CN204900208U - Air pump - Google Patents
Air pump Download PDFInfo
- Publication number
- CN204900208U CN204900208U CN201520368131.5U CN201520368131U CN204900208U CN 204900208 U CN204900208 U CN 204900208U CN 201520368131 U CN201520368131 U CN 201520368131U CN 204900208 U CN204900208 U CN 204900208U
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- air
- chamber
- upper cover
- outlet
- pump
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Abstract
The utility model discloses an air pump, air pump includes: upper cover, disk seat and piston. The upper cover bottom has incurvate a plurality of chamber and a plurality of air cavitys of admitting air that make progress, is provided with in the upper cover and goes out the intercommunication passageway that the air cavity feeds through. The disk seat sets up in the upper cover below, is provided with the valve block on the disk seat, and the valve block is portable to be used for opening and to close and admit air the chamber and go out the air cavity. The piston sets up in the disk seat below, forms the pump chamber with the disk seat. According to the utility model discloses an air pump is because gaseous cavity, pump chamber and the intercommunication passageway of need flowing through in order from entering air pump to the discharge upper cover to prolong gaseous flow path, and then reduced gaseous mobile noise and air pump's whole noise.
Description
Technical field
The utility model relates to air pump apparatus field, particularly relates to a kind of air pump.
Background technique
Micro air pump is widely used in the field such as medical apparatus, automotive seat, such as sphygmomanometer, massage chair.But the air pump in correlation technique easily produces noise at work, and noise is comparatively large, reduces the quality of product.
Model utility content
The utility model is intended at least to solve one of technical problem existed in prior art.For this reason, the utility model needs to provide a kind of air pump.
According to the air pump of embodiment of the present utility model, comprising:
Upper cover, the bottom of described upper cover has multiple air-inlet cavity to being recessed on and multiple outlet chamber, and described outlet chamber is communicated with the communicating passage being arranged on described upper cover;
Valve seat, described valve seat is arranged on the below of described upper cover, described valve seat is provided with air-intake valve plate and valve block of giving vent to anger, described air-intake valve plate and described in valve block of giving vent to anger be arranged on described air-inlet cavity and described outlet chamber movably and sentence and open and close described air-inlet cavity and described outlet chamber; And
Piston, described piston is arranged on below described valve seat, and and is formed with multiple pump chamber between described air cavity.
In some embodiments, described multiple air-inlet cavity and described multiple outlet chamber upwards equidistantly distribute along the central shaft of described upper cover.
In some embodiments, cover and be also formed with suction port and air outlet on described, described suction port is communicated with described air-inlet cavity, and described air outlet is communicated with described outlet chamber through described communicating passage.
In some embodiments, described communicating passage comprises the First Transition chamber be communicated with described outlet chamber, the second adapter cavity being arranged on described upper cover bottom centre region and the arced flow path be communicated with between described First Transition chamber and described second adapter cavity.
In some embodiments, described First Transition chamber to be arranged at described in adjacent two between outlet chamber.
In some embodiments, multiple described First Transition chamber is communicated with multiple described outlet chamber.
In some embodiments, described second adapter cavity is communicated with described relief opening.
In some embodiments, described arced flow path is opened on described First Transition chamber and described second adapter cavity respectively.
In some embodiments, air-inlet cavity, described outlet chamber and described pump chamber described in described valve block one-way conduction.
In some embodiments, air-inlet cavity and described outlet chamber described in described pump chamber correspondence a pair.
In some embodiments, described suction port and described air-inlet cavity and be also provided with acoustical panel between described air outlet and described second adapter cavity, described acoustical panel is provided with multiple bloop, and described acoustical panel is for cutting down the hydrodynamic noise of air-flow.
A little part providing in the following description of additional aspect of the present utility model, part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of mode of execution, wherein:
Fig. 1 is the sectional view of the air pump of the utility model mode of execution.
Fig. 2 is the stereogram of the upper cover of the utility model mode of execution.
Embodiment
Be described below in detail mode of execution of the present utility model, the example of described mode of execution is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the mode of execution be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more described features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection or can communication mutually; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is less than second feature.
Disclosing hereafter provides many different mode of executions or example is used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the utility model.In addition, the utility model can in different example repeat reference numerals and/or reference letter, this repetition is to simplify and clearly object, itself does not indicate the relation between discussed various mode of execution and/or setting.In addition, the various specific technique that the utility model provides and the example of material, but those of ordinary skill in the art can recognize the application of other techniques and/or the use of other materials.
Refer to Fig. 1 and Fig. 2, the air pump 100 of a mode of execution of the present utility model, comprises upper cover 1, valve seat 2 and piston 3.
The bottom of upper cover 1 has air-inlet cavity 11 to being recessed on and outlet chamber 12, and air-inlet cavity 11 and outlet chamber 12 are separated into multiple little air-inlet cavity and multiple little outlet chamber.Outlet chamber 12 is communicated with the communicating passage 13 being arranged on upper cover 1.Communicating passage 13 comprises First Transition chamber 131, arced flow path 132 and the second adapter cavity 133.Valve seat 2 is provided with air-intake valve plate 21 and valve block 22 of giving vent to anger.Air-intake valve plate 21 is arranged on air-inlet cavity 11 movably and sentences opening and closing air-inlet cavity 11.Similar, valve block 22 of giving vent to anger is arranged on outlet chamber 12 movably and sentences opening and closing outlet chamber 12.Piston 3 is arranged on below valve seat 2, is formed with multiple pump chamber 31 between piston 3 and multiple air-inlet cavity 11 and multiple outlet chamber 12.
Upper cover 1, valve seat 2 and piston 3 connect cooperation from top to bottom successively, wherein, air-intake valve plate 21 included by valve seat 2 and valve block 22 of giving vent to anger, air-intake valve plate 21 and valve block 22 of giving vent to anger can be made for elastic material, such as silica gel piece, such air-intake valve plate 21 and valve block 22 of giving vent to anger can seal the gap of upper cover 1 and valve seat 2.In addition, the bottom of upper cover 1 can arrange multiple positioning hole, and valve seat 2 can arrange multiple locating column, and multiple locating column matches with multiple positioning hole, thus strengthens upper cover 1 and the tight intensity coordinated between valve seat 2 further.
Outlet chamber 12 is roughly round chamber, and the section of its perisporium is provided with seal diaphragm.So, air-inlet cavity 11 and outlet chamber 12 effectively can be completely cut off by seal diaphragm, improve the tightness of air pump 100 further.
Upper cover 1 is suitable for covering the top at valve seat 2, and gas such as air can enter in pump chamber 31 via valve seat 2 from air-inlet cavity 11, then flows in outlet chamber 12 in pump chamber 31, then flows in communicating passage 13 from outlet chamber 12, final discharge upper cover 1.
So, gas, from entering pump chamber 31 to the process leaving upper cover 1, needs to flow through air-inlet cavity 11, outlet chamber 12 and communicating passage 13 in turn, thus extends the flow path of gas, add noise losses, and then effectively reduce the flow noise of gas and the overall noise of air pump 100.
Multiple air-inlet cavity 11 and multiple outlet chamber 12 upwards equidistantly distribute along the central shaft of upper cover 1.So, can play the effect of shunting, gas is entered by multiple air-inlet cavity 11, is finally discharged by multiple outlet chamber 12, effectively changes flow velocity and the pressure of gas, thus reduces exhaust sound.
According to the air pump 100 of the utility model mode of execution, by arranging suction port 16 and air outlet 17 on upper cover 1.Suction port 16 is communicated with air-inlet cavity 11, and during air inlet, gas enters air-inlet cavity 11 by suction port 16.Air outlet 17 is communicated with outlet chamber 12 via communicating passage 13, and during exhaust, gas flows through communicating passage 13 from outlet chamber 12, is finally discharged in external environment by air outlet 17.Suction port 16 and air outlet 17 the effect effectively serving restriction gas flow is set, make no matter in air inlet or give vent to anger time, the gas all not having excessive flow enters in air pump 100 simultaneously, thus effectively reduces the operating noise of air pump 100, improves the quality of product.
Wherein, communicating passage 13 comprises First Transition chamber 131, arced flow path 132 and the second adapter cavity 133.
First Transition chamber 131 is arranged between adjacent two outlet chambers 12, and is communicated with the outlet chamber 12 of one of them.Multiple First Transition chamber 131 is connected with multiple outlet chamber 12 by the opening that it is formed.So, gas is flowed in its First Transition chamber 131 be connected by the opening be communicated with after being discharged by outlet chamber 12, thus extends the flow path of air-flow, reduces the flow noise of gas.And opening is small, both define airflow direction, again limit gas flow, thus further reduce the flow noise of gas.
Second adapter cavity 133 is arranged on the center region bottom upper cover 1, is communicated with air outlet 17.Second adapter cavity 133 is roughly round chamber, and multiple outlet chamber 12 surrounds the second adapter cavity 133 and arranges.Second adapter cavity 133 is not directly communicated with outlet chamber 12, but is communicated with by arced flow path 132 with multiple First Transition chamber by the opening that the second adapter cavity 133 is formed.In other words, outlet chamber 12 is communicated with First Transition chamber 131, and First Transition chamber is connected with the second adapter cavity 133 by arced flow path 132.So, further extend the flow path of gas, reduce the noise of gas flow.
Arced flow path 132 surrounds the second adapter cavity 133 and arranges, and is communicated with in First Transition chamber 131 and the second adapter cavity 133.On arced flow path 132, both sides perisporium is provided with multiple opening to be communicated with second adapter cavity 133 in multiple First Transition chamber 131 and upper cover 1 center region.So, by arranging arced flow path 132, First Transition chamber 131, second adapter cavity 133 and outlet chamber 12 being communicated with everywhere, defining airflow direction when being vented.Gas flow is through multiple parts thus extend the flow path of gas.By open communication between each parts, the effect of restriction gas flow can be played, thus effectively reduce noise.Arced flow path 132 extends along curve, thus extends the flow path of air-flow further, reduces the flow noise of gas further.
First Transition chamber 131, second adapter cavity 133 and arced flow path 132 all play transitional function, if by outlet chamber 12 directly by gas discharging in external environment, then can cause the situation that noise is higher.Therefore in mode of execution of the present utility model, the First Transition chamber 131 be communicated with successively by setting and outlet chamber 12, arced flow path 132 and the second adapter cavity 133 make when giving vent to anger, gas flows through First Transition chamber 131, arced flow path 132 and the second adapter cavity 133 successively, both the flow path of air-flow had been extended, slow down again the flow velocity of air-flow, reach the object reducing gas flow noise.
According to an embodiment of the present utility model, valve seat 2 includes air-intake valve plate 21 and valve block 22 of giving vent to anger.Air-intake valve plate 21 is arranged on air-inlet cavity 11 movably and sentences and make gas one-way flow from top to bottom; Valve block 22 of giving vent to anger is arranged on outlet chamber 22 movably and sentences and make gas one-way flow from top to bottom.That is, air-intake valve plate 21 can open or close air-inlet cavity 11 to make gas one-way flow from top to bottom, and valve block 22 of giving vent to anger can open or close outlet chamber 12 to make gas one-way flow from top to bottom.Multiple recessed pump chamber 31 is formed downwards, all corresponding a pair air-inlet cavity 11 of each pump chamber 31 and outlet chamber 12 between valve seat 2 and piston 3.Such as piston 3 and valve seat 2 are formed with five pump chambers 31, and correspondingly, air-intake valve plate 21 and valve block 22 of giving vent to anger also are five.Be understandable that, the quantity of pump chamber 31 can adjust as required in good time, such as three or four, and correspondingly air-intake valve plate 21 and valve block 22 of giving vent to anger also arrange and take advantage of three or four.
Further, air-intake valve plate 21 and valve block 22 of giving vent to anger all can be one-body molded on valve seat 2, so, can reduce quantity and the assembling procedure of whole air pump 100 component, reduce the cost of production of air pump 100.Be understandable that, valve block is in the process repeatedly opened and closed, easily deform, the problem such as tilting, thus cause air-intake valve plate 21 normally cannot close air-inlet cavity 11 and valve block 22 of giving vent to anger cannot normally close outlet chamber 12, cause the tightness of air pump 100 bad, cause the problems such as air pump 100 pressure and underfed.Concrete, valve block can be constructed generally as the lamellar body with arc surface, and valve block 22 center of such as giving vent to anger is protruded towards the direction of upper cover 1, and outlet chamber 12 can cover by the shape of cross section of valve block 22 of giving vent to anger, size completely.Air-intake valve plate 21 has similar structure.
In order to further understand the structure of the air pump 100 according to an embodiment of the present utility model, the existing working procedure simply introducing the utility model air pump 100.Refer to Fig. 1 and Fig. 2, piston 3 pump chamber 31 under the driving of drive unit (such as motor) can carry out compressing and process of expansion repeatedly, when pump chamber 31 is expanded, air pump 100 carries out breathing process, and ambient atmos is inhaled in air pump 100, and successively through suction port 16, air-inlet cavity 11, when the pressure in air-inlet cavity 11 reaches certain pressure value, the air-intake valve plate 21 on valve seat 2 is pushed open by air-flow, and gas enters pump chamber 31.When pump chamber 31 compresses, air pump 100 is exhausted process, in pump chamber 31, gas is extruded and upwards flows, to giving vent to anger, valve block 22 produces thrust, when thrust reaches certain thrust magnitude, valve block 22 of giving vent to anger is backed down by air-flow, and gas enters in outlet chamber 12, and continue along First Transition chamber 131, cambered way 132, second adapter cavity 133 flows, finally discharged by air outlet 17.So, gas is not only long but also complicated to the flow path flowing out upper cover 1 from entering air pump 100, and gas alternately flowing in pump chamber 31 and each chamber, thus effectively can change flow velocity and the pressure of gas, to realize noise reduction effectively.
Preferably, an embodiment of the present utility model, can be provided with acoustical panel 4 between suction port 16 and air-inlet cavity 11, is also provided with acoustical panel 4 between the second adapter cavity 133 and air outlet 17.Acoustical panel 4 is provided with multiple bloop.So, by arranging acoustical panel, the flow noise of air-flow directly effectively can be cut down.Further raising noise reduction.
In the description of this specification, specific features, structure, material or feature that the description of reference term " mode of execution ", " some mode of executions ", " exemplary embodiment ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with described mode of execution or example are contained at least one mode of execution of the present utility model or example.In this manual, identical mode of execution or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more mode of execution or example.
Although illustrate and described mode of execution of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these mode of executions when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (11)
1. an air pump, is characterized in that, comprising:
Upper cover, the bottom of described upper cover has multiple air-inlet cavity to being recessed on and multiple outlet chamber, and described outlet chamber is communicated with the communicating passage being arranged on described upper cover;
Valve seat, described valve seat is arranged on the below of described upper cover, described valve seat is provided with air-intake valve plate and valve block of giving vent to anger, described air-intake valve plate and described in valve block of giving vent to anger be arranged on described air-inlet cavity and described outlet chamber movably and sentence and open and close described air-inlet cavity and described outlet chamber; And
Piston, described piston is arranged on below described valve seat, and and is formed with multiple pump chamber between described valve seat.
2. air pump as claimed in claim 1, is characterized in that, described multiple air-inlet cavity and described multiple outlet chamber upwards equidistantly distribute along the central shaft of described upper cover.
3. air pump as claimed in claim 1, it is characterized in that, cover on described and be also formed with suction port and air outlet, described suction port is communicated with described air-inlet cavity, and described air outlet communicates with described outlet chamber through described communicating passage.
4. air pump as claimed in claim 1, it is characterized in that, described communicating passage comprises the First Transition chamber be communicated with described outlet chamber, the second adapter cavity being arranged on described upper cover bottom centre region and the arced flow path be communicated with between described First Transition chamber and described second adapter cavity.
5. air pump as claimed in claim 4, is characterized in that, described First Transition chamber to be arranged at described in adjacent two between outlet chamber.
6. air pump as claimed in claim 4, it is characterized in that, multiple described First Transition chamber is communicated with multiple described outlet chamber.
7. air pump as claimed in claim 4, it is characterized in that, cover and be also formed with suction port and air outlet on described, described second adapter cavity is communicated with described air outlet.
8. air pump as claimed in claim 4, it is characterized in that, described arced flow path is opened on described First Transition chamber and described second adapter cavity respectively.
9. air pump as claimed in claim 1, is characterized in that, air-inlet cavity, described outlet chamber and described pump chamber described in described valve block one-way conduction.
10. air pump as claimed in claim 1, is characterized in that, air-inlet cavity and described outlet chamber described in described pump chamber correspondence a pair.
11. air pumps as claimed in claim 1, it is characterized in that, cover on described and be also formed with suction port and air outlet, described suction port is communicated with described air-inlet cavity, described air outlet communicates with described outlet chamber through described communicating passage, described communicating passage comprises the First Transition chamber be communicated with described outlet chamber, the second adapter cavity being arranged on described upper cover bottom centre region and the arced flow path be communicated with between described First Transition chamber and described second adapter cavity, described suction port and described air-inlet cavity and be also provided with acoustical panel between described air outlet and described second adapter cavity, described acoustical panel is provided with multiple bloop, described acoustical panel is for cutting down the hydrodynamic noise of air-flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520368131.5U CN204900208U (en) | 2015-06-01 | 2015-06-01 | Air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520368131.5U CN204900208U (en) | 2015-06-01 | 2015-06-01 | Air pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204900208U true CN204900208U (en) | 2015-12-23 |
Family
ID=54922389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520368131.5U Active CN204900208U (en) | 2015-06-01 | 2015-06-01 | Air pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204900208U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019052617A (en) * | 2017-09-19 | 2019-04-04 | 多田プラスチック工業株式会社 | Device for supplying air to bag body |
| CN109578254A (en) * | 2017-09-28 | 2019-04-05 | 日本电产株式会社 | Pump |
| US11274666B2 (en) | 2017-08-30 | 2022-03-15 | Xiamen Conjoin Electronics Technology Co., Ltd. | Micro-fluid pump |
-
2015
- 2015-06-01 CN CN201520368131.5U patent/CN204900208U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11274666B2 (en) | 2017-08-30 | 2022-03-15 | Xiamen Conjoin Electronics Technology Co., Ltd. | Micro-fluid pump |
| JP2019052617A (en) * | 2017-09-19 | 2019-04-04 | 多田プラスチック工業株式会社 | Device for supplying air to bag body |
| CN109578254A (en) * | 2017-09-28 | 2019-04-05 | 日本电产株式会社 | Pump |
| JP2019065708A (en) * | 2017-09-28 | 2019-04-25 | 日本電産株式会社 | pump |
| JP7021738B2 (en) | 2017-09-28 | 2022-02-17 | 日本電産株式会社 | pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |