Portable negative pressure drainage tool special for fuel gas emergency repair

By introducing a safe negative pressure mechanism and a convenient turnover mechanism into the gas emergency repair tool, the problem of insufficient heat dissipation of traditional tools has been solved, and the stable operation and portable use of the air pump have been achieved.

CN223511208UActive Publication Date: 2025-11-04YIXING HONG KONG & CHINA GAS CO LTD
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Patent Information

Application Number
CN202422943321.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-11-04
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

Traditional negative pressure drainage tools lack effective heat dissipation during gas emergency repairs, resulting in poor stability of the pump when operating under high load.

Method used

A portable negative pressure drainage tool was designed, which includes a safe negative pressure mechanism and a convenient turnover mechanism. The gas output by the air pump is guided to the inner cavity of the flat tube and cooled by a cooler. It is combined with adjustable rollers and a lifting base for easy carrying and pushing.

Benefits of technology

It achieves effective heat dissipation for the air pump, enhances operational stability, and improves ease of use through a convenient portable design.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223511208U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of drainage tools, and discloses a special portable negative pressure drainage tool based on gas first-aid repair, which comprises a negative pressure water storage tank, a safe negative pressure mechanism is arranged at the top of the negative pressure water storage tank, a convenient turnover mechanism is arranged on the negative pressure water storage tank, and the safe negative pressure mechanism comprises a support table. Through the overall design of the safety type negative pressure mechanism, air output by the air extracting pump can be guided into the inner cavity of the flat pipe, then the air is conveyed to the outer surface of the air extracting pump, the function of heat dissipation treatment on the air extracting pump is achieved, meanwhile, the air can be selectively cooled, the heat dissipation capacity is enhanced, and the service life of the air extracting pump is prolonged. And through the overall design of the convenient turnover mechanism, a user can conveniently hold and carry the structure, and meanwhile, the structure can be conveniently pushed and turned over after water is stored in the negative pressure water storage tank.
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Description

TECHNICAL FIELD

[0001] The utility model relates to drainage tool technical field, specifically, relate to a portable negative pressure drainage tool based on gas repair special. BACKGROUND

[0002] Gas repair refers to in gas leakage, fire and other emergency situations, take emergency measures, quickly control and eliminate the accident, important means of guaranteeing people's life and property safety. The main purpose of gas repair is to ensure the safe operation of gas facilities, prevent fire, explosion and other accidents.

[0003] In the process of gas repair, if the inside of the repair environment exists accumulated water, then needs to use drainage tool, present more adopts negative pressure drainage tool to handle accumulated water, the traditional negative pressure drainage tool does not have the function of heat dissipation to pump body, if accumulated water quantity is larger, the heat generated by pump machine continuous operation is more, is extremely easy to influence the stability of pump body work. UTILITY MODEL CONTENT

[0004] The utility model discloses a portable negative pressure drainage tool based on gas repair special, solve the problem that the heat dissipation capacity of pump machine itself is poor in the prior art.

[0005] The utility model provides the following technical scheme: a portable negative pressure drainage tool based on gas repair special, including negative pressure water storage jar, the top of negative pressure water storage jar is provided with safe type negative pressure mechanism, is provided with convenient turnover mechanism on the negative pressure water storage jar.

[0006] The safe type negative pressure mechanism includes support platform, the support platform is fixedly installed at the top of negative pressure water storage jar, the top of support platform is fixedly installed with suction pump, the top of support platform is fixedly installed with support block, the top of support block is fixedly installed with strip shape pipe, the right side of strip shape pipe is opened with round hole, the left side of strip shape pipe is fixedly connected with cross pipe, the left side of cross pipe is fixedly connected with hollow block, the inner wall of hollow block is fixedly installed with arc net, the right side of strip shape pipe is fixedly connected with flat tube, the top of flat tube is fixedly installed with refrigerator.

[0007] As the preferred technical scheme, the air inlet end of the support platform is fixedly connected with the top of the negative pressure water storage tank, the exhaust end of the support platform is fixedly connected with a tee pipe, and the left side of the tee pipe is fixedly connected with an exhaust valve.

[0008] As the preferred technical scheme, the right side of the tee pipe is fixedly connected with a transfer valve, the right side of the transfer valve is fixedly connected with a transfer pipe, and the end of the transfer pipe away from the transfer valve is fixedly connected with the top of the flat tube.

[0009] Through the above technical solution, by combining the transfer pipe and the transfer valve, the gas output by the air pump can be utilized, thereby reducing energy consumption.

[0010] As a preferred embodiment of the above technical solution, the top of the negative pressure water storage tank is fixedly connected to a water inlet, the top of the water inlet is threadedly connected to a water suction pipe, and the bottom of the negative pressure water storage tank is fixedly connected to a drain valve.

[0011] The above technical solution, through the design of the water inlet, water pumping pipe and drain valve, facilitates the extraction and discharge of accumulated water by the negative pressure water storage tank.

[0012] As a preferred embodiment of the above technical solution, the convenient turnover mechanism includes a handle and a support leg, wherein the handle is welded to the top of the negative pressure water tank and the support leg is welded to the bottom of the negative pressure water tank.

[0013] The above technical solution, through the design of the handle, makes it easy for users to carry this structure.

[0014] As a preferred embodiment of the above technical solution, a protruding seat is fixedly installed on the side of the support leg, a limit rod is slidably connected to the inner wall of the protruding seat, a lifting seat is fixedly installed at the bottom of the limit rod, and a roller is fixedly installed at the bottom of the lifting seat.

[0015] The above technical solution, through the design of the limit rod, can limit the vertical movement of the lifting seat and rollers.

[0016] As a preferred embodiment of the above technical solution, an air cylinder is fixedly installed on the top of the protruding seat, a valve is fixedly connected to the top of the air cylinder, a sliding block is slidably connected to the inner wall of the air cylinder, an extension shaft is fixedly installed at the bottom of the sliding block, and the bottom of the extension shaft extends to the bottom of the protruding seat and is fixedly connected to the top of the lifting seat.

[0017] The above technical solution, through the cooperation of air cylinder, valve, sliding block and extension shaft, allows users to easily adjust the height of the roller relative to the support leg using gas.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] This utility model, through the overall design of a safe negative pressure mechanism, guides the air output from the vacuum pump into the inner cavity of the flat tube, thereby delivering the air to the outer surface of the vacuum pump. This achieves the function of heat dissipation for the vacuum pump, and can selectively cool the air to enhance its heat dissipation capacity, further ensuring the stability of the vacuum pump's operation. The overall design of the convenient turnover mechanism makes it easy for users to hold and carry the structure. It also facilitates the movement of the structure after water is stored in the negative pressure water tank, making it convenient for users to use. Attached Figure Description

[0020] Figure 1 This is a perspective view of the present utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the safety negative pressure mechanism of this utility model;

[0022] Figure 3 This is a schematic diagram of the right side structure of the strip tube of this utility model;

[0023] Figure 4 This is a cross-sectional structural diagram of the air cylinder of this utility model.

[0024] In the diagram: 1. Negative pressure water storage tank; 11. Water inlet; 12. Pumping pipe; 13. Drain valve; 2. Safety negative pressure mechanism; 21. Support platform; 22. Air pump; 23. T-connector; 24. Exhaust valve; 25. Transfer valve; 26. Transfer pipe; 27. Support block; 271. Strip tube; 272. Round hole; 273. Horizontal tube; 274. Hollow block; 275. Arc-shaped mesh; 276. Flat tube; 277. Refrigerator; 3. Convenient turnover mechanism; 31. Handle; 32. Support leg; 33. Protruding seat; 34. Limiting rod; 35. Lifting seat; 36. Roller; 37. Air pump; 371. Valve; 372. Sliding block; 373. Extension shaft. Detailed Implementation

[0025] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0026] like Figures 1-4As shown, this utility model provides a technical solution: a portable negative pressure drainage tool specifically for gas emergency repairs, including a negative pressure water tank 1. A safety negative pressure mechanism 2 is installed on the top of the negative pressure water tank 1. A convenient turnover mechanism 3 is also provided on the negative pressure water tank 1. The safety negative pressure mechanism 2 includes a support platform 21, which is fixedly installed on the top of the negative pressure water tank 1. A vacuum pump 22 is fixedly installed on the top of the support platform 21. A support block 27 is fixedly installed on the top of the support platform 21. A strip tube 271 is fixedly installed on the top of the support block 27. A circular hole 272 is opened on the right side of the strip tube 271. A horizontal tube 273 is fixedly connected to the left side of the strip tube 271. A hollow block 274 is fixedly connected to the left side of the horizontal tube 273. An arc-shaped mesh 275 is fixedly installed on the inner wall of the hollow block 274. The right side of the strip tube 271 is fixed... A flat tube 276 is connected, and a cooler 277 is fixedly installed on the top of the flat tube 276. Gas output from the vacuum pump 22 can be introduced into the flat tube 276 through the transfer pipe 26. The gas then passes through the strip tube 271 and the horizontal tube 273 into the inner cavity of the hollow block 274, and then passes through the arc mesh 275 to be transported relatively evenly to the outer surface of the vacuum pump 22, thereby achieving the function of heat dissipation for the vacuum pump 22. If the ambient temperature is high, the cooler 277 is controlled to work. The cooler 277 is an existing semiconductor cooling device. The cold end of the cooler 277 is attached to the flat tube 276, which can cool the air passing through the flat tube 276 and improve the heat dissipation effect. Some of the air inside the strip tube 271 will be output to the right through the round hole 272 to dissipate heat from the hot end of the cooler 277 and ensure the cooling effect of the cooler 277.

[0027] As one implementation method in this embodiment, such as Figure 2 , Figure 3 As shown, the air inlet of the support platform 21 is fixedly connected to the top of the negative pressure water storage tank 1. A three-way pipe 23 is fixedly connected to the exhaust end of the support platform 21. An exhaust valve 24 is fixedly connected to the left side of the three-way pipe 23, and a transfer valve 25 is fixedly connected to the right side of the three-way pipe 23. A transfer pipe 26 is fixedly connected to the right side of the transfer valve 25. The end of the transfer pipe 26 away from the transfer valve 25 is fixedly connected to the top of the flat pipe 276. A water inlet 11 is fixedly connected to the top of the negative pressure water storage tank 1. A water suction pipe 12 is threadedly connected to the top of the water inlet 11. A drain valve is fixedly connected to the bottom of the negative pressure water storage tank 1. 13. Connect the appropriate length of the water pumping pipe 12 to the water inlet 11, then move the end of the water pumping pipe 12 to the water accumulation point for emergency repair, control the air pump 22 to work and extract the gas inside the negative pressure water storage tank 1, so that the inside of the negative pressure water storage tank 1 is negative pressure, and the accumulated water can be pumped into the inner cavity of the negative pressure water storage tank 1. Close the transfer valve 25 and open the exhaust valve 24, so that the gas output by the air pump 22 can be discharged through the exhaust valve 24. Open the transfer valve 25 and close the exhaust valve 24, so that the gas can be introduced into the flat pipe 276 through the transfer pipe 26 to facilitate the heat dissipation of the air pump 22.

[0028] As one implementation method in this embodiment, such as Figure 1 , Figure 4 As shown, the convenient turnover mechanism 3 includes a handle 31 and a support leg 32. The handle 31 is welded to the top of the negative pressure water tank 1, and the support leg 32 is welded to the bottom of the negative pressure water tank 1. A protruding seat 33 is fixedly installed on the side of the support leg 32. A limit rod 34 is slidably connected to the inner wall of the protruding seat 33. A lifting seat 35 is fixedly installed at the bottom of the limit rod 34. A roller 36 is fixedly installed at the bottom of the lifting seat 35. An air cylinder 37 is fixedly installed on the top of the protruding seat 33. A valve 371 is fixedly connected to the top of the air cylinder 37. A sliding block 372 is slidably connected to the inner wall of the air cylinder 37. An extension shaft 37 is fixedly installed at the bottom of the sliding block 372. 3. The bottom of the extension shaft 373 extends to the bottom of the protrusion 33 and is fixedly connected to the top of the lifting seat 35. When there is no water stored in the negative pressure water tank 1, the user can hold and carry this structure from the handle 31. After water is stored in the negative pressure water tank 1, it can be connected to the exhaust valve 24 and valve 371 through the external air pipe. The transfer valve 25 is closed and the exhaust valve 24 and strip pipe 271 are opened. Then, the air pump 22 works to deliver gas into the air cylinder 37. The gas can push the sliding block 372 down and cause the lifting seat 35 to move down. The roller 36 supports this structure, which is convenient for pushing and turning this structure.

[0029] Working principle: When in use, connect the appropriate length of the water suction pipe 12 to the water inlet 11, then move the end of the water suction pipe 12 to the water accumulation point, control the air pump 22 to work and extract the gas inside the negative pressure water storage tank 1, so that the inside of the negative pressure water storage tank 1 is negatively pressured, thereby pumping the accumulated water into the inner cavity of the negative pressure water storage tank 1. If it is necessary to cool the air pump 22, open the transfer valve 25 and close the exhaust valve 24. The gas output by the air pump 22 can be introduced into the flat pipe 276 through the transfer pipe 26 to facilitate the cooling of the air pump 22. After the drainage is completed, control the drain valve 13 to open, so that the water inside the negative pressure water storage tank 1 can be released.

[0030] The above embodiments are only used to illustrate the technical solution of this utility model, and are not intended to limit it.

Claims

1. A portable negative pressure drainage tool specifically designed for gas emergency repairs, comprising a negative pressure water storage tank (1), characterized in that: The top of the negative pressure water storage tank (1) is provided with a safety negative pressure mechanism (2), and the negative pressure water storage tank (1) is provided with a convenient turnover mechanism (3). The safety negative pressure mechanism (2) includes a support platform (21), which is fixedly installed on the top of the negative pressure water storage tank (1). A vacuum pump (22) is fixedly installed on the top of the support platform (21). A support block (27) is fixedly installed on the top of the support platform (21). A strip tube (271) is fixedly installed on the top of the support block (27). A round hole (272) is opened on the right side of the strip tube (271). A horizontal tube (273) is fixedly connected to the left side of the strip tube (271). A hollow block (274) is fixedly connected to the left side of the horizontal tube (273). An arc-shaped mesh (275) is fixedly installed on the inner wall of the hollow block (274). A flat tube (276) is fixedly connected to the right side of the strip tube (271). A cooler (277) is fixedly installed on the top of the flat tube (276).

2. The portable negative pressure drainage tool specifically designed for gas emergency repairs according to claim 1, characterized in that: The air inlet of the support platform (21) is fixedly connected to the top of the negative pressure water tank (1), and the exhaust end of the support platform (21) is fixedly connected to a three-way pipe (23). An exhaust valve (24) is fixedly connected to the left side of the three-way pipe (23).

3. The portable negative pressure drainage tool specifically designed for gas emergency repairs according to claim 2, characterized in that: A transfer valve (25) is fixedly connected to the right side of the three-way pipe (23), and a transfer pipe (26) is fixedly connected to the right side of the transfer valve (25). The end of the transfer pipe (26) away from the transfer valve (25) is fixedly connected to the top of the flat pipe (276).

4. The portable negative pressure drainage tool specifically designed for gas emergency repairs according to claim 1, characterized in that: The top of the negative pressure water storage tank (1) is fixedly connected to a water inlet (11), the top of the water inlet (11) is threadedly connected to a water pump (12), and the bottom of the negative pressure water storage tank (1) is fixedly connected to a drain valve (13).

5. A portable negative pressure drainage tool specifically designed for gas emergency repairs according to claim 1, characterized in that: The convenient turnover mechanism (3) includes a handle (31) and a support leg (32). The handle (31) is welded to the top of the negative pressure water tank (1), and the support leg (32) is welded to the bottom of the negative pressure water tank (1).

6. A portable negative pressure drainage tool specifically designed for gas emergency repairs, as described in claim 5, characterized in that: A protruding seat (33) is fixedly installed on the side of the support leg (32). A limiting rod (34) is slidably connected to the inner wall of the protruding seat (33). A lifting seat (35) is fixedly installed at the bottom of the limiting rod (34). A roller (36) is fixedly installed at the bottom of the lifting seat (35).

7. A portable negative pressure drainage tool specifically designed for gas emergency repairs, as described in claim 6, characterized in that: An air cylinder (37) is fixedly installed on the top of the protrusion (33), and a valve (371) is fixedly connected to the top of the air cylinder (37). A sliding block (372) is slidably connected to the inner wall of the air cylinder (37), and an extension shaft (373) is fixedly installed at the bottom of the sliding block (372). The bottom of the extension shaft (373) extends to the bottom of the protrusion (33) and is fixedly connected to the top of the lifting seat (35).