CN216200228U

CN216200228U - Chain capable of adjusting tension

Info

Publication number: CN216200228U
Application number: CN202122494684.3U
Authority: CN
Inventors: 俞红芳; 许文强
Original assignee: Suzhou Tianlong Chain Co ltd
Current assignee: Suzhou Tianlong Chain Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-04-05
Anticipated expiration: 2031-10-18

Abstract

The utility model provides a tension-adjustable chain, which comprises a shell, a first chain wheel, an adjusting mechanism, a second chain wheel and a chain, wherein the first chain wheel is rotatably connected inside the shell through a first rotating shaft, the adjusting mechanism comprises a hollow sleeve and a telescopic rod, the hollow sleeve is connected to the back of the shell, one section of the telescopic rod is slidably connected inside the hollow sleeve, the telescopic rod is detachably connected inside the hollow sleeve through a bolt, the second chain wheel is rotatably connected to one end, located outside the hollow sleeve, of the telescopic rod through a second rotating shaft, and the first chain wheel and the second chain wheel are connected through chain transmission.

Description

Chain capable of adjusting tension

Technical Field

One or more embodiments of the present disclosure relate to the field of chain equipment, and more particularly, to a tension adjustable chain.

Background

The chain is generally a metallic chain ring or ring, and is used for mechanical transmission and traction. Chains used to obstruct traffic paths (e.g. in streets, rivers or estuary entrances), chains used mechanically. In the same kind of products, the chain product series is divided according to the basic structure of the chain, i.e. according to the shape of the elements, the parts and the positions meshed with the chain, the size proportion among the parts and the like. The types of chains are many, but their basic structures are only the following ones, and others are all variations of these ones. As can be seen from the above chain structures, most of the chains are composed of chain plates, chain pins, shaft sleeves and the like. Other types of chains only change the chain plates according to different requirements, some chain plates are provided with scrapers, some chain plates are provided with guide bearings, and other chain plates are provided with rollers and the like, which are used for modification in different application occasions.

Chain among the prior art in the use, has wearing and tearing, tension changes, needs the interval of adjustment sprocket to reach original tension, but traditional chain does not possess adjustable tensile structure, can't satisfy people's needs, to sum up, this application now provides an adjustable tensile chain and solves the above-mentioned problem that appears.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a tension-adjustable chain, which solves the above problems.

Based on the above purpose, the utility model provides a tension-adjustable chain, which comprises a shell, a first chain wheel, an adjusting mechanism, a second chain wheel and a chain, wherein the first chain wheel is rotatably connected inside the shell through a first rotating shaft, the adjusting mechanism comprises a hollow sleeve and a telescopic rod, the hollow sleeve is connected to the back of the shell, one section of the telescopic rod is slidably connected inside the hollow sleeve, the telescopic rod is detachably connected inside the hollow sleeve through a bolt, the second chain wheel is rotatably connected to one end, located outside the hollow sleeve, of the telescopic rod through a second rotating shaft, and the first chain wheel and the second chain wheel are connected through chain transmission.

Preferably, the shell is provided with a strip-shaped groove body for adjusting the position of the second rotating shaft.

Preferably, a gap of 1cm-5cm is arranged between the shell and the chain.

Preferably, adjustment mechanism still includes motor, carousel, draw runner and slider, the motor sets up on the shell, the carousel rotates to be connected on the shell, draw runner sliding connection is on the shell, hollow cover and draw runner fixed connection, slider sliding connection is inside the draw runner, and the slider rotates through the round pin axle and connects on the carousel surface.

Preferably, the shell is hinged with an access door.

From the above, it can be seen that the beneficial effects of the present invention are: according to the utility model, through the hollow sleeve and the telescopic rod, the distance between the first chain wheel and the second chain wheel can be preliminarily adjusted so as to ensure that the chain reaches the required tension; the utility model can further adjust the distance between the first chain wheel and the second chain wheel through the motor, the turntable, the slide bar and the slide block, so that the tension of the chain more accurately meets the requirements of people

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the adjusting mechanism of the present invention;

fig. 3 is a schematic structural diagram of a preferred embodiment in fig. 2.

In the reference symbols: 1. a housing; 2. a first sprocket; 3. a chain; 4. a second sprocket; 5. an adjustment mechanism; 21. a first rotating shaft; 41. a second rotating shaft; 51. a telescopic rod; 52. hollow sleeve; 53. a bolt; 54. a pin shaft; 55. a slide bar; 56. an electric motor; 57. a turntable; 58. a slide block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.

It is to be noted that technical terms or scientific terms used in the embodiments of the present invention should have the ordinary meanings as understood by those having ordinary skill in the art to which the present disclosure belongs, unless otherwise defined. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Examples

Referring to fig. 1-3, a tension-adjustable chain includes a housing 1, a first chain wheel 2, an adjusting mechanism 5, a second chain wheel 4 and a chain 3, wherein the first chain wheel 2 is rotatably connected inside the housing 1 through a first rotating shaft 21, the adjusting mechanism 5 includes a hollow sleeve 52 and an expansion link 51, the hollow sleeve 52 is connected to the back of the housing 1, one section of the expansion link 51 is slidably connected inside the hollow sleeve 52, the expansion link 51 is detachably connected inside the hollow sleeve 52 through a bolt 53, the second chain wheel 4 is rotatably connected to one end of the expansion link 51 located outside the hollow sleeve 52 through a second rotating shaft 42, and the first chain wheel 2 and the second chain wheel 4 are in transmission connection through the chain 3.

As an improvement of the above scheme, a strip-shaped groove for adjusting the position of the second rotating shaft 42 is formed on the housing 1.

As a modified scheme of the scheme, a gap of 1cm-5cm is arranged between the shell 1 and the chain 3.

As a modified solution of the above solution, the adjusting mechanism 5 further includes a motor 56, a rotating disc 57, a slide bar 55 and a sliding block 58, the motor 56 is disposed on the housing 1, the rotating disc 57 is rotatably connected to the housing 1, the slide bar 55 is slidably connected to the housing 1, the hollow sleeve 52 is fixedly connected to the slide bar 55, the sliding block 58 is slidably connected to the inside of the slide bar 55, and the sliding block 58 is rotatably connected to the surface of the rotating disc 57 through a pin 54.

As a modified scheme of the scheme, an access door is hinged on the shell 1.

The working process is as follows: the user can adjust the position of the telescopic rod 51 in the hollow sleeve 52 and fix the position of the telescopic rod 51 through the bolt 53, so that the distance between the first chain wheel 2 and the second chain wheel 4 can be adjusted.

The user can operate the motor 56, the output end of the motor 56 rotates to drive the rotating disc 57 to rotate, the rotating disc 57 drives the sliding block 58 to rotate through the pin shaft 54, and then the sliding block 58 is driven to slide in the sliding strip 55 in a reciprocating mode, so that the sliding strip 55 is driven to slide in a reciprocating mode, the hollow sleeve 52 is driven to move in a reciprocating mode, the position of the hollow sleeve 52 is adjusted, the position of the second chain wheel 4 is adjusted, and the purpose of adjusting the distance between the first chain wheel 2 and the second chain wheel 4 can be achieved.

In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the present invention. The foregoing description is only a preferred embodiment of the utility model, which can be embodied in many different forms than described herein, and therefore the utility model is not limited to the specific embodiments disclosed above. And that those skilled in the art may, using the methods and techniques disclosed above, make numerous possible variations and modifications to the disclosed embodiments, or modify equivalents thereof, without departing from the scope of the claimed embodiments. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. An adjustable tension chain comprising:

a housing (1);

the first chain wheel (2), the first chain wheel (2) is rotatably connected to the inside of the shell (1) through a first rotating shaft (21);

an adjustment mechanism (5), the adjustment mechanism (5) comprising:

the hollow sleeve (52), the hollow sleeve (52) is connected to the back of the shell (1);

the telescopic rod (51), one section of the telescopic rod (51) is connected inside the hollow sleeve (52) in a sliding mode, and the telescopic rod (51) is detachably connected inside the hollow sleeve (52) through a bolt (53);

the second chain wheel (4) is rotatably connected to one end, located outside the hollow sleeve (52), of the telescopic rod (51) through a second rotating shaft (42), and the second chain wheel (4) is connected to the other end, located outside the hollow sleeve (52), of the telescopic rod (51) in a rotating mode;

the first chain wheel (2) and the second chain wheel (4) are in transmission connection through the chain (3).

2. The tension-adjustable chain as claimed in claim 1, wherein the housing (1) is provided with a strip-shaped groove for adjusting the position of the second rotating shaft (42).

3. An adjustable tension chain according to claim 1, characterized in that a gap of 1cm-5cm is provided between the housing (1) and the chain (3).

4. An adjustable tension chain according to claim 1, wherein the adjustment mechanism (5) further comprises:

an electric motor (56), the electric motor (56) being provided on the housing (1);

the rotary disc (57), the rotary disc (57) is connected to the shell (1) in a rotating mode;

the sliding strip (55), the sliding strip (55) is connected to the shell (1) in a sliding mode, and the hollow sleeve (52) is fixedly connected with the sliding strip (55); and

the sliding block (58) is connected inside the sliding strip (55) in a sliding mode, and the sliding block (58) is connected to the surface of the rotating disc (57) in a rotating mode through a pin shaft (54).

5. An adjustable tension chain according to claim 1, wherein an access door is hinged to the housing (1).