CN219413448U - Driven gear of motorcycle - Google Patents

Abstract

The utility model discloses a driven gear of a motorcycle, which relates to the technical field of gears of motorcycles and comprises a gear body, wherein limit key grooves are formed in the side face of the gear body at equal intervals, a second fixed block and a first fixed block are movably clamped on the left side and the right side of the gear body respectively, and fixed keys are fixedly connected to the outer ends of the inner sides of the second fixed block and the first fixed block. According to the utility model, the fixed keys on the inner sides of the first fixed block and the second fixed block are inserted into the limit key grooves on the outer sides of the gear body, meanwhile, the connecting blocks are clamped into the clamping grooves, the threaded rod is in threaded connection along the inner part of the threaded sleeve by the threaded sleeve matched with the threaded rod, so that the first fixed block and the second fixed block are fixedly connected by rotating the threaded rod to enter the threaded sleeve, and when the external teeth of the gear body are damaged, the first fixed block and the second fixed block are detached to replace the gear body by disassembling the threaded sleeve and the threaded rod, so that the waste of materials is reduced, and the economy is improved.

Description

Driven gear of motorcycle

Technical Field

The utility model relates to the technical field of motorcycle gears, in particular to a driven gear of a motorcycle.

Background

The speed change of the motorcycle is realized by carrying out gear adjustment on a speed change device, one end of the speed change device is meshed with an output gear on an engine crankshaft through a gear of a clutch, the other end of the speed change device is connected with wheels of the motorcycle through an output chain wheel and a chain, a plurality of pairs of gears with different numbers of teeth are arranged inside the speed change device, the speed change is realized through gear transmission ratios corresponding to different gears in the speed change process, different gears have different gear reduction ratios, a driven gear of the motorcycle is a primary driven gear for the transmission of the engine and the clutch of the motorcycle, and the driven gear has the functions of driving the work done by a cylinder through a primary master-slave gear and driving a clutch housing by the driven gear, thereby completing the power transmission of the engine. The following problems exist in the prior art:

1. the existing driven gear of the motorcycle is manufactured and used in an integral processing and forming mode, the gears are mixed for rotary motion during use, and power transmission is carried out through meshing between the gears, but the gears are driven through teeth, so that the whole gear can not be used and needs to be replaced as long as the teeth on the surface of the gear are broken, and resource waste is caused;

2. the existing driven gear of the motorcycle carries out mechanical kinetic energy transmission in a gear meshing mode, but the gear and the gear are mutually meshed through the outer teeth of the gear, fatigue is easy to generate in long-time use, strength is reduced, meanwhile, the gear is not tightly connected with a shaft body, so that transmission precision is low, and the gear is worn after the gear is meshed with the gear for a long time, so that the service life of the gear is shortened.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a motorcycle driven gear, includes the gear body, spacing keyway has been seted up to gear body's side equidistance, movable joint has fixed block two and fixed block one respectively in gear body's the left and right sides, the equal fixedly connected with fixed key of the outside of fixed block two and fixed block one inboard, the position looks adaptation of fixed key and spacing keyway, fixed key activity joint is in the inside of spacing keyway, gear body's inboard fixedly connected with connecting block, the draw-in groove has been seted up to the inboard of fixed block one and fixed block two, connecting block activity joint is in the inside of draw-in groove, the inside fixed mounting of fixed block one and fixed block two has the connecting sleeve, the equal fixed plate in outside of fixed block one and fixed block two, the outside equal movable joint of fixed block one and fixed block two has thread bush and threaded rod, thread bush and threaded rod all are located the outside of fixed plate, thread bush and threaded rod pierce through the inboard threaded connection of fixed block two and fixed block one respectively.

The technical scheme of the utility model is further improved as follows: the side of connecting block has seted up the buffer hole, the buffer hole is circular setting, the inboard fixedly connected with fixed spline of connecting axle sleeve, the outside cladding of gear body has wear-resisting coating.

The technical scheme of the utility model is further improved as follows: the length of the thread sleeve is equal to that of the thread rod, and the thread sleeve is mutually matched with the threaded rod.

The technical scheme of the utility model is further improved as follows: the fixed key is manufactured by integrally forming the fixed block I and the fixed block II respectively.

The technical scheme of the utility model is further improved as follows: and the connecting block and the gear body are integrally cast and formed.

The technical scheme of the utility model is further improved as follows: the buffer holes are six in number and are distributed on the side face of the connecting block at equal intervals.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:

1. the utility model provides a driven gear of a motorcycle, which is provided with a limiting key slot, a first fixed block, a second fixed block, a fixed key and the like, wherein the first fixed block and the second fixed block are clamped into a gear body from the left side and the right side of the gear body, the fixed keys on the inner sides of the first fixed block and the second fixed block are inserted into the limiting key slot on the outer side of the gear body, simultaneously the end parts of connecting blocks on the inner sides of the first fixed block and the second fixed block are clamped into clamping grooves on the inner sides of the first fixed block and the second fixed block, then a threaded sleeve is used for inserting the side walls penetrating through the fixed keys and the second fixed block from the outer side of the second fixed block into the first fixed block, a threaded rod is arranged from a fixed plate on the outer side of the first fixed block, the threaded rod is connected with the inner side of the threaded sleeve in a threaded mode, the first fixed block and the second fixed block are fixedly connected through rotation of the threaded rod, and when outer teeth of the gear body are damaged, the first fixed block and the second fixed block are detached through the threaded sleeve and the threaded rod, so that the material waste is reduced, and the economy is improved.

2. The utility model provides a motorcycle driven gear, which is provided with a buffer hole, a fixed spline, a wear-resistant coating and the like, wherein the buffer hole, the fixed spline, the wear-resistant coating and the like are connected with a shaft body through the fixed spline on the inner side of a connecting shaft sleeve when the motorcycle driven gear is used, the tight connection with the shaft body is ensured through the arrangement of the fixed spline, the precision is improved, meanwhile, the wear-resistant coating is arranged on the outer part of a gear body, and when the teeth of the gear body are meshed for use, the wear-resistant performance of the teeth is enhanced through the wear-resistant coating, so that the wear of the teeth in the meshing use is reduced, the buffer effect of the gear body is improved through the arrangement of the buffer hole, the noise generated during the use is reduced, and the service life of the gear body is prolonged.

Drawings

FIG. 1 is a schematic view of the structure of a driven gear of a motorcycle of the present utility model;

FIG. 2 is an exploded view of the structure of the present utility model;

FIG. 3 is a right side view of the present utility model;

fig. 4 is a schematic cross-sectional structure of the present utility model.

In the figure: 1. a gear body; 2. limiting key groove; 3. a first fixed block; 4. a second fixed block; 5. a fixed key; 6. a connecting block; 7. a clamping groove; 8. a connecting shaft sleeve; 9. a fixing plate; 10. a thread sleeve; 11. a threaded rod; 12. buffering holes; 13. a fixed spline; 14. and (3) a wear-resistant coating.

Detailed Description

The utility model is further illustrated by the following examples:

example 1

As shown in fig. 1-4, the utility model provides a driven gear of a motorcycle, which comprises a gear body 1, wherein limit keyways 2 are formed in the side surface of the gear body 1 at equal intervals, a fixing block two 4 and a fixing block one 3 are movably clamped on the left side and the right side of the gear body 1 respectively, fixing keys 5 are fixedly connected to the outer ends of the inner sides of the fixing block two 4 and the fixing block one 3, the fixing keys 5 are matched with the limit keyways 2 in position, the fixing keys 5 are movably clamped in the limit keyways 2, connecting blocks 6 are fixedly connected to the inner sides of the gear body 1, clamping grooves 7 are formed in the inner sides of the fixing block one 3 and the fixing block two 4, connecting shaft sleeves 8 are fixedly arranged in the inner sides of the fixing block one 3 and the fixing block two 4, thread sleeves 10 and threaded rods 11 are movably clamped on the outer sides of the fixing block one 3 and the fixing block two 4 respectively, the thread sleeves 10 and the threaded rods 11 are positioned on the outer sides of the fixing plates 9, and the thread sleeves 10 and 11 penetrate through the inner sides of the fixing block two 4 and the threaded rods 3 respectively.

In this embodiment, through being provided with spacing keyway 2, fixed block one 3, fixed block two 4, fixed key 5 etc, through using fixed block one 3 and fixed block two 4 to block into gear body 1 from the left and right sides of gear body 1, make fixed block one 3 and fixed block two 4 inboard fixed key 5 insert the spacing keyway 2 inside the gear body 1 outside, simultaneously make the tip card of gear body 1 inboard connecting block 6 go into fixed block one 3 and fixed block two 4 inboard draw-in groove 7, then insert through fixed key 5 and fixed block two 4's lateral wall to fixed block one 3's inside through using thread bush 10 from fixed block two 4's outside, through installing threaded rod 11 from fixed plate 9 outside fixed block one 3, make threaded rod 11 carry out threaded connection along the inside of thread bush 10, thereby through the rotation of threaded rod 11 entering the inside of thread bush 10, accomplish the connection to fixed block one 3 and fixed block two 4, when the external tooth of gear body 1 takes place to damage, thereby dismantle fixed block one 3 and fixed block two 4 through thread bush 10, thereby reduce extravagant material and change, thereby economic nature is reduced.

Example 2

As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the buffer hole 12 is formed in the side face of the connecting block 6, the buffer hole 12 is in a round shape, the inner side of the connecting shaft sleeve 8 is fixedly connected with the fixed spline 13, and the outer part of the gear body 1 is coated with the wear-resistant coating 14.

In this embodiment, through being provided with buffer hole 12, fixed spline 13, wear-resisting coating 14 etc. when using, be connected with the axis body through the inboard fixed spline 13 of connecting axle sleeve 8, the tight connection with the axis body has been guaranteed through the setting of fixed spline 13, improve precision, wear-resisting coating 14 through the outside setting of gear body 1 simultaneously, when the tooth of gear body 1 meshes the use, wear resistance through wear-resisting coating 14 has strengthened the wear resistance of tooth, thereby reduce the wearing and tearing of tooth in the meshing use, the cushioning effect of gear body 1 is improved through the setting of buffer hole 12 simultaneously, noise that produces when reducing the use simultaneously, improve the life of gear body 1.

The following specifically explains the working principle of the driven gear of the motorcycle.

As shown in fig. 1-4, through using fixed block one 3 and fixed block two 4 to block into gear body 1 from the left and right sides of gear body 1, make fixed block one 3 and fixed block two 4 inboard dead key 5 insert gear body 1 outside spacing keyway 2 inside, make the tip card of gear body 1 inboard connecting block 6 go into fixed block one 3 and fixed block two 4's inboard draw-in groove 7 in the while, then insert the inside that pierces through fixed key 5 and fixed block two 4's lateral wall to fixed block one 3 through using thread bush 10 from fixed block two 4's outside, through installing threaded rod 11 from fixed plate 9 outside fixed block one 3, make threaded rod 11 carry out threaded connection along the inside of thread bush 10, thereby get into the inside of thread bush 10 through the rotation of threaded rod 11, thereby fixed block one 3 and fixed block two 4 carry out fixed completion to be connected, when gear body 1's external tooth takes place to damage, thereby dismantle fixed block one 3 and fixed block two 4 through dismantling thread bush 10 and threaded rod 11 and change gear body 1, thereby reduce the waste of material, then through connecting shaft sleeve 8 inboard fixed shaft 13 and the inside is connected with the side wall of fixed block two 4, the gear body is carried out wear-resisting and is carried out the wear-resisting and is set up with the gear body through the spline body is set up of the gear body is in the gear body is 1 through the fixed plate 1, the setting up through the setting up of the gear body is high-down, the wear-resistant gear body is set up and the wear-resistant, the wear-resistant device is high-resistant device is used in the wear-resistant device is convenient, and the wear-resistant device is high-resistant device is used, and the wear-resistant device is convenient to be used, and has high-resistant device is convenient, and has high wear resistance and high and the wear-resistant device.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims (6)

1. The utility model provides a motorcycle driven gear, includes gear body (1), its characterized in that: the side equidistance of gear body (1) has been seted up spacing keyway (2), fixed block two (4) and fixed block one (3) have been seted up to the left and right sides of gear body (1) respectively movable joint, the equal fixedly connected with fixed key (5) of the inboard outer end of fixed block two (4) and fixed block one (3), the position looks adaptation of fixed key (5) and spacing keyway (2), fixed key (5) movable joint is in the inside of spacing keyway (2), the inboard fixedly connected with connecting block (6) of gear body (1), draw-in groove (7) have been seted up to the inboard of fixed block one (3) and fixed block two (4), the inside fixed mounting of fixed block one (3) and fixed block two (4) has connecting sleeve (8), the equal fixed mounting of the outside of fixed block one (3) and fixed block two (4) has fixed plate (9), the inboard fixed connection of fixed block one (3) and fixed block two (4) has threaded rod (10) and threaded rod (11) outside screw thread (11) and threaded rod (11), the thread sleeve (10) and the threaded rod (11) penetrate through the inner sides of the second fixed block (4) and the first fixed block (3) respectively to be connected through threads.

2. A motorcycle driven gear according to claim 1, wherein: the side of connecting block (6) has seted up buffer hole (12), buffer hole (12) are circular setting, the inboard fixedly connected with fixed spline (13) of connecting axle sleeve (8), the outside cladding of gear body (1) has wear-resisting coating (14).

3. A motorcycle driven gear according to claim 1, wherein: the length of the thread sleeve (10) is equal to that of the threaded rod (11), and the thread sleeve (10) is mutually matched with the threaded rod (11).

4. A motorcycle driven gear according to claim 1, wherein: the fixed key (5) is respectively integrally formed with the first fixed block (3) and the second fixed block (4).

5. A motorcycle driven gear according to claim 1, wherein: the connecting block (6) and the gear body (1) are integrally cast and formed.

6. A motorcycle driven gear according to claim 2, wherein: six buffer holes (12) are formed in total and are distributed on the side face of the connecting block (6) at equal intervals.