CN217519103U

CN217519103U - Drum brake bottom plate assembly

Info

Publication number: CN217519103U
Application number: CN202221157839.2U
Authority: CN
Inventors: 张胜奇
Original assignee: Hubei Maoze Electromechanical Technology Co ltd
Current assignee: Hubei Maoze Electromechanical Technology Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-09-30
Anticipated expiration: 2032-05-16

Abstract

The utility model relates to an automotive brake technical field just discloses a drum brake bottom plate assembly, which comprises a base plate, the mounting groove has been seted up to the front end of base plate, the equal fixedly connected with fixed pin in both sides of mounting groove bottom. Through the use of first spring, make first limiting plate can carry out the back-and-forth movement, and the back-and-forth movement of first limiting plate, make the movable rod can drive the function board and carry out the back-and-forth movement, make then the function board can adjust fixed work to the brake pump, wherein the guard plate that the function board includes can be when drum brake carries out emergency braking, carry out check work to the produced spark of brake shoe and brake drum contact, prevent then that the damage phenomenon from appearing in the surface of brake pump, thereby the protectiveness of equipment has been improved, and the limiting plate that the function board includes can support the work to the bottom of brake pump, the stability of brake pump has been improved then, thereby the practicality of equipment has been improved.

Description

Drum brake bottom plate assembly

Technical Field

The utility model relates to an automotive brake technical field specifically is a drum brake bottom plate assembly.

Background

A brake is a component that applies a braking torque to a rotating member via a fixed member to reduce a rotational angular velocity thereof, thereby performing a deceleration operation on a rotating wheel. The kind of brake is generally classified into a disc brake and a drum brake, wherein the drum brake is generally composed of a brake drum, a brake spider, a brake pump, a brake shoe, a support pin, and a return spring.

At present, the brake bottom plate on the market is mainly a disc body for mounting various components, most of the interior of the disc body is provided with a threaded groove body, and therefore when workers mount various components, the various components may be mounted to the interior of the brake spider by bolts, but with a screw-mounted brake pump, most of the outer surface of the brake pump is in a spacious state, and then when the drum brake carries out emergency braking, the brake pump is damaged due to sparks generated by the contact of the brake shoe and the brake drum, thereby affecting the utility of the apparatus, and because the brake shoe needs to be moved, and then both ends of the brake shoe are mostly connected with the brake pump and the support pin, the use of this mode for brake shoe and brake shoe contactless each other make brake shoe stability after connecting then not high, have further influenced the practicality of equipment.

SUMMERY OF THE UTILITY MODEL

The utility model provides a drum brake bottom plate assembly possesses fixed protection brake pump and improves the advantage of brake shoe stability, has solved the problem that the aforesaid elucidated.

The utility model provides a following technical scheme: the utility model provides a drum brake bottom plate assembly, includes the base plate, the mounting groove has been seted up to the front end of base plate, the equal fixedly connected with fixed pin in both sides of mounting groove bottom, the front end fixedly connected with fixed plate of fixed pin, the internal surface swing joint at mounting groove top has the movable rod, the front end fixedly connected with function board of movable rod, the first limiting plate of rear end fixedly connected with of movable rod.

Preferably, the outer surface of the base plate is fixedly connected with the heat removal pads, the number of the heat removal pads is four, one side of each heat removal pad close to the base plate is fixedly connected with the heat conducting rod, and one side of each heat conducting rod far away from the heat removal pad penetrates through the base plate and extends to the inside of the mounting groove.

Preferably, the top fixedly connected with first spring of base plate rear end, the quantity of first spring is two, two the rear end of first spring is connected with the front end of first limiting plate.

Preferably, the function board comprises a protection board, the top and the bottom of the rear end of the protection board are fixedly connected with a limiting board, and the length from the front end to the rear end of the limiting board is half of the length from the front end to the rear end of the installation groove.

Preferably, the oil pipe groove is formed in the top of the mounting groove, the limiting rod groove is formed in the center of the mounting groove, the radiating grooves are formed in the periphery of the mounting groove, the inner surfaces of the radiating grooves are smaller than those of the limiting rod groove, and the functional grooves are formed in the two sides of the mounting groove.

Preferably, the center of the functional groove is fixedly connected with a limiting rod, the outer surface of the limiting rod is movably connected with a moving block, the front end of the moving block is fixedly connected with a supporting rod, the outer surface of the center of the supporting rod is fixedly connected with a second limiting plate, the outer surface of the front end of the supporting rod is in a threaded shape, and the outer surface of the front end of the supporting rod is movably connected with a threaded plate.

Preferably, one side of the functional groove far away from the center of the base plate is fixedly connected with a second spring, one side of the second spring close to the center of the base plate is connected with the moving block, and the inner surface of the second spring is larger than the outer surface of the limiting rod.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this drum brake bottom plate assembly, use through first spring, make first limiting plate can carry out the back-and-forth movement, and the back-and-forth movement of first limiting plate, make the movable rod can drive the function board and carry out the back-and-forth movement, then make the function board can adjust fixed work to the brake pump, wherein the guard plate that the function board includes can be when drum brake carries out emergency braking, carry out check work to the produced spark of brake shoe and brake drum contact, prevent then that the damage phenomenon from appearing in the surface of brake pump, thereby the protectiveness of equipment has been improved, and the limiting plate that the function board includes can support work to the bottom of brake pump, then the stability of brake pump has been improved, thereby the practicality of equipment has been improved.

2. This drum brake bottom plate assembly, cooperation through heat removal pad and heat conduction pole is used, can carry out heat conduction transmission work to the inside temperature of mounting groove, then can carry out the work of dispelling the heat to the inside device of mounting groove, then prevent that the inside device of mounting groove from appearing overheated damage phenomenon, and the restriction pole, the movable block, the bracing piece, the second limiting plate, the cooperation of thread plate and second spring is used, can support the limited work to the brake shoe, then prevent that the brake shoe from taking place to drop or skew phenomenon, wherein the use of second spring, can carry out the work of reseing to the movable block, then can carry out the work of reseing to the brake shoe, and then the practicality of equipment has been improved.

Drawings

FIG. 1 is a main view of the structure of the present invention;

FIG. 2 is a sectional view from the top of the structure of the present invention to the center of the function board;

FIG. 3 is a right side sectional view of the structure of the present invention;

FIG. 4 is a cross-sectional view from the top of the structure of the present invention to the center of the fixing plate;

fig. 5 is a partial enlarged view of the structure of fig. 1 of the present invention.

In the figure: 1. a substrate; 2. a heat removal pad; 3. a heat conducting rod; 4. a fixing pin; 5. a fixing plate; 6. a movable rod; 7. a function board; 8. a first limit plate; 9. a first spring; 10. a restraining bar; 11. a moving block; 12. A support bar; 13. a second limiting plate; 14. a thread plate; 15. a second spring.

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 only some embodiments of the present invention, not all embodiments. 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.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, a drum brake bottom plate assembly, which includes a substrate 1, a heat removal pad 2 is fixedly connected to an outer surface of the substrate 1, the heat removal pad 2 is used to receive heat conducted by a heat conducting rod 3, and then the heat removal pad 2 is transmitted to the air, the number of the heat removal pad 2 is four, one side of the four heat removal pads 2 close to the substrate 1 is fixedly connected with the heat conducting rod 3, the heat conducting rod 3 is used to conduct heat generated inside an installation groove, so as to reduce the temperature inside the installation groove, thereby preventing the device inside the installation groove from being damaged by overheating, and one side of the heat conducting rod 3 far away from the heat removal pad 2 penetrates through the substrate 1 and extends to the inside of the installation groove.

Wherein the front end of the base plate 1 is provided with a mounting groove, both sides of the bottom of the mounting groove are fixedly connected with a fixed pin 4, the fixed pin 4 and the fixed plate 5 are matched for use, the bottom of a brake shoe can be supported for limiting work, and then the brake shoe can only rotate at the top, the front end of the fixed pin 4 is fixedly connected with the fixed plate 5, the inner surface of the top of the mounting groove is movably connected with a movable rod 6, the movable rod 6 moves forwards, so that a function plate 7 moves forwards, the front end of the movable rod 6 is fixedly connected with the function plate 7, the function plate 7 moves forwards, so that a worker can place a brake pump at the rear end of the function plate 7, the function plate 7 comprises a protection plate, the use of the protection plate can protect the brake pump, the top and the bottom of the rear end of the protection plate are fixedly connected with limit plates, the use of the limit plates can support and limit work for the brake pump, the length of limiting plate front end to rear end is half of mounting groove front end to rear end length, the rear end fixedly connected with first limiting plate 8 of movable rod 6, first limiting plate 8 move forward, make movable rod 6 move forward, the first spring 9 of top fixedly connected with of 1 rear end of base plate, the contractility of first spring 9, make first limiting plate 8 can move forward, and when the brake pump is located the rear end of function board 7, can make first limiting plate 8 carry out the rebound through the reaction force of first spring 9, then make movable rod 6 drive function board 7 carry out the rebound, thereby make function board 7 carry out fixed work to the brake pump, the quantity of first spring 9 is two, the rear end of two first springs 9 is connected with the front end of first limiting plate 8.

Referring to fig. 1 and 5, an oil pipe groove is formed at the top of the mounting groove, the oil pipe groove is formed so that an oil pipe can enter the inside of the mounting groove, a limiting rod groove is formed at the center of the mounting groove so that a rod body can enter the inside of the mounting groove, radiating grooves are formed around the mounting groove, external natural wind can enter the inside of the mounting groove and then radiate the device inside the mounting groove, the inner surface of the radiating grooves is smaller than that of the limiting rod groove, functional grooves are formed at both sides of the mounting groove, a limiting rod 10 is fixedly connected to the center of the functional grooves, the limiting rod 10 is used to support the moving block 11 and also enable the moving block 11 to have the moving capability, a moving block 11 is movably connected to the outer surface of the limiting rod 10, and the moving block 11 can perform auxiliary moving work on a brake shoe, the front end of the moving block 11 is fixedly connected with a supporting rod 12, the supporting rod 12 is used and can support a brake shoe, the outer surface of the center of the supporting rod 12 is fixedly connected with a second limiting plate 13, the second limiting plate 13 and a threaded plate 14 are matched for use, the brake shoe can be installed on the supporting rod 12, the outer surface of the front end of the supporting rod 12 is threaded, the threaded plate 14 is movably connected to the outer surface of the front end of the supporting rod 12, one side of a functional groove, which is far away from the center of the base plate 1, is fixedly connected with a second spring 15, the second spring 15 is used and can reset the moving block 11 through a reaction force when the brake shoe stops moving, and then the brake shoe is reset, one side of the second spring 15, which is close to the center of the base plate 1, is connected with the moving block 11, and the inner surface of the second spring 15 is larger than the outer surface of the limiting rod 10.

The theory of operation, use through first spring 9, make first limiting plate 8 can carry out the back-and-forth movement, and the back-and-forth movement of first limiting plate 8, make movable rod 6 can drive function board 7 and carry out the back-and-forth movement, then make function board 7 can adjust fixed work to the brake pump, wherein the guard plate that function board 7 includes can be when drum brake carries out emergency braking, carry out check work to the produced spark of brake shoe and brake drum contact, prevent then that the damage phenomenon from appearing in the surface of brake pump, thereby the protectiveness of equipment has been improved, and the limiting plate that function board 7 includes can support work to the bottom of brake pump, then the stability of brake pump has been improved, thereby the practicality of equipment has been improved. Through the cooperation of heat removal pad 2 and heat conduction pole 3, can carry out heat conduction transmission work to the inside temperature of mounting groove, then can carry out the heat dissipation work to the inside device of mounting groove, then prevent that the inside device of mounting groove from appearing overheated damage phenomenon, and gag lever post 10, the movable block 11, bracing piece 12, second limiting plate 13, the cooperation of thread plate 14 and second spring 15 is used, can support the limited work to the brake shoe, then prevent that the brake shoe from taking place to drop or skew phenomenon, wherein the use of second spring 15, can reset work to movable block 11, then can reset work to the brake shoe, and then the practicality of equipment has been improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A drum brake spider assembly comprising a base plate (1), characterized in that: the mounting groove has been seted up to the front end of base plate (1), the equal fixedly connected with fixed pin (4) in both sides of mounting groove bottom, the front end fixedly connected with fixed plate (5) of fixed pin (4), the internal surface swing joint at mounting groove top has movable rod (6), the front end fixedly connected with function board (7) of movable rod (6), the first limiting plate (8) of rear end fixedly connected with of movable rod (6).

2. A drum brake spider assembly as claimed in claim 1, in which: the outer fixed surface of base plate (1) is connected with row heat pad (2), the quantity of arranging heat pad (2) is four, four one side fixedly connected with heat conduction pole (3) that row heat pad (2) are close to base plate (1), one side that heat conduction pole (3) kept away from row heat pad (2) runs through base plate (1) and extends to the inside of mounting groove.

3. A drum brake spider assembly as claimed in claim 1, in which: the top fixedly connected with first spring (9) of base plate (1) rear end, the quantity of first spring (9) is two, two the rear end of first spring (9) is connected with the front end of first limiting plate (8).

4. A drum brake spider assembly as claimed in claim 1, in which: the function board (7) comprises a protection board, wherein the top and the bottom of the rear end of the protection board are fixedly connected with a limiting board, and the length from the front end to the rear end of the limiting board is half of the length from the front end to the rear end of the installation groove.

5. A drum brake spider assembly as claimed in claim 1, in which: the oil pipe groove has been seted up at the top of mounting groove, the pole limiting groove has been seted up at the center of mounting groove, the radiating groove has all been seted up around the mounting groove, the internal surface of radiating groove is less than the internal surface in pole limiting groove, the functional groove has all been seted up to the both sides of mounting groove.

6. A drum brake spider assembly according to claim 5, including: the center of function groove is fixed connection and is had a limiting rod (10), the surface swing joint of limiting rod (10) has movable block (11), the front end fixed connection of movable block (11) has bracing piece (12), the surface fixed connection at bracing piece (12) center has second limiting plate (13), the surface of bracing piece (12) front end is the screw thread form, and the surface swing joint of bracing piece (12) front end has thread plate (14).

7. A drum brake spider assembly as claimed in claim 6, in which: one side of the functional groove, which is far away from the center of the base plate (1), is fixedly connected with a second spring (15), one side of the second spring (15), which is close to the center of the base plate (1), is connected with the moving block (11), and the inner surface of the second spring (15) is larger than the outer surface of the limiting rod (10).