CN216111866U

CN216111866U - Drum brake with quick brake release mechanism

Info

Publication number: CN216111866U
Application number: CN202121263032.2U
Authority: CN
Inventors: 薛桂明; 张士安; 展祥
Original assignee: Yangzhou Yuanfeng Traffic Equipment Co ltd
Current assignee: Yangzhou Yuanfeng Traffic Equipment Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-03-22
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a drum brake with a quick brake release mechanism in the technical field of brakes, which comprises a brake drum main body and a brake base, wherein a flange connection disc is arranged on one side surface of the brake drum main body, an integrated annular fixing seat is arranged in the brake drum main body, four connecting rods are welded and fixed on the inner side surface of the flange connection disc, four round holes matched with the connecting rods are formed in the annular fixing seat, the connecting rods are inserted into the round holes, threaded grooves are formed in the connecting rods, matched threaded rods are arranged in the threaded grooves, and one ends of the threaded rods are fixedly connected with limit blocks.

Description

Drum brake with quick brake release mechanism

Technical Field

The utility model relates to the technical field of brakes, in particular to a drum brake with a quick brake release mechanism.

Background

At present, the friction brake that all kinds of cars extensively adopted is for having the drum brake of quick release mechanism, and the brake drum is then the important spare part among the drum brake, for the convenience of being connected of brake drum and brake chassis, current brake drum all is provided with the flange connection dish of integral type, nevertheless in the in-service use process, because the flange connection dish can't pull down to change, when the inside bolt hole of flange connection dish appears damaged, just must change the whole brake drum, and the cost is higher, current waterproof dustproof effect of brake drum is relatively poor simultaneously, so, we provide a drum brake with quick release mechanism.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to provide a drum brake with a quick brake release mechanism to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a drum brake with quick release mechanism, includes brake drum main part and stopper base, a side surface of brake drum main part is provided with flange connection dish, the inside of brake drum main part is equipped with the annular fixing base of integral type, flange connection dish's inboard surface welded fastening has four connecting rods, four round holes with connecting rod looks adaptation are seted up to the inside of annular fixing base, and inside the connecting rod inserted the round hole, set up the thread groove on the connecting rod, be equipped with the assorted threaded rod in the thread groove, the one end fixedly connected with stopper of threaded rod.

Further: the brake drum main part surface is equipped with the snap ring of integral type, and a brake base side surface is equipped with solid fixed ring, gu fixed ring inside has seted up ring channel two, set up on the snap ring with gu fixed ring assorted ring channel one, be equipped with the annular gasket that matches with ring channel two in the ring channel one.

Further: a flange groove matched with the flange connection disc is formed in the surface of one side of the brake drum main body, and a plurality of reserved bolt holes are uniformly formed in the flange connection disc.

Further: the inside center of flange connection pad has seted up the shaft hole, and reserves the bolt hole and be in around the shaft hole.

Further: the stopper is the cylinder shape, and the stopper offsets with a side surface of annular fixing base, and the diameter of stopper is greater than the diameter of connecting rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the brake drum main body and the flange connection disc are arranged in a split mode, and the flange connection disc can be detached when being damaged, so that the problem that the brake drum is required to be integrally replaced when bolt holes in the flange connection disc are damaged, and the cost is high is solved.

2. According to the utility model, the annular sealing gasket is clamped into the fixing ring, and the fixing ring is clamped into the annular groove, so that the joint of the clamping ring and the fixing ring has better sealing property, rainwater and dust are prevented from entering the brake drum main body, the waterproof and dustproof effects are improved, and the service life of the brake drum main body is prolonged.

Drawings

FIG. 1 is a schematic view of a drum brake having a quick release mechanism according to the present invention;

FIG. 2 is a partial structural cross-sectional view of a drum brake having a quick release mechanism according to the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 of the drum brake having the quick release mechanism of the present invention;

in the figure: the brake drum comprises a brake drum main body 1, a snap ring 2, a brake base 3, a flange connecting disc 4, a ring groove I5, a flange groove 6, a ring sealing gasket 7, a ring fixing seat 8, a fixing ring 9, a brake base 10, a connecting rod 11, a thread groove 12, a circular hole 13, a threaded rod 14, a limiting block 15 and a ring groove II 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1-3, the present invention provides a technical solution: a drum brake with a quick brake release mechanism comprises a brake drum main body 1 and a brake base 3, wherein a flange connection disc 4 is arranged on one side surface of the brake drum main body 1, the flange connection disc 4 is flush with one side surface of the brake drum main body 1, an integrated annular fixed seat 8 is arranged inside the brake drum main body 1, four connecting rods 11 are fixedly welded on the inner side surface of the flange connection disc 4, the four connecting rods 11 are symmetrically arranged, four round holes 13 matched with the connecting rods 11 are formed inside the annular fixed seat 8, the connecting rods 11 are inserted into the round holes 13, threaded grooves 12 are formed in the connecting rods 11, matched threaded rods 14 are arranged in the threaded grooves 12, one ends of the threaded rods 14 are fixedly connected with limit blocks 15, when the flange connection disc 4 is replaced, the limit blocks 15 are twisted to rotate the threaded rods 14, so that the threaded rods 14 are twisted out of the threaded grooves 12, then hold flange connection dish 4 outside pull, thereby can be so that connecting rod 11 breaks away from inside round hole 13, can be in order to dismantle flange connection dish 4 from brake drum main part 1, during follow-up installation, only need connecting rod 11 and round hole 13 corresponding, then inside connecting rod 11 inserts round hole 13, then utilize stopper 15 to twist threaded rod 14 and enter into thread groove 12 inside, can be in order to fix flange connection dish 4, when the inside bolt hole of flange connection dish appears damaged having solved, just must change the brake drum whole, the higher problem of cost.

Wherein, preferentially, flange groove 6 with flange connection dish 4 looks adaptation is seted up to one side surface of brake drum main part 1, and a plurality of reservation bolt holes have evenly been seted up to the inside of flange connection dish 4, and the shaft hole has been seted up at the inside center of flange connection dish 4, and reserves the bolt hole and be in around the shaft hole.

Preferably, the limiting block 15 is cylindrical, the limiting block 15 abuts against one side surface of the annular fixing seat 8, and the diameter of the limiting block 15 is larger than that of the connecting rod 11.

Example 2:

referring to fig. 2, this embodiment is different from the first embodiment in that: the outer surface of the brake drum main body 1 is provided with an integrated clamping ring 2, the surface of one side of the brake base 3 is provided with a fixing ring 9, the inner part of the fixing ring 9 is provided with a second annular groove 16, the clamping ring 2 is provided with a first annular groove 5 matched with the fixing ring 9, the first annular groove 5 is internally provided with an annular sealing gasket 7 matched with the second annular groove 16, the annular sealing gasket 7 is a high-temperature-resistant rubber component, the fixing ring 9 is clamped into the first annular groove 5, the annular sealing gasket 7 is clamped into the second annular groove 16 and is filled into the second annular groove 16, so that the joint of the clamping ring 2 and the fixing ring 9 has better sealing performance, rainwater and dust are prevented from entering the brake drum main body 1, the waterproof and dustproof effects are improved, the service life of the brake drum main body 1 is prolonged, the annular sealing gasket 7 is clamped into the second annular groove 16, and the fixing ring 9 is clamped into the first annular groove 5, thus, the sealing performance of the joint is further improved through double mutual clamping.

The working principle is as follows: when the flange connecting disc 4 is replaced, the limit block 15 is screwed to enable the threaded rod 14 to rotate, so that the threaded rod 14 is screwed out of the threaded groove 12, then the flange connecting disc 4 is pulled outwards, the connecting rod 11 can be separated from the inside of the round hole 13, the flange connecting disc 4 can be detached from the brake drum main body 1, during subsequent installation, only the connecting rod 11 is required to correspond to the round hole 13, then the connecting rod 11 is inserted into the round hole 13, then the limit block 15 is utilized to screw the threaded rod 14 into the threaded groove 12, the flange connecting disc 4 can be fixed, the fixing ring 9 is clamped into the annular groove I5, meanwhile, the annular sealing gasket 7 is clamped into the annular groove II 16, the annular groove II 16 is filled, the joint of the clamping ring 2 and the fixing ring 9 has good sealing performance, and rainwater and dust are prevented from entering the brake drum main body 1, the waterproof and dustproof effects are improved.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a drum brake with quick release mechanism, includes brake drum main part (1) and brake base (3), one side surface of brake drum main part (1) is provided with flange connection dish (4), its characterized in that: the brake drum is characterized in that an integrated annular fixing seat (8) is arranged inside the brake drum main body (1), four connecting rods (11) are fixedly welded on the inner side surface of the flange connection disc (4), four round holes (13) matched with the connecting rods (11) are formed in the annular fixing seat (8), the connecting rods (11) are inserted into the round holes (13), threaded grooves (12) are formed in the connecting rods (11), matched threaded rods (14) are arranged in the threaded grooves (12), one ends of the threaded rods (14) are fixedly connected with limiting blocks (15), an integrated clamping ring (2) is arranged on the outer surface of the brake drum main body (1), a fixing ring (9) is arranged on one side surface of the brake base (3), a second annular groove (16) is formed in the fixing ring (9), and a first annular groove (5) matched with the fixing ring (9) is formed in the clamping ring (2), an annular sealing gasket (7) matched with the second annular groove (16) is arranged in the first annular groove (5).

2. A drum brake with a quick release mechanism as claimed in claim 1, wherein: one side surface of the brake drum main body (1) is provided with a flange groove (6) matched with the flange connection disc (4), and a plurality of reserved bolt holes are uniformly formed in the flange connection disc (4).

3. A drum brake with a quick release mechanism as claimed in claim 1, wherein: the inside center of flange connection dish (4) has seted up the shaft hole, and reserves the bolt hole and be in around the shaft hole.

4. A drum brake with a quick release mechanism as claimed in claim 1, wherein: the limiting block (15) is in a cylindrical shape, the limiting block (15) is abutted to one side surface of the annular fixing seat (8), and the diameter of the limiting block (15) is larger than that of the connecting rod (11).