High-stability transmission motorcycle chain wheel

Abstract

The utility model relates to the technical field of motorcycle transmission components, and discloses a high-stability transmission motorcycle chain wheel which comprises an outer chain wheel mechanism, an inner ring mechanism is connected in the outer chain wheel mechanism, and the outer chain wheel mechanism comprises a transmission chain wheel sleeve. According to the utility model, a multi-stage welding reinforcing structure design is adopted, the transmission chain wheel comprises a driving shaft assembling sleeve on the inner side, a connecting sleeve is fixedly welded on the outer side of the driving shaft assembling sleeve, an embedding ring is fixedly connected to the annular outer wall of the connecting sleeve, and the same transmission chain wheel sleeve is fixedly welded on the outer surface of the embedding ring and the annular outer wall of the connecting sleeve; the driving shaft assembling sleeve, the connecting sleeve, the embedding ring and the transmission chain wheel sleeve are concentrically arranged, compared with an integrally-formed structural design, if the welding quality is ideal, no welding defect exists, when the axial tensile load is borne, the structural strength of the two welded plates can be higher, and after long-time use, the service life of the two plates is prolonged. And high-stability transmission work can be better guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to motorcycle transmission assembly technical field, concretely is a kind of high-stability transmission motorcycle sprocket. BACKGROUND

[0002] Motorcycle sprocket is the key component in motorcycle transmission system, mainly including driving sprocket (installed on engine output shaft) and driven sprocket (generally installed on the hub of motorcycle rear wheel). The two sprockets are connected by chain, realizing the transmission of engine power to wheel, thereby driving motorcycle forward or backward.

[0003] The existing motorcycle sprocket still has the following problems when in use: most of the motorcycle sprockets are designed in an integral forming structure, which mainly relies on the structural strength of the material itself, and since a plurality of through grooves or through holes are usually formed on the outer surface thereof, the overall structural strength is affected, thereby affecting the overall service life, and after long-term use, it cannot guarantee high-stability transmission work. UTILITY MODEL CONTENTS

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a high-stability transmission motorcycle sprocket, which solves the problems raised in the background art.

[0006] (II) Technical scheme

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high-stability transmission motorcycle sprocket, comprising an outer sprocket mechanism, an inner ring mechanism is connected in the outer sprocket mechanism, the outer sprocket mechanism comprises a transmission sprocket sleeve, a fitting groove is formed in the middle position of the annular inner side wall of the transmission sprocket sleeve, the inner ring mechanism comprises a connecting sleeve fixedly welded to the annular inner wall of the transmission sprocket sleeve, the inner ring mechanism further comprises a fitting ring fixedly welded in the fitting groove, the annular inner wall of the fitting ring is fixedly welded to the annular outer wall of the connecting sleeve, a through groove is formed between the front and rear side walls of the connecting sleeve, and a driving shaft assembly sleeve is fixedly welded in the through groove, a plurality of through holes are formed between the front and rear side walls of the connecting sleeve and outside the through groove in a ring-shaped equiangular manner.

[0008] As a further scheme of the utility model: the fitting groove is a tapered groove with a narrow opening outside and a wide opening inside, and the fitting ring is arranged in a thick-outer-thin-inner manner.

[0009] As a further scheme of the utility model: a matching key groove is formed on the upper side of the inner side wall of the driving shaft assembly sleeve, a group of matching tooth-shaped grooves are formed on the inner side wall of the driving shaft assembly sleeve outside the matching key groove, and the group of matching tooth-shaped grooves are arranged in a plurality of equiangular manners.

[0010] As a further scheme of the utility model: the periphery of the front and rear end faces of the connecting sleeve is fixedly connected with a second reinforcing ring respectively, and the periphery of the front and rear end faces of the transmission sprocket sleeve is fixedly connected with a first reinforcing ring respectively.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1、In the utility model, through the multi-stage welding reinforcing structure design, it comprises the drive shaft assembly sleeve on the inner side, and the connecting sleeve is fixedly welded on the outer side of the drive shaft assembly sleeve, the connecting sleeve annular outer wall is fixedly connected with the embedded ring, the embedded ring outer surface and the connecting sleeve annular outer wall are fixedly welded with the same transmission sprocket sleeve, the drive shaft assembly sleeve, the connecting sleeve, the embedded ring and the transmission sprocket sleeve are concentrically arranged, compared with the integral structure design, if the welding quality is ideal, there is no any welding defect, when bearing the axial tensile load, the structural strength of the two plates after welding can be higher, after long time use, it can guarantee the high stability transmission work.

[0013] 2、In the utility model, the end faces of the connecting sleeve and the transmission sprocket sleeve are provided with reinforcing mechanisms, that is, the end faces of the front and rear sides of the connecting sleeve are fixedly connected with a second reinforcing ring respectively, and the end faces of the front and rear sides of the transmission sprocket sleeve are fixedly connected with a first reinforcing ring respectively, which further improves the structural strength of the connecting sleeve and the transmission sprocket sleeve. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall three-dimensional structure of the utility model Figure 1 ;

[0015] Figure 2 It is the overall three-dimensional structure of the utility model Figure 2 ;

[0016] Figure 3 It is the overall three-dimensional structure of the utility model

[0017] Figure 4 It is the overall three-dimensional structure of the utility model

[0018] In the drawing: 1, inner ring mechanism; 2, outer sprocket mechanism; 3, first reinforcing ring; 11, connecting sleeve; 12, second reinforcing ring; 13, embedded ring; 14, through hole; 15, drive shaft assembly sleeve; 16, matching tooth-shaped groove; 17, matching key groove; 21, transmission sprocket sleeve; 22, embedded groove. DETAILED DESCRIPTION

[0019] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0020] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two;The terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. The indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] Please refer to Figures 1-4 In the utility model embodiment, a high stability transmission motorcycle sprocket, including outer sprocket mechanism 2, inner ring mechanism 1 is connected in outer sprocket mechanism 2, outer sprocket mechanism 2 includes a transmission sprocket sleeve 21, the middle position of the annular inner side wall of transmission sprocket sleeve 21 is provided with the embedded groove 22, inner ring mechanism 1 includes the connecting sleeve 11 of fixedly welded in the annular inner wall of transmission sprocket sleeve 21, inner ring mechanism 1 further includes the embedded ring 13 of fixedly welded in the embedded groove 22, the annular inner wall of embedded ring 13 is fixedly welded connecting sleeve 11 annular outer wall, the center position between the front and rear two side walls of connecting sleeve 11 is provided with the through groove, and the through groove is fixedly welded with the driving shaft assembly sleeve 15, and a plurality of through holes 14 are arranged between the front and rear two side walls of connecting sleeve 11 and outside the through groove in a ring-shaped equiangular manner, which adopts a multi-stage welding reinforcement structure design, which includes the driving shaft assembly sleeve 15 on the inner side, and the driving shaft assembly sleeve 15 is fixedly welded with connecting sleeve 11 on the outer side, and the connecting sleeve 11 annular outer wall is fixedly connected with the embedded ring 13, and the embedded ring 13 outer surface and the connecting sleeve 11 annular outer wall are fixedly welded with the same transmission sprocket sleeve 21, and the driving shaft assembly sleeve 15, connecting sleeve 11, embedded ring 13 and transmission sprocket sleeve 21 are arranged in a concentric manner, which is compared with the integral molding structure design, if the welding quality is ideal, there is no any welding defect, when bearing axial tensile load, the structural strength of the two plates after welding can be higher, and after long time use, it can more guarantee the high stability transmission work.

[0023] The embedded groove 22 is a narrow opening outside and wide opening inside conical groove, and the embedded ring 13 is thick outside and thin inside, which is beneficial to improve the connection tightness between the embedded ring 13 and the embedded groove 22.

[0024] The driving shaft assembly sleeve 15 is provided with a matching key groove 17 on the upper side of the inner wall, and a group of matching tooth-shaped grooves 16 are arranged on the inner wall of the driving shaft assembly sleeve 15 outside the matching key groove 17.

[0025] The connecting sleeve 11 is fixedly connected with a second reinforcing ring 12 at the outer periphery of the front and rear end faces, and the transmission sprocket sleeve 21 is fixedly connected with a first reinforcing ring 3 at the outer periphery of the front and rear end faces.

[0026] The working principle of the utility model is: the driving shaft assembly sleeve 15 is assembled with the sprocket drive shaft of the motorcycle through the matching tooth-shaped grooves 16 or the matching key grooves 17 in the inner side, and the whole motorcycle sprocket is driven to rotate through the sprocket drive shaft, the tooth-shaped blocks outside the transmission sprocket sleeve 21 can be assembled with the chain, the transmission sprocket sleeve 21 rotates, and the transmission work can be carried out through the chain outside, because the multi-stage welding reinforcing structure design is adopted, the driving shaft assembly sleeve 15 in the inner side is included, the connecting sleeve 11 is fixedly welded outside the driving shaft assembly sleeve 15, the embedded ring 13 is fixedly connected with the annular outer wall of the connecting sleeve 11, the same transmission sprocket sleeve 21 is fixedly welded with the embedded ring 13 and the annular outer wall of the connecting sleeve 11, the driving shaft assembly sleeve 15, the connecting sleeve 11, the embedded ring 13 and the transmission sprocket sleeve 21 are arranged in a concentric manner, compared with the integral structure design, if the welding quality is ideal and there is no welding defect, the structural strength of the two plates after welding can be higher when axial tensile load is borne, and the high stability transmission work can be ensured after long time use, in addition, the reinforcing mechanism is arranged at the front and rear end faces of the connecting sleeve 11 and the transmission sprocket sleeve 21, that is, the second reinforcing ring 12 is fixedly connected at the front and rear end faces of the connecting sleeve 11, and the first reinforcing ring 3 is fixedly connected at the front and rear end faces of the transmission sprocket sleeve 21, which further improves the structural strength of the connecting sleeve 11 and the transmission sprocket sleeve 21.

[0027] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A high-stability transmission motorcycle sprocket wheel, comprising an outer sprocket mechanism (2); characterized in that An inner ring mechanism (1) is connected in the outer sprocket mechanism (2), the outer sprocket mechanism (2) comprises a transmission sprocket sleeve (21), and a fitting groove (22) is formed in the middle position of the annular inner side wall of the transmission sprocket sleeve (21). The inner ring mechanism (1) comprises a connecting sleeve (11) fixedly welded to the annular inner wall of the transmission sprocket sleeve (21), and further comprises a fitting ring (13) fixedly welded in the fitting groove (22), and the annular inner wall of the fitting ring (13) is fixedly welded to the annular outer wall of the connecting sleeve (11). A through groove is formed between the center positions of the front and rear side walls of the connecting sleeve (11), and a driving shaft assembly sleeve (15) is fixedly welded in the through groove, and a plurality of through holes (14) are formed between the front and rear side walls of the connecting sleeve (11) and outside the through groove in a ring shape with equal angles.

2. A high-stability transmission motorcycle sprocket according to claim 1, characterized in that: The fitting groove (22) is a necked groove with a narrow opening outside and a wide opening inside.

3. A high-stability transmission motorcycle sprocket according to claim 1, characterized in that: The fitting ring (13) is arranged in a thick-outer-thin-inner shape.

4. A high-stability transmission motorcycle sprocket according to claim 1, characterized in that: A matching key groove (17) is formed in the upper part of the inner side wall of the driving shaft assembly sleeve (15).

5. A high-stability transmission motorcycle sprocket according to claim 1, characterized in that: A group of matching tooth-shaped grooves (16) are formed in the inner side wall of the driving shaft assembly sleeve (15) outside the matching key groove (17), and the group of matching tooth-shaped grooves (16) are arranged in a plurality of equal angles.

6. A high-stability drive motorcycle sprocket according to claim 1, characterized in that: A second reinforcing ring (12) is fixedly connected to the periphery of each of the front and rear end faces of the connecting sleeve (11).

7. A high-stability transmission motorcycle sprocket according to claim 1, characterized in that: A first reinforcing ring (3) is fixedly connected to the periphery of each of the front and rear end faces of the transmission sprocket sleeve (21).

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