CN220349886U

CN220349886U - Bicycle fluted disc

Info

Publication number: CN220349886U
Application number: CN202321819946.1U
Authority: CN
Inventors: 岳可心
Original assignee: Tianjin Qixingshun Hardware Products Co ltd
Current assignee: Tianjin Qixingshun Hardware Products Co ltd
Priority date: 2023-07-12
Filing date: 2023-07-12
Publication date: 2024-01-16
Anticipated expiration: 2033-07-12

Abstract

The utility model belongs to the technical field of bicycle fluted discs, in particular to a bicycle fluted disc which comprises a disc body, wherein a plurality of convex teeth are uniformly and equidistantly connected to the outer surface wall of the disc body, fixed blocks are symmetrically connected to the front surface wall of the disc body, bolt grooves are formed in the front surface wall of the fixed blocks, butt joint fixing structures are symmetrically arranged on two sides of each bolt groove, and a lubricating structure is arranged in the disc body. According to the utility model, by arranging the butt joint fixing structure, the effect of pre-fixing can be achieved when the crank is connected with the fluted disc, so that the bolt groove on the connecting component is accurately butted with the bolt groove on the fixing block, the problem that the bolt slides when the bolt is screwed due to inaccurate butt joint is solved, the smoothness when the bolt is screwed is effectively improved, the lubricating structure is arranged to lubricate the chain and the convex teeth, and the problem that the chain falls off or breaks due to large friction force caused by grease consumption after long-time use is solved.

Description

Bicycle fluted disc

Technical Field

The utility model relates to the technical field of bicycle fluted discs, in particular to a bicycle fluted disc.

Background

The bicycle can be used for riding instead of walking and body building, and the bicycle can be used for riding instead of walking, and can be advanced by stepping on the bicycle by manpower, so that the problems of exhaust emission, additional fuel use and the like are naturally avoided, and because the bicycle is ridden with such a plurality of benefits, the bicycle can be rolled up around the world in recent years by the movement wind and the air of the bicycle, and the industry is vigorous development of governments of various countries, so that the bicycle can be used for restraining the use amount of the automobile and the locomotive, and the number of components formed on the bicycle is increased, wherein the fluted disc is an indispensable item.

The prior art has the following problems:

1. when the crank is connected with the fluted disc, the crank is directly attached to one side of the fluted disc, the mode easily causes inaccurate butt joint of the two bolt holes, so that the bolt is easy to slide when the bolt is screwed, meanwhile, the screw is not smooth when the bolt is screwed, and the connection difficulty and time of the disc body and the crank are increased;

2. after the chain is meshed with the convex teeth for a period of time, the lubricating grease on the component can be reduced, so that the friction force between the chain and the convex teeth is increased, the chain is separated or broken, although the external lubricating oil injection mode is adopted at present for adding, if the external lubricating oil injection mode is used carelessly, the lubricating oil is caused to drop at will elsewhere, and the waste to the lubricating oil is increased.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a bicycle fluted disc, which solves the problems that in the prior art, a crank is directly attached to one side of the fluted disc, the butt joint of two bolt holes is inaccurate easily caused by the mode, the bolt is easy to slide when the bolt is screwed, meanwhile, the screw is not smooth when the bolt is screwed, the lubricating grease on a part can be reduced in components after a period of use, the friction force between a chain and a convex tooth is increased, and the chain is fallen or broken.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bicycle fluted disc, includes the dish body, the exterior wall equidistance and the even a plurality of dogtooth that is connected with of dish body, and the preceding table wall symmetry of dish body is connected with the fixed block, the bolt groove has been seted up to the preceding table wall of fixed block, the both sides symmetry of bolt groove is equipped with butt joint fixed knot and constructs, the inside of dish body is equipped with lubricating structure.

As a preferable technical scheme of the utility model, the butt joint fixing structure comprises a butt joint block fixedly connected to the front surface wall of the fixing block, the front end of the butt joint block is rotationally connected with a rotation clamping plate, the end face, close to the butt joint block, of the rotation clamping plate is connected with a rotating rod, one end of the rotating rod is provided with a bearing, and the bearing is arranged in the butt joint block.

As a preferable technical scheme of the utility model, a caulking groove is formed in the middle position of the front surface wall of the rotary clamping plate, and the caulking groove is arc-shaped.

As a preferable technical scheme of the utility model, the lubricating structure comprises an oil storage tank arranged on the inner wall of the disc body, wherein an oil outlet tank is arranged on the outer part of the oil storage tank and on the inner wall of the convex teeth, the oil outlet tanks are uniformly distributed at equal intervals, sponge blocks are arranged in the oil outlet tank, and the outer diameter size of the sponge blocks is matched with the inner diameter size of the oil outlet tank.

As a preferable technical scheme of the utility model, the front surface wall of the disc body is provided with an oil inlet, and the front end of the oil inlet is inserted with a plug block.

Compared with the prior art, the utility model provides the bicycle fluted disc, which has the following beneficial effects:

1. this bicycle fluted disc through setting up butt joint fixed knot and construct, when crank and the pan body coupling, butt joint piece is docked with the butt joint groove of coupling assembling and crank on, after the card is gone into, and handheld rotation rotates the cardboard, and the bull stick rotates in the bearing, can be with rotating the cardboard by horizontal conversion into vertical, can play fixed effect in advance, makes the accurate butt joint of bolt groove on its coupling assembling and the bolt groove on the fixed block, has prevented that the butt joint is inaccurate and lead to screwing the problem that the smooth silk appears in the bolt when screwing, simultaneously, also effectually improved the smoothness when screwing the bolt, reduced pan body and the cranked degree of difficulty of being connected and time.

2. This bicycle fluted disc, through setting up lubricating structure, when the fluted disc uses, pull out the chock, pour into the oil storage tank with lubricating oil through the oil inlet in, then in the lubricating oil inflow goes out the oil groove, finally through the oil absorption performance of sponge piece, lubricating oil flows to the top of dogtooth, can play lubricated effect between chain and the dogtooth, prevented that the lubricating grease consumption from causing frictional force big and leading to causing the chain to drop or cracked problem after long-time use, solved current mode that adopts outside injection to cause the injection too much and lead to the random drip of lubricating oil elsewhere problem, in addition, also avoid causing extravagant to lubricating oil.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic plan sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the docking and fixing structure of the present utility model;

fig. 4 is an enlarged schematic view of the lubrication structure of the present utility model.

In the figure: 1. a tray body; 2. convex teeth; 3. a fixed block; 4. a bolt slot; 5. a butt joint fixing structure; 51. a butt joint block; 52. rotating the clamping plate; 53. a rotating rod; 54. a bearing; 55. a caulking groove; 6. a lubrication structure; 61. an oil storage tank; 62. an oil outlet groove; 63. a sponge block; 64. an oil inlet; 65. a chock.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, in the present embodiment: the utility model provides a bicycle fluted disc, includes dish body 1, and the exterior wall equidistance and the even of dish body 1 are connected with a plurality of dogtooth 2, mesh with the chain, and the preceding surface wall symmetry of dish body 1 is connected with fixed block 3, and bolt groove 4 has been seted up to the preceding surface wall of fixed block 3 for connect the crank, the bilateral symmetry of bolt groove 4 is equipped with butt joint fixed knot and constructs 5, and the inside of dish body 1 is equipped with lubricating structure 6.

In this embodiment, the docking fixing structure 5 includes a docking block 51 fixedly connected to the front surface wall of the fixing block 3, the front end of the docking block 51 is rotationally connected with a rotating clamping plate 52, the end surface of the rotating clamping plate 52, which is close to the docking block 51, is connected with a rotating rod 53, one end of the rotating rod 53 and the inside of the docking block 51 are provided with a bearing 54, which plays a role in pre-fixing, so that the bolt groove 4 on the connecting component of the docking fixing structure is accurately docked with the bolt groove 4 on the fixing block 3, the problem that the bolt slides when being screwed due to inaccurate docking is prevented, and meanwhile, the smoothness when the bolt is screwed is also effectively improved; a caulking groove 55 is formed in the middle position of the front surface wall of the rotating clamping plate 52, the caulking groove 55 is arc-shaped, and when the rotating clamping plate 52 is small in size and inconvenient to be screwed in a handheld manner, a tool can be used for inserting the tool into the caulking groove 55 to rotate, so that the rotation of the rotating clamping plate 52 is completed; the lubricating structure 6 comprises an oil storage tank 61 arranged on the inner wall of the disc body 1, an oil outlet tank 62 is arranged on the outer part of the oil storage tank 61 and on the inner wall of the convex teeth 2, the oil outlet tanks 62 are uniformly distributed at equal intervals, sponge blocks 63 are arranged in the oil outlet tank 62, the outer diameter size of each sponge block 63 is matched with the inner diameter size of each oil outlet tank 62, the lubricating structure plays a role in lubricating a chain and the convex teeth 2, the problem that the chain falls off or breaks due to large friction force caused by the consumption of lubricating grease after long-time use is solved, and the problem that lubricating oil drops at will due to excessive injection caused by the existing external injection mode is solved; the front surface wall of the disc body 1 is provided with an oil inlet 64, the front end of the oil inlet 64 is inserted with a plug block 65, lubricating oil can be injected into the oil inlet 64, and after the lubricating oil is injected, the plug block 65 is plugged, so that the lubricating oil can be prevented from overflowing.

The working principle and the using flow of the utility model are as follows: when the crank is connected with the disc body 1, the butt joint block 51 is in butt joint with the butt joint groove of the connecting assembly on the crank, after being clamped in, the rotating clamping plate 52 is held by hand and rotated, the rotating rod 53 rotates in the bearing 54, the rotating clamping plate 52 can be transversely converted into a vertical state, the effect of pre-fixing can be achieved, the bolt groove 4 on the connecting assembly and the bolt groove 4 on the fixed block 3 are accurately in butt joint, the problem that sliding wires appear in the bolts when the butt joint is not accurate and screwing is caused is solved, in addition, when the fluted disc is used, the plug block 65 is pulled down, lubricating oil is injected into the oil storage groove 61 through the oil inlet 64, then the lubricating oil flows into the oil outlet groove 62, finally, through the oil absorbing performance of the sponge block 63, the lubricating oil flows to the top of the convex tooth 2, the problem that the lubricating grease is caused to drop or break due to large friction force after long-time use is prevented, the problem that the lubricating oil is caused to drop or break due to excessive injection is solved, and in addition, the problem that the lubricating oil is caused to waste is avoided.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Bicycle chainring, comprising a chainring body (1), characterized in that: the novel wire coil is characterized in that a plurality of convex teeth (2) are uniformly connected to the outer surface wall of the coil body (1) at equal intervals, fixing blocks (3) are symmetrically connected to the front surface wall of the coil body (1), bolt grooves (4) are formed in the front surface wall of each fixing block (3), butt joint fixing structures (5) are symmetrically arranged on two sides of each bolt groove (4), and lubricating structures (6) are arranged inside the coil body (1).

2. The bicycle chainring of claim 1, wherein: the butt joint fixed knot constructs (5) including fixed connection in butt joint piece (51) of fixed block (3) front surface wall, the front end rotation of butt joint piece (51) is connected with rotation cardboard (52), the terminal surface that rotates cardboard (52) and is close to butt joint piece (51) is connected with bull stick (53), the one end of bull stick (53) just is located the inside of butt joint piece (51) and is equipped with bearing (54).

3. The bicycle chainring of claim 2, wherein: the middle position of the front surface wall of the rotating clamping plate (52) is provided with a caulking groove (55), and the caulking groove (55) is arc-shaped.

4. The bicycle chainring of claim 1, wherein: the lubricating structure (6) comprises an oil storage tank (61) arranged on the inner wall of the disc body (1), an oil outlet tank (62) is arranged on the outer portion of the oil storage tank (61) and on the inner wall of the convex tooth (2), the oil outlet tank (62) is uniformly distributed at equal intervals, a sponge block (63) is arranged in the oil outlet tank (62), and the outer diameter size of the sponge block (63) is matched with the inner diameter size of the oil outlet tank (62).

5. The bicycle chainring of claim 1, wherein: the front surface wall of the disc body (1) is provided with an oil inlet (64), and the front end of the oil inlet (64) is inserted with a plug block (65).