CN207454615U - Vehicle brake shoe - Google Patents
Vehicle brake shoe Download PDFInfo
- Publication number
- CN207454615U CN207454615U CN201721308558.1U CN201721308558U CN207454615U CN 207454615 U CN207454615 U CN 207454615U CN 201721308558 U CN201721308558 U CN 201721308558U CN 207454615 U CN207454615 U CN 207454615U
- Authority
- CN
- China
- Prior art keywords
- brake
- shoe
- fin
- spring leaf
- sheet body
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of vehicle brake shoes, including spring leaf and shoe brake, the spring leaf includes two fins of V-shaped setting, the arc-like sheet for connecting two fins, mounting groove is offered on the fin, the shoe brake include sheet body, be arranged on sheet body towards on the end face of fin for being embedded into mounting groove and then shoe brake be mounted on the brake block on fin, its key points of the technical solution are that the vehicle brake shoe can control two shoe brakes to move simultaneously with a spring leaf, it is simple in structure, reduce manufacture cost.
Description
Technical field
The utility model is related to automotive brake technical field, more particularly to a kind of vehicle brake shoe.
Background technology
Existing brake shoe refers to the effect by brake cam or push rod and is pushed to outer expansion compacting brake and heaves braking
The accessory of effect, is installed on brake rim, is one of breaking piece crucial in brake system of car.Brake shoe shape such as first quarter moon
Shape, the semi-moon shaped brake shoe of two panels props up brake shoe and rubs brake rim just outer under the action of wheel cylinder when touching on the brake
Inner wall play the role of deceleration or parking.
Existing notification number is that the Chinese patent of CN201554798U discloses a kind of enhanced automobile welding drum brake shoe,
Including shoe brake, friction plate, rivet, roller shaft, brake camshaft and return spring, shoe brake has a pair of and sets relatively
It puts, by rivet on the outer surface of shoe brake, one end of two shoe brakes is rotatably connected in vehicle bridge friction plate,
Roller shaft is provided on the other end, brake camshaft is provided between two roller shafts, is provided with back between two shoe brakes
Position spring, when braking automobile, cam axle causes roller shaft to rotate, so that shoe brake is around shoe brake and vehicle
Bridge hinge joint rotates, until friction plate and brake drum friction, braking action is generated to automobile.
Although the enhanced automobile welding drum brake shoe can realize the braking action to automobile, its is complicated,
Increase manufacture cost.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of vehicle brake shoe, the vehicles
Brake-shoe is simple in structure, reduces manufacture cost.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of vehicle brake shoe,
Including spring leaf and shoe brake, the spring leaf includes two fins of V-shaped setting, the arc for connecting two fins
Shape piece, offers mounting groove on the fin, and the shoe brake includes sheet body, is arranged on sheet body towards using on the end face of fin
In being embedded into mounting groove and then shoe brake be mounted on the brake block on fin.
Two can be braked through the above technical solutions, brake block is embedded into the mounting groove on two fins by worker
Shoe plate is mounted on spring leaf, and the spring leaf can control two shoe brake movements simultaneously at this time.During automobile brake, two brakings
The shoe plate braking function close to each other to realize to automobile, the vehicle brake shoe is simple in structure, reduces manufacture cost.
Preferably, the sheet body is towards offering slot on the end face of fin, and the fin is towards setting on the end face of sheet body
It is equipped with the inserted block being embedded into slot, the section of the inserted block and slot is trapezoidal, the small head end of the inserted block and slot
Away from fin.
Through the above technical solutions, when shoe brake is mounted on fin, inserted block can be in the guiding on trapezoidal inclined-plane
It is inserted under effect in slot, is so convenient for shoe brake being mounted on fin.
Preferably, the fin is glued towards the end face of sheet body and sheet body towards the end face of spring leaf.
Through the above technical solutions, it is mechanical bonding force, the physical absorption that adhesive is utilized to be generated on joint face to be glued
Power and Chemical bonding and the process for being linked together spring leaf and shoe brake.It is used between fin and shoe brake
The mode of splicing is linked together so that fin is linked together with what shoe brake can consolidate, and adhesive technology is easy, no
Need complicated process equipment.
Preferably, the material of the spring leaf is niti-shaped memorial alloy.
Through the above technical solutions, the thermal stability of niti-shaped memorial alloy is good, spring can be prevented to a certain extent
Piece is heated and the performance of spring leaf is caused to be affected.Niti-shaped memorial alloy also have wear-resistant, anticorrosive, high-damping and
The excellent characteristics such as super-elasticity so that the spring leaf can have longer service life.
Preferably, the brake block is glued with sheet body.
It through the above technical solutions, is linked together between brake block and sheet body by the way of being glued so that brake block
It is linked together with what sheet body consolidated.
Preferably, the material of the brake block is graphene.
Through the above technical solutions, graphene has preferable thermal stability, the friction of brake block made of graphene
It is more stable in coefficient heating within the specific limits and temperature-fall period, it will not have greatly changed, while the brake block is ground
Loss rate is low, and service life is long.
In conclusion the utility model having the beneficial effect that in contrast to the prior art：This vehicle brake shoe can use a bullet
Reed controls two shoe brake movements simultaneously, simple in structure, reduces manufacture cost.
Description of the drawings
Fig. 1 is the structure diagram of embodiment；
Fig. 2 is the explosive view of spring leaf and shoe brake in embodiment, the peace of main prominent spring leaf and shoe brake
Assembling structure；
Fig. 3 is the structure diagram of spring leaf in embodiment；
Fig. 4 is the structure diagram of shoe brake in embodiment.
Reference numeral：1st, spring leaf；2nd, fin；21st, leg；22nd, connection sheet；23rd, c-type body；3rd, arc-like sheet；4th, brake-shoe
Piece；41st, sheet body；411st, fixed body；412nd, fixing body；42nd, brake block；5th, mounting groove；6th, through hole；7th, guide hole；8th, semicircle orifice；9、
Groove；10th, slot；11st, inserted block.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model be subject to Patent Law.
As illustrated in fig. 1 and 2, a kind of vehicle brake shoe, including spring leaf 1 and shoe brake 4, spring leaf 1 includes V-shaped
Two fins 2, the arc-like sheet 3 for connecting two fins 2 set, end of the fin 2 away from arc-like sheet 3 offers mounting groove
5, shoe brake 4 include sheet body 41, be arranged on sheet body 41 towards on the end face of fin 2 for being embedded into mounting groove 5 and then will
Shoe brake 4 is mounted on the brake block 42 on fin 2, and two shoe brakes 4 are located at the opposite outside of two fins 2 respectively, when
When shoe brake 4 is mounted on spring leaf 1, spring leaf 1 can control two shoe brakes 4 to move simultaneously.During automobile brake, two
The braking function close to each other to realize to automobile of shoe brake 4, this vehicle brake shoe is simple in structure, reduces manufacture cost.
As shown in figure 3, fin 2 includes leg 21, connection sheet 22 and c-type body 23, leg 21, connection sheet 22 and arc-like sheet 3
It is connected for integral type.Leg 21 is rectangle, through hole 6 is offered on the both ends of 21 length direction of leg, the section of through hole 6 is half
Circle, leg 21 offer guide hole 7 on one end of arc-like sheet 3, the rectangular cross-section of guide hole 7 and positioned at 21 long side of leg
Middle position, connection sheet 22 are connected to middle part of the leg 21 away from 3 one end of arc-like sheet, and connection sheet 22 is rectangle, connection sheet
22 one end away from leg 21 is connected with the middle part of c-type body 23, and c-type body 23 surrounds into mounting groove 5.
As shown in figs. 1 and 4, sheet body 41 includes fixed body 411 and fixing body 412, and fixed body 411 is close to 3 one end of arc-like sheet
Both sides offer semicircle orifice 8 respectively, fixed body 411 opens up fluted 9 on the middle part of 3 one end of arc-like sheet, and groove 9 is cut
Face is trapezoidal, and towards semicircle orifice 8, the one end of fixed body 411 away from open-work connects the small head end of groove 9 with 412 integral type of fixing body
It connects, the section of fixing body 412 is approximate rectangular, and the length of fixing body 412 is more than the length of fixed body 411, and brake block 42 is glued to
On fixing body 412.
It is realized and is glued using phenolic resin glue between brake block 42 and fixing body 412, adhesive strength is high, high temperature resistance
Good, in the present embodiment, brake block 42 and the gluing step of fixing body 412 are as follows：1st, pre-treatment：Worker is to the viscous of fixing body 412
Junction carries out oil removing, is cleaned up except water process and to the bonding plane of brake block 42 after grinding with ethyl acetate, with true
Guarantor's bonding plane is anhydrous, oil-free；2nd, gluing：In twice of the bonding plane gluing of brake block 42 and fixing body 412, in room after often applying one time
Temperature（25℃）Under hang 30 minutes, then brake block 42 and fixing body 412 are placed at 85 DEG C and preheated 20 minutes, is then closed while hot
Hold together pressurization；3rd, curing and release：When the temperature of brake block 42 and fixing body 412 hangs 25 DEG C can release, brake block at this time
42 are glued on fixing body 412.
As shown in Fig. 2, the end face middle part of fixed body 411 towards fin 2 offers slot 10, the section of slot 10 is ladder
Shape, the small head end of slot 10 is away from fin 2, and connection sheet 22 is towards being provided with to be embedded into slot on the end face of shoe brake 4
Inserted block 11 in 10, inserted block 11 are fixedly connected with connection sheet 22, and the section of inserted block 11 is trapezoidal, the small head end direction system of inserted block 11
Dynamic shoe plate 4, when shoe brake 4 is mounted on spring leaf 1, inserted block 11 can be inserted under the guiding role on trapezoidal inclined-plane
In slot 10, so it is convenient for shoe brake 4 being mounted on spring leaf 1.
Fin 2 is glued towards the end face of sheet body 41 and sheet body 41 towards the end face of fin 2, is adopted between fin 2 and sheet body 41
It is realized and is glued with phenolic resin glue, adhesive strength is high, and high temperature resistance is good, in the present embodiment, the splicing of fin 2 and sheet body 41
Step is as follows：1st, pre-treatment：Worker carries out oil removing to the bonding plane of fin 2, is passed through except water process and to the bonding plane of sheet body 41
It is cleaned up after crossing grinding with ethyl acetate, to ensure that bonding plane is anhydrous, oil-free；2nd, gluing：In the bonding of fin 2 and sheet body 41
Twice of face gluing, in room temperature after often applying one time（25℃）Under hang 30 minutes, then fin 2 and sheet body 41 are placed at 85 DEG C in advance
Heat 20 minutes, then closes up pressurization while hot；3rd, curing and release：It is i.e. detachable when the temperature of fin 2 and sheet body 41 hangs 25 DEG C
Pressure, sheet body 41 is glued on fin 2 at this time.
It is linked together between fin 2 and sheet body 41 by the way of being glued so that fin 2 is consolidated with shoe brake 4
It is linked together, and adhesive technology is easy, and complicated process equipment is not required.
The material of spring leaf 1 is niti-shaped memorial alloy, and the thermal stability of niti-shaped memorial alloy is good, can be certain
It prevents spring leaf 1 heated in degree and the elastic property of spring leaf 1 is caused to be affected.Niti-shaped memorial alloy also has resistance to
The excellent characteristics such as abrasion, anticorrosive, high-damping and super-elasticity so that the spring leaf 1 can have longer service life.
The material of brake block 42 is graphene, and graphene has preferable thermal stability, the brake block made of graphene
It is more stable in the heating within the specific limits of 42 coefficient of friction and temperature-fall period, it will not have greatly changed, simultaneously should
42 low wear rate of brake block, service life are long.
The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention
It encloses, the scope of protection of the utility model is determined by appended claim.
Claims (6)
1. a kind of vehicle brake shoe, it is characterized in that：Including spring leaf (1) and shoe brake (4), the spring leaf (1) includes
Two fins (2) of V-shaped setting, the arc-like sheet (3) for connecting two fins (2), offer installation on the fin (2)
Slot (5), the shoe brake (4) include sheet body (41), be arranged on sheet body (41) towards on the end face of fin (2) for being embedded into
The brake block (42) on fin (2) is mounted in mounting groove (5) and then by shoe brake (4).
2. vehicle brake shoe according to claim 1, it is characterized in that：The sheet body (41) is towards on the end face of fin (2)
Offer slot (10), the fin (2) is towards being provided with to be embedded into inserting in slot (10) on the end face of sheet body (41)
The section of block (11), the inserted block (11) and slot (10) is trapezoidal, and the small head end of the inserted block (11) and slot (10) deviates from
Fin (2).
3. vehicle brake shoe according to claim 1, it is characterized in that：The fin (2) towards the end face of sheet body (41) with
Sheet body (41) is glued towards the end face of spring leaf (1).
4. vehicle brake shoe according to claim 1, it is characterized in that：The material of the spring leaf (1) is remembered for NiTi shape
Recall alloy.
5. vehicle brake shoe according to claim 1, it is characterized in that：The brake block (42) is glued with sheet body (41).
6. vehicle brake shoe according to claim 1, it is characterized in that：The material of the brake block (42) is graphene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721308558.1U CN207454615U (en) | 2017-10-11 | 2017-10-11 | Vehicle brake shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721308558.1U CN207454615U (en) | 2017-10-11 | 2017-10-11 | Vehicle brake shoe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207454615U true CN207454615U (en) | 2018-06-05 |
Family
ID=62252039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721308558.1U Expired - Fee Related CN207454615U (en) | 2017-10-11 | 2017-10-11 | Vehicle brake shoe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207454615U (en) |
-
2017
- 2017-10-11 CN CN201721308558.1U patent/CN207454615U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180605 Termination date: 20201011 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |