CN217783698U - Electric air pump - Google Patents
Electric air pump Download PDFInfo
- Publication number
- CN217783698U CN217783698U CN202220077683.0U CN202220077683U CN217783698U CN 217783698 U CN217783698 U CN 217783698U CN 202220077683 U CN202220077683 U CN 202220077683U CN 217783698 U CN217783698 U CN 217783698U
- Authority
- CN
- China
- Prior art keywords
- air pump
- piece
- pump motor
- metal elastic
- pressure air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The application provides an electric air pump, including being used for aerifing or the high pressure air pump motor of gassing, being used for aerifing or the low pressure air pump motor of gassing, high pressure air pump motor drive unit, low pressure air pump motor drive unit and central control unit. The electric air pump also comprises a differential pressure detection mechanism, the differential pressure detection mechanism comprises a detection piece, and the detection piece is positioned in the air chamber; the detection piece is connected with the central control unit; the detection piece comprises a first metal elastic sheet and a second metal elastic sheet, and the first metal elastic sheet and the second metal elastic sheet are in a disconnected state in a shutdown state; the detection piece further comprises an elastic piece, and the elastic piece is arranged relative to the first metal elastic piece or the second metal elastic piece. By adding the detection piece, the electric air pump can realize the stable switching of the working states of the high-pressure air pump motor/the low-pressure air pump motor.
Description
Technical Field
The utility model belongs to the technical field of electronic air pump, a high compression pump motor/changeable electronic air pump of low compression pump motor operating condition is related to.
Background
Common inflatable products in the market, such as inflatable beds, inflatable mattresses, inflatable boats, inflatable toys and the like, are popular with consumers due to the advantages of light weight, foldability, easy carrying, good comfort and the like, have extremely wide application range, become one of essential products for people to stay at home and travel, and have extremely high market prospect.
The air pump is one of the indispensable part of aerifing the product, some aerify the product and adopt manual pump, handheld electronic air pump aerifys aerifing the product through the pneumatic valve on aerifing the product, some aerify the product and adopt the built-in electronic air pump of installing on inflating bed and air mattress to aerify like inflating bed and air mattress, the user opens or closes the switch of electronic air pump with control start and stop through manual mode, for manual pump and handheld electronic air pump, it is more convenient that built-in electronic air pump uses, the speed of aerifing is also faster.
When aerifing the inflatable product, can aerify the inflatable body to suitable atmospheric pressure value and all have direct influence to improve the life who uses experience and prolong inflatable product to inflatable mattress is the example, and inflation pressure is not enough can cause the mattress to soft partially, and the holding power is not enough, if inflation pressure is too big then can cause inflatable mattress inflation deformation easily damaged.
It is necessary to provide a novel electric air pump to realize the stable switching of the working states of the high pressure air pump motor/the low pressure air pump motor.
SUMMERY OF THE UTILITY MODEL
Based on this, this application provides a neotype electronic air pump to realize high pressure air pump motor/low pressure air pump motor operating condition's stable switching.
The application provides an electric air pump, includes:
the high-pressure air pump motor is used for inflating or deflating;
the low-pressure air pump motor is used for inflating or deflating;
the high-pressure air pump motor driving unit drives the high-pressure air pump motor to work;
the low-pressure air pump motor driving unit drives the low-pressure air pump motor to work;
the central control unit is connected with the low-pressure air pump motor driving unit and the high-pressure air pump motor driving unit and sends a driving signal to drive the high-pressure air pump motor or the low-pressure air pump motor to start working or stop working;
the electric air pump also comprises a pressure difference detection mechanism, the pressure difference detection mechanism comprises an air inlet, an air outlet, an air chamber and a detection piece, the air inlet and the air outlet are communicated with the air chamber, and the detection piece is positioned in the air chamber; the detection piece is connected with the central control unit; the detection piece comprises a first metal elastic sheet and a second metal elastic sheet, and the first metal elastic sheet and the second metal elastic sheet are in a disconnected state in a shutdown state; the detecting piece further comprises an elastic piece, and the elastic piece is arranged relative to the first metal elastic piece or the second metal elastic piece.
In another preferred embodiment, the detecting member further includes an outer insulating member and an inner insulating member, the outer insulating member and the inner insulating member are snap-fitted, and the first metal elastic sheet and the second metal elastic sheet are clamped and fixed by the outer insulating member and the inner insulating member.
In another preferred embodiment, the gas chamber further comprises a detection cavity, the detection cavity is provided with an internal thread, the outer insulating member is provided with an external thread, and the outer insulating member is rotatably fixed in the detection cavity.
In another preferred embodiment, the detecting element further includes a limiting element, the limiting element is disposed opposite to the elastic element, the limiting element is provided with a through hole, the elastic element includes a protruding point, and the protruding point can pass through the through hole.
In another preferred embodiment, the air chamber further comprises a detection cavity, the detection cavity is provided with an internal thread, the limiting member is provided with an external thread, and the limiting member is rotatably fixed in the detection cavity.
In another preferred embodiment, the detection cavity is provided with a holding groove located at an inner side edge, and an edge of the elastic member is held and fixed in the holding groove and abutted by an edge of the limiting member.
This application is through setting up pressure differential detection mechanism, the stable switching of high compression pump motor/low pressure air pump motor operating condition can be realized to electronic air pump.
Drawings
FIG. 1 is a schematic view of the structure of the electric air pump of the present application;
FIG. 2 is a schematic structural diagram of a motor, a transmission mechanism and a piston rod of the electric air pump shown in FIG. 1;
FIG. 3 is a schematic view of an eccentric transmission structure of the electric air pump shown in FIG. 1, which is different from that of FIG. 2;
FIG. 4 is an exploded view of the eccentric drive configuration shown in FIG. 3;
FIG. 5 is a cross-sectional view of the eccentric transmission shown in FIG. 3;
fig. 6 is a disassembled sectional view of the eccentric transmission structure shown in fig. 3.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. The word "comprising" or "comprises", and the like, means that the element or item listed after "comprises" or "comprising" is inclusive of the element or item listed after "comprising" or "comprises", and the equivalent thereof, and does not exclude additional elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
Referring to fig. 1 to 6, the present application provides an electric air pump 100, including: the device comprises a high-pressure air pump motor 1 for inflation or deflation, a low-pressure air pump motor 2 for inflation or deflation, a high-pressure air pump motor driving unit, a low-pressure air pump motor driving unit and a central control unit 3. The high-pressure air pump motor driving unit is used for driving the high-pressure air pump motor 1 to work; and the low-pressure air pump motor driving unit is used for driving the low-pressure air pump motor 2 to work. The central control unit 3 is connected with the low-pressure air pump motor driving unit and the high-pressure air pump motor driving unit, and the central control unit 3 sends a driving signal to drive the high-pressure air pump motor 1 or the low-pressure air pump motor 2 to start working or stop working. The electric air pump further comprises a pressure difference detection mechanism 4, wherein the pressure difference detection mechanism 4 comprises an air inlet, an air outlet, an air chamber 43 and a detection piece. The air inlet and the air outlet are communicated with the air chamber 43, and the detection piece is positioned in the air chamber 43; the detection member is connected to the central control unit 3. By adding the detection piece, the electric air pump can realize the stable switching of the working states of the high-pressure air pump motor 1/the low-pressure air pump motor 2.
In a preferred embodiment, the detecting element includes a first metal elastic piece 441 and a second metal elastic piece 442, and in the power-off state, the first metal elastic piece 441 and the second metal elastic piece 442 are in the open state.
In a preferred embodiment, the detecting member further includes an outer insulating member 443 and an inner insulating member 444, the outer insulating member 443 and the inner insulating member 444 are snap-fitted, and the first metal elastic piece 441 and the second metal elastic piece 442 are clamped and fixed by the outer insulating member 443 and the inner insulating member 444.
In a preferred embodiment, the air chamber 43 further includes a detection cavity 431, the detection cavity 431 is provided with an internal thread, the outer insulation 443 is provided with an external thread, and the outer insulation 443 is rotatably fixed in the detection cavity 431.
In a preferred embodiment, the detecting element further includes an elastic element 445, the elastic element 445 is disposed opposite to the first metal elastic piece 441 or the second metal elastic piece 442, and when the elastic element 445 is subjected to an increase in pressure, the elastic element can deform toward the first metal elastic piece 441 or the second metal elastic piece 442, and even push the first metal elastic piece 441 or the second metal elastic piece 442, so as to achieve electrical connection of the first metal elastic piece 441 or the second metal elastic piece 442.
In a preferred embodiment, the detecting member further includes a limiting member 446, the limiting member 446 is disposed opposite to the elastic member 445, and the limiting member 446 can limit the deformation amount of the elastic member 445. The limiting member 446 is provided with a through hole, the elastic member 445 includes a protruding point, and the protruding point can pass through the through hole to push the first metal elastic piece 441 or the second metal elastic piece 442, so as to achieve electrical connection of the first metal elastic piece 441 or the second metal elastic piece 442.
In a preferred embodiment, the air chamber 43 further includes a detection cavity 431, the detection cavity 431 is provided with an internal thread, the limiting member 446 is provided with an external thread, and the limiting member 446 is rotatably fixed in the detection cavity 431.
In a preferred embodiment, the detection cavity 431 is provided with a holding groove located at an inner edge, and an edge of the elastic member 445 is held and fixed in the holding groove and abutted by an edge of the limiting member 446, so as to realize the overall fixation of the elastic member 445.
The above description is only a preferred embodiment of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (6)
1. An electric air pump comprising:
the high-pressure air pump motor is used for inflating or deflating;
the low-pressure air pump motor is used for inflating or deflating;
the high-pressure air pump motor driving unit drives the high-pressure air pump motor to work;
the low-pressure air pump motor driving unit drives the low-pressure air pump motor to work;
the central control unit is connected with the low-pressure air pump motor driving unit and the high-pressure air pump motor driving unit and sends a driving signal to drive the high-pressure air pump motor or the low-pressure air pump motor to start working or stop working;
the method is characterized in that:
the electric air pump also comprises a pressure difference detection mechanism, the pressure difference detection mechanism comprises an air inlet, an air outlet, an air chamber and a detection piece, the air inlet and the air outlet are communicated with the air chamber, and the detection piece is positioned in the air chamber; the detection piece is connected with the central control unit; the detection piece comprises a first metal elastic sheet and a second metal elastic sheet, and the first metal elastic sheet and the second metal elastic sheet are in a disconnected state in a shutdown state; the detection piece further comprises an elastic piece, and the elastic piece is arranged relative to the first metal elastic piece or the second metal elastic piece.
2. The electric air pump of claim 1, wherein: the detection piece further comprises an outer insulating piece and an inner insulating piece, the outer insulating piece is in snap fit with the inner insulating piece, and the first metal elastic sheet and the second metal elastic sheet are clamped and fixed by the outer insulating piece and the inner insulating piece.
3. The electric air pump of claim 2, wherein: the air chamber still includes and detects the chamber, it is equipped with the internal thread to detect the chamber, outer insulating part is equipped with the external screw thread, outer insulating part rotatable be fixed in detect the intracavity.
4. The electric air pump of claim 1, wherein: the detection piece further comprises a limiting part, the limiting part is arranged relative to the elastic part, the limiting part is provided with a through hole, the elastic part comprises a convex point, and the convex point can penetrate through the through hole.
5. The electric air pump of claim 4, wherein: the air chamber still including detecting the chamber, it is equipped with the internal thread to detect the chamber, the locating part is equipped with the external screw thread, the locating part is rotationally fixed in detect the intracavity.
6. The electric air pump of claim 5, wherein: the detection cavity is provided with a clamping groove positioned at the inner side edge, and the edge of the elastic piece is clamped and fixed in the clamping groove and is abutted against the edge of the limiting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220077683.0U CN217783698U (en) | 2022-01-04 | 2022-01-04 | Electric air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220077683.0U CN217783698U (en) | 2022-01-04 | 2022-01-04 | Electric air pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217783698U true CN217783698U (en) | 2022-11-11 |
Family
ID=83903590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220077683.0U Active CN217783698U (en) | 2022-01-04 | 2022-01-04 | Electric air pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217783698U (en) |
-
2022
- 2022-01-04 CN CN202220077683.0U patent/CN217783698U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7647662B2 (en) | Pressure switch applicable for an inflatable body | |
| CN212155088U8 (en) | Inflatable product | |
| CN201192452Y (en) | Air-operated massaging device | |
| CA2243942A1 (en) | Improved valve enclosure assembly | |
| EP1920681A3 (en) | Inflatable bed having a build-in electric air pump unit for inflating a mattress assembly | |
| CN217783698U (en) | Electric air pump | |
| CN205064308U (en) | Aerify multi -functional pump of product | |
| CA2244521A1 (en) | Portable inflator | |
| US20230332587A1 (en) | Multi-pressure integrated air pump | |
| US11668312B2 (en) | Air pump for an inflatable body | |
| CN110811213A (en) | Intelligent inflatable cushion system based on human body comfort level and use method thereof | |
| CN2301468Y (en) | Washer with moveable footing support | |
| US20230323870A1 (en) | Multipurpose inflation pump | |
| CN108167495B (en) | Memory alloy control box for controlling massage air bag | |
| CN204610218U (en) | There is the air pump of constant voltage and explosion prevention function and there is the airbed of this air pump | |
| CN204877904U (en) | Air compressor | |
| CN111980893A (en) | Miniature air pump suitable for electronic sphygmomanometer | |
| CN218624573U (en) | Air pump | |
| US20040202559A1 (en) | Push rod in an electrical pump adapted for use with a piston rod in an air nozzle | |
| CN209557290U (en) | A kind of electric inflating pump | |
| CN207605129U (en) | A kind of anti-pin device | |
| CN1078680C (en) | Compressor with hinged arc blades and rolling rotor | |
| CN2163252Y (en) | Multi-air chamber miniature bellows pump | |
| CN111828284A (en) | Mobile tire inflation pump mechanism capable of preventing excessive inflation | |
| CN219911057U (en) | Automatic control pressure's air pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |