CN208749875U - A kind of automobile brake drum device - Google Patents
A kind of automobile brake drum device Download PDFInfo
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- CN208749875U CN208749875U CN201821288279.8U CN201821288279U CN208749875U CN 208749875 U CN208749875 U CN 208749875U CN 201821288279 U CN201821288279 U CN 201821288279U CN 208749875 U CN208749875 U CN 208749875U
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- brake
- shoe
- drum
- lining
- spring
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Abstract
The utility model discloses a kind of automobile brake drum devices, including brake rim, it is characterized by: being equipped with chassis in drum on the inside of the brake rim, the bottom surface on chassis is equipped with chilled water pipeline in the drum, the side of the chilled water pipeline is equipped with front brake lining, the other side of the chilled water pipeline is equipped with rear brake shoe, the side on the front brake lining top is equipped with main limit plate, brake cylinder is installed below the main limit plate, the top of the main limit plate is equipped with return spring bolt, the front end face of the front brake lining and rear brake shoe is provided with return spring limit hole, the return spring limit hole is connect with return spring bolt by return spring, ceramic fibre brake piece is mounted on the outside of the front brake lining and rear brake shoe.The utility model is by the chassis installation chilled water pipe in drum, so that whole device avoids occurring the ill effect of thermal expansion.
Description
Technical field
The utility model relates to drum brakes technical field, specially a kind of automobile brake drum device.
Background technique
Drum brakes applies on automobile closely centurial history, but due to its reliability and powerful
Brake force so that drum brakes still configures in many vehicles (be used in rear-wheel more) now.It and tire fixation are simultaneously synchronized
Rotation.It pushes brake shoes to contact brake rim inner edge with oil pressure when brake, inhibits tire by the friction that contact generates
Rotation to reach the purpose of brake.Drum brake by the related connecting rod such as shoe sole, wheel cylinder, brake shoes, spring, the tip nail,
Brake rim is formed.It is generally mounted to rear-wheel at present.Cost is relatively low for drum brake, absolute brake Li Genggao, the brake of drum brakes
Drum inner face is exactly the position that brake gear generates brake torque.In the case where obtaining identical brake torque, drum type braking device
The diameter of brake rim can upper many also smaller than the brake disc of disk type brake.
But existing continuously brake when driving the vehicle for using drum brakes causes brake block to generate heat because of high temperature
Decay；Therefore, it is unsatisfactory for existing demand, we have proposed a kind of automobile brake drum devices to this.
Utility model content
The purpose of this utility model is to provide a kind of automobile brake drum devices, to solve to propose in above-mentioned background technique
Brake block heat fading phenomenon is led to the problem of because of high temperature.
To achieve the above object, the utility model provides the following technical solutions: a kind of automobile brake drum device, including stops
Vehicle rouses, and chassis in drum is equipped on the inside of the brake rim, the bottom surface on chassis is equipped with chilled water pipeline in the drum, described cold
The side for freezing waterpipe is equipped with front brake lining, and the other side of the chilled water pipeline is equipped with rear brake shoe, before described
The side on shoe brake top is equipped with main limit plate, and brake cylinder, the main limit are equipped with below the main limit plate
The top of plate is equipped with return spring bolt, and the front end face of the front brake lining and rear brake shoe is provided with return spring
Limit hole, the return spring limit hole are connect with return spring bolt by return spring, the front brake lining and rear system
It is mounted on ceramic fibre brake piece on the outside of dynamic shoe plate, the outer surface of the ceramic fibre brake piece is provided with brake piece limit hole,
Gap regulating spring is installed below the front brake lining, gap adjustment piece is installed below the rear brake shoe,
The bottom end of the front brake lining and rear brake shoe is equipped with gap adjustment bar, and the front brake lining and rear brake shoe are logical
It crosses gap adjustment bar to connect, the rear end face of the front brake lining and rear brake shoe is mounted on compression pin rod, the compression
One end of pin rod extends to the inside on chassis in drum, the front end of the front brake lining and rear brake shoe through chilled water pipeline
Face is equipped with holddown spring, and the top of the holddown spring is equipped with compression pin cap.
Preferably, card slot is provided on the outside of the rear brake shoe, the rear brake shoe and ceramic fibre brake piece are logical
Cross card slot connection.
Preferably, the both ends inside the brake cylinder are mounted on piston, and piston bullet is equipped on the inside of the piston
Spring.
Preferably, the bottom surface on chassis is equipped with brake cylinder hydraulic oil pipe, the brake cylinder hydraulic oil pipe in the drum
Top extend to the inside of brake cylinder in chassis in drum, the brake cylinder hydraulic oil pipe and brake cylinder pass through screw thread
Connection.
Preferably, one end of the gap adjustment piece extends to the inside of gap regulating spring, the gap adjustment piece with
Gap regulating spring is connected by a snap.
Preferably, the bottom end of the holddown spring and front brake lining are fixed by riveting.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model passes through the holddown spring for being mounted on and compressing pin cap bottom surface, compresses pin cap and compression pin rod passes through pressure
Tight spring connection compresses front brake lining, in stable condition；
2, the utility model is by being equipped with gap adjustment piece, gap tune on the top of front brake lining and rear brake shoe
The both ends of nodal plate are equipped with piston, and front brake lining and rear brake shoe are flexibly braked；
3, by installation chilled water pipe, the chassis for passing through chassis in drum makes to stop around wheel hub the utility model
The stabilization of the temperature of vehicle system.
4, the utility model is equipped in ceramic fiber sheet by the way that ceramic fiber sheet to be fitted in one end of shoe brake completely
Brake piece piece limit hole, ceramic fiber sheet are connected through a screw thread with front brake lining, the inner surface and fore brake of ceramic fiber sheet
The outer surface of piece is by being welded and fixed.
Detailed description of the invention
Fig. 1 is a kind of automobile brake rim overall structure diagram of the utility model；
Fig. 2 is the holddown spring component structure diagram of the utility model；
Fig. 3 is the structural schematic diagram of the brake cylinder of the utility model；
Fig. 4 is the hydraulic oil pipe of the utility model and the structural schematic diagram of chilled water pipe.
In figure: 1, brake rim；2, chassis in drum；3, ceramic fibre brake piece；4, front brake lining；5, pin cap is compressed；6, it returns
Position spring retainer hole；7, rear brake shoe；8, return spring bolt；9, main limit plate；10, return spring；11, brake cylinder；
12, gap adjustment piece；13, gap regulating spring；14, gap adjustment bar；15, holddown spring；16, piston；17, piston spring；
18, brake cylinder hydraulic oil pipe；19, chilled water pipe；20, pin rod is compressed；21, brake piece limit hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Fig. 1-4 is please referred to, a kind of embodiment provided by the utility model: a kind of automobile brake drum device, including brake
Drum 1, the inside of the brake rim 1 are equipped with chassis 2 in drum, and the bottom surface on chassis 2 is equipped with chilled water pipeline 19, institute in the drum
The side for stating chilled water pipeline 19 is equipped with front brake lining 4, and the other side of the chilled water pipeline 19 is equipped with rear brake-shoe
Piece 7, the side on 4 top of front brake lining are equipped with main limit plate 9, and the lower section of the main limit plate 9 is equipped with braking point
Pump 11, hydraulic oil enter brake cylinder 11 by hydraulic oil pipe 18, the piston spring 17 in brake cylinder 11 to be opened, with
This achievees the effect that by two shoe brakes, by pushing, the top of the main limit plate 9 is equipped with return spring bolt 8,
The front end face of the front brake lining 4 and rear brake shoe 7 is provided with return spring limit hole 6, the return spring limit
Hole 6 is connect with return spring bolt 8 by return spring 10, and the outside of the front brake lining 4 and rear brake shoe 7 is respectively mounted
There is ceramic fibre brake piece 3, the outer surface of the ceramic fibre brake piece 3 is provided with brake piece limit hole 21, the front brake lining 4
Lower section gap regulating spring 13 is installed, the lower section of the rear brake shoe 7 is equipped with gap adjustment piece 12, it is described before braking
The bottom end of shoe plate 4 and rear brake shoe 7 is equipped with gap adjustment bar 14, between the front brake lining 4 and rear brake shoe 7 pass through
Gap adjusting rod 14 connects, and the rear end face of the front brake lining 4 and rear brake shoe 7, which is mounted on, compresses pin rod 20, the pressure
One end of tight pin rod 20 extends to the inside on chassis 2 in drum, the front brake lining 4 and rear brake-shoe through chilled water pipeline 19
The front end face of piece 7 is equipped with holddown spring 15, and the top of the holddown spring 15, which is equipped with, compresses pin cap 5.
Further, the outside of the rear brake shoe 7 is provided with card slot, the rear brake shoe 7 and ceramic fibre brake piece 3
It is connected by card slot, the perfect heat-dissipating by ceramic fibre brake piece 3 than conventional brake block.
Further, the both ends inside the brake cylinder 11 are mounted on piston 16, and the inside of the piston 16 is equipped with
Piston spring 17 is resetted piston 16 by piston spring 17.
Further, the bottom surface on chassis 2 is equipped with brake cylinder hydraulic oil pipe 18, the brake cylinder hydraulic oil in the drum
The top of pipe 18 chassis 2 in drum extends to the inside of brake cylinder 11, the brake cylinder hydraulic oil pipe 18 and braking point
Pump 11 is connected through a screw thread, and is that brake cylinder 11 provides power by brake cylinder hydraulic oil pipe 18.
Further, one end of the gap adjustment piece 12 extends to the inside of gap regulating spring 13, the gap adjustment
Piece 12 is connected by a snap with gap regulating spring 13, is cooperated by gap adjustment piece 12 and gap regulating spring 13 by preceding braking
The distance between shoe plate 4 and rear brake shoe 7 are adjusted.
Further, the bottom end of the holddown spring 15 and front brake lining 4 are fixed by riveting, are made by holddown spring 15
Pin cap 5 is compressed to reset.
Working principle: in use, after stepping on brake pedal, hydraulic oil enters brake cylinder 11, system by hydraulic oil pipe 18
Piston spring 17 in dynamic wheel cylinder 11 is achieved the effect that two shoe brakes with this by pushing, top to be opened
After two return springs 10 pull, the gap regulating spring 13 of bottom end can pull therewith, so that gap adjustment piece 12 is also therewith
Rotation, the rotation of gap adjustment piece 12 drive the gear rotation of gap adjustment bar 14, have the function that gap adjustment with this；It is stepping on
While brake, the chilled water in the chilled water pipeline 19 of bottom surface installation can also enter simultaneously, and chilled water pipeline 19 is bonded completely
Inner surface, by being welded and fixed, cooling effect is obvious.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of automobile brake drum device, including brake rim (1), it is characterised in that: be equipped on the inside of the brake rim (1)
Interior chassis (2) is roused, the bottom surface on chassis (2) is equipped with chilled water pipeline (19) in the drum, and the one of the chilled water pipeline (19)
Side is equipped with front brake lining (4), and the other side of the chilled water pipeline (19) is equipped with rear brake shoe (7), is made before described
The side on dynamic shoe plate (4) top is equipped with main limit plate (9), is equipped with brake cylinder (11) below the main limit plate (9),
The top of the main limit plate (9) is equipped with return spring bolt (8), the front brake lining (4) and rear brake shoe (7)
Front end face is provided with return spring limit hole (6), and the return spring limit hole (6) and return spring bolt (8) pass through back
Position spring (10) connects, and is mounted on ceramic fibre brake piece (3) on the outside of the front brake lining (4) and rear brake shoe (7),
The outer surface of the ceramic fibre brake piece (3) is provided with brake piece limit hole (21), the lower section installation of the front brake lining (4)
Have gap regulating spring (13), gap adjustment piece (12), the front brake lining are installed below the rear brake shoe (7)
(4) it is equipped with gap adjustment bar (14) with the bottom end of rear brake shoe (7), the front brake lining (4) and rear brake shoe (7)
It is connected by gap adjustment bar (14), the rear end face of the front brake lining (4) and rear brake shoe (7) is mounted on compression pin
Bar (20), described one end for compressing pin rod (20) extends to the inside on chassis (2) in drum through chilled water pipeline (19), before described
Shoe brake (4) and the front end face of rear brake shoe (7) are equipped with holddown spring (15), the top peace of the holddown spring (15)
Equipped with compression pin cap (5).
2. a kind of automobile brake drum device according to claim 1, it is characterised in that: the rear brake shoe (7)
Outside is provided with card slot, and the rear brake shoe (7) is connect with ceramic fibre brake piece (3) by card slot.
3. a kind of automobile brake drum device according to claim 1, it is characterised in that: the brake cylinder (11) is internal
Both ends be mounted on piston (16), piston spring (17) are installed on the inside of the piston (16).
4. a kind of automobile brake drum device according to claim 1, it is characterised in that: the bottom of chassis (2) in the drum
Face is equipped with brake cylinder hydraulic oil pipe (18), and the top of the brake cylinder hydraulic oil pipe (18) is prolonged on chassis (2) in drum
The inside of brake cylinder (11) is extended to, the brake cylinder hydraulic oil pipe (18) is connected through a screw thread with brake cylinder (11).
5. a kind of automobile brake drum device according to claim 1, it is characterised in that: the gap adjustment piece (12)
One end extends to the inside of gap regulating spring (13), and the gap adjustment piece (12) and gap regulating spring (13) pass through buckle
Connection.
6. a kind of automobile brake drum device according to claim 1, it is characterised in that: the bottom of the holddown spring (15)
End is fixed with front brake lining (4) by riveting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821288279.8U CN208749875U (en) | 2018-08-10 | 2018-08-10 | A kind of automobile brake drum device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821288279.8U CN208749875U (en) | 2018-08-10 | 2018-08-10 | A kind of automobile brake drum device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208749875U true CN208749875U (en) | 2019-04-16 |
Family
ID=66079787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821288279.8U Active CN208749875U (en) | 2018-08-10 | 2018-08-10 | A kind of automobile brake drum device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208749875U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163033A (en) * | 2018-08-10 | 2019-01-08 | 南京布雷尔汽车配件有限公司 | A kind of automobile brake drum device |
-
2018
- 2018-08-10 CN CN201821288279.8U patent/CN208749875U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163033A (en) * | 2018-08-10 | 2019-01-08 | 南京布雷尔汽车配件有限公司 | A kind of automobile brake drum device |
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