CN215318471U

CN215318471U - Self-adjusting wheel cylinder integrated assembly tool

Info

Publication number: CN215318471U
Application number: CN202121261398.6U
Authority: CN
Inventors: 黄剑锋; 林锦明
Original assignee: Xiamen Yusin Machinery Industry Co ltd
Current assignee: Xiamen Yusin Machinery Industry Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-28
Anticipated expiration: 2031-06-07

Abstract

The utility model provides an integrated assembly tool for a self-adjusting wheel cylinder, which comprises a device main body shell, wherein one side surface of a supporting plate is fixedly connected with one side surface of the device main body shell, one end surface of the supporting plate is fixedly sleeved on the outer surface of a limiting bolt, a threaded hole is formed in the upper surface of the supporting plate downwards, an adjusting ejector rod is movably sleeved in the threaded hole, and one end of the adjusting ejector rod is fixedly connected to one side surface of a shifting fork plate; through setting up regulation ejector pin and backup pad, device main part shell side has increased a regulation ejector pin, the ejector pin is exposed outside at brake assembly back head, can make the adjusting wheel can the free rotation with shifting fork board jack-up through the manual ejector pin of pressing down, reuse screwdriver can rotate the adjusting wheel and reach the effect in manual regulation braking clearance, complicated operation when having simplified current scheme after-sale maintenance in the function, has avoided dismantling and installing the brake drum, can realize quick accurate adjustment, saves man-hour.

Description

Self-adjusting wheel cylinder integrated assembly tool

Technical Field

The utility model relates to the technical field of brake pumps, in particular to an integrated assembly tool for a self-adjusting wheel cylinder.

Background

The main function of the brake cylinder is to push the brake block, which rubs the brake drum to reduce the speed and make it static, the master cylinder generates thrust to press the hydraulic oil to the cylinder after the brake is stepped on, the piston in the cylinder starts to move by the hydraulic pressure to push the brake block, the hydraulic brake is composed of the master cylinder and the brake oil storage tank, one end of the master cylinder is connected with the brake pedal, the other end is connected with the brake oil pipe, the brake master cylinder stores the brake oil and has oil outlet and oil inlet.

The self-adjusting wheel cylinder is an integrated assembly tool of the self-adjusting wheel cylinder with a brake clearance adjusting mechanism in the brake wheel cylinder, the brake clearance adjusting mechanism in the original brake drum is integrated on the brake wheel cylinder by the structure, and the self-adjusting wheel cylinder is discovered to have an automatic adjusting function through use, but the self-adjusting wheel cylinder lacks a manual adjusting function during after-sale maintenance, the whole brake drum needs to be disassembled to manually adjust the brake clearance, so that the operation is inconvenient, time-consuming and labor-consuming.

In view of this, the present inventors have specially designed an integrated assembly fixture for a self-adjusting cylinder, and have developed this.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the technical scheme of the utility model is as follows:

the utility model provides a self-modulation wheel cylinder integration assembly fixture, includes device main body cover, device main body cover's last fixed surface is connected with the declutch shift board, the circular slot has been seted up to the upper surface one end of declutch shift board, the inside of circular slot is equipped with spacing bolt, the fixed cover of surface of spacing bolt has connect the buckle, the outer wall of buckle is laminated with the inner wall of circular slot mutually, a side surface of device main body cover is equipped with the backup pad, a side surface of backup pad and a side fixed surface of device main body cover are connected, and the fixed cover of one end surface of backup pad connects at the surface of spacing bolt, the upper surface of backup pad has set up threaded hole downwards, the inside activity of screw hole has cup jointed the regulation ejector pin, the one end fixed connection of adjusting the ejector pin is at a side surface of declutch shift board.

Furthermore, the upper surface of shifting fork board is equipped with the fixed plate, the rectangular channel has been seted up at the middle part of fixed plate, the inside of rectangular channel is equipped with the fixed plate spring, the one end of fixed plate spring and the one end fixed connection of fixed plate, the other end of fixed plate spring and one side fixed surface of device main part shell are connected.

Further, the inside both ends of device main part shell movable mounting respectively have fixed piston and transfer the clearance piston, the mounting groove has been seted up respectively at both ends about the opposite face of fixed piston and transfer the clearance piston, the equal fixed mounting in inside of mounting groove has the leather collar.

Furthermore, dust covers are arranged on the surfaces of the other sides of the gap adjusting piston and the fixed piston, and the dust covers are of circular arch structures.

Further, the other side surface of device main part shell is equipped with spring top and return spring, spring top fixed mounting is on the other side surface of device main part shell, the fixed cover of one end of return spring connects the surface at spring top, return spring's other end fixed connection is in the other side surface of device main part shell.

Further, the gap adjusting piston is of a hollow structure, and extends to the outside of the device main body shell.

Furthermore, the gap adjusting piston extends to one side surface of the outer part of the device main body shell and is fixedly connected with an adjusting wheel, and an adjusting bolt is sleeved in the gap adjusting piston.

Furthermore, one side surface of the adjusting bolt is in a split arrangement, and the adjusting bolt is arranged inside the adjusting wheel.

According to the utility model, the adjusting ejector rod and the supporting plate are arranged, the adjusting ejector rod is additionally arranged on the side surface of the device main body shell, the head of the ejector rod is exposed outside after the brake is assembled, the shifting fork plate can be jacked up by manually pressing the ejector rod to enable the adjusting wheel to rotate freely, and then the adjusting wheel can be rotated by using a screwdriver to achieve the effect of manually adjusting the braking gap, so that the complex operation of the existing scheme during after-sale maintenance is simplified functionally, the brake drum is prevented from being disassembled and assembled, the rapid and accurate adjustment can be realized, and the working hours are saved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.

Wherein:

FIG. 1 is a schematic overall front cross-sectional view provided by an embodiment of the present invention;

FIG. 2 is a schematic overall top view provided by an embodiment of the present invention;

FIG. 3 is a schematic overall side view provided by an embodiment of the present invention.

Description of reference numerals:

1. adjusting the bolt; 2. an adjustment wheel; 3. a gap adjusting piston; 4. a dust cover; 5. a leather collar; 6. a fixed piston; 7. buckling; 8. a limit bolt; 9. a shifting fork plate; 10. a fixing plate; 11. a fixed plate spring; 12. a return spring; 13. a spring top; 14. adjusting the ejector rod; 15. a support plate; 16. a device main body casing.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 3, an integrated assembly fixture for a self-adjusting wheel cylinder according to a preferred embodiment of the present invention includes a main housing 16, a fork 9 is fixedly connected to an upper surface of the main housing 16, a circular groove is formed at one end of the upper surface of the fork 9, a limit bolt 8 is disposed inside the circular groove, a buckle 7 is fixedly sleeved on an outer surface of the limit bolt 8, an outer wall of the buckle 7 is attached to an inner wall of the circular groove, a support plate 15 is disposed on a side surface of the main housing 16, a side surface of the support plate 15 is fixedly connected to a side surface of the main housing 16, an end surface of the support plate 15 is fixedly sleeved on an outer surface of the limit bolt 8, a threaded hole is formed in a lower surface of the support plate 15, an adjusting ejector 14 is movably sleeved inside the threaded hole, and one end of the adjusting ejector 14 is fixedly connected to a side surface of the fork 9, the whole device can be adjusted by screwing the adjusting ejector rod 14 without integrally disassembling the whole device, so that the time and the workload of the whole maintenance of the device are greatly reduced; the device comprises a device main body shell 16, a fixed piston 6 and a gap adjusting piston 3 are movably mounted at two ends in the device main body shell 16 respectively, mounting grooves are formed in the upper end and the lower end of the opposite surface of the fixed piston 6 and the gap adjusting piston 3 respectively, leather rings 5 are fixedly mounted in the mounting grooves, the gap adjusting piston 3 is of a hollow structure, the gap adjusting piston 3 extends to the outside of the device main body shell 16, an adjusting wheel 2 is fixedly connected to the surface of one side of the gap adjusting piston 3 extending to the outside of the device main body shell 16, an adjusting bolt 1 is sleeved in the gap adjusting piston 3, the surface of one side of the adjusting bolt 1 is in a split arrangement, the adjusting bolt 1 is arranged in the adjusting wheel 2, and one end of the adjusting bolt 1 is in the split arrangement, so that the whole device can be effectively clamped and fixed with an external fixture, and the whole device is more stable; the other side surfaces of the clearance adjusting piston 3 and the fixed piston 6 are both provided with a dust cover 4, and the dust cover 4 is in a circular arch structure; the other side surface of device body shell 16 is equipped with spring top 13 and return spring 12, and spring top 13 fixed mounting is in the other side surface of device body shell 16, and the fixed cover of one end of return spring 12 connects at the surface of spring top 13, and return spring 12's other end fixed connection is in the other side surface of device body shell 16, through setting up return spring 12, has further improved the holistic effect that resets of device.

It should also be noted that: the upper surface of declutch shift plate 9 is equipped with fixed plate 10, the rectangular channel has been seted up at the middle part of fixed plate 10, the inside of rectangular channel is equipped with fixed plate spring 11, the one end of fixed plate spring 11 and the one end fixed connection of fixed plate 10, fixed plate spring 11's the other end and the one side fixed surface of device main part shell 16 are connected, when using, the action of reseing to clearance piston 3 is adjusted for coming for to accessible fixed plate spring 11's shrink and bounce-back, and easy operation is convenient.

In conclusion, the adjusting ejector rod 14 is arranged, in the whole vehicle braking system, the brake cylinder and the brake master cylinder are connected through the oil pipe, when a driver steps on a brake pedal in the driving process, the amplified force of the brake pedal is transmitted to a master brake pump through a vacuum booster to compress hydraulic pressure to generate pressure so as to push out a clearance adjusting piston 3 on a brake cylinder, a fixed plate spring 11 buckled on the clearance adjusting piston 3 is pulled, the other end of the fixed plate spring 11 is connected with a shifting fork plate 9, the shifting fork plate 9 is connected with a shifting fork plate to move towards the extending direction of the clearance adjusting piston 3, but the upper part of the shifting fork plate 9 is limited by a limiting bolt 8, therefore, the adjusting bolt can only rotate clockwise around the limiting bolt 8, so that the adjusting wheel 2 is stirred to rotate, the adjusting bolt 1 is screwed out to adjust the clearance between the brake shoe and the brake disc, the shifting fork plate 9 can be jacked up by manually pressing the mandril, so that the adjusting wheel 2 can rotate freely, and the adjusting wheel 2 can be rotated by using a screwdriver to achieve the effect of manually adjusting the braking clearance.

The utility model has been described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the specific implementation in the above-described manner, and it is within the scope of the utility model to apply the inventive concept and solution to other applications without substantial modification.

Claims

1. A self-adjusting wheel cylinder integrated assembly fixture comprises a device main body shell (16) and is characterized in that a shifting fork plate (9) is fixedly connected to the upper surface of the device main body shell (16), a circular groove is formed in one end of the upper surface of the shifting fork plate (9), a limiting bolt (8) is arranged inside the circular groove, a buckle (7) is fixedly sleeved on the outer surface of the limiting bolt (8), the outer wall of the buckle (7) is attached to the inner wall of the circular groove, a supporting plate (15) is arranged on one side surface of the device main body shell (16), one side surface of the supporting plate (15) is fixedly connected with one side surface of the device main body shell (16), one end surface of the supporting plate (15) is fixedly sleeved on the outer surface of the limiting bolt (8), a threaded hole is formed in the lower portion of the upper surface of the supporting plate (15), an adjusting ejector rod (14) is movably sleeved inside the threaded hole, one end of the adjusting ejector rod (14) is fixedly connected to one side surface of the shifting fork plate (9).

2. The self-adjusting wheel cylinder integrated assembly fixture as claimed in claim 1, wherein a fixing plate (10) is arranged on the upper surface of the shifting fork plate (9), a rectangular groove is formed in the middle of the fixing plate (10), a fixing plate spring (11) is arranged inside the rectangular groove, one end of the fixing plate spring (11) is fixedly connected with one end of the fixing plate (10), and the other end of the fixing plate spring (11) is fixedly connected with one side surface of the device main body shell (16).

3. The self-adjusting wheel cylinder integrated assembly fixture as claimed in claim 1, wherein a fixed piston (6) and a gap adjusting piston (3) are movably mounted at two ends of the interior of the device main body housing (16) respectively, mounting grooves are formed in the upper end and the lower end of the opposite surface of the fixed piston (6) and the gap adjusting piston (3) respectively, and leather rings (5) are fixedly mounted in the mounting grooves.

4. The self-adjusting wheel cylinder integrated assembly fixture as claimed in claim 3, wherein dust covers (4) are arranged on the surfaces of the other sides of the gap adjusting piston (3) and the fixed piston (6), and the dust covers (4) are of circular arch structures.

5. The self-adjusting wheel cylinder integrated assembly tool according to claim 1, characterized in that a spring top (13) and a return spring (12) are arranged on the other side surface of the device main body casing (16), the spring top (13) is fixedly installed on the other side surface of the device main body casing (16), one end of the return spring (12) is fixedly sleeved on the outer surface of the spring top (13), and the other end of the return spring (12) is fixedly connected to the other side surface of the device main body casing (16).

6. The self-adjusting pump integrated assembly tool according to claim 3, wherein the gap adjusting piston (3) is of a hollow structure, and the gap adjusting piston (3) extends to the outside of a device main body shell (16).

7. The self-adjusting wheel cylinder integrated assembly tool according to claim 6, wherein an adjusting wheel (2) is fixedly connected to the surface of one side of the gap adjusting piston (3) extending to the outside of the device main body shell (16), and an adjusting bolt (1) is sleeved inside the gap adjusting piston (3).

8. The self-adjusting wheel cylinder integrated assembly tool according to claim 7, characterized in that one side surface of the adjusting bolt (1) is in a split arrangement, and the adjusting bolt (1) is arranged inside the adjusting wheel (2).