CN109296679A - A kind of disc type braking tong - Google Patents
A kind of disc type braking tong Download PDFInfo
- Publication number
- CN109296679A CN109296679A CN201811370590.1A CN201811370590A CN109296679A CN 109296679 A CN109296679 A CN 109296679A CN 201811370590 A CN201811370590 A CN 201811370590A CN 109296679 A CN109296679 A CN 109296679A
- Authority
- CN
- China
- Prior art keywords
- piston
- sliding axle
- hydraulic cylinder
- braking
- brake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/02—Fluid-pressure mechanisms
- F16D2125/08—Seals, e.g. piston seals
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
This application involves a kind of disc type braking tongs, belong to motor vehicle braking system field.A kind of disc type braking tong characterized by comprising braking clamp body (1)；Brake-caliper support (2)；Sliding axle (3)；Main sliding axle (30)；Secondary sliding axle (31)；It slides axle bolt (32)；It slides shaft dust protector (33)；Hydraulic cylinder (4)；The hydraulic cylinder (4) includes hydraulic cylinder body (40)；Piston (41)；Piston seal (42)；Piston dustband (43)；Guide ring (44)；Wear ring (45) and return spring (46)；Retaining spring (5)；It rubs block assembly (6)；Disc type braking tong piston of the invention uses the structure of piston seal combination guide ring wear ring, increases guide function, improves the service life of piston seal；The piston for using wear ring and guide ring structure simultaneously, can guarantee the accurate of piston return, realize automatic regulating gap.
Description
Technical field
This application involves motor vehicle braking system field more particularly to a kind of disc type braking tongs.
Background technique
Brake refers to the component for generating braking moment, power to hinder vehicle movement or movement tendency.Automobile at present
In mostly use friction brakes, it generates braking moment using the friction of fixing element and rotating element working surface.
The caliper of disc brake with floating caliper is typically designed to slide axially with relative brake disk.Wherein only in brake disc
Inside hydraulic cylinder is set, and the brake block in outside is then attached on caliper.
When braking, piston pushes brake disc under the action of hydraulic coupling, by movable brake block.At the same time, system is acted on
Reaction force on moving caliper pushes braking clamp body to move right along guide pin, makes to be fixed on the fixation brake block on braking clamp body
It presses against in brake disc.Then, the friction block assembly of brake disc two sides clamps brake disc under action of hydraulic force, is allowed to braking
The braking moment opposite with the direction of motion is generated on disk, promotes automobile brake.
Disk brake is since braking moment is big, and thermal stability and braking ability are good, and outer dimension is small, and abrasion is small, extensively
It is general to be applied to brake system of car.But current disk brake makes to live using the elasticity and quantitative deformation of piston seal
Position and self-regulated gap are got back into, it is very high for the elasticity of piston seal, heat resistance, wearability and surface roughness requirements, no
Braking ability can be completely secured.
Summary of the invention
This application provides a kind of disc type braking tongs, to guarantee that braking system efficiency is stablized, make in same braking moment
Under, the size and quality of disc type braking tong are smaller, are also easily achieved gap adjust automatically and make braking wrench structure simple, property
It can be reliable.
The present invention provides a kind of disc type braking tong, comprising:
Braking clamp body；
Brake-caliper support；
Sliding axle, the sliding axle include: main sliding axle, secondary sliding axle, sliding axle bolt and sliding shaft dust protector；It is described
Braking clamp body passes through the sliding axle bolt and the sliding axis connection；The main sliding axle and the secondary sliding axle are located at
The both ends of the braking clamp body；The sliding shaft dust protector surrounds the sliding axle；The sliding axle activity is plugged on the system
In the hole of dynamic pincers bracket；The braking clamp body is in axial sliding by the sliding axle；
Hydraulic cylinder, the hydraulic cylinder includes hydraulic cylinder body, piston, piston seal, piston dustband, guide ring, resistance to
Bull ring and return spring；The piston seal is located on the annular groove of the hydraulic cylinder body；The guide ring and described resistance to
Bull ring is located at the two sides of the piston seal；The piston and the hydraulic cylinder body cooperate；The piston dustband
Positioned at the bottom of the hydraulic cylinder body；The groove of the piston is arranged in close to the brake-caliper support in the return spring
Side；
Retaining spring, the retaining spring include the first circlip and the second circlip；The retaining spring is by the friction block
Assembly is stuck on braking clamp body, guarantee friction block assembly can move axially and cannot upper and lower play, improve brake efficiency.
Rub block assembly, and the friction block assembly is located at outside in automobile brake disc and is stuck in institute by the retaining spring
It states on brake-caliper support.When braking, friction block assembly is pushed against in brake disc under the action of hydraulic by piston, while caliper
Body moves inward under the action of reversed hydraulic coupling, also shifts the friction block assembly being mounted in brake-caliper support onto brake disc
On, piston seal, guide ring and wear ring are deformed in braking.When releasing braking, sealing ring, guide ring and wear ring restore
Shape makes piston return, while retaining spring makes the block assembly return that rubs.
Preferably, the friction block assembly by friction block and steel backing plate riveted and is formed by connecting.In disc type of the invention
Brake caliper piston uses the structure of piston seal combination guide ring wear ring, increases guide function, improves piston seal
Service life；The piston for using wear ring and guide ring structure simultaneously, can guarantee the accurate of piston return, while can be automatic
Adjust gap.
Preferably, the part-structure of the braking clamp body forms hydraulic cylinder body, has trapezoid cross section on hydraulic cylinder body wall
Annular groove is embedded in the piston seal, and the piston seal is this spy's envelope and y-type seal ring composition.Using this spy's envelope and Y type
The piston seal of sealing ring composition, can guarantee the elasticity of sealing ring, wearability and heat resistance.
A kind of disc type braking tong provided herein, compared with prior art, disc type braking tong piston of the invention are adopted
With the structure of piston seal combination guide ring wear ring, increases guide function, improve the service life of piston seal；Simultaneously
Return spring is set in the groove of piston, can guarantee the accurate of piston return, and can self-adjusting brake gap.
In addition caliper of the invention is oriented to the movement of braking clamp body using sliding axle, improves the property of braking
Energy；The axial movement for guaranteeing friction block assembly using retaining spring guarantees the performance of brake when braking without upper and lower play
Stablize.
It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited
Application.
Detailed description of the invention
Fig. 1 is a kind of schematic view of the front view of disc type braking tong provided by the embodiment of the present application；
Fig. 2 is a kind of overlooking structure diagram of disc type braking tong provided by the embodiment of the present application；
Fig. 3 is a kind of piston seal operation schematic diagram of disc type braking tong provided by the embodiment of the present application；
Fig. 4 is a kind of partial structure diagram of disc type braking tong provided by the embodiment of the present application.
Appended drawing reference: 1- braking clamp body；2- brake-caliper support；3- sliding axle；4- hydraulic cylinder；The main sliding axle of 30-；31- pair
Sliding axle；32- slides axle bolt；33- slides shaft dust protector；40- hydraulic cylinder body；41- piston；42- piston seal；43-
Piston dustband；44- guide ring；45- wear ring；46- return spring；5- retaining spring；The first circlip of 50-；51- second blocks
Spring；6- friction block assembly；61- friction block；62- steel backing plate.
The drawings herein are incorporated into the specification and forms part of this specification, and is used to explain together with specification
The principle of the application.
Specific embodiment
The application is described in further detail below by specific embodiment and in conjunction with attached drawing.
A kind of disc type braking tong provided by the embodiment of the present application, comprising: braking clamp body 1；Brake-caliper support 2；Sliding axle
3；The sliding axle 3 includes: main sliding axle 30；Secondary sliding axle 31；Slide axle bolt 32；Slide shaft dust protector 33；Hydraulic cylinder 4；
The hydraulic cylinder 4 includes hydraulic cylinder body 40；Piston 41；Piston seal 42；Piston dustband 43；Guide ring 44；Wear ring
45 and return spring 46；Retaining spring 5；The retaining spring 5 includes the first circlip 50；Second circlip 51；Rub block assembly 6；
The brake-caliper support 2 is fixed on vehicle steering knuckle；Braking clamp body 1 is connect by sliding axle bolt 32 with sliding axle 3；Main cunning
Moving axis 30 and secondary sliding axle 31 are located at the both ends of braking clamp body 1；The sliding shaft dust protector 33 surrounds sliding axle 3；Sliding
3 activity of axis is plugged in the hole of brake-caliper support 2；Braking clamp body 1 is in axial sliding by sliding axle 3；Sliding axle 3 is to caliper
Guiding role is played in the movement of body, and piston seal 42 is located on the annular groove of the hydraulic cylinder body 40；Guide ring 44 and resistance to
Bull ring 45 is located at the two sides of piston seal 42；The piston 41 cooperates with the hydraulic cylinder body 40；Piston dustband
43 are located at the bottom of the hydraulic cylinder body 40；The groove of piston 41 is arranged in close to 2 side of brake-caliper support in return spring 46；
The friction block assembly 6 in outside is stuck in the caliper by the retaining spring 5 in automobile brake disc
On bracket 2.
When braking, friction block assembly 6 is pushed against in brake disc under the action of hydraulic by piston, while braking clamp body 1 exists
It is moved inward under the action of reversed hydraulic coupling, the friction block assembly 6 being mounted in brake-caliper support 2 is also shifted onto brake disc,
Piston seal 42, guide ring 44 and wear ring 45 are deformed in braking.When releasing braking, piston seal 42, guide ring 44
Restore shape with wear ring 45, makes piston return, while retaining spring 5 makes 6 return of block assembly that rubs.
As shown in figure 3, the course of work of piston seal 42 is, when braking, brake fluid is pressed into hydraulic cylinder 4, piston
41 shift to brake disc under hydraulic action, in 41 moving process of piston, piston seal 42, guide ring 44 and wear ring 45 along
The edge of piston is mobile with piston under rubbing action, and flexible deformation occurs.
It is equal to complete braking when brake clearance is setting value corresponding to the sealing ring ultimate deformation amount of threshold friction
Required piston stroke.When releasing braking, piston 41 moves back under the rebound effect of piston seal 42 and return spring 46
It returns, until the deformation of piston seal 42 completely disappears, the gap to rub between block assembly and brake disc at this time is setting gap.
Excessive gaps if it exists, after in braking, the deflection of piston seal 42 is reached the limit values, piston 41 still can be in hydraulic action
Under overcome the frictional force of piston seal 42 to continue to move along, until realize completely braking until, piston 41 is relative to piston
The sword side of sealing ring 42 has moved forward a distance, and after releasing braking, the distance that piston seal 42 retracts piston is pole
Limit value, brake clearance is restored to setting value again at this time；Piston seal 42, guide ring 44 and wear ring 45 can play piston and return
The effect of position spring, while can be realized gap adjust automatically.
As shown in figure 4, friction block assembly 6 is friction block 61 and steel backing plate made of basic material heating and mould pressing asbestos
62 riveteds are simultaneously formed by connecting, and can reduce the noise issued when braking.The part-structure of braking clamp body 1 forms hydraulic cylinder body
40, there is on 40 wall of hydraulic cylinder body trapezoid cross section annular groove to be embedded in the piston seal 42, the piston seal 42 is that this is special
Envelope and y-type seal ring composition.Using the piston seal of this spy's envelope and y-type seal ring composition, it can guarantee the elasticity of sealing ring,
Wearability and heat resistance.
A kind of disc type braking tong provided herein, compared with prior art, disc type braking tong piston of the invention are adopted
With the structure of piston seal combination guide ring wear ring, increases guide function, improve the service life of piston seal；Simultaneously
Return spring is set in the groove of piston, can guarantee the accurate of piston return, and can self-adjusting brake gap.
In addition caliper of the invention is oriented to the movement of braking clamp body using sliding axle, improves the property of braking
Energy；The axial movement for guaranteeing friction block assembly using retaining spring guarantees the performance of brake when braking without upper and lower play
Stablize.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (3)
1. a kind of disc type braking tong characterized by comprising
Braking clamp body (1)；
Brake-caliper support (2)；
Sliding axle (3), the sliding axle (3) include: main sliding axle (30), secondary sliding axle (31), sliding axle bolt (32) and slide
Moving axis dust cover (33)；The braking clamp body (1) is connect by the sliding axle bolt (32) with the sliding axle (3)；It is described
Main sliding axle (30) and the secondary sliding axle (31) are located at the both ends of the braking clamp body (1)；The sliding shaft dust protector
(33) sliding axle (3) is surrounded；Sliding axle (3) activity is plugged in the hole of the brake-caliper support (2)；The braking
Caliper (1) is in axial sliding by the sliding axle (3)；
Hydraulic cylinder (4), the hydraulic cylinder (4) include that hydraulic cylinder body (40), piston (41), piston seal (42), piston are anti-
Konisphere (43), guide ring (44), wear ring (45) and return spring (46)；The piston seal (42) is located at the hydraulic cylinder
On the annular groove of cylinder body (40)；The guide ring (44) and the wear ring (45) are located at the piston seal (42)
Two sides；The piston (41) and the hydraulic cylinder body (40) cooperate；The piston dustband (43) is located at the hydraulic cylinder
The bottom of body (40)；The groove in the piston (41) is arranged close to the brake-caliper support (2) in the return spring (46)
Side；
Retaining spring (5), the retaining spring (5) include the first circlip (50) and the second circlip (51)；
It rubs block assembly (6), the friction block assembly (6) is located at outside in automobile brake disc and passes through the retaining spring (5)
It is stuck on the brake-caliper support (2).
2. a kind of disc type braking tong according to claim 1, which is characterized in that the friction block assembly (6) is by friction block
(61) it and steel backing plate (62) riveted and is formed by connecting.
3. a kind of disc type braking tong according to claim 1, which is characterized in that the part-structure of the braking clamp body (1)
It forms the hydraulic cylinder body (40), it is described to be embedded in offer trapezoid cross section annular groove on the side wall of the hydraulic cylinder body (40)
Piston seal (42), the piston seal (42) are this spy's envelope and y-type seal ring composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811370590.1A CN109296679A (en) | 2018-11-17 | 2018-11-17 | A kind of disc type braking tong |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811370590.1A CN109296679A (en) | 2018-11-17 | 2018-11-17 | A kind of disc type braking tong |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109296679A true CN109296679A (en) | 2019-02-01 |
Family
ID=65144049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811370590.1A Withdrawn CN109296679A (en) | 2018-11-17 | 2018-11-17 | A kind of disc type braking tong |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109296679A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU211392U1 (en) * | 2021-10-26 | 2022-06-02 | Общество с ограниченной ответственностью "Альфа Инжиниринг" (ООО "Альфа Инжиниринг") | Car brake caliper |
| CN115182944A (en) * | 2022-06-10 | 2022-10-14 | 陕西法士特齿轮有限责任公司 | Intermediate shaft brake sealing and positioning structure and intermediate shaft brake |
-
2018
- 2018-11-17 CN CN201811370590.1A patent/CN109296679A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU211392U1 (en) * | 2021-10-26 | 2022-06-02 | Общество с ограниченной ответственностью "Альфа Инжиниринг" (ООО "Альфа Инжиниринг") | Car brake caliper |
| CN115182944A (en) * | 2022-06-10 | 2022-10-14 | 陕西法士特齿轮有限责任公司 | Intermediate shaft brake sealing and positioning structure and intermediate shaft brake |
| RU228361U1 (en) * | 2023-12-30 | 2024-08-26 | Общество с ограниченной ответственностью "Альфа Инжиниринг" | TRUCK TRAILER DISC BRAKE CALIPER |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190201 |