CN218055502U

CN218055502U - Wear-resistant accessory for motorcycle tensioner

Info

Publication number: CN218055502U
Application number: CN202220588332.6U
Authority: CN
Inventors: 段善平
Original assignee: Wenzhou Haofan Fastener Co ltd
Current assignee: Wenzhou Haofan Fastener Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-12-16
Anticipated expiration: 2032-03-17

Abstract

The utility model discloses a wear-resistant accessory for a motorcycle tensioner, belonging to the technical field of motorcycles, which comprises a support piece, wherein the front side surface of the support piece is provided with a storage groove, a fixed shaft is slidably arranged in the storage groove through a guide part, and one end of the fixed shaft is rotatably provided with a chain wheel through a bearing; the guide part comprises two guide rods arranged in the accommodating groove, a sliding block arranged on the two guide rods in a sliding manner and a supporting spring sleeved on the guide rods, the other end of the fixed shaft is fixedly connected with the sliding block, and one end of each guide rod is provided with an adjusting part for adjusting the length of the supporting spring; through setting up adjusting part, utilize the cooperation of screw thread post and screw hole, only need rotate the screw thread post, adjust its length that stretches into and accomodate the inslot, can adjust the elasticity size that supporting spring produced to the problem that traditional torsion spring's torsion reduces gradually along with time lapse has been solved, and it is convenient to provide for the use of reality.

Description

Wear-resistant accessory for motorcycle tensioner

Technical Field

The utility model relates to a motorcycle technical field especially relates to a motorcycle is accessory for tensioning ware that stand wear and tear.

Background

The motorcycle is a two-wheeled or three-wheeled vehicle driven by a gasoline engine and steered by operating a front wheel by a handle, is light, flexible and rapid to drive, is widely used for patrol, passenger and goods transportation and the like, and is also used as a sports apparatus. Most of the existing motorcycles adopt a chain mode for transmission, and in order to keep the transmission efficiency of the chain, a tensioner is generally arranged on the chain so as to keep the chain in a tensioning state all the time.

The tensioner for the motorcycle generally adopts the torsion of a torsion spring to realize the tensioning function of a chain at present, but the torsion spring can age gradually along with the passage of time, the generated torsion can also be reduced gradually, and finally the condition that the tensioner cannot meet the actual tensioning requirement occurs, so that the actual use effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a stand wear and tear accessory for motorcycle tensioning ware has solved the tensioning function that present tensioning ware for motorcycle generally all adopted torque spring's torsion to realize the chain, nevertheless along with the lapse of time, torque spring can age gradually, and the torsion of its production also can reduce gradually, finally leads to the unable condition emergence that satisfies the actual tensioning demand of tensioning ware, the poor problem of in-service use effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a wear-resistant accessory for a motorcycle tensioner comprises a supporting piece, wherein a containing groove is formed in the front side face of the supporting piece, a fixing shaft is slidably mounted in the containing groove through a guide part, and a chain wheel is rotatably mounted at one end of the fixing shaft through a bearing; the guide part comprises two guide rods arranged in the accommodating groove, a sliding block arranged on the two guide rods in a sliding manner and a supporting spring sleeved on the guide rods, the other end of the fixed shaft is fixedly connected with the sliding block, and one end of each guide rod is provided with an adjusting part for adjusting the length of the supporting spring; the adjusting part comprises two threaded holes formed in one end of the supporting part, a threaded column in threaded connection with the inside of the threaded holes, a containing blind hole formed in one end face of the threaded column and extending along the axial direction of the threaded column, and a guide sleeve arranged at the opening of the containing blind hole, and one end of the guide rod penetrates through the guide sleeve and extends to the inside of the containing blind hole; and two ends of the supporting spring are respectively abutted against the sliding block and the guide sleeve.

As a preferred scheme of the utility model, the circular shape spacing separation blade of one end fixedly connected with of guide bar, and spacing separation blade are located the inside of accomodating the blind hole, the diameter of spacing separation blade is greater than the internal diameter of uide bushing.

As an optimized scheme of the utility model, be fixed with the hexagonal arch on another terminal surface of screw thread post, and the one end that the screw thread post was kept away from to the hexagonal arch is fixed with the hexagonal pyramid.

As an optimized scheme of the utility model, support piece's one end fixed mounting has protecting sheathing, the screw thread post is located protecting sheathing's inside.

As a preferred scheme of the utility model, accomodate the notch position in groove and install fixed frame, and all install dustproof brush, two on the upper and lower both sides face of fixed frame inner wall the brush hair of dustproof brush contacts.

As an optimized scheme of the utility model, cup joint on the fixed axle and install the annular plate, install a plurality of universal balls on the annular plate, and the spin and the sprocket rolling contact of universal ball.

The utility model discloses in:

the wear-resistant accessory for the motorcycle tensioner can adjust the elastic force generated by the support spring by arranging the adjusting part and utilizing the matching of the threaded column and the threaded hole and only by rotating the threaded column and adjusting the length of the threaded column extending into the accommodating groove, so that the problem that the torsion of the traditional torsion spring is gradually reduced along with the time is solved, and convenience is brought to actual use;

this accessory for stand wear and tear motorcycle tensioning ware is through setting up slidable slider, recycles supporting spring and supports the slider to back on the sprocket supports to the chain, supporting spring will contract under the effect of extrusion force, and the elasticity of its production just can make the chain be in the tensioning state all the time, has satisfied actual transmission demand.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the annular plate of the present invention;

FIG. 3 is a schematic sectional view of the ring plate according to the present invention;

FIG. 4 is a schematic sectional view of the protective housing of the present invention;

fig. 5 is a schematic cross-sectional structural view of the threaded post of the present invention.

In the figure: 1. a support member; 2. a receiving groove; 3. a guide rod; 4. a slider; 5. a support spring; 6. a fixed shaft; 7. a sprocket; 8. a threaded post; 9. a threaded hole; 10. a receiving blind hole; 11. a guide sleeve; 12. a limiting baffle sheet; 13. a hexagonal protrusion; 14. a hexagonal pyramid; 15. a protective housing; 16. a fixing frame; 17. a dust brush; 18. an annular plate; 19. a universal ball.

Detailed Description

Examples

Referring to fig. 1-5, the utility model provides a wear-resistant accessory for motorcycle tensioner, which comprises a support member 1, wherein the front side surface of the support member 1 is provided with a storage groove 2, a fixed shaft 6 is slidably mounted in the storage groove 2 through a guide part, and one end of the fixed shaft 6 is rotatably provided with a chain wheel 7 through a bearing; the guide part comprises two guide rods 3 arranged in the accommodating groove 2, sliders 4 slidably arranged on the two guide rods 3 and supporting springs 5 sleeved on the guide rods 3, the guide rods 3 can realize the sliding connection of the sliders 4 on one hand, and also play a role in supporting and positioning the supporting springs 5 on the other hand, so that the supporting springs 5 are prevented from being bent after receiving pressure, the other end of the fixed shaft 6 is fixedly connected with the sliders 4, and one end of each guide rod 3 is provided with an adjusting part for adjusting the length of the supporting spring 5; through setting up slidable slider 4, recycle supporting spring 5 and support slider 4 to back on sprocket 7 supports to the chain, supporting spring 5 will contract under the effect of extrusion force, and the elasticity that its produced just can be so that the chain is in the tensioning state all the time, has satisfied actual transmission demand.

A fixed frame 16 is arranged at the notch position of the accommodating groove 2, the upper side surface and the lower side surface of the inner wall of the fixed frame 16 are both provided with dustproof brushes 17, and the bristles of the two dustproof brushes 17 are in contact; by providing the fixing frame 16 and the dust-proof brush 17, it is possible to effectively prevent dust and the like from entering the inside of the accommodating groove 2.

The fixing shaft 6 is sleeved with an annular plate 18, the annular plate 18 is provided with a plurality of universal balls 19, rolling balls of the universal balls 19 are in rolling contact with the chain wheel 7, and the stability of the chain wheel 7 in the rotating process can be improved by arranging the annular plate 18 and the universal balls 19.

The adjusting component comprises two threaded holes 9 formed in one end of the supporting piece 1, a threaded column 8 in threaded connection with the threaded holes 9, a containing blind hole 10 formed in one end face of the threaded column 8 and extending along the axial direction of the threaded column, and a guide sleeve 11 installed at the opening of the containing blind hole 10, and one end of the guide rod 3 penetrates through the guide sleeve 11 and extends into the containing blind hole 10; two ends of the supporting spring 5 respectively abut against the sliding block 4 and the guide sleeve 11; through setting up adjusting part, utilize the cooperation of screw thread post 8 and screw hole 9, only need rotate screw thread post 8, adjust its length that stretches into and accomodate the groove 2 in, can adjust the elasticity size that supporting spring 5 produced to the problem that traditional torsion spring's torsion reduces gradually along with time lapse has been solved, and it is convenient to provide for the use of reality.

Support piece 1's one end fixed mounting has protecting sheathing 15, and threaded post 8 is located protecting sheathing 15's inside, and protecting sheathing 15 can protect threaded post 8, avoids its unexpected rotation.

The one end fixedly connected with of guide bar 3 has circular shape spacing separation blade 12, and spacing separation blade 12 is located the inside of accomodating blind hole 10, and the diameter of spacing separation blade 12 is greater than the internal diameter of uide bushing 11, and the position of guide bar 3 can be injectd to spacing separation blade 12, prevents its and uide bushing 11 complete separation.

The hexagonal protrusion 13 is fixed on the other end face of the threaded column 8, the hexagonal protrusion 13 is convenient for people to drive the threaded column 8 to rotate by using a tool, the hexagonal pyramid 14 is fixed at one end, far away from the threaded column 8, of the hexagonal protrusion 13, and the hexagonal pyramid 14 is convenient for people to sleeve the tool on the hexagonal protrusion 13.

The working principle is as follows: when the chain wheel support is used, the chain wheel 7 is meshed with a chain to be connected, then the support piece 1 is installed at a proper position, the support spring 5 is in a contraction state at the moment, the elastic force generated after the support spring 5 is contracted is transmitted to the chain wheel 7 through the sliding block 4 and the fixed shaft 6, and therefore the chain wheel 7 is abutted to the chain, and the chain is always in a tightening state; when the elastic force on the supporting spring 5 is not enough to meet the actual tensioning requirement, the elastic force of the supporting spring 5 needs to be increased, and the specific adjustment process is as follows: firstly, opening a protective shell 15, then utilizing a tool with a hexagonal groove to match with a hexagonal pyramid 14 and a hexagonal bulge 13, so that the threaded column 8 can be driven to rotate in the threaded hole 9, and one end of the threaded column 8 can be driven to gradually extend into the accommodating groove 2, and the extension of the threaded column 8 can cause the supporting spring 5 to be further shortened due to the fact that the position of the sliding block 4 cannot be changed, so that the generated elastic force can be increased, and the adjustment of the elastic force of the supporting spring 5 is completed; and then the protective shell 15 is installed.

Claims

1. The wear-resistant accessory for the motorcycle tensioner is characterized by comprising a supporting piece (1), wherein a containing groove (2) is formed in the front side face of the supporting piece (1), a fixed shaft (6) is slidably mounted in the containing groove (2) through a guide part, and a chain wheel (7) is rotatably mounted at one end of the fixed shaft (6) through a bearing; the guide part comprises two guide rods (3) arranged in the accommodating groove (2), a sliding block (4) slidably arranged on the two guide rods (3) and a supporting spring (5) sleeved on the guide rods (3), the other end of the fixed shaft (6) is fixedly connected with the sliding block (4), and one end of each guide rod (3) is provided with an adjusting part for adjusting the length of the supporting spring (5); the adjusting component comprises two threaded holes (9) formed in one end of the supporting piece (1), a threaded column (8) in threaded connection with the interior of the threaded holes (9), a containing blind hole (10) formed in one end face of the threaded column (8) and extending along the axial direction of the threaded column, and a guide sleeve (11) installed at the opening of the containing blind hole (10), and one end of the guide rod (3) penetrates through the guide sleeve (11) and extends into the containing blind hole (10); and two ends of the supporting spring (5) are respectively abutted against the sliding block (4) and the guide sleeve (11).

2. The wear-resistant accessory for a motorcycle tensioner as claimed in claim 1, wherein a circular limiting stop piece (12) is fixedly connected to one end of the guide rod (3), the limiting stop piece (12) is located inside the receiving blind hole (10), and the diameter of the limiting stop piece (12) is larger than the inner diameter of the guide sleeve (11).

3. The wear-resistant accessory for motorcycle tensioners according to claim 1, wherein a hexagonal protrusion (13) is fixed on the other end face of the threaded post (8), and a hexagonal pyramid (14) is fixed on the end of the hexagonal protrusion (13) away from the threaded post (8).

4. A wear resistant accessory for a motorcycle tensioner as claimed in claim 1, characterized in that one end of the support (1) is fixedly mounted with a protective shell (15), the threaded post (8) being located inside the protective shell (15).

5. The wear-resistant accessory for the motorcycle tensioner as claimed in claim 1, wherein a fixing frame (16) is mounted at the notch position of the accommodating groove (2), and dust-proof brushes (17) are mounted on the upper and lower side surfaces of the inner wall of the fixing frame (16), and the bristles of the two dust-proof brushes (17) are in contact with each other.

6. The wear-resistant accessory for motorcycle tensioners according to claim 1, wherein the fixed shaft (6) is sleeved with an annular plate (18), the annular plate (18) is provided with a plurality of universal balls (19), and the rolling balls of the universal balls (19) are in rolling contact with the chain wheel (7).