阅读说明：本技术 电动气泵 (Electric air pump ) 是由 秦光英 唐晓玲 于 2020-08-26 设计创作，主要内容包括：本申请公开了一种电动气泵。本申请的电动气泵包括外壳、盖体、充气模块和控制模块,外壳上设有第一通气口；盖体盖设于外壳上,且盖体上设有第二通气口；充气模块设于所述外壳内；控制模块设于外壳内,且控制模块包括控制电路板和气压检测单元,气压检测单元设于控制电路板上,且控制电路板与充气模块电性连接,用于控制。本申请可以通过气压检测单元检测充气床或者充气床垫等充气产品的内部气压,再通过控制模块控制充气模块,从而能够维持本电动气泵的压强。(The application discloses electronic air pump. The electric air pump comprises a shell, a cover body, an inflation module and a control module, wherein a first air vent is formed in the shell; the cover body is arranged on the shell in a covering manner, and a second vent hole is formed in the cover body; the inflation module is arranged in the shell; the control module is arranged in the shell and comprises a control circuit board and an air pressure detection unit, the air pressure detection unit is arranged on the control circuit board, and the control circuit board is electrically connected with the inflation module and used for control. This application can detect the inside atmospheric pressure of aerifing the product such as bed or inflatable mattress through atmospheric pressure detecting element, and the module is aerifyd in rethread control module control to can maintain the pressure of this electronic air pump.)

1. An electric air pump, comprising:

a housing provided with a first vent;

the cover body is covered on the shell and is provided with a second vent;

the inflation module is arranged in the shell; and

the control module is arranged on the shell and comprises a control circuit board and an air pressure detection unit, the air pressure detection unit is arranged on the control circuit board, and the control circuit board is electrically connected with the inflation module and used for control.

2. The electric air pump according to claim 1, wherein the air charge module comprises:

the first unit is arranged in the shell and used for compressing air, and comprises a main pump inflation motor; and

the second unit is arranged in the shell and used for supplementing air, and the second unit comprises an auxiliary pump air supplementing motor;

the control circuit board is electrically connected with the auxiliary pump air replenishing motor and the main pump air replenishing motor and is used for controlling;

a partition board is arranged in the shell and divides the shell into a first area and a second area, the first unit is arranged in the first area, and the second unit is arranged in the second area;

the first vent is arranged at the first area, and the height of the partition plate is smaller than the depth of the shell, so that the first area and the second area are communicated with the second vent.

3. The electric air pump according to claim 2, wherein the second unit further comprises:

a clamping groove is formed in the outer surface of the shell, a through connection hole communicated with the second area is formed in the inner bottom surface of the clamping groove, and the silencing cotton is arranged in the clamping groove; and

the silencing cotton pressing plate is arranged in the clamping groove and used for pressing the silencing cotton.

4. The electric air pump according to claim 2, wherein the second unit further comprises:

the air inlet shell of the air supplement pump is provided with an air supplement inlet hole; and

the air supply pump air outlet shell is connected with the air supply pump air inlet shell and is provided with an air supply outlet;

the auxiliary pump air supplementing motor is arranged in the air supplementing pump air inlet shell and the air supplementing pump air outlet shell.

5. The electric air pump according to claim 4, wherein the second unit further comprises:

the plurality of fixed antennae are respectively fixed on the air inlet shell of the air supplement pump and the air outlet shell of the air supplement pump; and

and the damping plate is arranged in the second area, and the damping plate is fixed on the air inlet shell of the air supplementing pump and the air outlet shell of the air supplementing pump through the fixed antenna.

6. The electric air pump according to any one of claims 2 to 5, wherein the control module further includes:

the power line is arranged on the cover body and is electrically connected with the control circuit board;

the cover body is provided with a wire box cover, and the wire box cover is connected with the shell and used for containing the power line.

7. The electric air pump according to claim 6, wherein the control module further comprises:

the key board is connected with the control circuit board; and

the inflation control key is arranged in the first hole and is connected with the control circuit board through the key board and used for controlling the main pump inflation motor.

8. The electric air pump according to claim 7, further comprising:

the reversing module comprises a reversing plate for switching an air channel and a microswitch electrically connected with the control circuit board;

the control module further comprises:

and the deflation control key is arranged on the cover body, is arranged in the second hole, is connected with the reversing module and is used for controlling the reversing module and the main pump inflation motor.

9. The electric air pump according to claim 6, wherein the control module further comprises:

the USB interface, be equipped with the third hole on the lid, the USB interface is located in the third hole, and with control circuit board electric connection.

10. The electric air pump according to claim 6, wherein the control module further comprises:

the cover body is provided with a fourth hole, and the light-emitting piece is arranged in the fourth hole and electrically connected with the control circuit board.

Technical Field

The application relates to the technical field of air pumps, in particular to an electric air pump.

Background

Inflatable products (such as inflatable mattresses or inflatable beds) can be used after being inflated, and can be inflated by a hand-operated air pump, or by an electric air pump, or by an internal air pump.

However, in the prior art, when the air pump inflates an inflatable product such as an inflatable bed or an inflatable mattress, the air pump cannot accurately measure the internal air pressure, so that the air pump is damaged due to the excessive air pressure, or the air pressure is too low, so that the inflatable product deforms, and the comfort level is not enough.

Disclosure of Invention

An object of the application is to provide an electronic air pump, it can detect inside atmospheric pressure through the atmospheric pressure detecting element to control through control module and aerify the module.

The embodiment of the application is realized as follows:

an electric air pump comprises a shell, a cover body, an inflation module and a control module, wherein a first air vent is formed in the shell; the cover body is arranged on the shell in a covering manner, and a second vent hole is formed in the cover body; the inflation module is arranged in the shell; the control module is arranged on the shell and comprises a control circuit board and an air pressure detection unit, the air pressure detection unit is arranged on the control circuit board, and the control circuit board is electrically connected with the inflation module and used for control.

In one embodiment, the inflation module comprises a first unit and a second unit, the first unit is arranged in the housing and used for compressing air, and the first unit comprises a main pump inflation motor; the second unit is arranged in the shell and used for supplementing air, and comprises an auxiliary pump air supplementing motor; the control circuit board is electrically connected with the auxiliary pump air replenishing motor and the main pump air replenishing motor and used for controlling.

In one embodiment, a partition is disposed in the housing, the partition divides the housing into a first region and a second region, the first unit is disposed in the first region, and the second unit is disposed in the second region; the first vent is arranged at the first area, and the height of the partition plate is smaller than the depth of the shell, so that the first area and the second area are communicated with the second vent.

In one embodiment, the second unit further comprises silencing cotton and a silencing cotton pressing plate, a clamping groove is formed in the outer surface of the shell, a through connection hole communicated with the second area is formed in the inner bottom surface of the clamping groove, and the silencing cotton is arranged in the clamping groove; the silencing cotton pressing plate is arranged in the clamping groove and used for pressing the silencing cotton.

In one embodiment, the second unit further includes: the air supplementing pump air inlet shell is connected with the air supplementing pump air inlet shell, and the air supplementing pump air inlet shell is provided with an air supplementing inlet hole; the air outlet shell of the air supplement pump is provided with an air supplement outlet hole; the auxiliary pump air supplementing motor is arranged in the air supplementing pump air inlet shell and the air supplementing pump air outlet shell.

In an embodiment, the second unit further includes a plurality of fixed antennas and a damping plate, and the plurality of fixed antennas are respectively fixed to the air supply pump inlet casing and the air supply pump outlet casing; the damping plate is arranged in the second area and fixed on the air inlet shell and the air outlet shell of the air supplementing pump through the fixed antenna.

In an embodiment, the control module further includes a power line disposed on the cover and electrically connected to the control circuit board.

In an embodiment, a cover of a cable box is disposed on the cover, and the cover of the cable box is connected to the housing for accommodating the power line.

In one embodiment, the control module further comprises a key board and an inflation control key, wherein the key board is connected with the control circuit board; the cover body is provided with a first hole, the inflation control key is arranged in the first hole and is connected with the control circuit board through the key board to control the main pump inflation motor.

In an embodiment, the electric air pump further includes a reversing module, and the reversing module includes a reversing plate for switching an air duct and a micro switch electrically connected to the control circuit board. The control module further comprises a deflation control key, a second hole is formed in the cover body, the deflation control key is arranged in the second hole and connected with the reversing module and used for controlling the reversing module and the main pump inflation motor.

In an embodiment, the control module further includes a USB interface, a third hole is disposed on the cover, and the USB interface is disposed in the third hole and electrically connected to the control circuit board.

In an embodiment, the control module further includes a light emitting element, the cover is provided with a fourth hole, and the light emitting element is disposed in the fourth hole and electrically connected to the control circuit board.

Compared with the prior art, the beneficial effect of this application is:

this application can detect the inside atmospheric pressure of aerifing the product such as bed or inflatable mattress through atmospheric pressure detecting element to aerify the module through control module control, thereby can maintain the pressure of this electronic air pump.

According to the air pressure detection device, the air pressure detection unit can be used for detecting the internal air pressure of inflatable products such as an inflatable bed or an inflatable mattress, and the control module is used for controlling the main pump inflation motor and the auxiliary pump inflation motor, so that air can be automatically supplied through the second unit when the internal air pressure of the inflatable products is too low, the pressure of the electric air pump is maintained, and the inflatable products are prevented from being deformed due to too low air pressure; when the internal air pressure of the inflatable product reaches a preset value, the main pump inflating motor and the auxiliary pump air replenishing motor are stopped by the control circuit board, so that the electric air pump is prevented from being damaged due to overlarge air pressure.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of an electric air pump according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of an electric air pump according to an embodiment of the present application.

Fig. 3 is a sectional view of an electric air pump according to an embodiment of the present application.

Fig. 4 is a partial schematic structural diagram of an electric air pump according to an embodiment of the present application.

Fig. 5 is a partial schematic structural diagram of an electric air pump according to an embodiment of the present application.

Fig. 6 is a partial schematic structural diagram of an electric air pump according to an embodiment of the present application.

Fig. 7 is an exploded view of an electric air pump according to an embodiment of the present application.

Fig. 8 is a partial schematic structural view of an electric air pump according to an embodiment of the present application.

Fig. 9 is a plan view of an electric air pump according to an embodiment of the present application.

Icon: 1-an electric air pump; 100-a housing; 110 — a first vent; 111-a separator; 120-card slot; 121-through connection hole; 140-a first region; 150-a second region; 160-protective net; 170-a valve assembly; 200-a cover body; 210-a second vent; 220-a first aperture; 230-a second aperture; 240-third aperture; 250-a fourth well; 300-a first unit; 310-fan blades; 320-fan blade housing; 330-air sealing plate; 340-a motor housing; 350-main pump charging motor; 360-air outlet holes; 370-an air intake; 400-a second unit; 410-air inlet shell of air supplement pump; 411-air supplement inlet hole; 420-air outlet shell of air make-up pump; 421-air supply outlet hole; 430-auxiliary pump air supply motor; 440-sound-deadening cotton; 441-a silencing cotton compression plate; 450-a damping plate; 451-fixed antenna; 500-a control module; 510-a control circuit board; 520-air pressure detection unit; 530-power supply line; 531-power panel; 532-power strip protective cover; 540-key board; 550-inflation control key; 560-deflation control button; 570-USB interface; 580-a luminescent element; 600-a commutation module; 610-a reversing plate; 620-micro switch; 612-a vent; 613-sloping bar; 630-a support bar; 640-an integrated motherboard; 650-a reversing spring; 660-a reversing cam; 670-reversing; 680-electromagnetic valve; 800-an inflation module; 900-wire box cover.

Detailed Description

The terms "first," "second," "third," and the like are used for descriptive purposes only and not for purposes of indicating or implying relative importance, and do not denote any order or order.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should be noted that the terms "inside", "outside", "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally arranged when products of the application are used, and are used only for convenience in describing the application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application.

In the description of the present application, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

The technical solution of the present application will be clearly and completely described below with reference to the accompanying drawings.

Please refer to fig. 1, which is a schematic structural diagram of an electric air pump 1 according to an embodiment of the present application. The electric air pump 1 comprises a shell 100 and a cover body 200, wherein the cover body 200 is covered on the shell 100 through a buckling connection mode, a bolt connection mode and the like, a first air vent 110 is formed in the side wall of the shell 100, and a protective net 160 is connected to the first air vent 110; the cover 200 is provided with a second vent 210. Among them, the first air vent 110 may be used as an air outlet or an air inlet of the electric air pump 1, and the second air vent 210 may be used as an air outlet or an air inlet of the electric air pump 1.

Please refer to fig. 2, which is a schematic structural diagram of an electric air pump 1 according to an embodiment of the present application. An inflation module 800 and a control module 500 are provided within the housing 100, the inflation module 800 including a first cell 300 and a second cell 400.

The control module 500 includes a control circuit board 510 and an air pressure detecting unit 520, the air pressure detecting unit 520 is disposed on the control circuit board 510, the air pressure detecting unit 520 is an air pressure sensor, and can be connected to an inflatable product such as an inflatable bed or an inflatable mattress through a soft air tube to detect the internal air pressure of the inflatable product such as the inflatable bed or the inflatable mattress. The control circuit board 510 may be provided with electrical components such as a processor and a controller. The control circuit board 510 is electrically connected to the air charging module 800 for control.

In the present embodiment, the air pressure detecting unit 520 may detect the internal air pressure of an inflatable product such as an air bed or an air mattress, and the control module 500 may control the air inflation module 800, so as to maintain the pressure of the electric air pump 1.

Fig. 3 is a cross-sectional view of the electric air pump 1 according to an embodiment of the present application. Both the inflation module and the control module 500 are disposed within the housing 100. The casing 100 is provided with a partition 111, the partition 111 divides the casing 100 into a first area 140 and a second area 150, wherein the first vent 110 is disposed at the first area 140, and the height of the partition 111 is smaller than the depth of the casing 100, so that the first area 140 and the second area 150 are communicated with the second vent 210. The first unit 300 is disposed in the first region 140 for compressing air, and the second unit 400 is disposed in the second region 150 for supplementing air.

The second unit 400 comprises an air supplement pump air inlet shell 410, an auxiliary pump air supplement motor 430 and an air supplement pump air outlet shell 420, wherein the air supplement pump air outlet shell 420 and the air supplement pump air inlet shell 410 are connected together in a threaded, buckled and other mode, the air supplement pump air inlet shell 410 is provided with an air supplement inlet hole 411, and the air supplement pump air outlet shell 420 is provided with an air supplement outlet hole 421; wherein, the auxiliary pump air-supplying motor 430 is arranged in the air-supplying pump air-inlet shell 410 and the air-supplying pump air-outlet shell 420.

The first unit 300 comprises a main pump charging motor 350 and a fan blade 310 in transmission connection with the main pump charging motor 350. The main pump inflation motor 350 is fixed on the motor housing 340 through bolts, the fan blade 310 is arranged in the fan blade housing 320, the top of the fan blade housing 320 is connected with the motor housing 340 through bolts, the bottom of the fan blade housing 320 is fixed with an air sealing plate 330 through bolts or buckles, and the fan blade housing 320 is provided with an air outlet hole 360 and an air inlet hole 370.

Fig. 4 is a schematic view of a portion of the electric air pump 1 according to an embodiment of the present application. The control module 500 is disposed in the housing 100, and the control circuit board 510 is electrically connected to the auxiliary pump air-supplying motor 430 and the main pump air-supplying motor 350 for control. The air pressure detecting unit 520 is disposed on the control circuit board 510, and can be connected to an inflatable product such as an inflatable bed or an inflatable mattress through a soft air tube for detecting the internal air pressure of the inflatable product such as the inflatable bed or the inflatable mattress. The control circuit board 510 may be provided with electrical components such as a processor and a controller.

In the embodiment, the internal air pressure of an inflatable product such as an inflatable bed or an inflatable mattress can be detected by the air pressure detection unit 520, and the main pump inflation motor 350 and the auxiliary pump inflation motor 430 are controlled by the control module 500, so that air can be automatically supplied by the second unit 400 when the internal air pressure of the inflatable product is too low, the pressure of the electric air pump 1 is maintained, and the inflatable product is prevented from being deformed due to too low air pressure; or when the internal air pressure of the inflatable product reaches a preset value, the control circuit board 510 stops the main pump inflation motor 350 and the auxiliary pump air supplement motor 430, so as to prevent the damage to the electric air pump 1 caused by excessive air pressure.

In one operation, the control circuit board 510 can control the main pump charging motor 350 to start operating only when the user presses the charging control button 550 (see fig. 5) of the control module 500. The secondary pump air supply motor 430 can be automatically turned on and off by the control circuit board 510.

The control module 500 further includes a power cord 530, wherein the power cord 530 is disposed on the cover 200 and electrically connected to the control circuit board 510. The power cord 530 may be externally connected to a power source for supplying power.

The second unit 400 further comprises a plurality of fixed antennae 451 and a damping plate 450, wherein the plurality of fixed antennae 451 are respectively fixed on the supplementary air pump inlet shell 410 and the supplementary air pump outlet shell 420; a damping plate 450 is disposed in the second region 150, and the damping plate 450 is fixed to the supplementary air pump inlet case 410 and the supplementary air pump outlet case 420 through a fixing antenna 451 to damp vibration.

Fig. 5 is a schematic view of a portion of the electric air pump 1 according to an embodiment of the present application. The cover body 200 is provided with a wire cover 900, and the wire cover 900 is connected to the housing 100 for accommodating the power line 530. In this embodiment, one side of the cover 200 is hinged to a wire box cover 900, and the wire box cover 900 may be connected to the housing 100 by a snap connection. The wire box cover 900 can be opened or closed, and the power wire 530 can be stored in the wire box cover 900.

Fig. 6 is a schematic view of a portion of the electric air pump 1 according to an embodiment of the present application. The second unit 400 further includes a sound-deadening cotton 440 and a sound-deadening cotton pressing plate 441, the outer surface of the housing 100 is provided with a slot 120, the inner bottom surface of the slot 120 is provided with a through hole 121 communicated with the second area 150 (see fig. 2), and the sound-deadening cotton 440 is disposed in the slot 120; the silencing cotton pressing plate 441 is arranged in the clamping groove 120 in a clamping mode or a bolt connection mode and the like, and the silencing cotton 440 is pressed in the clamping groove 120. The noise of the second unit 400 can be reduced when the second unit 400 is opened by the sound-deadening cotton 440.

Fig. 7 is an exploded view of the electric air pump 1 according to an embodiment of the present application. The control module 500 further comprises an inflation control button 550 and a button plate 540, wherein the button plate 540 is connected with the control circuit board 510; the cover 200 is provided with a first hole 220, the inflation control button 550 is disposed in the first hole 220, and the inflation control button 550 is connected to the control circuit board 510 through a button board 540 for controlling the opening or closing of the main pump inflation motor 350. In an operation process, when the power cord 530 is powered on, the inflation control button 550 is pressed, the button plate 540 is triggered to send a signal, and the control circuit board 510 controls the main pump inflation motor 350 to start operating.

The control module 500 further includes a power board 531 and a power board protection cover 532 disposed outside the power board 531, the power board 531 is fixedly connected to the lid 200, meanwhile, the power board 531 is connected to the power line 530, and the power line 530 is fixed to the lid 200 through the power board 531. In an operation process, the power board 531 is connected to the main pump air inflation motor 350, and when the power cord 530 is powered on, the power board 531 can send a signal, and the control circuit board 510 controls the main pump air inflation motor 350 to start to operate.

The electric air pump 1 further comprises a reversing module 600, the control module 500 further comprises an air release control button 560, the cover body 200 is provided with a second hole 230, and the air release control button 560 is arranged in the second hole 230, connected with the reversing module 600, and used for controlling the reversing module 600 and the main pump inflation motor 350.

The reversing module 600 comprises a reversing plate 610 for switching air channels and a micro switch 620 electrically connected with the control circuit board 510, wherein the micro switch 620 can detect the movement of the air bleeding control button 560, so as to control the on or off of the main pump inflation motor 350.

When the reversing plate 610 moves to the first preset position, the vent hole 612 is in butt joint with the air outlet hole 360 of the first unit 300, the first air vent 110 is an air outlet of the electric air pump 1, the second air vent 210 is an air inlet of the electric air pump 1, and at this time, the air channel in the electric air pump 1 is an air channel for inflation; when the reversing plate 610 moves to the second preset position, the air vent 612 is in butt joint with the air inlet 370, the air channel in the electric air pump 1 is switched, the first air vent 110 is changed into the air inlet of the electric air pump 1, the second air vent 210 is changed into the air outlet of the electric air pump 1, and at this time, the air channel in the electric air pump 1 is the air channel for air release.

In one operation, the inlet aperture 370 is positioned below the outlet aperture 360. When the air discharge control button 560 is pressed, the reversing plate 610 moves downward to a second preset position, the air duct in the electric air pump 1 is switched to the air discharge duct, the main pump air charging motor 350 is started under the action of the microswitch 620, and the electric air pump 1 discharges air. When the deflation control button 560 is reset, the direction changing plate 610 moves to the first preset position, the air channel in the electric air pump 1 is switched to the air channel for inflation, and the main pump inflation motor 350 waits for an instruction for inflation (the inflation control button 550).

Fig. 8 is a top view of the electric air pump 1 according to an embodiment of the present application. The reversing module 600 further comprises an integrated main board 640, a reversing cam 660, a support bar 630 and a reversing spring 650, wherein the integrated main board 640 is fixed on the housing 100; one end of the reversing cam 660 is hinged to the integrated main board 640, the middle part of the reversing cam is connected with the supporting rod 630, the other end of the reversing cam is a movable end, the top of the reversing plate 610 is abutted, one end of the supporting rod 630 is connected with the air release control key 560, and the other end of the supporting rod is connected with the reversing cam 660.

Initially, the direction-changing plate 610 is at the first predetermined position, and when the deflation control button 560 is pressed, the support bar 630 moves downward a certain distance, and the direction-changing cam 660 rotates a certain angle, so that the direction-changing plate 610 moves downward a certain distance to reach the second predetermined position. The embodiment realizes the reciprocating motion of the reversing plate 610 by the reversing cam 660 and the support bar 630.

The reversing spring 650 is disposed between the reversing plate 610 and the case 100 to buffer vibration.

Referring to fig. 7 and fig. 3, an inverse buckle 670 and an electromagnetic valve 680 connected to the control circuit board 510 are disposed on the integrated main board 640, and the inverse buckle 670 can be fastened to the supporting rod 630. In an operation process, after the deflation control button 560 is pressed, the reverse buckle 670 is buckled with the support bar 630, so that the deflation control button 560 cannot be reset immediately, until the air pressure detection unit 520 detects that the internal air pressure of the inflatable product reaches a preset value, the electromagnetic valve 680 pushes the reverse buckle 670, and the reverse buckle 670 is separated from the support bar 630.

The vent hole 612 of the reversing plate 610 is provided with a slope rod 613, the first vent 110 is provided with a valve assembly 170, the valve assembly 170 comprises a column core, a valve plate, a spring, a glass bead and other parts, and the column core of the valve assembly 170 is abutted against the slope rod 613 to control the closing and opening of the first vent 110.

The valve plate of the valve component 170 of the first vent 110 can be made of silica gel and is in a normally closed state; when the first air vent 110 is the air inlet of the electric air pump 1, the air duct in the electric air pump 1 is the air discharge air duct, the reversing plate 610 is at the second preset position, and the valve assembly 170 can be opened under the action of the air flow, so that the electric air pump 1 can normally operate; when the first air vent 110 is the air outlet of the electric air pump 1, the air duct in the electric air pump 1 is the air duct for inflation, and due to the action of the reversing module 600, the reversing plate 610 moves to the first preset position, and the core of the valve assembly 170 moves relative to the slope rod 613, so that the valve assembly 170 is opened, and the electric air pump 1 operates normally.

Fig. 9 is a top view of the electric air pump 1 according to an embodiment of the present application. The control module 500 further includes a USB interface 570, the cover 200 is provided with a third hole 240, and the USB interface 570 is disposed in the third hole 240 and electrically connected to the control circuit board 510. The USB interface 570 is provided for charging mobile phones and the like.

The control module 500 further includes a light emitting element 580, a fourth hole 250 is formed on the cover 200, and the light emitting element 580 is disposed in the fourth hole 250 and electrically connected to the control circuit board 510. The illuminating member 580 may be an LED lamp for use as a night light.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.