CN216916173U

CN216916173U - Bowl group and bicycle

Info

Publication number: CN216916173U
Application number: CN202122734733.6U
Authority: CN
Inventors: 刘小强; 符启宇; 肖敏; 耿军华; 曹双华; 李青勇
Original assignee: Mobai Beijing Information Technology Co Ltd
Current assignee: Mobai Beijing Information Technology Co Ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-07-08
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a bowl group and a bicycle, wherein the bowl group comprises: the bowl cover, the ball nest ball, the dustproof snap spring and the rotary plug are coaxially arranged, one side of the bowl cover is open, the other side of the bowl cover is provided with a through hole, a fixed groove is formed in the inner wall of the bowl cover along the circumferential direction of the bowl cover, the dustproof snap spring is embedded in the fixed groove, the ball nest ball is movably arranged between the dustproof snap spring and the bowl cover on the circumferential side of the through hole, the rotary plug is arranged at the opening of the bowl cover, and the rotary plug and the ball nest ball can rotate relatively; the dustproof clamp spring is provided with an opening, a plastic layer is arranged on the outer wall of the dustproof clamp spring, the dustproof clamp spring is mounted in the fixed groove in an interference fit mode, and the plastic layer is located on two sides of the opening and is tightly connected with the plastic layer.

Description

Bowl group and bicycle

Technical Field

The utility model relates to the technical field of bicycles, in particular to a bowl group and a bicycle.

Background

The bicycle is a green and environment-friendly vehicle, people who select the bicycle to go out are more and more, especially vehicles similar to a sharing bicycle and the like, and the best choice for many people to go home for the last kilometer is achieved. An indispensable component of the bicycle is a bowl group, which is an important part for connecting the front fork assembly and the handlebar assembly and is also a key for enabling the handlebar and the front fork to rotate smoothly in the head pipe.

The service environment and the storage environment of the bicycle are usually outdoor, so that a large amount of dust or silt inevitably enters the bowl group, the internal structure of the bowl group is abraded, the steering of the bicycle is difficult, and even the bowl group is damaged finally and needs to be maintained and replaced.

Therefore, the dustproof sheet is usually arranged in the bowl group in the prior art, so that dust is prevented from entering the bowl group, but the dustproof sheet is easy to age and fall off along with the increase of the service time, and the dustproof effect is lost. And because the dustproof piece sets up in bowl group inside, the user is difficult for noticing the damage of dustproof piece, can lead to bowl group life to reduce like this, has not only reduced user's the experience of riding, and the in-process of changing bowl group in the maintenance especially can consume user's time and money simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a new technical scheme of a bowl group and a bicycle.

In a first aspect, an embodiment of the present application provides a bowl group, including: the bowl cover, the ball nest ball, the dustproof snap spring and the rotary plug are coaxially arranged, one side of the bowl cover is open, the other side of the bowl cover is provided with a through hole, a fixed groove is formed in the inner wall of the bowl cover along the circumferential direction of the bowl cover, the dustproof snap spring is embedded in the fixed groove, the ball nest ball is movably arranged between the dustproof snap spring and the bowl cover on the circumferential side of the through hole, the rotary plug is arranged at the opening of the bowl cover, and the rotary plug and the ball nest ball can rotate relatively;

the dustproof clamp spring is provided with an opening, a plastic layer is arranged on the outer wall of the dustproof clamp spring, the dustproof clamp spring is mounted in the fixed groove in an interference fit mode, and the plastic layer is located on two sides of the opening and is tightly connected with the plastic layer.

Optionally, the dustproof jump ring orientation one side of the open end of bowl lid is provided with the support portion, the support portion orientation the open end of bowl lid extends and to the central line direction of bowl lid is buckled, the support portion is used for supporting the top the rotary plug.

Optionally, the dustproof clamp spring has elasticity, the dustproof clamp spring is extruded, and the size of the opening is reduced.

Optionally, the diameter of the inner wall of the bowl cover close to the through hole is gradually reduced to form an arc surface, and the ball nest ball is arranged at the arc surface.

Optionally, the rotary plug includes a first insertion end and a first stop end, the insertion end is provided with a sliding surface, the sliding surface and the ball of the ball nest slide relatively, and the bearing portion abuts against the first stop end.

Optionally, the bowl cover comprises a second insertion end and a second stopping end, the through hole is formed in one side of the second insertion end, the ball bearing of the ball nest is arranged in the insertion end, and the opening is formed in one side of the second stopping end.

In a second aspect, the embodiment of the application provides a bicycle, including the head pipe, the both ends mirror image of head pipe is provided with above-mentioned arbitrary bowl group, part the bowl lid is fixed in the port department of head pipe.

Optionally, the bicycle still includes breeches pipe, handlebar subassembly and front fork subassembly, the breeches pipe connect in the handlebar subassembly with between the front fork subassembly, the breeches pipe passes two the bowl group with the head pipe, the breeches pipe with be fixed connection and synchronous rotation between the commentaries on classics stopper.

Optionally, the plug and the ball of the ball nest rotate relatively with the rotation of the handlebar assembly or the front fork assembly.

Optionally, the bowl cover comprises a second insertion end and a second stopping end, the through hole is formed in one side of the second insertion end, the ball nest ball is arranged in the insertion end, and the opening is formed in one side of the second stopping end;

the second insertion end is inserted into an end of the head tube.

The inventor of the utility model finds that in the prior art, as the dustproof sheet is easy to wear and loosen, dust, silt and the like enter the bowl group, the bowl group is worn and even fails, and the riding experience of a user is influenced. Therefore, the technical task to be achieved or the technical problems to be solved by the present invention are never thought or anticipated by those skilled in the art, and therefore the present invention is a new technical solution.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

FIG. 1 is an exploded view of a bowl set in an embodiment of the present application;

fig. 2 is a half sectional view of fig. 1.

Reference numerals

1. A bowl cover; 11. a fixing groove; 12. a second insertion end; 13. a second stop end; 2. ball bearings of the ball nest; 3. a dustproof clamp spring; 31. an opening; 32. a bearing part; 4. plug turning; 41. a first insertion end; 42. A first stop end.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In a first aspect, as shown in fig. 1 and 2, an embodiment of the present application provides a bowl group, including: the bowl cover comprises a bowl cover 1, a ball nest ball 2, a dustproof clamp spring 3 and a rotary plug 4 which are coaxially arranged, wherein one side of the bowl cover 1 is open, a through hole is formed in the other side of the bowl cover, a fixing groove 11 is formed in the inner wall of the bowl cover 1 along the circumferential direction of the bowl cover 1, the dustproof clamp spring 3 is embedded in the fixing groove 11, the ball nest ball 2 is movably arranged between the dustproof clamp spring 3 and the bowl cover 1 on the circumferential side of the through hole, the rotary plug 4 is arranged at the open of the bowl cover 1, and the rotary plug 4 and the ball nest ball 2 can rotate relatively; the balls on the ball nest balls 2 can rotate relatively along with the rotation of the rotary plug 4, so that the smooth rotation of the rotary plug 4 is ensured.

An opening 31 is formed in the dustproof clamp spring 3, a plastic layer is arranged on the outer wall of the dustproof clamp spring 3, the dustproof clamp spring 3 is mounted to the inside of the fixing groove 11 in an interference fit mode, and the plastic layer is located on two sides of the opening 31 and tightly connected with the plastic layer. When the installation bowl group, through the dustproof jump ring 3 of extrusion, can reduce the size of opening 31, correspondingly, the size of dustproof jump ring 3 also can correspondingly reduce, makes dustproof jump ring 3 can put into bowl lid 1. When the force of the external pressing of the dustproof clamp spring 3 disappears, the dustproof clamp spring 3 can be restored to the original shape by the elasticity of the dustproof clamp spring 3, and thus the dustproof clamp spring is embedded into the fixing groove 11. Wherein, the thickness of dustproof jump ring 3 is greater than the groove width of fixed slot 11, after dustproof jump ring 3 imbeds fixed slot 11, the plastic layer on the dustproof jump ring 3 is compressed, thereby realize dustproof jump ring 3 and fixed slot 11's interference fit, can effectually avoid the pine of dustproof jump ring 3 to take off, and then the effectual bowl of having avoided is organized and gets into the dust, lead to the emergence of the condition such as bowl group's wearing and tearing inefficacy, the life of bowl group has been prolonged greatly, user's use experience is improved, the cost of user when the bowl is organized in the maintenance change has been reduced simultaneously.

Specifically, the plastic layers on the dustproof clamp springs 3 at the two ends of the opening 31 also have elasticity, and when the dustproof clamp springs 3 are installed, the plastic layers at the two ends of the opening 31 are attached to each other and are mutually extruded through extruding the dustproof clamp springs 3 until the dustproof clamp springs 3 are compressed and can be placed into the bowl cover 1. After dustproof jump ring 3 was put to fixed slot 11 in, because the diameter of fixed slot 11 is greater than the diameter of 1 inner wall of bowl lid, so, resilience can appear in dustproof jump ring 3's size, and the plastic layer of opening 31 both sides still is in the zonulae occludens state this moment, avoids the dust to get into from opening 31. Meanwhile, the structure of the bowl group is optimized, the volume and the weight of the bowl group are further reduced, and the difficulty and the cost in the production of the bicycle are reduced.

Through foretell technical scheme, reduced bowl group's volume, simultaneously can effectually prevent through dustproof jump ring 3 that the dust from getting into bowl group, and dustproof jump ring 3 intensity is higher, and is not fragile, has played fine guard action to each structure of bowl group's inside.

Optionally, the dustproof clamp spring 3 faces one side of the open end of the bowl cover 1 and is provided with a supporting part 32, the supporting part 32 faces the open end of the bowl cover 1 and extends and bends towards the central line direction of the bowl cover 1, and the supporting part 32 is used for abutting against the rotary plug 4. Can effectually carry on spacingly to the rotary plug 4 through the supporting portion 32, avoid the whole bowl lid 1 that inserts of rotary plug 4 in, lead to bowl group to damage. Simultaneously, the dustproof area of dustproof jump ring 3 can effectually be enlarged to bearing portion 32, further strengthens dustproof effect of dustproof jump ring 3.

Optionally, the dust-proof snap spring 3 has elasticity, the dust-proof snap spring 3 is pressed, and the size of the opening 31 is reduced. Elasticity that dustproof jump ring 3 can greatly reduced installation degree of difficulty, simultaneously, through the elasticity of dustproof jump ring 3 self, can further strengthen the installation intensity of dustproof jump ring 3 in fixed slot 11, simultaneously, through the interference fit of plastic layer with fixed slot 11, further avoid dustproof jump ring 3 to drop.

Optionally, the diameter of the inner wall of the bowl cover 1 near the through hole is gradually reduced to form an arc surface, and the ball bearing 2 is arranged at the arc surface. In order to avoid the ball nest ball 2 from falling off from the through hole and causing the bowl group to be damaged, the inner wall of the bowl cover 1 is designed into a shape of gradually necking to form an arc surface, so that a setting position is provided for setting the ball nest ball 2, and meanwhile, the connection strength between the bowl group and the fork tube can be enhanced.

Optionally, the rotary plug 4 includes a first insertion end 41 and a first stopping end 42, the insertion end is provided with a sliding surface, the sliding surface and the ball bearing 2 slide relatively, and the bearing portion 32 abuts against the first stopping end 42. The first insertion end 41 is used for being inserted into the bowl cover 1, meanwhile, the sliding surface can cover part of the ball bearing 2 of the ball bearing nest, and when the rotary plug 4 rotates, the sliding surface and the ball bearing in the ball bearing 2 slide relatively. When bowl group installs to the head pipe on, if the user rotates handlebar assembly, breeches pipe and front fork subassembly rotate in proper order this moment to the wheel rotation of driving and being connected with the front fork, thereby the direction of control bicycle. And the smooth and easy place that user experience is the most critical when guaranteeing to turn to of sliding between picture and the ball nest ball 2, if fall into too much dust in the ball nest ball 2 and on the picture, then lead to very easily rotating between stopper 4 and the ball nest ball 2 and be obstructed to influence user's the experience of riding, if turn to promptly when keeping away dangerous promptly in needs because the interior grit of bowl group is too much, lead to turning to smoothly, cause danger to the user very easily. So can effectually avoid the dust to get into the bowl group through dustproof jump ring 3, improve pivoted smooth and easy degree through the cooperation of picture and ball nest ball 2, further improve user's use and experience, can improve user's factor of safety simultaneously greatly.

Simultaneously, at the in-process of user's bicycle of riding, car head portion can receive great pressure, and the pressure that the bowl group received is also great, so through the bulk strength that first stopper end 42 can effectual increase bowl group, avoid the user to exert oneself too violently to make bowl group damage, lead to taking place danger.

Optionally, the bowl cover 1 includes a second insertion end 12 and a second stop end 13, the through hole is opened at one side of the second insertion end 12, the ball bearing 2 of the ball nest is arranged in the insertion end, and the opening is arranged at one side of the second stop end 13. When the bowl group is mounted on the head pipe, the second insertion end 12 is inserted into the head pipe and is matched with the corresponding clamping structure, so that the bowl group is fixed. The second stop end 13 can further improve the strength of the bowl group in the using process, and the pressure borne by the bowl group is dispersed to the head pipe, so that the service life of the bowl group is prolonged.

In a second aspect, the embodiment of the application provides a bicycle, including the head pipe, the both ends mirror image of head pipe is provided with above-mentioned arbitrary bowl group, part bowl lid 1 is fixed in the port department of head pipe. The bowl groups are arranged at the two ends of the head pipe, so that the head pipe can be kept fixed in the using process, and the handlebar assembly, the fork pipe and the front fork assembly rotate correspondingly, so that the traveling direction of the bicycle is controlled. The bowl group in the embodiment can greatly improve the dustproof effect of the bowl group, reduce the possibility that dust enters the bowl group, and improve the riding experience and riding safety of a user.

Optionally, the bicycle still includes breeches pipe, handlebar subassembly and front fork subassembly, the breeches pipe connect in the handlebar subassembly with between the front fork subassembly, the breeches pipe passes two the bowl group with the head pipe, the breeches pipe with for fixed connection and synchronous rotation between the commentaries on classics stopper 4. Synchronous rotation of the handlebar assembly and the front fork assembly is realized through the fork tube, and meanwhile, the control of the direction of the vehicle is also realized. Set up in the bowl group at head tube both ends and can effectually place the dust and get into bowl group inside and head tube, increase user's the experience of riding.

Optionally, the rotation plug 4 and the ball bearing 2 rotate relatively with the rotation of the handlebar assembly or the front fork assembly. When the handlebar assembly is rotated, the fork tube rotates along with the handlebar assembly, correspondingly, the fork tube can drive the rotating plug 4 to synchronously rotate, the rotating plug 4 and the ball nest ball 2 can not drive the head tube to rotate, and the head tube can not rotate along with the rotating plug, so that the control of the bicycle direction is realized.

Optionally, the bowl cover 1 includes a second insertion end 12 and a second stop end 13, the through hole is opened at one side of the second insertion end 12, the ball bearing 2 of the ball nest is arranged in the insertion end, and the opening is arranged at one side of the second stop end 13; the second insertion end 12 is inserted into the end of the head tube. The inserting end can be fixedly connected with the end part of the head pipe through a buckle or other modes after being inserted into the end part of the head pipe, and the bowl cover 1 and the head pipe can not rotate along with the rotation of the rotary plug 4.

Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims

1. A bowl cluster, comprising: the bowl cover, the ball nest ball, the dustproof snap spring and the rotary plug are coaxially arranged, one side of the bowl cover is open, the other side of the bowl cover is provided with a through hole, a fixed groove is formed in the inner wall of the bowl cover along the circumferential direction of the bowl cover, the dustproof snap spring is embedded in the fixed groove, the ball nest ball is movably arranged between the dustproof snap spring and the bowl cover on the circumferential side of the through hole, the rotary plug is arranged at the opening of the bowl cover, and the rotary plug and the ball nest ball can rotate relatively;

the dustproof clamp spring is characterized in that an opening is formed in the dustproof clamp spring, a plastic layer is arranged on the outer wall of the dustproof clamp spring, the dustproof clamp spring is mounted to the inside of the fixing groove in an interference fit mode, and the plastic layer is located on two sides of the opening and tightly connected with the plastic layer.

2. The bowl group according to claim 1, wherein a bearing portion is arranged on one side of the dustproof clamp spring facing the open end of the bowl cover, the bearing portion extends towards the open end of the bowl cover and bends towards the center line direction of the bowl cover, and the bearing portion is used for abutting against the plug.

3. The bowl set according to claim 1, wherein the dust-proof circlip has elasticity, pressing the dust-proof circlip, the size of the opening is reduced.

4. The bowl group according to claim 1, wherein the diameter of the inner wall of the bowl cover near the through hole is gradually reduced to form an arc surface, and the ball bearing of the ball nest is arranged at the arc surface.

5. The bowl set according to claim 2, wherein said plug includes a first insertion end and a first stop end, said insertion end being formed with a sliding surface, said sliding surface and said ball bearing of said ball nest sliding relative to each other, said bearing portion abutting against said first stop end.

6. The bowl group according to claim 1, wherein the bowl cover comprises a second insertion end and a second stopping end, the through hole is opened at one side of the second insertion end, the ball bearing of the ball nest is arranged in the insertion end, and the opening is arranged at one side of the second stopping end.

7. Bicycle, characterized in that it comprises a head tube, the two ends of which are provided with mirror images of the bowl set according to any of the claims 1-6, and part of the bowl cover is fixed at the port of the head tube.

8. The bicycle of claim 7, further comprising a fork tube, a handlebar assembly and a front fork assembly, the fork tube connected between the handlebar assembly and the front fork assembly, the fork tube passing through both the bowl sets and the head tube, the fork tube and the rotary plug being fixedly connected and rotating synchronously.

9. The bicycle of claim 8, wherein relative rotation between the plug and the ball of the ball nest occurs with rotation of the handlebar assembly or the front fork assembly.

10. The bicycle of claim 7, wherein the bowl cover comprises a second insertion end and a second stop end, the through hole is opened at one side of the second insertion end, the ball bearing of the ball nest is arranged in the insertion end, and the opening is arranged at one side of the second stop end;

the second insertion end is inserted into an end of the head tube.