CN217754015U - Bicycle derailleur damping structure, rear derailleur and bicycle - Google Patents

Bicycle derailleur damping structure, rear derailleur and bicycle Download PDF

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Publication number
CN217754015U
CN217754015U CN202221694478.5U CN202221694478U CN217754015U CN 217754015 U CN217754015 U CN 217754015U CN 202221694478 U CN202221694478 U CN 202221694478U CN 217754015 U CN217754015 U CN 217754015U
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China
Prior art keywords
friction
way bearing
bearing assembly
bicycle
joint
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CN202221694478.5U
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Chinese (zh)
Inventor
刘春生
谢尔盖·弗拉索夫
曾成杰
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Zhuhai Blueprint Sports Technology Co ltd
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Zhuhai Ltwoo Controller Technology Co ltd
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Abstract

The embodiment of the utility model discloses a bicycle derailleur damping structure, rear derailleur and bicycle, the bicycle derailleur damping structure includes P joint seat, one-way bearing assembly, P joint axle, and one-way bearing assembly inlays and locates in P joint seat; the P joint shaft penetrates through the P joint seat and is coaxially arranged with the one-way bearing assembly; the friction structure is arranged between the one-way bearing assembly and the P joint seat, so that when the P joint shaft rotates along a first direction, the one-way bearing assembly is in friction-free contact with the friction structure, and when the P joint shaft rotates along a second direction, the one-way bearing assembly and the friction structure generate friction force, wherein the rotating directions of the first direction and the second direction are opposite. The utility model discloses damping simple structure, compact structure nature is strong, simultaneously, uses through the cooperation of one-way bearing subassembly and friction structure, realizes one-way damped effect to produce the phenomenon of unexpected lax when reducing the chain and receiving the impact.

Description

Bicycle derailleur damping structure, rear derailleur and bicycle
Technical Field
The utility model relates to a bicycle speed change gear field especially relates to a bicycle derailleur damping structure, rear derailleur and bicycle.
Background
The rear derailleur, called rear derailleur for short, is an important component of a speed changing system on a variable speed bicycle such as a mountain bike, a road bike and the like, and is used for changing chains on different flywheel plates so as to meet different road conditions and enable a rider to drive the bicycle to move forward more reasonably by using the body.
The chain guide of the rear derailleur is typically rotatably mounted on the chain guide member and a spring that rotates in a clockwise direction provides the kinetic energy to tension the slack in the chain by the rear derailleur as the chain engages the smaller diameter sprocket. However, during rough driving, bumps and shocks may cause the chain guide to rotate counterclockwise, creating unnecessary slack in the chain.
Therefore, to reduce this problem, a bicycle damping structure is needed to resist the chain from rotating in an undesired direction when the chain is shaken.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bicycle derailleur damping structure, rear derailleur and bicycle aims at solving the problem that the chain that has on the rear derailleur now and produces unnecessary lax easily after receiving the impact.
In order to solve the technical problem, the purpose of the utility model is realized through following technical scheme: there is provided a bicycle derailleur damping structure, comprising:
a P joint seat;
the one-way bearing assembly is embedded in the P-joint seat;
a P-joint shaft passing through the P-joint seat and coaxially disposed with the one-way bearing assembly;
and a friction structure is arranged between the one-way bearing assembly and the P joint seat, so that when the P joint shaft rotates along a first direction, the one-way bearing assembly is in non-friction contact with the friction structure, and when the P joint shaft rotates along a second direction, the one-way bearing assembly and the friction structure generate friction force, wherein the rotating directions of the first direction and the second direction are opposite.
Furthermore, the joint seat of P is provided with the first groove of stepping down and the second groove of stepping down that is linked together, one-way bearing assembly inlays to be located in the first groove of stepping down, the joint axle of P passes at least partially the joint seat of P and with one-way bearing assembly is connected, wherein, friction structure is including being located the first friction disc between the bottom in one-way bearing assembly and the first groove of stepping down.
Further, the friction structure includes a second friction plate located between the one-way bearing assembly and a sidewall of the first abdicating groove.
Further, the first friction plate is a metal washer or a plastic washer, and the second friction plate is a metal washer or a plastic washer.
Furthermore, the one-way bearing assembly comprises a shaft connecting block, a one-way bearing body and a bearing shell which are sequentially arranged from inside to outside;
the P joint shaft is at least partially embedded into the central hole of the shaft connecting block;
the one-way bearing body is fixedly connected with the bearing shell;
the upper side surface of the first friction plate is abutted against the lower end surface of the bearing shell, and the inner side surface of the second friction plate is abutted against the outer side surface of the bearing shell;
when the P joint shaft rotates along the first direction, the shaft connecting block and the one-way bearing body rotate, the bearing shell is in friction-free contact with the friction structure, when the P joint shaft rotates along the second direction, the shaft connecting block, the one-way bearing body and the bearing shell synchronously rotate, and the bearing shell and the friction structure generate friction force.
Further, the bearing housing includes an annular housing and an annular flange fixedly disposed at a lower end of the annular housing, an upper side surface of the annular flange is disposed to be inclined outward and downward, wherein an upper side surface of the first friction plate abuts against a lower end surface of the annular flange, and an inner side surface of the second friction plate abuts against an upper side surface of the bearing housing;
a plurality of positioning grooves are formed in the inner side of the first abdicating groove;
the first friction plate and the second friction plate are provided with positioning blocks used for being embedded into the positioning grooves.
Furthermore, the top of the first abdicating groove is detachably connected with a P joint cover for sealing the opening of the first abdicating groove and for tightly abutting the second friction plate against the bearing shell.
Furthermore, the one-way bearing body is sleeved on the shaft connecting block, and a clamp spring used for limiting the sliding of the one-way bearing body is embedded at the upper end of the shaft connecting block.
The embodiment of the utility model also provides a rear derailleur, including base component, chain guide component and as above-mentioned bicycle derailleur damping structure, the articulated seat of P is connected with the base component through articulated quadrilateral component, the articulated seat of P rotationally sets up in one end of chain guide component;
wherein one end of the P-joint shaft is fixed to one end of the chain guide member.
The embodiment of the utility model provides a still provide a bicycle, wherein: the bicycle comprises the rear derailleur and a bicycle body, wherein the rear derailleur is arranged on the bicycle body.
An embodiment of the utility model provides a bicycle derailleur damping structure, rear derailleur and bicycle, wherein: the bicycle speed changer damping structure comprises a P joint seat, a one-way bearing assembly and a P joint shaft, wherein the one-way bearing assembly is embedded in the P joint seat; the P joint shaft penetrates through the P joint seat and is coaxially arranged with the one-way bearing assembly; and a friction structure is arranged between the one-way bearing assembly and the P joint seat, so that when the P joint shaft rotates along a first direction, the one-way bearing assembly is in friction-free contact with the friction structure, and when the P joint shaft rotates along a second direction, the one-way bearing assembly and the friction structure generate friction force, wherein the rotating directions of the first direction and the second direction are opposite. The utility model discloses damping simple structure, compact structure nature is strong, simultaneously, uses through the cooperation of one-way bearing subassembly and friction structure, realizes one-way damped effect to produce the phenomenon of unexpected lax when reducing the chain and receiving the impact.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 is a schematic structural view of a damping structure of a bicycle transmission provided in an embodiment of the present invention;
FIG. 2 is an exploded view of a bicycle derailleur damping arrangement in accordance with an embodiment of the present invention;
fig. 3 is a cross-sectional view of a bicycle derailleur damping structure in accordance with an embodiment of the present invention.
The labels in the figures illustrate:
1. a P joint seat; 11. a first abdicating groove; 12. a second abdicating groove; 13. positioning a groove; 2. a one-way bearing assembly; 21. a shaft connecting block; 22. a one-way bearing body; 23. a bearing housing; 24. an annular housing; 25. an annular flange; 26. rolling the holes; 27. rolling needles; 3. a P joint axis; 31. fastening a bolt; 4. a friction structure; 41. a first friction plate; 42. a second friction plate; 43. positioning a block; 5. a P joint cover; 6. and a clamp spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items and includes such combinations.
With reference to fig. 1 and 2, an embodiment of the present invention provides a bicycle transmission damping structure, including:
a joint seat P1;
the one-way bearing assembly 2 is embedded in the P joint seat 1;
a P joint shaft 3, wherein the P joint shaft 3 passes through the P joint seat 1 and is coaxially arranged with the one-way bearing assembly 2;
a friction structure 4 is arranged between the one-way bearing assembly 2 and the P-joint seat 1, so that when the P-joint shaft 3 rotates along a first direction, the one-way bearing assembly 2 is in frictionless contact with the friction structure 4, and when the P-joint shaft 3 rotates along a second direction, the one-way bearing assembly 2 and the friction structure 4 generate friction force, wherein the rotation directions of the first direction and the second direction are opposite.
Referring to fig. 2 and 3, it should be noted that the P-joint seat 1 is used to connect with the base member and the chain guide member respectively in the rear derailleur, and in this embodiment, the one-way bearing assembly 2 is embedded in the P-joint seat 1, and the one-way bearing assembly 2 is connected with the P-joint seat 1 through the P-joint shaft 3, that is, the one-way bearing assembly 2 will rotate with the P-joint seat 1 without being separated from the P-joint seat 1, wherein the P-joint shaft 3 is used to be fixedly connected with the chain guide member.
The present application solves the above-mentioned problems by providing the friction structure 4 between the one-way bearing assembly 2 and the P-joint seat 1, specifically, when the P-joint shaft 3 rotates in a first direction (e.g., clockwise), the one-way bearing assembly 2 will not generate friction with the friction structure 4, and when the P-joint shaft 3 rotates in a second direction (e.g., counterclockwise), the one-way bearing assembly 2 will generate friction with the friction structure 4, that is, when the bicycle is ridden in a rugged terrain, the friction structure 4 will block the chain guide member and the P-joint shaft 3 from rotating in the second direction (e.g., counterclockwise), thereby reducing the occurrence of undesirable slack in the chain.
It should be understood that the amount of friction force generated between the one-way bearing assembly 2 and the friction structure 4 is adjustable, for example, by the material of the friction structure 4, the contact area between the friction structure 4 and the one-way bearing assembly 2, etc., and thus will not be further described herein.
With reference to fig. 2 and fig. 3, in a specific embodiment, the P joint seat 1 is provided with a first abdicating groove 11 and a second abdicating groove 12 which are communicated, the one-way bearing assembly 2 is embedded in the first abdicating groove 11, the P joint shaft 3 at least partially passes through the second abdicating groove 12 and is connected with the one-way bearing assembly 2, wherein the friction structure 4 includes a first friction plate 41 located between the one-way bearing assembly 2 and the bottom of the first abdicating groove 11.
In this embodiment, the first abdicating groove 11 and the second abdicating groove 12 are both extended along the length direction of the P joint shaft 3, wherein the first abdicating groove 11 is used for mounting the one-way bearing assembly 2 and the first friction plate 41, and the second abdicating groove 12 is used for the P joint shaft 3 to penetrate through, in this embodiment, the first friction plate 41 is disposed in a circular ring shape, and a protruding ring is disposed at a communication position between the first abdicating groove 11 and the second abdicating groove 12, and at least a part of the first friction plate 41 is sleeved on the protruding ring, so as to play a role of positioning, wherein the first friction plate 41 is disposed in a ring shape, which is beneficial to increase the contact area between the one-way bearing assembly 2 and the first friction plate 41, that is, i.e., increase the friction degree between the one-way bearing assembly 2 and the P joint base 1.
It should be noted that, during manufacturing, according to actual needs, the first friction plate 41 may be obtained by a plurality of block-shaped sub first friction plates 41, that is, the effect of the first friction plate 41 may also be achieved by the plurality of sub first friction plates 41, so that the present application is not described again.
In a specific embodiment, the friction structure 4 includes a second friction plate 42 located between the one-way bearing assembly 2 and the sidewall of the first receding groove 11.
In this embodiment, the second friction plate 42 is also annularly disposed, the second friction plate 42 is sleeved on the outer peripheral side of the one-way bearing assembly 2 and is abutted against the side wall of the first receding groove 11, so as to further increase the friction degree between the one-way bearing assembly 2 and the first receding groove 11, and meanwhile, the load of the single first friction plate 41 can be reduced by using the first friction plate 41 and the second friction plate 42 in a matching manner, so as to prolong the service life of the first friction plate 41.
It should be noted that the second friction plate 42 may be directly sleeved on the one-way bearing assembly 2, may also be fixed to the one-way bearing assembly 2 in a bonding or bolting manner, or may also be fixed to the P-joint seat 1 in a bonding or bolting manner, which is not limited in this application.
Referring to fig. 2 and 3, in an embodiment, the first friction plate 41 is a metal washer or a plastic washer, and the second friction plate 42 is a metal washer or a plastic washer.
In this embodiment, that is, the first friction plate 41 and the second friction plate 42 of the present application may be made of the same material, or may be made of different materials, and besides two materials, i.e., metal and plastic, the first friction plate 41 and the second friction plate 42 of the present application may also be made of other materials, so long as the effect of generating friction with the one-way bearing assembly 2 is achieved, so that the present application is not described again.
In a specific embodiment, the one-way bearing assembly 2 comprises a shaft connecting block 21, a one-way bearing body 22 and a bearing shell 23 which are arranged from inside to outside in sequence;
the P-joint shaft 3 is at least partially embedded in a central hole of the shaft connecting block 21;
the one-way bearing body 22 is fixedly connected with the bearing shell 23;
the upper side surface of the first friction plate 41 abuts against the lower end surface of the bearing outer shell 23, and the inner side surface of the second friction plate 42 abuts against the outer side surface of the bearing outer shell 23;
when the P-joint shaft 3 rotates in a first direction, the shaft connecting block 21 and the one-way bearing body 22 rotate, the bearing housing 23 is in friction-free contact with the friction structure 4, when the P-joint shaft 3 rotates in a second direction, the shaft connecting block 21, the one-way bearing body 22 and the bearing housing 23 rotate synchronously, and the bearing housing 23 and the friction structure 4 generate friction force.
In the present embodiment, the one-way bearing body 22 is sleeved on the shaft connecting block 21, and the bearing shell 23 is sleeved on the bearing shell 23, wherein the one-way bearing body 22 and the bearing shell 23 can be fixed by interference fit, it should be understood that the one-way bearing body 22 is provided with a plurality of rolling cavities 26, and each rolling cavity 26 is provided with a roller, a needle roller 27 or a ball, so that the roller, the needle roller 27 or the ball can only roll in one direction, and a great resistance force can be generated in the other direction.
Specifically, after one end of the P-joint shaft 3 extends into the central hole of the shaft connecting block 21, it is fixed to the shaft connecting block 21 through the fastening bolt 31, so that when the P-joint shaft 3 rotates along the first direction, the shaft connecting block 21 rotates with the one-way bearing body 22, that is, the bearing housing 23 is relatively stationary with the P-joint seat 1 and the friction structure 4, that is, the bearing housing 23 is not in friction contact with the friction structure 4, and the two do not generate friction force, and when the P-joint shaft 3 rotates along the second direction, the shaft connecting block 21, the one-way bearing body 22, and the bearing housing 23 are relatively fixed with the P-joint seat 1 and the friction structure 4 based on the resistance between the roller, the roller needle 27, or the ball and the shaft connecting block 21, so that the shaft connecting block 21, the one-way bearing body 22, and the bearing housing 23 rotate with the P-joint seat 1 and the friction structure 4, and the friction structure 23 generates friction force with the friction structure 4, in other words, the friction structure 4 hinders the P-joint shaft connecting block 3 from rotating along the second direction.
With reference to fig. 2 and fig. 3, in a specific embodiment, the bearing housing 23 includes an annular housing 24 and an annular flange 25 fixedly disposed at a lower end of the annular housing 24, an upper side of the annular flange 25 is disposed to be inclined outward and downward, wherein an upper side of the first friction plate 41 abuts against a lower side of the annular flange 25, and an inner side of the second friction plate 42 abuts against an upper side of the bearing housing 23.
In this embodiment, the annular flange 25 is integrally formed at the outer lower end of the annular casing 24, and the bottom area of the bearing housing 23 is increased by the annular flange 25, so that the contact area between the bearing housing 23 and the first friction plate 41 is increased, and the weight of the bearing housing 23 is reduced to a certain extent, wherein the upper side of the annular flange 25 has a slope, so that the annular flange 25 can position and limit the second friction plate 42 sleeved on the bearing housing 23, and meanwhile, the annular flange 25 also increases the contact area between the second friction plate 42 and the bearing housing 23.
In a specific embodiment, a plurality of positioning grooves 13 are arranged inside the first receding groove 11;
the first friction plate 41 and the second friction plate 42 are both provided with a positioning block 43 for being embedded in the positioning groove 13.
In this embodiment, the positioning groove 13 is provided with a plurality of, and arrange in circumference on the inboard of first groove 11 of stepping down, and the same reason, the locating piece 43 on the first friction disc 41, the locating piece 43 on the second friction disc 42 also is provided with a plurality ofly, be used for respectively corresponding with positioning groove 13, when the installation, directly aim at the positioning groove 13 and imbed with the locating piece 43 on the first friction disc 41, make first friction disc 41 can slide down to first groove 11 bottom of stepping down, then in the first groove 11 of stepping down of unidirectional bearing assembly 2 embedding, aim at the positioning groove 13 and imbed with the locating piece 43 on the second friction disc 42 at last, make second friction disc 42 can slide down until conflicting with annular flange 25, through the cooperation use of locating piece 43 and positioning groove 13, can be with first friction disc 41 and second friction disc 42 and P joint chair 1 relatively fixed.
The first friction plate 41 and the second friction plate 42 may be fixed to the P-joint seat 1 by bonding or bolting.
In a specific embodiment, the top of the first avoiding groove 11 is detachably connected with a P joint cover 5, which is used for sealing the opening of the first avoiding groove 11 and for abutting the second friction plate 42 against the bearing outer shell 23.
In this embodiment, the P-joint cover 5 is screwed on the top of the first abdicating groove 11 to seal the space in the first abdicating groove 11, so as to achieve the purpose of blocking dust for the one-way bearing assembly 2; meanwhile, after the inner end of the P joint cover 5 is embedded into the first receding groove 11 by a certain depth, the inner end abuts against the upper side of the second friction plate 42, so that the second friction plate 42 abuts against the annular flange 25, and the one-way bearing body 22 abuts against the first friction plate 41.
In a specific embodiment, the one-way bearing body 22 is sleeved on the shaft connecting block 21, and a snap spring 6 for limiting the one-way bearing body 22 to slide is embedded at the upper end of the shaft connecting block 21.
In this embodiment, the upper end of the shaft connecting block 21 is provided with an embedded groove for at least partially embedding the snap spring 6, and the snap spring 6 is embedded into the embedded groove and then is abutted against the upper side of the one-way bearing body 22, that is, the snap spring 6 can play a role in limiting the one-way bearing body 22 to slide along the axis direction of the shaft connecting block 21, so that the one-way bearing body 22 is prevented from being separated from the shaft connecting block 21.
The embodiment of the present invention further provides a rear derailleur, comprising a base member (not shown), a chain guide member (not shown) and a bicycle transmission damping structure as described above, wherein the P-joint seat 1 is connected to the base member through an articulated quadrilateral member (not shown), and the P-joint seat 1 is rotatably disposed at one end of the chain guide member;
wherein one end of the P-joint shaft 3 is fixed to one end of the chain guide member.
In this embodiment, the chain guide member is used for connecting with the chain, the bicycle is during riding in rugged topography, jolt and vibrations can make the chain receive the shake, thereby it rotates along second direction (anticlockwise) to drive the chain guide member, this moment, because chain guide member and the articulated axle 3 relatively fixed of P, so the articulated axle 3 of P can order about the axle connecting block 21 and take place to rotate, axle connecting block 21 and then drive one-way bearing body 22 and bearing housing 23 and rotate, make friction structure 4 can appear rotating relatively with the bearing body, and then make both produced frictional forces can obstruct bearing housing 23, one-way bearing body 22, axle connecting block 21 and chain guide member take place to rotate, in a word, the rear derailleur of this application can realize one-way damping's effect.
An embodiment of the present invention further provides a bicycle, including as above rear derailleur and bicycle body (not shown), the rear derailleur set up in on the bicycle body.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A bicycle derailleur damping structure, comprising:
a P joint seat (1);
the one-way bearing assembly (2), the one-way bearing assembly (2) is embedded in the P joint seat (1);
the P-shaped joint shaft (3) penetrates through the P-shaped joint seat (1) and is coaxially arranged with the one-way bearing assembly (2);
a friction structure (4) is arranged between the one-way bearing assembly (2) and the P joint seat (1), when the P joint shaft (3) rotates along a first direction, the one-way bearing assembly (2) is in non-friction contact with the friction structure (4), and when the P joint shaft (3) rotates along a second direction, the one-way bearing assembly (2) and the friction structure (4) generate friction force, wherein the rotating directions of the first direction and the second direction are opposite.
2. The bicycle shifter damping structure of claim 1, wherein: the joint seat (1) of P is provided with the first groove of stepping down (11) that is linked together, one-way bearing assembly (2) are inlayed and are located in the first groove of stepping down (11), the joint shaft of P (3) at least part is passed the joint seat of P (1) and with one-way bearing assembly (2) are connected, wherein, friction structure (4) are including being located one-way bearing assembly (2) and first friction disc (41) between the bottom of the groove of stepping down (11).
3. The bicycle shifter damping structure of claim 2, wherein: the friction structure (4) comprises a second friction plate (42) located between the one-way bearing assembly (2) and the side wall of the first abdicating groove (11).
4. The bicycle shifter damping structure of claim 3, wherein: the first friction plate (41) is a metal washer or a plastic washer, and the second friction plate (42) is a metal washer or a plastic washer.
5. The bicycle shifter damping structure of claim 3, wherein: the one-way bearing assembly (2) comprises a shaft connecting block (21), a one-way bearing body (22) and a bearing shell (23) which are sequentially arranged from inside to outside;
the P-joint shaft (3) is at least partially embedded in a central hole of the shaft connecting block (21);
the one-way bearing body (22) is fixedly connected with the bearing shell (23);
the upper side surface of the first friction plate (41) is abutted against the lower end surface of the bearing outer shell (23), and the inner side surface of the second friction plate (42) is abutted against the outer side surface of the bearing outer shell (23);
when the P joint shaft (3) rotates along a first direction, the shaft connecting block (21) and the one-way bearing body (22) rotate, the bearing shell (23) is in friction-free contact with the friction structure (4), when the P joint shaft (3) rotates along a second direction, the shaft connecting block (21), the one-way bearing body (22) and the bearing shell (23) synchronously rotate, and the bearing shell (23) and the friction structure (4) generate friction force.
6. The bicycle shifter damping structure of claim 5, wherein: the bearing shell (23) comprises an annular shell (24) and an annular flange (25) fixedly arranged at the lower end of the annular shell (24), the upper side surface of the annular flange (25) is arranged in an outward and downward inclined mode, the upper side surface of the first friction plate (41) is abutted against the lower end surface of the annular flange (25), and the inner side surface of the second friction plate (42) is abutted against the upper side surface of the bearing shell (23);
a plurality of positioning grooves (13) are formed in the inner side of the first abdicating groove (11);
the first friction plate (41) and the second friction plate (42) are respectively provided with a positioning block (43) which is embedded into the positioning groove (13).
7. The bicycle shifter damping structure of claim 5, wherein: the top of the first abdicating groove (11) is detachably connected with a P joint cover (5) which is used for sealing the opening of the first abdicating groove (11) and tightly pressing the second friction plate (42) against the bearing shell (23).
8. The bicycle shifter damping structure of claim 5, wherein: the one-way bearing body (22) is sleeved on the shaft connecting block (21), and a clamp spring (6) used for limiting the sliding of the one-way bearing body (22) is embedded at the upper end of the shaft connecting block (21).
9. A rear derailleur, characterized by: comprising a base member, a chain guide member and a bicycle derailleur damping structure according to any one of claims 1 to 8, said P-joint seat (1) being connected to said base member by means of an articulated quadrilateral member, said P-joint seat (1) being rotatably arranged at one end of said chain guide member;
wherein one end of the P-joint shaft (3) is fixed to one end of the chain guide member.
10. A bicycle, characterized in that: comprising a rear derailleur and a bicycle body as recited in claim 9, said rear derailleur being disposed on said bicycle body.
CN202221694478.5U 2022-06-30 2022-06-30 Bicycle derailleur damping structure, rear derailleur and bicycle Active CN217754015U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221694478.5U CN217754015U (en) 2022-06-30 2022-06-30 Bicycle derailleur damping structure, rear derailleur and bicycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221694478.5U CN217754015U (en) 2022-06-30 2022-06-30 Bicycle derailleur damping structure, rear derailleur and bicycle

Publications (1)

Publication Number Publication Date
CN217754015U true CN217754015U (en) 2022-11-08

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Application Number Title Priority Date Filing Date
CN202221694478.5U Active CN217754015U (en) 2022-06-30 2022-06-30 Bicycle derailleur damping structure, rear derailleur and bicycle

Country Status (1)

Country Link
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