CN103939318A - Direct-current air pump used for automobile seat - Google Patents
Direct-current air pump used for automobile seat Download PDFInfo
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- CN103939318A CN103939318A CN201310017268.1A CN201310017268A CN103939318A CN 103939318 A CN103939318 A CN 103939318A CN 201310017268 A CN201310017268 A CN 201310017268A CN 103939318 A CN103939318 A CN 103939318A
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- direct current
- air pump
- current air
- barrier film
- pump
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Abstract
The invention discloses a direct-current air pump used for an automobile seat. The direct-current air pump comprises a direct-current motor, a pump body and short screws, wherein the pump body comprises an eccentric wheel, a driving shaft, a pump base, a sliding bearing, a driving body, a support, a diaphragm, a valve, a base plate, a top cover, long screws and gaskets. The direct-current air pump is characterized in that the direct-current motor and the pump body are in the coaxial direction, a cylindrical hollow cavity is formed in the center of the upper surface of the diaphragm, the diaphragm comprises a thin-wall cavity, a cylindrical base of the cavity and a supporting column, and the supporting column of the diaphragm is provided with a ball. The direct-current air pump used for the automobile seat is simple and reasonable in structure, low in noise and high in working efficiency.
Description
Technical field
The present invention relates to a kind of automotive seat direct current air pump, belong to air pump technical field, be specifically 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 future automobile industry product, the comfort property of exploitation automotive seat product is extremely important in the personalized designs of vehicle, is also a part for support vehicles Safety performance.
But existing automotive seat air pump, its motor and pump housing angle in 90 °, minicar seat air pump as disclosed in Chinese patent 200720106447.2, electric machine main shaft end connects the eccentric wheel arranging and coordinates with the transmission of kinematic link rear end, kinematic link and motor output shaft angle in 90 °, the connection of kinematic link front end arranges piston ring, the cylinder sleeve front end of the pump housing connects the air cylinder front cover that cylinder back cover is set and is sealed and matched with it, the exhaust valve plate being sealed and matched is set in cylinder back cover, exhaust valve plate coordinates with spring, when working, air pump rotated by driven by motor eccentric wheel, during eccentric wheel rotation, drive kinematic link reciprocating, kinematic link drives piston ring to slide before and after inboard wall of cylinder liner, when kinematic link moves forward, piston ring overcomes air and surface friction drag moves to relief opening direction, it is large that the volume of air-inlet cavity becomes, the suction port air inlet that is opened, outlet valve is closed simultaneously, when kinematic link moves backward, piston ring overcomes pressurized air and surface friction drag oppositely moves to relief opening, and air-inlet cavity volume diminishes, and suction port is closed, and in cylinder, air is compressed simultaneously, and outlet valve is opened, and pressurized air is discharged by relief opening.This air pump structure is complicated, to-and-fro motion by piston ring realizes air inlet and exhaust, piston ring and inboard wall of cylinder liner surface friction drag are large, cause its operating noise large, had a strong impact on thus the comfort level of automobile, and electric machine main shaft often rotates a circle, air pump can only complete an air inlet and exhaust work cycle, operation cycle length consuming time, working efficiency is lower, can not meet the needs of existing automobile industry development.
Summary of the invention
In view of the above-mentioned problems in the prior art, the object of the present invention is to provide a kind of simple and reasonablely, noise is lower, the automotive seat that working efficiency is higher direct current air pump.
Realizing technological scheme of the present invention is: 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 described direct current generator and the pump housing are in coaxial direction, in the upper surface of described barrier film, be provided with in the heart cylinder hollow cavity, described barrier film comprises thin walled cavity, cavity cylindrical seat and supporting post, is provided with a spheroid on the supporting post of described barrier film.
On described substrate, be provided with an exhaust port, be respectively arranged with a suction port and top cap central bore on described top cover, described exhaust port stretches out described top cap central bore.
Described barrier film comprises that the spheroid on thin walled cavity, cavity cylindrical seat, supporting post, cylinder hollow cavity and the supporting post on barrier film is to be integral by rubber injection mold.
The output shaft of described direct current generator is fixedly connected with eccentric wheel, and described eccentric wheel is fixedly 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 fixedly 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 fixedly 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 successively axial restraint.
Described valve is formed by rubber injection mold.
The active chamber being comprised of thin walled cavity, cavity cylindrical seat and supporting post on described barrier film can be set to several, and the present invention is preferably set to 4.
The invention has the beneficial effects as follows:
(1) because direct current generator and the pump housing are arranged on same direction, by adopting thin walled cavity, cavity cylindrical seat and supporting post on 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, air pump structure is simplified greatly, manufacturing efficiency improves greatly, and has reduced cost of production.
(2) by the reciprocating mode of operation of piston ring in existing air pump is changed into by thin walled cavity volume-variation and carries out work, reduced the friction of piston ring and inboard wall of cylinder liner in air pump work, thereby reduced consequent noise, greatly improved the comfort level of Integral automobile.
(3) by the reciprocating mode of operation of existing piston ring being changed into the potential difference up and down of barrier film supporting post, vibrate, motor output shaft is often revolved to the air pump that turns around and complete an air inlet and exhaust work cycle, change each thin walled cavity that output shaft often revolves the air pump barrier film that turns around into and complete separately an air inlet and exhaust running, overall operation four times, has improved working efficiency greatly.
Therefore, the present invention is a kind of simple and reasonable, and cost of production is lower, and noise is less, the automotive seat that working efficiency is higher direct current air pump.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Fig. 1 is exterior contour schematic diagram of the present invention.
Fig. 2 is explosive decomposition figure of the present invention.
Fig. 3 be top cover direction of the present invention to view.
Fig. 4 is the A-A sectional view of Fig. 3.
Fig. 5 is the shaft side figure after barrier film of the present invention amplifies.
Fig. 6 be after barrier film of the present invention amplifies 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 present invention.
1. direct current generators in 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 covers, 14. long spiro nails, 15. packing rings, 16. output shafts, 17. suction ports, 18. exhaust ports, 19. top cap central bore, 101. thin walled cavities, 102. cavity cylindrical seat, 103. supporting posts, 104. cylinder hollow cavitys, 105. spheroids.
Embodiment
Referring to Fig. 1, Fig. 2, automotive seat of the present invention 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), and 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 fixedly connected with eccentric wheel (4), described eccentric wheel (4) is fixedly 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 fixedly 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 fixedly 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, by rubber injection mold, is formed.
As shown in Figure 3 and Figure 4, be provided with an exhaust port (18) on described substrate (12), be respectively arranged with a suction port (17) and top cap central bore (19) on described top cover (13), described exhaust port (18) stretches out described top cap central bore (19).
As shown in Figure 5-Figure 7, in the upper surface of described barrier film (10), be provided with in the heart cylinder hollow cavity (104), described barrier film (10) comprises thin walled cavity (101), cavity cylindrical seat (102) and supporting post (103), on the supporting post (103) of described barrier film (10), is provided with a spheroid (105).Described barrier film (10) comprises that the spheroid (105) on thin walled cavity (101), cavity cylindrical seat (102), supporting post (103), cylinder hollow cavity (104) and the supporting post (103) on barrier film (10) is to be integral by rubber injection mold.
The upper active chamber being comprised of thin walled cavity (101), cavity cylindrical seat (102) and supporting post (103) of described barrier film (10) can be set to several, and the present invention is preferably set to 4.
And working principle exhaust process air-breathing to the present invention below in conjunction with Fig. 8 is illustrated, direct current generator (1) energising is turned round by output shaft (16) later, band movable eccentric wheel (4) rotation, be arranged on live axle (5) on eccentric wheel (4) along with running, like this, live axle (5) just can allow driving body (8) do rotating disk motion, supporting post (103) on barrier film (10) will be done on above-below direction the potential difference vibrations of 90 °, and continual the moving back and forth of thin walled cavity (101) on 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, by suction port (17) air amount in thin walled cavity (101); When supporting post (103) moves 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 compressed in thin walled cavity (101) is discharged by exhaust port (18).
The output shaft (16) of direct current generator (1) often rotates a circle, be arranged on live axle (5) on eccentric wheel (4) just can allow driving body (8) drive four supporting posts (103) on barrier film (10) each operates once up and down, four thin walled cavities (101) on barrier film (10) also just respectively complete once air-breathing and exhaust running so, and integral body completes 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: described direct current generator (1) and the pump housing (2) are in coaxial direction, in the upper surface of described barrier film (10), be provided with in the heart cylinder hollow cavity (104), described barrier film (10) comprises thin walled cavity (101), cavity cylindrical seat (102) and supporting post (103), on the supporting post (103) of described barrier film (10), be provided with a spheroid (105).
2. automotive seat according to claim 1 direct current air pump, it is characterized in that: on described substrate (12), be provided with an exhaust port (18), on described top cover (13), be respectively arranged with a suction port (17) and top cap central bore (19), described exhaust port (18) stretches out described top cap central bore (19).
3. automotive seat according to claim 1 direct current air pump, is characterized in that: described barrier film (10) comprises that the spheroid (105) on thin walled cavity (101), cavity cylindrical seat (102), supporting post (103), cylinder hollow cavity (104) and the supporting post (103) on barrier film (10) is to be integral by rubber injection mold.
4. automotive seat according to claim 1 direct current air pump, it is characterized in that: the output shaft (16) of described direct current generator (1) is fixedly connected with eccentric wheel (4), described eccentric wheel (4) is fixedly 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. automotive seat according to claim 1 direct current air pump, is characterized in that: described pump seat (6) is fixedly connected with direct current generator (1) by short screw (3).
6. automotive seat according to claim 1 direct current air pump, 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 fixedly connected with the center hole of described driving body (8).
7. automotive seat according to claim 1 direct current air pump, it is characterized in that: described support (9) is connected with described barrier film (10), 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. automotive seat according to claim 1 direct current air pump, is characterized in that: described valve (11) is formed by rubber injection mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310017268.1A CN103939318A (en) | 2013-01-17 | 2013-01-17 | Direct-current air pump used for automobile seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310017268.1A CN103939318A (en) | 2013-01-17 | 2013-01-17 | Direct-current air pump used for automobile seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103939318A true CN103939318A (en) | 2014-07-23 |
Family
ID=51187150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310017268.1A Pending CN103939318A (en) | 2013-01-17 | 2013-01-17 | Direct-current air pump used for automobile seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103939318A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106212364A (en) * | 2016-09-14 | 2016-12-14 | 中国长江三峡集团公司中华鲟研究所 | The culturing pool oxygenate apparatus that recirculated water drives |
| CN112610457A (en) * | 2020-12-28 | 2021-04-06 | 佛山市顺德区键合电子有限公司 | Multi-cylinder diaphragm type direct current compressor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2174150A (en) * | 1985-04-26 | 1986-10-29 | Japan Crystal Ind | Air pump |
| DE29919931U1 (en) * | 1999-11-03 | 2000-02-03 | Meiko Pet Corporation, Taichung | Sound insulation structure for an air pump |
| CN2675900Y (en) * | 2004-01-12 | 2005-02-02 | 泓记精密股份有限公司 | Combined structure improved inflating pump |
| CN2791300Y (en) * | 2005-06-01 | 2006-06-28 | 曾瑞春 | Small air-inflating device |
| CN201013570Y (en) * | 2007-02-27 | 2008-01-30 | 陈俊平 | Mini-size direct current air pump |
| CN201321964Y (en) * | 2008-12-17 | 2009-10-07 | 宁波九鼎菲力嘉电器科技有限公司 | Miniature water and air pump |
| CN201771732U (en) * | 2010-09-17 | 2011-03-23 | 厦门坤锦电子科技有限公司 | Tetrad diaphragm air pump |
| CN203098224U (en) * | 2013-01-17 | 2013-07-31 | 常州雷利电机科技有限公司 | Direct-current air pump for automobile seat |
-
2013
- 2013-01-17 CN CN201310017268.1A patent/CN103939318A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2174150A (en) * | 1985-04-26 | 1986-10-29 | Japan Crystal Ind | Air pump |
| DE29919931U1 (en) * | 1999-11-03 | 2000-02-03 | Meiko Pet Corporation, Taichung | Sound insulation structure for an air pump |
| CN2675900Y (en) * | 2004-01-12 | 2005-02-02 | 泓记精密股份有限公司 | Combined structure improved inflating pump |
| CN2791300Y (en) * | 2005-06-01 | 2006-06-28 | 曾瑞春 | Small air-inflating device |
| CN201013570Y (en) * | 2007-02-27 | 2008-01-30 | 陈俊平 | Mini-size direct current air pump |
| CN201321964Y (en) * | 2008-12-17 | 2009-10-07 | 宁波九鼎菲力嘉电器科技有限公司 | Miniature water and air pump |
| CN201771732U (en) * | 2010-09-17 | 2011-03-23 | 厦门坤锦电子科技有限公司 | Tetrad diaphragm air pump |
| CN203098224U (en) * | 2013-01-17 | 2013-07-31 | 常州雷利电机科技有限公司 | Direct-current air pump for automobile seat |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106212364A (en) * | 2016-09-14 | 2016-12-14 | 中国长江三峡集团公司中华鲟研究所 | The culturing pool oxygenate apparatus that recirculated water drives |
| CN106212364B (en) * | 2016-09-14 | 2022-02-08 | 中国长江三峡集团公司中华鲟研究所 | Circulating water driven culture pond oxygen charging device |
| CN112610457A (en) * | 2020-12-28 | 2021-04-06 | 佛山市顺德区键合电子有限公司 | Multi-cylinder diaphragm type direct current compressor |
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Application publication date: 20140723 |