CN110667321A

CN110667321A - Anti-skid chain

Info

Publication number: CN110667321A
Application number: CN201911040693.6A
Authority: CN
Inventors: 常绿; 朱思达; 刘硕; 颜瑨; 胡晓明; 刘永臣; 戴建国; 夏晶晶; 徐礼超; 张载梅
Original assignee: Huaiyin Institute of Technology; Huaian Vocational College of Information Technology
Current assignee: Huaiyin Institute of Technology; Huaian Vocational College of Information Technology
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-01-10
Anticipated expiration: 2039-10-29
Also published as: CN110667321B

Abstract

The invention discloses an anti-skid chain which is provided with a body, a fixing device, a tightening device and a tightening rope. The body is sleeved on the surface of the wheel, so that the fixing device of the body is positioned on the inner side of the wheel and is fixedly connected with the axle through the fixing disc. The rotating column positioned on the outer side of the wheel is rotated through the rotating handle, so that the rotating column is wound and tightened with the tightening ropes, and the tightening fixing device, the body and the tightening device are tightened through the tightening ropes and the ratchet bar, so that the tire is wrapped by the tightening fixing device, the body and the tightening device. Then the rotating column is fixed by the matching of the ratchet wheel and the pawl on the ratchet strip, and the rotating column is prevented from reversing to loosen the tightening rope, so that the quick fixed installation of the antiskid chain is realized. The device has simple structure, good installation stability and convenient use.

Description

Anti-skid chain

Technical Field

The invention relates to a wheel anti-skid accessory, in particular to an anti-skid chain convenient to install and use.

Background

When a vehicle runs in ice and snow climate, the road surface is covered with an ice layer or a snow layer, which easily causes wheel slip and accidents. In order to avoid such accidents, anti-skid chains are installed on the wheels of many vehicles to increase the friction force between the tires and the ground, so that the accident rate is greatly reduced. However, the prior art automobile anti-skid chain is time-consuming and labor-consuming in installation, complex in operation and inconvenient to install.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects of the prior art, the invention discloses an anti-skid chain which can effectively simplify the complicated process during installation and improve the installation efficiency.

The technical scheme is as follows: an anti-skid chain comprises a body, a fixing device positioned on one side of the body, a tightening device positioned on the other side of the body, and a plurality of tightening ropes uniformly distributed in the circumferential direction of the body; the fixing device comprises a fixed disc and a plurality of pulleys arranged on the fixed disc; the tightening device comprises a shell, a rotary column which is rotatably arranged in the shell, and a ratchet bar, wherein one end of the ratchet bar is hinged to the body, the other end of the ratchet bar penetrates through the shell and abuts against the surface of the rotary column, the rotary column is provided with a ratchet wheel, and the ratchet bar is provided with a pawl which is matched with the ratchet wheel to enable the rotary column to rotate in a single direction; the tightening ropes are correspondingly arranged in the pulleys in a penetrating mode one by one, one ends of the tightening ropes are connected to the side edge of the body close to one side of the fixing device, and the other ends of the tightening ropes sequentially penetrate through the body and the shell and are connected to the rotary columns; when the rotary column is rotated, the rotary column is wound around the tightening rope, so that the tightening rope is tightened.

The body comprises anti-slip strips and anti-slip sheets; the anti-slip strips are arranged in parallel to form a cylinder, the anti-slip sheets are evenly arranged on the outer peripheral surface of the cylinder formed by the anti-slip strips, and the two ends of each anti-slip sheet extend to the edges of the two sides of the body respectively.

The number of the anti-skid sheets is consistent with that of the tightening ropes, and the anti-skid sheets are provided with through holes penetrating through two ends; the tightening ropes penetrate through the anti-skid sheets from the through holes in a one-to-one correspondence mode.

The tightening device is provided with a plurality of ratchet bars which are evenly distributed in the circumferential direction of the rotary column.

The number of the ratchet strips is consistent with that of the anti-skid sheets, and the ratchet strips are correspondingly hinged at the end parts of the anti-skid sheets one to one.

The surface of the rotating column is provided with a plurality of ratchet wheels, and the ratchet wheels correspond to the ratchet bars one by one.

The surface of the rotary column is also provided with a plurality of grooves, the ratchet wheel and the grooves are arranged at intervals, and the tightening ropes are wound and fixed in the grooves in a one-to-one correspondence manner.

The fixed disk comprises two inserting pieces, wherein a clamping groove and a buckle which are matched with each other are respectively arranged on the two inserting pieces, and the two inserting pieces are mutually inserted and connected through the matching of the clamping groove and the buckle.

Has the advantages that: the anti-skid chain is provided with a body, a fixing device, a tightening device and a tightening rope. The body is sleeved on the surface of the wheel, so that the fixing device of the body is positioned on the inner side of the wheel and is fixedly connected with the axle through the fixing disc. The rotating column positioned at the outer side of the wheel is rotated to wind and tighten the tightening ropes, and the tightening ropes and the ratchet bar tighten the fixing device, the body and the tightening device to wrap the tire. Then the rotating column is fixed by the matching of the ratchet wheel and the pawl on the ratchet strip, and the rotating column is prevented from reversing to loosen the tightening rope, so that the quick fixed installation of the antiskid chain is realized. The device has simple structure, good installation stability and convenient use.

Drawings

FIG. 1 is a schematic view of the overall structure of the snow chain of the present invention;

FIG. 2 is a schematic diagram of the structure of the body;

FIG. 3 is a schematic view of the attachment arrangement of the securing device to the cinch cord;

FIG. 4 is a schematic view of a tightening mechanism;

FIG. 5 is a schematic view of a rotary post construction of the tightening device;

FIG. 6 is a schematic view of a ratchet structure;

FIG. 7 is a schematic view of a ratchet bar configuration.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It is to be noted that, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention herein is for the purpose of describing particular embodiments only, and is for the purpose of illustration only, such as "inner", "outer", "left", "right", and the like, and is not intended to be limiting of the invention.

As shown in fig. 1, a snow chain comprises a body 1, a fixing device (not shown) arranged at the left side of the body 1, a tightening device 3 arranged at the right side of the body 1, and six tightening ropes 4 uniformly distributed at intervals in the circumferential direction of the body 1.

Referring to fig. 2, the body 1 includes three round anti-slip strips 11 and six anti-slip sheets 12, and anti-slip lines are disposed on the surfaces of the anti-slip strips 11 and the anti-slip sheets 12. Three antislip strips 11 are arranged in parallel and are cylindrical, six antislip sheets 12 are arranged on the outer peripheral surface of the antislip strips 11 at equal intervals, the two ends of each antislip sheet 12 are flush with the outer side edges of the two antislip strips 11 on the outer side respectively, and the two ends of each antislip strip 11 and the two ends of each antislip sheet 12 form the outer side edge of the body 1 together.

As shown in fig. 3, the fixing device 2 includes a fixed disk 21 and six pulleys 22 installed at equal intervals in the circumferential direction of the fixed disk 21. The fixed disk 21 is formed by splicing two inserting pieces. Particularly, set up draw-in groove and the buckle of mutually supporting on two inserted sheets respectively, realize pegging graft each other of inserted sheet through the cooperation of draw-in groove and buckle. When the anti-skid chain needs to be installed, the fixed disc 21 is fixed on the axle through insertion.

As shown in fig. 4 and 5, the tightening device 3 includes a housing 31, a rotating column 32, and six ratchet bars 33. The rotary post 32 is rotatably disposed in the housing 31 and has six ratchets 34 and six grooves 36 spaced apart therefrom. The outer ends of the six ratchets 33 are respectively hinged on the six anti-slip sheets 12 in a one-to-one correspondence manner, and the other ends penetrate into the shell 31 from holes formed on the surface thereof and abut against the ratchets 34 of the rotating column 32. As shown in fig. 6 and 7, the pawl 35 of the ratchet bar 33 cooperates with the teeth of the ratchet wheel 34 to allow the rotation of the rotation post 32 in only one direction. The six ratchets 33, however, penetrate the casing 31 from different directions against the rotation post 32 and also support the casing 31 and the rotation post 32, so that the tightening device 3 of the snow chain does not need to be fixed to the wheel.

The tightening ropes 4 are steel wire ropes, and six tightening ropes 4 are correspondingly arranged in the pulleys 2) in a penetrating way. The end part of the tightening rope 4 positioned on the left side of the body 1 is connected to the antiskid sheet 12, and the other end of the tightening rope 4 sequentially penetrates through the through hole 13 of the antiskid sheet 12 and the hole arranged on the shell 31 and is respectively connected to the grooves 36 of the rotary column 32.

When the rotary post 32 is rotated by rotating the knob 37, the rotary post 32 is wound around the tightening cord 4, so that the tightening cord 4 is tightened, thereby fixing the entire snow chain to the wheel. When the anti-skid chain is disassembled, the tightening rope 4 can be loosened only by opening the fixed disc 21, and the anti-skid chain can be disassembled quickly.

Claims

1. An anti-skid chain is characterized by comprising a body (1), a fixing device (2) positioned on one side of the body (1), a tightening device (3) positioned on the other side of the body (1), and a plurality of tightening ropes (4) uniformly distributed on the circumferential direction of the body (1); the fixing device (2) comprises a fixed disc (21) and a plurality of pulleys (22) arranged on the fixed disc (21); the tightening device (3) comprises a shell (31), a rotating column (32) which is rotatably arranged in the shell (31), and a ratchet bar (33) with one end hinged on the body (1) and the other end penetrating through the shell (31) and abutting against the surface of the rotating column (32), wherein the rotating column (32) is provided with a ratchet wheel (34), and the ratchet bar (33) is provided with a pawl (35) which is matched with the ratchet wheel (34) to enable the rotating column (32) to rotate in a single direction; the tightening ropes (4) are correspondingly arranged in the pulleys (22) in a penetrating manner, one end of each tightening rope (4) is connected to the side edge of the body (1) close to one side of the fixing device, and the other end of each tightening rope (4) sequentially penetrates through the body (1) and the shell (31) and is connected to the rotary column (32); when the rotary column (32) is rotated, the rotary column (32) winds the tightening rope (4) so that the tightening rope (4) is tightened.

2. Snow chain according to claim 1, characterized in that said body (1) comprises cleats (11) and cleats (12); the anti-skid strips (11) are arranged in parallel to form a cylinder, the anti-skid sheets (12) are uniformly arranged on the outer circumferential surface of the cylinder formed by the anti-skid strips (11), and the two ends of each anti-skid sheet (12) extend to the edges of the two sides of the body (1) respectively.

3. Snow chain according to claim 2, characterized in that the number of said anti-slip sheets (12) corresponds to the number of said tightening cords (4), the anti-slip sheets (12) having through holes (13) passing through both ends; the tightening ropes (4) penetrate through the anti-skid sheets (12) from the through holes (13) in a one-to-one correspondence manner.

4. Snow chain according to claim 3, characterized in that said tightening device (3) has a plurality of said ratchets (33), said plurality of ratchets (33) being evenly distributed in the circumferential direction of said stud (32).

5. Snow chain according to claim 4, characterized in that said ratchets (33) are in correspondence of said cleats (12), said ratchets (33) being hinged one to one at the end of the cleats (12).

6. The snow chain according to claim 4, characterized in that said rotation post (32) surface has a plurality of ratchets (34), said ratchets (34) corresponding one-to-one to said ratchets (33).

7. The snow chain according to claim 6, characterized in that the surface of the rotary column (32) is further provided with a plurality of grooves (36), the ratchet wheel (34) and the grooves (36) are arranged at intervals, and the tightening ropes (4) are wound and fixed in the grooves (36) in a one-to-one correspondence.

8. The anti-skid chain according to claim 1, wherein the fixed disc (21) comprises two inserting sheets, the two inserting sheets are respectively provided with a clamping groove and a buckle which are matched with each other, and the two inserting sheets are mutually inserted through the matching of the clamping groove and the buckle.