CN107651088B - Improved structure of brake - Google Patents
Improved structure of brake Download PDFInfo
- Publication number
- CN107651088B CN107651088B CN201610592026.9A CN201610592026A CN107651088B CN 107651088 B CN107651088 B CN 107651088B CN 201610592026 A CN201610592026 A CN 201610592026A CN 107651088 B CN107651088 B CN 107651088B
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- wheel
- clamp arm
- brake
- improved structure
- principal axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L1/00—Brakes; Arrangements thereof
- B62L1/02—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements
- B62L1/06—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements the wheel rim being engaged
- B62L1/10—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements the wheel rim being engaged by the elements moving substantially parallel to the wheel axis
- B62L1/14—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements the wheel rim being engaged by the elements moving substantially parallel to the wheel axis the elements being mounted on levers pivotable about different axes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
A kind of improved structure of brake, to one wheel of clamping stopper, including at least disymmetrical supporting and two clamp arm, each supporting is respectively provided with first that bending extends, two sides, first side is hubbed on the principal axis bolt positioned at two side of the wheel and perpendicular to axletree, the guiding incline that wheel is moved closer to along wheel radial direction is respectively equipped on 2 second sides, and a countershaft portion vertically protruded out is equipped in guiding incline, two clamp arm are hubbed at respectively in second mate's axle portion, two clamp arm middle sections are respectively in connection with a brake shoes, when the one end of two clamp arm far from countershaft portion is close to each other, the two clamp arm other ends interlock two supportings in pivoting on principal axis bolt respectively, and two brake shoes is made to be in contact with rim of vehicle wheel friction, two clamp arm are interlocked using brake shoes to pivot along each guiding incline, further to force brake shoes packing rim of vehicle wheel.
Description
Technical field
Brake structure of the present invention in relation to being used for vehicle, chucking power can be increased automatically, promote whole stopper by referring in particular to one kind
The improved structure of brake of effect.
Background technique
Become known for the brake structure of bicycle, common C stops (C folder) and V brake (V folder) two kinds of types on such as current market
State, stopped with V for, be double fulcrum shaft dynamic formula brakes used in Wheel two sides, be equipped with a pair of of stopper arm, two stopper arms
It is utilized respectively the opposite vehicle frame pin being incorporated in positioned at bicycle quick two sides that is pivoted of a coupling unit, and in the lower end of two stopper arms
Inside each group is equipped with a brake block, and the top of two stopper arms is equipped with cable hanger, which drives control with messenger wire connection of braking
Two stopper arms；When operation, cable hanger is pulled using brake wire and drives two stopper arms using vehicle frame pin as axis beat, make to be located at two
The brake block of stopper arm lower end can use the action effect for generating brake braking, and braking with respect to clipping bicycle quick
After the completion of movement, using the torque spring being set between stopper arm and vehicle frame pin, two stopper arms can be allowed to be returned to initial bit
It sets.
In addition, common separately has the framework for making two stopper arms be assembled in bicycle respectively using two coupling units, two tug
Swing arm in being oppositely arranged and respectively provided an axis hole, two coupling unit respectively in connection in two stopper arms axis hole and respectively include
One axle sleeve, an elastic parts, a capping and a bolt；Wherein, which is arranged in the prominent corresponding stopper of the axis hole and front end
The front side of arm, which forms a sets of holes and form a circle outer diameter in rear end in axle center position supports ring and a connection greater than the axis hole
The countersink of the sets of holes；The elastic parts is sheathed on the axle sleeve front end and rear side clip is incorporated into corresponding stopper arm；The capping
It is arranged the front end for being resisted against the axle sleeve and in conjunction with the front side clip of the elastic parts, which has provided a perforation and be connected to one
The perforation and the countersink for being located at front end；The bolt is equipped with a bolt head to match with each countersink.
However, above-mentioned seen that the brake structure for bicycle is only capable of driving stopper arm to generate brake with brake cable merely
Generally speaking required clamping strength has no the design for further increasing brake strength, therefore whole stopper effect is with operation
The hand or wrist of person grabs, holds force and change, and can not increase brake chucking power automatically.
In view of having seen that brake structure has an above-mentioned shortcoming when using, inventor is for aforesaid drawbacks Improvement
Road, have generation of the present invention finally.
Summary of the invention
Present invention is primarily aimed at a kind of improved structure of brake is provided, can be generated by brake shoes clamping rim of vehicle wheel
Frictional force, allow clamp arm inwardly to pivot along guiding incline, make brake shoes more packing rim of vehicle wheel, increase brake when reaching brake automatically
Vehicle chucking power promotes the effect of whole stopper effect.
Another object of the present invention is to provide a kind of improved structure of brake, makes to stop using increased brake chucking power
Vehicle block forms closer clamping, can reach optimal braking effect.
To reach above-mentioned purpose and effect, improved structure of brake of the present invention are used for one wheel of clamping stopper comprising: two-phase
Mutual symmetrical supporting, each supporting are respectively equipped with one first side and one second side mutually bent, 2 first side
System is hubbed at respectively on the principal axis bolt positioned at two side of wheel and perpendicular to axletree, and is respectively equipped on each second side
One inclined guiding incline, each guiding incline system move closer to wheel along stopper direction, vertical in being respectively equipped with one on each guiding incline
The countershaft portion protruded out；Two clamp arm are hubbed at respectively in second mate's axle portion, in two clamp arm middle sections respectively in connection with a brake shoes, when two folders
Arm operated and with far from countershaft portion one end it is close to each other when, two clamp arm other end systems interlock two supportings in main shaft spiral shell respectively
It is pivoted on bolt, so that the wheel rim of two brake shoes clampings, one wheel forms stopper；Wherein, when two brake shoes are in contact with rim of vehicle wheel
When friction, each brake shoes can be driven by rim of vehicle wheel and interlock two clamp arm and pivot along each guiding incline, enable each clamp arm again to vehicle
It takes turns close, and makes the further packing rim of vehicle wheel of brake shoes.
In practical application, which can install respectively is incorporated on the vehicle frame of wheel two sides, can also be mounted on one
The both ends of frame, and it is bound to vehicle frame via bracket installation, so that each clamp arm is located at two side of wheel.
According to above structure, wherein principal axis bolt installation is incorporated into two ends of a U-bracket, which prolongs
It stretches in two side of wheel and is respectively equipped with a portions, in being respectively equipped with a screw hole in each portions, and each principal axis bolt is equipped with and screws togather
External thread part in each screw hole.
According to above structure, wherein 2 first side links one first elastic parts respectively, utilizes the 2 first elastic group
Part makes the elasticity of two supportings holding reply initial position.
According to above structure, a collar bush wherein is respectively equipped between the two principal axis bolts peripheral side and the first elastic parts.
According to above structure, wherein 2 first elastic parts peripheral sides cover unification jacket respectively, and each shell covers in direction
The side of first side is equipped with a capping.
According to above structure, wherein two clamp arm links one second elastic parts respectively, is made using 2 second elastic parts
Two clamp arm keep replying the elasticity of initial position.
According to above structure, a countershaft set is wherein respectively equipped between second mate's axle portion peripheral side and the second elastic parts.
According to above structure, wherein 2 second elastic parts peripheral sides cover unification jacket respectively, and each shell covers in direction
The side of second side is equipped with a capping.
According to above structure, wherein the angle between the guiding incline of the supporting and wheel diametric plane is preferable with 5 ~ 20 degree.
According to above structure, wherein the supporting is equipped with a planar portions in middle section, which is vertically installed in respectively
It two adjacent edge sides of the planar portions and mutually opposing protrudes out.
According to above structure, wherein second side be set to planar portions close to wheel a side.
According to above structure, wherein second side is set to a side of the planar portions far from wheel.
The supporting of two bending formings is hubbed at two side of wheel respectively with an avris by the present invention, each supporting it is another
Avris is equipped with the guiding incline tapered towards vehicle wheel rotation direction spacing, in being respectively equipped with a vertical countershaft portion on each guiding incline,
Two clamp arm are hubbed in each countershaft portion with one end respectively separately, are against when two clamp arm are operated with the fixed brake shoes folder in middle section
When rim of vehicle wheel carries out first stage brake, using the frictional force between the brake shoes and rim of vehicle wheel, two can be driven again
Clamp arm is pivoted centered on countershaft portion, and makes two clamp arm and brake shoes using the guiding of guiding incline during pivot
More approaching rim of vehicle wheel and carry out second stage brake, increase brake chucking power to reach automatic, promote whole stopper effect
The effect of fruit.
The present invention can make two clamp arm further be packed in rim of vehicle wheel during second stage brake, therefore work as
Brake shoes and rim of vehicle wheel contact surface are not smooth, or when brake chucking power road deficiency, also clamp using increased brake
Power and form even closer clamping, to reach optimal braking effect.
More specifically understand to can get above-mentioned purpose of the invention, effect and feature, it is as follows according to each Detailed description of the invention.
Detailed description of the invention
Fig. 1 is the entire combination outside drawing of first embodiment of the invention.
Fig. 2 be first embodiment of the invention supporting respectively with clamp arm, bracket group connecting part position structural exploded view.
Fig. 3 be first embodiment of the invention supporting respectively with clamp arm, bracket group connecting part position part constitutional diagram.
Fig. 4 is the entire combination front plan view of first embodiment of the invention.
Fig. 5 is the entire combination face upwarding view of first embodiment of the invention.
Fig. 6 is the operational motion schematic diagram (one) of first embodiment of the invention.
Fig. 7 is the operational motion schematic diagram (two) of first embodiment of the invention.
Fig. 8 is the entire combination outside drawing of second embodiment of the invention.
Fig. 9 be second embodiment of the invention supporting respectively with clamp arm, bracket group connecting part position structural exploded view.
Figure 10 is the entire combination front plan view of second embodiment of the invention.
Figure 11 is the operational motion schematic diagram (one) of second embodiment of the invention.
Figure 12 is the operational motion schematic diagram (two) of second embodiment of the invention.
Figure 13 is the entire combination outside drawing of third embodiment of the invention.
Figure 14 be third embodiment of the invention supporting respectively with clamp arm, bracket group connecting part position structural exploded view.
Figure 15 is the entire combination front plan view of third embodiment of the invention.
Figure 16 is the operational motion schematic diagram (one) of third embodiment of the invention.
Figure 17 is the operational motion schematic diagram (two) of third embodiment of the invention.
Symbol description:
1,10 principal axis bolt；
11 external screw threads；
2,20,2a, 20a, 2b, 20b supporting；
21, the first side 21a, 21b；
211,211a, 211b medium pore；
212, the side 212a, 212b jack；
22, the second side 22a, 22b；
221,221a, 221b guiding incline；
222, the side 222a, 222b jack；
23,23a, 23b countershaft portion；
231,231a, 231b screw hole；
24a, 24b planar portions；
73,75a countershaft set；
7, the second elastic parts of 7a；
71,72,61,62, the end 71a, 72a；
64,73a is covered；
731,641,631,731a, 741a medium pore；
732,642,632,732a, 742a side opening；
6 first elastic parts；
3,30,3a, 30a, 3b, 30b clamp arm；
31,31a, 31b are pivotally connected axis hole；
311, the end 311b recess portion；
32,32a, 32b countershaft bolt；
33,33a, 33b long slot hole；
34a block flange；
4,40 bracket；
41, the portions of 41a, 401,410；
411,404 screw hole；
412,402 shrinkage pool；
403 protruding shafts；
63,74a jacket；
65 collar bushes；
5,50 brake shoes；
500 brake cables；
9 rim of vehicle wheels；
A vehicle wheel rotation direction；
B supporting is in pivotal orientation on principal axis bolt；
C brake shoes contacts frictional direction with rim of vehicle wheel for the first time；
D brake shoes is driven micro-shifting direction by rim of vehicle wheel；
E, E ', E " clamp arm in countershaft portion along guiding incline pivotal orientation；
F brake shoes contacts frictional direction with rim of vehicle wheel for the second time.
Specific embodiment
It please refers to shown in Fig. 1 to Fig. 5, it is known that first embodiment of the invention is by taking the aspect of bicycle as an example, primary structure packet
It includes: the parts such as two principal axis bolts, 1,10, two supporting 2,20 and two clamp arm 3,30；Wherein the principal axis bolt 1 is equipped with outer in one end
Screw thread 11；In the present embodiment, it is additionally provided with a bracket 4 for being fixed on U-shaped on cycle frame, which extends
Two side of wheel is simultaneously respectively equipped with identical portions 41,41a, in portions 41 be equipped with one perpendicular to axletree screw hole 411, and in
411 side of screw hole is equipped with an at least shrinkage pool 412, and each principal axis bolt 1 is screwed together in each screw hole 411 with external screw thread 11, can make to lead
Axle bolt 1 is incorporated into portions 41 with the direction perpendicular to axletree.
The principal axis bolt 10 is identical as 1 structure of principal axis bolt, and can be incorporated into the same manner on portions 41a.
The supporting 2 has one first side 21 and one second side 22 of L shape bending, sets on first side 21
Have a medium pore 211, be equipped with most sides jacks 212 in 211 side of medium pore, the medium pore 211 can pivot be placed on the main shaft spiral shell
On bolt 1, and one first elastic parts 6 is equipped between the first side 21 and portions 41, first elastic parts 6 is in two end parts
Not She You end 61,62, which protrudes into the shrinkage pool 412 of portions 41, and wherein the one of the first side 21 is protruded into end 62
In side jack 212, it is deformed using 6 stress of the first elastic parts and the supporting 2 can be made to have reply after a pivot first
The elasticity of beginning position.
In a feasible embodiment, it can be arranged a collar bush 65 in 1 peripheral side of principal axis bolt, and in first bullet
Property 6 peripheral side of component can be arranged a jacket 63, which has a medium pore 631 passed through for collar bush 65 and one supplies
The side opening 632 that the end 61 passes through, and the side of the jacket 63 towards the first side 21 is equipped with a capping 64, the capping 64 tool
There are a medium pore 641 passed through for the collar bush 65 and the side opening 642 that passes through for end 62, makes the principal axis bolt 1 and first
Elastic parts 6 is able to be protected by perfect covering, and the principal axis bolt 1 and the first side 21 will not be with during pivot
First elastic parts 6 generates friction and is lost.
Second side 22 is equipped with an inclined guiding incline 221, which moves closer to wheel along stopper direction
(that is, moving closer to wheel towards the direction far from the first side 21) is equipped with a countershaft portion vertically protruded out in guiding incline 221
23, it is equipped with a screw hole 231 in 23 end face of countershaft portion, and be equipped with most sides jack 222 in 23 side of countershaft portion.
The supporting 20 and supporting 2 symmetrically, and are pivotally connected are incorporated on the principal axis bolt 10 in the same manner.
3 middle section of clamp arm is equipped with one for combining the long slot hole 33 of brake shoes 5, and has provided one in 3 one end of clamp arm and can cover
It is screwed into the screw hole 231 together in the pivot joint axis hole 31 in countershaft portion 23, and using a countershaft bolt 32, clamp arm 3 can be prevented outside
It loosens；Be equipped at least one end recess portion 311 in the side periphery of the pivot joint axis hole 31 close to the guiding incline 221, and in the clamp arm 3 with
One second elastic parts 7 is equipped between guiding incline 221, which is respectively equipped with end 71,72 in two ends, should
End 71 is protruded on guiding incline 221 in wherein side jack 222, and end 72 utilizes second bullet then in inserting end recess portion 311
Property 7 stress of component be deformed and can make the clamp arm 3 have one pivot after reply initial position elasticity.
In a feasible embodiment, in the countershaft portion, 23 peripheral side can be arranged countershaft set 73,73 tool of countershaft set
The side opening 732 that the medium pore 731 and one for having the confession countershaft portion 23 to pass through pass through for end 71, by 73 barrier of countershaft set
Between the second elastic parts 7 and countershaft portion 23, the frictional dissipation of two component can be effectively prevent.
The clamp arm 30 and the basic structure having the same of clamp arm 3, and pivot joint is incorporated on supporting 20 in the same manner.
Two clamp arm 3,30 is linked to a brake cable 500 far from one end of supporting 2,20, can be connected using the brake cable 500
Dynamic two clamp arm 3,30 are close to each other.
Please refer to Fig. 6, shown in 7, it is known that first embodiment of the invention is when operation, when wheel passes through in direction of Arrow A
Between two brake shoes 5,50, and two clamp arm 3,30 one end by brake cable 500 interlock and it is close to each other when, two clamp arm 3,30 other ends
Interlock respectively two supportings 2,20 on principal axis bolt 1,10 (in the direction of arrow B) pivot, meanwhile, two brake shoes 5,50 are with arrow
The direction of head C is in contact friction with rim of vehicle wheel 9.
In above-mentioned contact friction process, two brake shoes 5,50 are driven and micro-shifting one in the direction of arrow D by rim of vehicle wheel 9
Short distance, while two clamp arm 3,30 can be interlocked in pivoting in the direction of arrow E on each guiding incline 221 in each countershaft portion 23；It should
The component that the displacement that two clamp arm 3,30 generate after pivoting on each guiding incline 221 can produce one perpendicular to the direction arrow A, makes two brakes
Vehicle block 5,50 can one short distance of micro-shifting and packing rim of vehicle wheel 9 again in the direction of arrow F, to reach further brake stopper effect
Fruit.
In above structure of the present invention, angle between the guiding incline 221 and wheel diametric plane of the supporting 2 with 5 ~ 20 degree for compared with
Good (supporting 20 is also same)；And the principal axis bolt 1,10 in addition to can be combined in the portions 41 of bracket 4,41a it is upper other than, can also save
The slightly bracket 4, and the principal axis bolt 1,10 is mounted directly and is incorporated on cycle frame, it all can reach identical promotion brake
Stopper effect.
Please refer to shown in Fig. 8 to Figure 10, it is known that the primary structure of second embodiment of the invention include: two supporting 2a,
The parts such as 20a, two clamp arm 3a, 30a, and two principal axis bolt 1,10 identical with aforementioned first embodiment；The wherein main shaft spiral shell
Bolt 1,10 can be individually fixed in on the portions 41 of aforementioned first embodiment same supports 4,41a.
Supporting 2a has a planar portions 24a in middle section, is respectively equipped with vertically in the two adjacent edge sides of planar portions 24a
The one first side 21a and one second side 22a in planar portions 24a and reversely protruded out is equipped in one in the first side 21a
Central aperture 211a, in the side medium pore 211a be equipped with majority side jack 212a, medium pore 211a can pivot be placed on the principal axis bolt 1
On, and first elastic parts 6 identical with aforementioned first embodiment is equipped between the first side 21a and portions 41, this
One elastic parts 6 is respectively equipped with end 61,62 in two ends, which protrudes into the shrinkage pool 412 of portions 41, and end 62 is stretched
Enter in the wherein side jack 212a of the first side 21a, be deformed using 6 stress of the first elastic parts and the undertaking can be made
Part 2a has the elasticity of reply initial position after a pivot.
Identically as aforementioned first embodiment, it can be arranged one respectively in the principal axis bolt 1 and 6 peripheral side of the first elastic parts
Collar bush 65, a jacket 63 and capping 64, enable the principal axis bolt 1 and the first elastic parts 6 to be protected by perfect covering
Shield.
Second side 22a is set to planar portions 24a close to a side of wheel, in the second side 22a far from wheel
Side is equipped with a guiding incline 221a, and guiding incline 221a moves closer to wheel along stopper direction (in contrast to vehicle wheel rotation direction),
It is equipped with a countershaft portion 23a vertically protruded out in guiding incline 221a, in the countershaft portion end face 23a equipped with a screw hole 231a, and in
The countershaft portion side 23a is equipped with majority side jack 222a.
Supporting 20a and supporting 2a are symmetrical, and pivot joint is incorporated on the principal axis bolt 10 in the same manner.
The middle section clamp arm 3a is equipped with one for the long slot hole 33a of combination brake shoes 5, and having provided one in clamp arm 3a one end can
The pivot joint axis hole 31a being sleeved on countershaft portion 23a, and be screwed into screw hole 231a using a countershaft bolt 32a, clamp arm can be prevented
3a is loosened outward；In the pivot joint axis hole 31a close to the side outer peripheral edge of guiding incline 221a equipped with a block flange 34a, and in
One second elastic parts 7a is equipped between clamp arm 3a and guiding incline 221a, bis- end second elastic parts 7a is respectively equipped with end
71a, 72a, end 71a is protruded on guiding incline 221a in wherein side jack 222a, and end 72a then can be in pivoting process
Contradict block flange 34a, using the second elastic parts 7a stress be deformed and can make clamp arm 3a have one pivot after
Reply the elasticity of initial position.
In a feasible embodiment, in the countershaft portion peripheral side 23a can be arranged a countershaft set 75a, and in this second
The peripheral side elastic parts 7a can be arranged a jacket 74a, and jacket 74a has a medium pore passed through for countershaft set 75a
The side opening 742a that 741a and one passes through for end 71a, and jacket 74a is equipped with an envelope far from the side of the second side 22a
73a is covered, capping 73a has a side opening passed through for the countershaft set 75a medium pore 731a and one passed through for end 72a
732a enables the countershaft portion 23a and the second elastic parts 7a to be protected by perfect covering.
Clamp arm 30a and clamp arm 3a basic structure having the same, and pivot joint is incorporated into supporting 20a in the same manner
On.
Please refer to shown in Figure 11, Figure 12, it is known that second embodiment of the invention in operation when, when wheel in direction of Arrow A
By between two brake shoes 5,50, and two clamp arm 3a, 30a one end stress and it is close to each other when, two clamp arm 3a, the 30a other ends point
Do not interlock two supporting 2a, 20a on principal axis bolt 1,10 (in the direction of arrow B) pivot, meanwhile, two brake shoes 5,50 are with arrow
The direction of head C is in contact friction with rim of vehicle wheel 9.
In above-mentioned contact friction process, two brake shoes 5,50 are driven and micro-shifting one in the direction of arrow D by rim of vehicle wheel 9
Short distance, at the same can interlock two clamp arm 3a, 30a on each countershaft portion 23a along the direction of arrow E ' in pivot on each guiding incline 221a
Turn；The displacement that two clamp arm 3a, 30a generates after pivoting on each guiding incline 221a can produce dividing perpendicular to the direction arrow A
Amount, make two brake shoes 5,50 can one short distance of micro-shifting and packing rim of vehicle wheel 9 again in the direction of arrow F, to reach further
Brake stopper effect.
In above structure of the present invention, angle between the guiding incline 221a of supporting 2a and the first side 21a with 95 ~
110 degree are preferable (supporting 20a is also same).
Please refer to shown in Figure 13 to Figure 15, it is known that the primary structure of third embodiment of the invention include: two supporting 2b,
The parts such as 20b, two clamp arm 3b, 30b, and two principal axis bolt 1,10 identical with aforementioned first embodiment；The wherein main shaft spiral shell
Bolt 1 is equipped with external screw thread 11 in one end；In the present embodiment, it is additionally provided with a bracket 40 for being fixed on U-shaped on cycle frame, it should
40 2 end of bracket extends two side of wheel and is respectively equipped with identical portions 401,410, in portions 401 be equipped with one perpendicular to
The protruding shaft 403 of axletree is equipped with a screw hole 404 in 403 end face of protruding shaft, and is equipped with an at least shrinkage pool in 403 side of protruding shaft
402, each principal axis bolt 1 is screwed together in each screw hole 404 with external thread part 11, principal axis bolt 1 can be made perpendicular to axletree
Direction is incorporated into portions 401.
The principal axis bolt 10 is identical as 1 structure of principal axis bolt, and can be incorporated into the same manner in portions 410.
Supporting 2b has a planar portions 24b in middle section, is respectively equipped with vertically in the two adjacent edge sides of planar portions 24b
The one first side 21b and one second side 22b in planar portions 24b and reversely protruded out is equipped in one in the first side 21b
Central aperture 211b, in the side medium pore 211b be equipped with majority side jack 212b, medium pore 211b can pivot be placed on the principal axis bolt 1
In (or protruding shaft 403), and first bullet identical with aforementioned first embodiment is equipped between the first side 21b and portions 401
Property component 6, first elastic parts 6 are respectively equipped with end 61,62 in two ends, which protrudes into the shrinkage pool 402 of portions 401
It is interior, and end 62 is protruded into the wherein side jack 212b of the first side 21b, generates change using 6 stress of the first elastic parts
Shape and can make supporting 2b have one pivot after reply initial position elasticity.
Identically as aforementioned first embodiment, it can be arranged one respectively in the principal axis bolt 1 and 6 peripheral side of the first elastic parts
Collar bush 65, a jacket 63 and capping 64, enable the principal axis bolt 1 and the first elastic parts 6 to be protected by perfect covering
Shield.
Second side 22b is set to a side of the planar portions 24b far from wheel, in the second side 22b close to wheel
Side is equipped with guiding incline 221b, and guiding incline 221b moves closer to wheel along stopper direction (in contrast to vehicle wheel rotation direction), in
Guiding incline 221b is equipped with a countershaft portion 23b vertically protruded out, is equipped with a screw hole 231b in the countershaft portion end face 23b, and in pair
The side axle portion 23b is equipped with majority side jack 222b.
Supporting 20b and supporting 2b are symmetrical, and pivot joint is incorporated on the principal axis bolt 10 in the same manner.
The middle section clamp arm 3b is equipped with one for the long slot hole 33b of combination brake shoes 5, and having provided one in clamp arm 3b one end can
The pivot joint axis hole 31b being sleeved on countershaft portion 23b, and be screwed into screw hole 231b using a countershaft bolt 32b, clamp arm can be prevented
3b is loosened outward；In the pivot joint axis hole 31b close to guiding incline 221b side periphery be equipped at least one end recess portion 311b, and in
A second elastic parts 7a identical with aforementioned second embodiment is equipped between clamp arm 3b and guiding incline 221b, second elasticity
Component 7a is respectively equipped with end 71a, 72a in two ends, and end 71a system protrudes on guiding incline 221b wherein side jack 222b
It is interior, and end 72a can then be protruded into the recess portion 311b of the end, be deformed using the second elastic parts 7a stress and can be made the folder
Arm 3b has the elasticity of reply initial position after a pivot.
In a feasible embodiment, in countershaft portion 23b, the second peripheral side elastic parts 7a can be arranged respectively one with
The identical countershaft set 75a of aforementioned second embodiment, jacket 74a and capping 73a, make the countershaft portion 23b and the second elastic parts
7a is able to be protected by perfect covering.
Clamp arm 30b and clamp arm 3b basic structure having the same, and pivot joint is incorporated into supporting 20b in the same manner
On.
Please refer to shown in Figure 16, Figure 17, it is known that third embodiment of the invention in operation when, when wheel in direction of Arrow A
By between two brake shoes 5,50, and two clamp arm 3a, 30a one end stress and it is close to each other when, two clamp arm 3a, the 30a other ends point
Do not interlock two supporting 2a, 20a on principal axis bolt 1,10 (in the direction of arrow B) pivot, meanwhile, two brake shoes 5,50 are with arrow
The direction of head C is in contact friction with rim of vehicle wheel 9.
In above-mentioned contact friction process, two brake shoes 5,50 are driven and micro-shifting one in the direction of arrow D by rim of vehicle wheel 9
Short distance, at the same can interlock two clamp arm 3b, 30b on each countershaft portion 23b along the direction of arrow E " in pivot on each guiding incline 221b
Turn；The displacement that two clamp arm 3b, 30b generates after pivoting on each guiding incline 221b can produce dividing perpendicular to the direction arrow A
Amount, make two brake shoes 5,50 can one short distance of micro-shifting and packing rim of vehicle wheel 9 again in the direction of arrow F, to reach further
Brake stopper effect.
In above structure of the present invention, angle between the guiding incline 221b of supporting 2b and the first side 21b with 95 ~
110 degree are preferable (supporting 20b is also same).
In summary, improved structure of brake of the invention really may achieve automatic increase chucking power, promote whole stopper
The effect of effect, actually patent of invention is filed an application in a novel and progressive invention of tool, whence in accordance with the law；The present invention takes off implementation
Though example by taking bicycle framework as an example, brake structure specifically can application form should not be as limit, only above explained content, only
Illustrate for presently preferred embodiments of the present invention, technological means under this invention and scope are extended such as variation, modification, change or
Equivalent replacement person also should all fall into patent claim of the invention.
Claims (10)
1. a kind of improved structure of brake is respectively equipped with a brake shoes in two clamp arm including at least two symmetrical clamp arm, to
The wheel rim of one wheel of clamping forms stopper, it is characterised in that:
Two mutually symmetrical supportings are respectively equipped with one first side and one second side mutually bent, each first side difference
It is hubbed at positioned at two side of wheel and perpendicular on the principal axis bolt of axletree, and it is inclined to be respectively equipped with one on each second side
Guiding incline, each guiding incline move closer to wheel along stopper direction, and in being respectively equipped with a countershaft vertically protruded out on each guiding incline
Portion；
Two clamp arm are hubbed at respectively in second mate's axle portion, in two clamp arm middle sections respectively in connection with the brake shoes, when two clamp arm are operated
And when close to each other with one end far from countershaft portion, the two clamp arm other ends interlock two supportings in pivoting on principal axis bolt respectively,
So that the wheel rim of wheel described in two brake shoes clampings forms stopper；
When two brake shoes are in contact with the wheel rim of the wheel to rub, each brake shoes can be driven by the wheel rim of the wheel, into
And interlock two clamp arm and pivoted along each guiding incline, keep each clamp arm close to the wheel again, and make the further packing of brake shoes
Rim of vehicle wheel.
2. improved structure of brake as described in claim 1, which is characterized in that principal axis bolt installation is incorporated into a U-bracket
Two ends, which extends two side of wheel and is respectively equipped with a portions, in being respectively equipped with a screw hole in each portions,
And each principal axis bolt is equipped with the external thread part being screwed together in each screw hole.
3. improved structure of brake as described in claim 1, which is characterized in that 2 first sides link one first elastic group respectively
Part makes the elasticity of two supportings holding reply initial position using 2 first elastic parts.
4. improved structure of brake as claimed in claim 3, which is characterized in that two principal axis bolt peripheral sides and the first elastic parts
Between be respectively equipped with a collar bush, and each first elastic parts peripheral side covers unification jacket respectively, and each shell is covered in towards the
The side of one side is equipped with a capping.
5. improved structure of brake as described in claim 1, which is characterized in that two clamp arm links one second elastic group respectively
Part makes the elasticity of two clamp arm holding reply initial position using 2 second elastic parts.
6. improved structure of brake as claimed in claim 5, which is characterized in that second mate's axle portion peripheral side and the second elastic parts it
Between be respectively equipped with a countershaft set, and each second elastic parts peripheral side covers unification jacket respectively, and each shell is covered in towards second
The side of side is equipped with a capping.
7. improved structure of brake as described in claim 1, which is characterized in that between the guiding incline and wheel diametric plane of the supporting
Angle between 5 ~ 20 degree.
8. improved structure of brake as described in claim 1, which is characterized in that the supporting is equipped with a planar portions in middle section, should
First and second side is vertically installed in two adjacent edge sides of the planar portions respectively and mutually opposing protrudes out.
9. improved structure of brake as claimed in claim 8, which is characterized in that second side is set to planar portions close to wheel
A side.
10. improved structure of brake as claimed in claim 8, which is characterized in that second side is set to planar portions far from vehicle
One side of wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610592026.9A CN107651088B (en) | 2016-07-26 | 2016-07-26 | Improved structure of brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610592026.9A CN107651088B (en) | 2016-07-26 | 2016-07-26 | Improved structure of brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107651088A CN107651088A (en) | 2018-02-02 |
| CN107651088B true CN107651088B (en) | 2019-11-12 |
Family
ID=61126247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610592026.9A Active CN107651088B (en) | 2016-07-26 | 2016-07-26 | Improved structure of brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107651088B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2294914Y (en) * | 1997-04-22 | 1998-10-21 | 薛金永 | Brake pad for bicycle |
| CN103448853A (en) * | 2012-06-05 | 2013-12-18 | 张小红 | Thin double-side disc brake |
| CN203528723U (en) * | 2013-11-06 | 2014-04-09 | 黄国政 | Braking device for bicycle machinery disc brake |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8151945B2 (en) * | 2010-05-25 | 2012-04-10 | Tektro Technology Corporation | Bicycle brake with a mechanism for quickly loosening brake cable |
| US8651245B1 (en) * | 2012-08-09 | 2014-02-18 | Tektro Technology Corporation | Bicycle brake unit |
-
2016
- 2016-07-26 CN CN201610592026.9A patent/CN107651088B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2294914Y (en) * | 1997-04-22 | 1998-10-21 | 薛金永 | Brake pad for bicycle |
| CN103448853A (en) * | 2012-06-05 | 2013-12-18 | 张小红 | Thin double-side disc brake |
| CN203528723U (en) * | 2013-11-06 | 2014-04-09 | 黄国政 | Braking device for bicycle machinery disc brake |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107651088A (en) | 2018-02-02 |
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