CN214519887U

CN214519887U - Dilator

Info

Publication number: CN214519887U
Application number: CN202120517473.4U
Authority: CN
Inventors: 王猛
Original assignee: BAIC Group ORV Co ltd
Current assignee: BAIC Group ORV Co ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-10-29
Anticipated expiration: 2031-03-11

Abstract

The utility model provides an expander, which comprises a first mounting plate, a second mounting plate, an adjusting rod and a fixing piece; the first mounting plate and the second mounting plate are arranged oppositely; the first end of the adjusting rod is arranged on the first mounting plate, and the second end of the adjusting rod is provided with the fixing piece; the second mounting plate is provided with a first mounting hole, and the adjusting rod penetrates through the first mounting hole and is connected with the second mounting plate; the first mounting hole is provided with an internal thread, and the adjusting rod is provided with an external thread matched with the internal thread. The second mounting plate moves towards or back to the direction of the first mounting plate on the adjusting rod by adjusting the adjusting rod, so that the brake caliper is opened by the compression hydraulic cylinder, and convenience is brought to assembly personnel to replace a friction plate of the brake caliper.

Description

Dilator

Technical Field

The utility model relates to the technical field of vehicles, especially, relate to an expander.

Background

The engineering sample car with high quality and high standard is assembled in research and development trial work, and the engineering sample car not only needs to have high-quality assembly and debugging workers, but also needs to have good tooling equipment to ensure smooth production. The brake caliper friction plate is an essential part of an automobile, and is a part with high replacement frequency in the running maintenance of the automobile.

At present, the friction plate of the brake caliper is replaced by manual operation, the skill of an assembler is required to be high, and the operation is inflexible due to narrow space, so that the friction plate can be replaced by a compression hydraulic cylinder, and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides an expander to solve manual change braking pincers friction disc, awkward problem.

In order to solve the technical problem, the present application is implemented as follows:

the embodiment of the utility model provides an expander, which comprises a first mounting plate, a second mounting plate, an adjusting rod and a fixing piece;

the first mounting plate and the second mounting plate are arranged oppositely;

the first end of the adjusting rod is arranged on the first mounting plate, and the second end of the adjusting rod is provided with the fixing piece;

the second mounting plate is provided with a first mounting hole, and the adjusting rod penetrates through the first mounting hole and is connected with the second mounting plate;

the second mounting hole is provided with an internal thread, and the adjusting rod is provided with an external thread matched with the internal thread.

Optionally, a first universal joint is arranged on the first mounting plate, and a first end of the adjusting rod is arranged on the first mounting plate through the first universal joint.

Optionally, the two opposite ends of the first mounting plate are respectively provided with a first universal joint and a second universal joint, and the first end of the adjusting rod is arranged on the first mounting plate through the first universal joint.

Optionally, a limiting notch is arranged on the first mounting plate, and the limiting notch is located between the first universal joint and the second universal joint.

Optionally, a groove is formed in the second mounting plate, and the groove and the limiting notch are arranged oppositely.

Optionally, the radius of the fixing part is larger than that of the adjusting rod.

Optionally, one end of the fixing piece, which is far away from the adjusting rod, is provided with an inner hexagonal wrench interface.

Optionally, the fixing member is fixedly connected with the adjusting rod.

Optionally, the first mounting plate and the second mounting plate are both made of a chrome vanadium steel material.

The embodiment of the utility model provides an expander, first mounting panel and second mounting panel including relative setting, adjust pole and mounting, the first end setting of adjusting the pole is on first mounting panel, the second end of adjusting the pole is provided with the mounting, be provided with on the second mounting panel and have the first mounting hole of internal screw thread, be provided with on the regulation pole with this internal thread assorted external screw thread, it is connected with the second mounting panel to adjust the pole to pass first mounting hole, it makes the second mounting panel orientation or the direction removal of first mounting panel dorsad to adjust the pole, when setting up first mounting panel and second mounting panel in braking pincers, through the aperture of adjusting the expander, thereby the braking pincers are opened to the compression pneumatic cylinder, it facilitates to change the braking pincers friction disc for the assembler.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of an expander provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an expander and a brake caliper according to an embodiment of the present invention;

fig. 3 is a schematic structural view of the expander and the upper control arm according to the embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention pertains. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance. But merely to distinguish between different components. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.

Referring to fig. 1 and 2, an embodiment of the present invention provides a dilator 100, which includes a first mounting plate 10, a second mounting plate 20, an adjusting rod 30, and a fixing member 40;

the first mounting plate 10 and the second mounting plate 20 are oppositely arranged;

a first end of the adjusting rod 30 is arranged on the first mounting plate 10, and a second end of the adjusting rod 30 is provided with the fixing member 40;

a first mounting hole 21 is formed in the second mounting plate 20, and the adjusting rod 30 penetrates through the first mounting hole 21 and is connected with the second mounting plate 20;

the first mounting hole 21 is provided with an internal thread, and the adjusting rod 30 is provided with an external thread matched with the internal thread.

The brake disc of the vehicle is fixed on the wheel hub, and the brake caliper is fixed on the axle and can not rotate or move along the axial direction of the brake disc. Two brake wheel cylinder pistons are arranged in the brake caliper and respectively press the brake blocks on two sides of the brake disc. When a driver steps on a brake pedal to brake an automobile, brake fluid from a brake master cylinder is pressed into a brake wheel cylinder, the hydraulic pressure of the brake wheel cylinder is increased, a piston of the two wheel cylinder moves towards a brake disc under the action of the hydraulic pressure to press a brake piece against the brake disc, the brake piece clamps the brake disc, and friction torque for preventing the wheels from rotating is generated, so that braking is achieved. The performance of all the friction plates on the brake caliper directly influences the braking process of the vehicle, so that the friction plates of the brake caliper need to be replaced after the vehicle runs for a certain distance.

The fixing member 40 is a handle arranged on the adjusting lever 30, and an installer can hold the handle by hand and rotate the adjusting lever 30 by grabbing the handle, so that the use comfort is improved, and the specific shape of the handle is not limited in this embodiment; the fixing member 40 may also be a hook disposed on the adjusting rod 30, and the dilator 100 may be suspended by the hook when not in use, so as to save space, and the specific shape of the hook is not limited in this embodiment. The first mounting hole 21 of the second mounting plate 20 has an internal thread, and the adjusting rod 30 has an external thread matching with the internal thread, and the internal thread and the external thread are matched with each other, so that the second mounting plate 20 moves towards or away from the first mounting plate 10 along with the adjusting rod 30, thereby adjusting the distance between the first mounting plate 10 and the second mounting plate 20.

The expander 100 provided in this embodiment includes a first mounting plate 10 and a second mounting plate 20 that are arranged oppositely, an adjusting rod 30 and a fixing member 40, a first end of the adjusting rod 30 is arranged on the first mounting plate 10, a second end of the adjusting rod 30 is provided with the fixing member 40, the second mounting plate 20 is provided with a first mounting hole 21 having an internal thread, the adjusting rod 30 is provided with an external thread matched with the internal thread, the adjusting rod 30 passes through the first mounting hole 21 and is connected with the second mounting plate 20, the adjusting rod 30 is adjusted to move the second mounting plate 20 towards or away from the first mounting plate 10, when the first mounting plate 10 and the second mounting plate 20 are arranged in the expander, the expander overcomes the resistance of a hydraulic cylinder to open the brake caliper by adjusting the opening degree of the expander 100, and convenience is provided for an assembler to replace a friction plate of the brake caliper.

Optionally, a first universal joint 11 is disposed on the first mounting plate 10, and a first end of the adjusting rod 30 is disposed on the first mounting plate 10 through the first universal joint 11.

The first mounting plate 10 is provided with a first universal joint 11, wherein the universal joint is a part for realizing variable-angle power transmission, a first end of the adjusting rod 30 is connected with the first universal joint 11, and the adjusting rod 30 can rotate on the first mounting plate 10 through the first universal joint 11.

Optionally, the two opposite ends of the first mounting plate 10 are respectively provided with a first universal joint 11 and a second universal joint, and the first end of the adjusting rod 30 is arranged on the first mounting plate 10 through the first universal joint 11.

The first mounting plate 10 is provided with a first universal joint 11 and a second universal joint, and the second mounting plate is provided with a second mounting hole 22, wherein the second mounting hole 22 and the first mounting hole 21 are respectively arranged at two sides of the second mounting plate 20, and the second mounting hole 22 is arranged opposite to the second universal joint 12. when the expander 100 is used, according to different habits and force directions, the adjusting rod 30 can be selected to pass through the first mounting hole 21 on the second mounting plate 20 to be connected with the first universal joint 11, or the adjusting rod 30 passes through the second mounting hole 22 on the second mounting plate 20 to be connected with the second universal joint 12, so that the use flexibility of the expander 100 is improved.

Optionally, a limiting notch 13 is arranged on the first mounting plate 10, and the limiting notch 13 is located between the first gimbal 11 and the second gimbal.

In this embodiment, a limiting notch 13 is disposed on the first mounting plate 10, wherein a part of the object to be adjusted and opened corresponds to the limiting notch 13, the object to be adjusted and opened is clamped in the limiting notch 13, so that the limiting notch 13 is filled, and the shape of the limiting notch 13 can be determined according to the shape of the object to be expanded or separated.

Optionally, a groove 23 is formed in the second mounting plate 20, and the groove 23 is opposite to the limit notch 13.

The second mounting plate 20 is provided with a groove 23, an opening of the groove 23 faces the first mounting plate 10 and is opposite to the limit notch 13, a part of an object which is opposite to the limit notch 13 and needs to be adjusted to be opened corresponds to the groove 23, the part is arranged in the groove 23, so that the groove 23 is filled, the shape of the groove 23 can be determined according to the shape of the object which needs to be expanded or separated, for example, an upper control arm and a steering knuckle which need to be separated, please refer to fig. 3, the upper controller and the steering knuckle are fixed through a mounting bolt, one end of the mounting bolt is clamped in the limit notch 13, the other end of the mounting bolt is arranged in the groove 23, and the adjusting rod 30 is adjusted, so that the second mounting plate 20 moves in a direction away from the first mounting plate 10 to drive the steering knuckle to move back to the upper control arm, thereby realizing the separation of the upper control arm and the steering knuckle.

Optionally, the radius of the fixing member 40 is larger than the radius of the adjustment rod 30.

In this embodiment, the fixing member 40 provided on the second end of the adjustment lever 30 is larger than the radius of the adjustment lever 30, and the second mounting plate 20 is restricted to move only between the fixing member 40 and the first mounting plate 10, thereby improving the integrity of the tool.

Optionally, an end of the fixing member 40 away from the adjusting rod 30 is provided with an allen wrench socket 41.

In this embodiment, the socket wrench socket 41 is disposed at the second end of the fixing member 40, so that a pneumatic or electric wrench can be connected to the fixing member 40, the fixing member 40 can be separated from the adjustment rod 30 by the pneumatic or electric wrench, or the adjustment rod 30 can be rotated by the pneumatic or electric wrench.

Optionally, the fixing member 40 is fixedly connected to the adjusting lever 30.

The fixing member 40 and the adjusting rod 30 are fixedly connected, that is, the fixing member 40 and the adjusting rod 30 do not have relative movement therebetween, wherein the fixing member 40 and the adjusting rod 30 can be fixed by welding, riveting or the like, in addition, the fixing member 40 can also be provided with an internal thread hole matched with the external thread of the adjusting rod 30, the fixing member 40 and the adjusting rod 30 are matched with each other through the internal and external threads until being meshed with each other, the fixing member 40 and the adjusting rod 30 do not generate relative distance change any more, that is, the fixing member 40 is fixedly arranged at the second end of the adjusting rod 30, and this embodiment of the fixing connection mode is not limited.

Optionally, the first mounting plate 10 and the second mounting plate 20 are both made of a chrome vanadium steel material.

The chromium vanadium steel is alloy tool steel added with chromium vanadium alloy elements, has high hardness after heat treatment and good wear resistance under specific working conditions, and is suitable for manufacturing tools such as wrenches and the like. And the market price of the chromium vanadium steel is relatively cheap, and the chromium vanadium steel can be produced in large quantities.

In this embodiment, the first mounting plate 10 and the second mounting plate 20 are made of chrome vanadium steel, so that the manufactured finished product has high hardness and strong wear resistance, and the service life of the expander 100 can be prolonged.

In addition, the first mounting plate 10 and the second mounting plate 20 may be made of other materials with good strength and toughness, for example: aluminum alloy, titanium alloy, and the like, but this embodiment is not limited thereto.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The expander is characterized by comprising a first mounting plate, a second mounting plate, an adjusting rod and a fixing piece;

the first mounting plate and the second mounting plate are arranged oppositely;

the first mounting hole is provided with an internal thread, and the adjusting rod is provided with an external thread matched with the internal thread.

2. The spreader of claim 1, wherein the first mounting plate has a first gimbal disposed thereon, and wherein the first end of the adjustment bar is disposed on the first mounting plate via the first gimbal.

3. The spreader of claim 1, wherein the first mounting plate has first and second universal joints disposed on opposite ends thereof, respectively, and the first end of the adjustment bar is disposed on the first mounting plate via the first universal joint.

4. The spreader of claim 3, wherein the first mounting plate has a spacing notch disposed thereon, the spacing notch being located between the first gimbal and the second gimbal.

5. The expander according to claim 4, wherein the second mounting plate is provided with a groove, the groove being disposed opposite the retention notch.

6. The dilator of claim 1, wherein a radius of the fixation member is larger than a radius of the adjustment rod.

7. The dilator of claim 1, wherein an end of the fixation member distal to the adjustment rod is provided with an allen wrench socket.

8. The dilator of claim 1, wherein the fixation member is fixedly connected to the adjustment rod.

9. The expander according to claim 1, wherein the first mounting plate and the second mounting plate are both made of a chrome vanadium steel material.