CN214838009U

CN214838009U - Integrated brake drum of automobile

Info

Publication number: CN214838009U
Application number: CN202120650190.7U
Authority: CN
Inventors: 梅心宇
Original assignee: Huachen Renault Gold Cup Automobile Co ltd
Current assignee: Huachen Renault Gold Cup Automobile Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-11-23
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses a this car integrated form brake drum, including the brake drum body, it has the bearing to peg graft in the inside of brake drum body, the brake drum body is close to the one end of bearing and pegs graft and has the retaining ring, and retaining ring and bearing mutually support, peg graft in the inside of bearing has the dabber, and dabber and retaining ring mutually support, and the brake drum body and the bearing in this car integrated form brake drum pass through interference fit for be connected between brake drum body and the bearing inseparabler, the infiltration that can not have the ash bed has increased the stability of working between brake drum body and the bearing, be clearance fit installation between brake drum body, bearing and retaining ring and the dabber, for the work between brake drum body, bearing and the retaining ring provides operating space, and integral erection is comparatively convenient, and whole journey can not have the entering of ash bed, and stability is higher at the during operation.

Description

Integrated brake drum of automobile

Technical Field

The utility model relates to a brake drum technical field specifically is an automobile integrated form brake drum.

Background

The brake drum is a friction coupling of a drum brake, and should have a friction coefficient as high and stable as possible, and suitable wear resistance, heat radiation, heat capacity, and the like, in addition to strength and rigidity required as a member.

The internal link of the existing brake drum is not tight, dust easily enters the brake drum during working, normal working of the device is affected, working efficiency is greatly reduced, abrasion of the device is increased, and therefore the automobile integrated brake drum is provided.

Disclosure of Invention

An object of the utility model is to provide a connect comparatively inseparably, the higher car integrated form brake drum of during operation stability to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automobile integrated form brake drum, includes the brake drum body, the inside grafting of brake drum body has the bearing, the brake drum body is close to one end grafting of bearing and is had the retaining ring, and retaining ring and bearing mutually support, the inside grafting of bearing has the dabber, and dabber and retaining ring mutually support.

Preferably, a plurality of thread grooves are formed in the middle of the brake drum body at equal intervals, and an adaptive groove is formed in one side of the brake drum body.

Preferably, the inner wall of the middle part of the brake drum body is provided with a clamping groove used in cooperation with the bearing, and the inner wall of one end of the brake drum body, which is close to the bearing, is provided with a limiting groove used in cooperation with the retaining ring.

Preferably, the two ends of the bearing are both provided with matching grooves.

Preferably, slots are formed at two ends of the check ring.

Preferably, the outer ring of the mandrel is provided with a plurality of mounting grooves.

Preferably, the bearing is in interference fit with the brake drum body.

Preferably, the mandrel is in clearance fit with the brake drum body, the bearing and the retainer ring.

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

the main function of the brake drum body in the utility model is to fix the brake drum body with the tire, and can play a role of braking when necessary, so as to effectively avoid traffic accidents, so as to protect human body well, the bearing is directly inserted into the brake drum body, the bearing is fixed inside the brake drum body through the retaining ring, the retaining ring can avoid bearing loosening, the mandrel is fixed with the brake drum body, the bearing and the retaining ring together, and a certain gap is reserved, so as to facilitate normal work of the brake drum body, the bearing and the retaining ring, the mandrel has a role of fixing the brake drum body, the bearing and the retaining ring together, so as to fix the whole with the tire, the brake drum body and the bearing in the automobile integrated brake drum are in interference fit, so that the connection between the brake drum body and the bearing is more tight, the brake drum has the advantages that the dust layer cannot permeate, the working stability between the brake drum body and the bearing is improved, the brake drum body, the bearing and the check ring are installed in a clearance fit mode with the mandrel, an operation space is provided for the work among the brake drum body, the bearing and the check ring, the integral installation is convenient, the whole process cannot be carried out by the dust layer, and the working stability is high.

Drawings

Fig. 1 is a schematic diagram of the overall explosion structure of the present invention;

FIG. 2 is a schematic structural view of a brake drum according to the present invention;

FIG. 3 is a schematic view of the bearing structure of the present invention;

FIG. 4 is a schematic view of the retainer ring of the present invention;

fig. 5 is a schematic view of the thread groove structure of the present invention.

In the figure: 1. a brake drum body; 2. a bearing; 3. a retainer ring; 4. a mandrel; 5. a thread groove; 6. an adaptation groove; 7. a card slot; 8. a limiting groove; 9. a mating groove; 10. a slot; 11. and (4) mounting the groove.

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.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides an automobile integrated form brake drum, includes brake drum body 1, the inside grafting of brake drum body 1 has bearing 2, brake drum body 1 is close to the one end grafting of bearing 2 and has retaining ring 3, and retaining ring 3 and bearing 2 mutually support, the inside grafting of bearing 2 has dabber 4, and dabber 4 and retaining ring 3 mutually support.

The brake drum body 1 is mainly used for being fixed with a tire, and can play a role of braking when necessary, so that traffic accidents can be effectively avoided, a human body is well protected, the bearing 2 is directly inserted into the brake drum body 1, the bearing 2 is fixed inside the brake drum body 1 through the check ring 3, the check ring 3 can avoid the bearing 2 from being loosened, the mandrel 4 is fixed with the brake drum body 1, the bearing 2 and the check ring 3 together and has a certain gap so as to facilitate normal work of the brake drum body 1, the bearing 2 and the check ring 3, and the mandrel 4 plays a role of fixing the brake drum body 1, the bearing 2 and the check ring 3 together so as to be integrally fixed with the tire.

Referring to fig. 2, the middle of the brake drum body 1 is provided with a plurality of thread grooves 5 at equal intervals, and one side of the brake drum body 1 is provided with an adapting groove 6.

The setup of thread groove 5 is for fixing brake drum body 1 and tire in order to play the effect that drives the tire and stop, and the setup of adaptation groove 6 is for the installation of convenient operating personnel to brake drum body 1, and operating personnel need find the position in adaptation groove 6 and install brake drum body 1, and the condition of reduction brake drum body 1 installation mistake that can be great takes place.

Referring to fig. 2, a clamping groove 7 used in cooperation with the bearing 2 is formed in the inner wall of the middle portion of the brake drum body 1, and a limiting groove 8 used in cooperation with the retainer ring 3 is formed in the inner wall of one end, close to the bearing 2, of the brake drum body 1.

The draw-in groove 7 is offered for the convenience is spacing to bearing 2, has restricted the mounted position of bearing 2 for bearing 2 can be better works, and the mounted position of limiting ring 3 is offered for limiting ring 8, makes ring 3 can be better fix bearing 2 and brake drum body 1 together, makes bearing 2 can be more stable at the during operation.

Referring to fig. 3, the two ends of the bearing 2 are both provided with the matching grooves 9, and the matching grooves 9 are provided to reduce the shaking of the bearing 2 when the bearing is mounted with other components, so that the stability of the bearing 2 during operation is improved.

Please refer to fig. 4, the slots 10 have been all seted up at the both ends of the retaining ring 3, the slots 10 are directly set up at the both ends of the retaining ring 3, in order to avoid the situation that rocks when the retaining ring 3 is blocked in the brake drum body 1, the retaining ring 3 can not drive the bearing 2 to rock when not rocking, has played and has carried out the effect of fixing the bearing 2, makes the bearing 2 be in more stable state, can not appear because the bearing 2 rocks and lead to the unstable situation of brake.

Referring to fig. 5, the outer ring of the spindle 4 is provided with a plurality of mounting grooves 11, and the mounting grooves 11 are formed to facilitate mounting of the spindle 4, so that the spindle 4 is fixed with the brake drum body 1, the bearing 2 and the retainer ring 3 more firmly.

Referring to fig. 1, the bearing 2 is in interference fit with the brake drum body 1. The bearing 2 and the brake drum body 1 are in interference fit, so that a gap is almost not formed between the bearing 2 and the brake drum body 1, and the connection is tight.

Referring to fig. 1, the spindle 4 is in clearance fit with the brake drum body 1, the bearing 2 and the retainer ring 3, and a certain gap is left, so as to facilitate efficient work among the brake drum body 1, the bearing 2 and the retainer ring 3.

The working principle is as follows:

at first, brake drum body 1 and bearing 2 pass through interference fit, then in the draw-in groove 7 of brake drum body 1 is pressed fitting with bearing 2 through the press, then reuse retaining ring 3 card is in spacing groove 8 in brake drum body 1, then with assembled part brake drum body 1, clearance fit between bearing 2 and retaining ring 3 assembly state and the dabber 4, thereby complete the back assembly, assembly completion back operating personnel need use the screw to install the one end that wholly is located dabber 4 department from mounting groove 11, then aim at the mounted position of brake drum body 1 according to the position of adaptation groove 6, then use the screw to install the device from thread groove 5 department and tire.

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. An automobile integrated brake drum, includes brake drum body (1), its characterized in that: the inside of brake drum body (1) is pegged graft and is had bearing (2), brake drum body (1) is close to the one end grafting of bearing (2) and is had retaining ring (3), and retaining ring (3) and bearing (2) mutually support, the inside grafting of bearing (2) has dabber (4), and dabber (4) and retaining ring (3) mutually support.

2. The integrated automotive brake drum of claim 1, wherein: a plurality of thread grooves (5) are formed in the middle of the brake drum body (1) in an equal distance mode, and an adaptive groove (6) is formed in one side of the brake drum body (1).

3. The integrated automotive brake drum of claim 1, wherein: the brake drum is characterized in that a clamping groove (7) matched with the bearing (2) for use is formed in the inner wall of the middle of the brake drum body (1), and a limiting groove (8) matched with the retaining ring (3) for use is formed in the inner wall of one end, close to the bearing (2), of the brake drum body (1).

4. The integrated automotive brake drum of claim 1, wherein: and matching grooves (9) are formed at two ends of the bearing (2).

5. The integrated automotive brake drum of claim 1, wherein: slots (10) are formed in the two ends of the check ring (3).

6. The integrated automotive brake drum of claim 1, wherein: the outer ring of the mandrel (4) is provided with a plurality of mounting grooves (11).

7. The integrated automotive brake drum of claim 1, wherein: the bearing (2) is in interference fit with the brake drum body (1).

8. The integrated automotive brake drum of claim 1, wherein: the mandrel (4) is in clearance fit with the brake drum body (1), the bearing (2) and the retainer ring (3).