Waterproof vacuum pump

Abstract

The utility model discloses a waterproof vacuum pump which comprises an emptying module and a waterproof module, the emptying module comprises a pump body, a first exhaust pipe connected with the pump body, a transition box connected with the first exhaust pipe, and a second exhaust pipe connected with the transition box, the waterproof module comprises a water receiving box installed in the transition box and sponge filled in the water receiving box. When a large amount of water enters the second exhaust pipe, the sponge is saturated, then redundant water drops from the sponge, the liquid immersion sensor transmits water leakage information to the external PLC, then the air cylinder, the first electromagnetic valve and the second electromagnetic valve are started at the same time, the air cylinder presses out the water in the sponge through the pressing plate, and then the liquid water flows to the drainage pipe from the leakage opening. In the process, the first electromagnetic valve closes the first exhaust pipe, water is effectively prevented from entering the pump body, and the automatic drainage device has the automatic drainage function and facilitates follow-up normal work of the pump body.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum pumps, in particular to a waterproof vacuum pump. Background Art

[0002] A vacuum pump is a device or equipment that uses mechanical, physical, chemical or physicochemical methods to evacuate the container to obtain a vacuum. In layman's terms, a vacuum pump is a device that uses various methods to improve, generate and maintain a vacuum in a closed space.

[0003] Application number CN202020499871.3 discloses a vacuum pump waterproof device, including a muffler, an exhaust front pipe connected to the vacuum pump and the lower end of the muffler, and an exhaust rear pipe connected to the upper end of the muffler, the exhaust front pipe is a U-shaped pipe, and the height of the exhaust port of the exhaust rear pipe is greater than the height of the vacuum pump. The vacuum pump waterproof device of the utility model utilizes an S-shaped pipeline, a muffler and a fixing sleeve at the same time. While solving the dust and water resistance, it effectively reduces the exhaust port noise when the vacuum pump is working, improves the waterproof and noise reduction effects, and also considers the vibration transmission of the entire pipeline, meeting the driver's requirements for off-road wading performance and passenger comfort. This application is applied to drivers who like mountain off-road. Even if the vacuum pump exhaust port in their car is raised, there is still the possibility of water ingress. Utility Model Content

[0004] The utility model aims to solve one of the technical problems existing in the prior art or related technology.

[0005] To this end, the technical solution adopted in this utility model is:

[0006] A waterproof vacuum pump comprises an emptying module and a waterproof module, wherein the emptying module comprises a pump body, an exhaust pipe connected to the pump body, a transition box connected to the exhaust pipe, and an exhaust pipe connected to the transition box; the waterproof module comprises a water receiving box installed inside the transition box, a sponge filled inside the water receiving box, a cylinder passing through the top of the transition box, a pressure plate connected to the movable end of the cylinder, two leaks opened at the bottom of the inner cavity of the water receiving box, a liquid immersion sensor installed at the top of the inner cavity of the exhaust pipe, a first solenoid valve installed on the exhaust pipe, a drain pipe connected to and communicated with the transition box, and a second solenoid valve installed on the drain pipe.

[0007] By adopting the above technical solution, when a large amount of water enters the second exhaust pipe, the sponge will be saturated, and then the excess water will drip from the sponge. The immersion sensor will transmit the leakage information to the external PLC, and then the cylinder, the first solenoid valve, and the second solenoid valve will be started at the same time. The cylinder uses a pressure plate to press the water out of the sponge, and then the liquid water flows from the leak to the drain pipe, and then is discharged from the drain pipe. During this process, the first solenoid valve has closed the exhaust pipe, effectively preventing water from entering the pump body. This product has an automatic drainage function, which is convenient for the subsequent normal operation of the pump body.

[0008] In a preferred example, the utility model can be further configured as follows: the first exhaust pipe, the transition box, and the second exhaust pipe are internally connected to each other, and the first exhaust pipe is connected to the interior of the pump body.

[0009] In a preferred example, the utility model can be further configured as follows: the exhaust pipe 1 and the exhaust pipe 2 are made of the same material, and both are arranged in a curved shape.

[0010] In a preferred example, the utility model can be further configured as follows: the width of the water receiving box is smaller than the width of the transition box.

[0011] In a preferred example, the utility model can be further configured as follows: the bottom of the inner cavity of the water receiving box is set as a "∧" surface, and the two leaks are respectively located at the front and rear sides of the "∧".

[0012] In a preferred example, the utility model can be further configured as follows: the pressing plate is set to be U-shaped, and the bottom of the pressing plate fits with the top of the sponge.

[0013] In a preferred example, the utility model can be further configured as follows: the first solenoid valve and the second solenoid valve are connected in series, and the cylinder, the liquid immersion sensor, and the first solenoid valve are all electrically connected to an external PLC.

[0014] By adopting the above technical solution, the beneficial effects achieved by the utility model are as follows:

[0015] 1. In the utility model, when a large amount of water enters the second exhaust pipe, the sponge will be saturated, and then the excess water will drip from the sponge. The immersion sensor will transmit the leakage information to the external PLC, and then the cylinder, the first solenoid valve, and the second solenoid valve will be started at the same time. The cylinder uses a pressure plate to press the water out of the sponge, and then the liquid water flows from the leak to the drain pipe, and then is discharged from the drain pipe. During this process, the first solenoid valve has closed the exhaust pipe, effectively preventing water from entering the pump body. This product has an automatic drainage function, which is convenient for the subsequent normal operation of the pump body.

[0016] 2. In the utility model, a small amount of water entering the second exhaust pipe will be absorbed by the sponge, which will not affect the use of the pump body and will not cause water backflow. Then, a small amount of water in the sponge will evaporate due to the high temperature of the automobile engine when it is working, thereby improving the safety of the pump body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the emptying module of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the transition box of the utility model;

[0020] Figure 4 The utility model is a schematic diagram of the connection relationship between the water receiving box, sponge, cylinder and pressing plate.

[0021] Reference numerals:

[0022] 100, exhaust module; 110, pump body; 120, exhaust pipe 1; 130, transition box; 140, exhaust pipe 2;

[0023] 200, waterproof module; 210, water collection box; 220, sponge; 230, cylinder; 240, pressure plate; 250, leak; 260, liquid immersion sensor; 270, first solenoid valve; 280, drain pipe; 290, second solenoid valve. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0025] It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the present invention.

[0026] A waterproof vacuum pump provided by some embodiments of the utility model is described below in conjunction with the accompanying drawings. Embodiment 1

[0027] Combination Figure 1-4 As shown, the utility model provides a waterproof vacuum pump, including an emptying module 100 and a waterproof module 200, wherein the emptying module 100 includes a pump body 110, an exhaust pipe 120 connected to the pump body 110, a transition box 130 connected to the exhaust pipe 120, and an exhaust pipe 2 140 connected to the transition box 130;

[0028] The waterproof module 200 includes a water receiving box 210 installed inside the transition box 130, a sponge 220 filled in the water receiving box 210, a cylinder 230 passing through the top of the transition box 130, a pressure plate 240 connected to the movable end of the cylinder 230, two leaks 250 opened at the bottom of the inner cavity of the water receiving box 210, a liquid immersion sensor 260 installed at the top of the inner cavity of the exhaust pipe 120, a first solenoid valve 270 installed on the exhaust pipe 120, a drain pipe 280 connected to and communicated with the transition box 130, and a second solenoid valve 290 installed on the drain pipe 280.

[0029] Furthermore, the first exhaust pipe 120, the transition box 130, and the second exhaust pipe 140 are interconnected, and the first exhaust pipe 120 is connected to the inside of the pump body 110. With this structural design, the pump body 110 can work normally.

[0030] Furthermore, the exhaust pipe 120 and the exhaust pipe 2 140 are made of the same material, and both are configured to be curved and use the same material, which reduces the material selection energy when manufacturing the exhaust pipe 120 and the exhaust pipe 2 140 .

[0031] Furthermore, the width of the water receiving box 210 is smaller than the width of the transition box 130 . With this size design, the air discharged from the pump body 110 can smoothly pass between the water receiving box 210 and the transition box 130 , allowing the gas to be smoothly discharged from the second exhaust pipe 140 .

[0032] Furthermore, the pressing plate 240 is configured to be U-shaped, and the bottom of the pressing plate 240 fits with the top of the sponge 220 . With this shape design, the pressing plate 240 will not prevent liquid water from soaking the sponge 220 . Embodiment 2

[0033] Combination Figure 4 As shown, based on the first embodiment, the bottom of the inner cavity of the water collecting box 210 is set as a "∧" surface, and the two leakage ports 250 are respectively located on the front and rear sides of the "∧". With this shape design, the water squeezed out of the sponge 220 can flow smoothly to the two leakage ports 250, preventing liquid water from entering the top of the exhaust pipe 120. Embodiment 3

[0034] Combination Figure 1-4 As shown, in the above embodiment, the first solenoid valve 270 and the second solenoid valve 290 are connected in series, and the cylinder 230, the liquid immersion sensor 260, and the first solenoid valve 270 are all electrically connected to the external PLC, and the external PLC refers to: the vehicle-mounted system. Then, this structural design is adopted to make the application more intelligent and convenient to use.

[0035] The working principle and use process of the utility model are as follows: in the initial state, the first electromagnetic valve 270 is in the open state, and the exhaust pipe 120 can flow normally. Then the second electromagnetic valve 290 is in the closed state, and the drain pipe 280 is blocked. Then when the device is put into actual use, a small amount of water enters the exhaust pipe 140 and is absorbed by the sponge 220. This will not affect the use of the pump body 110, and there will be no water backflow. Then a small amount of water in the sponge 220 will evaporate due to the high temperature of the automobile engine when it is working. Then when a large amount of water enters the exhaust pipe 140, the sponge 220 will Saturation, then excess water drips from the sponge 220 and contacts the immersion sensor 260, then the detection information is transmitted to the external PLC, then the cylinder 230, the first solenoid valve 270, and the second solenoid valve 290 are started at the same time, the cylinder 230 uses the pressure plate 240 to press the water in the sponge 220, and then the liquid water flows from the leak 250 to the drain pipe 280, and then is discharged from the drain pipe 280. During this process, the first solenoid valve 270 has closed the exhaust pipe 120, effectively preventing water from entering the pump body 110, and has an automatic drainage function, which facilitates the subsequent normal operation of the pump body 110.

[0036] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A waterproof vacuum pump, characterized in that: include: The exhaust module (100) comprises a pump body (110), an exhaust pipe (120) connected to the pump body (110), a transition box (130) connected to the exhaust pipe (120), and an exhaust pipe (140) connected to the transition box (130); The waterproof module (200) comprises a water receiving box (210) installed inside the transition box (130), a sponge (220) filled inside the water receiving box (210), a cylinder (230) penetrating the top of the transition box (130), a pressure plate (240) connected to the movable end of the cylinder (230), two leaks (250) opened at the bottom of the inner cavity of the water receiving box (210), a liquid immersion sensor (260) installed at the top of the inner cavity of the exhaust pipe (120), a first solenoid valve (270) installed on the exhaust pipe (120), a drainage pipe (280) connected to and in communication with the transition box (130), and a second solenoid valve (290) installed on the drainage pipe (280).

2. A waterproof vacuum pump according to claim 1, characterized in that: The first exhaust pipe (120), the transition box (130), and the second exhaust pipe (140) are interconnected, and the first exhaust pipe (120) is connected to the interior of the pump body (110).

3. A waterproof vacuum pump according to claim 1, characterized in that: The first exhaust pipe (120) and the second exhaust pipe (140) are made of the same material, and both are arranged in a curved shape.

4. A waterproof vacuum pump according to claim 1, characterized in that: The width of the water receiving box (210) is smaller than the width of the transition box (130).

5. A waterproof vacuum pump according to claim 1, characterized in that: The bottom of the inner cavity of the water receiving box (210) is arranged as a "∧" surface, and the two leakage openings (250) are respectively located at the front and rear sides of the "∧".

6. A waterproof vacuum pump according to claim 1, characterized in that: The pressing plate (240) is configured to be U-shaped, and the bottom of the pressing plate (240) is in contact with the top of the sponge (220).

7. A waterproof vacuum pump according to claim 1, characterized in that: The first solenoid valve (270) and the second solenoid valve (290) are connected in series, and the cylinder (230), the liquid immersion sensor (260), and the first solenoid valve (270) are all electrically connected to an external PLC.

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