Automobile brake booster

Abstract

The utility model relates to the technical field of automobile brake boosters, in particular to an automobile brake booster which comprises a booster lower shell, a booster upper shell is installed on the top face of the booster lower shell, an installation outer shell is installed on the outer surface of the booster lower shell and the outer surface of the booster upper shell, a connecting ring is arranged on the lower surface of the booster lower shell, and the connecting ring is connected with the installation outer shell. A connecting rod body is installed in the connecting ring, and a fixing block is installed on the inner side wall of the connecting ring. And the limiting ring is installed on the front surface of the fixing block, and the limiting ring is matched with the connecting rod body. The stabilizing ring and the filter screen are installed on the outer surface of the connecting rod, and the stabilizing ring can be installed on the inner side wall of the connecting ring in a threaded mode, so that the stabilizing ring can be stably installed, the filter screen can be clamped and fixed in the stabilizing ring, the filter screen can be conveniently detached and cleaned subsequently, and after the filter screen is installed, the filter screen can be conveniently detached and cleaned. And the inserting plate is inserted into the inserting groove.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile brake boosters, in particular to an automobile brake booster. Background Art

[0002] Brake boosters are widely used brake boosting devices in light to medium-sized vehicles. They can be roughly divided into vacuum boosters, hydraulic boosters and air boosters. The automobile braking system mainly applies a certain force to the car wheels, thereby forcing the car to brake to a certain extent. In order to enhance the braking effect of the car, a booster is generally installed in the automobile braking system.

[0003] In this regard, China's patent application number: CN216994274U discloses an automobile brake booster, including a booster, the booster including a booster upper cover and a booster lower cover, the booster upper cover and the booster lower cover are detachably installed, and a sealing mechanism is provided between the booster upper cover and the booster lower cover, four mounting rods are fixed to the bottom of the booster lower cover, the booster upper cover is connected to the intake manifold, the intake manifold is provided with a vacuum damping valve, a diaphragm is slidably installed in the booster, a vacuum booster rear chamber is formed between the diaphragm and the booster upper cover, and a vacuum booster front chamber is formed between the diaphragm and the booster lower cover, which affects the final boosting effect. By providing a dustproof mechanism, dust is prevented from entering the booster, thereby reducing the service life of the booster and also affecting the boosting.

[0004] However, in actual use, the overall buffering effect of the connecting rod is poor, and there is no guide limit for it. At the same time, the dust net cannot be limited during installation, so that the dust on the dust net will shake and fall when the vehicle is moving. Therefore, it is urgent to improve and perfect the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a car brake booster to solve the problem raised in the above-mentioned background technology that the connecting rod has a poor overall buffering effect when in use and is not guided and limited, and the dust net cannot be limited during installation, so that the dust on the dust net will shake and fall when the vehicle is moving.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a brake booster for an automobile, comprising a booster lower shell, a booster upper shell being mounted on the top surface of the booster lower shell, a mounting housing being mounted on the outer surfaces of the booster lower shell and the booster upper shell, a connecting ring being provided on the lower surface of the booster lower shell, a connecting rod body being mounted inside the connecting ring, and a fixing block being mounted on the inner sidewall of the connecting ring;

[0007] A limiting ring is installed on the front surface of the fixed block, the limiting ring and the connecting rod body are adapted to each other, and an interference ring is installed on the outer surface of the limiting ring.

[0008] Preferably, a spring body is provided at the lower end of the abutment ring, and two groups of the spring bodies are provided.

[0009] Preferably, a collar is mounted on one end of the spring body away from the interference ring, and a telescopic rod is mounted on the top surface of the collar.

[0010] Preferably, a connecting rod is installed at the lower end of the collar, a stabilizing ring is installed on the outer surface of the connecting rod, a filter is provided inside the stabilizing ring, and a brake pedal is provided at the lower end of the connecting rod.

[0011] Preferably, a side block is fixedly connected to the outer surface of the connecting ring, and a slot is provided inside the side block.

[0012] Preferably, an inserting plate is provided inside the slot, and a top block is installed on the top surface of the inserting plate.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The automobile brake booster is provided with a booster lower shell, a connecting ring, a connecting rod body, a fixed block, a limiting ring, a resistance ring, a spring body, a telescopic rod, a collar and a connecting rod. When in use, the movement trajectory of the connecting rod body can be guided by the design of the fixed block and the limiting ring. Then, when the connecting rod body moves upward, the top surface of the resistance ring will resist the lower surface of the limiting ring. After the resistance ring resists the limiting ring, the spring body begins to compress. The compression of the spring body is then limited by the telescopic rod, so that the entire connecting rod body has a certain buffering effect when moving upward, and the overall use effect is good. Then, a connecting rod is installed at the lower end of the collar, and the brake pedal is connected to the connecting rod for use, which reflects the practicality of the design.

[0015] 2. The automobile brake booster is provided with a stabilizing ring, a filter, a side block, a slot, an insert and a top block. When in use, the stabilizing ring and the filter are installed on the outer surface of the connecting rod, and the stabilizing ring can be threadedly installed on the inner side wall of the connecting ring, so that the stabilizing ring can be stably installed, and the filter can be fixed inside the stabilizing ring, which is convenient for subsequent disassembly and cleaning of the filter. After the filter is installed, the insert is inserted into the inside of the slot, and the upper surface of the insert is against the lower surface of the stabilizing ring, so that it can be stably supported. The overall support is relatively stable, which reflects the functionality of the design. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the disassembly of the connecting ring and the connecting rod body structure of the utility model;

[0018] Figure 3 It is a three-dimensional schematic diagram of the connecting ring and connecting rod structure of the utility model;

[0019] Figure 4 It is a three-dimensional schematic diagram of the connecting rod body and the collar structure of the utility model.

[0020] In the figure: 1. Booster lower shell; 2. Booster upper shell; 3. Mounting shell; 4. Connecting ring; 5. Connecting rod body; 6. Fixing block; 7. Limiting ring; 8. Resistance ring; 9. Spring body; 10. Telescopic rod; 11. Sleeve ring; 12. Connecting rod; 13. Stabilizing ring; 14. Filter; 15. Side block; 16. Slot; 17. Insert plate; 18. Top block; 19. Brake pedal. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figures 1-4 , an embodiment provided by the utility model:

[0023] A car brake booster, the booster lower shell 1, the booster upper shell 2, the connecting rod body 5, the telescopic rod 10 and the brake pedal 19 used in this application are all products that can be directly purchased on the market. Their principles and connection methods are all existing technologies well known to those skilled in the art, so they will not be repeated here. It includes a booster lower shell 1, the top surface of the booster lower shell 1 is installed with the booster upper shell 2, the outer surfaces of the booster lower shell 1 and the booster upper shell 2 are installed with a mounting shell 3, the lower surface of the booster lower shell 1 is provided with a connecting ring 4, the interior of the connecting ring 4 is installed with a connecting rod body 5, the inner side wall of the connecting ring 4 is installed with a fixing block 6, the outer surface of the connecting ring 4 is fixedly connected to a side block 15, the side block A slot 16 is provided inside the 15, and an insert plate 17 is provided inside the slot 16. A top block 18 is installed on the top surface of the insert plate 17. By installing a stabilizing ring 13 and a filter screen 14 on the outer surface of the connecting rod 12, and the stabilizing ring 13 can be threadedly installed on the inner side wall of the connecting ring 4, the stabilizing ring 13 can be stably installed, and the filter screen 14 can be fixed inside the stabilizing ring 13, which is convenient for subsequent disassembly and cleaning of the filter screen 14. After the filter screen 14 is installed, the insert plate 17 is inserted and installed into the interior of the slot 16. The upper surface of the insert plate 17 contacts the lower surface of the stabilizing ring 13, which can stably support it, and the overall support is relatively stable.

[0024] The limiting ring 7 is installed on the front surface of the fixed block 6. The limiting ring 7 and the connecting rod body 5 are adapted to each other. The outer surface of the limiting ring 7 is installed with a contact ring 8. The lower end of the contact ring 8 is provided with a spring body 9. The spring body 9 is provided with two groups. A collar 11 is installed at one end of the spring body 9 away from the contact ring 8. A telescopic rod 10 is installed on the top surface of the collar 11. A connecting rod 12 is installed at the lower end of the collar 11. A stabilizing ring 13 is installed on the outer surface of the connecting rod 12. A filter screen 14 is provided inside the stabilizing ring 13. A brake pedal 19 is provided at the lower end of the connecting rod 12. The design of the fixing block 6 and the limiting ring 7 can guide the movement trajectory of the connecting rod body 5. Then, when the connecting rod body 5 moves upward, the top surface of the contact ring 8 will contact the lower surface of the limiting ring 7. After the contact ring 8 contacts the limiting ring 7, the spring body 9 begins to compress. Then, the compression of the spring body 9 is limited by the telescopic rod 10, so that the entire connecting rod body 5 has a certain buffering effect when moving upward, and the overall use effect is good. Then, a connecting rod 12 is installed at the lower end of the ring 11, and the brake pedal 19 is connected through the connecting rod 12 for use.

[0025] Working principle: When the staff uses this device, first connect the device to an external power supply to provide power support for the device. First, the movement trajectory of the connecting rod body 5 can be guided by the design of the fixed block 6 and the limit ring 7. Then, when the connecting rod body 5 moves upward, the top surface of the friction ring 8 will contact the lower surface of the limit ring 7. After the friction ring 8 contacts the limit ring 7, the spring body 9 begins to compress. Then, the compression of the spring body 9 is limited by the telescopic rod 10, so that the entire connecting rod body 5 has a certain buffering effect when it moves upward, and the overall use effect is better. Then, a connection is installed at the lower end of the ring 11. The rod 12 is connected to the brake pedal 19 through the connecting rod 12 for use. A stabilizing ring 13 and a filter screen 14 are installed on the outer surface of the connecting rod 12, and the stabilizing ring 13 can be threadedly installed on the inner side wall of the connecting ring 4, so that the stabilizing ring 13 can be stably installed, and the filter screen 14 can be fixed inside the stabilizing ring 13, which is convenient for the subsequent disassembly and cleaning of the filter screen 14. After the filter screen 14 is installed, the plug-in plate 17 is inserted and installed into the inside of the slot 16. The upper surface of the plug-in plate 17 is against the lower surface of the stabilizing ring 13, so that it can be stably supported. The above is all the working principles of the present invention.

[0026] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Any ordinary technician in this industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with this profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the scope of protection of the technical solution of the present invention.

Claims

1. A vehicle brake booster, comprising a booster lower shell (1), a booster upper shell (2) mounted on the top surface of the booster lower shell (1), a mounting shell (3) mounted on the outer surfaces of the booster lower shell (1) and the booster upper shell (2), a connecting ring (4) disposed on the lower surface of the booster lower shell (1), and characterized in that: A connecting rod body (5) is installed inside the connecting ring (4), and a fixing block (6) is installed on the inner side wall of the connecting ring (4); A limiting ring (7) is installed on the front surface of the fixed block (6), the limiting ring (7) and the connecting rod body (5) are adapted to each other, and a conflict ring (8) is installed on the outer surface of the limiting ring (7).

2. The automobile brake booster according to claim 1, characterized in that: The lower end of the abutment ring (8) is provided with a spring body (9), and the spring body (9) is provided in two groups.

3. The automobile brake booster according to claim 2, characterized in that: A collar (11) is installed at one end of the spring body (9) away from the abutment ring (8), and a telescopic rod (10) is installed on the top surface of the collar (11).

4. The automobile brake booster according to claim 3, characterized in that: A connecting rod (12) is installed at the lower end of the collar (11), a stabilizing ring (13) is installed on the outer surface of the connecting rod (12), a filter (14) is provided inside the stabilizing ring (13), and a brake pedal (19) is provided at the lower end of the connecting rod (12).

5. The automobile brake booster according to claim 1, characterized in that: The outer surface of the connecting ring (4) is fixedly connected with a side block (15), and a slot (16) is provided inside the side block (15).

6. The automobile brake booster according to claim 5, characterized in that: An inserting plate (17) is provided inside the slot (16), and a top block (18) is installed on the top surface of the inserting plate (17).

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