CN204458282U - Micro-suction pump - Google Patents
Micro-suction pump Download PDFInfo
- Publication number
- CN204458282U CN204458282U CN201420838234.9U CN201420838234U CN204458282U CN 204458282 U CN204458282 U CN 204458282U CN 201420838234 U CN201420838234 U CN 201420838234U CN 204458282 U CN204458282 U CN 204458282U
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- flexible partition
- micro
- motor
- suction pump
- projection
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Abstract
The utility model relates to a kind of micro-suction pump, comprises housing, motor and air pump assembly; Air pump assembly and motor are one in front and one in back horizontally disposed with in housing; The output shaft corresponding air pump assembly setting forward of motor; Air pump assembly comprises enclosing cover, flexible partition and dividing plate from top to bottom successively: the upper end of flexible partition connects the output shaft of electric rotating machine by an eccentric structure, to form the to-and-fro motion of flexible partition at vertical direction, the lower end sealing of flexible partition is arranged on the top of dividing plate to form an air chamber; Dividing plate is also offered an air outlet hole and an inlet hole, air outlet hole is provided with outgassing nonreturn valve, and inlet hole is provided with breather check valve, and air outlet hole is communicated with the space outerpace of object to be bled, and inlet hole is communicated with the inner space of object to be bled.The utility model realizes the structure of micro-suction pump by the combination of motor and diaphragm pump, and structure is simple, volume is little, noise is low, energy consumption is low, compares lower vacuum values high at same power pump.
Description
Technical field
The utility model relates to a kind of extraction pump, is specifically related to a kind of micro-suction pump, and this miniature suction pump is mainly used in refrigerator and vacuumizes fresh-keeping.
Background technique
Existing extraction pump, usually adopts eccentric wheel to realize the air extracting function of pump with the combination of piston-cylinder, because its complex structure, cost are high, therefore very difficult such extraction pump is condensed into hypomegetic structure.In addition, the large noise of the vibrations due to piston is high, and this kind of extraction pump also exists the shortcomings such as noise is large, power consumption is high, and especially when extraction pump is applied in the field such as household electrical appliances, medical apparatus, the noise of generation brings very large harmful effect can to the life of people.
Therefore, how simplifying pump structure of bleeding, reduce noise, reduce power consumption, is the problem that the utility model need solve.
Summary of the invention
The utility model provides a kind of micro-suction pump, its objective is in order to the power consumption simplifying pump structure of bleeding, reduce the volume of extraction pump, weaken the noise of extraction pump, reduce extraction pump.
For achieving the above object, the technical solution of the utility model is: a kind of micro-suction pump, comprises housing, motor and air pump assembly; Described air pump assembly and motor are one in front and one in back horizontally disposed with in housing; The output shaft corresponding described air pump assembly setting forward of described motor; Described air pump assembly comprises enclosing cover, flexible partition and dividing plate from top to bottom successively:
The upper end of described flexible partition connects the output shaft of described electric rotating machine by an eccentric structure, to form the to-and-fro motion of described flexible partition at vertical direction, the lower end sealing of described flexible partition is arranged on the top of described dividing plate to form an air chamber;
Described dividing plate is also offered an air outlet hole and an inlet hole, air outlet hole is provided with outgassing nonreturn valve, and inlet hole is provided with breather check valve, in working order, described air outlet hole is communicated with the space outerpace of object to be bled, and described inlet hole is communicated with the inner space of object to be bled.
The related content of technique scheme changes and is explained as follows:
1, in such scheme, described outgassing nonreturn valve comprises the first shell fragment and one first projection of a flexibility; Described first shell fragment can cover described air outlet hole completely; The top of described first projection connects the center of described first shell fragment; In working order, institute goes out the first projection and is located in described air outlet hole, and described first shell fragment is positioned at outside air chamber; The end of described first projection is also provided with a limit structure, comes off in air outlet hole for preventing described outgassing nonreturn valve.
2, in such scheme, described breather check valve comprises the second shell fragment and one second projection of a flexibility; Described second shell fragment can cover described inlet hole completely; The top of described second projection connects the center of described second shell fragment; In working order, described second projection is located in described inlet hole) in, and described second shell fragment is positioned at inside air chamber; The end of described second projection is also provided with a limit structure, comes off in inlet hole for preventing described breather check valve.
3, in such scheme, described outgassing nonreturn valve and breather check valve are rubber one way valve.
4, in such scheme, described flexible partition is diaphragm of rubber.
5, in such scheme, between described enclosing cover and described flexible partition, be also provided with a trim ring, flexible partition be pressed in air chamber outer rim.
6, in such scheme, described eccentric structure comprises a connecting rod, and one end of described connecting rod is parallel with the output shaft of motor and be fixedly connected with, and the other end connects described flexible partition by a barrier film arm.
7, in such scheme, described eccentric structure comprises a cam, and one end of this cam is fixedly connected with the output shaft of described motor, and the other end connects described flexible partition by a barrier film arm, to form the to-and-fro motion of described flexible partition at vertical direction.
The utility model principle, design and effect are as follows: micro-suction pump is combined by motor and air pump assembly.Motor is electric rotating machine, the output shaft of motor connects a barrier film arm by an eccentric structure, the direction of barrier film arm is perpendicular to the direction of motor output shaft, barrier film arm is fixedly connected with a flexible partition again, flexible membrane gland is arranged on dividing plate to form a sealed gas chamber, dividing plate offers air outlet and suction port, be provided with breather check valve for suction port, be provided with outgassing nonreturn valve for air outlet; The inlet hole of described air chamber is communicated with space to be bled, and described air outlet hole is communicated with space outerpace to be bled;
In working order, electric motor starting, the noise of motor is little, motor output shaft rotates and drives eccentric structure to move in a circle around the center of motor output shaft, and the outer rim of flexible partition is fixed on by air chamber sealing on housing, and eccentric structure drives flexible partition to rotate again, the Tension and Compression forcing flexible partition to do up and down reciprocatingly moves, open breather check valve when flexible partition stretches to bleed, open outgassing nonreturn valve exhaust during compression, realize bleeding and being vented motion of micro-suction pump.
The utility model realizes the structure of micro-suction pump by the combination of motor and flexible diaphragm pump, and its structure is simple, volume is little, noise is low, energy consumption is low, compares lower vacuum values high at same power pump.
Accompanying drawing explanation
Accompanying drawing 1 is the stereo decomposing structural representation of the utility model micro-suction pump;
Accompanying drawing 2 is the exhaust flow path schematic diagram of bleeding of the utility model micro-suction pump;
Accompanying drawing 3 is the structural representation of the utility model micro-suction pump embodiment;
Accompanying drawing 4 changes structural representation for the utility model micro-suction pump embodiment.
In above accompanying drawing: 1, housing; 2, motor; 20, output shaft; 3, connecting rod; 30, cam; 4, flexible partition; 40, barrier film arm; 5, dividing plate; 6, air outlet hole; 7, inlet hole; 8, outgassing nonreturn valve; 9, breather check valve; 10, enclosing cover; 11, trim ring; 12, screw.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment: a kind of micro-suction pump
As shown in Figures 1 and 2, a kind of micro-suction pump, comprises housing 1, motor 2 and air pump assembly.Described air pump assembly and motor 2 are one in front and one in back horizontally disposed with in housing 1.The output shaft 20 corresponding air pump assembly setting forward of motor 2, described air pump assembly comprises enclosing cover 10, flexible partition 4 and dividing plate 5 from top to bottom successively.
Enclosing cover 10 covers on flexible partition 4 and dividing plate 5, and fixed by screw 12, the upper end of flexible partition 4 connects the output shaft 20 of motor 2 by an eccentric structure, eccentric structure moves in a circle along with the output shaft 20 of motor 2, drive flexible partition 4 to move reciprocatingly at vertical direction, the lower end of flexible partition 4 is sealed on described dividing plate 5 to form an air chamber.
Shown in accompanying drawing 3, described eccentric structure comprises a connecting rod 3, and one end of this connecting rod 3 is parallel and be fixedly connected with the output shaft 20 of motor 2, and the other end is located in the through hole of barrier film arm 40 upper end being fixedly connected with described flexible partition 4.
Wherein, described dividing plate 5 is also offered air outlet hole 6 and an inlet hole 7, air outlet hole 6 is provided with outgassing nonreturn valve 8, and inlet hole 7 is provided with breather check valve 9.Described air outlet hole 6 is communicated with the space outerpace of object to be bled, and described inlet hole 7 is communicated with the inner space of object to be bled.
In addition, described outgassing nonreturn valve 8 comprises the first shell fragment and one first projection of a flexibility; Described first shell fragment can cover air outlet hole 6 completely; The top of described first projection connects the center of described first shell fragment; In working order, institute goes out the first projection and is located in described air outlet hole 6, and described first shell fragment is positioned at outside air chamber; The end of described first projection is also provided with the first limit structure, comes off in air outlet hole 6 for preventing described outgassing nonreturn valve 8; Described breather check valve 9 comprises the second shell fragment and one second projection of a flexibility; Described second shell fragment can cover described inlet hole 7 completely; The top of described second projection connects the center of described second shell fragment; In working order, described second projection is located in described inlet hole 7, and described second shell fragment is positioned at inside air chamber; The end of described second projection is also provided with a limit structure, comes off in inlet hole 7 for preventing described breather check valve 9.
In working order, described connecting rod 3 is that eccentric structure moves in a circle around the center of output shaft 20, forces flexible partition 4 to do the Tension and Compression motion of above-below direction.
Be further explained for above embodiment and be described as follows below:
1, described outgassing nonreturn valve 8 and breather check valve 9 are rubber one way valve.
2, described flexible partition 4 is diaphragm of rubber.
3, be also provided with a trim ring 11 between described enclosing cover 10 and described flexible partition 4, flexible partition 4 is pressed in described air chamber outer rim more closely.
For above-described embodiment, the issuable change of the present invention is described below:
See accompanying drawing 4, eccentric structure described in the utility model can also be made up of a cam 30, the output shaft 20 of motor 2 connects one end of described cam 30, and the other end of cam 30 is fixedly connected with and connects barrier film arm 40 by a connecting rod, and barrier film arm 40 connects described flexible partition 4 again.Because flexible partition 4 is flexible, and flexible partition 4 is pressed on dividing plate 5 by enclosing cover 10 and trim ring 11 and encapsulates air chamber.In working order, when cam 30 moves in a circle around the center of motor 2 output shaft 20, then flexible partition 4 is forced to do upper and lower Tension and Compression motion.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (8)
1. a micro-suction pump, is characterized in that: comprise housing (1), motor (2) and air pump assembly; Described air pump assembly and motor (2) are one in front and one in back horizontally disposed with in housing (1); Output shaft (20) the corresponding described air pump assembly setting forward of described motor (2); Described air pump assembly comprises enclosing cover (10), flexible partition (4) and dividing plate (5) from top to bottom successively:
The upper end of described flexible partition (4) connects the output shaft (20) of described motor (2) by an eccentric structure, to form the to-and-fro motion of described flexible partition (4) at vertical direction, the lower end sealing of described flexible partition (4) is arranged on the top of described dividing plate (5) to form an air chamber;
Described dividing plate (5) is also offered an air outlet hole (6) and an inlet hole (7), air outlet hole (6) is provided with outgassing nonreturn valve (8), inlet hole (7) is provided with breather check valve (9), in working order, described air outlet hole (6) is communicated with the space outerpace of object to be bled, and described inlet hole (7) is communicated with the inner space of object to be bled.
2. micro-suction pump according to claim 1, it is characterized in that: described eccentric structure comprises a connecting rod (3), one end of described connecting rod (3) is parallel with the output shaft (20) of motor (2) and be fixedly connected with, and the other end connects described flexible partition (4) by a barrier film arm (40).
3. micro-suction pump according to claim 1, it is characterized in that: described eccentric structure comprises a cam (30), one end of this cam (30) is fixedly connected with the output shaft (20) of described motor (2), the other end connects described flexible partition (4), to form the to-and-fro motion of described flexible partition (4) at vertical direction.
4. micro-suction pump according to claim 1, is characterized in that: described outgassing nonreturn valve (8) comprises the first shell fragment and one first projection of a flexibility; Described first shell fragment can cover described air outlet hole (6) completely; The top of described first projection connects the center of described first shell fragment; In working order, institute goes out the first projection and is located in described air outlet hole (6), and described first shell fragment is positioned at outside air chamber; The end of described first projection is also provided with the first limit structure, comes off in air outlet hole (6) for preventing described outgassing nonreturn valve (8).
5. micro-suction pump according to claim 1, is characterized in that: described breather check valve (9) comprises the second shell fragment and one second projection of a flexibility; Described second shell fragment can cover described inlet hole (7) completely; The top of described second projection connects the center of described second shell fragment; In working order, described second projection is located in described inlet hole (7), and described second shell fragment is positioned at inside air chamber; The end of described second projection is also provided with the second limit structure, comes off in inlet hole (7) for preventing described breather check valve (9).
6. micro-suction pump according to claim 1, is characterized in that: described outgassing nonreturn valve (8) and breather check valve (9) are rubber one way valve.
7. micro-suction pump according to claim 1, is characterized in that: described flexible partition (4) is diaphragm of rubber.
8. micro-suction pump according to claim 1, is characterized in that: be also provided with a trim ring (11) between described enclosing cover (10) and described flexible partition (4), and flexible partition (4) is pressed in described air chamber outer rim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420838234.9U CN204458282U (en) | 2014-12-25 | 2014-12-25 | Micro-suction pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420838234.9U CN204458282U (en) | 2014-12-25 | 2014-12-25 | Micro-suction pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204458282U true CN204458282U (en) | 2015-07-08 |
Family
ID=53665181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420838234.9U Expired - Fee Related CN204458282U (en) | 2014-12-25 | 2014-12-25 | Micro-suction pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204458282U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106377159A (en) * | 2015-07-28 | 2017-02-08 | 浙江绍兴苏泊尔生活电器有限公司 | Electric pressure cooker |
| WO2018099390A1 (en) * | 2016-12-01 | 2018-06-07 | 林世明 | Single-arm pneumatic pump device |
| CN108613455A (en) * | 2016-12-09 | 2018-10-02 | 博西华电器（江苏）有限公司 | Air extractor and refrigerator with air extractor |
-
2014
- 2014-12-25 CN CN201420838234.9U patent/CN204458282U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106377159A (en) * | 2015-07-28 | 2017-02-08 | 浙江绍兴苏泊尔生活电器有限公司 | Electric pressure cooker |
| WO2018099390A1 (en) * | 2016-12-01 | 2018-06-07 | 林世明 | Single-arm pneumatic pump device |
| CN109642564A (en) * | 2016-12-01 | 2019-04-16 | 林世明 | Single arm type micro pressure pump installation |
| TWI656862B (en) * | 2016-12-01 | 2019-04-21 | 國立台灣大學 | A single arm micro air pump device |
| US11517208B2 (en) * | 2016-12-01 | 2022-12-06 | Shiming Lin | Single-arm micro air-pressure pump device |
| CN108613455A (en) * | 2016-12-09 | 2018-10-02 | 博西华电器（江苏）有限公司 | Air extractor and refrigerator with air extractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160425 Address after: Wujiang District of Suzhou City, Jiangsu province 215200 Wujiang Economic Development Zone, Tang Lu Yi Patentee after: Joying Electronic Technology (Suzhou) Co., Ltd. Address before: 215000 No. 27 Yang Cheng Road, Suzhou, Jiangsu, Xiangcheng District Patentee before: Langao Electronics (Suzhou) Co. Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20181225 |