CN213743884U - Dry battery built-in pump - Google Patents

Abstract

The utility model discloses a dry battery built-in pump, which comprises a shell, a battery box, a motor, a battery cover and a switch; a first accommodating cavity and a second accommodating cavity with an opening exposed out of the surface are arranged in the shell, the battery box is arranged in the second accommodating cavity and can be taken out of the opening, and the battery cover covers the opening; the shell is provided with an air inlet and an air outlet, the motor is arranged in the first accommodating cavity, an air suction end is communicated with the air inlet, and an air outlet end is communicated with the air outlet; the air inlet is provided with soundproof cotton; the switch is arranged on the shell and electrically connected between the battery box and the motor. The utility model discloses built-in dry battery of dry battery built-in pump, the noise is little, convenient to carry.

Description

Dry battery built-in pump

Technical Field

The utility model relates to an inflator pump especially relates to a built-in pump of dry battery.

Background

An electric inflator is an automatic inflator that uses a motor to energize the motor and then draws air from an air inlet end to an air outlet end, thereby inflating an airbag. The existing electric inflator pump is only provided with a power plug, and the inflation can be started only by plugging the power plug into a power socket during charging. However, such an inflator is limited by a power source and cannot be freely moved to use, and thus, portability and convenience of use are significantly insufficient. In addition, the existing electric inflator pump generates larger noise when inflating, seriously influences the surrounding environment and can not meet the use requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a built-in dry battery, the built-in pump of dry battery that the noise is little, convenient to carry.

In order to achieve the purpose, the dry battery built-in pump provided by the utility model comprises a shell, a battery box, a motor, a battery cover and a switch; a first accommodating cavity and a second accommodating cavity with an opening exposed out of the surface are arranged in the shell, the battery box is arranged in the second accommodating cavity and can be taken out of the opening, and the battery cover covers the opening; the shell is provided with an air inlet and an air outlet, the motor is arranged in the first accommodating cavity, an air suction end is communicated with the air inlet, and an air outlet end is communicated with the air outlet; the air inlet is provided with soundproof cotton; the switch is arranged on the shell and electrically connected between the battery box and the motor.

Compared with the prior art, because the utility model discloses a set up second holding chamber in the casing, make the surface of casing is exposed to the opening in second holding chamber, and the opening part in second holding chamber sets up the battery cover to make the battery box mountable in the casing or follow take out in the casing, and then make the utility model discloses can embed the dry battery, consequently, need not to connect the power when using, the significantly reduced is lazy to the foundation of service environment, greatly improves the convenience of using and the convenience of carrying. And, through the air inlet is equipped with soundproof cotton, makes the utility model discloses noise reduction better during the use, the silence performance is good.

Preferably, the housing includes a face cover and a body, the face cover is disposed on an upper side of the body, and the opening, the air inlet and the switch are disposed on the face cover.

Specifically, a pressing strip is arranged between the face cover and the body. The layering can be right the face lid with the body cushions, guarantees that both install closely and can not damage because of mutual extrusion.

Specifically, one side of the battery cover is pivoted on the face cover through a rotating shaft.

Preferably, the gas outlet is provided with a one-way valve which allows the gas to flow out from the inside to the outside and prohibits the gas from flowing in from the outside to the inside. The one-way valve can ensure smooth inflation, prevent external sundries from entering the interior of the dry battery from the air outlet and effectively protect the built-in pump of the dry battery.

Preferably, the battery box comprises a box body and a plurality of dry batteries, the dry batteries are arranged in the box body, and the dry batteries are in conductive connection.

Specifically, the bottom of the second accommodating cavity is provided with a conductive terminal, and the conductive terminal is electrically connected with the battery box and the switch.

The conductive terminal comprises a fixing frame, a connecting sheet and an elastic contact end, the fixing frame is fixed in the second accommodating cavity, the connecting sheet is arranged on the fixing frame and is electrically connected with the switch, and the elastic contact end is electrically connected with the connecting sheet to enable the conductive end of the dry battery to be in electric contact.

Specifically, the connecting piece is provided with a positioning concave, the bottom of the box body is provided with a positioning convex, and the positioning convex can be inserted into the positioning concave to realize positioning.

Specifically, a body encapsulation is arranged around the face cover.

Drawings

Fig. 1 is a perspective view of a dry battery built-in pump of the present invention.

Fig. 2 is a sectional view of the pump with a built-in dry battery according to the present invention.

Fig. 3 is an enlarged view of a portion a of fig. 2.

Fig. 4 is a state diagram of the air flow when the dry battery built-in pump of the present invention is inflated.

Detailed Description

In order to explain technical contents, structural features, and effects achieved by the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

Referring to fig. 1 to 3, the dry battery built-in pump 100 of the present embodiment includes a housing 110, a battery box 120, a motor 130, a battery cover 140 and a switch 150; a first accommodating cavity 111 and a second accommodating cavity 112 with an exposed surface of an opening 113 are arranged in the shell 110, the first accommodating cavity 111 and the second accommodating cavity 112 are arranged side by side, and the battery box 120 is installed in the second accommodating cavity 112 and can be taken out from the opening 113; a plurality of dry batteries are arranged in the battery box 120. The battery cover 140 covers the opening 113; the housing 110 has an air inlet 114 and an air outlet 115, the motor 130 is disposed in the first accommodating chamber 111, and an air suction end is communicated with the air inlet 114; the air inlet 114 is positioned at the right upper end of the air suction end of the motor 130 and is opposite to the air suction end of the motor 130; the air outlet end of the motor 130 is communicated with the air outlet 115; the air inlet 114 is provided with soundproof cotton; the switch 150 is disposed on the surface of the housing 110 and electrically connected between the battery box 120 and the motor 130.

Referring to fig. 2, the housing 110 includes a surface cover 110a and a body 110b, the surface cover 110a is disposed on the upper side of the body 110b, and the opening 113, the air inlet 114 and the switch 150 are disposed on the surface cover 110 a. The periphery of the surface cover 110a is provided with a body encapsulation. A pressing strip is arranged between the surface cover 110a and the body 110 b. The pressing strip can buffer the surface cover 110a and the body 110b, so that the surface cover and the body are tightly installed and cannot be damaged due to mutual extrusion. One side of the battery cover 140 is pivotally connected to the face cover 110a by a rotating shaft 141. The rotation axis is parallel to the surface of the face cover 110a, so that the battery cover 140 can be reversibly opened to facilitate the removal of the battery case 120.

The gas outlet 115 is provided with a check valve 160 for allowing the gas to flow out from the inside to the outside and prohibiting the gas from flowing in from the outside to the inside. The check valve 160 is a rubber nail. The check valve 160 can ensure smooth air charging, and prevent external impurities from entering the interior of the dry battery built-in pump 100 from the air outlet 115, thereby effectively protecting the dry battery built-in pump 100.

Referring to fig. 2 and 3, the battery box 120 includes a box body 121 and a plurality of dry batteries 122, the dry batteries 122 are disposed in the box body 121, and the dry batteries 122 are electrically connected with each other. More specifically, the bottom of the second receiving cavity 112 is provided with a conductive terminal 116, and the conductive terminal 116 is electrically connected to the battery box 120 and the switch 150. The conductive terminals 116 include a fixing frame 1161, a connecting sheet 1162 and an elastic contact end 1163, the fixing frame 1161 is fixed inside the second accommodating cavity 112, the connecting sheet 1162 is disposed on the fixing frame 1161 and electrically connected to the switch 150, and the elastic contact end 1163 is electrically connected to the connecting sheet 1162 for electrically contacting the conductive end of the dry battery 122. In addition, a positioning recess 1162a is arranged on the connecting piece 1162, a positioning protrusion 121a is arranged at the bottom of the box body 121, and the positioning protrusion 121a can be inserted into the positioning recess 1162a to realize positioning.

When the battery is replaced, the battery cover 140 is opened, the battery case 120 is pulled out from the opening 113, another new battery case 120 is replaced, the positioning protrusion 121a on the battery case 120 is matched with the positioning recess 1162a, so that the conductive end of the dry battery 122 is electrically contacted with the elastic contact end 1163, and finally the battery cover 140 is covered. In addition, when the dry cell built-in pump 100 is not used, the battery box 120 can be taken out, thereby avoiding the influence on the service life of the dry cell built-in pump 100 due to the damage or leakage of the battery caused by long-time non-use.

Referring to fig. 4, during inflation, the air outlet 115 is connected to the airbag to be inflated, then the switch 150 is turned on, the motor 130 is powered on and sucks air from the air inlet 114, and air enters from the air inlet 114, passes through the motor 130 and flows out from the air outlet 115, so that inflation can be achieved. When full, the switch 150 is closed, so that the motor 130 is powered off and stops, and the inflation stops.

Compared with the prior art, because the utility model discloses a set up second holding chamber 112 in the casing 110, make the opening 113 of second holding chamber 112 exposes the surface of casing 110 outward, and the opening 113 department of second holding chamber 112 sets up battery cover 140 to make battery box 120 mountable in casing 110 or follow take out in the casing 110, and then make the utility model discloses can embed the dry battery, consequently, need not to connect the power when using, the great reduction is lazy to service environment, greatly improves the convenience of using and the convenience of carrying to increase of service life. And, through be in the air inlet 114 is equipped with soundproof cotton, makes the utility model discloses noise reduction during the use better, the silence performance is good. In addition, through using powerful motor 130, can make the utility model discloses carry out high-power and aerify, high atmospheric pressure output improves the performance.

The above disclosure is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereto, and therefore, the scope of the present invention is not limited to the above embodiments.

Claims (10)

1. A built-in pump of dry battery is characterized in that: comprises a shell, a battery box, a motor, a battery cover and a switch; a first accommodating cavity and a second accommodating cavity with an opening exposed out of the surface are arranged in the shell, the battery box is arranged in the second accommodating cavity and can be taken out of the opening, and the battery cover covers the opening; the shell is provided with an air inlet and an air outlet, the motor is arranged in the first accommodating cavity, an air suction end is communicated with the air inlet, and an air outlet end is communicated with the air outlet; the air inlet is provided with soundproof cotton; the switch is arranged on the shell and electrically connected between the battery box and the motor.

2. The dry cell internal pump as defined in claim 1, wherein: the casing includes face lid and body, the face lid set up in the upside of body, opening, air inlet and the switch set up in on the face lid.

3. The dry cell built-in pump according to claim 2, wherein: a pressing strip is arranged between the surface cover and the body.

4. The dry cell built-in pump according to claim 2, wherein: one side of the battery cover is pivoted on the face cover through a rotating shaft.

5. The dry cell internal pump as defined in claim 1, wherein: and a one-way valve which allows the gas to flow out from the inside to the outside and prohibits the gas from flowing in from the outside to the inside is arranged in the gas outlet.

6. The dry cell internal pump as defined in claim 1, wherein: the battery box comprises a box body and a plurality of dry batteries, wherein the dry batteries are arranged in the box body and are in conductive connection.

7. The dry cell internal pump as defined in claim 6, wherein: and the bottom of the second accommodating cavity is provided with a conductive terminal which is electrically connected with the battery box and the switch.

8. The dry cell internal pump as defined in claim 7, wherein: the conductive terminal comprises a fixing frame, a connecting sheet and an elastic contact end, the fixing frame is fixed in the second accommodating cavity, the connecting sheet is arranged on the fixing frame and is electrically connected with the switch, and the elastic contact end is electrically connected with the connecting sheet to enable the conductive end of the dry battery to be in electric contact.

9. The dry cell internal pump as defined in claim 8, wherein: the connecting piece is provided with a positioning concave, the bottom of the box body is provided with a positioning convex, and the positioning convex can be inserted into the positioning concave to realize positioning.

10. The dry cell built-in pump according to claim 2, wherein: and a body rubber coating is arranged around the surface cover.

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