CN108341012B - Novel floating pull rod structure double-sided disc brake - Google Patents
Novel floating pull rod structure double-sided disc brake Download PDFInfo
- Publication number
- CN108341012B CN108341012B CN201710054516.8A CN201710054516A CN108341012B CN 108341012 B CN108341012 B CN 108341012B CN 201710054516 A CN201710054516 A CN 201710054516A CN 108341012 B CN108341012 B CN 108341012B
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- China
- Prior art keywords
- ejector rod
- pull rod
- brake pad
- rod cover
- torsion spring
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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
- B62L1/005—Brakes; Arrangements thereof constructional features of brake elements, e.g. fastening of brake blocks in their holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a novel double-sided disc brake with a floating pull rod structure, which comprises a large caliper body, a pull rod and a small caliper body, wherein the large caliper body is provided with a shaft connector, the shaft connector is connected with one end of a large torsion spring, the other end of the large torsion spring is connected with an upper ejector rod cover, a plurality of steel balls are arranged below the upper ejector rod cover, an upper ejector rod is arranged in the middle of the upper ejector rod cover, the upper ejector rod is connected with a movable flange, an upper brake pad is arranged below the movable flange, a brake pad spring is arranged between the upper brake pad and a lower brake pad, a movable flange is arranged below the lower brake pad, the movable flange is connected with the lower ejector rod, the lower ejector rod is connected with a lower ejector rod cover, the lower ejector rod cover is provided with a plurality of steel balls, the lower ejector rod cover is connected with one end of a small torsion spring, the other end of the small torsion spring is connected with the pull rod, the pull rod is connected, a large torsion spring and a small torsion spring torsion return pull rod are adopted to replace a pressure spring, and a retreating prevention ballistic design is adopted.
Description
Technical Field
The invention relates to important parts of a bicycle and an electric bicycle, in particular to a novel double-sided disc brake with a floating pull rod structure.
Background
The bicycle and the electric bicycle are huge transportation, transportation and body-building tools all over the world, in order to adjust the advancing speed and brake, a brake is a necessary component, in the working process of the clamp, a pull rod in the previous clamp interferes with the movement of an upper ejector rod and a lower ejector rod along with the change of the distance between the upper ejector rod and the lower ejector rod, so that the action directions of the upper ejector rod and the lower ejector rod are not kept on the same axis, the previous clamp is reset through a pressure spring component, the trajectory is greatly compressed, the hand feeling is not good, the upper ejector rod and the lower ejector rod are relatively close to and separated by a fixed pull rod, the brake is frequently used in the riding process, the thread of an adjusting screw is loosened, the brake force is reduced or even lost, after the pull rod is loosened, the existing clamp in the market generally adopts the pressure spring component to reset the pull rod, the structure is adopted, the restoring force of the pull rod, the lattice is easy to fall back.
Disclosure of Invention
The invention aims to solve the technical problem of providing a novel double-sided disc brake with a floating pull rod structure.
In order to solve the above-mentioned existing technical problem, the invention adopts the following scheme: the utility model provides a novel two-sided dish of pull rod structure that floats is stopped, including the big pincers body, the pull rod and the little pincers body, be equipped with the axle conjuncted on the big pincers body, the axle conjuncted is connected with big torsional spring one end, the big torsional spring other end is connected with last ejector pin lid, it has a plurality of steel balls to go up the ejector pin lid, it is equipped with the ejector pin to go up ejector pin lid middle part, it is connected with movable flange to go up the ejector pin, be equipped with the brake block below the movable flange, it is equipped with the brake block spring to go up between brake block and the lower brake block, the lower brake block has movable flange, movable flange is connected with ejector pin down, the ejector pin is connected with ejector pin lid down, be equipped with a plurality of steel balls down on the ejector pin lid, the ejector pin lid is connected with the one end of little.
Preferably, the small clamp body is provided with a set screw and an aluminum jacking block.
Preferably, the shaft connector is provided with an adjusting screw, and the adjusting screw and the shaft connector are both provided with anti-loosening teeth.
Preferably, the trajectories of the upper ejector rod and the ejector rod cover are designed to have the trajectory rear angles higher than the stress central point of the steel ball, and the trajectory bottom is a 0-0.5 mm trajectory groove.
Preferably, the trajectory of the lower ejector rod and the lower ejector rod cover is a right-handed spiral raceway, and the lower ejector rod cover is fixed on the small clamp body through a set screw, an aluminum ejector block and a positioning groove on the small clamp body.
Preferably, the trajectories of the upper ejector rod and the upper ejector rod cover are left-handed spiral raceways.
Has the advantages that:
the invention adopts the technical scheme to provide a novel double-sided disc brake with a floating pull rod structure, overcomes the defects of the prior art, realizes the synchronous rotation of the upper ejector rod and the lower ejector rod by utilizing the floating connection of the pull rod and the shaft coupling tooth key and avoids the limit that the fixed pull rod relatively approaches and separates the upper ejector rod and the lower ejector rod, prevents the frequent use of a brake in the riding process, leads to the loosening of the threads of an adjusting screw and the reduction and even loss of the braking force, adopts a large torsion spring and a small torsion spring to restore the pull rod to replace a pressure spring, can easily design the restoring force of the pull rod by adjusting the restoring force of the two torsion springs.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged schematic view of the present invention.
Fig. 3 is a partially enlarged schematic view of the present invention.
FIG. 4 is a partial structural view of the shaft coupling of the present invention.
FIG. 5 is a schematic structural view of a large torsion spring and a small torsion spring according to the present invention.
FIG. 6 is a force diagram of the present invention.
Figure 7 is a schematic view of the ballistic structure of the present invention.
Figure 8 is a cross-sectional view of a ballistic profile of the present invention.
Detailed Description
As shown in figures 1, 4, 5 and 7, a novel double-sided disc brake with a floating pull rod structure comprises a large caliper body 16, a pull rod 9 and a small caliper body 15, wherein the large caliper body 16 is provided with an axle connector 1, the axle connector 1 is connected with one end of a large torsion spring 2, the other end of the large torsion spring 2 is connected with an upper ejector rod cover 3, a plurality of steel balls 4 are arranged below the upper ejector rod cover 3, the middle part of the upper ejector rod cover 3 is provided with an upper ejector rod 5, the upper ejector rod 5 is connected with a movable flange 6, an upper brake pad 7-1 is arranged below the movable flange 6, a brake pad spring 8 is arranged between the upper brake pad 7-1 and a lower brake pad 7-2, a movable flange 6 is arranged below the lower brake pad 7-2, the movable flange 6 is connected with a lower ejector rod 10, the lower ejector rod 10 is connected with a lower ejector rod cover 11, the lower ejector rod cover 11 is provided with a plurality of steel balls 4, the lower ejector rod cover 11 is connected, the pull rod 9 is connected with a small clamp body 15, and a set screw 13 and an aluminum jacking block 14 are arranged on the small clamp body 15. The improved steel ball binding machine is characterized in that an adjusting screw 19 is arranged on the shaft joint body 1, the adjusting screw 19 and the shaft joint body 1 are respectively provided with a locking tooth 20, the trajectories of the upper ejector rod 5 and the upper ejector rod cover 3 are designed to be higher than the stress central point of the steel ball 4, the trajectory bottom is a 0-0.5 mm trajectory groove, the trajectories of the lower ejector rod 10 and the lower ejector rod cover 11 are right-handed spiral raceways, the lower ejector rod cover 11 is fixed on the small caliper body 15 through a fastening screw 13, an aluminum ejector block 14 and a positioning groove on the small caliper body 15, and the trajectories of the upper ejector rod 5 and the upper ejector rod cover 3 are left-handed spiral raceways.
In actual work, the pull rod 9 is pulled anticlockwise, the lower ejector rod 10 rotates along with the pull rod to push the lower brake pad 7-2 to move upwards, the trajectory of the lower ejector rod 10 and the lower ejector rod cover 11 is a right-handed spiral raceway, the lower ejector rod cover 11 is fixed on the small caliper body 15 through the positioning grooves on the set screw 13, the aluminum ejector block 14 and the small caliper body 15, the lower ejector rod 10 moves anticlockwise and upwards under the fixed condition of the lower ejector rod cover 11, the pull rod 9 rotates anticlockwise and is connected with the shaft connecting body 1 through the circular tooth key to rotate together, the shaft connecting body 1 and the upper ejector rod 5 are fixed through the hexagon, the upper ejector rod 5 is driven to rotate anticlockwise together under the rotation of the shaft connecting body 1, the upper ejector rod 5 and the upper ejector rod cover 3 are left-handed spiral raceways, the upper trajectory cover 3 and the large caliper body 16 are combined and then are limited by the positioning grooves on the large caliper body 16 to move freely by the positioning grooves on the upper ejector rod cover 3, under, the upper ejector rod 5 can only move anticlockwise and downwards, the upper ejector rod 5 moves anticlockwise and downwards to drive the movable flange 6 to move downwards so as to push the upper brake pad 7-1 to move downwards, the upper ejector rod 5 and the lower ejector rod 10 are reset simultaneously through the large torsion spring 2 and the small torsion spring 12 under the condition that the spiral pitches of the upper ejector rod pair and the lower ejector rod pair are the same, the brake pad spring 8 drives the upper brake pad 7-1 and the lower brake pad 7-2 to reset simultaneously along with the upper ejector rod 5 and the lower ejector rod 10, and in the working process of the clamp, the space between the pull rod 9 and the shaft coupling 1 is changed along with the movement of the upper ejector rod 5 and the lower ejector rod 10 so as to avoid the interference of the pull rod 9 on the movement of the ejector rod along with the change of the space between the upper ejector rod 5 and the lower ejector rod 10 in the traditional clamp, the action directions of the upper ejector rod 5 and the lower ejector rod 10 are not kept on the same axis any more, the torsion spring is used for resetting through the component force of the pressure spring compared with the prior art, the ballistic air pressure can be reduced, more ideal hand feeling can be obtained, the resilience force of the clamp can be more conveniently adjusted by adjusting the torque of the large torsion spring 2 and the small torsion spring 12, the upper ejector rod 5 and the lower ejector rod 10 can synchronously rotate by utilizing the floating connection of the pull rod 9 and the shaft coupling 1 through the tooth keys, and the structure that the fixed pull rod limits the relative close separation of the upper ejector rod 5 and the lower ejector rod 10 is avoided.
As shown in fig. 4, the adjusting screw 19 and the shaft coupling body 1 are attached with anti-loosening teeth 20, the adjusting screw 19 is adjusted to adjust the ejection position of the movable flange 6 so as to adjust the gap between the upper brake pad 7-1 and the lower brake pad 7-2, in order to prevent the brake from being frequently used in the riding process, which causes the loosening of the screw thread of the adjusting screw 19 and the reduction or even loss of the braking force, the adjusting screw 19 and the shaft coupling body 1 are attached with the anti-loosening teeth 20, and the shaft coupling body 1 is pressed on the adjusting screw 19 under the action force of the large torsion spring 2 which also serves as a compression spring, and the anti-loosening teeth are meshed to prevent the loosening of the screw thread of.
As shown in fig. 5 and 6, after the pull rod 9 is loosened, the existing clamps on the market generally adopt a pressure spring component force to restore the pull rod, and by adopting the structure, the restoring force of the pull rod 9 is increased, the pressure spring increases the ballistic pressure simultaneously, the ballistic friction force is increased therewith, the hand feeling is influenced, so the restoring force of the pull rod 9 is limited, the large torsion spring 2 is adopted, the small torsion spring 12 restores the pull rod to replace the pressure spring, and the restoring force of the pull rod 9 can be easily designed by adjusting the restoring force of the two torsion springs.
As shown in fig. 7 and 8, by adopting the anti-retreating trajectory design, the trajectory rear angles of the upper ejector rod 5 and the upper ejector rod cover 3 are designed to be higher than the stress central point of the steel ball 4, namely h2 > r, when the upper ejector rod 5 and the upper ejector rod cover 3 are reversely twisted, the trajectory a point blocks the steel ball 4 to roll, the trajectory anti-retreating lattice is realized, only 0-0.5 mm trajectory grooves at the bottom of the trajectory are reserved, and the flanging and curling interference trajectory in the deburring processing process can be effectively avoided.
Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (1)
1. The utility model provides a novel two-sided dish of pull rod structure is stopped floats, includes big pincers body (16), pull rod (9) and little pincers body (15), its characterized in that: the large caliper body (16) is provided with a shaft connector (1), the shaft connector (1) is connected with one end of a large torsion spring (2), the other end of the large torsion spring (2) is connected with an upper ejector rod cover (3), a plurality of steel balls (4) are arranged below the upper ejector rod cover (3), an upper ejector rod (5) is arranged in the middle of the upper ejector rod cover (3), the upper ejector rod (5) is connected with a movable flange (6), an upper brake pad (7-1) is arranged below the movable flange (6), a brake pad spring (8) is arranged between the upper brake pad (7-1) and a lower brake pad (7-2), a movable flange (6) is arranged below the lower brake pad (7-2), the movable flange (6) is connected with a lower ejector rod (10), the lower ejector rod (10) is connected with a lower ejector rod cover (11), a plurality of steel balls (4) are arranged on the lower ejector rod cover (11), and the lower ejector rod cover (11) is connected with one end of a small torsion, the other end of little torsional spring (12) is connected with pull rod (9), and pull rod (9) are connected with little pincers body (15), be equipped with on little pincers body (15) and tightly decide screw (13) and aluminium kicking block (14), be equipped with adjusting screw (19) on conjuncted body of axle (1), all be equipped with on adjusting screw (19) and the allies oneself with body (1) locking tooth (20), go up ejector pin (5) and last ejector pin lid (3) trajectory design into the trajectory relief and exceed steel ball (4) atress central point, the trajectory bottom is 0~0.5 millimeter bullet way groove, ejector pin (10) are right-handed spiral raceway with ejector pin lid (11) trajectory down, and lower ejector pin lid (11) are fixed on little pincers body (15) by tight decide screw (13) and aluminium kicking block (14) and little pincers body (15) constant head tank, go up ejector pin (5) and last ejector pin lid (3) are left spiral raceway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710054516.8A CN108341012B (en) | 2017-01-24 | 2017-01-24 | Novel floating pull rod structure double-sided disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710054516.8A CN108341012B (en) | 2017-01-24 | 2017-01-24 | Novel floating pull rod structure double-sided disc brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108341012A CN108341012A (en) | 2018-07-31 |
| CN108341012B true CN108341012B (en) | 2021-03-09 |
Family
ID=62962881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710054516.8A Active CN108341012B (en) | 2017-01-24 | 2017-01-24 | Novel floating pull rod structure double-sided disc brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108341012B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109775601A (en) * | 2019-03-12 | 2019-05-21 | 浙江阜康机械有限公司 | A kind of braking mechanism of motorhome jack |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6425464B2 (en) * | 2000-04-06 | 2002-07-30 | Avid Llc | Friction pad assembly for a disc brake |
| CN2459263Y (en) * | 2001-01-18 | 2001-11-14 | 久裕兴业股份有限公司 | Disc brake device |
| EP2444309B1 (en) * | 2010-10-20 | 2013-03-06 | Tektro Technology Corporation | Bicycle disc brake |
| CN202783613U (en) * | 2012-07-23 | 2013-03-13 | 陈锦标 | High-coaxility disc brake for bicycles and electric bikes |
| CN103863498B (en) * | 2012-12-10 | 2016-08-17 | 张小红 | Two-sided disc brake |
| CN204726601U (en) * | 2015-04-13 | 2015-10-28 | 兰溪市捷克运动器材制造有限公司 | The two-sided disc brake of a kind of intraconnected |
| CN206555331U (en) * | 2017-01-24 | 2017-10-13 | 兰溪市捷克运动器材制造有限公司 | A kind of new two-sided disc brake of floating drawbar structure |
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2017
- 2017-01-24 CN CN201710054516.8A patent/CN108341012B/en active Active
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| Publication number | Publication date |
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| CN108341012A (en) | 2018-07-31 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A new double-sided disc brake with floating pull rod structure Effective date of registration: 20220424 Granted publication date: 20210309 Pledgee: Agricultural Bank of China Limited Lanxi sub branch Pledgor: LANXI JIEKE SPORTS APPARATUS MANUFACTURING Co.,Ltd. Registration number: Y2022330000576 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |