Waterproof air pump

Abstract

A waterproof air pump comprises a lower shell, an upper cover and a pump body, the pump body is detachably connected into the lower shell, and the waterproof air pump is characterized in that one side of the upper cover is hinged to the lower shell, a switch part hinged to the upper cover is arranged on the other side of the upper cover, a spring in a compressed state is arranged between the upper end of the switch part and the upper cover, and the lower end of the switch part is connected with the pump body. A lock catch is arranged at the lower end of the switch part, a clamping groove corresponding to the lock catch is formed in the lower shell, the lock catch is located in the clamping groove under the action of the elastic force of the spring, and the upper cover and the lower shell are in a locked state; when the upper end of the switch part is pressed, the spring is further compressed, the lock catch is moved out of the clamping groove, and the upper cover and the lower shell are in an unlocking state. The waterproof air pump has the advantages that the upper cover and the lower shell of the waterproof air pump are hinged to form a non-detachable structure, so that the upper cover is prevented from being lost; and the locking operation and the unlocking operation of the upper cover and the lower shell are simple, and the upper cover can be turned over and opened, so that the actual operation of a user is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to air pump technical field especially relates to a waterproof air pump. BACKGROUND

[0002] Large inflatable products often need to adopt external air pump to inflate quickly, however, for the inflatable products needing to contact with water, such as inflatable boat, inflatable ring, inflatable swimming pool and the like, the air pump must have waterproof performance, if the air pump has poor sealing performance, the electric leakage will occur, and further, the safety problem will be caused.

[0003] At present, the waterproof air pump in the prior art, such as the Chinese utility model "machine core separable waterproof air pump and inflatable product" with patent application number CN202221097244.2 (authorized publication number CN219691779U), the waterproof air pump comprises a waterproof shell and an air pump machine core detachably connected in the waterproof shell, the waterproof shell comprises a lower shell and a waterproof upper cover, the lower shell and the waterproof upper cover are connected through threads and are relatively sealed, so that the air pump can realize waterproofing while facilitating maintenance or replacement of the air pump machine core.

[0004] Although the above-mentioned waterproof air pump realizes the connection between the waterproof upper cover and the lower shell through threads, the connection mode between the waterproof upper cover and the lower shell is not convenient for actual operation, the user is easy to contact with water outdoors, and it is inconvenient to unscrew or tighten the waterproof upper cover when the user has water on hands. And the connection mode between the waterproof upper cover and the lower shell is easy to cause the waterproof upper cover to fall off and be lost, so that the waterproof air pump cannot be used normally. Therefore, the waterproof air pump needs to be further improved. SUMMARY

[0005] The utility model solves the technical problem that the prior art provides a waterproof air pump with simple structure and simple operation.

[0006] The utility model adopts the technical scheme for solving the above technical problem: the waterproof air pump, including lower shell, upper cover and pump body, the pump body is detachably connected in the lower shell, characterized in that: one side of the upper cover is hinged with the lower shell, the other side of the upper cover is equipped with the switch part hinged with it, the upper end between the switch part and the upper cover is equipped with the spring in the compression state, the lower end of the switch part is equipped with the lock catch, the lower shell is equipped with the clamping groove corresponding with the lock catch, under the elastic force of the spring, make the lock catch be located in the clamping groove, the upper cover and the lower shell are in the locking state, press the upper end of the switch part and make the spring be compressed further, make the lock catch move out from the clamping groove, the upper cover and the lower shell are in the unlocking state.

[0007] In order to enable the upper cover and the lower shell to form a sealed fit, preferably, the upper cover is internally provided with an annular groove, a sealing ring is mounted in the annular groove, and the sealing ring forms a sealed fit with the lower shell when the upper cover and the lower shell are in a locked state. The sealing ring can block the gap between the upper cover and the lower shell, so that the upper cover and the lower shell can form a waterproof and air-tight shell in the locked state.

[0008] Further, the upper cover is hinged to the lower shell by a first pin shaft, and the switch part is hinged to the upper cover by a second pin shaft. The upper cover rotates relative to the lower shell by means of the first pin shaft, so that the upper cover can be opened or closed; the switch part is mounted on the upper cover by means of the second pin shaft, and the user presses the upper end of the switch part to make the switch part rotate relative to the upper cover by means of the second pin shaft, that is, the lock catch at the lower end of the switch part is moved out of the clamping groove.

[0009] In order to enable the pump body to be detachably connected to the lower shell, preferably, the lower end of the lower shell is provided with at least two guide sliding grooves, and the lower end of the pump body is provided with a buckling piece matched with the guide sliding grooves. After the pump body is mounted into the lower shell, the pump body is rotated to make the buckling piece bucklingly connected to the guide sliding grooves to realize the connection of the pump body and the lower shell. Through the cooperation of the guide sliding grooves and the buckling piece, the pump body and the lower shell are bucklingly connected to each other, so that the pump body can be integrally detached from the lower shell and separated, facilitating the charging, maintenance and replacement of the pump body.

[0010] Further, the lower end of the pump body is provided with a first air outlet, the lower end of the lower shell is provided with a second air outlet, the first air outlet is communicated with the second air outlet, and a one-way valve is arranged at the second air outlet. The one-way valve can effectively prevent the inflation product from leaking and ensure that the pump body can inflate the inflation product.

[0011] Still further, the buckling pieces are arranged around the first air outlet, and the guide sliding grooves are arranged around the second air outlet. The layout of the pump body and the lower shell is optimized.

[0012] Compared with the prior art, the upper cover of the waterproof air pump is hinged to the lower shell, that is, the structure is not detachable, so that the loss of the upper cover is avoided; and the upper cover is further provided with a switch part, the lock catch of the switch part is located in the clamping groove of the lower shell, that is, the upper cover and the lower shell are in a locked state, when the upper cover needs to be opened, the user presses the upper end of the switch part to further compress the spring between the switch part and the upper cover, the switch part is separated from the lower shell, that is, the lock catch is moved out of the clamping groove, so that the locked state of the upper cover and the lower shell is released, and the upper cover can be turned open. The operation is simple and convenient for the user to operate. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1This is a schematic diagram of the structure of this utility model in the locked state according to an embodiment;

[0014] Fig. 2 This is a schematic diagram of the structure of this utility model in the unlocked state according to an embodiment;

[0015] Fig. 3 This is a cross-sectional view of the present invention in the locked state according to an embodiment;

[0016] Fig. 4 This is a cross-sectional view of the embodiment of the present invention in the locked state from another perspective;

[0017] Fig. 5 This is a schematic diagram of the pump body in an embodiment of the present invention;

[0018] Fig. 6 This is a cross-sectional view of the lower shell in an embodiment of this utility model. Detailed Implementation

[0019] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0020] like Figs. 1-6 The image shown is the preferred embodiment of this utility model.

[0021] like Figs. 1-6 As shown, the waterproof air pump of this embodiment includes a lower housing 1, an upper cover 2, a pump body 3, a switch part 4, a sealing ring 5, a first pin 6, a second pin 7, and a one-way valve 8. One side of the upper cover 2 is hinged to the lower housing 1 by the first pin 6, and the other side of the upper cover 2 is provided with a switch part 4 that is hinged to it by means of the second pin 7. A spring 41 in a compressed state is provided between the upper end of the switch part 4 and the upper cover 2, and a latch 42 is provided at the lower end of the switch part 4. A slot 11 corresponding to the latch 42 is provided on the lower housing 1. Under the elastic force of the spring 41, the latch 42 is located in the slot 11, and the upper cover 2 and the lower housing 1 are locked. Pressing the upper end of the switch part 4 further compresses the spring 41, causing the latch 42 to move out of the slot 11, and the upper cover 2 and the lower housing 1 are unlocked. In addition, the upper cover 2 of this embodiment is provided with an annular groove 21, and a sealing ring 5 is installed in the annular groove 21. The upper cover 2 and the lower housing 1 are in a locked state, and the sealing ring 5 and the lower housing 1 form a sealing fit. The sealing ring 5 can seal the gap between the upper cover 2 and the lower housing 1, so that the upper cover 2 and the lower housing 1 are in a locked state, and the upper cover 2 and the lower housing 1 can form a waterproof and airtight outer shell.

[0022] like Figs. 3-6As shown, the lower end of the lower shell 1 of the embodiment is provided with a second air outlet 13 and two guide sliding grooves 12, the two guide sliding grooves 12 are arranged at intervals around the second air outlet 13, the lower end of the pump body 3 is provided with a first air outlet 32 and two buckling members 31, the buckling members 31 are matched with the guide sliding grooves 12, the buckling members 31 are arranged at intervals around the first air outlet 32, after the pump body 3 is installed into the lower shell 1 and rotated, the buckling members 31 are buckled and connected into the guide sliding grooves 12 to realize the connection of the pump body 3 and the lower shell 1, that is, through the cooperation of the guide sliding grooves 12 and the buckling members 31, the pump body 3 and the lower shell 1 are buckled and connected with each other, so that the pump body 3 can be integrally disassembled and separated from the lower shell 1, which is convenient for charging, maintenance and replacement of the pump body 3. In addition, the first air outlet 32 and the second air outlet 13 of the embodiment are communicated, the one-way valve 8 is arranged at the second air outlet 13, the one-way valve 8 can effectively prevent the inflation product from leaking, and can also ensure that the pump body 3 can inflate the inflation product.

[0023] The pump body 3 of the embodiment is an inflation pump, the upper end of the pump body 3 is provided with an air inlet, the inside of the pump body 3 is provided with a motor, an impeller and a support and the like, the motor is connected and drives the impeller to rotate, when the pump body 3 operates, the external gas flows into the pump body 3 through the air inlet, the motor drives the impeller to rotate, the gas pressure in the pump body 3 is increased, under the action of the gas pressure in the pump body 3, the one-way valve 8 is opened, and the gas flows out of the waterproof air pump through the first air outlet 32 and the second air outlet 13 and flows into the inflation product.

[0024] The lower shell 1 of the waterproof air pump of the embodiment is installed in the inflation product and is sealingly connected with the inflation product, and the upper cover 2 is exposed to the inflation product, so as to be convenient for the user to unlock or lock the upper cover 2.

[0025] The working process of the embodiment is as follows:

[0026] A, when the inflation product is in an inflated state, the user needs to open the upper cover 2, the user presses the upper end of the switch part 4, the spring 41 is compressed, the switch part 4 rotates around the second pin shaft 7, so that the lock catch 41 moves out of the clamping groove 11, the upper cover 2 and the lower shell 1 are in an unlocked state, the user can open the upper cover 2, that is, the upper cover 2 can be rotated by means of the first pin shaft 6, so that the upper end of the pump body 3 is exposed, the pump body 3 is started, and the inflation product can be inflated;

[0027] B, when the inflation product is inflated, the pump body 3 is closed, the upper cover 2 is buckled to the lower shell 1, that is, under the elastic force of the spring 41, the lock catch 42 is located in the clamping groove 11, and the sealing ring 5 blocks the gap between the upper cover 2 and the lower shell 1, so as to complete the sealing connection of the upper cover 2 and the lower shell 1;

[0028] C. When the pump body 3 needs to be charged, repaired or replaced, the user needs to open the upper cover 2, then rotates the pump body 3, and slides the buckling member 31 at the lower end of the pump body 3 out of the guide sliding groove 12, so that the pump body 3 is in a separated state with the lower shell 1, and finally the pump body 3 is taken out of the lower shell 1; if the pump body 3 needs to be put back into the lower shell 1, the reverse operation according to the above steps can be performed.

Claims

1. A waterproof air pump, comprising a lower shell (1), an upper cover (2) and a pump body (3), the pump body (3) being detachably connected in the lower shell (1), characterized in that: One side of the upper cover (2) is hinged with the lower shell (1), and the other side of the upper cover (2) is provided with a switch part (4) hinged therewith, a spring (41) in a compressed state is arranged between the upper end of the switch part (4) and the upper cover (2), the lower end of the switch part (4) is provided with a lock catch (42), the lower shell (1) is provided with a clamping groove (11) corresponding to the lock catch (42), under the elastic force of the spring (41), the lock catch (42) is located in the clamping groove (11), and the upper cover (2) and the lower shell (1) are in a locked state; the spring (41) is further compressed by pressing the upper end of the switch part (4), so that the lock catch (42) moves out of the clamping groove (11), and the upper cover (2) and the lower shell (1) are in an unlocked state.

2. The water- resistant air pump of claim 1, wherein: The upper cover (2) is provided with an annular groove (21), and a sealing ring (5) is arranged in the annular groove (21), the upper cover (2) and the lower shell (1) are in a locked state, and the sealing ring (5) is in sealing cooperation with the lower shell (1).

3. The water- resistant air pump of claim 1, wherein: Further comprising a first pin shaft (6) and a second pin shaft (7), the upper cover (2) is hinged with the lower shell (1) through the first pin shaft (6), and the switch part (4) is hinged with the upper cover (2) through the second pin shaft (7).

4. The water- resistant air pump of claim 1, wherein: The lower end of the lower shell (1) is provided with at least two guide sliding grooves (12), the lower end of the pump body (3) is provided with a buckling piece (31) matched with the guide sliding grooves (12), and the pump body (3) is rotated after being installed into the lower shell (1), so that the buckling piece (31) is buckled and connected into the guide sliding grooves (12) to realize the connection between the pump body (3) and the lower shell (1).

5. The water-protected gas pump of claim 4, wherein: The lower end of the pump body (3) is provided with a first air outlet (32), the lower end of the lower shell (1) is provided with a second air outlet (13), the first air outlet (32) is communicated with the second air outlet (13), and the second air outlet (13) is provided with a one-way valve (8).

6. The water- resistant gas pump of claim 5, wherein: The buckling pieces (31) are arranged at intervals around the first air outlet (32), and the guide sliding grooves (12) are arranged at intervals around the second air outlet (13).

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