CN209921955U - Leakage-proof foam pump - Google Patents
Leakage-proof foam pump Download PDFInfo
- Publication number
- CN209921955U CN209921955U CN201920806915.XU CN201920806915U CN209921955U CN 209921955 U CN209921955 U CN 209921955U CN 201920806915 U CN201920806915 U CN 201920806915U CN 209921955 U CN209921955 U CN 209921955U
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- Prior art keywords
- liquid
- air
- airtight chamber
- pump body
- bottle
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- Withdrawn - After Issue
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- 239000006260 foam Substances 0.000 title claims abstract description 40
- 239000007788 liquid Substances 0.000 claims abstract description 109
- 239000008258 liquid foam Substances 0.000 claims abstract description 3
- 230000000903 blocking effect Effects 0.000 claims description 21
- 239000013589 supplement Substances 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 7
- 230000001502 supplementing effect Effects 0.000 claims description 7
- 230000002265 prevention Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009469 supplementation Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Abstract
The utility model relates to a foam pump especially relates to a leak protection liquid foam pump. A pump body step is arranged between the airtight chamber and the liquid-tight chamber of the foam pump body, an air return hole communicated with the airtight chamber and the interior of the bottle body is formed in the pump body step, and an air stop valve is arranged above the air return hole. Inside airtight chamber and the bottle of air-return hole intercommunication, when the inside pressure of bottle reduces, the check valve is opened, inside replenishing the bottle with the air in the airtight chamber through the air-return hole to realize resumeing the purpose of the inside pressure of bottle, guarantee that the effect is normal once to press next time. And the check valve is arranged below the air return hole, and can prevent liquid in the bottle from entering the airtight chamber through the air return hole, so that the problem that the liquid enters the pump body in the prior art is solved, gas can smoothly enter the bottle, the effect is remarkable, and the air-tight bottle is suitable for popularization.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a foam pump especially relates to a leak protection liquid foam pump.
[ background of the invention ]
The traditional foam pump is used for ensuring that the pressure in the bottle returns to be normal after liquid in the bottle is extruded, the next use is avoided, the pressing effect is not influenced, the air return hole is usually and directly formed in the wall of the pump body, and the mode of supplementing gas in the bottle by using the air return hole is adopted. The air return hole does not have the effect of stopping liquid from flowing back, so that the piston in the pump body is used as a seal to prevent the liquid from flowing back into the pump body. However, the piston in the pump body can not ensure the injection molding stability of each product in the production process, and individual products always generate scratches, so that the piston in the pump body is in non-sealing connection with the inner wall of the pump body; or after long-term storage, the size of the piston in the pump body is shrunk and changed due to the temperature difference between the inside and the outside of the bottle body, so that the piston in the pump body is in non-sealing connection with the inner wall of the pump body; or the piston in the pump body is damaged, scratched and the like in the using process, so that the piston in the pump body is not in sealing connection with the inner wall of the pump body, the liquid pumping effect is influenced, liquid flows back into the pump body, and the service life of the foam pump is shortened. Therefore, it is necessary to provide a liquid leakage preventing foam pump which can prevent the liquid in the bottle from entering the pump body.
[ summary of the invention ]
The utility model aims at solving the above problems and providing a leakage-proof foam pump which has exquisite structure, can smoothly supplement gas in the bottle and simultaneously prevent liquid in the bottle from entering the pump body.
In order to achieve the above purpose, the leakage-proof foam pump of the present invention comprises a pump body 10 installed in a bottle body, wherein the pump body 10 is divided into an airtight chamber 11 and a liquid-tight chamber 12, a pump body step 13 is arranged between the airtight chamber 11 and the liquid-tight chamber 12, an air return hole 14 communicating the airtight chamber 11 with the interior of the bottle body is arranged on the pump body step 13, and an air stop valve 15 is arranged above the air return hole 14; the airtight chamber 11 is also internally provided with an inner piston 20 of the pump body which can move up and down in the airtight chamber 11 to adjust the pressure intensity of the airtight chamber 11, the periphery of the inner piston 20 of the pump body is sealed with the airtight chamber 11, and the inner piston 20 of the pump body is provided with a plurality of air replenishing holes 21 which are communicated with the airtight chamber 11 and the outside of the bottle body; a liquid drawing column 60 is also arranged in the pump body 10, the liquid drawing column 60 passes through the airtight chamber 11 to be communicated with the airtight chamber 12, and the liquid drawing column 60 is provided with a drawing column steric hindrance 61 annularly arranged on the outer wall of the liquid drawing column; the piston 20 in the pump body is also provided with a blade 30, the inner end and the outer end of the blade 30 are respectively provided with a first blade block 31 and a second blade block 32, the first blade block 31 is lapped above the drawing column steric hindrance 61, and the second blade block 32 is arranged below the air supplement hole 21; a check valve 80 is further arranged below the air return hole 14, and the check valve 80 is a one-way valve for air to enter the bottle body from the airtight chamber 11.
Further, the air check valve 15 is an elastic air check valve, the pressure in the airtight chamber 11 is increased, and the air check valve 15 covers the air return hole 14 in a downward pressing manner to seal the air return hole 14; the pressure in the airtight chamber 11 is reduced, and the air check valve 15 bounces off the air return hole 14 to open the air return hole 14.
Further, the first blade block seal 31 is an elastic block seal, the pressure inside the airtight chamber 11 is increased, the first blade block seal 31 is separated from the pull column steric hindrance 61 to form a first gas passage between the airtight chamber 11 and the liquid pull column 60, and the first gas passage is communicated with the top of the liquid pull column 60.
Further, the second blade blocking seal 32 is an elastic blocking seal, the pressure in the airtight chamber 11 is increased, and the second blade blocking seal 32 covers the lower part of the air replenishing hole 21 to seal the air replenishing hole 21; the pressure inside the airtight chamber 11 decreases and the second vane stopper 32 springs away from the gas replenishing hole 21 to form a second gas passage from the outside of the bottle body to the airtight chamber 11.
Furthermore, a liquid drawing rod 50 is arranged in the liquid drawing column 60, the bottom of the liquid drawing rod 50 is connected with a liquid suction piston 71, and the liquid suction piston 71 is used for communicating the liquid tight chamber 12 with the liquid drawing column 60.
Further, the bottom of the periphery of the liquid drawing column 60 is further provided with a spring seat 70 fixed on the pump body 10, the spring is sleeved on the liquid drawing column 60, the upper end of the spring is connected below the steric hindrance 61 of the drawing column, and the lower end of the spring is connected on the spring seat 70.
Further, a liquid blocking valve 92 is arranged at the bottom of the liquid-tight chamber 12.
Further, a foam forming net 91 is arranged above the liquid drawing column 60, the foam forming net 91 is installed in the press head 90, the piston 20 in the pump body is connected below the press head 90, and air passing through the first air channel and liquid passing through the liquid drawing column 60 are mixed and then pass through the foam forming net 91 to form foam.
The utility model discloses a contribution lies in providing another kind of prevention of liquid leakage foam pump, is provided with pump body step between the airtight chamber of this foam pump body and the liquid tight room, is provided with the inside return air hole of intercommunication airtight chamber and bottle on the pump body step, and return air hole top is provided with the only gas valve. Inside airtight chamber and the bottle of air-return hole intercommunication, when the inside pressure of bottle reduces, the check valve is opened, inside replenishing the bottle with the air in the airtight chamber through the air-return hole to realize resumeing the purpose of the inside pressure of bottle, guarantee that the effect is normal once to press next time. And the check valve is arranged below the air return hole, and can prevent liquid in the bottle from entering the airtight chamber through the air return hole, so that the problem that the liquid enters the pump body in the prior art is solved, gas can smoothly enter the bottle, the effect is remarkable, and the air-tight bottle is suitable for popularization. And form the foam through foam forming net after guaranteeing gaseous and liquid ability intensive mixing, the utility model discloses still set up first gas passage, first gas passage draws the column top intercommunication with liquid, and when the increase of airtight indoor pressure, gaseous only passes through from first gas passage to guarantee gaseous and liquid intensive mixing.
[ description of the drawings ]
Fig. 1 is a schematic sectional structure of the present invention.
Fig. 2 is a schematic partial sectional view of the foam pump of the present invention.
[ detailed description ] embodiments
The following examples are further to explain and supplement the present invention, and do not constitute any limitation to the present invention.
Example 1
As shown in fig. 1 and 2, the liquid leakage preventing foam pump of the present embodiment includes a pump body 10 installed in a bottle body, the pump body 10 is divided into an airtight chamber 11 and a liquid-tight chamber 12, a pump body step 13 is disposed between the airtight chamber 11 and the liquid-tight chamber 12, an air return hole 14 communicating the airtight chamber 11 and the bottle body is disposed on the pump body step 13, and an air stop valve 15 is disposed above the air return hole 14; the airtight chamber 11 is also internally provided with an inner piston 20 of the pump body which can move up and down in the airtight chamber 11 to adjust the pressure intensity of the airtight chamber 11, the periphery of the inner piston 20 of the pump body is sealed with the airtight chamber 11, and the inner piston 20 of the pump body is provided with a plurality of air replenishing holes 21 which are communicated with the airtight chamber 11 and the outside of the bottle body; a liquid drawing column 60 is also arranged in the pump body 10, the liquid drawing column 60 passes through the airtight chamber 11 to be communicated with the airtight chamber 12, and the liquid drawing column 60 is provided with a drawing column steric hindrance 61 annularly arranged on the outer wall of the liquid drawing column; the piston 20 in the pump body is also provided with a blade 30, the inner end and the outer end of the blade 30 are respectively provided with a first blade block 31 and a second blade block 32, the first blade block 31 is lapped above the drawing column steric hindrance 61, and the second blade block 32 is arranged below the air supplement hole 21; a check valve 80 is further arranged below the air return hole 14, and the check valve 80 is a one-way valve for air to enter the bottle body from the airtight chamber 11. The air stopping valve 15 is an elastic air stopping valve, the pressure in the airtight chamber 11 is increased, and the air stopping valve 15 covers the air return hole 14 in a downward pressing mode to seal the air return hole 14; the pressure in the airtight chamber 11 is reduced, and the air check valve 15 bounces off the air return hole 14 to open the air return hole 14. The first blade block seal 31 is an elastic block seal, the pressure in the airtight chamber 11 is increased, the first blade block seal 31 is separated from the drawing column steric hindrance 61 to form a first gas passage between the airtight chamber 11 and the liquid drawing column 60, and the first gas passage is communicated with the top of the liquid drawing column 60. The second blade blocking seal 32 is an elastic blocking seal, the pressure in the airtight chamber 11 is increased, and the second blade blocking seal 32 covers the lower part of the air supplementing hole 21 to seal the air supplementing hole 21; the pressure inside the airtight chamber 11 decreases and the second vane stopper 32 springs away from the gas replenishing hole 21 to form a second gas passage from the outside of the bottle body to the airtight chamber 11. The liquid drawing column 60 is also internally provided with a liquid drawing rod 50, the bottom of the liquid drawing rod 50 is connected with a liquid suction piston 71, and the liquid suction piston 71 communicates the liquid tight chamber 12 with the liquid drawing column 60.
When an external force is applied to the piston 20 in the pump body, the piston 20 in the pump body is pressed downwards, so that the pressure in the airtight chamber 11 is increased, the air stop valve 15 is tightly attached to the air return hole 14 to close the air return hole 14, and the second blade blocking seal 32 is tightly attached to the air supplement hole 21 to close the air supplement hole 21. The gas can only pass through the first gas passage which communicates with the top of the liquid pull column 60, allowing the gas passing through the first gas passage to mix with the liquid passing through the liquid pull column 60.
Since the piston 20 in the cylinder is connected to the liquid drawing column 60, when the piston 20 in the cylinder is pressed down, the liquid drawing column 60 also moves downward, the liquid sucking piston 70 is pushed to move downward, a gap is formed between the liquid pulling rod 50 and the liquid sucking piston 71, and the liquid in the liquid tight chamber 12 is transferred into the liquid drawing column 60 through the gap formed between the liquid pulling rod 50 and the liquid sucking piston 71. The liquid mixes with the gas from the top of the liquid pull column 60.
The peripheral bottom of the liquid drawing column 60 is also provided with a spring seat 70 fixed on the pump body 10, the spring is sleeved on the liquid drawing column 60, the upper end of the spring is connected below the drawing column steric hindrance 61, and the lower end of the spring is connected on the spring seat 70.
When the pressing action is completed, the spring releases tension after being compressed, so that the liquid drawing column 60 is pushed to move upwards, at the moment, a gap between the liquid drawing rod 50 and the liquid suction piston 71 is sealed, liquid in the liquid tight chamber is taken away, the pressure in the liquid tight chamber 12 is reduced, the pressure in the bottle is also reduced, and gas needs to be supplemented into the bottle. The liquid pulling column 60 also moves the piston 20 upward in the pump body in the process of moving upward, and the air pressure in the airtight chamber 11 is reduced, so that the air in the airtight chamber 11 needs to be supplemented.
The state at this time is that the pressure in the airtight chamber 11 and the bottle body is small, and the air needs to be supplemented from the outside of the bottle body, and the second blade block seal 32 is opened, so that the air enters the airtight chamber 11 from the air supplementing hole 21; the first blade block seal 31 is tightly attached to the pull column steric hindrance 61 to seal the first gas channel; the air check valve 15 is separated from the air return hole 14, so that the air return hole 14 is opened. The gas enters the airtight chamber 11 through the gas supplementing hole 21 to supplement the gas in the airtight chamber 11, the gas in the airtight chamber 11 is supplemented into the bottle body through the gas returning hole 14, and the gas supplementation in the airtight chamber 11 and the gas supplementation in the bottle body are completed simultaneously. The process does not need manual intervention, is completely automatically completed through a physical principle, and is smooth in air supplement process, and due to the arrangement of the air return hole 14 and the check valve 80, liquid cannot enter the airtight chamber 11 from the bottle body, so that the service life of the foam pump is prolonged better.
Example 2
As shown in fig. 1 and 2, a liquid blocking valve 92 is disposed at the bottom of the liquid tight chamber 12. The foam forming net 91 is arranged above the liquid drawing column 60, the foam forming net 91 is installed in the press head 90, the piston 20 in the pump body is connected below the press head 90, and air passing through the first gas channel and liquid passing through the liquid drawing column 60 are mixed and then form foam through the foam forming net 91.
The liquid blocking valve 92 can ensure that liquid is always reserved in the liquid-tight chamber 12, the situation that no foam appears when the liquid is pressed is avoided, the press head 90 is connected with the piston in the pump body, the pressing force is applied to the press head 90, namely the pressing force is applied to the piston 20 in the pump body, air passing through the first gas channel and liquid passing through the liquid drawing column 60 are mixed and then pass through the foam forming net 91 to form foam, and finally the foam is sprayed out from the press head 90.
Although the present invention has been described in connection with the above embodiments, the scope of the present invention is not limited thereto, and modifications, replacements, and the like to the above members are all within the scope of the claims of the present invention without departing from the concept of the present invention.
Claims (8)
1. Leak protection liquid foam pump, including installing pump body (10) in the bottle, its characterized in that: the pump body (10) is divided into an airtight chamber (11) and a liquid-tight chamber (12), a pump body step (13) is arranged between the airtight chamber (11) and the liquid-tight chamber (12), an air return hole (14) communicated with the airtight chamber (11) and the interior of the bottle body is arranged on the pump body step (13), and an air stop valve (15) is arranged above the air return hole (14);
the airtight chamber (11) is also internally provided with an inner piston (20) of the pump body, the inner piston (20) of the pump body can move up and down in the airtight chamber (11) to adjust the pressure of the airtight chamber (11), the periphery of the inner piston (20) of the pump body is sealed with the airtight chamber (11), and the inner piston (20) of the pump body is provided with a plurality of air replenishing holes (21) which are communicated with the airtight chamber (11) and the outside of the bottle body;
a liquid drawing column (60) is also arranged in the pump body (10), the liquid drawing column (60) penetrates through the airtight chamber (11) to be communicated with the airtight chamber (12), and the liquid drawing column (60) is provided with a drawing column steric hindrance (61) annularly arranged on the outer wall of the liquid drawing column;
the piston (20) in the pump body is also provided with a blade (30), the inner end and the outer end of the blade (30) are respectively provided with a first blade blocking seal (31) and a second blade blocking seal (32), the first blade blocking seal (31) is lapped above the pull column steric hindrance (61), and the second blade blocking seal (32) is arranged below the air supplement hole (21);
a check valve (80) is further arranged below the air return hole (14), and the check valve (80) is a one-way valve for air to enter the bottle body from the airtight chamber (11).
2. A liquid leakage prevention foam pump as set forth in claim 1, wherein: the air stopping valve (15) is an elastic air stopping valve, the pressure in the airtight chamber (11) is increased, and the air stopping valve (15) covers the air return hole (14) in a downward pressing mode to seal the air return hole (14); the pressure in the airtight chamber (11) is reduced, and the air stopping valve (15) bounces off the air return hole (14) to open the air return hole (14).
3. A liquid leakage prevention foam pump as set forth in claim 2, wherein: the first blade blocking seal (31) is an elastic blocking seal, the pressure in the airtight chamber (11) is increased, the first blade blocking seal (31) is separated from the drawing column steric hindrance (61) to form a first gas channel between the airtight chamber (11) and the liquid drawing column (60), and the first gas channel is communicated with the top of the liquid drawing column (60).
4. A liquid leakage prevention foam pump as set forth in claim 3, wherein: the second blade blocking seal (32) is an elastic blocking seal, the pressure in the airtight chamber (11) is increased, and the second blade blocking seal (32) covers the lower part of the air supplementing hole (21) to seal the air supplementing hole (21); the pressure in the airtight chamber (11) is reduced, and the second blade block seal (32) is bounced away from the air replenishing hole (21) to form a second gas passage from the outside of the bottle body to the airtight chamber (11).
5. An anti-weeping foam pump as defined in claim 4, wherein: the liquid drawing column (60) is also internally provided with a liquid drawing rod (50), the bottom of the liquid drawing rod (50) is connected with a liquid suction piston (71), and the liquid suction piston (71) is used for communicating the liquid sealing chamber (12) with the liquid drawing column (60).
6. An anti-weeping foam pump as defined in claim 5, wherein: the liquid drawing column (60) is characterized in that a spring seat (70) fixed on the pump body (10) is further arranged at the bottom of the periphery of the liquid drawing column (60), the spring is sleeved on the liquid drawing column (60), the upper end of the spring is connected to the lower portion of a drawing column steric hindrance (61), and the lower end of the spring is connected to the spring seat (70).
7. An anti-weeping foam pump as defined in claim 6, wherein: and a liquid blocking valve (92) is arranged at the bottom of the liquid tight chamber (12).
8. An anti-weeping foam pump as defined in claim 7, wherein: the liquid draws post (60) top be provided with foam forming net (91), foam forming net (91) are installed in according to head (90), connect piston (20) in the pump body according to head (90) below, form the foam through foam forming net (91) after the air through first gas passage and the liquid through liquid draw post (60) mix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920806915.XU CN209921955U (en) | 2019-05-31 | 2019-05-31 | Leakage-proof foam pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920806915.XU CN209921955U (en) | 2019-05-31 | 2019-05-31 | Leakage-proof foam pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209921955U true CN209921955U (en) | 2020-01-10 |
Family
ID=69093735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920806915.XU Withdrawn - After Issue CN209921955U (en) | 2019-05-31 | 2019-05-31 | Leakage-proof foam pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209921955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110182459A (en) * | 2019-05-31 | 2019-08-30 | 佛山市长拓包装科技有限公司 | Liquid-leakage preventing foam pump |
-
2019
- 2019-05-31 CN CN201920806915.XU patent/CN209921955U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110182459A (en) * | 2019-05-31 | 2019-08-30 | 佛山市长拓包装科技有限公司 | Liquid-leakage preventing foam pump |
| CN110182459B (en) * | 2019-05-31 | 2024-02-23 | 佛山市长拓包装科技有限公司 | Liquid leakage-proof foam pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200110 Effective date of abandoning: 20240223 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200110 Effective date of abandoning: 20240223 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |