CN2250303Y - Front-push brake - Google Patents
Front-push brake Download PDFInfo
- Publication number
- CN2250303Y CN2250303Y CN96201563U CN96201563U CN2250303Y CN 2250303 Y CN2250303 Y CN 2250303Y CN 96201563 U CN96201563 U CN 96201563U CN 96201563 U CN96201563 U CN 96201563U CN 2250303 Y CN2250303 Y CN 2250303Y
- Authority
- CN
- China
- Prior art keywords
- driving
- hole
- screw
- brake
- hub
- 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
Links
- 239000002245 particle Substances 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L5/00—Brakes, or actuating mechanisms therefor, controlled by back-pedalling
- B62L5/02—Brakes, or actuating mechanisms therefor, controlled by back-pedalling the brakes being actuated through coacting coaxial cones located in the rear wheel hub
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- 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
- F16D65/02—Braking members; Mounting thereof
- F16D2065/024—Braking members; Mounting thereof the braking surface being inclined with respect to the rotor's axis of rotation at an angle other than 90 degrees, e.g. comprising a conical rotor
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- 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
- F16D2125/18—Mechanical mechanisms
- F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
- F16D2125/34—Mechanical mechanisms converting rotation to linear movement or vice versa acting in the direction of the axis of rotation
- F16D2125/40—Screw-and-nut
-
- 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
- F16D2125/18—Mechanical mechanisms
- F16D2125/58—Mechanical mechanisms transmitting linear movement
- F16D2125/60—Cables or chains, e.g. Bowden cables
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The utility model relates to a forward pushing brake, which is an overall pressing brake in a forward pushing driving mode. The utility model mainly comprises a flow hub, a driving part, a braking part, a resetting part and a fixed cover. The driving part is composed of a driving screw rod, a bearing, an adjusting nut and a driving spanner. The braking part is composed of a braking block and a positioning board. The resetting part is composed of a resetting spring and a torsion spring. The driving spanner of the driving part is pulled by a braking wire to enable the driving screw rod to drive the braking block of the braking part to be forward contacted into a conical groove in the flow hub along the position guiding rod of the positioning board to enable the braking block and the groove to be in the tightly forcing state to complete the braking operation.
Description
The utility model relates to a preceding pushing-type brake ware, it is mainly a preceding pushing-type drive mode and the complete urgent brake ware, drives the brake block by the drive screw and supports into the inside toper recess of wheel colored hub along the guide pole of locating plate forward, makes brake block and recess become the complete urgent state, accomplishes the brake action from this.
Referring to fig. 1, a conventional brake structure of a drum brake is shown, which is mainly to sleeve a drum brake structure into a hub axle hole of a bicycle, the hub brake is mainly characterized in that one ends of two brake pads 51 are pivoted with each other, the other end is in an open state, and the hub brake is clamped by a rectangular expanding plate 53 integrated with a movable plate 52, when a brake cable pulls the movable plate 52 to rotate the expanding plate 53, the pivoted end is used as an axle center to open the two brake pads 51 to generate friction with the hub axle hole wall, so that the hub is blocked to stop rotating, and two spring bodies 54 are used to achieve a recovery state, thereby completing the whole brake process; however, this structure has the following two disadvantages:
1. the two brake pads 51 are pivoted at one end, and the other end expands outwards to press against the annular surface of the axle hole of the hub to achieve the braking action, so that the contact part of the brake pads 51 and the annular surface of the axle hole of the hub is only shown as a solid line in fig. 1, and the expanded outwards end makes local contact (namely, the contact is equal to that of a semi-circumferential surface) with the hub, so that the contact area of the brake pads 51 and the hub is too small when the hub is braked, and the braking effect is poor.
2. The two brake pads 51 are expanded by the expanding plate 53 to expand the two brake pads 51 outwards like a drum to perform braking action, and one end of the brake pad 51, which is locally contacted with the hub, is worn and thinned, while the expanding plate 53 is not changed and a rider does not pay attention to maintenance, when braking is very easy to occur, the brake pad 51 cannot abut against the hole wall of the hub shaft, so that the unfortunate event of brake failure or even failure is caused, and the safety concern of the rider is very large.
The utility model discloses a main purpose, the brake ware that pushes away the drive mode before the design one and compel comprehensively, by the drive screw brake block along the guide bar of locating plate toward the inside toper recess of advancing the colored hub, make brake block and recess become to compel tight state, because of the brake block is the contact of preceding drive and whole anchor ring and recess, make the brake effort strong.
Another objective of the present invention is to provide a brake with high braking sensitivity, which can shorten the braking stroke of the brake block by the forward screw of the adjusting nut after the groove of the brake block and the hub is worn to a certain extent, so that the brake block can be rapidly tightened with the groove of the hub to improve the braking sensitivity.
The utility model relates to a front push brake, which mainly comprises a hub, a driving part, a braking part, a return part and a fixed cover; it is characterized in that the preparation method is characterized in that,
the driving part consists of a driving screw, a bearing, an adjusting nut and a driving wrench;
the hub is characterized in that a round hole penetrates through the shaft end, a screw rod is sleeved in the round hole, and a conical groove is formed in one end of the hub and is used for a conical brake block to abut against;
the driving screw is in a threaded body in a screw hole of the brake block, a round hole is formed in the center of the driving screw, a center hole is formed in the screw head, a bearing is placed in the center hole, and a plurality of clamping grooves are formed in the outer ring surface of the screw head and used for clamping convex particles of a driving wrench;
the adjusting screw cap is positioned in the central hole of the driving screw rod, a through screw hole is formed in the center of the adjusting screw cap, and a flange is arranged on the outer ring surface and is abutted against the bearing;
one end of the driving wrench is provided with a through hole, the inner ring surface is provided with a plurality of convex particles which can be buckled on the clamping groove of the driving screw rod, and the other end of the driving wrench is provided with a round hole for locking the brake cable.
The brake part consists of a brake block and a positioning plate; wherein,
the brake block is positioned in the conical groove of the hub and is a ring body with a taper, the taper of the brake block is just the same as that of the conical groove of the hub, a screw hole is arranged in the center, and a plurality of guide holes are arranged beside the screw hole;
the positioning plate is plate-shaped, one end of the positioning plate is provided with a through hole, and round holes and a plurality of guide rods are arranged beside the through hole;
the restoring part comprises a torsion spring and a restoring spring; wherein,
the torsion spring is provided with a hook body at two ends so as to lean against two ends of the driving wrench;
the return spring penetrates through the screw rod and is arranged in the conical groove of the hub, and the return spring is fixed on the screw rod through a positioning nut;
the fixing cover is provided with a convex surface at the center, a central hole is arranged at the center of the convex surface for being sleeved in the shaft lever, and a plurality of round holes are arranged at the periphery.
The forward-push brake is characterized in that the driving screw is a double-thread body.
The forward-pushing brake is characterized in that the screw hole in the center of the brake block is a screw hole with double threads.
For further understanding of the present invention, the features are described in detail below with reference to the accompanying drawings and examples:
description of the drawings:
fig. 1 is a schematic diagram of the operation of a conventional brake.
Fig. 2 is an exploded perspective view of the present invention.
Fig. 3 is a perspective combination view of the present invention.
Fig. 4 is a plane sectional view after the brake of the utility model.
Fig. 5 is a schematic view of the local amplification operation of the present invention.
Fig. 6 is a diagram of the device of the present invention.
Referring to fig. 2, 3 and 6, the structure and assembly condition of the present invention can be clearly understood, the present invention mainly utilizes the brake block to push and tighten the inside of the hub, so that the hub can not rotate continuously, and the brake effect is achieved; it mainly comprises a hub 30, a driving part, a braking part, a restoring part and a fixing cover 40; the driving part is composed of a driving screw 21, a bearing 22, an adjusting nut 23, and a driving wrench 24; wherein, the hub 30 is formed by penetrating a round hole at the end of a shaft, a screw 31 is sleeved in the round hole, and a conical groove 301 is formed at one end of the round hole, so that a brake block 10 with the same taper as the conical groove 301 of the hub can be pushed in; the driving screw 21 is a double-screw body, a round hole is arranged on the axis, a central hole 212 is arranged on the screw head 211 for the bearing 22 to be sleeved in so as to facilitate the rotation of the driving screw 21 and fix the driving screw 21, so that the driving screw cannot shake left and right, and a plurality of clamping grooves 2111 are arranged on the outer annular surface of the screw head 211 for the convex particles 242 of the driving wrench 24 to be clamped on; the adjusting nut 23 is located in the center hole 212 of the driving screw 21, and has a through screw hole 231 in the center, and a flange 232 is provided on the outer circumferential surface, one end of which is sleeved in the center hole 212 of the driving screw 21, and the other end of which is exposed outside the bearing by abutting against the bearing 22 with the flange 232; the driving wrench 24 has a through hole 241 at one end, a plurality of protruding particles 242 on the inner ring surface for being fastened on the fastening slot 2111 of the driving screw 21, and a circular hole 243 at the other end for locking a brake cable; the restoring portion comprises a torsion spring 25 and a restoring spring 32, the torsion spring is provided with a hook 251 at each end for pressing against the driving wrench 24; the return spring 32 passes through the screw 31 and is arranged in the conical groove 301 of the hub 30, and the return spring 32 is fixed on the screw 31 by a positioning nut 33;
the brake part comprises a brake block 10 and a positioning plate 14; the brake block 10 is a cone with taper, the taper is exactly the same as the taper of the tapered recess 301 of the hub 30, make the brake block 10 can be pushed into the recess 301, present the packing state with the recess, set up a screw hole 101 with double screw thread in the centre of a circle of the brake block 10, for the drive screw 21 is screwed in, set up three guide holes 102 beside the screw hole 101, the guide hole can translate on the guide rod 142 of the locating plate 14; the positioning plate 14 is a plate, and has a through hole 141 at one end, four round holes 143 and three guiding rods 142 are disposed beside the through hole 141, and the guiding rods 142 can be used for the guiding holes 102 of the brake block 10 to move horizontally thereon; a fixing cover 402 for covering the screw 31, and four round holes 403 are formed around the fixing cover for the screws 60 to be locked on the round holes 143 of the positioning plate 14;
referring to fig. 4 and 5, the assembly and operation method includes respectively adjusting the nut 23, sleeving the nut 23 and the bearing 22 in the central hole 212 of the driving screw 21, inserting the guide rod 142 of the positioning plate 14 into the guide hole 10 of the brake block 10, fastening the protruding particles 242 on the driving wrench 24 to the slots 2111 of the driving screw 21, abutting the hook 251 of the torsion spring 25 against the two ends of the driving wrench 24, placing a washer 26 thereon, sleeving the fixing cover 40, and fastening the fixing cover to the circular hole 143 of the positioning plate 14 by the positioning screw 60 passing through the circular hole 403 of the fixing cover, thereby completing the assembly of the front-push brake, wherein in the assembled structure, the brake cable is fixed to the circular hole 243 of the driving wrench 24;
when braking, when the brake cable pulls the driving wrench 24, at this time, because the driving screw 21 and the brake block 10 are in a screw locking state and the two are pressed by the adjusting nut 23, the driving screw 21 will not move backwards, so that the stroke between the driving screw 21 and the brake block 10 is fixed, when the torsion spring 25 contacting the side of the driving wrench 24 is twisted and deformed, the driving bolt 21 locked inside the screw hole 101 of the brake block 10 drives the brake block 10 to push forwards to the conical groove 301 of the hub 30 along the guide rod 142 of the positioning plate 14 by twice of the thread stroke by virtue of a reverse screw locking principle, so that the return spring 32 inside the groove is extruded and deformed, the brake block 10 and the conical groove 301 are in a tight state, and the hub 30 cannot continue to rotate by virtue of friction, thereby achieving the purpose of braking; when the braking action is finished, the return spring 32 and the torsion spring 25 have the elastic force of a return state, namely, the driving plate and the driving screw 24 are driven to rotate the driving screw 21 to drive the brake block 10 to return to the original position by the stroke of twice threads, the hub 30 can continue to rotate, and when the brake block 10 is worn to a certain degree, the adjusting nut 23 can be screwed forward into the driving screw 21, so that the stroke of the brake block 10 and the conical groove 301 is shortened, and the brake block 10 can be quickly pressed against the hub 30.
The utility model discloses an effect as follows:
the assembly-completed forward-push brake is a forward-push driving and comprehensive pressing brake, the driving wrench is pulled by a brake cable to drive the driving screw to drive the brake block to forwards abut against the conical groove in the hub along the guide rod of the positioning plate, so that the brake block and the groove are in a pressing state, and the brake block is in contact with the hub along the whole annular surface, so that the contact area is large, the braking effect is improved, the safety of a rider is ensured, the correction of a nut can be further used, and the sensitivity of high braking can be greatly improved.
Claims (3)
1. A forward-push brake mainly comprises a hub, a driving part, a braking part, a restoring part and a fixed cover; it is characterized in that the preparation method is characterized in that,
the driving part consists of a driving screw, a bearing, an adjusting nut and a driving wrench;
the hub is characterized in that a round hole penetrates through the shaft end, a screw rod is sleeved in the round hole, and a conical groove is formed in one end of the hub and is used for a conical brake block to abut against;
the driving screw is in a threaded body in a screw hole of the brake block, a round hole is formed in the center of the driving screw, a center hole is formed in the screw head, a bearing is placed in the center hole, and a plurality of clamping grooves are formed in the outer ring surface of the screw head and used for clamping convex particles of a driving wrench;
the adjusting screw cap is positioned in the central hole of the driving screw rod, a through screw hole is formed in the center of the adjusting screw cap, and a flange is arranged on the outer ring surface and is abutted against the bearing;
one end of the driving wrench is provided with a through hole, the inner ring surface is provided with a plurality of convex particles which can be buckled on the clamping groove of the driving screw rod, and the other end of the driving wrench is provided with a round hole for locking the brake cable;
the brake part consists of a brake block and a positioning plate; wherein,
the brake block is positioned in the conical groove of the hub and is a ring body with a taper, the taper of the brake block is just the same as that of the conical groove of the hub, a screw hole is arranged in the center, and a plurality of guide holes are arranged beside the screw hole;
the positioning plate is plate-shaped, one end of the positioning plate is provided with a through hole, and round holes and a plurality of guide rods are arranged beside the through hole;
the restoring part comprises a torsion spring and a restoring spring; wherein,
the torsion spring is provided with a hook body at two ends so as to lean against two ends of the driving wrench;
the return spring penetrates through the screw rod and is arranged in the conical groove of the hub, and the return spring is fixed on the screw rod through a positioning nut;
the fixing cover is provided with a convex surface at the center, a central hole is arranged at the center of the convex surface for being sleeved in the shaft lever, and a plurality of round holes are arranged at the periphery.
2. A push-type brake as claimed in claim 1, wherein said drive screw is a double-threaded body.
3. A push-type brake as claimed in claim 1, wherein the threaded hole in the center of the brake block is a threaded hole with double threads.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96201563U CN2250303Y (en) | 1996-01-17 | 1996-01-17 | Front-push brake |
| CA 2192872 CA2192872A1 (en) | 1996-01-17 | 1996-12-13 | Hub brake for bicycles |
| ITTO960265 IT239880Y1 (en) | 1996-01-17 | 1996-12-24 | PERFECT HUB BRAKE FOR BICYCLES |
| FR9616172A FR2743540B3 (en) | 1996-01-17 | 1996-12-30 | HUB BRAKE FOR BICYCLE |
| NL1004912A NL1004912C2 (en) | 1996-01-17 | 1996-12-30 | Improved hub brake for a bicycle |
| KR2019970000511U KR970049459U (en) | 1996-01-17 | 1997-01-16 | Improved Bicycle Hub Brakes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96201563U CN2250303Y (en) | 1996-01-17 | 1996-01-17 | Front-push brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2250303Y true CN2250303Y (en) | 1997-03-26 |
Family
ID=5130668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96201563U Expired - Fee Related CN2250303Y (en) | 1996-01-17 | 1996-01-17 | Front-push brake |
Country Status (6)
| Country | Link |
|---|---|
| KR (1) | KR970049459U (en) |
| CN (1) | CN2250303Y (en) |
| CA (1) | CA2192872A1 (en) |
| FR (1) | FR2743540B3 (en) |
| IT (1) | IT239880Y1 (en) |
| NL (1) | NL1004912C2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112572679A (en) * | 2020-12-16 | 2021-03-30 | 摩拜(北京)信息技术有限公司 | Brake device and shared vehicle |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT504386B1 (en) * | 2006-10-24 | 2011-11-15 | Dgs Druckguss Systeme Ag | BRAKE DEVICE |
| PT107174A (en) * | 2013-09-19 | 2015-03-19 | Mfobmx Unipessoal Lda | REMOVABLE DISK AND SPOOL SUPPORT SYSTEM WITH BICYCLE CUBE PROTECTION |
| CN107448493B (en) * | 2017-09-25 | 2019-08-09 | 墙煌新材料股份有限公司 | A kind of clutch based on friction transmitting |
| CN107435690B (en) * | 2017-09-25 | 2019-01-11 | 高邮市高农机械配件有限公司 | A kind of speed change clutch based on friction transmitting |
-
1996
- 1996-01-17 CN CN96201563U patent/CN2250303Y/en not_active Expired - Fee Related
- 1996-12-13 CA CA 2192872 patent/CA2192872A1/en not_active Abandoned
- 1996-12-24 IT ITTO960265 patent/IT239880Y1/en active
- 1996-12-30 FR FR9616172A patent/FR2743540B3/en not_active Expired - Fee Related
- 1996-12-30 NL NL1004912A patent/NL1004912C2/en not_active IP Right Cessation
-
1997
- 1997-01-16 KR KR2019970000511U patent/KR970049459U/en active IP Right Grant
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112572679A (en) * | 2020-12-16 | 2021-03-30 | 摩拜(北京)信息技术有限公司 | Brake device and shared vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| NL1004912C2 (en) | 1997-10-15 |
| CA2192872A1 (en) | 1997-07-18 |
| IT239880Y1 (en) | 2001-03-13 |
| ITTO960265U1 (en) | 1998-06-24 |
| FR2743540A3 (en) | 1997-07-18 |
| NL1004912A1 (en) | 1997-07-18 |
| KR970049459U (en) | 1997-08-12 |
| FR2743540B3 (en) | 1997-12-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |