CN211117411U

CN211117411U - Chain tensioning adjusting equipment

Info

Publication number: CN211117411U
Application number: CN201922095285.2U
Authority: CN
Inventors: 陈超
Original assignee: Suzhou Haiende Chain Drive Co ltd
Current assignee: Suzhou Haiende Chain Drive Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-07-28
Anticipated expiration: 2029-11-28

Abstract

The utility model discloses a chain tensioning adjustment facility, including drive sprocket and driven sprocket, be equipped with the chain on drive sprocket and the driven sprocket, still be equipped with the take-up pulley on the chain, the take-up pulley rotates and is connected with on the fixed axle, fixed axle sliding connection is on the bottom plate, be provided with thrust unit on the bottom plate, thrust unit is including fixed cover, fixed connection is sheathe in on the bottom plate, has the screw rod through slider sliding connection in the fixed cover, and fixed sheathe in rotates and is connected with the rotation cover, rotate cover and screw rod threaded connection, the one end and the fixed axle fixed connection of fixed cover are kept away from to the screw rod. The utility model relates to a simple structure adjusts the convenience, the strong chain tensioning adjusting device of suitability.

Description

Chain tensioning adjusting equipment

Technical Field

The utility model relates to a chain drive technical field specifically is a chain tensioning adjusting equipment.

Background

The chain is a transmission system, and the driving of the chain can cause the wheels to generate power in mechanical equipment, bicycles and motorcycles. In the use process of the chain, the condition that the chain tension degree is not enough often exists, and the problems of high chain transmission working noise, high component abrasion, high energy consumption and the like are caused. However, most of the existing chain tensioning adjusting devices can only be equipped in the chain transmission design, and are difficult to add in the later period, so that the problem that the tension degree of a plurality of chain transmission devices which are not equipped with the tensioning devices is not enough can not be solved. Therefore, there is a need for a new chain tension adjusting apparatus that overcomes the above-mentioned technical deficiencies.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chain tensioning adjusting device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a chain tensioning adjustment facility, includes drive sprocket and driven sprocket, is equipped with the chain on drive sprocket and the driven sprocket, still be equipped with the take-up pulley on the chain, the take-up pulley rotates and is connected with on the fixed axle, fixed axle sliding connection is on the bottom plate, be provided with thrust unit on the bottom plate, thrust unit is including fixed cover, fixed sheatheeing in fixed connection is on the bottom plate, has the screw rod through slider sliding connection in the fixed cover, and fixed sheathes in and rotates and be connected with and rotate the cover, rotate cover and screw rod threaded connection, the one end and the fixed axle fixed connection of fixed cover are kept away from to the.

Preferably, the bottom plate is provided with a clearance groove, the bottom of the clearance groove is provided with a mounting groove, one end of the fixing shaft, which is far away from the tensioning wheel, is fixedly connected with a sliding plate, and the sliding plate is mounted in the mounting groove in a sliding fit manner.

Preferably, one end of the screw, which is far away from the fixed sleeve, is fixedly connected with a mounting sleeve, and the mounting sleeve is arranged on the circumferential outer surface of the fixed shaft in an interference fit manner.

Preferably, the sliding device comprises a group of sliding grooves and a group of sliding rails, the sliding rails are arranged on the inner side wall of the circumference of the fixing sleeve, the sliding grooves are arranged on the outer side wall of the circumference of the screw rod, and the sliding rails are connected with the sliding grooves in a sliding fit mode.

Preferably, the shape of the rotating sleeve is provided with a hexagonal prism-shaped structure.

Preferably, a connecting plate is fixedly connected to the periphery of the bottom plate, and a plurality of mounting holes are formed in the connecting plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in, with the individual fixed mounting of bottom plate on the equipment at chain drive place, thrust unit promotes the take-up pulley with the chain tensioning, and slider restriction screw rod rotates, twists and moves the rotating sleeve and can force the screw rod to remove, and the take-up pulley removes along with the screw rod. The sliding plate is installed in the installation groove in a sliding fit mode, sliding installation of the fixing shaft is achieved, and the clearance groove is used for clearance of the fixing shaft. The assembly set is arranged on the circumferential outer surface of the fixed shaft in an interference fit manner, so that the fixed shaft is fixedly connected with the screw rod. The slide rail is in sliding fit with the slide groove, so that the sliding connection between the screw and the fixed sleeve is realized, and the rotation of the screw is limited. The hexagonal prism structure enables the rotating sleeve to be used with a wrench. The mounting holes are used for penetrating screws so as to fixedly connect the bottom plate to equipment where the chain transmission is located through the screws. The utility model relates to a simple structure adjusts the convenience, the strong chain tensioning adjusting device of suitability.

Drawings

FIG. 1 is a schematic view of a chain tension adjusting apparatus;

FIG. 2 is a schematic view of the construction of clearance and mounting slots in a chain tensioning adjustment apparatus;

fig. 3 is a schematic view of an assembly structure of a fixing sleeve and a screw in a chain tension adjusting device.

In the figure: 1-driving chain wheel, 2-driven chain wheel, 3-chain, 4-bottom plate, 5-connecting plate, 6-mounting hole, 7-clearance groove, 8-mounting groove, 9-fixing shaft, 10-tension wheel, 11-sliding plate, 12-mounting sleeve, 13-screw, 14-sliding groove, 15-fixing sleeve, 16-rotating sleeve, 17-sliding rail, 18-sliding device and 19-pushing device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution:

the utility model provides a chain tensioning adjustment facility, includes driving sprocket 1 and driven sprocket 2, is equipped with chain 3 on driving sprocket 1 and the driven sprocket 2, still be equipped with take-up pulley 10 on the chain 3, take-up pulley 10 rotates and is connected with on fixed axle 9, fixed axle 9 sliding connection is on bottom plate 4, be provided with thrust unit 19 on the bottom plate 4, thrust unit 19 is including fixed cover 15, fixed connection is on bottom plate 4 on fixed cover 15, has screw rod 13 through slider 18 sliding connection in the fixed cover 15, rotates on the fixed cover 15 and is connected with and rotates cover 16, it is 16 and 13 threaded connection with screw rod to rotate cover 16, the one end and the fixed axle 9 fixed connection of fixed cover 15 are kept away from to screw rod 13.

When in use, the bottom plates 4 are fixedly arranged on equipment where the chain transmission device is arranged, the pushing device 19 pushes the tension wheel 10 to tension the chain, the sliding device 18 limits the rotation of the screw 13, the screw 13 can be forced to move by screwing the rotating sleeve 16, and the tension wheel 10 moves along with the screw 13.

Preferably, a clearance groove 7 is formed in the bottom plate 4, a mounting groove 8 is formed in the bottom of the clearance groove 7, a sliding plate 11 is fixedly connected to one end of the fixed shaft 9, which is far away from the tensioning wheel 10, and the sliding plate 11 is slidably fitted in the mounting groove 8.

The sliding plate 11 is installed in the installation groove 8 in a sliding fit mode, sliding installation of the fixed shaft 9 is achieved, and the clearance groove 7 is used for clearance of the fixed shaft 9.

Preferably, an end of the screw 13 away from the fixed sleeve 15 is fixedly connected with a fitting sleeve 12, and the fitting sleeve 12 is installed on the circumferential outer surface of the fixed shaft 9 in an interference fit manner.

The assembling sleeve 12 is arranged on the circumferential outer surface of the fixed shaft 9 in an interference fit manner, so that the fixed shaft 9 is fixedly connected with the screw 13.

Preferably, the sliding device 18 includes a set of sliding grooves 14 and a set of sliding rails 17, the sliding rails 17 are disposed on the circumferential inner side wall of the fixing sleeve 15, the sliding grooves 14 are disposed on the circumferential outer side wall of the screw 13, and the sliding rails 17 are connected with the sliding grooves 14 in a sliding fit manner.

The slide rail 17 is in sliding fit with the slide groove 14, so that the screw 13 is in sliding connection with the fixed sleeve 15, and the rotation of the screw 13 is limited.

Preferably, the shape of the rotating sleeve 16 is provided with a hexagonal prism structure.

The hexagonal prism configuration allows the sleeve 16 to be used with a wrench.

Preferably, a connecting plate 5 is fixedly connected to the periphery of the bottom plate 4, and a plurality of mounting holes 6 are formed in the connecting plate 5.

The mounting holes 6 are intended to be threaded in order to fixedly connect the bottom plate 4 to the equipment on which the chain drive is located by means of screws.

The utility model discloses a theory of operation is: when in use, the bottom plates 4 are fixedly arranged on equipment where the chain transmission device is arranged, the pushing device 19 pushes the tension wheel 10 to tension the chain, the sliding device 18 limits the rotation of the screw 13, the screw 13 can be forced to move by screwing the rotating sleeve 16, and the tension wheel 10 moves along with the screw 13. The sliding plate 11 is installed in the installation groove 8 in a sliding fit mode, sliding installation of the fixed shaft 9 is achieved, and the clearance groove 7 is used for clearance of the fixed shaft 9. The assembling sleeve 12 is arranged on the circumferential outer surface of the fixed shaft 9 in an interference fit manner, so that the fixed shaft 9 is fixedly connected with the screw 13. The slide rail 17 is in sliding fit with the slide groove 14, so that the screw 13 is in sliding connection with the fixed sleeve 15, and the rotation of the screw 13 is limited. The hexagonal prism configuration allows the sleeve 16 to be used with a wrench. The mounting holes 6 are intended to be threaded in order to fixedly connect the bottom plate 4 to the equipment on which the chain drive is located by means of screws.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a chain tensioning adjusting equipment, includes drive sprocket (1) and driven sprocket (2), is equipped with chain (3), its characterized in that on drive sprocket (1) and driven sprocket (2): still be equipped with take-up pulley (10) on chain (3), take-up pulley (10) rotate to be connected on fixed axle (9), fixed axle (9) sliding connection is on bottom plate (4), be provided with thrust unit (19) on bottom plate (4), thrust unit (19) are including fixed cover (15), fixed connection is on bottom plate (4) on fixed cover (15), has screw rod (13) through slider (18) sliding connection in fixed cover (15), rotates on fixed cover (15) to be connected with and rotates cover (16), rotate cover (16) and screw rod (13) threaded connection, the one end and fixed axle (9) fixed connection of fixed cover (15) are kept away from in screw rod (13).

2. A chain tension adjusting apparatus as set forth in claim 1, wherein: the base plate (4) is provided with a clearance groove (7), the bottom of the clearance groove (7) is provided with a mounting groove (8), one end of the fixing shaft (9) far away from the tension wheel (10) is fixedly connected with a sliding plate (11), and the sliding plate (11) is mounted in the mounting groove (8) in a sliding fit mode.

3. A chain tension adjusting apparatus as set forth in claim 1, wherein: one end of the screw rod (13) far away from the fixed sleeve (15) is fixedly connected with a mounting sleeve (12), and the mounting sleeve (12) is installed on the outer surface of the circumference of the fixed shaft (9) in an interference fit mode.

4. A chain tension adjusting apparatus as set forth in claim 1, wherein: the sliding device (18) comprises a group of sliding grooves (14) and a group of sliding rails (17), the sliding rails (17) are arranged on the circumferential inner side wall of the fixed sleeve (15), the sliding grooves (14) are arranged on the circumferential outer side wall of the screw (13), and the sliding rails (17) are connected with the sliding grooves (14) in a sliding fit mode.

5. A chain tension adjusting apparatus as set forth in claim 1, wherein: the shape of the rotating sleeve (16) is provided with a hexagonal prism structure.

6. A chain tension adjusting apparatus as set forth in claim 1, wherein: the novel LED lamp is characterized in that a connecting plate (5) is fixedly connected to the periphery of the bottom plate (4), and a plurality of mounting holes (6) are formed in the connecting plate (5).