Moistureproof and waterproof air pump

Abstract

The moistureproof and waterproof air pump comprises a base, an air-blowing leather bag, a sealing shell, a swing arm and an electromagnetic coil, an air inlet channel and an air outlet channel are arranged in the base, the air-blowing leather bag is connected to the base, an air-blowing cavity is arranged between the inner side wall of the air-blowing leather bag and the base, the sealing shell is connected to the base in a sealing mode, and the swing arm is connected to the swing arm. A sealing cavity is formed among the base, the outer side wall of the air-blowing leather bag and the inner side wall of the sealing shell, and the swing arm and the electromagnetic coil are located in the sealing cavity. The sealing cavity is arranged among the base, the outer side wall of the air-blowing leather bag and the inner side wall of the sealing shell, and the swing arm and the electromagnetic coil are arranged in the sealing cavity, so that even if water enters the air inlet channel, humid air and water cannot enter the sealing cavity, the electromagnetic coil cannot be damaged, and the service life of the electromagnetic coil is prolonged. And the device can be normally used in a humid environment.

Description

Technical Field

[0001] This utility model relates to the field of air pump technology, specifically to an air pump that is moisture-proof and waterproof. Background Technology

[0002] In order to dissipate heat from the electromagnetic coil, existing miniature air pumps typically place the electromagnetic coil in the air intake channel. As the airflow moves, the heat of the electromagnetic coil is carried away. However, if this type of air pump is used in a humid environment or if water enters the air intake channel, the humid air or water can damage the electromagnetic coil and the control circuit board, causing the air pump to fail.

[0003] This utility model was proposed in response to the shortcomings of the existing technology. Utility Model Content

[0004] Regarding the aforementioned technical problem in the prior art where the electromagnetic coil of a micro air pump is located in the air intake channel, humid air or water can damage the electromagnetic coil and control circuit board, leading to air pump failure. The technical solution adopted by this utility model to solve this problem is: a moisture-proof and waterproof air pump, comprising: a base, an air bladder, a sealed housing, a swing arm, and an electromagnetic coil. The base has an air intake channel and an air outlet channel. The air bladder is connected to the base, and an air chamber is formed between the inner wall of the air bladder and the base. The base has a first air guide hole connecting the air chamber and the air intake channel. The first air guide hole has a first one-way valve that allows gas to flow unidirectionally from the air intake channel to the air chamber. The base has a second air guide hole connecting the air chamber and the air outlet channel. The second air guide hole is provided with a second one-way valve that allows gas to flow unidirectionally from the air chamber to the air outlet channel. One end of the swing arm is rotatably connected to the base. The swing arm is connected to the air bladder. A magnet is provided on the swing arm. The electromagnetic coil is connected to the base and can cooperate with the magnet to drive the swing arm to swing and thus drive the air bladder to move. The sealing shell is sealed to the base. A sealing cavity is provided between the base, the outer wall of the air bladder, and the inner wall of the sealing shell. The swing arm and the electromagnetic coil are located in the sealing cavity.

[0005] As described above, a moisture-proof and waterproof air pump has an annular joint on its base, and the air bladder is sealed and connected to the annular joint.

[0006] As described above, in a moisture-proof and waterproof air pump, the first air guide hole is located inside the annular connector.

[0007] As described above, in a moisture-proof and waterproof air pump, the first one-way valve is located within an annular connector.

[0008] As described above, the moisture-proof and waterproof air pump has an installation channel at the bottom of the base that communicates with the air outlet channel. The lower end of the installation channel is sealed with a sealing cap. The second air guide hole is located inside the installation channel, and the second one-way valve is located inside the installation channel.

[0009] As described above, a moisture-proof and waterproof air pump has a filter housing at one end of the air inlet channel for installing filter cotton, and the filter housing contains filter cotton.

[0010] As described above, a moisture-proof and waterproof air pump has two air bladders on its base, and the base is provided with a swing arm, a first air guide hole, a first one-way valve, a second air guide hole, and a second one-way valve corresponding to each air bladder.

[0011] As described above, a moisture-proof and waterproof air pump has a positioning edge on the side of the sealed housing. The air pump also includes a locking edge that cooperates with the positioning edge. The locking edge is annular and matches the shape of the sealed housing. The positioning edge has a threaded hole, and the locking edge has a through hole that corresponds one-to-one with the threaded hole for screws to pass through.

[0012] As described above, a moisture-proof and waterproof air pump has an overflow port on its base, which is lower than the opening of the air inlet channel.

[0013] The beneficial effects of this utility model are:

[0014] 1. This utility model features a sealed cavity between the base, the outer wall of the air bladder, and the inner wall of the sealed housing, with the swing arm and electromagnetic coil housed within the sealed cavity. This design ensures that even in humid environments, or if water enters the air intake channel, the humid air and water will not enter the sealed cavity and will not damage the electromagnetic coil, allowing for normal operation in humid environments. If water enters the air intake channel of the air pump, it can be drained from the exhaust channel after a short period of operation, restoring normal operation. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is one of the exploded view diagrams of this utility model;

[0017] Figure 3 This is the second exploded view of the present invention;

[0018] Figure 4 This is a three-dimensional sectional view of the present invention;

[0019] Figure 5 This is a full sectional view of the present invention. Detailed Implementation

[0020] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0021] like Figures 1 to 5 As shown, this embodiment of a moisture-proof and waterproof air pump includes: a base 1, an air bladder 2, a sealed housing 3, a swing arm 4, and an electromagnetic coil 5. The base 1 has an air inlet channel 101 and an air outlet channel 102. The air bladder 2 is connected to the base 1. An air chamber 103 is provided between the inner wall of the air bladder 2 and the base 1. The base 1 has a first air guide hole 104 connecting the air chamber 103 and the air inlet channel 101. The first air guide hole 104 has a first one-way valve 61 that allows gas to flow unidirectionally from the air inlet channel 101 to the air chamber 103. The base 1 also has a... The second air guide hole 105 is provided with a second one-way valve 62 that allows gas to flow unidirectionally from the air chamber 103 to the air outlet channel 102. One end of the swing arm 4 is rotatably connected to the base 1. The swing arm 4 is connected to the air bladder 2. The swing arm 4 is provided with a magnet 41. The electromagnetic coil 5 is connected to the base 1 and can cooperate with the magnet 41 to drive the swing arm 4 to swing and thus drive the air bladder 2 to move. The sealing shell 3 is sealed and connected to the base 1. A sealing cavity 200 is provided between the base 1, the outer wall of the air bladder 2, and the inner wall of the sealing shell 3. The swing arm 4 and the electromagnetic coil 5 are located in the sealing cavity 200. This invention features a sealed cavity between the base, the outer wall of the air bladder, and the inner wall of the sealed housing. The swing arm and electromagnetic coil are housed within this sealed cavity. This design ensures that even in humid environments, or if water enters the air intake channel, the humid air and water will not enter the sealed cavity and will not damage the electromagnetic coil, allowing for normal operation in humid environments. If water enters the air intake channel, it can be drained from the exhaust channel after a short period of operation, restoring normal operation.

[0022] In this embodiment, the sealing housing 3 is sealed to the base 1 and can be locked with screws and then sealed with sealant.

[0023] In this embodiment, in order to facilitate the installation of the inflatable bladder onto the base, the base 1 is provided with an annular connector 11, and the inflatable bladder 2 is sealed and connected to the annular connector 11.

[0024] In this embodiment, the first air guide hole 104 is located inside the annular connector 11.

[0025] In this embodiment, the first check valve 61 is located inside the annular connector 11, which facilitates the installation of the first check valve 61; during installation, the first check valve 61 is installed first and then the air bladder is installed.

[0026] In this embodiment, in order to facilitate the assembly of the second one-way valve 62, an installation channel 106 communicating with the air outlet channel 102 is provided at the bottom of the base 1. A sealing cover 8 is sealed to the lower end of the installation channel 106. The second air guide hole 105 is located in the installation channel 106, and the second one-way valve 62 is located in the installation channel 106.

[0027] In this embodiment, in order to prevent debris from entering the air intake channel, a filter housing 7 for installing filter cotton 71 is provided at one end of the air intake channel 101, and the filter housing 7 is provided with filter cotton 71.

[0028] To improve work efficiency, two air bladders 2 are provided on the base 1. The base 1 is provided with a swing arm 4, a first air guide hole 104, a first one-way valve 61, a second air guide hole 105 and a second one-way valve 62, which correspond one-to-one with each air bladder 2.

[0029] To facilitate the installation of the air pump, the side of the sealing housing 3 is provided with a positioning edge 31. The air pump also includes a locking edge 32 that cooperates with the positioning edge 31. The locking edge 32 is annular and matches the shape of the sealing housing 3. The positioning edge 31 is provided with a threaded hole 311, and the locking edge 32 is provided with a through hole 321 that corresponds one-to-one with the threaded hole 311 for screws to pass through.

[0030] In this embodiment, an overflow port 100 is provided on the base 1, and the overflow port 100 is lower than the opening of the air intake channel 101. Water spilled on the base 1 will flow away from the overflow port and will not enter the air intake channel 101 through the air intake channel 101.

[0031] The above examples are merely illustrative of the technical content of this utility model to facilitate reader understanding, but do not imply that the implementation of this utility model is limited to these embodiments. Any technical extensions or re-creations made based on this utility model are protected by this utility model. The scope of protection of this utility model is defined by the claims.

Claims

1. A moisture-proof and waterproof air pump, characterized in that, include: The system comprises a base (1), an air bladder (2), a sealed housing (3), a swing arm (4), and an electromagnetic coil (5). The base (1) contains an air inlet channel (101) and an air outlet channel (102). The air bladder (2) is connected to the base (1). An air chamber (103) is located between the inner wall of the air bladder (2) and the base (1). The base (1) contains a first air guide hole (104) connecting the air chamber (103) and the air inlet channel (101). The first air guide hole (104) is equipped with a first one-way valve (61) that allows gas to flow unidirectionally from the air inlet channel (101) to the air chamber (103). The base (1) contains a second air guide hole (105) connecting the air chamber (103) and the air outlet channel (102). The second air guide hole (105) is provided with a second one-way valve (62) for gas to flow unidirectionally from the air chamber (103) to the air outlet channel (102). One end of the swing arm (4) is rotatably connected to the base (1). The swing arm (4) is connected to the air bladder (2). The swing arm (4) is provided with a magnet (41). The electromagnetic coil (5) is connected to the base (1) and can cooperate with the magnet (41) to drive the swing arm (4) to swing and thus drive the air bladder (2) to move. The sealing shell (3) is sealed and connected to the base (1). A sealing cavity (200) is provided between the base (1), the outer wall of the air bladder (2), and the inner wall of the sealing shell (3). The swing arm (4) and the electromagnetic coil (5) are located in the sealing cavity (200).

2. The moisture-proof and waterproof air pump according to claim 1, characterized in that, The base (1) is provided with an annular joint (11), and the inflatable bladder (2) is sealed and connected to the annular joint (11).

3. The moisture-proof and waterproof air pump according to claim 2, characterized in that, The first air guide hole (104) is located inside the annular connector (11).

4. The moisture-proof and waterproof air pump according to claim 3, characterized in that, The first check valve (61) is located inside the annular joint (11).

5. The moisture-proof and waterproof air pump according to claim 1, characterized in that, The base (1) has an installation channel (106) at its bottom that communicates with the air outlet channel (102). The lower end of the installation channel (106) is sealed with a sealing cap (8). The second air guide hole (105) is located inside the installation channel (106). The second one-way valve (62) is located inside the installation channel (106).

6. The moisture-proof and waterproof air pump according to claim 1, characterized in that, One end of the air intake channel (101) is provided with a filter housing (7) for installing filter cotton (71), and the filter housing (7) contains filter cotton (71).

7. The moisture-proof and waterproof air pump according to claim 1, characterized in that, The base (1) is provided with two air bladders (2), and the base (1) is provided with a swing arm (4) corresponding to each air bladder (2), a first air guide hole (104), a first one-way valve (61), a second air guide hole (105), and a second one-way valve (62).

8. The moisture-proof and waterproof air pump according to claim 1, characterized in that, The sealing housing (3) has a positioning edge (31) on its side. The air pump also includes a locking edge (32) that works in conjunction with the positioning edge (31). The locking edge (32) is an annular shape that matches the shape of the sealing housing (3). The positioning edge (31) has a threaded hole (311), and the locking edge (32) has a through hole (321) that corresponds to the threaded hole (311) for screws to pass through.

9. A moisture-proof and waterproof air pump according to claim 1, characterized in that, The base (1) is provided with an overflow port (100), which is lower than the opening of the air intake channel (101).

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