CN212242851U

CN212242851U - Tire anti-skid chain tightening device

Info

Publication number: CN212242851U
Application number: CN202020963196.5U
Authority: CN
Inventors: 武增臣
Original assignee: Tianjin Tongwei Metal Products Co ltd
Current assignee: Tianjin Tongwei Metal Products Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2020-12-29
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses a tire anti-skid chain tightening device, which comprises a first connecting piece, a second connecting piece, a chain and an adjusting belt, wherein the first connecting piece and the second connecting piece are fixedly connected through the chain; the adjusting belt is fixedly connected with the first connecting piece, and a rack is fixedly connected to the top surface of the adjusting belt; one end, far away from the chain, of the second connecting piece is fixedly connected with an adjusting device, the adjusting device comprises an adjusting box, a partition plate, a gear and an adjuster, the gear is rotatably connected to the left half part inside the adjusting box, a through groove is formed in the top of the adjusting box, and the adjusting belt penetrates through the through groove to be meshed and connected with the gear; the regulator is fixedly connected to the right half part inside the regulating box, and the regulator is clamped with the gear. The utility model discloses a rotation of ratchet and pawl restriction gear, thereby the rotation of the removal control gear through hand wheel and transmission shaft control pawl, whole device is rationally distributed, design benefit can realize the two-way regulation of regulation band.

Description

Tire anti-skid chain tightening device

Technical Field

The utility model relates to a tyre chain adjusting device field specifically is a tire tyre chain take-up unit.

Background

The anti-skid chain is generally made of a steel chain or a rubber chain and has an anti-skid function, and a plurality of car owners can add the anti-skid chain to the tires of loved cars in rainy and snowy days so as to improve the grip of the tires and further improve the driving safety. The tightness of the anti-skid chain needs to be adjusted through the adjusting device when the anti-skid chain is installed, but the traditional adjusting device is easy to loosen, the anti-skid chain can fall off in the running process of the automobile, and great potential safety hazards can be brought. In order to solve the problems, the tire chain tightening device is improved and provided.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a tire anti-skid chain take-up unit, including first connecting piece, second connecting piece, chain and regulation band, all bore one row of through-holes on first connecting piece and the second connecting piece to fixedly connected with same root chain on the through-hole of first connecting piece and second connecting piece same position, first connecting piece and second connecting piece pass through many chain fixed connection; the adjusting belt is fixedly connected to one end, far away from the chain, of the first connecting piece, and a rack is fixedly connected to the top surface of the adjusting belt; one end, far away from the chain, of the second connecting piece is fixedly connected with an adjusting device, the adjusting device comprises an adjusting box, a partition plate, a gear and an adjuster, the partition plate is fixedly connected inside the adjusting box, the partition plate divides the inside of the adjusting box into a left part and a right part, the gear is rotatably connected to the left half part inside the adjusting box, a through groove for an adjusting belt to pass through is formed in the top of the adjusting box, and the adjusting belt passes through the through groove and is in meshed connection with the gear; the regulator is fixedly connected to the right half part inside the regulating box, and the regulator is clamped with the gear.

As a preferred technical scheme of the utility model, the regulator comprises mounting bracket, ratchet and pawl, and wherein mounting bracket fixed connection is in the inside right half part of regulating box to the inner wall of mounting bracket rotates and is connected with a plurality of pawls, fixedly connected with is in compression state's a reset spring between pawl and the mounting bracket, ratchet and pawl joint.

As an optimal technical scheme of the utility model, the coaxial fixedly connected with transmission shaft in one side of gear is kept away from to the ratchet, the transmission shaft rotates with the lateral wall of regulating box to be connected to the other end fixedly connected with convenient to use person of transmission shaft rotates and the hand wheel of pulling ratchet.

As an optimized technical scheme of the utility model, fixedly connected with is in the second reset spring under the compression state between the inner wall of ratchet and regulating box.

As a preferred technical scheme of the utility model, one side car that the gear is close to the ratchet has the joint groove, the ratchet is close to the one end fixedly connected with of gear and the connecting rod that the joint groove matches, connecting rod and joint groove joint, and the gear passes through the connecting rod and is connected with ratchet transmission.

As a preferred technical scheme of the utility model, the gear is kept away from one side fixed fixedly connected with rotation spliced pole in joint groove, the inner wall of regulating box is provided with the rotation spread groove that matches with the rotation spliced pole, the rotation spliced pole passes through the bearing and rotates the spread groove and be connected.

As an optimal technical scheme of the utility model, the bottom fixedly connected with of regulating box is used for placing the terminal fixed slot of regulation band.

The utility model has the advantages that: this tire tyre chain elasticity device passes through second connecting piece fixed connection regulating box, connects the regulation band that has the rack through rotating the gear engagement who connects in the regulating box inside, through the rotation of ratchet and pawl restriction gear, thereby the rotation of the removal control gear through hand wheel and transmission shaft control pawl, whole device is rationally distributed, design benefit can realize the two-way regulation of regulation band, the speed of adjusting has been improved greatly under the prerequisite of guaranteeing that the regulation band does not take place not hard up.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of a tire chain tensioner of the present invention;

FIG. 2 is an enlarged schematic view of the tire chain tensioner of the present invention at A in FIG. 1;

FIG. 3 is a schematic view of the inner structure of an adjusting box of the tire chain tensioner of the present invention;

FIG. 4 is a schematic structural view of a tire chain tensioner adjuster of the present invention;

in the figure: 1. a first connecting member; 2. a second connecting member; 3. a chain; 4. an adjustment belt; 5. a rack; 6. an adjusting box; 7. a partition plate; 8. a gear; 9. a regulator; 91. a mounting frame; 92. a ratchet wheel; 93. a pawl; 94. a first return spring; 10. a drive shaft; 11. a hand wheel; 12. a connecting rod; 13. rotating the connecting column; 14. rotating the connecting groove; 15. a second return spring; 16. and fixing the grooves.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1 and 2, a tire chain tensioner comprises a first connecting piece 1, a second connecting piece 2, chains 3 and an adjusting belt 4, wherein a row of through holes are drilled in the first connecting piece 1 and the second connecting piece 2, the same chain 3 is fixedly connected to the through holes at the same position of the first connecting piece 1 and the second connecting piece 2, and the first connecting piece 1 and the second connecting piece 2 are fixedly connected through a plurality of chains 3; the adjusting belt 4 is fixedly connected to one end, far away from the chain 3, of the first connecting piece 1, and a rack 5 is fixedly connected to the top surface of the adjusting belt 4.

As shown in fig. 2 and 3, an adjusting device is fixedly connected to an end of the second connecting member 2 away from the chain 3, the adjusting device includes an adjusting box 6, a partition plate 7, a gear 8 and an adjuster 9, the partition plate 7 is fixedly connected inside the adjusting box 6, the partition plate 7 divides the inside of the adjusting box 6 into a left part and a right part, the gear 8 is rotatably connected to the left half inside the adjusting box 6, a through groove 61 for the adjusting belt 4 to pass through is formed in the top of the adjusting box 6, and the adjusting belt 4 passes through the through groove 61 and is in meshed connection with the gear 8. The adjuster 9 is fixedly connected to the right half part inside the adjusting box 6, and the adjuster 9 is clamped with the gear 8.

A transmission shaft 10 is coaxially and fixedly connected to one side of the ratchet wheel 92, which is far away from the gear 8, the transmission shaft 10 is rotatably connected to the side wall of the adjusting box 6, and a hand wheel 11, which is convenient for a user to rotate and pull the ratchet wheel 92, is fixedly connected to the other end of the transmission shaft 10.

Gear 8 is close to one side car of ratchet 92 has the joint groove, ratchet 92 is close to gear 8's one end fixedly connected with and connects the connecting rod 12 that the groove matches, connecting rod 12 and joint groove joint, and gear 8 passes through connecting rod 12 and is connected with ratchet 92 transmission. The fixed fixedly connected with in one side of joint groove rotates spliced pole 13 is kept away from to gear 8, the inner wall of regulating box 6 is provided with the rotation spread groove 14 that matches with rotation spliced pole 13, rotate spliced pole 13 and rotate spread groove 14 through the bearing and be connected, rotate spliced pole 13 and rotate spread groove 14 and improve gear 8 stability when rotating.

A second return spring 15 in a compressed state is fixedly connected between the ratchet wheel 92 and the inner wall of the adjusting box 6, and the second return spring 15 can be used for automatically returning the ratchet wheel 92 after the ratchet wheel 92 is pulled out. The bottom of the adjusting box 6 is fixedly connected with a fixing groove 16 for placing the tail end of the adjusting belt 4.

As shown in fig. 4, the adjuster 9 is composed of a mounting bracket 91, a ratchet wheel 92 and a pawl 93, wherein the mounting bracket 91 is fixedly connected to the right half part inside the adjusting box 6, the inner wall of the mounting bracket 91 is rotatably connected with a plurality of pawls 93, a first return spring 94 in a compressed state is fixedly connected between the pawls 93 and the mounting bracket 91, and the ratchet wheel 92 is clamped with the pawls 93.

The working principle is as follows: (1) and (3) tensioning: the chain 3 is placed on top of the tyre and the first and

second connectors

1 and 2 are placed on the inner and outer side walls of the tyre, respectively, the adjusting belt 4 is passed through the hub and the adjusting belt 4 is inserted into the through slot 61 so that the rack 5 and the gear 8 engage, the adjusting belt 4 being only adjustable in tension due to the ratchet 92 and the pawl 93 being engaged. (2) Loosening process: the ratchet wheel 92 is pulled out of the mounting frame 91 through the hand wheel 11, the adjusting belt 4 can be loosened and adjusted back because the ratchet wheel 92 is not limited, when the adjusting belt 4 is adjusted to a proper position, the hand wheel 11 is loosened, the ratchet wheel 92 is clamped with the pawl 93 again under the pushing of the second return spring 15, and the position of the adjusting belt 4 is locked.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A tire anti-skid chain tightening device comprises a first connecting piece (1), a second connecting piece (2), chains (3) and an adjusting belt (4), and is characterized in that a row of through holes are drilled in the first connecting piece (1) and the second connecting piece (2), the same chain (3) is fixedly connected to the through holes in the same positions of the first connecting piece (1) and the second connecting piece (2), and the first connecting piece (1) and the second connecting piece (2) are fixedly connected through a plurality of chains (3); the adjusting belt (4) is fixedly connected to one end, far away from the chain (3), of the first connecting piece (1), and a rack (5) is fixedly connected to the top surface of the adjusting belt (4); one end, far away from the chain (3), of the second connecting piece (2) is fixedly connected with an adjusting device, the adjusting device comprises an adjusting box (6), a partition plate (7), a gear (8) and an adjuster (9), the partition plate (7) is fixedly connected inside the adjusting box (6), the partition plate (7) divides the inside of the adjusting box (6) into a left part and a right part, the gear (8) is rotatably connected to the left half part inside the adjusting box (6), a through groove (61) for the adjusting belt (4) to pass through is formed in the top of the adjusting box (6), and the adjusting belt (4) passes through the through groove (61) and is meshed with the gear (8); the regulator (9) is fixedly connected to the right half part inside the regulating box (6), and the regulator (9) is clamped with the gear (8).

2. The tire chain tensioner according to claim 1, characterized in that the adjuster (9) is composed of a mounting bracket (91), a ratchet (92) and a pawl (93), wherein the mounting bracket (91) is fixedly connected to the right half inside the adjusting box (6), and the inner wall of the mounting bracket (91) is rotatably connected with a plurality of pawls (93), a first return spring (94) in a compressed state is fixedly connected between the pawl (93) and the mounting bracket (91), and the ratchet (92) is clamped with the pawl (93).

3. A tyre chain tensioner according to claim 2, characterized in that a transmission shaft (10) is coaxially and fixedly connected to one side of the ratchet wheel (92) remote from the gear (8), the transmission shaft (10) is rotatably connected to a side wall of the adjustment box (6), and a hand wheel (11) for a user to rotate and pull the ratchet wheel (92) is fixedly connected to the other end of the transmission shaft (10).

4. A tyre chain tensioner according to claim 3, characterized in that a second return spring (15) in a compressed state is fixedly connected between the ratchet wheel (92) and the inner wall of the adjustment box (6).

5. The tire chain tensioner according to claim 4, wherein a clamping groove is formed in one side of the gear (8) close to the ratchet wheel (92), a connecting rod (12) matched with the clamping groove is fixedly connected to one end of the ratchet wheel (92) close to the gear (8), the connecting rod (12) is clamped with the clamping groove, and the gear (8) is in transmission connection with the ratchet wheel (92) through the connecting rod (12).

6. A tire chain tensioner according to claim 5, characterized in that the side of the gear (8) remote from the clamping groove is fixedly connected with a rotary connecting post (13), the inner wall of the adjusting box (6) is provided with a rotary connecting groove (14) matching with the rotary connecting post (13), and the rotary connecting post (13) is rotatably connected with the rotary connecting groove (14) through a bearing.

7. The tire chain tensioner as claimed in claim 1, wherein the bottom of the regulating box (6) is fixedly connected with a fixing groove (16) for placing the end of the regulating belt (4).