CN212125084U

CN212125084U - Truck wheel chock

Info

Publication number: CN212125084U
Application number: CN202020131298.0U
Authority: CN
Inventors: 耿文定; 郭万里
Original assignee: Yangzhou Guangyuan Machinery Sheet Metal Co ltd
Current assignee: Yangzhou Guangyuan Machinery Sheet Metal Co ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-12-11
Anticipated expiration: 2030-01-20

Abstract

The utility model provides a truck wheel chock, which comprises a wheel chock body, wherein the bottom of the wheel chock body is rotatably provided with a ratchet wheel, and the axis of the ratchet wheel is arranged along the horizontal direction; when the wheel chock body is contacted with the truck tire, the axis of the ratchet wheel is parallel to the axis of the truck tire; the wheel chock body is also internally provided with a pawl matched with the ratchet wheel, and the pawl can limit the ratchet wheel to rotate towards the backward direction of the truck tire. The utility model discloses convenient to use prevents swift current car effectual.

Description

Truck wheel chock

Technical Field

The utility model particularly relates to a freight train wheel fender.

Background

At present, after a driver parks and leaves a truck, the truck is easy to slip due to wind power, external force or the gradient problem of a parking place, the danger is caused, the peripheral safety and the loss of the truck are damaged, the stability of the truck can be ensured, and the damage is not caused by the displacement, so that the truck is a practical problem to be solved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a freight train wheel fender, convenient to use prevents swift current car effectual.

The utility model adopts the following technical scheme:

a truck wheel chock comprises a wheel chock body, wherein a ratchet wheel is rotatably arranged at the bottom of the wheel chock body, and the axis of the ratchet wheel is arranged along the horizontal direction; when the wheel chock body is contacted with the truck tire, the axis of the ratchet wheel is parallel to the axis of the truck tire; the wheel chock body is also internally provided with a pawl matched with the ratchet wheel, and the pawl can limit the ratchet wheel to rotate towards the backward direction of the truck tire.

Preferably, the wheel chock body is generally triangular, the interior of the wheel chock body is hollow, the pawl and the ratchet wheel are both arranged in the inner cavity of the wheel chock body, the bottom of the wheel chock body is provided with a through hole, and the circumferential surface of the ratchet wheel penetrates through the through hole and extends out of the wheel chock body.

Preferably, the wheel chock body comprises a bottom plate contacted with the ground, a wheel chock plate contacted with a truck tire and a supporting plate connected between the bottom plate and the wheel chock plate, the through hole is formed in the bottom plate, and a bracket used for supporting the ratchet wheel and the pawl is further arranged in the inner cavity of the wheel chock body on the bottom plate.

Preferably, the two sides of the opening of the inner cavity of the wheel chock body are respectively provided with a triangular connecting plate which is adaptive to the shape of the inner cavity, and the triangular connecting plates are fixedly connected with the bottom plate, the wheel chock plate and the supporting plate.

Preferably, the wheel chock body is also internally provided with a reinforcing rib for supporting the wheel chock plate, and the reinforcing rib is connected between the wheel chock plate and the bottom plate or between the wheel chock plate and the supporting plate.

Preferably, the bottom of the wheel baffle and the bottom of the supporting plate can be in contact with the ground, the bottom plate is obliquely arranged between the wheel baffle and the supporting plate, when the bottom of the wheel baffle and the bottom of the supporting plate are in contact with the ground, a gap is reserved between the joint of the bottom plate and the supporting plate and the ground, and the through hole is close to the gap.

The utility model has the advantages that: when the utility model is used, the vehicle is stopped, the wheel chock body is pushed forwards by the ratchet wheel from the rear of the tire until the wheel chock body is contacted with the tire, at the moment, the ratchet wheel can be prevented from rotating backwards under the action of the pawl, the friction force between the wheel chock body and the ground is increased, and the wheel can be prevented from rotating backwards, so that the vehicle sliding is prevented; the utility model discloses convenient to use prevents swift current car effectual.

Drawings

The accompanying drawings are included to provide a preferred understanding of the present 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 principles of the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of the internal structure of FIG. 1;

fig. 3 is a plan view of fig. 2.

Labeled as: 10. a wheel chock body; 11. a base plate; 12. a wheel guard; 13. a support plate; 20. a ratchet wheel; 21. a ratchet wheel bracket; 30. a pawl; 31. a pawl holder; 40. reinforcing ribs; 50. triangular connecting plate.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 to 3, the truck wheel chock of the present embodiment includes a wheel chock body 10, a ratchet 20 is rotatably disposed at the bottom of the wheel chock body 10, and an axis of the ratchet 20 is disposed along a horizontal direction; when the wheel block body 10 is contacted with a truck tire, the axis of the ratchet wheel 20 is parallel to the axis of the truck tire; the wheel chock body 10 is also internally provided with a pawl 30 matched with the ratchet wheel 20, the pawl 30 can limit the ratchet wheel 20 to rotate towards the backward direction of the truck tire, when the wheel chock body is used, after the truck is stopped, the wheel chock body 10 is pushed forwards through the ratchet wheel 20 from the rear of the tire until the wheel chock body is contacted with the tire, at the moment, the ratchet wheel 20 can be prevented from rotating backwards under the action of the pawl 30, the friction force between the wheel chock body 10 and the ground is increased, the backward rotation of the truck can be prevented, and therefore the truck is prevented from sliding.

The wheel chock body 10 is generally triangular, the interior of the wheel chock body 10 is hollow, the pawl 30 and the ratchet 20 are both arranged in an inner cavity of the wheel chock body 10, a through hole is formed in the bottom of the wheel chock body 10, and the circumferential surface of the ratchet 20 penetrates through the through hole and extends out of the wheel chock body 10; the axial length of the ratchet wheel 20 is slightly smaller than the width of the wheel chock body 10, the ratchet wheel 20 is large enough to facilitate the movement of the wheel chock body 10, and the through hole extends along the axial direction of the ratchet wheel 20 and can allow the ratchet wheel 20 to contact with the ground.

Specifically, the wheel chock body 10 comprises a bottom plate 11 contacted with the ground, a wheel chock 12 contacted with a truck tire and a support plate 13 connected between the bottom plate 11 and the wheel chock 12, a through hole is arranged on the bottom plate 11, a ratchet wheel bracket 21 used for supporting the rotation of a ratchet wheel 20 and a pawl bracket 31 used for supporting the swinging of a pawl 30 are also arranged in an inner cavity of the wheel chock body 10 on the bottom plate 11, the structures of the ratchet wheel 20 and the pawl 30 are both arranged in the wheel chock body 10, the appearance is more attractive, triangular connecting plates 50 matched with the shapes of the inner cavities are respectively arranged on two sides of an opening of the inner cavity of the wheel chock body 10, and the triangular connecting plates 50 and the bottom plate 11, the wheel baffle 12 and the support plate 13 are fixedly connected, the inner cavity of the wheel baffle body 10 is sealed by the triangular connecting plate 50, so that the inner structure is shielded, the appearance is more attractive, and meanwhile, the triangular connecting plate 50 can provide support, so that the integral strength is improved; the inner cavity of the wheel chock body 10 is also provided with a reinforcing rib 40 for supporting the wheel chock 12, and the reinforcing rib 40 is connected between the wheel chock 12 and the bottom plate 11 or between the wheel chock 12 and the supporting plate 13, so that sufficient support is provided for the wheel chock 12, and the integral strength is improved.

Preferably, the bottom of the wheel fender 12 and the bottom of the supporting plate 13 can both contact with the ground, the bottom plate 11 is obliquely arranged between the wheel fender 12 and the supporting plate 13, when the bottom of the wheel fender 12 and the bottom of the supporting plate 13 contact with the ground, a gap is reserved between the joint of the bottom plate 11 and the supporting plate 13 and the ground, the through hole is close to the gap, the bottom of the wheel fender 12, the bottom of the supporting plate 13 and the circumferential surface of the ratchet 20 can all contact with the ground, at the moment, the wheel fender body 10 is placed on the ground more stably, and the wheel fender body 10 is pushed to move more stably.

The utility model discloses a theory of operation:

when the wheel chock is used, after a vehicle is stopped, the wheel chock body 10 is pushed forwards through the ratchet wheel 20 from the rear of the tire until the wheel chock body is contacted with the tire, at the moment, the ratchet wheel 20 can be prevented from rotating backwards under the action of the pawl 30, the friction force between the wheel chock body 10 and the ground is increased, the wheel can be prevented from rotating backwards, and therefore vehicle sliding is prevented.

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 truck wheel chock is characterized by comprising a wheel chock body, wherein a ratchet wheel is rotatably arranged at the bottom of the wheel chock body, and the axis of the ratchet wheel is arranged along the horizontal direction; when the wheel chock body is contacted with the truck tire, the axis of the ratchet wheel is parallel to the axis of the truck tire; the wheel chock body is also internally provided with a pawl matched with the ratchet wheel, and the pawl can limit the ratchet wheel to rotate towards the backward direction of the truck tire.

2. The truck wheel chock of claim 1, wherein the wheel chock body is substantially triangular, the wheel chock body is hollow inside, the pawl and the ratchet wheel are both disposed in the inner cavity of the wheel chock body, a through hole is formed in the bottom of the wheel chock body, and the circumferential surface of the ratchet wheel extends out of the wheel chock body through the through hole.

3. A truck wheel chock as claimed in claim 2, in which the chock body includes a floor contacting the ground, a wheel chock contacting the truck tyre, and a support plate connected between the floor and the wheel chock, the through hole opening in the floor, and a bracket on the floor in the cavity of the chock body for supporting the ratchet and pawl.

4. The truck wheel chock as claimed in claim 3, wherein triangular connecting plates adapted to the shape of the inner cavity are respectively provided at both sides of the opening of the inner cavity of the wheel chock body, and the triangular connecting plates are fixedly connected to the bottom plate, the wheel chock, and the support plate.

5. A truck wheel chock according to any one of claims 2 to 4, characterized in that a reinforcing rib for supporting the wheel chock is further provided in the inner cavity of the wheel chock body, and the reinforcing rib is connected between the wheel chock and the bottom plate or between the wheel chock and the supporting plate.

6. A truck wheel chock according to claim 5, wherein the bottom of the wheel retainer and the bottom of the supporting plate are both in contact with the ground, the bottom plate is obliquely arranged between the wheel retainer and the supporting plate, when the bottom of the wheel retainer and the bottom of the supporting plate are in contact with the ground, a gap is left between the joint of the bottom plate and the supporting plate and the ground, and the through hole is close to the gap.