CN215521752U

CN215521752U - Prevent on-vehicle brake master cylinder inner wall auxiliary structure of jump ring compression dislocation that resets

Info

Publication number: CN215521752U
Application number: CN202121381716.2U
Authority: CN
Inventors: 周新宇
Original assignee: Wuhu Qiujing Auto Parts Mould Co ltd
Current assignee: Wuhu Qiujing Auto Parts Mould Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-01-14
Anticipated expiration: 2031-06-21

Abstract

The utility model provides a vehicle-mounted brake master cylinder inner wall auxiliary structure for preventing dislocation of compression resetting of a clamp spring, which comprises a pump body, wherein the bottom end of the pump body is connected with an oil inlet, a compression assembly is arranged in the pump body and comprises a connecting plate, the connecting plate is connected to the middle position of the top end in the pump body, the middle position of the bottom end of the connecting plate is connected with a transmission rod and a spring, the spring is sleeved outside the transmission rod, the bottom end of the spring is connected with a piston rod, the periphery of the bottom end of the connecting plate is annularly connected with guide rods, the bottom end outside the guide rods is sleeved with sleeve rods, the bottom end of the sleeve rods is connected with the piston rod, the periphery of the inside of the pump body is provided with limit grooves, four limit blocks are connected to the periphery of the ring connecting plate, and are in sliding connection with the limit grooves. According to the utility model, the clamp spring is horizontally moved in the compression and reset processes through the limiting guide part in the compression assembly, so that equipment damage caused by deflection dislocation is avoided, and the braking performance of the brake pump is improved.

Description

Prevent on-vehicle brake master cylinder inner wall auxiliary structure of jump ring compression dislocation that resets

Technical Field

The utility model mainly relates to the technical field of vehicle parts, in particular to an auxiliary structure for an inner wall of a vehicle-mounted brake master cylinder, which can prevent compression, resetting and dislocation of a clamp spring.

Background

The main brake Cylinder (Master Cylinder) is also called brake main oil (gas), and its main function is to drive brake fluid (or gas) to be transferred into each brake Cylinder to drive piston, and the main brake Cylinder belongs to a one-way action piston type hydraulic Cylinder, and its function is to convert the mechanical energy inputted by pedal mechanism into hydraulic energy.

According to the patent document (publication number CN207208042U), there is provided a master cylinder for a brake, comprising: the pump body, be equipped with master cylinder oilcan interface on the pump body, the oilcan subassembly passes through master cylinder oilcan interface fixed connection and is in on the pump body, the oilcan subassembly includes an oilcan export, the oilcan export is eccentric structure for the oilcan subassembly. The brake master cylinder provided by the utility model is reasonable in structure, easy to process, convenient for adjusting the eccentric position of the oilcan relative to the pump body, and capable of meeting the requirements of different customers.

When the existing vehicle-mounted brake master cylinder is used, an auxiliary guide structure is not arranged when the clamp spring is compressed and reset, dislocation is easy to occur, the brake performance is further influenced, and certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides an auxiliary structure for an inner wall of a vehicle-mounted brake master cylinder, which is used for preventing compression, resetting and dislocation of a clamp spring and is used for solving the technical problems in the background technology.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a prevent that jump ring compression resets on-vehicle braking master cylinder inner wall auxiliary structure of dislocation, includes the pump body, the bottom of the pump body is connected with the oil inlet, the inside of the pump body is provided with the compression subassembly, the compression subassembly includes the connecting plate, the connecting plate is connected in the intermediate position on the inside top of the pump body, the intermediate position of connecting plate bottom is connected with transfer line and spring, the outside of transfer line is located to the spring housing, the bottom of spring is connected with the piston rod, the annular is connected with the guide bar all around of connecting plate bottom, the outside bottom cover of guide bar is equipped with the loop bar, the bottom of loop bar is connected with the piston rod, the inside spacing groove has all been seted up all around of the pump body, encircle connecting plate a week is connected with four stoppers, the stopper is sliding connection with the spacing groove.

Preferably, the inside of loop bar is provided with the cavity, and cavity length equals with transfer line length to transfer line and guide bar simultaneous action reduces the transmission pressure of transfer line, increase of service life when braking.

Preferably, the limiting blocks and the limiting grooves are in T shapes, so that the limiting blocks are auxiliary limiting for the connecting plate, and the damage to equipment caused by rotation of the connecting plate during braking is avoided.

Preferably, the ring the outside upper end of piston rod and lower extreme a week all are equipped with the sealing washer to guarantee that the oil pressure is stable, avoid the pressure release to lead to the braking failure.

Preferably, one end of the pump body is connected with a sealing element, the middle position of the sealing element is connected with a connecting rod in a sliding mode, and the connecting rod extends into the pump body and is connected with the connecting plate, so that the braking action on the connecting plate is achieved.

Preferably, the outside one end of the pump body is connected with the pressure release mouth, the outside other end of the pump body is connected with the compensation oilhole to make things convenient for oil return and pressure release, avoid the pump body card to die.

Preferably, one end of the outer part of the pump body is connected with a mounting ring, so that the mounting work of equipment is facilitated.

Compared with the prior art, the utility model has the beneficial effects that:

when the vehicle brakes, the brake pedal is stepped down to enable the connecting rod to move and drive the connecting plate to move along with the connecting rod, the limiting block and the limiting groove are matched, the connecting plate slides horizontally, the spring contracts under extrusion force at the moment, then the guide rod slides downwards with the transmission rod and drives the piston rod to exert pressure downwards, the compensation oil hole is shielded by the sealing ring at the moment, meanwhile, the piston rod exerts pressure to enable pressure oil to enter the slave cylinder along the oil inlet, braking work is finished, the clamp spring compression and reset processes are enabled to be horizontal movement through the limiting guide part in the compression assembly, equipment damage caused by deflection dislocation is avoided, and braking performance of the brake pump is improved.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is a schematic top cross-sectional view of the present invention;

fig. 4 is an enlarged view of a region a in fig. 2.

In the figure: 1. a pump body; 2. a seal member; 3. a connecting rod; 4. a pressure relief port; 5. a compensation oil hole; 6. a mounting ring; 7. an oil inlet; 8. a compression assembly; 81. a connecting plate; 82. a limiting block; 83. a limiting groove; 84. a transmission rod; 85. a spring; 86. a seal ring; 87. a piston rod; 88. a guide bar; 89. a loop bar.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-4 heavily, a vehicle-mounted brake master cylinder inner wall auxiliary structure for preventing compression, reset and dislocation of a snap spring comprises a pump body 1, an oil inlet 7 is connected to the bottom end of the pump body 1, a compression assembly 8 is arranged inside the pump body 1, the compression assembly 8 comprises a connecting plate 81, the connecting plate 81 is connected to the middle position of the top end inside the pump body 1, a transmission rod 84 and a spring 85 are connected to the middle position of the bottom end of the connecting plate 81, the spring 85 is sleeved outside the transmission rod 84, the bottom end of the spring 85 is connected with a piston rod 87, sealing rings 86 are sleeved on the upper end and the lower end of the outer part of the piston rod 87, so as to ensure stable oil pressure and avoid brake failure due to pressure relief, guide rods 88 are annularly connected around the bottom end of the connecting plate 81, a sleeve rod 89 is sleeved on the bottom end of the outer part of the guide rods 88, and the bottom end of the sleeve rod 89 is connected with the piston rod 87, the inside of loop bar 89 is provided with the cavity, and cavity length equals with transfer line 84 length to transfer line 84 and guide bar 88 simultaneous action reduce transfer line 84's transmission pressure when braking, increase of service life, the spacing groove 83 has all been seted up all around to the pump body 1 inside, encircle connecting plate 81 a week is connected with four stopper 82, stopper 82 is sliding connection with spacing groove 83, stopper 82 is the T shape with spacing groove 83, thereby is supplementary spacing to connecting plate 81, avoids it to take place to rotate when the braking and causes equipment to damage.

Please refer to fig. 1, one end of the pump body 1 is connected with a sealing element 2, the middle position of the sealing element 2 is connected with a connecting rod 3 in a sliding manner, the connecting rod 3 extends to the inside of the pump body 1 and is connected with a connecting plate 81, the connecting rod 3 is connected with a brake pedal, so as to realize the braking action of the connecting plate 81, one end of the outside of the pump body 1 is connected with a pressure relief port 4, the other end of the outside of the pump body 1 is connected with a compensation oil hole 5, so as to facilitate oil return and pressure relief, avoid the brake pump from being stuck, and encircle one end of the outside of the pump body 1 is connected with a mounting ring 6, so as to facilitate the installation work of equipment.

The specific operation mode of the utility model is as follows:

when a vehicle brakes, the brake pedal is stepped down to enable the connecting rod 3 to move and drive the connecting plate 81 to move along with the connecting rod, the connecting plate 81 horizontally slides under the matching action of the limiting block 82 and the limiting groove 83, the spring 85 contracts under extrusion force at the moment, then the guide rod 88 and the transmission rod 84 slide downwards and drive the piston rod 87 to apply pressure downwards, the compensation oil hole 5 is shielded by the sealing ring 86 at the moment, meanwhile, the piston rod 87 applies pressure to enable pressure oil to enter the sub-pump along the oil inlet 7, braking work is completed, after the pedal is loosened, the pressure oil returns to enable the piston rod 87 to reset, the spring 85 resets and the pressure relief port 4 relieves pressure to internal air, and the connecting plate 81 returns.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims

1. The utility model provides a prevent that on-vehicle braking master cylinder inner wall auxiliary structure of jump ring compression dislocation that resets, includes the pump body (1), its characterized in that, the bottom of the pump body (1) is connected with oil inlet (7), the inside of the pump body (1) is provided with compression subassembly (8), compression subassembly (8) include connecting plate (81), connecting plate (81) are connected in the intermediate position of the inside top of the pump body (1), the intermediate position of connecting plate (81) bottom is connected with transfer line (84) and spring (85), the outside of transfer line (84) is located to spring (85) cover, the bottom of spring (85) is connected with piston rod (87), the annular is connected with guide bar (88) all around of connecting plate (81) bottom, the outside bottom cover of guide bar (88) is equipped with loop bar (89), the bottom of loop bar (89) is connected with piston rod (87), the pump body (1) is inside all seted up spacing groove (83) all around, encircles connecting plate (81) a week is connected with four stopper (82), stopper (82) are sliding connection with spacing groove (83).

2. The auxiliary structure for preventing the compression, resetting and dislocation of the snap spring of the vehicle-mounted master cylinder inner wall as claimed in claim 1, wherein a cavity is arranged inside the loop bar (89), and the length of the cavity is equal to that of the transmission rod (84).

3. The vehicle-mounted brake master cylinder inner wall auxiliary structure for preventing compression, resetting and dislocation of the clamp spring according to claim 1, wherein the limiting block (82) and the limiting groove (83) are both T-shaped.

4. The vehicle-mounted brake master cylinder inner wall auxiliary structure for preventing compression, resetting and dislocation of the clamp spring according to claim 1, is characterized in that a sealing ring (86) is sleeved on the outer upper end and the outer lower end of the piston rod (87) in a surrounding mode.

5. The auxiliary structure for preventing the compression, resetting and dislocation of the snap spring of a vehicle-mounted master cylinder according to claim 1 is characterized in that one end of the pump body (1) is connected with a sealing element (2), a connecting rod (3) is slidably connected to the middle position of the sealing element (2), and the connecting rod (3) extends into the pump body (1) and is connected with a connecting plate (81).

6. The vehicle-mounted brake master cylinder inner wall auxiliary structure for preventing compression, resetting and dislocation of the clamp spring according to claim 1, is characterized in that one end of the outside of the pump body (1) is connected with a pressure relief port (4), and the other end of the outside of the pump body (1) is connected with a compensation oil hole (5).

7. The vehicle-mounted brake master cylinder inner wall auxiliary structure for preventing compression, resetting and dislocation of the clamp spring according to claim 1, is characterized in that one end of the outer portion of the pump body (1) is connected with a mounting ring (6).