CN219388485U

CN219388485U - Automobile brake pump

Info

Publication number: CN219388485U
Application number: CN202320611083.2U
Authority: CN
Inventors: 王永安; 李强; 杨成李
Original assignee: Ruian Hongji Auto Parts Co ltd
Current assignee: Ruian Hongji Auto Parts Co ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-07-21
Anticipated expiration: 2033-03-23

Abstract

The utility model discloses an automobile brake pump, which comprises a caliper bracket, a pump body and a connecting frame, wherein guide pin shafts are inserted into the two sides of the caliper bracket, a moving structure comprises a moving groove, a gasket, a fixing bolt, a connecting rod, a first toothed plate, a second toothed plate and a supporting frame, the supporting frame is fixed at the bottom end of one side of the pump body, and the connecting rod is inserted into one side of the inside of the supporting frame. According to the utility model, the first brake block is driven to move downwards by pulling the connecting rod to slide in the support frame, the distance between the first brake block and the second brake block is adjusted, the fixing bolt is rotated to enable the second toothed plate to be meshed with the first toothed plate, and the position of the connecting rod is fixed, so that the distance adjusting function of the device is realized, the distance between the second brake block and the first brake block is convenient to adjust according to the thickness of the brake disc, the second brake block and the first brake block are prevented from interfering the normal running of an automobile, the device is suitable for brake discs of different brands, and the applicability of the device is improved.

Description

Automobile brake pump

Technical Field

The utility model relates to the technical field of automobile brake pumps, in particular to an automobile brake pump.

Background

The automobile brake pump is an indispensable chassis brake part of a brake system, and has the main effects of pushing a brake pad, enabling a brake pad friction disc to consume kinetic energy of a vehicle, reducing and standing the vehicle speed, and guaranteeing the running safety of the vehicle;

the prior technical proposal has the following defects: when the device is used, the defect that the interval between the first brake block and the second brake block is inconvenient to adjust is overcome, the interval between the first brake block and the second brake block is fixed due to the fact that the thicknesses of brake discs of different brands are different, and the device is arranged outside the brake disc, so that the distance between the brake block and the brake disc is too large or too small to easily influence the running of an automobile, and the applicability of the device is weaker.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to provide an automobile brake pump so as to solve the problems in the background art.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides an automobile brake pump, includes calliper support, pump body and link, the inside of calliper support both sides is all inserted and is equipped with the guide pin axle, the pump body is installed on the top of guide pin axle, the internally mounted on pump body top has brake control unit, one side of the pump body is connected with the oil delivery pipe, the internally mounted of the pump body has the piston, and the bottom of piston is provided with buffer structure, buffer structure's bottom is provided with the push pedal, first brake block is installed to the bottom of push pedal, pump body one side's bottom is provided with movable structure, movable structure's bottom is provided with the link, the second brake block is installed on the top of link, movable structure includes travel groove, gasket, fixing bolt, connecting rod, first pinion rack, second pinion rack and support frame, the bottom on one side of pump body is fixed to the support frame, one side inside the plug-in of support frame is equipped with the connecting rod.

The automobile brake pump of the technical scheme is used, hydraulic oil of the brake master cylinder is injected into the pump body through the oil delivery pipe, the hydraulic oil pushes the oil delivery pipe to move downwards, the first brake pad and the brake disc are rubbed, the pump body is subjected to the reaction force of the brake disc to move backwards, the second brake pad is driven to brake with the friction of the other side of the brake disc, the pressure of the oil delivery pipe is buffered through the buffer structure, the pressure is prevented from being too large, and the distance between the first brake pad and the second brake pad is adjusted through the moving structure.

Preferably, the movable groove has been seted up to the inside of connecting rod, fixing bolt has all been inserted to the inside of connecting rod, fixing bolt's outside cover is equipped with the gasket, one side of connecting rod is fixed with first pinion rack, one side of support frame inside is fixed with the second pinion rack. The first brake block is driven to move downwards by pulling the connecting rod to slide in the support frame, the distance between the first brake block and the second brake block is adjusted, and then the fixing bolt is rotated to enable the second toothed plate to be meshed with the first toothed plate, so that the position of the connecting rod is fixed.

Preferably, the outer side wall of the fixing bolt is provided with external threads, and the support frame is internally provided with internal threads matched with the external threads.

Preferably, the second toothed plate is in meshed connection with the first toothed plate, and a sliding structure is formed between the moving groove and the supporting frame.

Preferably, the buffer structure comprises a casing, a rubber pad, a guide shell and a buffer spring, wherein the casing is fixed at the bottom end of the piston, and the rubber pad is arranged at the top end of the inside of the casing. The buffer spring reduces the pressure transferred from the piston to the push plate, and meanwhile, the guide shell of the rubber pad and the shell is prevented from driving the push plate to shake.

Preferably, a buffer spring is fixed at the bottom end of the rubber pad, and a guide shell is sleeved outside the buffer spring.

Preferably, the sleeve and the piston are in a welding integrated structure, and a sliding structure is formed between the sleeve and the guide shell.

(III) beneficial effects

Compared with the prior art, the utility model has the beneficial effects that: the automobile brake pump has reasonable structure and has the following advantages:

(1) The connecting rod is pulled to slide in the support frame to drive the first brake block to move downwards, the distance between the first brake block and the second brake block is adjusted, then the fixing bolt is rotated to enable the second toothed plate to be meshed with the first toothed plate, and the position of the connecting rod is fixed, so that the distance adjusting function of the device is realized, the distance between the second brake block and the first brake block is convenient to adjust according to the thickness of the brake disc, the second brake block and the first brake block are prevented from interfering with normal running of an automobile, meanwhile, the device is applicable to brake discs of different brands, and the applicability of the device is improved;

(2) The pressure of piston to push pedal transmission is reduced through buffer spring, and the rubber pad drives the push pedal with the guide shell that prevents of cover shell simultaneously and rocks, has realized the pressure buffering function of this device from this, is convenient for the pressure buffering that causes the piston, prevents that the second brake block from receiving too big and the intensification acceleration loss of pressure that first brake block received, extension second brake block and first brake block's life.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic side sectional view of the present utility model;

FIG. 3 is a schematic cross-sectional elevation view of a buffer structure according to the present utility model;

fig. 4 is an enlarged partial sectional view of fig. 2 a according to the present utility model.

Reference numerals in the drawings illustrate: 1. a caliper bracket; 2. a guide pin shaft; 3. a pump body; 4. a brake control unit; 5. a buffer structure; 501. a casing; 502. a rubber pad; 503. a guide housing; 504. a buffer spring; 6. a first brake pad; 7. a connecting frame; 8. a second brake pad; 9. a moving structure; 901. a moving groove; 902. a gasket; 903. a fixing bolt; 904. a connecting rod; 905. a first toothed plate; 906. a second toothed plate; 907. a support frame; 10. an oil delivery pipe; 11. a piston; 12. a push plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

Referring to fig. 1-4, the utility model provides an automobile brake pump, which comprises a caliper bracket 1, a pump body 3 and a connecting frame 7, wherein guide pin shafts 2 are inserted into the interiors of two sides of the caliper bracket 1, the top end of each guide pin shaft 2 is provided with the pump body 3, the interior of the top end of each pump body 3 is provided with a brake control unit 4, one side of each pump body 3 is connected with an oil delivery pipe 10, the interior of each pump body 3 is provided with a piston 11, the bottom end of each piston 11 is provided with a buffer structure 5, the bottom end of each buffer structure 5 is provided with a push plate 12, the bottom end of each push plate 12 is provided with a first brake block 6, the bottom end of one side of each pump body 3 is provided with a movable structure 9, the bottom end of each movable structure 9 is provided with a connecting frame 7, and the top end of each connecting frame 7 is provided with a second brake block 8, the movable structure 9 comprises a movable groove 901, gaskets 902, fixing bolts 903, a connecting rod 904, a first toothed plate 905, a second toothed plate 906 and a supporting frame 907, wherein the supporting frame 907 is fixed at the bottom end of one side of the pump body 3, the connecting rod 904 is inserted into one side of the inside of the supporting frame 907, the movable groove 901 is formed in the inside of the connecting rod 904, the fixing bolts 903 are respectively inserted into the inside of the connecting rod 904, the gaskets 902 are sleeved outside the fixing bolts 903, the first toothed plate 905 is fixed on one side of the connecting rod 904, the second toothed plate 906 is fixed on one side of the inside of the supporting frame 907, external threads are arranged on the outer side wall of the fixing bolts 903, internal threads matched with the external threads are arranged in the inside of the supporting frame 907, the second toothed plate 906 is in meshed connection with the first toothed plate 905, and a sliding structure is formed between the movable groove 901 and the supporting frame 907.

The working principle of the automobile brake pump based on the first embodiment is as follows: the hydraulic oil of the brake master cylinder is injected into the pump body 3 through the oil delivery pipe 10, the hydraulic oil pushes the oil delivery pipe 10 to move downwards, the first brake block 6 and the brake disc are rubbed, the pump body 3 is subjected to the reaction force of the brake disc to move backwards, the second brake block 8 is driven to rub with the other side of the brake disc to brake, the buffer structure 5 is used for buffering the pressure of the oil delivery pipe 10, the excessive pressure is prevented, the space between the first brake block 6 and the second brake block 8 is adjusted through the moving structure 9, the connecting rod 904 slides in the support frame 907 through pulling the connecting rod 904, the connecting rod 904 drives the connecting frame 7 and the first brake block 6 to move downwards, the space between the first brake block 6 and the second brake block 8 is adjusted, the fixing bolt 903 is rotated, the fixing bolt 903 is moved leftwards along the thread in the support frame 907, the fixing bolt 903 is pushed to approach the support frame through the gasket 902, the second toothed plate 906 is meshed with the first toothed plate 905, and the position of the connecting rod 904 is fixed.

Example two

The embodiment comprises the following steps: the buffer structure 5 comprises a casing 501, a rubber gasket 502, a guide shell 503 and a buffer spring 504, wherein the casing 501 is fixed at the bottom end of the piston 11, the rubber gasket 502 is installed at the top end of the inside of the casing 501, the buffer spring 504 is fixed at the bottom end of the rubber gasket 502, the guide shell 503 is sleeved outside the buffer spring 504, a welding integrated structure is formed between the casing 501 and the piston 11, and a sliding structure is formed between the casing 501 and the guide shell 503.

In this embodiment, the buffer spring 504 is set between the casing 501 and the push plate 12, so that the buffer spring 504 buffers the pressure applied to the piston 11, thereby reducing the pressure transmitted from the piston 11 to the push plate 12, and simultaneously, the rubber pad 502 slides inside the casing 501, so as to prevent the guide casing 503 from driving the push plate 12 to shake.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides an automobile brake pump, includes calliper support (1), pump body (3) and link (7), its characterized in that: the inside of calliper support (1) both sides is all inserted and is equipped with guide pin axle (2), pump body (3) are installed on the top of guide pin axle (2), internally mounted on pump body (3) top has brake control unit (4), one side of pump body (3) is connected with oil pipe (10), the internally mounted of pump body (3) has piston (11), and the bottom of piston (11) is provided with buffer structure (5), the bottom of buffer structure (5) is provided with push pedal (12), first brake block (6) are installed to the bottom of push pedal (12), the bottom of pump body (3) one side is provided with moving structure (9), the bottom of moving structure (9) is provided with link (7), second brake block (8) are installed on the top of link (7), moving structure (9) are including moving groove (901), gasket (902), fixing bolt (903), connecting rod (904), first pinion (905), second pinion (906) and support frame (907) are fixed in the bottom of pump body (3) one side, 907 is equipped with inside 907.

2. An automotive brake pump according to claim 1, characterized in that: the movable groove (901) has been seted up to the inside of connecting rod (904), fixing bolt (903) have all been inserted to the inside of connecting rod (904), the outside cover of fixing bolt (903) is equipped with gasket (902), one side of connecting rod (904) is fixed with first pinion rack (905), one side of support frame (907) inside is fixed with second pinion rack (906).

3. An automotive brake pump according to claim 1, characterized in that: external threads are arranged on the outer side wall of the fixing bolt (903), and internal threads matched with the external threads are arranged inside the supporting frame (907).

4. An automotive brake pump according to claim 1, characterized in that: the second toothed plate (906) is in meshed connection with the first toothed plate (905), and a sliding structure is formed between the moving groove (901) and the supporting frame (907).

5. An automotive brake pump according to claim 1, characterized in that: the buffering structure (5) comprises a casing (501), a rubber pad (502), a guide shell (503) and a buffering spring (504), wherein the casing (501) is fixed at the bottom end of the piston (11), and the rubber pad (502) is arranged at the top end inside the casing (501).

6. An automotive brake pump according to claim 5, wherein: the bottom end of the rubber pad (502) is fixed with a buffer spring (504), and the outer side of the buffer spring (504) is sleeved with a guide shell (503).

7. An automotive brake pump according to claim 5, wherein: the sleeve (501) and the piston (11) are in a welding integrated structure, and a sliding structure is formed between the sleeve (501) and the guide shell (503).