Roots vacuum pump with external cooling device

By designing a Roots vacuum pump with an external cooling device, using a variety of cooling methods and shock absorption measures, the existing Roots vacuum pump has solved the problem of high noise and poor cooling effect, and achieved stable operation of the equipment within a reasonable temperature range, extending service life and reducing noise.

CN222894375UActive Publication Date: 2025-05-23ZIBO ZHONGLI ELECTROMECHANICAL CO LTD
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Patent Information

Application Number
CN202420715915.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-09
Publication Date
2025-05-23
Estimated Expiration
2034-04-09

AI Technical Summary

Technical Problem

The existing Roots vacuum pump with external cooling devices has problems of high noise and poor cooling effect in actual work, which affects the working environment and equipment stability.

Method used

A Roots vacuum pump with an external cooling device is designed, and adopts a combined structure of box assembly, heat dissipation assembly and internal assembly, including cooling box, centrifugal heat dissipation fan, shock absorbing spring, damper, exhaust pipe and spray head, etc., to improve cooling effect and reduce noise through a variety of cooling methods and shock absorbing measures.

Benefits of technology

It effectively reduces the heat generated by the Roots vacuum pump during operation, prevents overheating of the pump body and internal components, ensures that the equipment operates stably within a reasonable temperature range, extends the service life of the equipment, reduces maintenance and replacement costs, and at the same time reduces noise and improves the working environment.

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Abstract

The utility model discloses a roots vacuum pump with an external cooling device, which relates to the technical field of construction steel pipe bearing frames and comprises a box component, a radiating component and an internal component. The box body assembly comprises a cooling box, two centrifugal heat dissipation fans are arranged in the cooling box, the heat dissipation assembly comprises a vacuum pump main body, an air inlet pipe is installed at the top of the vacuum pump main body, an air outlet pipe is installed at the bottom of the vacuum pump main body, and a plurality of heat dissipation fins are arranged outside the vacuum pump main body; the inner assembly comprises a fixing plate, two rotors are installed on one side of the fixing plate, and two flow guide plates are installed on one side of the fixing plate. Heat generated in the operation process of the roots vacuum pump can be dissipated into the environment through the two exhaust pipes, the pump body and the inner assembly are prevented from being overheated, and the service life of the roots vacuum pump is prolonged. And stable operation of equipment in a working temperature range is ensured, and the problems of performance reduction and part abrasion caused by overheating are avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of construction steel pipe load-bearing frames, in particular to a Roots vacuum pump with an external cooling device. Background Art

[0002] Roots vacuum pumps with external cooling devices are usually designed to help dissipate heat from the pump body, ensuring that it maintains a suitable operating temperature while operating efficiently. The following are some common external cooling device structure designs, which can be used alone or in combination, depending on the working conditions of the pump, environmental requirements and user preferences.

[0003] However, in the prior art, the existing cooling device has no anti-vibration component in actual operation, and the motor generates vibration when running at high speed, thus generating relatively large noise, affecting the working environment, and the cooling effect of the device is poor, and the heat dissipation effect is not good. Utility Model Content

[0004] The utility model aims to solve the problems existing in the above-mentioned prior art and proposes a Roots vacuum pump with an external cooling device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a Roots vacuum pump with an external cooling device, comprising a box assembly, a heat dissipation assembly and an internal assembly; the box assembly comprises a cooling box, two centrifugal heat dissipation fans are arranged inside the cooling box, an air outlet is arranged at the bottom of the cooling box, two groups of shock-absorbing springs are installed at the bottom of the cooling box, two groups of dampers are installed on one side of the two groups of shock-absorbing springs, two groups of shock-absorbing blocks are installed on the outer wall of the two groups of shock-absorbing springs, an air inlet is arranged at the top of the cooling box, two circular holes are arranged at the top of the cooling box, two exhaust pipes are arranged inside the two circular holes, two connecting pipes are arranged on the outer wall of the two exhaust pipes, and multiple spray heads are arranged inside the two exhaust pipes; the heat dissipation assembly comprises a vacuum pump body, an air inlet pipe is arranged at the top of the vacuum pump body, an air outlet pipe is arranged at the bottom of the vacuum pump body, and multiple heat dissipation fins are arranged outside the vacuum pump body; the internal assembly comprises a fixing plate, two rotors are installed on one side of the fixing plate, and two guide plates are installed on one side of the fixing plate.

[0006] Preferably, the air outlet is communicated with the interior of the cooling box, the two groups of dampers are fixedly installed with the two groups of shock absorbing springs, and the two groups of shock absorbing blocks are fixedly installed with the two groups of shock absorbing springs.

[0007] Preferably, the air inlet is connected to the interior of the cooling box, the two exhaust pipes are connected to the interior of the cooling box, and the two connecting pipes are connected to the interiors of the two exhaust pipes.

[0008] Preferably, two valve switches are installed on one side of the two connecting pipes, the two valve switches are movably installed with the two connecting pipes, and the plurality of spray heads are connected with the inside of the two connecting pipes.

[0009] Preferably, the air inlet pipe is connected to the interior of the vacuum pump body, and the air outlet pipe is connected to the interior of the vacuum pump body.

[0010] Preferably, the plurality of heat dissipation fins are fixedly connected to the vacuum pump body, the two rotors are rotatably connected to the fixing plate, and the two guide plates are fixedly mounted to the fixing plate.

[0011] Preferably, the fixing plate is fixedly mounted on the vacuum pump body, the two rotors are embedded and connected to the vacuum pump body, the air inlet pipe is sleeve-connected to the air inlet, the air outlet is sleeve-connected to the air outlet pipe, and the vacuum pump body is embedded and mounted on the cooling box.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, two exhaust pipes are provided to dissipate the heat generated by the Roots vacuum pump during operation into the environment, thereby preventing the pump body and internal components from overheating, ensuring that the equipment operates stably within the operating temperature range, and avoiding performance degradation and component wear caused by overheating.

[0014] 2. In the utility model, appropriate cooling can reduce the risk of aging and damage to the internal materials of the pump due to high temperature, thereby extending the service life of the equipment, reducing maintenance and replacement costs, and improving operating efficiency. At the same time, the motor will shake during operation, affecting the stable use of the pump body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model provides a schematic diagram of the overall structure of a Roots vacuum pump with an external cooling device;

[0016] Figure 2 The utility model provides a structural schematic diagram of a box assembly of a Roots vacuum pump with an external cooling device;

[0017] Figure 3 The utility model provides a schematic structural diagram of a heat dissipation assembly of a Roots vacuum pump with an external cooling device;

[0018] Figure 4 The utility model provides a structural schematic diagram of the internal components of a Roots vacuum pump with an external cooling device.

[0019] Legend: 1. Box assembly; 101. Cooling box; 102. Centrifugal cooling fan; 103. Air outlet; 104. Shock-absorbing spring; 105. Shock-absorbing block; 106. Air inlet; 107. Exhaust pipe; 108. Connecting pipe; 109. Valve switch; 110. Spray head; 2. Heat dissipation assembly; 201. Vacuum pump body; 202. Air inlet pipe; 203. Air outlet pipe; 204. Cooling fins; 3. Internal assembly; 301. Fixing plate; 302. Rotor; 303. Guide plate. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Embodiment 1, as Figure 1-Figure 4 As shown, the utility model provides a Roots vacuum pump with an external cooling device, comprising a box assembly 1, a heat dissipation assembly 2 and an internal assembly 3; the box assembly 1 comprises a cooling box 101, two centrifugal heat dissipation fans 102 are arranged inside the cooling box 101, an air outlet 103 is provided at the bottom of the cooling box 101, two groups of shock absorbing springs 104 are installed at the bottom of the cooling box 101, two groups of dampers are installed on one side of the two groups of shock absorbing springs 104, two groups of shock absorbing blocks 105 are installed on the outer wall of the two groups of shock absorbing springs 104, an air inlet 106 is provided at the top of the cooling box 101, and two A circular hole is provided, two exhaust pipes 107 are arranged inside the two circular holes, two connecting pipes 108 are arranged on the outer wall of the two exhaust pipes 107, and a plurality of spray heads 110 are arranged inside the two exhaust pipes 107; the heat dissipation component 2 includes a vacuum pump body 201, an air inlet pipe 202 is installed on the top of the vacuum pump body 201, an air outlet pipe 203 is installed on the bottom of the vacuum pump body 201, and a plurality of heat dissipation fins 204 are arranged outside the vacuum pump body 201; the internal component 3 includes a fixed plate 301, two rotors 302 are installed on one side of the fixed plate 301, and two guide plates 303 are installed on one side of the fixed plate 301.

[0023] The effect achieved by the entire embodiment 1 is that two centrifugal cooling fans 102 are arranged inside the cooling box 101, an air outlet 103 is arranged at the bottom of the cooling box 101, two groups of shock-absorbing springs 104 are installed at the bottom of the cooling box 101, two groups of dampers are installed on one side of the two groups of shock-absorbing springs 104, and two groups of shock-absorbing blocks 105 are installed on the outer wall of the two groups of shock-absorbing springs 104. The motor will vibrate during operation, which will affect the service life of the internal components over time. An air inlet 106 is arranged on the top of the cooling box 101, and two circular holes are arranged on the top of the cooling box 101. Two exhaust pipes 107 are arranged inside the two circular holes, and two connecting pipes 108 are arranged on the outer walls of the two exhaust pipes 107. A plurality of spray heads 110 are arranged inside the two exhaust pipes 107; air enters from the two exhaust pipes 107, is blown by the two centrifugal cooling fans 102, and the air circulates, and then is discharged from the two exhaust pipes 107. The exhaust gas is discharged from the pipe 107, and the two valve switches 109 are opened. By spraying a small amount of water mist or coolant, the exhaust temperature is lowered by utilizing the principle of heat absorption by liquid evaporation, and the heat is dissipated outside the pump body. An air inlet pipe 202 is installed on the top of the vacuum pump body 201, and an air outlet pipe 203 is installed at the bottom of the vacuum pump body 201. Air enters the pump body from the air inlet pipe 202. Two guide plates 303 play a role in guiding and dissipating heat, so that the internal heat is discharged from the air outlet pipe 203. A plurality of cooling fins 204 are arranged on the outside of the vacuum pump body 201, two rotors 302 are installed on one side of the fixed plate 301, and two guide plates 303 are installed on one side of the fixed plate 301. The two exhaust pipes 107 can dissipate the heat generated by the Roots vacuum pump during operation into the environment, prevent the pump body and internal parts from overheating, ensure that the equipment operates stably within the working temperature range, and avoid performance degradation and component wear problems caused by overheating.

[0024] Embodiment 2, as Figure 1-Figure 4As shown, the air outlet 103 is connected to the interior of the cooling box 101, two groups of dampers are fixedly installed with the two groups of shock absorbing springs 104, two groups of shock absorbing blocks 105 are fixedly installed with the two groups of shock absorbing springs 104, the air inlet 106 is connected to the interior of the cooling box 101, two exhaust pipes 107 are connected to the interior of the cooling box 101, two connecting pipes 108 are connected to the interior of the two exhaust pipes 107, two valve switches 109 are installed on one side of the two connecting pipes 108, the two valve switches 109 are movably installed with the two connecting pipes 108, and a plurality of spray heads 110 are connected to the interior of the two connecting pipes 108. The air inlet pipe 202 is connected to the interior of the vacuum pump body 201, the air outlet pipe 203 is connected to the interior of the vacuum pump body 201, a plurality of heat dissipation fins 204 are fixedly connected to the vacuum pump body 201, two rotors 302 are rotatably connected to the fixed plate 301, two guide plates 303 are fixedly installed on the fixed plate 301, the fixed plate 301 is fixedly installed on the vacuum pump body 201, the two rotors 302 are embedded in the vacuum pump body 201, the air inlet pipe 202 is sleeve-connected to the air inlet port 106, the air outlet port 103 is sleeve-connected to the air outlet pipe 203, and the vacuum pump body 201 is embedded in the cooling box 101.

[0025] The effect achieved by the entire embodiment 2 is that the air outlet 103 is connected to the interior of the cooling box 101, the two groups of dampers are fixedly installed with the two groups of shock absorbing springs 104, the two groups of shock absorbing blocks 105 are fixedly installed with the two groups of shock absorbing springs 104, the air inlet 106 is connected to the interior of the cooling box 101, the two exhaust pipes 107 are connected to the interior of the cooling box 101, the two connecting pipes 108 are connected to the interior of the two exhaust pipes 107, two valve switches 109 are installed on one side of the two connecting pipes 108, the two valve switches 109 are movably installed with the two connecting pipes 108, a plurality of spray heads 110 are connected to the interior of the two connecting pipes 108, the air inlet pipe 202 is connected to the interior of the vacuum pump body 201, and the air outlet pipe 203 is connected to the vacuum pump body 2 01 is internally interconnected, a plurality of heat dissipation fins 204 are fixedly connected to the vacuum pump body 201, two rotors 302 are rotatably connected to the fixed plate 301, two guide plates 303 are fixedly installed to the fixed plate 301, the fixed plate 301 is fixedly installed to the vacuum pump body 201, the two rotors 302 are embedded in the vacuum pump body 201, the air inlet pipe 202 is sleeve-connected to the air inlet 106, the air outlet 103 is sleeve-connected to the air outlet pipe 203, the vacuum pump body 201 is embedded in the cooling box 101, and suitable cooling can reduce the risk of aging and damage of the internal materials of the pump due to high temperature, thereby extending the service life of the equipment, reducing maintenance and replacement costs, and improving operating efficiency. At the same time, the motor will shake when it moves during work, affecting the stable use of the pump body.

[0026] Working principle: two centrifugal cooling fans 102 are arranged inside the cooling box 101, an air outlet 103 is arranged at the bottom of the cooling box 101, two groups of shock-absorbing springs 104 are installed at the bottom of the cooling box 101, two groups of dampers are installed on one side of the two groups of shock-absorbing springs 104, and two groups of shock-absorbing blocks 105 are installed on the outer wall of the two groups of shock-absorbing springs 104. The motor will vibrate during operation, which will affect the service life of the internal components over time. An air inlet 106 is arranged at the top of the cooling box 101, two circular holes are arranged at the top of the cooling box 101, two exhaust pipes 107 are arranged inside the two circular holes, two connecting pipes 108 are arranged on the outer wall of the two exhaust pipes 107, and a plurality of spray heads 110 are arranged inside the two exhaust pipes 107;The air enters from the two exhaust pipes 107, is blown by the two centrifugal cooling fans 102, so that the air circulates, and is then discharged from the two exhaust pipes 107. The two valve switches 109 are opened, and a small amount of water mist or coolant is sprayed to reduce the exhaust temperature by utilizing the principle of heat absorption by liquid evaporation, so as to dissipate heat outside the pump body. An air inlet pipe 202 is installed on the top of the vacuum pump body 201, and an air outlet pipe 203 is installed at the bottom of the vacuum pump body 201. The air enters the pump body from the air inlet pipe 202. The two guide plates 303 play a role in guiding and dissipating heat, so that the internal heat is discharged from the air outlet pipe 203. The vacuum pump body 2 01 is provided with a plurality of heat dissipation fins 204 on the outside, two rotors 302 are installed on one side of the fixing plate 301, two guide plates 303 are installed on one side of the fixing plate 301, and two exhaust pipes 107 are provided to dissipate the heat generated by the Roots vacuum pump during operation into the environment to prevent the pump body and internal parts from overheating, ensure that the equipment operates stably within the working temperature range, and avoid performance degradation and component wear problems caused by overheating. The air outlet 103 is connected to the inside of the cooling box 101, two groups of dampers are fixedly installed with two groups of shock absorbing springs 104, two groups of shock absorbing blocks 105 are fixedly installed with two groups of shock absorbing springs 104, and the air inlet 1 06 is connected to the interior of the cooling box 101, two exhaust pipes 107 are connected to the interior of the cooling box 101, two connecting pipes 108 are connected to the interior of the two exhaust pipes 107, two valve switches 109 are installed on one side of the two connecting pipes 108, the two valve switches 109 are movably installed with the two connecting pipes 108, a plurality of spray heads 110 are connected to the interior of the two connecting pipes 108, the air inlet pipe 202 is connected to the interior of the vacuum pump body 201, the air outlet pipe 203 is connected to the interior of the vacuum pump body 201, a plurality of heat dissipation fins 204 are fixedly connected to the vacuum pump body 201, and two rotors 302 are fixedly connected to the vacuum pump body 201. The fixed plate 301 is rotatably connected, the two guide plates 303 are fixedly installed with the fixed plate 301, the fixed plate 301 is fixedly installed with the vacuum pump body 201, the two rotors 302 are embedded and connected with the vacuum pump body 201, the air inlet pipe 202 is sleeve-connected with the air inlet 106, the air outlet 103 is sleeve-connected with the air outlet pipe 203, and the vacuum pump body 201 is embedded and installed with the cooling box 101. Appropriate cooling can reduce the risk of aging and damage of the internal materials of the pump due to high temperature, thereby extending the service life of the equipment, reducing maintenance and replacement costs, and improving operating efficiency. At the same time, the motor will shake when it moves during work, affecting the stable use of the pump body. ;

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A Roots vacuum pump with an external cooling device, characterized in that: It comprises a box assembly (1), a heat dissipation assembly (2) and an internal assembly (3); The box assembly (1) comprises a cooling box (101), two centrifugal cooling fans (102) are arranged inside the cooling box (101), an air outlet (103) is provided at the bottom of the cooling box (101), two groups of shock absorbing springs (104) are installed at the bottom of the cooling box (101), two groups of dampers are installed on one side of the two groups of shock absorbing springs (104), two groups of shock absorbing blocks (105) are installed on the outer walls of the two groups of shock absorbing springs (104), an air inlet (106) is provided at the top of the cooling box (101), two circular holes are provided at the top of the cooling box (101), two exhaust pipes (107) are arranged inside the two circular holes, two connecting pipes (108) are arranged on the outer walls of the two exhaust pipes (107), and a plurality of spray heads (110) are arranged inside the two exhaust pipes (107); The heat dissipation assembly (2) comprises a vacuum pump body (201), an air inlet pipe (202) is installed on the top of the vacuum pump body (201), an air outlet pipe (203) is installed on the bottom of the vacuum pump body (201), and a plurality of heat dissipation fins (204) are arranged outside the vacuum pump body (201); The internal component (3) comprises a fixing plate (301), two rotors (302) are mounted on one side of the fixing plate (301), and two guide plates (303) are mounted on one side of the fixing plate (301).

2. A Roots vacuum pump with an external cooling device according to claim 1, characterized in that: The air outlet (103) is connected to the interior of the cooling box (101), the two groups of dampers are fixedly installed with the two groups of shock absorbing springs (104), and the two groups of shock absorbing blocks (105) are fixedly installed with the two groups of shock absorbing springs (104).

3. The Roots vacuum pump with an external cooling device according to claim 1, characterized in that: The air inlet (106) is connected to the interior of the cooling box (101), the two exhaust pipes (107) are connected to the interior of the cooling box (101), and the two connecting pipes (108) are connected to the interiors of the two exhaust pipes (107).

4. A Roots vacuum pump with an external cooling device according to claim 3, characterized in that: Two valve switches (109) are installed on one side of the two connecting pipes (108), the two valve switches (109) are movably installed with the two connecting pipes (108), and the plurality of spray heads (110) are connected with the inside of the two connecting pipes (108).

5. The Roots vacuum pump with an external cooling device according to claim 1, characterized in that: The air inlet pipe (202) is connected to the interior of the vacuum pump body (201), and the air outlet pipe (203) is connected to the interior of the vacuum pump body (201).

6. The Roots vacuum pump with an external cooling device according to claim 1, characterized in that: The plurality of heat dissipation fins (204) are fixedly connected to the vacuum pump body (201), the two rotors (302) are rotatably connected to the fixed plate (301), and the two guide plates (303) are fixedly mounted to the fixed plate (301).

7. The Roots vacuum pump with an external cooling device according to claim 1, characterized in that: The fixing plate (301) is fixedly mounted on the vacuum pump body (201), the two rotors (302) are embedded and connected to the vacuum pump body (201), the air inlet pipe (202) is sleeve-connected to the air inlet (106), the air outlet (103) is sleeve-connected to the air outlet pipe (203), and the vacuum pump body (201) is embedded and mounted on the cooling box (101).