CN216154460U - Vacuum pump - Google Patents
Vacuum pump Download PDFInfo
- Publication number
- CN216154460U CN216154460U CN202121210279.8U CN202121210279U CN216154460U CN 216154460 U CN216154460 U CN 216154460U CN 202121210279 U CN202121210279 U CN 202121210279U CN 216154460 U CN216154460 U CN 216154460U
- Authority
- CN
- China
- Prior art keywords
- liquid outlet
- main column
- side wall
- elastic
- elastic body
- Prior art date
- 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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- 239000007788 liquid Substances 0.000 claims abstract description 86
- 239000000463 material Substances 0.000 claims abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 229920000114 Corrugated plastic Polymers 0.000 description 2
- 239000002537 cosmetic Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1028—Pumps having a pumping chamber with a deformable wall
- B05B11/1035—Pumps having a pumping chamber with a deformable wall the pumping chamber being a bellow
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- Check Valves (AREA)
Abstract
The utility model discloses a vacuum pump, which comprises an upper valve plate, a main column, an auxiliary part and an elastic body, wherein the upper valve plate is arranged on the upper part of the main column; the main column comprises a lower side wall of the main column and a liquid outlet channel in the middle of the main column, and the upper valve plate can seal an outlet of the liquid outlet channel in the middle of the main column in an opening mode; the auxiliary part is positioned on the inner side of the lower side wall of the main column, and a gap is formed between the auxiliary part and the lower side wall of the main column; the inner part of the elastic body is a cavity, and the upper end of the elastic body is embedded in the gap; the longitudinal section of the side wall in the middle of the elastic body is corrugated; the elastic valve is arranged in the lower end of the elastic body, the lower end of the elastic body is connected with the bottle mouth end, and the elastic valve is matched with the bottle mouth. Has the advantages that: the elastic valve, the elastic ribs and the elastic body are integrally formed, and are made of EVA materials, so that a metal spring is omitted, the structure is simple, the number of parts is small, the assembly is simple, the die sinking cost is reduced, the energy consumption is reduced, and the environmental pollution is reduced.
Description
Technical Field
The utility model relates to a liquid outlet device, in particular to a pump.
Background
Most of the existing vacuum pumps for cosmetic containers are external spring pumps, and the pump body has more fittings, generally seven kinds, and the cost of a mold is high. The spring is made of metal material and is easy to turn black and rust in the disinfection process; the piston moves up and down in the body in the using process, so that the piston can move back and forth freely only by applying silicone oil, and part of special cosmetic contents can generate chemical reaction with the silicone oil.
In order to overcome the above problems, people make different transformations on the pump body, wherein the publication number is CN2538718Y, and the name is "vacuum self-priming lotion bottle" chinese utility model patent document discloses the following technical characteristics: the main column, the auxiliary column, the barrel-shaped corrugated plastic spring, the piston, the elastic rubber valve, the plastic spring inner concave surface 501, the guide ring 502 and the through hole 503, although the barrel-shaped corrugated plastic spring can replace the spring made of metal materials, the piston is still needed, the problems cannot be completely solved, the structure is complex, the assembly is troublesome, and the mold opening cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a vacuum pump.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a vacuum pump comprises an upper valve plate, a main column, an auxiliary part and an elastic body;
the main column comprises a lower side wall of the main column and a liquid outlet channel in the middle of the main column, and the upper valve plate can seal an outlet of the liquid outlet channel in the middle of the main column in an opening mode;
the auxiliary part is positioned on the inner side of the lower side wall of the main column, and a gap is formed between the auxiliary part and the lower side wall of the main column;
the inner part of the elastic body is a cavity, and the upper end of the elastic body is embedded in the gap; the longitudinal section of the side wall in the middle of the elastic body is corrugated; the elastic valve is arranged in the lower end of the elastic body, the lower end of the elastic body is connected with the bottle mouth end, and the elastic valve is matched with the bottle mouth.
Further, the air conditioner is provided with a fan,
the elastic valve is connected to the inner side wall of the lower end of the elastic body through the elastic rib, and a containing space for the side wall of the bottle mouth is arranged between the elastic valve and the inner side wall of the lower end of the elastic body.
Further, the air conditioner is provided with a fan,
the elastic rib sequentially comprises an inner radial part connected with the elastic valve, an arc-shaped part and an outer radial part connected with the inner side wall of the lower end of the elastic body from the elastic valve to the inner side wall of the lower end of the elastic body, and the elastic valve, the elastic rib and the elastic body are integrally formed.
Further, the air conditioner is provided with a fan,
the elastic valve, the elastic ribs and the elastic body are made of EVA materials.
Further, the air conditioner is provided with a fan,
the bottom of the liquid outlet channel in the middle of the main column is provided with a plane, and the circumference of the side wall of the liquid outlet channel in the middle of the main column is provided with a plurality of main column liquid outlet holes;
and the lower end of the upper valve plate is provided with a plurality of fins around the circumference of the central axis.
Further, the air conditioner is provided with a fan,
the upper end of the side wall of the auxiliary part is provided with a limiting part positioned at the top end of the elastic body;
or the auxiliary part is an auxiliary column, the auxiliary column is provided with an upper side wall of the auxiliary column and a middle liquid outlet channel of the auxiliary column, the middle liquid outlet channel of the main column is positioned in the middle liquid outlet channel of the auxiliary column, and a gap for embedding the upper end of the elastic main body is formed between the upper side wall of the auxiliary column and the lower side wall of the main column;
the upper end of the upper side wall of the auxiliary column is provided with a limiting part positioned at the top end of the elastic body, and the periphery of the side wall of the liquid outlet channel in the middle of the auxiliary column is provided with a plurality of auxiliary column liquid outlet holes;
the number of the main column liquid outlet holes is one less than that of the auxiliary column liquid outlet holes, the bottom of each main column liquid outlet hole reaches the bottom surface of the main column middle liquid outlet channel, and a concave position is formed at the bottom surface of the main column middle liquid outlet channel corresponding to the main column liquid outlet holes; the bottom of the secondary column liquid outlet hole is higher than that of the main column liquid outlet hole.
Further, the air conditioner is provided with a fan,
the liquid outlet channel in the middle of the main column is in an inverted frustum shape, and the fins are matched with the liquid outlet channel in the middle of the main column and are wide at the top and narrow at the bottom;
and the auxiliary column middle liquid outlet channel is matched with the main column middle liquid outlet channel and is in an inverted frustum shape.
Further, the air conditioner is provided with a fan,
the upper end of the main column is provided with a pump nozzle connecting end;
the upper end of the upper valve block is provided with an upper valve block cavity, and the outer side of the upper end of the upper valve block is connected with a positioning ring matched with the inner side wall of the connecting end of the pump nozzle through a plurality of connecting ribs.
Further, the air conditioner is provided with a fan,
the upper end of the liquid outlet channel in the middle of the main column is provided with a slope, and the upper valve plate is provided with an inclined plane matched with the slope.
Further, the air conditioner is provided with a fan,
the inner side of the lower side wall of the main column is provided with a longitudinal rib;
an annular protrusion is arranged between the middle part and the lower end of the elastic body.
The utility model has the advantages that: the elastic valve, the elastic ribs and the elastic body are integrally formed, and are made of EVA materials, so that a metal spring is omitted, the structure is simple, the number of parts is small, the assembly is simple, the die sinking cost is reduced, the energy consumption is reduced, and the environmental pollution is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 3 is a schematic view of the structure of part A;
FIG. 4 is a schematic structural sectional view of another embodiment;
FIG. 5 is an exploded schematic view of the present invention;
FIG. 6 is a schematic top view of the upper valve body;
FIG. 7 is a schematic bottom view of the upper valve body;
FIG. 8 is an isometric view of the upper valve body;
FIG. 9 is a schematic view of the overall structure of the upper valve body;
FIG. 10 is a top view block diagram of the main column;
FIG. 11 is a bottom view of the main column;
FIG. 12 is a schematic view of the overall structure of the main column;
FIG. 13 is a schematic view of the upper end structure of the main column;
FIG. 14 is a schematic top view of the secondary column;
FIG. 15 is an isometric view of a sub-column;
FIG. 16 is a side view of the sub-column;
FIG. 17 is a schematic view of the elastomer, elastomeric valve, elastomeric rib arrangement as a whole;
fig. 18 is a schematic top view of the structure of the elastic body, the elastic valve and the elastic rib.
Detailed Description
The present invention will be described in detail with reference to the drawings and specific embodiments, which are illustrative of the present invention and are not to be construed as limiting the present invention.
As shown in fig. 1-18, a vacuum pump comprises an upper valve plate 1, a main column 2, an auxiliary member 3, and an elastic body 4;
the main column 2 comprises a main column lower side wall 21 and a main column middle liquid outlet channel 22, and the upper valve plate 1 can seal the outlet of the main column middle liquid outlet channel 22 in an openable manner;
the auxiliary part is positioned on the inner side of the lower side wall 21 of the main column, and a gap is formed between the auxiliary part and the lower side wall;
the inner part of the elastic body 4 is a cavity, and the upper end 41 of the elastic body is embedded in the gap; the longitudinal section of the side wall of the elastic body middle part 46 is corrugated; an elastic valve 42 is arranged in the lower end of the elastic body 4, the lower end of the elastic body 4 is connected with a bottle mouth end 43, and the elastic valve 42 is matched with the bottle mouth.
The elastic valve 42 is connected to the inner side wall of the lower end of the elastic body 4 through an elastic rib 44, and a space for accommodating the side wall of the bottle mouth is provided between the elastic valve 42 and the inner side wall of the lower end of the elastic body 4.
The elastic rib 44 includes an inner radial portion 441 connected to the elastic valve 42, an arc portion 442, and an outer radial portion 443 connected to the inner sidewall of the lower end of the elastic body 4 in sequence from the elastic valve 42 to the inner sidewall of the lower end of the elastic body 4, and the elastic valve 42, the elastic rib 44, and the elastic body 4 are integrally formed.
The elastic valve 42, the elastic rib 44 and the elastic body 4 are made of EVA materials.
The bottom of the main column middle liquid outlet channel 22 is provided with a plane, and the side wall circumference of the main column middle liquid outlet channel 22 is provided with 3 main column liquid outlet holes 23;
the lower end of the upper valve plate 1 is provided with 3 fins 11 around the circumference of the central axis.
As shown in fig. 2, in some embodiments, the auxiliary member 3 is an auxiliary column, the auxiliary column is provided with an upper side wall 32 of the auxiliary column and a middle liquid outlet channel 33 of the auxiliary column, the middle liquid outlet channel 22 of the main column is positioned in the middle liquid outlet channel 33 of the auxiliary column, and a gap for embedding the upper end 41 of the elastic body is formed between the upper side wall 32 of the auxiliary column and the lower side wall 21 of the main column;
the upper end of the upper side wall 32 of the auxiliary column is provided with a limiting part 321 positioned at the top end of the elastic body 4, and the circumference of the side wall of the middle liquid outlet channel 33 of the auxiliary column is provided with 4 auxiliary column liquid outlet holes 34;
the bottom of the main column liquid outlet hole 23 reaches the bottom surface of the main column middle liquid outlet channel 22, and a concave position 27 is formed at the position, corresponding to the main column liquid outlet hole 23, of the bottom surface of the main column middle liquid outlet channel 22; the bottom of secondary column liquid outlet hole 34 is higher than the bottom of main column liquid outlet hole 23.
The main column middle liquid outlet channel 22 is in an inverted frustum shape, and the fins 11 are matched with the main column middle liquid outlet channel 22 and are wide at the top and narrow at the bottom;
the auxiliary column middle liquid outlet channel 33 is matched with the main column middle liquid outlet channel 22 and is in an inverted frustum shape.
The upper end of the main column 2 is provided with a pump nozzle connecting end 24;
an upper valve plate cavity 15 is formed in the upper end of the upper valve plate 1, and a positioning ring 13 matched with the inner side wall of the pump nozzle connecting end 24 is connected to the outer side of the upper end of the upper valve plate 1 through a plurality of connecting ribs 12.
The upper end of the main column middle liquid outlet channel 22 is provided with a slope 25, and the upper valve plate 1 is provided with an inclined surface 14 matched with the slope 25.
The inner side of the lower side wall 21 of the main column is provided with a longitudinal rib 26;
an annular protrusion 45 is provided between the middle and the lower end of the elastic body 4.
The component mounting process comprises the following steps: the auxiliary column 3 is inserted from the upper end of the elastic body 4, the limiting part 321 of the auxiliary column 3 is positioned at the top end of the elastic body 4, the main column 2 is installed on the auxiliary column 3, the main column middle liquid outlet channel 22 is positioned in the auxiliary column middle liquid outlet channel 33, the main column liquid outlet hole 23 and the auxiliary column liquid outlet hole 34 are partially overlapped and communicated, and the main column lower side wall 21, the auxiliary column upper side wall 32 and the limiting part 321 jointly fix and support the sealing elastic body upper end 41. The lower end of the elastic body is connected with the bottle mouth end 43 and is connected with the outside of the bottle mouth in an interference fit mode, and the elastic valve 42 seals the bottle mouth.
It will be appreciated by those skilled in the art from the disclosure of the present specification and the general knowledge in the art that the pump nozzle can be connected to the pump nozzle connection end 24 at the upper end of the main column 2 by means of a snap-fit or screw-fit connection.
When the vacuum pump is not pressed, the upper end of the liquid outlet channel 22 in the middle of the main column is temporarily sealed by the upper valve plate 1 on the main column 2; when the elastic body type liquid pump is used, the middle part of the elastic body 4 is compressed by pressing the pump nozzle, the bottle mouth is sealed by the elastic valve 42 of the elastic body, so that the content in the cavity of the elastic body 4 moves upwards under the state of pressure difference, enters the liquid outlet channel 22 in the middle part of the main column from the auxiliary column liquid outlet hole 34 and the main column liquid outlet hole 23, pushes the upper valve plate 1 open, and is extruded for use through the holes in the pump nozzle, and the liquid outlet quantity of the content is limited to avoid exceeding the set quantity because the design of the main column liquid outlet hole 23 and the auxiliary column liquid outlet hole 34 can play a role in backflushing; when the hand is released, the elastic body 4 rebounds upwards, the main column 2 and the auxiliary column 3 move upwards, the elastic valve 42 at the lower end of the elastic body 4 is opened due to pressure difference, and the content in the bottle enters the cavity of the elastic body 4 again, so that the circulation is realized.
In other embodiments, as shown in fig. 4, the upper end of the sidewall of the auxiliary member 3 is provided with a limiting portion 321 at the top end of the elastic body 4.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.
Claims (10)
1. A vacuum pump, characterized by:
comprises an upper valve plate, a main column, an auxiliary part and an elastic body;
the main column comprises a lower side wall of the main column and a liquid outlet channel in the middle of the main column, and the upper valve plate can seal an outlet of the liquid outlet channel in the middle of the main column in an opening mode;
the auxiliary part is positioned on the inner side of the lower side wall of the main column, and a gap is formed between the auxiliary part and the lower side wall of the main column;
the inner part of the elastic body is a cavity, and the upper end of the elastic body is embedded in the gap; the longitudinal section of the side wall in the middle of the elastic body is corrugated; the elastic valve is arranged in the lower end of the elastic body, the lower end of the elastic body is connected with the bottle mouth end, and the elastic valve is matched with the bottle mouth.
2. A vacuum pump according to claim 1, wherein:
the elastic valve is connected to the inner side wall of the lower end of the elastic body through the elastic rib, and a containing space for the side wall of the bottle mouth is arranged between the elastic valve and the inner side wall of the lower end of the elastic body.
3. A vacuum pump according to claim 2, wherein:
the elastic rib sequentially comprises an inner radial part connected with the elastic valve, an arc-shaped part and an outer radial part connected with the inner side wall of the lower end of the elastic body from the elastic valve to the inner side wall of the lower end of the elastic body, and the elastic valve, the elastic rib and the elastic body are integrally formed.
4. A vacuum pump according to claim 3, wherein:
the elastic valve, the elastic ribs and the elastic body are made of EVA materials.
5. A vacuum pump according to claim 1, wherein:
the bottom of the liquid outlet channel in the middle of the main column is provided with a plane, and the circumference of the side wall of the liquid outlet channel in the middle of the main column is provided with a plurality of main column liquid outlet holes;
and the lower end of the upper valve plate is provided with a plurality of fins around the circumference of the central axis.
6. A vacuum pump according to claim 5, wherein:
the upper end of the side wall of the auxiliary part is provided with a limiting part positioned at the top end of the elastic body;
or the auxiliary part is an auxiliary column, the auxiliary column is provided with an upper side wall of the auxiliary column and a middle liquid outlet channel of the auxiliary column, the middle liquid outlet channel of the main column is positioned in the middle liquid outlet channel of the auxiliary column, and a gap for embedding the upper end of the elastic main body is formed between the upper side wall of the auxiliary column and the lower side wall of the main column;
the upper end of the upper side wall of the auxiliary column is provided with a limiting part positioned at the top end of the elastic body, and the periphery of the side wall of the liquid outlet channel in the middle of the auxiliary column is provided with a plurality of auxiliary column liquid outlet holes;
the number of the main column liquid outlet holes is one less than that of the auxiliary column liquid outlet holes, the bottom of each main column liquid outlet hole reaches the bottom surface of the main column middle liquid outlet channel, and a concave position is formed at the bottom surface of the main column middle liquid outlet channel corresponding to the main column liquid outlet holes; the bottom of the secondary column liquid outlet hole is higher than that of the main column liquid outlet hole.
7. A vacuum pump according to claim 6, wherein:
the liquid outlet channel in the middle of the main column is in an inverted frustum shape, and the fins are matched with the liquid outlet channel in the middle of the main column and are wide at the top and narrow at the bottom;
and the auxiliary column middle liquid outlet channel is matched with the main column middle liquid outlet channel and is in an inverted frustum shape.
8. A vacuum pump according to claim 7, wherein:
the upper end of the main column is provided with a pump nozzle connecting end;
the upper end of the upper valve block is provided with an upper valve block cavity, and the outer side of the upper end of the upper valve block is connected with a positioning ring matched with the inner side wall of the connecting end of the pump nozzle through a plurality of connecting ribs.
9. A vacuum pump according to claim 8, wherein:
the upper end of the liquid outlet channel in the middle of the main column is provided with a slope, and the upper valve plate is provided with an inclined plane matched with the slope.
10. A vacuum pump according to claim 1, wherein:
the inner side of the lower side wall of the main column is provided with a longitudinal rib;
an annular protrusion is arranged between the middle part and the lower end of the elastic body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121210279.8U CN216154460U (en) | 2021-06-01 | 2021-06-01 | Vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121210279.8U CN216154460U (en) | 2021-06-01 | 2021-06-01 | Vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216154460U true CN216154460U (en) | 2022-04-01 |
Family
ID=80835387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121210279.8U Active CN216154460U (en) | 2021-06-01 | 2021-06-01 | Vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216154460U (en) |
-
2021
- 2021-06-01 CN CN202121210279.8U patent/CN216154460U/en active Active
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