CN103879651A - Liquid rationing device - Google Patents
Liquid rationing device Download PDFInfo
- Publication number
- CN103879651A CN103879651A CN201410047522.7A CN201410047522A CN103879651A CN 103879651 A CN103879651 A CN 103879651A CN 201410047522 A CN201410047522 A CN 201410047522A CN 103879651 A CN103879651 A CN 103879651A
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- China
- Prior art keywords
- check valve
- bottle
- housing
- piston
- supplying device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention relates to a liquid rationing device which comprises a first casing, a second casing, a bottle mouth with a first check valve, a suction nozzle with a second check valve and a bottle inner container. A connecting pipe is arranged between the first check valve and the second check vale. The bottle inner container is in sleeve joint with the suction nozzle to form a sealed cavity. The bottle mouth is clamped to the upper end of the first casing, and the second casing is in sleeve joint with the lower end of the first casing. A first position, where the second check valve is closed and the first check valve is communicated, and a second position, where the first check valve is closed and the second check valve is communicated, are arranged in the first casing and the second casing. The first casing and the second casing are in sliding fit from the first position to the second position. Through the first check valve and the second check valve, liquid is prevented from reversely flowing, external air is prevented from entering, and the air can be completely isolated from the liquid, so that addition of preservative is not needed, damage to human eyes is not caused, people wearing contact lenses can also use the device directly, and service life is prolonged.
Description
Technical field
The present invention relates to a kind of feedway, particularly a kind of quantitative supplying device.
Background technology
Fluid Supplying apparatus on market now, for example eye drops, it is completely isolated that traditional medicine bottle cannot really be realized eye drops and air in medicine bottle, so inevitably can add anti fouling composition in eye drops, to extend within a certain period of time the subject word of eye drops, be to cause conventional medicament vials cannot break through the basic reason of divided dose forms.
For there being the user who wears contact lense, anti fouling composition in eye drops can precipitate in contact lense, thereby damage contact lense, so must first take contact lense while using eye drops, this has limited to the use crowd scope of eye drops virtually, and also there is secondary action to human eye in anti fouling composition in eye drops, has increased user's hidden danger.
Summary of the invention
In order to overcome the deficiency in background technology, the invention provides a kind of quantitative supplying device.
The technical solution adopted in the present invention is: a kind of quantitative supplying device, it comprises the first housing, the second housing, be provided with the bottle neck of the first check valve, be provided with suction nozzle and the bottle inner bag of the second check valve, between described the first check valve and the second check valve, be provided with connection pipe, described bottle inner bag is socketed in outside suction nozzle, form closed containing cavity, described bottle neck is fixed on the first housing upper end, described the second housing is socketed in the first housing lower end, in the first housing and the second housing, be provided with the second closed check valve, the primary importance of the first check valve conducting and the first closed check valve, the second place of the second check valve conducting, described the first housing coordinates with the slippage that the second housing forms from primary importance slippage to the second place.
Described the first check valve comprises first piston, the first spring and the mouth core fitting tightly with bottle neck, and described the first spring is connected with first piston, and the two is placed in mouth in-core, and described first piston is close to mouth in-core wall, and the two forms piston and coordinates.
Between described mouth core and bottle neck, be provided with liquid bath, described liquid bath extends to mouth core bottom by mouth core top always, and described mouth core bottom place has liquid pass hole, and described liquid pass hole is communicated with liquid bath and a word groove in the time of primary importance.
Described suction nozzle lower end is a taper hole, is provided with pressure relief groove in taper hole upper end, and lower end is provided with inlet, and is being provided with near in the upper end-face edge same level of taper hole the built-in salient point that is no less than at 3.
Described the second check valve comprises the second piston, steel ball and is positioned at the second spring between the two, and described steel ball is placed in taper hole and has certain upper and lower displacement space, and described steel ball, the second piston and the second spring form piston and coordinate.
Described bottle inner bag is that flexible material is made.
Described bottle inner bag is glued with bottle case outward, and described bottle case opening part is provided with packing seal, and bottle inner bag opening part, bottle case opening part and packing seal match and make a bottle inner bag become closed containing cavity.
Described bottle case is provided with pore.
Connection pipe between described bottle neck and suction nozzle is provided with cutting ferrule outward, described cutting ferrule and bottle case elasticity clamping.
The invention has the beneficial effects as follows: the present invention adopts the first check valve and the second check valve, prevent that liquid countercurrent and outside air from entering, can completely cut off air completely contacts with liquid, therefore without adding anti fouling composition, can not damage human eye, contact lense wearer also can directly use, the use crowd of expansion; Due to positive confinement, extend useful life, overcome the deficiency of the divided dose forms of conventional medicament vials, can be as required, hold heavy dose of liquid.
Brief description of the drawings
Fig. 1 is External view of the present invention.
Fig. 2 is the section-drawing of A-A in Fig. 1 of the present invention.
Fig. 3 is the constructional drawing of the present invention's the first check valve.
Fig. 4 is the constructional drawing of bottle neck of the present invention.
1-bottle cap, 2-bottle neck, 3-the first spring, 4-first piston, 5-the first housing, 6-packing seal, 7-the second piston, 8-the second spring, 9-steel ball, 10-bottle inner bag, 11-bottle case, 12-the second housing, 13-pore, the built-in salient point of 14-, 15-liquid pass hole, 16-liquid bath, 17-mono-word groove, 18-mouth core, 19-pressure relief groove, 20-suction nozzle, 21-cutting ferrule, 22-inlet, 23-taper hole, 24-connection pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the present invention is further illustrated:
As Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, a kind of quantitative supplying device, it comprises the first housing 5, the second housing 12, be provided with the bottle neck 2 of the first check valve, be provided with the suction nozzle 20 of the second check valve, bottle inner bag 10 and be enclosed within the bottle cap 1 outside bottle neck 2, between described the first check valve and the second check valve, be provided with connection pipe 24, described bottle inner bag 10 is socketed in outside suction nozzle 20, form closed containing cavity, described bottle neck 2 is fixed on the first housing 5 upper ends, described the second housing 12 is socketed in the first housing 5 lower ends, in the first housing 5 and the second housing 12, be provided with the second closed check valve, the primary importance of the first check valve conducting and the first closed check valve, the second place of the second check valve conducting, described the first housing 5 coordinates with the slippage that the second housing 12 forms from primary importance slippage to the second place, the first check valve and the conducting when different of the second check valve, prevent that liquid countercurrent and outside air from entering, completely isolated air contacts with liquid, therefore without adding anti fouling composition, can not damage human eye, contact lense wearer also can directly use, the use crowd who expands, due to positive confinement, extend useful life.
Described the first check valve comprises first piston 4, the first spring 3 and the mouth core 18 fitting tightly with bottle neck 2, described the first spring 3 is connected with first piston 4, the two is placed in mouth core 18, described first piston 4 is close to mouth core 18 inwalls, the two forms piston and coordinates, between described mouth core 18 and bottle neck 2, be provided with liquid bath 16, described liquid bath 16 extends to mouth core 18 bottoms by mouth core 18 tops always, described first piston 4 upper ends are cylinder, lower end is that a diameter is less than cylinder, be greater than the boss of connection pipe 24, boss tail end has a word groove 17, described mouth core 18 bottom places have liquid pass hole 15, in the time of primary importance, first piston 4 external cylindrical surfaces do not block liquid pass hole 15, one word groove 17 lower ends are communicated with connection pipe 24, horizontal ends is communicated with liquid pass hole 15, form the circulation passage of liquid, bottle neck 2 places adopt check valve, in the time of the second place, first piston 4 external cylindrical surfaces and liquid pass hole 15 are fitted, block liquid pass hole 15, thereby closing liquid circulation passage, air is completely cut off outside, avoid air to enter in this device, and the flow direction of word groove 17 guiding liquids, improve the efficiency of this device.
Described suction nozzle 20 lower ends are a taper hole 23, are provided with pressure relief groove 19, in taper hole 23 upper ends in the time of primary importance, the second piston 7 is to the second housing 12 direction slippages, to pressure relief groove 19 places, the top and bottom that the second piston 7 is fitted with suction nozzle 20 communicate, connection pipe 24 internal pressure removals; Taper hole 23 lower ends are provided with inlet 22, and are being provided with near in the upper end-face edge same level of taper hole 23 the built-in salient point 14 that is no less than at 3, the space that inlet 22 and built-in salient point 14 form, and to 9 position-limiting actions of steel ball, the action radius of restriction steel ball 9.
Described the second check valve comprises the second piston 7, steel ball 9 and is positioned at the second spring 8 between the two, when installation, firmly make it, by built-in salient point 14 planes, to be placed in taper hole 23 by steel ball 9, only in taper hole 23, carry out displacement in a small amount, described steel ball 9, the second piston 7 and the second spring 8 form piston and coordinate, the key of this check valve is steel ball 9, and especially, in the time of primary importance, steel ball 9 compresses inlet 22, prevent that the liquid backflow in suction nozzle 20 from entering bottle inner bag 10, play the effect of isolated blocking-up.
When external pressure acts on first vertically, on the second housing, the second housing 12 drives bottle case 11, bottle inner bag 10 and suction nozzle 20 are to moving near the first housing 5 directions, suction nozzle 20 internal liquids are compressed, hydraulic pressure promotes steel ball 9 downwards and compresses inlet 22, liquid in blocking-up bottle inner bag 10 enters in suction nozzle 20, realize the closure of the second check valve, hydraulic pressure upwards promotes first piston 4 upward movements, simultaneously, the first housing 5 drives bottle neck 2 to moving near the second housing 12 directions, be communicated with to a word groove 17 and liquid pass hole 15, realize the connection of the first check valve, now the first spring 3 is owing to producing by compression reverse elastic force, liquid is through connection pipe 24, one word groove 17, liquid pass hole 15 and liquid bath 16 flow out bottle neck 2, the second piston 7 slides to the second housing 12 directions simultaneously, contact and stop gliding with pressure relief groove 19 to the second piston 7 ends, the second spring 8 is because compression produces reverse elastic force, in the second check valve closure, the second piston 7 motion compresses suction nozzle 20 inner chambers, simultaneously 4 upward movements until a word groove 17 and liquid pass hole 15 be communicated with, i.e. the first check valve conducting, the amount of compression that the second piston 7 continues to produce to the second housing 12 direction compressions is liquid outflow amount, the product of the stroke that the transverse cutting area quantitatively contacting with the second piston 7 for the cavity of suction nozzle 20 of its output and the second piston 7 compress to the second housing 12 directions after a word groove 17 and liquid pass hole 15 are communicated with.
When nothing is defeated and acted on first outward, on the second housing, under the reverse elastic force effect of the first spring 3, drive bottle neck 2 to moving away from the second housing 12 directions, liquid pass hole rises on 15 positions, piston 4 external cylindrical surfaces block liquid pass hole 15, realize closing of the first check valve, simultaneously, the second spring 8 promotes the second piston 7 to the first housing 5 direction motions, to first, the second spring 8 elastic force discharge completely, now the hydraulic pressure of bottle inner bag 10 is greater than the pressure in suction nozzle 20, liquid backs down steel ball 9, inlet 22 is opened, the second check valve conducting, liquid flows into from inlet 22, be full of connection pipe 24 and suction nozzle 20.
Described bottle case 11 is provided with pore 13, described bottle inner bag 10 is that flexible material is made, can separate and laminating with bottle case 11, in the time installing in the second place, the liquid in bottle inner bag 10 flows into suction nozzle 20 and connection pipe 24, synchronous, gas enters in bottle case 11 from pore 13, make bottle case 11 and the air pressure of bottle between inner bag 10 keep equating with barometric pressure so that the liquid in bottle inner bag 10 flows in suction nozzle 20 smoothly, and bottle inner bag 10 along with the minimizing of institute's holding liquid reduced volume.
The outer bottle case 11 that is glued with of described bottle inner bag 10, described bottle case 11 opening parts are provided with packing seal 6, ring-like packing seal 6 is socketed in outside suction nozzle 20, bottle inner bag 10 opening parts, bottle case 11 opening parts and packing seal 6 match and make bottle inner bag 10 become closed containing cavity, and the joint of bottle inner bag 10 opening parts, bottle case 11 opening parts and packing seal 6, in cutting ferrule 21, is close to cutting ferrule 21, further sealed volume, can be as required, the size of design sealed volume, holds heavy dose of liquid and realize.
The outer cutting ferrule 21 that is provided with of connection pipe 24 between described bottle neck 2 and suction nozzle 20, described cutting ferrule 21 and bottle case 11 elasticity clampings, play fixation, when first, second housing axial compression, cutting ferrule 21 moves to approaching the first housing 5 with the second housing, supports the straight-line motion of suction nozzle 20 and bottle inner bag 10.
Below described embodiment is only the preferred embodiment of the present invention by reference to the accompanying drawings, and the not restriction to protection scope of the present invention, any improvement of doing based on spirit of the present invention all ought to be within protection domain of the present invention.
Claims (9)
1. a quantitative supplying device, it is characterized in that: it comprises the first housing (5), the second housing (12), be provided with the bottle neck (2) of the first check valve, be provided with suction nozzle (20) and the bottle inner bag (10) of the second check valve, between described the first check valve and the second check valve, be provided with connection pipe (24), described bottle inner bag (10) is socketed in outside suction nozzle (20), form closed containing cavity, described bottle neck (2) is fixed on the first housing (5) upper end, described the second housing (12) is socketed in the first housing (5) lower end, in the first housing (5) and the second housing (12), be provided with the second closed check valve, the primary importance of the first check valve conducting and the first closed check valve, the second place of the second check valve conducting, described the first housing (5) coordinates with the slippage that the second housing (12) forms from primary importance slippage to the second place.
2. a kind of quantitative supplying device according to claim 1, it is characterized in that: described the first check valve comprises first piston (4), the first spring (3) and the mouth core (18) fitting tightly with bottle neck (2), described the first spring (3) is connected with first piston (4), the two is placed in mouth core (18), described first piston (4) is close to mouth core (18) inwall, and the two forms piston and coordinates.
3. a kind of quantitative supplying device according to claim 2, it is characterized in that: between described mouth core (18) and bottle neck (2), be provided with liquid bath (16), described liquid bath (16) extends to mouth core (18) bottom by mouth core (18) top always, described mouth core (18) bottom place has liquid pass hole (15), and described first piston (4) tail end has the word groove (17) being connected with connection pipe (24) in primary importance.
4. a kind of quantitative supplying device according to claim 1, it is characterized in that: described suction nozzle (20) lower end is a taper hole (23), be provided with pressure relief groove (19) in taper hole (23) upper end, lower end is provided with inlet (22), and is being provided with near in the upper end-face edge same level of taper hole (23) the built-in salient point (14) that is no less than at 3.
5. a kind of quantitative supplying device according to claim 4, it is characterized in that: described the second check valve comprises the second piston (7), steel ball (9) and is positioned at the second spring (8) between the two, described steel ball (9) is placed in taper hole (23) and has certain upper and lower displacement space, and described steel ball (9), the second piston (7) and the second spring (8) form piston and coordinate.
6. a kind of quantitative supplying device according to claim 1, is characterized in that: described bottle inner bag (10) is that flexible material is made.
7. a kind of quantitative supplying device according to claim 1, it is characterized in that: the outer bottle case (11) that is glued with of described bottle inner bag (10), described bottle case (11) opening part is provided with packing seal (6), and bottle inner bag (10) opening part, bottle case (11) opening part and packing seal (6) match and make a bottle inner bag (10) become closed containing cavity.
8. a kind of quantitative supplying device according to claim 1, is characterized in that: described bottle case (11) is provided with pore (13).
9. a kind of quantitative supplying device according to claim 1, it is characterized in that: the outer cutting ferrule (21) that is provided with of connection pipe (24) between described bottle neck (2) and suction nozzle (20), described cutting ferrule (21) and bottle case (11) elasticity clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410047522.7A CN103879651A (en) | 2014-02-11 | 2014-02-11 | Liquid rationing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410047522.7A CN103879651A (en) | 2014-02-11 | 2014-02-11 | Liquid rationing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103879651A true CN103879651A (en) | 2014-06-25 |
Family
ID=50948835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410047522.7A Pending CN103879651A (en) | 2014-02-11 | 2014-02-11 | Liquid rationing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103879651A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107082183A (en) * | 2017-06-09 | 2017-08-22 | 中山市意创科技研发有限公司 | A kind of two-chamber dosing container |
| CN108100449A (en) * | 2018-01-30 | 2018-06-01 | 深圳市通产丽星股份有限公司 | A kind of packing container with brush head |
| CN108771622A (en) * | 2018-07-11 | 2018-11-09 | 尹振图 | A kind of self-closing aciculiform drip nozzle and eyedrops bottle |
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| DE4400945A1 (en) * | 1994-01-14 | 1995-07-20 | Ursatec Verpackung Gmbh | Pump container for medical or cosmetic fluids |
| DE29717240U1 (en) * | 1997-09-26 | 1997-11-27 | Gaplast Gmbh | Container with a pump |
| US6053368A (en) * | 1995-11-17 | 2000-04-25 | Ursatec Verpackung-Gmbh | Anti-contamination dispensing apparatus for fluids |
| DE10108486A1 (en) * | 2001-02-22 | 2002-09-19 | Steven Padar | Device for application of fluids comprises a valve with a sealing element which by means of a spring is pressed against the outlet so that the pump channel at its distal end is closed |
| US20030183655A1 (en) * | 2000-10-10 | 2003-10-02 | Steven Padar | Fluid dispensing device |
| US20040050858A1 (en) * | 2002-07-13 | 2004-03-18 | Aero Pump Gmbh | Double-acting pump for ejecting a product from a container |
| US20040200860A1 (en) * | 2003-04-09 | 2004-10-14 | Ursapharm Arzneimittel Gmbh & Co. Kg | Fluid dispenser |
| CN100531925C (en) * | 2005-04-27 | 2009-08-26 | 史蒂文·帕达尔 | Method for manufacturing such a filled dosing pump |
| CN103180051A (en) * | 2010-10-20 | 2013-06-26 | 乌尔萨法姆药物有限责任公司 | Metering pump |
-
2014
- 2014-02-11 CN CN201410047522.7A patent/CN103879651A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4400945A1 (en) * | 1994-01-14 | 1995-07-20 | Ursatec Verpackung Gmbh | Pump container for medical or cosmetic fluids |
| US6053368A (en) * | 1995-11-17 | 2000-04-25 | Ursatec Verpackung-Gmbh | Anti-contamination dispensing apparatus for fluids |
| DE29717240U1 (en) * | 1997-09-26 | 1997-11-27 | Gaplast Gmbh | Container with a pump |
| US20030183655A1 (en) * | 2000-10-10 | 2003-10-02 | Steven Padar | Fluid dispensing device |
| DE10108486A1 (en) * | 2001-02-22 | 2002-09-19 | Steven Padar | Device for application of fluids comprises a valve with a sealing element which by means of a spring is pressed against the outlet so that the pump channel at its distal end is closed |
| US20040050858A1 (en) * | 2002-07-13 | 2004-03-18 | Aero Pump Gmbh | Double-acting pump for ejecting a product from a container |
| US20040200860A1 (en) * | 2003-04-09 | 2004-10-14 | Ursapharm Arzneimittel Gmbh & Co. Kg | Fluid dispenser |
| CN100531925C (en) * | 2005-04-27 | 2009-08-26 | 史蒂文·帕达尔 | Method for manufacturing such a filled dosing pump |
| CN103180051A (en) * | 2010-10-20 | 2013-06-26 | 乌尔萨法姆药物有限责任公司 | Metering pump |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107082183A (en) * | 2017-06-09 | 2017-08-22 | 中山市意创科技研发有限公司 | A kind of two-chamber dosing container |
| CN107082183B (en) * | 2017-06-09 | 2019-11-08 | 中山市意创科技研发有限公司 | A kind of two-chamber dosing container |
| CN108100449A (en) * | 2018-01-30 | 2018-06-01 | 深圳市通产丽星股份有限公司 | A kind of packing container with brush head |
| CN108100449B (en) * | 2018-01-30 | 2023-09-15 | 深圳市通产丽星科技集团有限公司 | Packaging container with brush head |
| CN108771622A (en) * | 2018-07-11 | 2018-11-09 | 尹振图 | A kind of self-closing aciculiform drip nozzle and eyedrops bottle |
| CN108771622B (en) * | 2018-07-11 | 2022-01-07 | 尹振图 | Self-closing needle-shaped dripping nozzle and eye drop bottle |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140625 |