CN219154661U - Effort-saving lengthening arm for bicycle - Google Patents
Effort-saving lengthening arm for bicycle Download PDFInfo
- Publication number
- CN219154661U CN219154661U CN202320136554.9U CN202320136554U CN219154661U CN 219154661 U CN219154661 U CN 219154661U CN 202320136554 U CN202320136554 U CN 202320136554U CN 219154661 U CN219154661 U CN 219154661U
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- clamping arm
- arm
- pedal
- outer clamping
- bicycle
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Abstract
The utility model discloses a labor-saving lengthening arm of a bicycle, which comprises an outer clamping arm and an inner clamping arm, wherein the inner clamping arm is fixedly connected with the outer clamping arm through a connecting shaft; the outer clamping arm and the inner clamping arm are respectively attached to the outer side surface and the inner side surface of the pedal handle, and penetrate through the fixing holes of the pedal handle, which are originally used for installing the pedal, through the connecting shaft, so that the outer clamping arm and the inner clamping arm are combined and fixed with the pedal handle; the outer clamping arm is provided with a screw hole, and the pedal is screwed into the screw hole through a screw rod of the pedal to be fixed at the outer side of the outer clamping arm. The utility model is fixed on the pedal handle of the bicycle through the combination butt joint of the inner clamping arm and the outer clamping arm, and then the pedal is directly arranged on the outer side of the outer clamping arm, thus realizing the lengthening modification of the pedal handle. The utility model can be used for refitting the bicycle pedal handle without structural change of the pedal handle and the pedal, and the refitting operation is very simple and convenient, and can be completed by a user. The inner clamping arm and the outer clamping arm can be designed into different lengths, and the requirements of different users can be better met.
Description
Technical Field
The utility model relates to the technical field of vehicle accessories, in particular to an extension arm for a bicycle pedal.
Background
The bicycle pedal and the chain disc form a lever structure, and according to the labor-saving principle of the lever, the longer the pedal handle is, the more labor is saved when the bicycle is ridden. The pedal handle of the existing bicycle is usually designed by manufacturers, and the bicycle can not be changed after being assembled. Although some schemes for lengthening the pedal handle are provided to achieve the purpose of labor saving, the existing schemes for lengthening the pedal handle are complex, some schemes are even installed by factories, general users cannot refit the bicycle after purchasing the bicycle, so that the use requirements of the users are limited, and the diversified requirements of different users are difficult to meet.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the labor-saving lengthening arm of the bicycle, which has simple structure and convenient installation, and can be refitted after being purchased by a user.
In order to solve the technical problems, the utility model adopts the following technical scheme: a labour saving and lengthening arm for bicycle, which is installed on the pedal handle of bicycle, characterized in that: the clamping device comprises an outer clamping arm and an inner clamping arm, wherein the inner clamping arm is fixedly connected with the outer clamping arm through a connecting shaft; the outer clamping arm and the inner clamping arm are respectively attached to the outer side surface and the inner side surface of the pedal handle, and penetrate through the fixing holes of the pedal handle, which are originally used for installing the pedal, through the connecting shaft, so that the outer clamping arm and the inner clamping arm are combined and fixed with the pedal handle; the outer clamping arm is provided with a screw hole, the screw hole is exposed out of the outer side face of the outer clamping arm, and the pedal is screwed into the screw hole through a screw rod of the pedal to be fixed on the outer side of the outer clamping arm.
Further, the screw rod sleeve is arranged on the inner side of the outer clamping arm, the screw rod sleeve and the outer clamping arm are of an integrated structure, the screw holes extend into the screw rod sleeve from the outer clamping arm, and the screw rods of the pedals penetrate through the outer clamping arm from the screw holes and are screwed into the screw rod sleeve, so that the structural stability of pedal installation is higher.
Further, a butt joint sleeve extending outwards from the inner clamping arm is arranged on the outer side surface of the inner clamping arm, and the screw rod sleeve is embedded and fixed in the butt joint sleeve, so that the stability of the screw rod sleeve is further improved; the butt joint sleeve and the inner clamping arm are of an integrated structure, and the structural strength is higher.
Further, the connecting shaft is arranged on the inner side surface of the outer clamping arm, and penetrates into the inner clamping arm after inwards penetrating through the fixing hole of the pedal handle.
Further, the end section of the connecting shaft is a threaded part, the threaded part protrudes out of the inner side of the inner clamping arm, and the inner clamping arm, the outer clamping arm and the pedal handle are locked and fixed by screwing nuts on the threaded part. Thus, the nut is invisible on the outer side, and the appearance is more attractive.
Further, the screw rod sleeve is arranged at the position close to the front end of the outer clamping arm, the butt joint sleeve is arranged at the position close to the front end of the inner clamping arm, and the connecting shaft is arranged at the middle position of the two clamping arms.
Further, the novel plastic binding belt also comprises a binding belt, wherein a plurality of positioning holes are formed in the binding belt; the inner side surface of the inner clamping arm and the outer side surface of the outer clamping arm are respectively provided with a locating pin, the inner clamping arm, the outer clamping arm and the pedal handle are tightly bound by the binding tape, and the locating pins are inserted into the locating holes of the binding tape to clamp the binding tape. Therefore, the combination stability of the extension arm and the pedal handle can be further enhanced, and the pedal is convenient to obtain stable moment.
Further, the clamping band is also arranged on the pedal handle, and the clamping band is tightly bound with the inner clamping arm, the outer clamping arm and the pedal handle and then is pressed on the clamping band, so that the clamping band is folded back and tightly clamped at the overlapping part of the clamping band, and the binding band is more stable.
Preferably, the strap and strap are each made of metal, such as an aluminum alloy.
Preferably, the connecting shaft and the outer clamping arm are integrally formed by steel, so that the connecting shaft and the outer clamping arm have extremely high structural strength.
The utility model is fixed on the pedal handle of the bicycle through the combination butt joint of the inner clamping arm and the outer clamping arm, and then the pedal is directly arranged on the outer side of the outer clamping arm, thus realizing the lengthening modification of the pedal handle. The utility model can be used for refitting the bicycle pedal handle without structural change of the pedal handle and the pedal, and the refitting operation is very simple and convenient, and can be completed by a user. The inner clamping arm and the outer clamping arm can be designed into different lengths, and the requirements of different users can be better met.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a diagram showing the combined state of the utility model and the pedal handle;
FIG. 3 is a view showing another angle of the combination of the present utility model and the pedal handle;
fig. 4 is an exploded view of the present utility model in combination with a pedal handle.
In the figure, 1 is an inner clamping arm, 11 is a butt joint sleeve, 2 is an outer clamping arm, 21 is a screw rod sleeve, 22 is a screw hole, 3 is a connecting shaft, 31 is a threaded part, 4 is a pedal handle, 41 is a fixing hole, 5 is a binding belt, 51 is a positioning hole, 6 is a positioning pin, and 7 is a clamping belt.
Detailed Description
In this embodiment, referring to fig. 1-4, the effort-saving extension arm of the bicycle is mounted on the pedal handle 4 of the bicycle; the clamping device comprises an outer clamping arm 2 and an inner clamping arm 1, wherein the inner clamping arm 1 is fixedly connected with the outer clamping arm 2 through a connecting shaft 3; the outer clamping arm 2 and the inner clamping arm 1 are respectively stuck to the outer side surface and the inner side surface of the pedal handle 4, and pass through the fixing hole 41 originally used for installing the pedal of the pedal handle 4 through the connecting shaft 3, so that the outer clamping arm 2 and the inner clamping arm 1 are combined and fixed with the pedal handle 4; the outer clamping arm 2 is provided with a screw hole 22, the screw hole 22 is exposed out of the outer side surface of the outer clamping arm 2, and the pedal is screwed into the screw hole 22 through a screw rod of the pedal to be fixed on the outer side of the outer clamping arm 2, so that the length of the pedal handle is prolonged.
The screw rod sleeve 21 is arranged on the inner side of the outer clamping arm 2, the screw rod sleeve 21 and the outer clamping arm 2 are of an integrated structure, the screw hole 22 extends into the screw rod sleeve 21 from the outer clamping arm 2, and the screw rod of the pedal passes through the outer clamping arm 2 from the screw hole 22 and is screwed into the screw rod sleeve 21, so that the structural stability of pedal installation is higher.
The outer side surface of the inner clamping arm 1 is provided with a butt joint sleeve 11 extending towards the outer clamping arm 2, and the screw rod sleeve 21 is embedded and fixed in the butt joint sleeve 11, so that the stability of the screw rod sleeve 21 is further improved; the butt joint sleeve 11 and the inner clamping arm 1 are of an integrated structure, and the structural strength is higher.
The connecting shaft 3 is arranged on the inner side surface of the outer clamping arm 2, and penetrates into the inner clamping arm 1 after inwards penetrating through the fixing hole 41 of the pedal handle 4.
The end section of the connecting shaft 3 is a threaded part 31, the threaded part 31 protrudes to the inner side of the inner clamping arm 1, and the inner clamping arm 1, the outer clamping arm 2 and the pedal handle 4 are locked and fixed by screwing nuts on the threaded part 31. Thus, the nut is invisible on the outer side, and the appearance is more attractive.
The screw sleeve 21 is arranged at the position close to the front end of the outer clamping arm 2, the butt joint sleeve 11 is arranged at the position close to the front end of the inner clamping arm 1, and the connecting shaft 3 is arranged at the middle position of the two clamping arms.
The novel plastic ribbon is characterized by further comprising a ribbon 5, wherein a plurality of positioning holes 51 are formed in the ribbon 5; the inner side surface of the inner clamping arm 1 and the outer side surface of the outer clamping arm 2 are respectively provided with a locating pin 6, the inner clamping arm 1, the outer clamping arm 2 and the pedal handle 4 are tightly bound by the binding tape 5, and the locating pins 6 are inserted into the locating holes 51 of the binding tape 5 to clamp the binding tape 5, so that the pedal handle 4 with different thicknesses can be adapted to, the combination stability of the lengthening arm and the pedal handle 4 is further enhanced, and the pedal is convenient to obtain stable moment.
Still including the clamping band 7, the clamping band 7 fills up on pedal handle 4, and clamping band 5 ties up and presses on clamping band 7 behind interior arm lock 1, outer arm lock 2 and pedal handle 4, with the overlapping position of clamping band 5 of clamping band 7 inflection (because the length of clamping band 5 is enough to let it have one section to overlap, do not tie up and can scatter), make the ligature of ligature 5 more firm.
The band 5 and the strap 7 are made of metal, such as aluminum alloy, respectively.
The connecting shaft 3 and the outer clamping arm 2 are of an integral structure and are integrally made of steel, so that the connecting shaft has extremely high structural strength.
The foregoing detailed description of the utility model has been presented for purposes of illustration and description, but is not intended to limit the scope of the utility model, i.e., the utility model is not limited to the details shown and described.
Claims (10)
1. A labour saving and lengthening arm for bicycle, which is installed on the pedal handle of bicycle, characterized in that: the clamping device comprises an outer clamping arm and an inner clamping arm, wherein the inner clamping arm is fixedly connected with the outer clamping arm through a connecting shaft; the outer clamping arm and the inner clamping arm are respectively stuck to the outer side surface and the inner side surface of the pedal handle, and penetrate through the fixing holes of the pedal handle through the connecting shaft to enable the outer clamping arm and the inner clamping arm to be combined and fixed with the pedal handle; the outer clamping arm is provided with a screw hole, the screw hole is exposed out of the outer side face of the outer clamping arm, and the pedal is screwed into the screw hole through a screw rod of the pedal to be fixed on the outer side of the outer clamping arm.
2. The bicycle effort saving extension arm of claim 1, wherein: the inner side of the outer clamping arm is provided with a screw rod sleeve, the screw rod sleeve and the outer clamping arm are of an integrated structure, a screw hole extends into the screw rod sleeve from the outer clamping arm, and a screw rod of the pedal penetrates through the outer clamping arm from the screw hole and is screwed in the screw rod sleeve.
3. The bicycle effort saving extension arm of claim 2, wherein: the outer side surface of the inner clamping arm is provided with a butt joint sleeve extending towards the outer clamping arm, and the screw rod sleeve is embedded and fixed in the butt joint sleeve; the butt joint sleeve and the inner clamping arm are of an integrated structure.
4. The bicycle effort saving extension arm of claim 1, wherein: the connecting shaft is arranged on the inner side surface of the outer clamping arm, and penetrates into the inner clamping arm after inwards penetrating through the fixing hole of the pedal handle.
5. The bicycle effort saving extension arm of claim 4, wherein: the last section of connecting axle is screw thread portion, and screw thread portion stands out in interior arm lock's inboard, makes interior arm lock and outer arm lock and pedal handle fixed through screwing on the nut on screw thread portion.
6. A bicycle effort saving extension arm according to claim 3, characterized in that: the screw rod sleeve is arranged at the position close to the front end of the outer clamping arm, the butt joint sleeve is arranged at the position close to the front end of the inner clamping arm, and the connecting shaft is arranged at the middle positions of the two clamping arms.
7. The bicycle effort saving extension arm of claim 1, wherein: the novel cable tie also comprises a cable tie, wherein a plurality of positioning holes are formed in the cable tie; the inner side surface of the inner clamping arm and the outer side surface of the outer clamping arm are respectively provided with a locating pin, the inner clamping arm, the outer clamping arm and the pedal handle are tightly bound by the binding tape, and the locating pins are inserted into the locating holes of the binding tape to clamp the binding tape.
8. The bicycle effort saving extension arm of claim 7, wherein: the clamping band is arranged on the pedal handle, and the clamping band is tightly bound with the inner clamping arm, the outer clamping arm and the pedal handle and then is pressed on the clamping band, so that the clamping band is folded back to clamp the overlapping part of the clamping band.
9. The bicycle effort saving extension arm of claim 8, wherein: the binding belt and the clamping belt are respectively made of metal.
10. The bicycle effort saving extension arm of claim 4, wherein: the connecting shaft and the outer clamping arm are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320136554.9U CN219154661U (en) | 2023-01-16 | 2023-01-16 | Effort-saving lengthening arm for bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320136554.9U CN219154661U (en) | 2023-01-16 | 2023-01-16 | Effort-saving lengthening arm for bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219154661U true CN219154661U (en) | 2023-06-09 |
Family
ID=86641604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320136554.9U Active CN219154661U (en) | 2023-01-16 | 2023-01-16 | Effort-saving lengthening arm for bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219154661U (en) |
-
2023
- 2023-01-16 CN CN202320136554.9U patent/CN219154661U/en active Active
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| GR01 | Patent grant | ||
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