Anti-freezing moisture-proof durable automobile vacuum pump

By adopting a combined structure of mounting strip hole ring and a spring in the automotive vacuum pump, combined with an external magnetic ring and electric heating wire, the problem of inconvenient disassembly and maintenance of existing automotive vacuum pumps is solved, achieving more efficient use and anti-freeze and moisture protection.

CN222879888UActive Publication Date: 2025-05-16JIANGSU PLNM MACHINENY CO LTD
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Patent Information

Application Number
CN202421583786.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-05
Publication Date
2025-05-16
Estimated Expiration
2034-07-05

AI Technical Summary

Technical Problem

The existing automotive vacuum pumps are not convenient to be disassembled during use and are installed in a narrow space, resulting in the inefficient maintenance process.

Method used

A durable and anti-freeze-proof and durable automotive vacuum pump is designed, using a combined structure of mounting strip hole ring and a spring. The pump housing body is ejected into the concave space of the base surface of the vehicle through the tensile force of the spring, which is convenient for removal and inspection. At the same time, the external magnetic ring and electric heating wire are used to achieve smooth installation of the pump housing body and anti-freeze and moisture-proof functions.

Benefits of technology

It realizes convenient disassembly and maintenance of the pump housing body, improves the efficiency of the vehicle vacuum pump, and provides anti-freeze and moisture protection in cold weather, extending the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to the field of automobile vacuum pumps, in particular to an anti-freezing moisture-proof durable automobile vacuum pump which comprises a pump shell body, the left end and the right end of the pump shell body are fixedly connected with installation strip hole rings, the installation strip hole rings make contact with installation base faces, and the outer ends of the installation base faces are connected with connecting back ring plates in an adhering mode. The end, close to the pump shell body, of the connecting back ring plate is fixedly connected with an abutting spring, the end, away from the connecting back ring plate, of the abutting spring is fixedly connected with a front concave ring, and the outer end of the front concave ring and the outer end of the connecting back ring plate are both fixedly connected with external magnetic rings. When the pump shell body is detached, the abutting springs generate stretching elastic force in the process that the fixing nails on the two sides of the pump shell body are gradually screwed off, the whole pump shell body can be sprung into the inwards-concave space of the base face in a vehicle, at the moment, the pump shell body can be smoothly taken out, and maintenance operation of the pump shell body is more convenient.
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Description

Technical Field

[0001] The utility model relates to the field of automobile vacuum pumps, in particular to an antifreeze, moisture-proof and durable automobile vacuum pump. Background Art

[0002] The function of the vacuum pump is to generate negative pressure, thereby increasing the braking force. The vacuum pump plays an important role in the automobile braking system. It can provide the necessary vacuum source for the brake booster system, thereby increasing the braking force. In addition, the vacuum pump can also improve the safety performance of the car, because it can ensure that the brake system can provide sufficient vacuum pressure during emergency braking to ensure the normal operation of the brake system. In short, the vacuum pump is an indispensable and important component in the automobile braking system, and its role cannot be ignored.

[0003] However, the existing automobile vacuum pump has the disadvantage of being difficult to disassemble during use. It is installed in a narrow space, and the maintenance process of the automobile vacuum pump is not efficient enough. Therefore, it is necessary to design an antifreeze, moisture-proof and durable automobile vacuum pump with auxiliary disassembly function to solve the above problems. Utility Model Content

[0004] The main purpose of the utility model is to provide an antifreeze, moisture-proof and durable automobile vacuum pump to solve the problem proposed in the related art that the existing automobile vacuum pump is difficult to disassemble during use and is installed in a narrow space, making the maintenance process of the automobile vacuum pump inefficient.

[0005] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, an antifreeze and moisture-proof durable automobile vacuum pump is provided, including a pump casing body, the left and right ends of the pump casing body are fixedly connected with mounting strip hole rings, the mounting strip hole rings are in contact with a mounting base surface, the outer end of the mounting base surface is adhesively connected with a connecting back ring plate, the end of the connecting back ring plate close to the pump casing body is fixedly connected with a push-open spring, the end of the push-open spring away from the connecting back ring plate is fixedly connected with a front concave ring, and the outer ends of the front concave ring and the connecting back ring plate are fixedly connected with external magnetic rings.

[0006] Furthermore, an annular inner groove ring is provided at the inner end of the front concave ring, and an electric heating wire is fixedly connected to the inner end of the annular inner groove ring.

[0007] Furthermore, the external magnetic circle located at the front end is an electrical magnetic block, and the two external magnetic circles are magnetically connected.

[0008] Furthermore, the front concave ring is in contact with the pump casing body, and a conveniently detachable pump cover is threadedly connected to the front end of the pump casing body.

[0009] Furthermore, a connecting air column is fixedly connected to the upper end of the pump housing body, and a strip air pipe is externally connected to the connecting air column.

[0010] Furthermore, one end of the strip air pipe away from the pump housing body is fixedly connected with a vent connection port, so that the pump cover can be removed and approached to the base surface inside the vehicle.

[0011] Furthermore, the inner end of the mounting strip hole ring is threadedly connected with a fixing nail, and the fixing nail extends into the mounting base surface.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] According to the present invention, the pump casing body can be fixed on the mounting base surface in the vehicle interior space by means of the mounting strip hole rings on both sides of the mounting strip hole rings, and a push-open spring can be arranged between the pump casing body and the mounting base surface. The push-open spring can generate a tensile elastic force when the fixing nails on both sides of the pump casing body are gradually unscrewed, so that the pump casing body as a whole can be bounced into the concave space of the base surface in the vehicle interior. At this time, the pump casing body can be smoothly taken out, making the maintenance work on the pump casing body more convenient.

[0014] At the same time, two external magnetic circles are respectively arranged in front and behind the push-open spring. The two external magnetic circles can be powered on and off by one of the electrical magnetic blocks, so that the push-open spring can be in a compressed state during the installation of the mounting strip hole ring, so that the installation process of the pump housing body is not interfered by the push-open spring, and the reset operation of the pump housing body is smoother.

[0015] 3. At the same time, a heating wire is arranged on the side of the front concave ring that contacts the rear side of the pump casing body. The heating wire installed in the heating wire can emit heat, and the heat is in contact with the rear outer wall of the pump casing body. In cold weather, it can provide a heat source for the pump casing body and preheat the oil in the pump casing body, which plays a role in anti-freezing and moisture-proofing, making the use of the pump casing body more efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the axial structure of the pump casing body;

[0017] Figure 2 This is a schematic diagram of the pump casing body in installed state;

[0018] Figure 3 It is a schematic diagram of the explosion structure of the front concave ring;

[0019] Figure 4 It is a schematic diagram of the partially enlarged structure of the front concave ring.

[0020] Illustrations: 1. Install the strip hole ring; 2. Pump housing; 3. Disassemble the pump cover; 4. Connect the air column; 5. Connect the back plate; 6. Push the spring; 7. Front concave ring; 8. External magnetic ring; 9. Annular inner groove ring; 10. Heating wire; 11. Strip air pipe; 12. Ventilation connection port. DETAILED DESCRIPTION

[0021] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0022] The present embodiment provides an antifreeze, moisture-proof and durable automotive vacuum pump, refer to 1-4, comprising a pump casing body 2, both left and right ends of the pump casing body 2 are fixedly connected with mounting strip hole rings 1, the mounting strip hole ring 1 contacts a mounting base surface, the outer end of the mounting base surface is adhesively connected with a connecting back ring plate 5, the end of the connecting back ring plate 5 close to the pump casing body 2 is fixedly connected with a push-open spring 6, the end of the push-open spring 6 away from the connecting back ring plate 5 is fixedly connected with a front concave ring 7, the outer ends of the front concave ring 7 and the connecting back ring plate 5 are fixedly connected with an external magnetic ring 8.

[0023] Please refer to 1-4. An annular inner groove ring 9 is provided at the inner end of the front concave ring 7. A heating wire 10 is fixedly connected to the inner end of the annular inner groove ring 9. The external magnetic ring 8 at the front end is an electrical magnetic block. The two external magnetic rings 8 are magnetically connected. The front concave ring 7 is in contact with the pump casing body 2. A conveniently detachable pump cover 3 is threadedly connected to the front end of the pump casing body 2. A connecting air column 4 is fixedly connected to the upper end of the pump casing body 2. The connecting air column 4 is externally connected to a strip air pipe 11. An end of the strip air pipe 11 away from the pump casing body 2 is fixedly connected to a ventilation connection port 12. The conveniently detachable pump cover 3 is close to a base surface inside the vehicle. A fixing nail is threadedly connected to the inner end of the mounting strip hole ring 1. The fixing nail extends into the mounting base surface.

[0024] Please refer to 1-4. The pump casing body 2 utilizes the movement of its internal piston or the rotation of the eccentric impeller to create a vacuum environment to assist the brake operation. In this solution, the pump casing body 2 can be fixed to the mounting base surface of the vehicle interior space through the mounting strip hole rings 1 on both sides of the mounting strip hole rings 1, and a push-off spring 6 is arranged between the pump casing body 2 and the mounting base surface. The push-off spring 6 generates a stretching elastic force during the process of gradually unscrewing the fixing nails on both sides of the pump casing body 2, so that the pump casing body 2 can be bounced as a whole into the concave space of the vehicle interior base surface. At this time, the pump casing body 2 can be smoothly taken out, making the maintenance of the pump casing body 2 more convenient. At the same time, two external magnetic springs are arranged in front and behind the push-off spring 6. Force circle 8, two external magnetic force circles 8 are powered on and off by one of the electrical magnetic blocks, so that the spring 6 can be compressed during the installation of the installation strip hole ring 1, so that the installation process of the pump casing body 2 is not interfered by the spring 6, and the reset operation of the pump casing body 2 is smoother. At the same time, a heating wire 10 is also provided on the side in contact with the rear side of the pump casing body 2 in the front concave ring 7. The heating wire 10 installed in the heating wire 10 can emit heat, and the heat is in contact with the rear outer wall of the pump casing body 2. In cold weather, it can provide a heat source for the pump casing body 2 and preheat the oil in the pump casing body 2, which plays a role in anti-freezing and moisture-proofing, making the use of the pump casing body 2 more efficient.

[0025] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. Antifreeze and moisture-proof durable automobile vacuum pump, characterized by: The invention comprises a pump casing body (2), wherein both left and right ends of the pump casing body (2) are fixedly connected with mounting strip hole rings (1), the mounting strip hole rings (1) contact a mounting base surface, the outer end of the mounting base surface is adhesively connected with a connecting back ring plate (5), the end of the connecting back ring plate (5) close to the pump casing body (2) is fixedly connected with a push-off spring (6), the end of the push-off spring (6) away from the connecting back ring plate (5) is fixedly connected with a front concave ring (7), and the outer ends of the front concave ring (7) and the connecting back ring plate (5) are fixedly connected with an external magnetic ring (8).

2. The antifreeze and moisture-proof durable automobile vacuum pump according to claim 1 is characterized in that: An annular inner groove ring (9) is provided at the inner end of the front concave ring (7), and an electric heating wire (10) is fixedly connected to the inner end of the annular inner groove ring (9).

3. The antifreeze and moisture-proof durable automobile vacuum pump according to claim 1 is characterized in that: The external magnetic circle (8) located at the front end is an electrical magnetic block, and the two external magnetic circles (8) are magnetically connected.

4. The antifreeze and moisture-proof durable automobile vacuum pump according to claim 1, characterized in that: The front concave ring (7) is in contact with the pump casing body (2), and a detachable pump cover (3) is threadedly connected to the front end of the pump casing body (2).

5. The antifreeze and moisture-proof durable automobile vacuum pump according to claim 1, characterized in that: The upper end of the pump housing body (2) is fixedly connected to a connecting air column (4), and the connecting air column (4) is externally connected to a strip-shaped air pipe (11).

6. The antifreeze and moisture-proof durable automobile vacuum pump according to claim 5, characterized in that: One end of the strip air pipe (11) away from the pump housing body (2) is fixedly connected to a vent connection port (12), so that the pump cover (3) can be removed and brought close to a base surface inside the vehicle.

7. The antifreeze and moisture-proof durable automobile vacuum pump according to claim 1, characterized in that: The inner end of the mounting bar eyelet (1) is threadedly connected with a fixing nail, and the fixing nail extends into the mounting base surface.