CN203098224U - Direct-current air pump for automobile seat - Google Patents
Direct-current air pump for automobile seat Download PDFInfo
- Publication number
- CN203098224U CN203098224U CN 201320024623 CN201320024623U CN203098224U CN 203098224 U CN203098224 U CN 203098224U CN 201320024623 CN201320024623 CN 201320024623 CN 201320024623 U CN201320024623 U CN 201320024623U CN 203098224 U CN203098224 U CN 203098224U
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- Prior art keywords
- direct current
- air pump
- current air
- barrier film
- cavity
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Abstract
The utility model discloses a direct-current air pump for an automobile seat. The direct-current air pump for the automobile seat comprises a direct-current motor, a pump body and a short screw. The pump body comprises an eccentric wheel, a drive shaft, a pump base, a sliding bearing, a drive body, a support, a membrane, a valve, a base plate, a top cover, a long screw and a gasket, and is characterized in that the direct-current motor and the pump body are in the coaxial direction, the center of the upper surface of the membrane is provided with a hollow column cavity, the membrane comprises a thin-wall cavity, a cavity column base and a supporting column, and a sphere is arranged on the supporting column of the membrane. The direct-current air pump for the automobile seat is simple and reasonable in structure, low in noise, and high in working efficiency.
Description
Technical field
The utility model relates to a kind of automotive seat direct current air pump, belongs to the air pump technical field, specifically is applied to auto industry field.
Background technique
Automotive industry is the key industry of mechanical industry, and China has classified automotive industry as the pillar industry of economic development, the development of the automobile industry of making greater efforts to promote.In the development of following automobile industry product, the comfort property of exploitation automotive seat product is extremely important in the personalized designs of vehicle, also is the part of support vehicles Safety performance.
But existing automobile seat air pump, its motor becomes 90 ° of angles with the pump housing, as Chinese patent 200720106447.2 disclosed minicar seat air pumps, the electric machine main shaft end connects the eccentric wheel that is provided with and cooperates with the transmission of kinematic link rear end, kinematic link becomes 90 ° of angles with motor output shaft, the connection of kinematic link front end is provided with piston ring, the cylinder sleeve front end of the pump housing connects the cylinder protecgulum that cylinder back cover is set and is sealed and matched with it, the exhaust valve plate that is sealed and matched is set in the cylinder back cover, exhaust valve plate cooperates with spring, when working, air pump rotates by the driven by motor eccentric wheel, it is reciprocating to drive kinematic link during the eccentric wheel rotation, kinematic link drives piston ring and slides before and after inboard wall of cylinder liner, when kinematic link moved forward, piston ring overcomes air and surface friction drag moves to the relief opening direction, and it is big that the volume of air-inlet cavity becomes, the suction port air inlet that is opened, outlet valve is closed simultaneously; When kinematic link was mobile backward, piston ring overcomes pressurized air and surface friction drag oppositely moves to relief opening, and the air-inlet cavity volume diminishes, and suction port is closed, and air is compressed in the cylinder simultaneously, and outlet valve is opened, and pressurized air is discharged by relief opening.This air pump complex structure, to-and-fro motion by piston ring realizes air inlet and exhaust, piston ring and inboard wall of cylinder liner surface friction drag are big, cause its operating noise big, had a strong impact on the comfort level of automobile thus, and electric machine main shaft rotates a circle whenever, air pump can only be finished an air inlet and exhaust work cycle, operation cycle length consuming time, working efficiency is lower, can not satisfy the needs of existing automobile industry development.
The model utility content
In view of the above-mentioned problems in the prior art, it is a kind of simple and reasonable that the purpose of this utility model is to provide, and noise is lower, the higher automotive seat of working efficiency direct current air pump.
The realization the technical solution of the utility model is: a kind of automotive seat direct current air pump, comprise direct current generator, the pump housing and short screw, the described pump housing comprises eccentric wheel, live axle, pump seat, sliding bearing, driving body, support, barrier film, valve, substrate, top cover, long spiro nail and packing ring, it is characterized in that the described direct current generator and the pump housing are in coaxial direction, be provided with the cylinder hollow cavity in the upper surface of described barrier film in the heart, described barrier film comprises thin walled cavity, cavity cylindrical seat and supporting post, and the supporting post of described barrier film is provided with a spheroid.
Described substrate is provided with an exhaust port, is respectively arranged with a suction port and top cap central bore on the described top cover, and described exhaust port stretches out described top cap central bore.
Spheroid on thin walled cavity on the described barrier film, cavity cylindrical seat, supporting post, cylinder hollow cavity and the supporting post is by the rubber injection mold all-in-one-piece.
The output shaft of described direct current generator is fixedlyed connected with eccentric wheel, and described eccentric wheel is fixedlyed connected with live axle, and described live axle is at described eccentric center edge place, and described live axle becomes skewed at axial direction.
Described pump seat is fixedlyed connected with direct current generator by short screw.
Described sliding bearing endoporus and described live axle Spielpassung, the outer round surface of described sliding bearing is fixedlyed connected with the center hole of described driving body.
Described support is connected with described barrier film, and described top cover, substrate, support and described pump seat are to be linked together by long spiro nail and packing ring axial restraint successively.
Described valve is formed by rubber injection mold.
The active chamber of being made up of thin walled cavity, cavity cylindrical seat and supporting post on the described barrier film can be set to several, and the utility model preferably is set to 4.
The beneficial effects of the utility model are: (1) is because the direct current generator and the pump housing are arranged on same direction, by adopting thin walled cavity, cavity cylindrical seat and supporting post on the barrier film as exhaust and air-breathing main execution part, the component in the to-and-fro motion such as piston ring, piston protecgulum have been saved, the air pump structure is simplified greatly, manufacturing efficiency improves greatly, and has reduced cost of production.
(2) by being changed into by the thin walled cavity volume-variation, the reciprocating mode of operation of piston ring in the existing air pump carries out work, reduced the friction of piston ring and inboard wall of cylinder liner in the air pump work, thereby reduced consequent noise, improved the comfort level of automobile integral body greatly.
(3) by having the vibration of potential difference up and down that the reciprocating mode of operation of piston ring changes the barrier film supporting post into now, motor output shaft is whenever revolved the air pump that turns around finish an air inlet and exhaust work cycle, change each thin walled cavity that output shaft whenever revolves the air pump barrier film that turns around into and finish an air inlet and exhaust running separately, overall operation four times has improved working efficiency greatly.
Therefore, the utility model is a kind of simple and reasonable, and cost of production is lower, and noise is less, the higher automotive seat of working efficiency direct current air pump.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is an exterior contour schematic representation of the present utility model.
Fig. 2 is explosive decomposition figure of the present utility model.
Fig. 3 be the utility model top cover direction to view.
Fig. 4 is the A-A sectional view of Fig. 3.
Fig. 5 is the axonometric drawing of the utility model barrier film after amplifying.
Fig. 6 for the utility model barrier film after amplifying to view.
Fig. 7 is the B-B sectional view of Fig. 6.
Fig. 8 is the fundamental diagram of the air-breathing and exhaust process of the utility model.
1. direct current generators among the figure, the 2. pump housing, 3. short screw, 4. eccentric wheel, 5. live axle, 6. pump seat, 7. sliding bearing, 8. driving body, 9. support, 10. barrier film, 11. valves, 12. substrates, 13. top cover, 14. long spiro nails, 15. packing rings, 16. output shafts, 17. suction port, 18. exhaust ports, 19. top cap central bore, 101. thin walled cavities, 102. the cavity cylindrical seat, 103. supporting posts, 104. cylinder hollow cavitys, 105. spheroids.
Embodiment
Referring to Fig. 1, Fig. 2, a kind of automotive seat direct current air pump of the present utility model, comprise direct current generator (1), the pump housing (2) and short screw (3), the described pump housing (2) comprises eccentric wheel (4), live axle (5), pump seat (6), sliding bearing (7), driving body (8), support (9), barrier film (10), valve (11), substrate (12), top cover (13), long spiro nail (14) and packing ring (15), and the described direct current generator (1) and the pump housing (2) are in coaxial direction.
As shown in Figure 4, the output shaft (16) of described direct current generator (1) is fixedlyed connected with eccentric wheel (4), described eccentric wheel (4) is fixedlyed connected with live axle (5), described live axle (5) is at the center edge place of described eccentric wheel (4), and described live axle (5) becomes skewed at axial direction.
Described pump seat (6) is fixedlyed connected with direct current generator (1) by short screw (3).Described sliding bearing (7) endoporus and described live axle (5) Spielpassung, the outer round surface of described sliding bearing (7) is fixedlyed connected with the center hole of described driving body (8).
Described support (9) is connected with described barrier film (10), and described top cover (13), substrate (12), support (9) and described pump seat (6) are to be fixed together vertically successively by long spiro nail (14) and packing ring (15).Described valve (11) becomes mushroom, is formed by rubber injection mold.
As shown in Figure 3 and Figure 4, described substrate (12) is provided with an exhaust port (18), is respectively arranged with a suction port (17) and top cap central bore (19) on the described top cover (13), and described exhaust port (18) stretches out described top cap central bore (19).
As Fig. 5-shown in Figure 7, be provided with cylinder hollow cavity (104) in the upper surface of described barrier film (10) in the heart, described barrier film (10) comprises thin walled cavity (101), cavity cylindrical seat (102) and supporting post (103), and the supporting post (103) of described barrier film (10) is provided with a spheroid (105).Spheroid (105) on thin walled cavity (101) on the described barrier film (10), cavity cylindrical seat (102), supporting post (103), cylinder hollow cavity (104) and the supporting post (103) is by the rubber injection mold all-in-one-piece.
Described barrier film (10) is gone up the active chamber of being made up of thin walled cavity (101), cavity cylindrical seat (102) and supporting post (103) can be set to several, and the utility model preferably is set to 4.
And working principle exhaust process air-breathing to the utility model below in conjunction with Fig. 8 is illustrated, direct current generator (1) energising is turned round by output shaft (16) later, drive eccentric wheel (4) rotation, be installed in live axle (5) on the eccentric wheel (4) along with running, like this, live axle (5) just can allow driving body (8) do the rotating disk motion, supporting post (103) on the barrier film (10) will be done on the above-below direction 90 ° potential difference vibrations, and continual the moving back and forth of the thin walled cavity (101) on the barrier film (10) changes thin walled cavity (101) internal volume generating period.When supporting post (103) moves downward the increase of thin walled cavity (101) volume, cavity internal pressure reduces, cylinder hollow cavity (104) closure, valve (11) can be opened on the contrary, sucks air in thin walled cavity (101) by suction port (17); When supporting post (103) when moving up; thin walled cavity (101) internal volume reduces, cavity internal pressure increases, and cylinder hollow cavity (104) is opened; valve (11) can be closed on the contrary, and the air after being compressed in the thin walled cavity (101) is discharged by exhaust port (18).
The output shaft (16) of direct current generator (1) whenever rotates a circle, be installed in live axle (5) on the eccentric wheel (4) just can allow driving body (8) drive on the barrier film (10) four supporting posts (103) each running is once up and down, four thin walled cavities (101) on the barrier film (10) are also just respectively finished once air-breathing and exhaust running so, and integral body is finished four air-breathing and exhaust runnings.
Claims (8)
1. automotive seat direct current air pump, comprise direct current generator (1), the pump housing (2) and short screw (3), the described pump housing (2) comprises eccentric wheel (4), live axle (5), pump seat (6), sliding bearing (7), driving body (8), support (9), barrier film (10), valve (11), substrate (12), top cover (13), long spiro nail (14) and packing ring (15), it is characterized in that: the described direct current generator (1) and the pump housing (2) are in coaxial direction, be provided with cylinder hollow cavity (104) in the upper surface of described barrier film (10) in the heart, described barrier film (10) comprises thin walled cavity (101), cavity cylindrical seat (102) and supporting post (103), the supporting post (103) of described barrier film (10) is provided with a spheroid (105).
2. a kind of automotive seat direct current air pump according to claim 1, it is characterized in that: described substrate (12) is provided with an exhaust port (18), be respectively arranged with a suction port (17) and top cap central bore (19) on the described top cover (13), described exhaust port (18) stretches out described top cap central bore (19).
3. a kind of automotive seat direct current air pump according to claim 1 is characterized in that: the spheroid (105) on the thin walled cavity (101) on the described barrier film (10), cavity cylindrical seat (102), supporting post (103), cylinder hollow cavity (104) and the supporting post (103) is to be integral by rubber injection mold.
4. a kind of automotive seat direct current air pump according to claim 1, it is characterized in that: the output shaft (16) of described direct current generator (1) is fixedlyed connected with eccentric wheel (4), described eccentric wheel (4) is fixedlyed connected with live axle (5), described live axle (5) is at the center edge place of described eccentric wheel (4), and described live axle (5) becomes skewed at axial direction.
5. a kind of automotive seat direct current air pump according to claim 1 is characterized in that: described pump seat (6) is fixedlyed connected with direct current generator (1) by short screw (3).
6. a kind of automotive seat direct current air pump according to claim 1, it is characterized in that: described sliding bearing (7) endoporus and described live axle (5) Spielpassung, the outer round surface of described sliding bearing (7) is fixedlyed connected with the center hole of described driving body (8).
7. a kind of automotive seat direct current air pump according to claim 1, it is characterized in that: described support (9) is connected with described barrier film (10), and described top cover (13), substrate (12), support (9) and described pump seat (6) are to be fixed together vertically successively by long spiro nail (14) and packing ring (15).
8. a kind of automotive seat direct current air pump according to claim 1 is characterized in that: described valve (11) is formed by rubber injection mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320024623 CN203098224U (en) | 2013-01-17 | 2013-01-17 | Direct-current air pump for automobile seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320024623 CN203098224U (en) | 2013-01-17 | 2013-01-17 | Direct-current air pump for automobile seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203098224U true CN203098224U (en) | 2013-07-31 |
Family
ID=48849631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320024623 Expired - Fee Related CN203098224U (en) | 2013-01-17 | 2013-01-17 | Direct-current air pump for automobile seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203098224U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939318A (en) * | 2013-01-17 | 2014-07-23 | 常州雷利电机科技有限公司 | Direct-current air pump used for automobile seat |
| CN107120260A (en) * | 2014-08-13 | 2017-09-01 | 耐斯特恩公司 | The off-axis formula driver of inclination for quiet pneumatic pumping |
-
2013
- 2013-01-17 CN CN 201320024623 patent/CN203098224U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939318A (en) * | 2013-01-17 | 2014-07-23 | 常州雷利电机科技有限公司 | Direct-current air pump used for automobile seat |
| CN107120260A (en) * | 2014-08-13 | 2017-09-01 | 耐斯特恩公司 | The off-axis formula driver of inclination for quiet pneumatic pumping |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20220117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |