CN216185766U - Brake crank structure and electric bicycle - Google Patents
Brake crank structure and electric bicycle Download PDFInfo
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- CN216185766U CN216185766U CN202122506348.6U CN202122506348U CN216185766U CN 216185766 U CN216185766 U CN 216185766U CN 202122506348 U CN202122506348 U CN 202122506348U CN 216185766 U CN216185766 U CN 216185766U
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- brake
- shell
- brake lever
- handle
- hole
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 244000098674 Pinus cembroides Species 0.000 description 3
- 235000005013 Pinus cembroides Nutrition 0.000 description 3
- 235000008591 Pinus cembroides var edulis Nutrition 0.000 description 3
- 235000015593 Pinus monophylla Nutrition 0.000 description 3
- 235000015594 Pinus parryana Nutrition 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The application provides a brake lever structure and an electric bicycle, wherein the brake lever structure comprises a brake lever shell, a brake handle and a connecting device; the brake handle is fixedly connected with a connecting block, and the connecting block is used for being rotationally connected with the brake crank shell; the brake crank shell is provided with a connecting groove, and the connecting groove is used for placing the connecting block; the connecting device comprises a bushing, and the bushing is arranged in the connecting block; the step screw is matched with the bushing to enable the connecting block to be hinged into the connecting groove. In the technical scheme, the brake handle and the brake crank shell can be rotationally connected together through the connecting block and the connecting groove; through the connecting device who sets up, can make its reduction wearing and tearing volume when stopping handle rotation work to promote the life-span of stopping the handle.
Description
Technical Field
The application relates to electric bicycle technical field, especially involves a brake lever structure and electric bicycle.
Background
The general electric bicycle brake crank structure constitutes: handle, brake lever shell, screw, bush etc. of stopping, handle and brake lever shell pass through the screw connection (brake lever shell below installation bush), form the axis of rotation in the screw position, can rotate the brake, and the problem is as follows:
1. the brake handle is made of aluminum alloy, the screw is made of iron material and is relatively hard, so that after the hole of the aluminum alloy brake handle is used for a long time at a high rate, the hole of the brake handle is abraded, an overlarge gap is generated, the Hall signal error is large, and the brake is even influenced;
2. the nut locking bush of screw pushes up tight handle of stopping again, makes the handle atress of stopping, and rotation process clock has the risk of taking the screw to rotate, and the screw rotation can cause the nut pine to take off, causes the brake lever to damage the risk.
SUMMERY OF THE UTILITY MODEL
The application provides a brake lever structure, and this brake lever structure is applied to electric bicycle to the brake lever structure in this application can reduce the wearing and tearing volume for the brake lever among the prior art, promotes the life-span of brake lever; simultaneously also can prevent that the nut from rotating along with the handle of stopping to reduce the risk of brake lever damage. The brake crank structure specifically comprises a brake crank shell, a brake handle and a connecting device; the brake handle is fixedly connected with a connecting block, and the connecting block is used for being rotationally connected with the brake crank shell; the brake crank shell is provided with a connecting groove, and the connecting groove is used for placing the connecting block; the connecting device comprises a bushing, and the bushing is arranged in the connecting block; the step screw is matched with the bushing to enable the connecting block to be hinged into the connecting groove. In the technical scheme, the brake handle and the brake crank shell can be rotationally connected together through the connecting block and the connecting groove; through the connecting device who sets up, can make its reduction wearing and tearing volume when stopping handle rotation work to promote the life-span of stopping the handle.
In a specific possible embodiment, the connecting block is provided with a first connecting hole;
the first connection hole is used for fixing the bushing.
In a specific possible embodiment, the brake crank shell is provided with a second connecting hole and a third connecting hole;
the second connecting hole and the third connecting hole are communicated with the connecting groove.
In a specific embodiment, the second connection hole and the third connection hole are respectively located at the upper and lower sides of the connection groove;
and the positions of the second connecting hole and the third connecting hole correspond to each other.
In a particular embodiment, a nut is also included;
the nut is used for being matched with the step screw, and the step screw is fixed on the brake crank shell through the nut.
In a particular embodiment, a clamp ring is further included;
the clamping ring is used for fixing the brake crank shell on a handlebar of the electric bicycle.
In a specific possible embodiment, the clamping ring is provided with a first arc-shaped groove, and the brake crank shell is provided with a second arc-shaped groove;
the first arc-shaped groove and the second arc-shaped groove are matched with each other to fix the brake lever shell on a handlebar of the electric bicycle.
In a specific possible implementation scheme, a plurality of first through holes are formed in the clamping ring and located on the upper side and the lower side of the first arc-shaped groove, and a plurality of second through holes are formed in the brake crank shell and located on the upper side and the lower side of the second arc-shaped groove;
the positions of the first through holes correspond to the positions of the second through holes in a one-to-one mode.
In a specific embodiment, each first through-hole may be connected with a corresponding second through-hole by a bolt.
In a second aspect, an electric bicycle is provided, which includes a frame and a brake lever structure disposed on the frame. The brake handle and the brake handle shell can be rotatably connected together by inserting the step screws into the first connecting hole, the second connecting hole and the third connecting hole; through the nut that sets up, can fix the step screw on the brake lever shell to prevent that the nut from rotating along with the rotation of the handle of stopping, thereby reduce the damage risk of brake lever.
Drawings
Fig. 1 is a schematic structural diagram of a brake lever structure provided in an embodiment of the present application;
fig. 2 is an exploded schematic view of a brake lever structure according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clear, the present application will be further described in detail with reference to the accompanying drawings.
For convenience of understanding, the application scenario of the brake lever structure and the electric bicycle provided by the embodiment of the present application is explained first, and the brake lever structure is applied to the electric bicycle, and compared with the brake lever in the prior art, the brake lever structure in the present application can reduce the wear loss and prolong the service life of the brake lever; simultaneously also can prevent that the nut from rotating along with the handle of stopping to reduce the risk of brake lever damage.
Referring first to fig. 1, fig. 1 is a schematic structural diagram of a brake lever structure provided in an embodiment of the present application. According to fig. 1, this application includes brake lever shell 1, and this brake lever shell 1 rotates through connecting device and is connected with the handle 2 of stopping, and brake lever shell 1 cooperates the fixed centre gripping of this application on electric bicycle's handlebar through cooperating with clamp ring 10 simultaneously. In the application, the arranged connecting device can reduce the abrasion loss of the brake handle 2 when the brake handle 2 rotates to work, so that the service life of the brake handle 2 can be prolonged; simultaneously, this connecting device can prevent that the nut from rotating along with the rotation of handle 2 of stopping to can reduce the damage risk of this application.
When the brake lever shell 1 and the brake handle 2 are specifically connected, reference is made to fig. 2, and fig. 2 is an exploded structural schematic diagram of a brake lever structure provided by an embodiment of the present application. According to fig. 2, one end of the brake handle 2 is fixedly connected with a connecting block 3, and one end of the brake handle shell 1 is provided with a connecting groove 4 matched with the connecting block 3. When assembling this application, can insert connecting block 3 spread groove 4, then rotate connecting block 3 and spread groove 4 through connecting device and link together, make connecting block 3 can rotate in spread groove 4 to handle 2 and brake lever shell 1 of will stopping link together, and make the handle 2 of stopping can use brake lever shell 1 to carry out rotation work as the center.
Further, connecting device when specifically setting up, can continue to refer to fig. 2, handle 2 fixedly connected with bush 5 of stopping, it is specific, this bush 5 through connection piece 3, during the assembly this application, can insert connecting block 3 in spread groove 4, then make step screw 6 through in the spread groove 4, step screw 6 passes bush 5 simultaneously, in order to fix step screw 6 on brake crank shell 1, the bottom screwed connection of step screw 6 has nut 9, this nut 9 top tighten brake crank shell 1 to fix step screw 6 on brake crank shell 1. When using this application brake, ride passerby and can pinch off handle 2, make handle 2 of stopping rotate to electric bicycle's handlebar direction to taut brake cable, thereby reach the purpose of brake. In the braking process, the brake handle 2 rotates towards the handlebar direction of the electric bicycle, so that the connecting block 3 is driven to rotate in the connecting groove 4, at the moment, the bushing 5 rotates around the step screw 6, and therefore the bushing 5 rotates around the step screw 6 in the braking process, and the bushing 5 and the step screw 6 are made of iron materials, so that the aluminum alloy brake handle is relatively improved in the front iron screw abrasion, the abrasion loss is greatly reduced, the service life of the brake handle can be prolonged, an overlarge gap cannot be generated, a Hall signal is guaranteed, and the quality is improved; simultaneously, because nut 9 and brake lever shell 1 top are tight, consequently nut 9 not with the handle 2 direct contact of stopping, the handle that stops before consequently this application improves relatively rotates back and causes the nut pine to take off, nut 9 in this application can not rotate along with the rotation of the handle 2 of stopping to the risk that nut 9 pine takes off has been reduced, thereby the risk of reducing this application damage.
In order to facilitate the step screw 6 to penetrate through the connection groove 4, with reference to fig. 2, a first connection hole 7 may be formed in the connection block 3, the first connection hole 7 penetrates through the connection block 3, the bushing 5 is fixed in the first connection hole 7, the length of the bushing 5 is the same as that of the first connection hole 7, and the fixing manner of the bushing 5 in the first connection hole 7 includes, but is not limited to, the connection manners of welding or adhesion, etc. commonly used in the prior art; continuing to refer to fig. 2, the second connecting hole 8 and the third connecting hole are opened at the position of the brake crank shell 1 corresponding to the connecting groove 4, the second connecting hole 8 and the third connecting hole are both communicated with the connecting groove 4, the second connecting hole 8 and the third connecting hole are respectively located at the upper side and the lower side of the connecting groove 4, and the second connecting hole 8 and the third connecting hole are located on the same vertical line. During the assembly this application, can insert connecting block 3 in the spread groove 4, and make bush 5 and second connecting hole 8 and third connecting hole correspond together, then insert second connecting hole 8 and bush 5 with step screw 6's afterbody in proper order, step screw 6's afterbody is worn out from the third connecting hole at last, step screw 6's head and brake lever shell 1 laminating together this moment, then with step screw 6's afterbody threaded connection nut 9, one side and brake lever shell 1 laminating together until nut 9, nut 9 fixes step screw 6 on brake lever shell 1 this moment, step screw 6 will be stopped handle 2 and brake lever shell 1 and rotate and link together.
This application brake lever structure assembly back can be fixed on electric bicycle's handlebar to make things convenient for the use of brake lever structure, refer to fig. 1, brake lever structure accessible is fixed self on electric bicycle's handlebar with mutually supporting of clamp ring 10, thereby makes things convenient for the use of this application.
Specifically, referring to fig. 2, a first arc-shaped groove 11 is formed in the clamping ring 10, and a plurality of first through holes are formed in the clamping ring 10 at the upper and lower sides of the first arc-shaped groove 11; a second arc-shaped groove 12 is formed in the position, matched with the clamping ring 10, of the brake lever shell 1, and a plurality of second through holes 13 are formed in the positions, located on the upper side and the lower side of the second arc-shaped groove 12, of the brake lever shell 1. When fixing this application brake lever structure, can be located electric bicycle's handlebar both sides respectively with brake lever shell 1 and clamp ring 10, then make brake lever shell 1 and clamp ring 10 link together, this moment as shown in fig. 1, first arc wall 11 just in time holds electric bicycle's handlebar with second arc wall 12, and first through-hole and the corresponding intercommunication of second through-hole 13, then pass first through-hole and the second through-hole 13 that corresponds with bolt 14, thereby it is in the same place brake lever shell 1 and clamp ring 10 fixed connection through bolt 14, thereby fix the brake lever structure of this application on electric bicycle's handlebar, make things convenient for the use of this application.
According to the description, the lining 5 rotates around the step screw 6 in the brake using process, and the lining 5 and the step screw 6 are made of iron, so that the abrasion of the aluminum alloy brake handle caused by the iron screw is greatly reduced, the service life of the brake handle can be prolonged, an overlarge gap cannot be generated, a Hall signal is guaranteed, and the quality is improved; simultaneously, because nut 9 and brake lever shell 1 top are tight, consequently nut 9 not with the handle 2 direct contact of stopping, the handle that stops before consequently this application improves relatively rotates back and causes the nut pine to take off, nut 9 in this application can not rotate along with the rotation of the handle 2 of stopping to the risk that nut 9 pine takes off has been reduced, thereby the risk of reducing this application damage.
The application also provides an electric bicycle, electric bicycle includes the frame and sets up brake lever structure on the frame. In above-mentioned technical scheme, will brake lever shell 1 and clamp ring 10 fixed connection together through bolt 14 to fix the brake lever structure of this application on electric bicycle's handlebar, make things convenient for the use of this application.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
The embodiment of the disclosure provides a brake lever structure, specifically as follows:
TS1, a brake lever structure, comprising: the brake crank shell, the brake handle and the connecting device; wherein,
the brake handle is fixedly connected with a connecting block, and the connecting block is used for being rotationally connected with the brake crank shell;
the brake crank shell is provided with a connecting groove, and the connecting groove is used for placing the connecting block;
the connecting device comprises a bushing, and the bushing is arranged in the connecting block;
the step screw is matched with the bushing to enable the connecting block to be hinged into the connecting groove.
TS2, according to TS1 said brake lever structure, characterized in that, the said joint block offers the first connecting hole;
the first connection hole is used for fixing the bushing.
TS3, according to TS1 the brake lever structure, characterized in that, the brake lever shell is provided with a second connecting hole and a third connecting hole;
the second connecting hole and the third connecting hole are communicated with the connecting groove.
TS4, according to TS3 the brake lever structure, characterized in that, the second connecting hole and the third connecting hole are respectively located on the upper and lower sides of the connecting groove;
and the positions of the second connecting hole and the third connecting hole correspond to each other.
TS5, according to TS1 said brake lever structure, characterized by, still include the nut;
the nut is used for being matched with the step screw, and the step screw is fixed on the brake crank shell through the nut.
TS6, according to TS1 ~ 5 any one the brake lever structure, characterized by, also include the clamp ring;
the clamping ring is used for fixing the brake crank shell on a handlebar of the electric bicycle.
TS7, according to TS6 the brake lever structure, characterized in that, the clamp ring is provided with a first arc-shaped groove, and the brake lever shell is provided with a second arc-shaped groove;
the first arc-shaped groove and the second arc-shaped groove are matched with each other to fix the brake lever shell on a handlebar of the electric bicycle.
TS8, according to TS7 the brake lever structure, characterized in that, the clamp ring is located on the upper and lower sides of the first arc-shaped groove and is provided with a plurality of first through holes, and the brake lever shell is located on the upper and lower sides of the second arc-shaped groove and is provided with a plurality of second through holes;
the positions of the first through holes correspond to the positions of the second through holes in a one-to-one mode.
TS9, a brake lever structure according to TS8, wherein each first through hole is connectable to a corresponding second through hole by a bolt.
TS10, an electric bicycle, which comprises a frame and a brake lever structure arranged on the frame and as the TS1 ~ 9.
Claims (10)
1. A brake lever structure, comprising: the brake crank shell, the brake handle and the connecting device; wherein,
the brake handle is fixedly connected with a connecting block, and the connecting block is used for being rotationally connected with the brake crank shell;
the brake crank shell is provided with a connecting groove, and the connecting groove is used for placing the connecting block;
the connecting device comprises a bushing, and the bushing is arranged in the connecting block;
the step screw is matched with the bushing to enable the connecting block to be hinged into the connecting groove.
2. The brake crank structure as claimed in claim 1, wherein the connecting block is provided with a first connecting hole;
the first connection hole is used for fixing the bushing.
3. The brake crank structure of claim 1, wherein the brake crank shell is provided with a second connecting hole and a third connecting hole;
the second connecting hole and the third connecting hole are communicated with the connecting groove.
4. The brake lever structure according to claim 3, wherein the second connecting hole and the third connecting hole are respectively located at upper and lower sides of the connecting groove;
and the positions of the second connecting hole and the third connecting hole correspond to each other.
5. A lever structure according to claim 1, further comprising a nut;
the nut is used for being matched with the step screw, and the step screw is fixed on the brake crank shell through the nut.
6. The brake crank structure according to any one of claims 1 to 5, further comprising a clamping ring;
the clamping ring is used for fixing the brake crank shell on a handlebar of the electric bicycle.
7. The brake crank structure of claim 6, wherein the clamping ring defines a first arcuate slot, and the brake crank housing defines a second arcuate slot;
the first arc-shaped groove and the second arc-shaped groove are matched with each other to fix the brake lever shell on a handlebar of the electric bicycle.
8. The brake crank structure of claim 7, wherein the clamp ring has a plurality of first through holes on upper and lower sides of the first arc-shaped groove, and the brake crank case has a plurality of second through holes on upper and lower sides of the second arc-shaped groove;
the positions of the first through holes correspond to the positions of the second through holes in a one-to-one mode.
9. A lever structure according to claim 8, wherein each first through-hole is adapted to be connected to a corresponding second through-hole by means of a bolt.
10. An electric bicycle, characterized in that, includes the frame and sets up the brake lever structure of any one of claims 1 ~ 9 on the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122506348.6U CN216185766U (en) | 2021-10-18 | 2021-10-18 | Brake crank structure and electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122506348.6U CN216185766U (en) | 2021-10-18 | 2021-10-18 | Brake crank structure and electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216185766U true CN216185766U (en) | 2022-04-05 |
Family
ID=80883703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122506348.6U Active CN216185766U (en) | 2021-10-18 | 2021-10-18 | Brake crank structure and electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216185766U (en) |
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2021
- 2021-10-18 CN CN202122506348.6U patent/CN216185766U/en active Active
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