CN208348351U - Brake assembly - Google Patents
Brake assembly Download PDFInfo
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- CN208348351U CN208348351U CN201820949338.5U CN201820949338U CN208348351U CN 208348351 U CN208348351 U CN 208348351U CN 201820949338 U CN201820949338 U CN 201820949338U CN 208348351 U CN208348351 U CN 208348351U
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- brake
- outside friction
- friction disc
- brake assembly
- annular
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Abstract
The utility model provides a kind of brake assembly, comprising: brake casing and end cap, brake casing and end cap limit the accommodation space of annular jointly；And it is contained in the inner attrition piece in accommodation space, outside friction disc and annular piston, wherein, the inner attrition piece and outside friction disc of multiple annulars are alternately superimposed on each other along the axial direction of brake casing, inner attrition piece is fixedly connected with external connection body, and outside friction disc can prolong axial direction and movably be received in the track of cover internal, the disc spring of annular is provided between two adjacent outside friction discs, to separate two outside friction discs with clamped inner attrition piece in non-braking state, annular piston can move between the application position of outside friction disc and the non-braking position separated with outside friction disc.The purpose of this utility model is to provide a kind of brake assembly, the brake assembly Layout Problem in small space is solved, while improving the reliability of high revolving speed down train braking.
Description
Technical field
The utility model relates to automobile chassis wheel service braking system technical fields to be more specifically related to a kind of system
Dynamic device assembly.
Background technique
Brake assembly is mounted on wheel, braking moment can be effectively provided in vehicle deceleration driving process, really
Guarantor meets service brake requirement, guarantees traffic safety.There are two kinds of structures of drum-type and disc type at present, disc type is applied on vehicle at present
Gradually increase, and there is the trend increased year by year, this brake assembly belongs to disk brake.
Existing disk brake is mainly composed of caliper and brake disc, and caliper is with one or more living
Plug, brake disc are generally solid or with ventilation hole structure, and when braking, friction plate is pressed on brake disc by air-liquid pressure by piston
On, to generate moment of friction, realizes and slow down.
The advantages of product is that structure is mature, and assembly part is few, convenient for assembly.Disadvantage is that assembly size is big, and heat dissipation is main
By air-cooled, when carrying out long-term high revolving speed braking to wheel, brake disc heat dissipation is insufficient, will lead to braking moment decline, influences
Traffic safety, therefore, existing disk brake are unfavorable for being arranged in more small space.
Utility model content
For problem present in the relevant technologies, the purpose of this utility model is to provide a kind of brake assemblies, solve
Brake assembly Layout Problem in small space, while improving the reliability of high revolving speed down train braking.
To achieve the above object, the utility model provides a kind of brake assembly, comprising: brake casing and end cap,
Brake casing and end cap limit the accommodation space of annular jointly；And it is contained in inner attrition piece in accommodation space, external friction
Piece and annular piston, wherein multiple inner attrition pieces and outside friction disc are alternately superimposed on each other along the axial direction of brake casing, interior
Friction plate is fixedly connected with external connection body, and outside friction disc can prolong axial direction and movably be received within cover internal
In track, be provided with disc spring between two adjacent outside friction discs, so as to make two outside friction discs in non-braking state with institute
The inner attrition piece of clamping separates, and annular piston can be in the application position against outside friction disc and the non-system separated with outside friction disc
It is moved between dynamic position, wherein inner attrition piece and outside friction disc are annular friction piece, also, disc spring includes angled setting
Annular first leg and annular the second supporting leg, first leg and the second supporting leg bear against two neighboring outside friction disc.
One embodiment according to the present utility model, brake casing and end cap be provided be connected to accommodation space it is logical
Hole accommodates rotary shaft in through-hole, and through-hole is sealed by oil sealing respectively.
One embodiment according to the present utility model, inner attrition piece are fixedly connected with rotary shaft.
One embodiment according to the present utility model accommodates coolant liquid in accommodation space, and sets on brake casing
It is equipped with coolant inlet and cooling liquid outlet, accommodation space is connected by coolant inlet and cooling liquid outlet and coolant duct
It is logical.
One embodiment according to the present utility model, coolant duct and radiator thermal coupling, also, in coolant duct
It is connected with coolant pump.
One embodiment according to the present utility model is provided with the brake fluid row being connected to accommodation space on brake casing
Stomata.
One embodiment according to the present utility model, annular piston are contained in the annular piston duct on brake casing
In, and annular piston can move in piston duct between application position and non-braking position.
One embodiment according to the present utility model, is provided with brake fluid duct in brake casing, brake fluid duct with
Piston hole link.
One embodiment according to the present utility model, track construction are the flower in axial direction extended positioned at end cap inner wall
Key is provided with the protrusion matched with spline on outside friction disc.
One embodiment according to the present utility model, at least provided with rubbing outside five inner attrition pieces and six in accommodation space
Pad.
The advantageous effects of the utility model are:
The utility model relates to brake assembly, be arranged alternately in the accommodation space that brake casing and end cap limit
There are multiple inner attrition pieces and outside friction disc, multiple friction plates are braked simultaneously, and braking efficiency is high, at low cost, good reliability, because
This, can reduce the size of brake assembly under the premise of not reducing braking effect；In addition, being set between adjacent outside friction disc
It is equipped with disc spring, in non-braking state, guarantees inner attrition piece and outside friction disc separation, is easily installed, be not required to setting guiding mechanism,
The compression and return good reliability of disc spring, and can be further improved the reliability of brake assembly.
Detailed description of the invention
Fig. 1 is the structure chart of brake according to an embodiment of the present invention；
Fig. 2 is the outer shape schematic diagram according to the utility model one embodiment brake.
Specific embodiment
Below with reference to attached drawing, the embodiments of the present invention are described in detail.It should be noted that following implement
Example does not constitute the restriction to the utility model, can be combined and replace between different embodiments.
As depicted in figs. 1 and 2, one embodiment of the utility model provides a kind of brake assembly.The brake is total
Brake casing 4 and end cap 10 are provided in, brake casing 4 and end cap 10 limit the accommodation space of annular jointly.At this
Inner attrition piece 7, outside friction disc 6 and annular piston 5 are accommodated in the accommodation space of annular.Wherein, inner attrition piece 7 and external friction
Piece 6 is alternately superimposed on each other along the axial direction L of brake casing 4, and inner attrition piece 7 is fixedly connected with external connection body, and outer
Friction plate 6 can prolong in the track that axial direction L is movably received within inside end cap 10, two adjacent outside friction discs 6 it
Between be provided with disc spring 8, to separate two outside friction discs 6 with clamped inner attrition piece 7 in non-braking state, annular is living
Plug 5 can move between the application position of outside friction disc 6 and the non-braking position isolated with outside friction disc 6.
It is to be understood that said external connector can be the rotary shaft on automotive hub.Alternatively, in one embodiment
In, external connection body also can connect to other power sources.
It is movably received within inside end cap 10 additionally, it should be further appreciated that outside friction disc 6 can prolong axial direction L
Track in refer to that annular piston 5 makes it towards interior friction against outside friction disc 6 when brake assembly is in on-position
Piece 7 is mobile, finally against inner attrition piece 7, achievees the purpose that braking；When brake assembly is in non-brake state, disc spring 8 is pushed
Two adjacent outside friction discs 6 separate the two with inner attrition piece 7, without installing guide post.In above process, it rubs outside
Only there is displacement on L in pad 6, without occurring relative to brake casing 4 in the axial direction for brake casing 4
Rotation.
One embodiment according to the present utility model, inner attrition piece 7 and outside friction disc 6 are annular friction piece, also, dish
Spring 8 includes the first leg of the annular of angled setting and the second supporting leg of annular, and first leg and the second supporting leg are born against
Two neighboring outside friction disc 6.In other words, first leg and the second supporting leg are two ring disks, and disc spring 8 is by two annular dish
Piece is composed of a fixed connection.This annular friction piece can carry out overall wheat flour and move, and increase the brake area of brake assembly, reach
Preferable braking effect, therefore the volume of brake can be further reduced.
Referring again to Fig. 1 and Fig. 2, one embodiment according to the present utility model, brake casing 4 and end cap 10 are provided with
The through-hole being connected to accommodation space accommodates rotary shaft in through-hole, and through-hole is sealed by oil sealing respectively.Specifically,
As shown in Figure 1, the first oil sealing 3 is sealed between brake casing 4 and rotary shaft, the second oil sealing 11 is sealed in end cap 10 and rotation
Between axis.In this way, accommodation space can be formed as sealing structure.
One embodiment according to the present utility model, external connection body are rotary shaft 1.That is, inner attrition piece 7 and rotation
Shaft is fixedly connected.
Further, one embodiment according to the present utility model accommodates coolant liquid, and brake in accommodation space
Coolant inlet 14 and cooling liquid outlet 15 are provided on shell 4, accommodation space passes through coolant inlet 14 and cooling liquid outlet
15 are connected to coolant duct.Coolant liquid enters coolant circulation system by coolant inlet 14 and cooling liquid outlet 15,
It is returned in accommodation space after cooling in coolant duct, to keep good cooling effect, prevents friction plate from overheating.
One embodiment according to the present utility model, coolant duct and radiator thermal coupling, also, in coolant duct
It is connected with coolant pump.It opens coolant pump and extracts refrigerating fluid from accommodation space, by coolant duct and radiator thermal coupling
It closes, is transmitted back to accommodation space again after forced heat radiation, radiates to friction plate, radiating efficiency with higher solves high turn
Heat dissipation problem in the case where speed, in small space.
In one embodiment, radiator can be air-cooled radiator.In another embodiment, radiator is also possible to
Liquid cooling heat radiator.This can as the case may be depending on, the utility model is not limited to this.
One embodiment according to the present utility model is provided with the brake fluid being connected to accommodation space on brake casing 4
Gas vent causes oil liquid to ooze out oil sealing to avoid air pressure inside raising.And braking reliability is improved, air is reduced and is mixed into liquid
Pressure oil leads to the hidden danger of insufficient pressure.
One embodiment according to the present utility model, annular piston 5 are contained in the annular piston duct on brake casing 4
In, and annular piston 5 can move between application position and non-braking position.In this way, being integrated with list in brake casing 4
One piston duct carries out overall face friction catch by annular piston, and more evenly, hydraulic pressure strength requires low, cost to pressing force
It is low, good reliability.
One embodiment according to the present utility model, is provided with brake fluid duct in brake casing 4, brake fluid duct with
Piston hole link.That is, the brake fluid in brake fluid duct enters piston hole when brake assembly is in on-position
Road pushes annular piston 5 mobile towards outside friction disc 6, finally makes outside friction disc 6 against inner attrition piece 5, and then reach braking
Purpose.
One embodiment according to the present utility model, track construction are that in axial direction L extends positioned at 10 inner wall of end cap
Spline is provided with the protrusion matched with spline on outside friction disc 6.Protrusion matched with spline, prevent outside friction disc 6 relative to
Brake casing 4 rotates, and influences braking effect.
One embodiment according to the present utility model, it is outer at least provided with five inner attrition pieces 7 and six in accommodation space
Friction plate 6.
In one embodiment, to adapt to the brake assembly arrangement in small space, while the reliable of service brake is improved
Property, the utility model proposes a kind of high revolving speed wet brake assemblies, compared with prior art, are braked using multiple disc hydraulic
Traditional brake disc is divided into outside friction disc in multiple small sizes, piston drive, cooling system, venthole etc. and shell by structure
It is integrated, it can greatly reduce brake dimensions, while high speed braking heat dissipation is good, ensure that the reliability of service brake.
One embodiment of the utility model is related to a kind of high revolving speed wet brake assembly, wherein brake disc is by multiple
Floating type inside and outside friction plate forms, and is placed with disc spring 8 between outside friction disc 6, guarantees in non-brake situation, interior outside friction disc point
From；Brake disc uses overall face friction catch；Outside friction disc 6 is loaded in brake casing, and inner attrition piece 7 is loaded in the wheel of rotation
Hub, the two are loaded by spline；Hydraulic oil pushes piston to compress interior outside friction disc by oilhole, forms braking moment；Braking
Design has coolant liquid inlet and outlet on device shell 4, to carry out pressure cooling to friction plate；Design has brake fluid row on brake casing
Port 13 causes oil liquid to ooze out oil sealing to avoid air pressure inside raising.
In above-described embodiment, locking-valve piston drive, cooling system, venthole etc. are integrated with shell, brake dimensions
Axially mounted size reduces 56.8%, solves small space lower brake Layout Problem；Using wet braking, design has pressure cold
But system solves the heat dissipation problem under high revolving speed, small space；Overall face friction catch, pressing force are carried out with single piston cylinder
More evenly, hydraulic pressure strength requires low, at low cost, good reliability.
In one embodiment of the utility model, brake assembly structure is as shown in Figure 1, mainly include rotary shaft 1, peace
Fill bolt 2, the first oil sealing 3, brake casing 4, annular piston 5, outside friction disc 6, inner attrition piece 7, disc spring 8, connection bolt 9,
End cap 10, the second oil sealing 11, hydraulic oil inlet 12, brake fluid exhaust outlet 13, effect provide braking when being vehicle breaking operation
Torque realizes the function of vehicle deceleration and stopping.
Brake casing 4 is connected to the fixed position on chassis by installing bolt 2, end cap 10 by connection bolt 9 with
Brake casing 4 is connected, and annular piston 5, outside friction disc 6, inner attrition piece 7, disc spring 8 etc. are then mounted on rotary shaft 1, arrester shell
In internal cavities between body 4 and end cap 10.Outside friction disc 6 and 7 interfolded of inner attrition piece, form 5 friction plate groups.Every 2
Disc spring 8 is laid between a outside friction disc 6.First oil sealing 3, the second oil sealing 11 are contacted with rotary shaft 1, make the interior of brake assembly
The affiliated space of outside friction disc forms seal cavity, to fill coolant liquid.
When non-brake state, disc spring 8 separates outside friction disc 6 with inner attrition piece 7 under own resilient, occurs between the two
Gap, inner attrition piece 7 can be rotated freely with rotary shaft, brake brakeless torque.
When braking, the hydraulic oil of certain pressure intensity is applied on annular piston 5 by hydraulic oil inlet 12, pushes annular living
Plug 5 squeezes outside friction disc 6 and disc spring 8, when the gap between outside friction disc 6 and inner attrition piece 7 is 0 and generates pressure, friction
Piece will generate friction, form braking moment.In the process, cryogenic liquid passes through coolant inlet 14 (as shown in Figure 2)
Pressure cooling is carried out into brake inside, high temperature coolant is flowed out and radiated by cooling liquid outlet 15, realizes brake
The cooling cycle of assembly.When having gas generation inside hydraulic oil, gas then passes through the exclusion of brake fluid exhaust outlet 13, ensure that liquid
The actuating pressure of pressure oil.
Above-described embodiment is by using overall face friction catch and forces cooling design concept, provides a kind of high revolving speed
Wet brake assembly structure is solved since ventional disc brake volume is excessive, the problem that braking time cannot be too long, solution
The problem of brake difficult arrangement under high revolving speed, small space of having determined, realize the size of brake assembly and the optimization of heat dissipation
Design, improves the generally applicable property of product.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of brake assembly characterized by comprising brake casing (4) and end cap (10), the brake casing
(4) and the end cap (10) limits annular accommodation space jointly；And it is contained in the inner attrition piece in the accommodation space
(7), outside friction disc (6) and annular piston (5),
Wherein, the axial direction (L) of multiple inner attrition pieces (7) and the outside friction disc (6) along the brake casing (4)
Alternately superimposed on each other, the inner attrition piece (7) is fixedly connected with external connection body, and the outside friction disc (6) can prolong it is described
Axial direction (L) is movably received in the internal track of the end cap (10),
Disc spring (8) are provided between the outside friction disc (6) of adjacent two, to make two outside friction discs (6) non-
It is separated under on-position with the clamped inner attrition piece (7),
The annular piston (5) can separate in the application position against the outside friction disc (6) and with the outside friction disc (6)
Non-braking position between move,
Wherein, the inner attrition piece (7) and the outside friction disc (6) are annular friction piece, also, the disc spring (8) includes
The first leg of the annular of angled setting and the second supporting leg of annular, the first leg and second supporting leg are born against
The two neighboring outside friction disc (6).
2. brake assembly according to claim 1, which is characterized in that the brake casing (4) and the end cap
(10) it is provided with the through-hole being connected to the accommodation space, rotary shaft is accommodated in the through-hole, and the through-hole leads to respectively
Oil sealing is crossed to be sealed.
3. brake assembly according to claim 2, which is characterized in that the inner attrition piece (7) and the rotary shaft are solid
Fixed connection.
4. brake assembly according to claim 2, which is characterized in that coolant liquid is accommodated in the accommodation space, and
And it is provided with coolant inlet (14) and cooling liquid outlet (15) on the brake casing (4), the accommodation space passes through institute
It states coolant inlet (14) and the cooling liquid outlet (15) is connected to coolant duct.
5. brake assembly according to claim 4, which is characterized in that the coolant duct and radiator thermal coupling,
Also, coolant pump is connected in the coolant duct.
6. brake assembly according to claim 2, which is characterized in that be provided on the brake casing (4) and institute
State the brake fluid gas vent of accommodation space connection.
7. brake assembly according to claim 1, which is characterized in that the annular piston (5) is contained in the braking
In annular piston duct on device shell (4), and the annular piston (5) can be in the application position and described non-brake
It is moved in the piston duct between position.
8. brake assembly according to claim 7, which is characterized in that be provided with braking in the brake casing (4)
Fluid apertures road, the brake fluid duct and the piston hole link.
9. brake assembly according to claim 1, which is characterized in that the track construction is positioned at the end cap (10)
The spline that inner wall extends along the axial direction (L), be provided on the outside friction disc (6) matched with the spline it is convex
It rises.
10. brake assembly according to claim 1, which is characterized in that at least provided with five in the accommodation space
The inner attrition piece (7) and six outside friction discs (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820949338.5U CN208348351U (en) | 2018-06-20 | 2018-06-20 | Brake assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820949338.5U CN208348351U (en) | 2018-06-20 | 2018-06-20 | Brake assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208348351U true CN208348351U (en) | 2019-01-08 |
Family
ID=64884451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820949338.5U Active CN208348351U (en) | 2018-06-20 | 2018-06-20 | Brake assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208348351U (en) |
-
2018
- 2018-06-20 CN CN201820949338.5U patent/CN208348351U/en active Active
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