CN217123068U

CN217123068U - Device for disassembling fixed brake caliper piston

Info

Publication number: CN217123068U
Application number: CN202220925503.XU
Authority: CN
Inventors: 崔兆勇; 李永强; 刘航
Original assignee: Qingdao Kaku Remanufacturing Technology Co ltd
Current assignee: Qingdao Kaku Remanufacturing Technology Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-08-05
Anticipated expiration: 2032-04-20

Abstract

The utility model relates to a device for disassembling fixed brake caliper pistons, which comprises a screw, a claw hook component and a fixed shell; the screw rod penetrates through the hook claw assembly and is in threaded connection with the hook claw assembly, and the lower end of the hook claw assembly hooks the dust cover groove of the piston; the fixed shell is placed on the plane of the brake caliper cylinder hole; the bottom end of the screw rod is abutted to the center of the top surface of the fixed shell. The utility model discloses a device drives when the screw rod rotates and colludes claw subassembly upward movement and dismantle the piston, can simplify the dismouting process, can also avoid the damage to the piston when guaranteeing to dismantle smoothly, disassemble efficiently.

Description

Device for disassembling fixed brake caliper piston

Technical Field

The utility model relates to a frock among the automobile braking system technical field especially relates to a device for disassembling fixed braking pincers piston.

Background

In the prior art, when a fixed brake caliper rusts a piston, a special tool is not used, a hydraulic press, a cushion block, a screwdriver and other tools are needed to eject one part of the piston out, and then the screwdriver is used for prying the piston out. This method of disassembly is time consuming and labor intensive, inefficient, and prone to damage to the piston, making it unusable.

Disclosure of Invention

For solving the problem that exists among the above-mentioned prior art, the utility model provides a device for disassembling fixed braking pincers piston can simplify the dismouting process through the device, can also avoid the damage to the piston when guaranteeing to dismantle smoothly.

In order to achieve the above purpose, the utility model adopts the following scheme:

a device for disassembling a fixed brake caliper piston comprises a screw, a claw assembly and a fixed shell; the screw rod penetrates through the hook claw assembly and is in threaded connection with the hook claw assembly, and the lower end of the hook claw assembly hooks the dust cover groove of the piston; the fixed shell is placed on the plane of the brake caliper cylinder hole; the bottom end of the screw rod is abutted to the center of the top surface of the fixed shell.

Furthermore, the device also comprises a rotating handle, the top end of the screw rod is fixedly connected with the rotating handle, and the rotating handle drives the screw rod to rotate when rotating.

Further, a connecting pipe is arranged below the center of the rotating handle, and the rotating handle is tightly connected with the screw rod through the connecting pipe.

Further, the rotating handle is a straight handle, a cross handle or a round wheel handle.

Furthermore, the hook claw assembly comprises a conical column, a hook claw and a mounting disc, the diameter of the conical column is gradually reduced from top to bottom, the conical column is mounted on the screw rod, and the mounting disc is mounted on the screw rod below the conical column; the hook claws are uniformly arranged on the mounting disc, the upper ends of the hook claws are abutted to the conical surface of the conical column, and the lower ends of the hook claws hook the dust cover groove of the piston.

Further, the conical column is in threaded connection with the screw.

Furthermore, the upper end of the hook claw is provided with an outer convex claw, and the lower end of the hook claw is provided with an inner convex claw.

Furthermore, vertical grooves are formed in the side face of the fixed shell, the number and the positions of the vertical grooves and the hook claws correspond to each other, and the inner convex claws of the hook claws penetrate through the vertical grooves to hook the dust cover grooves of the piston.

Furthermore, a plurality of through holes are uniformly distributed in the mounting disc, the hook claw penetrates through the through holes through a pin shaft and is mounted on the mounting disc, and the hook claw can rotate around the pin shaft.

Furthermore, a handle is arranged on the top surface of the conical column.

The utility model has the advantages that:

the utility model discloses simple structure, design benefit colludes claw subassembly upward movement through the rotatory drive of screw rod and dismantles the piston will need various instruments to dismantle the complicated operation process who rusts the piston originally and simplify greatly, simultaneously because the reduction of use tool and area of contact's reduction, can not cause the damage to the piston of dismantlement in-process, labour saving and time saving when disassembling, it is efficient.

Drawings

Fig. 1 is a schematic structural view of the device for disassembling a fixed brake caliper piston according to the present invention.

Wherein: 1-rotating handle, 2-screw rod, 3-hook component, 3.1-conical column, 3.1.1-handle, 3.2-hook, 3.3-mounting disk, 3.3.1-perforation, 4-fixing shell and 4.1-vertical groove.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present application, the present invention will be further described in detail with reference to the accompanying drawings and examples.

The terms of orientation such as up, down, left, right, front, and rear in the present specification are established based on the positional relationship shown in the drawings. The corresponding positional relationship may also vary depending on the drawings, and therefore, should not be construed as limiting the scope of protection.

The present invention relates to a portable electronic device, and more particularly, to a portable electronic device, which can be connected to a portable electronic device, and can be connected to a portable electronic device through a connection structure, such as a connector, a. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The present embodiment describes a device for disassembling a piston of a fixed caliper for disassembling the piston of the caliper.

As shown in figure 1, the device comprises a rotating handle 1, a screw rod 2, a hook component 3 and a fixed shell 4, wherein the top end of the screw rod 2 is fixedly connected with the rotating handle 1, the bottom end of the screw rod abuts against the center of the top surface of the fixed shell 4, the hook component 3 is installed on the screw rod 2 and is used for being connected with a piston, and when the rotating handle 1 rotates, the hook component 3 drives the piston to move upwards to disassemble the piston in a brake caliper.

The connecting pipe is arranged below the center of the rotating handle 1, the rotating handle 1 is tightly connected with the screw rod 2 through the connecting pipe, and the rotating handle 1 is driven to rotate to realize the rotation of the screw rod 2. The rotary handle 1 can be a straight handle, a cross handle, a round wheel handle and the like. On the I-shaped handle, the connecting pipe is arranged below the center. On the cross-shaped handle, the connecting pipe is arranged below the cross-shaped cross. The round wheel type handle is of a circular structure, a plurality of wheel hubs are uniformly distributed in the circular structure in an encircling mode, and the connecting pipe is arranged below the center of the round wheel type handle.

The hook claw component 3 comprises a conical column 3.1, a hook claw 3.2 and a mounting disc 3.3. The center of the conical column 3.1 is provided with a through hole, the through hole is provided with an internal thread which is in threaded connection with the external thread on the screw rod 2, and the top surface of the conical column 3.1 is provided with a handle 3.1.1 for disassembling the fixed conical column 3.1 in the process and adjusting the height position of the conical column 3.1 according to the specifications of the piston so as to adapt to pistons with different sizes. The center of the hook claw 3.2 is provided with a mounting hole for connecting with the mounting disc 3.3. The center of the mounting disc 3.3 is provided with a through hole, the through hole is provided with an internal thread, and the mounting disc 3.3 is in threaded connection with the screw rod 2 below the conical column 3.1. The mounting disc 3.3 outside is encircleed the equipartition and is had a plurality of mounting grooves, and the mounting groove bilateral symmetry is equipped with the horizontal perforation 3.3.1, colludes claw 3.2 and arranges the mounting groove in, and the round pin axle is fixed in the perforation 3.3.1 of the mounting hole to this mounting groove opposite side that colludes claw 3.2 is passed by mounting groove one side perforation 3.3.1, colludes claw 3.2 and can rotate around the round pin axle. The number of the hooks 3.2 is set according to the specification of the piston, and the embodiment takes 3 hooks 3.2 as an example for explanation.

In this embodiment, the upper end of the hook claw 3.2 is provided with an outer convex claw which is pressed against the conical surface of the conical column 3.1, and the lower end of the hook claw 3.2 is provided with an inner convex claw which is used for hooking the dust cover groove of the piston. The diameter of the conical column 3.1 is gradually reduced from top to bottom, when the outer convex claw moves upwards along the conical surface of the conical column 3.1, the inner convex claw at the lower end of the hook claw 3.2 can be inwards tightened, so that the piston can be clamped, when the outer convex claw moves downwards along the conical surface of the conical column 3.1, the inner convex claw can be outwards opened, the piston is loosened, and the inner convex claw can be conveniently adjusted according to the specification of the piston.

In this embodiment, a plurality of vertical grooves 4.1 with openings at the lower part are uniformly distributed on the fixed shell 4 in a surrounding manner, and the number and the positions of the vertical grooves 4.1 and the hook claws 3.2 are all corresponding.

When the device is used for disassembling the piston, the brake caliper is fixed firstly, the fixed shell 4 is placed on the plane of the cylinder hole of the brake caliper, the piston is placed in the fixed shell 4, the conical column 3.1 is adjusted to a proper position, and the inner convex claw at the lower end of the hook claw 3.2 penetrates through the vertical groove 4.1 of the fixed shell 4 to hook the dust shield groove of the piston, so that the dust shield groove is in close contact with the dust shield groove. Then the handle 1 is rotated and rotated, the claw hook component 3 is driven by the screw rod 2 to move upwards, the piston is pulled out, and the effect of disassembling the piston is achieved.

While the principles of the invention have been described in detail in connection with the preferred embodiments thereof, it will be understood by those skilled in the art that the above-described embodiments are merely illustrative of exemplary implementations of the invention and are not limiting of the scope of the invention. The details in the embodiments do not constitute the limitations of the scope of the present invention, and any obvious changes such as equivalent transformation, simple replacement, etc. based on the technical solution of the present invention all fall within the protection scope of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A device for disassembling a fixed caliper piston, characterized in that it comprises a screw (2), a hooking jaw assembly (3) and a fixed shell (4); the screw rod (2) penetrates through the hook claw component (3) and is in threaded connection with the hook claw component, and the lower end of the hook claw component (3) hooks a dust cover groove of the piston; the fixed shell (4) is placed on the plane of the brake caliper cylinder hole; the bottom end of the screw rod (2) abuts against the center of the top surface of the fixed shell (4).

2. A device for disassembling a fixed brake caliper piston according to claim 1, further comprising a turning handle (1), the top end of said screw (2) being fixedly connected to said turning handle (1), said turning handle (1) turning to rotate said screw (2).

3. Device for disassembling a fixed brake caliper piston according to claim 2, characterized in that the turning handle (1) has a connection tube below its centre, through which the turning handle (1) is firmly connected to the screw (2).

4. A device for disassembling a fixed brake caliper piston according to claim 2, characterized in that said turning handle (1) is a straight handle, a cross handle or a wheel handle.

5. A device for disassembling a fixed caliper piston according to claim 1, characterized in that said hooking jaw assembly (3) comprises a conical cylinder (3.1), a hooking jaw (3.2), a mounting disc (3.3), said conical cylinder (3.1) having a diameter in a tapered form from top to bottom, said conical cylinder (3.1) being mounted on said threaded rod (2), said mounting disc (3.3) being mounted on said threaded rod (2) below said conical cylinder (3.1); a plurality of collude claw (3.2) equipartition and install on mounting disc (3.3), collude claw (3.2) upper end and support on the conical surface of awl post (3.1), collude claw (3.2) lower extreme and catch on the dust hood groove of piston.

6. A device for disassembling a fixed brake caliper piston according to claim 5, characterized in that said cone (3.1) is screwed to said screw (2).

7. A device for disassembling a fixed brake caliper piston according to claim 5, characterized in that said hooks (3.2) have an outer jaw at the upper end and an inner jaw at the lower end of said hooks (3.2).

8. A device for disassembling a fixed brake caliper piston according to claim 7, characterized in that said fixed housing (4) is provided with vertical slots (4.1) on its side, said vertical slots (4.1) corresponding to the number and position of said hooks (3.2), said inner prongs of said hooks (3.2) passing through said vertical slots (4.1) to hook the dust boot slot of said piston.

9. A device for disassembling a fixed brake caliper piston according to claim 5, wherein said mounting disc (3.3) is uniformly provided with a plurality of through holes (3.3.1), said hooks (3.2) are mounted on said mounting disc (3.3) by means of pins passing through said through holes (3.3.1), said hooks (3.2) being able to rotate around said pins.

10. A device for disassembling a fixed brake caliper piston according to claim 5, characterized in that said cone (3.1) is provided with a handle (3.1.1) on its top surface.