CN215292791U - Negative pressure air pump device - Google Patents
Negative pressure air pump device Download PDFInfo
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- CN215292791U CN215292791U CN202120602962.XU CN202120602962U CN215292791U CN 215292791 U CN215292791 U CN 215292791U CN 202120602962 U CN202120602962 U CN 202120602962U CN 215292791 U CN215292791 U CN 215292791U
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- air pump
- negative pressure
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- piston
- pump piston
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Abstract
The utility model relates to the technical field of air pump devices, in particular to a negative pressure air pump device, which comprises an air pump shell, a motor module arranged on the air pump shell and a transmission module arranged in the air pump shell and connected with the motor module; the motor module comprises a motor piece and a connecting piece arranged on the motor piece; the transmission module comprises a negative pressure component, a piston component connected with the input end of the negative pressure component, and a top cover component connected with the output end of the negative pressure component; the piston assembly comprises an air pump piston core, a motor eccentric part arranged on the motor part and a bearing sleeved on the motor eccentric part and positioned in the air pump piston core. The utility model provides a traditional air pump simple structure, the function singleness extracts the inefficiency scheduling problem.
Description
Technical Field
The utility model relates to an air pump device technical field especially relates to a negative pressure air pump device.
Background
The miniature air pump is a gas conveying device which has small volume and gaseous working medium and is mainly used for multiple purposes such as gas sampling, gas circulation, vacuum adsorption, vacuum pressure maintaining, air exhaust, air inflation, pressurization and the like. The micro air pump is divided into the following parts according to the purposes: a micro negative pressure pump, a micro vacuum pump, a micro gas circulating pump, a micro gas sampling pump, a micro inflating pump, a micro air suction and inflating dual-purpose pump and the like; according to the working principle, the method comprises the following steps: there are diaphragm type, electromagnetic type, impeller type, piston type, and the like. The miniature air pump is mainly a miniature vacuum pump, which is widely applied to the industries of general medical health, scientific research, laboratories, environmental protection, instruments, chemical engineering, robots and the like.
However, the traditional air pump has the advantages of simple structure, single function and low extraction efficiency, and can not well meet the requirements of users.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a negative pressure air pump device, which is reasonable in structural design, compact in structure, high in pumping efficiency, and widely applicable to the fields of medical instruments and the like, in order to solve the problems of the conventional technology.
A negative pressure air pump device comprises an air pump shell, a motor module and a transmission module, wherein the motor module is arranged on the air pump shell, and the transmission module is arranged in the air pump shell and connected with the motor module; the motor module comprises a motor piece and a connecting piece arranged on the motor piece; the transmission module comprises a negative pressure component, a piston component connected with the input end of the negative pressure component, and a top cover component connected with the output end of the negative pressure component; the piston assembly comprises an air pump piston core, a motor eccentric part arranged on the motor part and a bearing sleeved on the motor eccentric part and positioned in the air pump piston core.
In one embodiment, the device further comprises a damping module; the damping module is installed on a damping pad at the bottom of the air pump shell.
In one embodiment, the number of the shock absorbing pads is four.
In one embodiment, the negative pressure assembly comprises an air pump piston sleeve, an air pump piston arranged in the air pump piston sleeve and connected with the air pump piston core, and an air pump piston cover arranged on the air pump piston and located in the air pump piston sleeve.
In one embodiment, a negative pressure generating cavity is formed in the air pump piston sleeve; the air pump piston is positioned in the negative pressure generating cavity.
In one embodiment, the negative pressure comprises a set screw; the fixing screw is arranged on the air pump piston sleeve; the number of the fixing screws is four.
In one embodiment, the top cover assembly comprises an air pump top cover arranged on the air pump piston sleeve, and an air pump sealing air cushion and a sealing ring arranged on the air pump piston sleeve.
In one embodiment, the number of the air pump sealing cushions is two.
In one embodiment, the gas pump further comprises a first gas pump body plug; the first air pump body plug is arranged on the top surface of the air pump shell.
In one embodiment, the gas pump further comprises a second gas pump plug; the second air pump body plug is arranged on one side of the air pump shell.
The utility model has the advantages as follows:
the negative pressure air pump device arranged in the utility model has reasonable structural design, compact structure and high extraction efficiency, can be widely applied to the fields of medical instruments and the like, and particularly comprises an air pump shell, the air pump shell is arranged for connecting, installing and using the whole structure and plays a certain protection role, a motor module is arranged in the air pump shell and is used for providing negative pressure, the extraction effect is good, a transmission module and the motor module are mutually matched to further provide power, so as to conveniently provide different negative pressures and simultaneously extract larger flow, the transmission module comprises a negative pressure component, a piston component and a top cover component, the piston component is arranged at the input end of the negative pressure component, the top cover component is arranged at the output end of the negative pressure component, an air pump piston core, a motor eccentric part and an air pump piston sleeve are mutually matched with the motor part to provide negative pressure, so as to provide larger negative pressure and increase the extracted flow when in use, the whole structure is reasonable in design and strong in practicability.
Drawings
Fig. 1 is a schematic perspective view of a negative pressure air pump device according to the present invention;
FIG. 2 is a schematic perspective view of the negative pressure air pump device of FIG. 1 from another perspective;
fig. 3 is an exploded perspective view of the negative pressure air pump device of fig. 1.
Description of reference numerals: the air pump comprises an air pump shell 10, a transmission module 20, a piston assembly 21, an air pump piston core 21a, a motor eccentric part 21b, a bearing 21c, a negative pressure assembly 22, an air pump piston sleeve 22a, an air pump piston 22b, an air pump piston cover 22c, a top cover assembly 23, an air pump top cover 23a, an air pump air sealing pad 23b, a sealing ring 23c, a motor module 30, a motor part 31, a connecting sheet 32, a first air pump body plug 40, a second air pump body plug 41, a damping module 50 and a damping pad 51.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully below. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 to 3, a negative pressure air pump device according to an embodiment of the present invention has a reasonable structural design, a compact structure, and a high pumping efficiency, and can be widely applied to the fields of medical devices and the like.
In this embodiment, the negative pressure air pump device includes an air pump housing 10, a motor module 30 mounted on the air pump housing 10, and a transmission module 20 mounted in the air pump housing 10 and connected to the motor module 30; the transmission module 20 and the motor module 30 cooperate with each other to provide power, so as to provide different negative pressures and extract larger flow.
The transmission module 20 comprises a negative pressure component 22, a piston component 21 connected with the input end of the negative pressure component 22, and a top cover component 23 connected with the output end of the negative pressure component 22; in this embodiment, the negative pressure assembly 22 and the piston assembly 21 cooperate with each other to provide power, so that the pumping effect is good.
The piston assembly 21 includes an air pump piston core 21a, a motor eccentric member 21b mounted on the motor member 31, and a bearing 21c sleeved on the motor eccentric member 21b and located in the air pump piston core 21 a.
The negative pressure assembly 22 comprises an air pump piston sleeve 22a, an air pump piston 22b which is arranged in the air pump piston sleeve 22a and connected with the air pump piston core 21a, and an air pump piston cover 22c which is arranged on the air pump piston 22b and positioned in the air pump piston sleeve 22 a.
A negative pressure generating cavity is arranged in the air pump piston sleeve 22 a; the air pump piston 22b is located in the negative pressure generating chamber.
The top cover assembly 23 comprises an air pump top cover 23a arranged on the air pump piston sleeve 22a, an air pump sealing air cushion 23b arranged on the air pump piston sleeve 22a and a sealing ring 23 c; in this embodiment, the air pump air sealing pads 23b and the sealing rings 23c simultaneously play a certain sealing role, the sealing effect is good, and the number of the air pump air sealing pads 23b is two.
The negative pressure assembly 22 includes a set screw; the fixing screw is arranged on the air pump piston 22b and the sleeve 22 a; the number of the fixing screws is four, so that the fixing effect is good.
The motor module 30 comprises a motor piece 31 and a connecting piece 32 arranged on the motor piece 31; in this embodiment, the motor module 30 is installed in the air pump housing 10 for providing negative pressure, and the pumping effect is good.
The negative pressure air pump device of the utility model also comprises a first air pump body plug 40; the first air pump body plug 40 is arranged on the top surface of the air pump shell 10; in this embodiment, the number of the first air pump plugs 40 is two.
The negative pressure air pump device of the utility model also comprises a second air pump body plug 41; the second pump body plug 41 is mounted on the side of the air pump housing 10.
The negative pressure air pump device of the utility model also comprises a damping module 50; the damping module 50 is arranged on a damping pad 51 at the bottom of the air pump shell 10; the quantity of shock pad 51 is four groups, and the shock attenuation is effectual.
The utility model discloses a negative pressure air pump device's structural design is reasonable, compact structure, it is efficient to extract, can extensively use in fields such as medical instrument, specifically include air pump housing 10, set up air pump housing 10 and be used for overall structure's connection installation use, and play certain guard action, motor module 30 is installed in air pump housing 10 and is used for providing the negative pressure, it is effectual to extract, transmission module 20 and motor module 30 cooperate each other further to provide power, conveniently provide different negative pressures, also can extract bigger flow simultaneously, transmission module 20 includes negative pressure subassembly 22, piston subassembly 21, and top cap subassembly 23, piston subassembly 21 is installed at the input of negative pressure subassembly 22, top cap subassembly 23 is installed at the output of negative pressure subassembly 22, air pump piston core 21a, motor eccentric member 21b and air pump piston sleeve 22a cooperate each other with motor member 31 to provide the negative pressure, can provide bigger negative pressure, can increase the flow of extraction when using, overall structure reasonable in design, the practicality is strong.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A negative pressure air pump device is characterized by comprising an air pump shell, a motor module and a transmission module, wherein the motor module is arranged on the air pump shell, and the transmission module is arranged in the air pump shell and connected with the motor module; the motor module comprises a motor piece and a connecting piece arranged on the motor piece; the transmission module comprises a negative pressure component, a piston component connected with the input end of the negative pressure component, and a top cover component connected with the output end of the negative pressure component; the piston assembly comprises an air pump piston core, a motor eccentric part arranged on the motor part and a bearing sleeved on the motor eccentric part and positioned in the air pump piston core.
2. The negative pressure air pump device according to claim 1, further comprising a shock-absorbing module; the damping module is installed on a damping pad at the bottom of the air pump shell.
3. The negative pressure air pump device according to claim 2, wherein the number of the shock-absorbing pads is four.
4. The negative pressure air pump device according to claim 1, wherein the negative pressure assembly comprises an air pump piston sleeve, an air pump piston mounted in the air pump piston sleeve and connected to the air pump piston core, and an air pump piston cover mounted on the air pump piston and located in the air pump piston sleeve.
5. The negative pressure air pump device according to claim 4, wherein the air pump piston sleeve is provided with a negative pressure generating cavity therein; the air pump piston is positioned in the negative pressure generating cavity.
6. The negative pressure air pump device of claim 4, wherein the negative pressure comprises a set screw; the fixing screw is arranged on the air pump piston sleeve; the number of the fixing screws is four.
7. The negative pressure air pump device according to claim 4, wherein the top cover assembly comprises an air pump top cover mounted on the air pump piston sleeve, and an air pump sealing air cushion and a sealing ring mounted on the air pump piston sleeve.
8. The negative pressure air pump device according to claim 7, wherein the number of the air pump air sealing cushions is two.
9. The negative pressure air pump device of claim 1, further comprising a first air pump body plug; the first air pump body plug is arranged on the top surface of the air pump shell.
10. The negative pressure air pump device according to claim 1, further comprising a second air pump body plug; the second air pump body plug is arranged on one side of the air pump shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120602962.XU CN215292791U (en) | 2021-03-24 | 2021-03-24 | Negative pressure air pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120602962.XU CN215292791U (en) | 2021-03-24 | 2021-03-24 | Negative pressure air pump device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215292791U true CN215292791U (en) | 2021-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120602962.XU Expired - Fee Related CN215292791U (en) | 2021-03-24 | 2021-03-24 | Negative pressure air pump device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215292791U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114563132A (en) * | 2022-02-09 | 2022-05-31 | 熊钦龙 | Device for detecting leakproofness of building material waterproof pipe |
-
2021
- 2021-03-24 CN CN202120602962.XU patent/CN215292791U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114563132A (en) * | 2022-02-09 | 2022-05-31 | 熊钦龙 | Device for detecting leakproofness of building material waterproof pipe |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |