CN109296678A - A kind of disc brake caliper - Google Patents
A kind of disc brake caliper Download PDFInfo
- Publication number
- CN109296678A CN109296678A CN201811370587.XA CN201811370587A CN109296678A CN 109296678 A CN109296678 A CN 109296678A CN 201811370587 A CN201811370587 A CN 201811370587A CN 109296678 A CN109296678 A CN 109296678A
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- piston
- sliding axle
- brake
- braking
- 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- Withdrawn
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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
- F16D65/00—Parts or details
- F16D65/38—Slack adjusters
- F16D65/72—Slack adjusters hydraulic
-
- 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
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- 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 includes: 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)；Retaining spring (5)；It rubs block assembly (6)；Caliper of the invention is unilateral hydraulic cylinder structure, does not need the oil duct across brake disc, and axially and radially size is smaller, and arrangement is more nearly hub for vehicle wheel, and the heated vaporization of brake fluid is less, can guarantee the stabilization of brake efficiency；Piston structure using single sealing ring is simple, can guarantee the accurate of piston return, while being capable of automatic regulating gap.
Description
Technical field
This application involves motor vehicle braking system field more particularly to a kind of disc brake calipers.
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.
What the caliper of disc brake with floating caliper was typically designed can be slid 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 of brake disc two sides clamps brake disc under action of hydraulic force, is allowed on the disc brake rotor
The opposite braking moment of the direction of motion is resulted from, automobile brake is promoted.
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 brake calipers similarly to be braked with guaranteeing that braking system efficiency is stablized
Under moment loading, the size and quality of disc type braking tong are smaller, are also easily achieved gap adjust automatically and to brake wrench structure
Simply, reliable performance.
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
With sliding shaft dust protector；The braking clamp body passes through the sliding axle bolt and the sliding axis connection；The main sliding axle and
The pair sliding axle is located at the both ends of the braking clamp body；The sliding shaft dust protector surrounds the sliding axle；The cunning
Moving axis activity is plugged in the hole of the brake-caliper support；The braking clamp body is in axial sliding along the sliding axle；
Hydraulic cylinder, the hydraulic cylinder are located at the side of automobile brake disc, the hydraulic cylinder include hydraulic cylinder body, piston,
Piston seal and piston dustband；The piston seal is located on the annular groove of the hydraulic cylinder body；The piston with
The hydraulic cylinder body cooperation；The piston dustband is located at the bottom of the hydraulic cylinder body；
Retaining spring, the retaining spring include the first circlip and the second circlip；It is total that the retaining spring blocks friction block
At；The friction block assembly in outside is stuck on the brake-caliper support by the retaining spring in automobile brake disc；
Means of deflation, the means of deflation include bleed screw and bleeder cap；The means of deflation is mounted on and the hydraulic cylinder
In the oil circuit of connection.
The piston seal is located on the annular groove of the hydraulic cylinder body；The piston is matched with the hydraulic cylinder body
It closes；The piston dustband is located at the bottom of the hydraulic cylinder body；Single ring structure is simple, and cost is relatively low.
The friction block assembly in outside is stuck in the caliper branch by the retaining spring in automobile brake disc
On frame.
When braking, friction block is pushed against in brake disc under the action of hydraulic by piston, while braking clamp body is in reversed liquid
It moves inward, the friction block being mounted in brake-caliper support is also shifted onto brake disc, piston seal exists under the action of pressure
It is deformed when braking.When releasing braking, sealing ring restores shape, makes piston return, while retaining spring makes friction block return.
Preferably, the friction block assembly by friction block and steel backing plate riveted and is formed by connecting.
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 brake caliper provided herein, compared with prior art, caliper of the invention are single
Side hydraulic cylinder structure does not need the oil duct across brake disc, and axially and radially size is smaller, and arrangement is more nearly hub for vehicle wheel,
The heated vaporization of brake fluid is less, can guarantee the stabilization of brake efficiency；Caliper directlys adopt the elasticity of piston seal and determines
Quantitative change shape make piston return and can automatic regulating gap, structure is simple, and cost is relatively low, is easy to marketing；Using this spy's envelope
It with the piston seal of y-type seal ring composition, can guarantee the accurate of piston return, while also increase the wear-resisting of piston seal
Property；The means of deflation being mounted in brake circuit avoids the air in brake excessive, causes the dysfunction of brake, improves
The stability of braking ability.
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 brake caliper provided by the embodiment of the present application；
Fig. 2 is a kind of overlooking structure diagram of disc brake caliper provided by the embodiment of the present application；
Fig. 3 is a kind of right side structural representation of disc brake caliper provided by the embodiment of the present application；
Fig. 4 is a kind of principle sketch of disc brake caliper 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；5- retaining spring；The first circlip of 50-；The second circlip of 51-；6- friction block assembly；7- means of deflation；70- deflates
Screw；71- bleeder cap；8- automobile brake disc.
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.
As shown in Figure 1-3, a kind of disc type braking tong provided by the embodiment of the present application, comprising: braking clamp body 1；Caliper
Bracket 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；Stop
Spring 5；The retaining spring 5 includes the first circlip 50；Second circlip 51；Rub block assembly 6；Means of deflation 7；Means of deflation 7
Including bleed screw 70 and bleeder cap 71；Means of deflation 7 is mounted in the oil circuit connecting with hydraulic cylinder 4；Avoid brake
In air it is excessive, cause the dysfunction of brake.The sky in brake liquid can be quickly excluded by means of deflation 7
Gas.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
Axis 3 is inserted into actuation cooperation in the hole of brake-caliper support 2；The braking clamp body 1 is in axial sliding along sliding axle 3；Piston seal
42 are located on the annular groove of the hydraulic cylinder body 40；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 friction block assembly 6 in outside is stopped by described in automobile brake disc
Spring 5 of moving is stuck on the brake-caliper support 2.
As shown in figure 4, friction block assembly 6 pushes against automobile brake disc 8 by piston 41 under the action of hydraulic when braking
On, friction block assembly 6 is separately mounted to the two sides of automobile brake disc 8, while braking clamp body 1 under the action of reversed hydraulic coupling to
Interior movement also shifts the friction block assembly 6 being mounted in brake-caliper support 2 on automobile brake disc 8 onto, and friction block assembly 6 is simultaneously
Movement, completes braking process, and piston seal 42 is deformed in braking.When releasing braking, piston seal 42 restores shape, makes
41 return of piston, while retaining spring 5 makes 6 return of block assembly that rubs.
Hydraulic cylinder 4 is located at the side of automobile brake disc 8, and two sides installation hydraulic cylinder is avoided to cause across automobile brake disc 8
Oil duct can make the arrangement size of brake smaller.
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 is retracted under the action of piston seal 42, until piston seal 42
Deformation completely disappear, the gap to rub between block assembly 6 and automobile brake disc 8 at this time is setting gap.If it exists between excess
Gap, after in braking, the deflection of piston seal 42 is reached the limit values, piston 41 still can overcome piston close under hydraulic action
The frictional force of seal 42 continues to move along, until realizing braking completely, sword of the piston 41 relative to piston seal 42
While having moved forward a distance；After releasing braking, the distance that piston seal 42 retracts piston 41 is limiting value, is made at this time
Dynamic gap is restored to setting value again, and piston seal 42 can play the role of piston return spring, while can be realized gap
Adjust automatically.
Friction block assembly 6 be friction block and steel backing plate riveted made of basic material heating and mould pressing asbestos and connect and
At so that the brake efficiency of brake is stablized.The part-structure of braking clamp body 1 forms hydraulic cylinder body 40, hydraulic cylinder body 40
There is trapezoid cross section annular groove to be embedded in the piston seal 42 on wall, the piston seal 42 is this spy's envelope and y-type seal ring group
At.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.
The block assembly 6 that rubs further includes friction block wear abrasion alarming device.When friction block friction is to minimum thickness allowable, warning device is just
It connects circuit and alarm signal is issued to driver.
A kind of disc type braking tong provided herein, compared with prior art, caliper of the invention are unilateral hydraulic
Cylinder structure does not need the oil duct across brake disc, and axially and radially size is smaller, and arrangement is more nearly hub for vehicle wheel, brake fluid
Heated vaporization is less, can guarantee the stabilization of brake efficiency；Using the piston seal of this spy's envelope, structure is simple, can guarantee
Piston return it is accurate, while being capable of automatic regulating gap；The means of deflation being mounted in brake circuit avoids in brake
Air is excessive, causes the dysfunction of brake, improves the stability of braking ability.
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
Shaft dust protector (33)；The braking clamp body (1) is connect by the sliding axle bolt (32) with the sliding axle (3)；The master
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 along the sliding axle (3)；
Hydraulic cylinder (4), the hydraulic cylinder (4) are located at the side of automobile brake disc, and the hydraulic cylinder (4) includes hydraulic cylinder body
(40), piston (41), piston seal (42) and piston dustband (43)；The piston seal (42) is located at the hydraulic cylinder
On the annular groove of cylinder body (40)；The piston (41) and the hydraulic cylinder body (40) cooperate；Piston dustband (43) position
In the bottom of the hydraulic cylinder body (40)；
Retaining spring (5), the retaining spring (5) include the first circlip (50) and the second circlip (51)；The retaining spring (5)
Block friction block assembly (6)；
The friction block assembly (6) in outside is stuck in the caliper by the retaining spring (5) in automobile brake disc
On bracket (2)；
Means of deflation (7), the means of deflation (7) include bleed screw (70) and bleeder cap (71)；The means of deflation
(7) it is mounted in the oil circuit being connect with the hydraulic cylinder (4).
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
With steel backing plate riveted and be 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 hydraulic cylinder body (40), there is trapezoid cross section annular groove to be embedded in the piston seal (42), institute on hydraulic cylinder body (40) wall
Stating piston seal (42) is this spy's envelope and y-type seal ring composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811370587.XA CN109296678A (en) | 2018-11-17 | 2018-11-17 | A kind of disc brake caliper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811370587.XA CN109296678A (en) | 2018-11-17 | 2018-11-17 | A kind of disc brake caliper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109296678A true CN109296678A (en) | 2019-02-01 |
Family
ID=65144230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811370587.XA Withdrawn CN109296678A (en) | 2018-11-17 | 2018-11-17 | A kind of disc brake caliper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109296678A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112777331A (en) * | 2020-12-31 | 2021-05-11 | 无锡强联晟科技有限公司 | Uniform stacking structure system |
-
2018
- 2018-11-17 CN CN201811370587.XA patent/CN109296678A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112777331A (en) * | 2020-12-31 | 2021-05-11 | 无锡强联晟科技有限公司 | Uniform stacking structure system |
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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 |