CN222267512U - Push-type injection pump and container - Google Patents
Push-type injection pump and container Download PDFInfo
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- CN222267512U CN222267512U CN202323257864.5U CN202323257864U CN222267512U CN 222267512 U CN222267512 U CN 222267512U CN 202323257864 U CN202323257864 U CN 202323257864U CN 222267512 U CN222267512 U CN 222267512U
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- piston
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- pump body
- push
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- 238000002347 injection Methods 0.000 title description 2
- 239000007924 injection Substances 0.000 title description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000007788 liquid Substances 0.000 claims abstract description 48
- 230000009466 transformation Effects 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 239000007921 spray Substances 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000003825 pressing Methods 0.000 abstract description 7
- 230000002265 prevention Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 229940127554 medical product Drugs 0.000 description 1
- -1 medical products Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Reciprocating Pumps (AREA)
Abstract
The utility model discloses a push-type jet pump and a container, which comprise a pump body, a piston, a pressure head and an elastic resetting piece, wherein the piston moves relative to the pump body so as to pump liquid into the pump body and then spray the liquid through a nozzle, a water storage bin is formed between one end of the piston and the pump body in a relative manner, a pressure transformation bin is formed between the other end of the piston and the pressure head in a relative manner, the water storage bin is communicated with the pressure transformation bin through a first water outlet channel, the nozzle is communicated with the pressure transformation bin through a second water outlet channel, the piston moves relative to the pump body so as to press the liquid in the water storage bin into the pressure transformation bin, and a pre-sealing structure for the pressure transformation bin is formed at the joint of the piston and the pressure head. According to the utility model, through the wedge-in type sealing design characteristics of the piston and the inside of the pressing head, the liquid seepage prevention effect is achieved, the pressing type jet pump avoids the liquid seepage process, liquid is directly sprayed with better performance, and the use experience of the pressing type jet pump is greatly optimized.
Description
Technical Field
The utility model relates to the technical field of manual pumps, in particular to a push type jet pump and a container.
Background
The push type spray pump is generally mounted on a container for spraying various kinds of liquids stored in the container, such as perfumes, medical products, cosmetics, cleaning products and the like. In general, a push jet pump is a device in which the discharge of liquid occurs only when the liquid is subjected to a certain minimum pressure in a sump, in such a way that the discharge at a higher pressure is ensured, and the liquid exhibits a better spray.
In the prior art, various push-type injection pumps with various structural forms, such as application number 2022109772488, can effectively realize the anti-seepage effect, but the whole compression pump consists of up to 15 accessories, and the structure is very complex.
Therefore, how to design a push-type jet pump and a container with simplified structure and improved spraying effect is a technical problem to be solved in the industry.
Disclosure of utility model
In order to solve the defects in the prior art, the utility model provides the push type jet pump with a simplified structure and liquid seepage prevention and the container with the pump, and the liquid seepage prevention effect is achieved only when the liquid reaches a certain pressure by improving the pre-pressure before liquid jet.
The utility model adopts the technical scheme that the push-type jet pump is designed and used for ejecting liquid from a nozzle after being extracted in a push mode and comprises a pump body, a piston moving relative to the pump body, a pressure head pushing the piston, and an elastic reset piece supported between the piston and the pump body, wherein the piston moves relative to the pump body so as to pump the liquid into the pump body and then is ejected through the nozzle, a water storage bin is formed between one end of the piston and the pump body relatively, a pressure transformation bin is formed between the other end of the piston and the pressure head relatively, the water storage bin is communicated with the pressure transformation bin through a first water outlet channel, the nozzle is communicated with the pressure transformation bin through a second water outlet channel, the piston moves relative to the pump body so as to press the liquid in the water storage bin into the pressure transformation bin, a pre-sealing structure for the pressure transformation bin is formed at the joint of the piston and the pressure head, and when the liquid pressure in the pressure transformation bin rises to a certain value, the pre-sealing structure between the piston and the pressure head can be opened, and the second water outlet channel is enabled to be communicated.
In certain embodiments, the pressure swing cartridge includes an annular groove on the pressure head, the piston end has a flange insertable into the annular groove, the annular groove has a tapered sidewall, and the end flange of the piston is formed against the tapered sidewall of the annular groove to form a pre-seal to the pressure swing cartridge.
In some embodiments, a circlip is provided on the ram around the piston, and a wedge-shaped protrusion is provided on the piston that presses against the circlip.
In certain embodiments, the ram is in sliding engagement with the pump body.
In some embodiments, the pressure head end is slidably sleeved on the pump body, and the pressure head end and the pump body end are provided with limiting protrusions for limiting separation of the pressure head end and the pump body end.
In certain embodiments, the resilient return member is a cylindrical spring.
In some embodiments, the pump body comprises a pump cavity positioned in the water storage bin, the piston comprises an inner column positioned in the water storage bin, one end of the pump cavity is provided with a sealing line in sliding sealing fit with the inner column, the other end of the pump cavity is communicated with a water inlet channel, a first end of the inner column is positioned in the pump cavity, and a second end of the inner column is provided with an exhaust adjusting position, and when the exhaust adjusting position corresponds to the sealing line, the pump cavity is communicated with the water storage bin.
In some embodiments, the second end of the inner column has a vent slot, and the pump chamber communicates with the sump after the vent slot corresponds to the seal line.
And the container comprises the push type jet pump.
In some embodiments, the pump body has a bayonet for connecting to the container opening.
Compared with the prior art, the utility model has the following beneficial effects:
According to the utility model, through the wedge-in type sealing design characteristics of the piston and the inside of the pressing head, the liquid seepage prevention effect is achieved, the pressing type jet pump avoids the liquid seepage process, liquid is directly sprayed with better performance, and the use experience of the pressing type jet pump is greatly optimized.
Drawings
The present utility model will now be described in detail with reference to specific embodiments and drawings, which are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the utility model. The drawings illustrate generally, by way of example and not limitation, embodiments discussed herein. Wherein:
fig. 1 is a schematic view of a push jet pump.
Fig. 2 is a schematic view of the push jet pump after the ram is depressed.
Fig. 3 is a schematic view of the head of the push jet pump being lifted upward.
Fig. 4 is a schematic view of the push jet pump mounted on the container.
Detailed Description
The following are specific examples of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these examples, and the following embodiments do not limit the utility models according to the claims. Furthermore, all combinations of features described in the embodiments are not necessarily essential to the inventive solution.
The principles and structures of the present utility model are described in detail below with reference to the drawings and the examples.
Example 1
As shown in fig. 1, a push-type jet pump according to the present utility model is suitable for being mounted on a container for storing liquid, and is used for pumping the liquid by push and then ejecting the liquid from a nozzle.
The jet pump comprises a pump body, a piston moving relative to the pump body, a pressure head pushing the piston, and an elastic reset piece supported between the piston and the pump body, wherein the elastic reset piece is a cylindrical spring, the piston moves relative to the pump body so as to pump liquid into the pump body and then is sprayed out through a nozzle, a water storage bin is formed between one end of the piston and the pump body in an opposite mode, a pressure transformation bin is formed between the other end of the piston and the pressure head in an opposite mode, the water storage bin is communicated with the pressure transformation bin through a first water outlet channel, the nozzle is communicated with the pressure transformation bin through a second water outlet channel, the piston moves relative to the pump body so as to press the liquid in the water storage bin into the pressure transformation bin, and particularly, as shown in fig. 1, the piston 3 is arranged at the end part of the pump body 5, and a pressure head assembly is arranged at the top of the piston 3. A water storage bin 10 is arranged between the piston 3 and the pump body 5, a first water outlet channel 9 is arranged in the piston 3, a pressure transformation bin 8 is arranged between the piston 3 and the pressure head 2, the first water outlet channel 9 is communicated with the water storage bin 10 and the pressure transformation bin 8, a second water outlet channel 7 is arranged in the pressure head, and liquid in the water storage bin 10 can enter the pressure transformation bin 8 and then be sprayed out of the nozzle 1 through the second water outlet channel 7.
The pump body is including being located the pump chamber in the water storage bin, the piston is including being located the internal column in the water storage bin, pump chamber one end have with internal column sliding seal complex seal line, seal the line promptly to the round arch in the pump chamber, pump chamber other end intercommunication water inlet channel, the first end of internal column is located the pump chamber, the second end of internal column is provided with the exhaust regulation position, thereby the exhaust regulation position is a recess or bead when this part removes to seal the line department thereby makes to produce the gap between line and the piston and makes, the pump chamber with water storage bin intercommunication. The second end of the inner column is provided with an air vent groove, and after the air vent groove corresponds to the water sealing line, the pump cavity is communicated with the water storage bin.
As shown in fig. 1, the push-type jet pump is in a natural state, at this time, the pressure head assembly is pushed, the pressure head assembly drives the piston 3 to move downwards against the pre-pressure of the spring 4, at this time, as the lower sealing surface 14 of the piston 3 forms a seal with the inner wall 19 of the pump body 5, the inner column 18 of the piston 3 forms a seal with the sealing line 17 at the end part of the water inlet channel 21 of the pump body 5, the upper sealing position 11 of the piston 3 forms a seal with the taper 15 of the pressure head 2, the water storage bin 10, the first water outlet channel 9 and the pressure transformation bin 8 are communicated closed spaces, and as the pressure head assembly moves downwards with the piston 3, the volume of the closed space becomes smaller, and the air of the closed space is compressed.
When the ram assembly moves down to the set position as shown in fig. 2, at this time, since the exhaust adjustment position 13 at the root of the inner column 18 of the piston 3 is in contact with the seal line 17 at the end of the water inlet channel 21 of the pump body 5, compressed air enters the container through the water inlet channel 21 from the exhaust adjustment position 13.
As shown in fig. 3, the pressure head assembly is released, the piston 3 drives the pressure head assembly to move upwards under the action of the pre-pressure of the spring 4, at this time, the exhaust adjusting position 13 in the piston 3 is separated from the sealing water line 17 of the pump body 5, the communicating space is recovered to be airtight, vacuum is formed in the airtight space due to the enlarged space, when the piston moves upwards to the position in a natural state, the inner column 18 of the piston 3 is separated from the sealing water line 17 of the pump body 5, the ventilation groove 22 enables the pump cavity to be communicated with the water storage bin, the end part of the piston is thinner, the inner column is separated from the sealing water line, namely, a gap exists between the inner column and the sealing water line, so that liquid can pass through, the liquid in the container enters the water storage bin 10 under the action of the vacuum force in the communicating space, and after the circulation for a plurality of times, the space in the water storage bin is filled with the liquid.
The piston and the pressure head are combined to form a pre-sealing structure of the pressure transformation bin, and when the liquid pressure in the pressure transformation bin is increased to a certain value, the pre-sealing structure between the piston and the pressure head can be opened, so that the second water outlet channel is conducted.
In particular, the embodiment adopts that the pressure transformation bin comprises an annular groove positioned on the pressure head, the end part of the piston is provided with a flange which can be inserted into the annular groove, the flange is an upper sealing position 11, the annular groove is provided with a conical side wall which is a taper position 15 of the pressure head 2, and the flange of the end part of the piston is propped against the conical side wall of the annular groove to form a pre-sealing structure for the pressure transformation bin
The piston 3 is supported by the elasticity of the spring 4, the upper sealing position 11 is wedged between the taper 15 in the pressure head 2 and the cylinder 16 to be closed, the pressure head assembly is pressed under the condition that the water storage bin is full of liquid, the pressure in the liquid can provide downward pressure for the piston 3, when the pressure exceeds the sum of the pre-pressure of the spring 4 and the wedging friction force of the piston 3 wedged in the pressure head 2, the piston 3 moves downwards relative to the pressure head 2, the upper sealing position 11 is separated from the taper position 15 of the pressure head 2, at the moment, the middle sealing position of the piston 3 is kept sealed with the inner wall 20 of the pressure head, and the liquid with pressure passes through the second water outlet channel 7 to be sprayed by the nozzle 1.
The traditional push type jet pump has the advantages that the spraying effect is required to be achieved, when the liquid in the water storage bin reaches the specific minimum pressure, the liquid starts to be sprayed outwards, but at the moment, the sprayed liquid is linear or sprayed in a seepage mode due to the fact that the pressure is small, the liquid can be sprayed better only when the pressure is larger, the spraying effect is greatly dependent on the pressing force of a user, and the use experience is poor.
The push type jet pump provided by the utility model can effectively avoid the problem of liquid seepage, and has the working principle that in order to ensure that the downward pressure borne by the piston 3 in the pressure changing bin 8 reaches a specific minimum pressure, namely the sum of the pre-pressure of the spring 4 and the wedge friction force of the piston 3 in the external conical shape and the internal cylindrical characteristic of the wedge-in press head 2, the press head component needs to provide a larger pressure, so that the liquid can not be sprayed when the pressure is smaller, and the piston 3 can rapidly open a larger channel due to the inertia of the larger release force when the pressure is larger, the push type jet pump avoids the liquid seepage process, the liquid is sprayed directly in a better expression, and the use experience of the push type jet pump is greatly optimized.
The elastic check ring surrounding the piston is arranged on the pressure head, the wedge-shaped bulge 12 for propping the elastic check ring is arranged on the piston, so that the pressure head provides certain upward resistance to the piston through the elastic check ring, the elastic check ring is a part of the pressure head, elastic force is provided through material integrated forming by utilizing the deformation capability of the material, and the material is generally plastic, so that the pressure head has better elastic force.
The pressure head is connected with the pump body in a sliding fit manner, the end part of the pressure head is sleeved on the pump body in a sliding manner, and the end part of the pressure head and the end part of the pump body are provided with limiting protrusions for limiting the pressure head and the end part of the pump body to be separated from each other, namely the bottom of the pressure head is sleeved on the outer side of the upper end of the pump body in a sliding manner.
As shown in fig. 4, the pump body is provided with a bayonet for connecting with the opening of the container 30, so that the bottom of the pump body is connected with the opening of the container 30 in a buckling manner.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (10)
1. The push type jet pump is used for pumping liquid and then spraying the liquid out of the nozzle in a push type, and comprises a pump body, a piston moving relative to the pump body, a pressure head pushing the piston, and an elastic reset piece supported between the piston and the pump body, wherein the piston moves relative to the pump body so as to pump the liquid into the pump body and then spray the liquid out of the nozzle,
A water storage bin is formed between one end of the piston and the pump body in a relative manner, and a pressure transformation bin is formed between the other end of the piston and the pressure head in a relative manner;
The water storage bin is communicated with the pressure transformation bin through a first water outlet channel, and the nozzle is communicated with the pressure transformation bin through a second water outlet channel;
The piston moves relative to the pump body so as to press the liquid in the water storage bin into the pressure transformation bin;
The piston and the pressure head are combined to form a pre-sealing structure of the pressure transformation bin, and when the liquid pressure in the pressure transformation bin is increased to a certain value, the pre-sealing structure between the piston and the pressure head can be opened, so that the second water outlet channel is conducted.
2. The push jet pump of claim 1 wherein the pressure changing cartridge includes an annular groove on the pressure head, the piston end having a flange insertable into the annular groove, the annular groove having a tapered sidewall, the end flange of the piston being formed against the tapered sidewall of the annular groove to form a pre-seal with the pressure changing cartridge.
3. The push jet pump of claim 1 wherein a circlip is provided on the ram surrounding the piston, and a wedge shaped protrusion is provided on the piston that pushes against the circlip.
4. The push-type jet pump of claim 1 wherein the ram is in sliding engagement with the pump body.
5. The push-type jet pump of claim 4 wherein the ram end is slidably sleeved on the pump body, the ram end and the pump body end being provided with a limit projection that limits the disengagement of the ram end and the pump body end.
6. The push jet pump of claim 1 wherein the resilient return member is a cylindrical spring.
7. The push-type jet pump of claim 1, wherein the pump body comprises a pump cavity positioned in the water storage bin, the piston comprises an inner column positioned in the water storage bin, one end of the pump cavity is provided with a water sealing line in sliding sealing fit with the inner column, the other end of the pump cavity is communicated with a water inlet channel, a first end of the inner column is positioned in the pump cavity, a second end of the inner column is provided with an exhaust adjusting position, and when the exhaust adjusting position corresponds to the water sealing line, the pump cavity is communicated with the water storage bin.
8. The push jet pump of claim 7 wherein the second end of the inner post has a vent slot, the pump chamber communicating with the sump after the vent slot corresponds to the seal line.
9. Container, characterized by comprising a push jet pump according to any of claims 1 to 8.
10. The container of claim 9, wherein the pump body has a bayonet thereon for connecting to the container opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323257864.5U CN222267512U (en) | 2023-11-30 | 2023-11-30 | Push-type injection pump and container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323257864.5U CN222267512U (en) | 2023-11-30 | 2023-11-30 | Push-type injection pump and container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222267512U true CN222267512U (en) | 2024-12-31 |
Family
ID=93956506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323257864.5U Active CN222267512U (en) | 2023-11-30 | 2023-11-30 | Push-type injection pump and container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222267512U (en) |
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2023
- 2023-11-30 CN CN202323257864.5U patent/CN222267512U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |