CN217462986U

CN217462986U - Drum brake device with protection component

Info

Publication number: CN217462986U
Application number: CN202220687148.7U
Authority: CN
Inventors: 戚荣斌; 印政权; 赵军
Original assignee: Gaoyou Shunda Power Electromechanical Co ltd
Current assignee: Gaoyou Shunda Power Electromechanical Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-09-20
Anticipated expiration: 2032-03-28

Abstract

The utility model discloses a drum brake device with a protection component in the technical field of drum brakes, which comprises a brake disc, wherein the side wall of the inner cavity of the brake disc is provided with a brake drum in a ring shape, the inner cavity of the brake disc is provided with two groups of brake shoes, the top ends of the adjacent brake shoes are provided with brake wheel cylinders, the bottom ends of the adjacent brake shoes are provided with a support, the upper and lower ends of the upper surfaces of the two groups of brake shoes are provided with mounting seats, the adjacent mounting seats are provided with reset springs, the bottom end of the inner cavity of the brake disc and the side wall positioned on the brake shoes are provided with limiting seats, the inner side of the limiting seats is in an arc shape, and the arc-shaped tangent plane is attached to the side wall of the brake shoes, the reset spring of the utility model replaces the traditional bolt connection, the replacement is simple and convenient, and is more stable than the traditional bolt connection, and the reset spring can be prevented from being broken after the bolt is rusted, the protection effect is good.

Description

Drum brake device with protection component

Technical Field

The utility model relates to a drum brake technical field specifically is a drum brake device with protection component.

Background

Drum brake is a mode of automobile brake, compares in disc brake, and drum brake is with low costs, and absolute braking rate is higher, the braking of wide application in modern automobile, but mostly for fixing through the bolt between the reset spring on the current drum brake device, use the fixed troublesome poeration of spring, do not play the guard action to reset spring, the spring has cracked risk, and the practicality is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a drum brake device with a protection component.

The technical scheme is as follows: the utility model provides a drum brake equipment with protection component, includes the brake disc, be equipped with the brake drum of ring shape on the inner chamber lateral wall of brake disc, the inner chamber of brake disc is equipped with two sets of brake shoes, and is adjacent brake wheel cylinder is installed on the top of brake shoe, and is adjacent the bottom of brake shoe is equipped with the support, and is two sets of both ends are equipped with the mount pad about the upper surface of brake shoe, and are adjacent be equipped with reset spring between the mount pad, the inner chamber bottom of brake disc and the lateral wall that is located the brake shoe are equipped with spacing seat, the arc is personally submitted to the inboard of spacing seat, and the tangent plane laminating of arc form is at the lateral wall of brake shoe.

Further: the opening has been seted up to one side of mount pad, reset spring's both ends are equipped with the ring with opening assorted, it has the locating lever to peg graft in the mount pad, the locating lever runs through the opening on the ring.

Further: and the middle parts of the upper surfaces of the two groups of brake shoes are provided with connecting plates, positioning bolts are installed on the left sides of the connecting plates, and the bottom ends of the positioning bolts are connected to the bottom ends of the brake discs.

Further: and a locking bolt is arranged on the right side of the connecting plate, and the bottom end of the locking bolt is inserted into a threaded hole on the brake shoe.

Further: the reset spring is arranged in an up-and-down symmetrical mode by taking the central horizontal plane of the brake disc as a central line.

Further: the outer surface of the positioning rod is embedded with corrugated bulges.

Further: and a rubber pad is bonded on the inner side surface of the limiting seat.

Has the advantages that:

1. the utility model discloses a reset spring passes through the ring and installs in the mount pad to use the locating lever to come spacing reset spring's position, replaced traditional bolted connection, it is simple and convenient to change, comes spacing reset spring difficult slip through the locating lever, and is more stable than traditional bolted connection, can prevent that traditional bolt from rustting back reset spring fracture, and the protection is effectual.

2. The position of the brake shoe is limited by the four limiting seats, and the brake shoe can be limited by the four limiting seats when being installed, so that the accuracy of the installation position of the brake shoe is improved, and the working efficiency is improved.

Drawings

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

fig. 2 is a schematic view of the connection between the mounting seat and the return spring of the present invention.

In the figure: 1. a brake disc; 2. a brake drum; 3. a brake shoe; 4. a brake wheel cylinder; 5. a support; 6. a limiting seat; 7. a mounting seat; 8. a return spring; 9. a connecting plate; 10. positioning the bolt; 11. locking the bolt; 12. a circular ring; 13. an opening; 14. and (5) positioning the rod.

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.

Example 1:

as shown in fig. 1, the utility model provides a technical scheme: a drum brake device with a protection assembly comprises a brake disc 1, wherein a circular ring-shaped brake drum 2 is arranged on the side wall of an inner cavity of the brake disc 1, two groups of brake shoes 3 are arranged in the inner cavity of the brake disc 1, brake wheel cylinders 4 are arranged at the top ends of the adjacent brake shoes 3, supports 5 are arranged at the bottom ends of the adjacent brake shoes 3, mounting seats 7 are arranged at the upper ends and the lower ends of the upper surfaces of the two groups of brake shoes 3, reset springs 8 are arranged between the adjacent mounting seats 7, a limiting seat 6 is arranged at the bottom end of the inner cavity of the brake disc 1 and positioned on the side wall of each brake shoe 3, the inner side surface of each limiting seat 6 is arc-shaped, the arc-shaped tangent plane is attached to the side wall of each brake shoe 3, the reset springs 8 are connected through the two groups of mounting seats 7 and are more stable than the traditional bolt connection, the reset springs 8 installed by the traditional bolt are easy to rust, so that the reset springs 8 are broken and have poor protection effect, and the reset springs 8 connected through the mounting seats 7 can not have the same kind of condition, the protection effect is good, has prolonged reset spring 8's life, and spacing seat 6 is equipped with six groups, can be spacing for brake shoe 2, and the position is made mistakes when preventing brake shoe 2 installation.

As shown in fig. 1 and 2, preferably, an opening 13 is opened at one side of the mounting seat 7, rings 12 matched with the opening 13 are arranged at two ends of the return spring 8, a positioning rod 14 is inserted in the mounting seat 7, the positioning rod 14 penetrates through the opening on the ring 12, when the ring 12 is inserted in the mounting seat 7 from the opening 13, the positioning rod 14 is inserted in the mounting seat 7, and the positioning rod 14 penetrates through the opening on the ring 12, namely, the position of the positioning rod 14 is limited, the position of the return spring 8 is limited, the return spring 8 is prevented from sliding out, the traditional bolt connection is replaced, and the connection is more stable.

As shown in fig. 1, preferably, a connecting plate 9 is arranged in the middle of the upper surfaces of the two sets of brake shoes 3, a positioning bolt 10 is installed on the left side of the connecting plate 9, the bottom end of the positioning bolt 10 is connected to the bottom end of the brake disc 1, a locking bolt 11 is installed on the right side of the connecting plate 9, the bottom end of the locking bolt 11 is inserted into a threaded hole on the brake shoe 3, and the position of the brake shoe 3 can be reinforced through the locking bolt 11 and the positioning bolt 10.

As shown in fig. 1, the return springs 8 are preferably disposed vertically symmetrically with respect to the center horizontal plane of the brake disk 1.

Example 2:

referring to fig. 2, this embodiment is different from the first embodiment in that: the surface of locating lever 14 is embedded to be equipped with corrugated arch, and the arch can play the antiskid effect, can prevent that locating lever 14 from sliding after contacting with ring 12.

As shown in fig. 1, a rubber pad is bonded on the inner side surface of the limiting seat 6, and the rubber pad mainly plays a role of protection and prevents the limiting seat 6 from being damaged after contacting with the brake shoe 3.

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. The utility model provides a drum brake device with protection component, includes brake disc (1), be equipped with annular shape's brake drum (2) on the intracavity lateral wall of brake disc (1), the inner chamber of brake disc (1) is equipped with two sets of brake shoe (3), its characterized in that: adjacent brake wheel cylinder (4) are installed on the top of brake shoe (3), and are adjacent the bottom of brake shoe (3) is equipped with support (5), and is two sets of both ends are equipped with mount pad (7) about the upper surface of brake shoe (3), and are adjacent be equipped with reset spring (8) between mount pad (7), the inner chamber bottom of brake disc (1) and the lateral wall that is located brake shoe (3) are equipped with spacing seat (6), the arc is personally submitted to the inboard of spacing seat (6), and the tangent plane laminating of arc form is at the lateral wall of brake shoe (3).

2. The drum brake assembly according to claim 1, wherein: opening (13) have been seted up to one side of mount pad (7), the both ends of reset spring (8) are equipped with opening (13) assorted ring (12), it has locating lever (14) to peg graft in mount pad (7), opening on ring (12) is run through to locating lever (14).

3. The drum brake assembly according to claim 1, wherein: and the middle parts of the upper surfaces of the two groups of brake shoes (3) are provided with connecting plates (9), positioning bolts (10) are installed on the left sides of the connecting plates (9), and the bottom ends of the positioning bolts (10) are connected to the bottom ends of the brake discs (1).

4. The drum brake assembly according to claim 3, wherein: and a locking bolt (11) is installed on the right side of the connecting plate (9), and the bottom end of the locking bolt (11) is inserted into a threaded hole in the brake shoe (3).

5. The drum brake assembly with a fender assembly as set forth in claim 1 wherein: the reset spring (8) is arranged in an up-and-down symmetrical mode by taking the central horizontal plane of the brake disc (1) as a central line.

6. The drum brake assembly according to claim 2, wherein: the outer surface of the positioning rod (14) is embedded with corrugated bulges.

7. The drum brake assembly according to claim 1, wherein: the inner side surface of the limiting seat (6) is bonded with a rubber pad.