2016-11-08 | 2018-10-19 | 深圳市兰洋科技有限公司 | Valve for puzzle lock structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87214221U (en) * | 1987-10-15 | 1988-06-08 | 戴加洪 | Valve safe from thiefs |
| CN2044676U (en) * | 1988-10-12 | 1989-09-20 | 王才根 | Blade-lock turncock |
| CN2266057Y (en) * | 1996-03-18 | 1997-10-29 | 王岩斌 | Cross steel lock ball valve |
| US6543745B1 (en) * | 2001-10-09 | 2003-04-08 | Halkey-Roberts Corporation | Male luer valve |
| US7503908B2 (en) * | 2005-07-22 | 2009-03-17 | B. Braun Medical Inc. | Needleless access port valves |
-
2010
- 2010-10-27 CN CN2010105217238A patent/CN101994439B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87214221U (en) * | 1987-10-15 | 1988-06-08 | 戴加洪 | Valve safe from thiefs |
| CN2044676U (en) * | 1988-10-12 | 1989-09-20 | 王才根 | Blade-lock turncock |
| CN2266057Y (en) * | 1996-03-18 | 1997-10-29 | 王岩斌 | Cross steel lock ball valve |
| US6543745B1 (en) * | 2001-10-09 | 2003-04-08 | Halkey-Roberts Corporation | Male luer valve |
| US7503908B2 (en) * | 2005-07-22 | 2009-03-17 | B. Braun Medical Inc. | Needleless access port valves |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101994439A (en) | 2011-03-30 |
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