CN217374694U

CN217374694U - Light-duty freight train breast board locking device

Info

Publication number: CN217374694U
Application number: CN202221238664.8U
Authority: CN
Inventors: 李卓航; 王俊辉; 宋凯凯; 张西强; 许念江; 刘守科; 赵娜
Original assignee: China National Heavy Duty Truck Group Jinan Power Co Ltd
Current assignee: China National Heavy Duty Truck Group Jinan Power Co Ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-09-06
Anticipated expiration: 2032-05-23

Abstract

The utility model discloses a light cargo carriage sideboard locking device, which comprises a front sideboard, a rear sideboard, a bolt, a lock box, a lock ring, a double-ring lock rope and a fixing device, wherein the cross section of the lock box is of a U-shaped structure, two lock tongues are arranged on the outer side of the bottom of the lock box, and lock tongue through holes are arranged on the lock tongues; a through hole is formed at the limiting end at the upper part of the bolt, and the lock ring penetrates into the through hole; the front breast board and the rear breast board are respectively provided with a front breast board long circular hole and a rear breast board long circular hole through which the lock box passes, the fixing device is fixedly connected with the lock box, and the bolt penetrates through the bolt through hole from top to bottom to be limited and fixed. The utility model has simple structure and convenient operation, can effectively improve the operation efficiency and has low failure rate; the hidden danger of locking moment attenuation is avoided, and the reliability is effectively improved; reduce spare part quantity, promote carriage lightweight level.

Description

Light-duty freight train breast board locking device

Technical Field

The utility model relates to a light-duty freight train breast board locking device relates to the freight train field, belongs to light-duty freight train spare part technical field.

Background

For the railing type truck, the cargo compartment is indispensable as a carrier for transporting cargos, wherein the opening and closing of the railing is required to be provided with a set of reliable locking devices so as to meet the loading and unloading requirements. Because the loading and unloading of goods need frequent opening and close the carriage breast board, the board lock locking mechanism structure that uses often is complicated on the one hand, and along with the use in carriage, the locking force of board lock constantly attenuates, has the inefficacy hidden danger, and scrapes the breast board lacquer painting among the used repeatedly, influences the carriage outward appearance. In addition, the common locking rod locking structure needs to be matched with a spring and a nut for use, the structure is slightly simple compared with a plate locking device, but the locking moment is difficult to adjust, the barrier plate is extremely easy to open and is unsmooth, or the barrier plate cannot be closed again after being opened, the operation is inconvenient, and the physical examination of a user is extremely poor. For improving carriage locking device's use physical examination, the operation of being convenient for, the utility model discloses the locking device of carriage breast board has been improved.

Disclosure of Invention

The utility model aims to solve the technical problem that to the defect that prior art exists, provide a light-duty carriage breast board locking device that carries cargo, solve locking device reliability reduction, locking device complex operation after long-time frequent use, open and close the problem that the breast board is long-consuming, influences the operating efficiency.

In order to solve the technical problem, the utility model provides a light cargo carriage sideboard locking device, which comprises a front sideboard, a rear sideboard, a bolt, a lock box, a lock ring, a double-ring lock rope and a fixing device, wherein the section of the lock box is of a U-shaped structure, two lock tongues are arranged on the outer side of the bottom of the lock box, and lock tongue through holes are arranged on the lock tongues; a through hole is formed at the limiting end at the upper part of the bolt, and the lock ring penetrates into the through hole; the front breast board and the rear breast board are respectively provided with a front breast board long circular hole and a rear breast board long circular hole through which the lock box passes, the fixing device is fixedly connected with the lock box, and the bolt penetrates through the bolt through hole from top to bottom to be limited and fixed.

Two ends of the double-ring locking rope are respectively provided with a connecting ring, and one end of the double-ring locking rope is connected with the locking ring; the other end is pressed tightly by a screw fixed on the upper plane of the breast board.

The bolt extends 10-50mm to the outer side of the breast board relative to the fixing device.

The lock box is of an integrally formed structure.

Has the advantages that: the carriage breast board locking device of the utility model is fixed by adopting bolt locking, firstly, the structure is simple, the operation is convenient, the operation efficiency can be effectively improved, the failure rate is low, and the use experience is improved; the locking device does not need to adjust the locking torque, has no hidden trouble of the attenuation of the locking torque, and effectively improves the reliability of the locking device in long-time use; and finally, the locking device combines the functions of the parts, reduces the number of the parts and improves the light weight level of the carriage. Through connect catch and dicyclo lock rope on the bolt, guaranteed the placing of carriage breast board bolt after opening, avoid losing.

Drawings

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

FIG. 2 is a partially enlarged schematic view of the structure of the present invention;

FIG. 3 is a front view of the present invention;

fig. 4 is a schematic structural view of the lock box of the present invention.

In the figure: A. a front breast board; B. a tailgate; C. a fixing device; 1. a bolt; 2. a lock case; 3. a locking ring; 4. a double-ring locking rope; 5. a screw; a1, a front breast board slotted hole; b1, a long round hole of the rear breast board; 201. a bolt through hole; 202. and a lock tongue.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1-4, the utility model provides a light cargo carriage balustrade locking device, which comprises a front balustrade a, a rear balustrade B, a bolt 1, a lock box 2, a lock ring 3, a double-ring lock rope 4 and a fixing device C, wherein the section of the lock box 2 is of a U-shaped structure, two lock tongues 202 are arranged on the outer side of the bottom of the lock box, and lock tongue through holes 201 are arranged on the lock tongues 202; a through hole is formed at the limiting end at the upper part of the bolt 1, and the lock ring 3 penetrates into the through hole; the front fence plate A and the rear fence plate B are respectively provided with a front fence plate long circular hole A1 and a rear fence plate long circular hole B1 through which the lock box 2 passes, and the front fence plate A and the rear fence plate B close upwards and the rear lock tongue 202 passes through the front fence plate long circular hole A1 and the rear fence plate long circular hole B1; the fixing device C is fixedly connected with the lock box 2, the bolt 1 penetrates through the bolt through hole 201 from top to bottom for limiting and fixing, and the bolt 1 is connected with the lock ring 3, the double-ring lock rope 4 and the breast board together, so that the bolt is prevented from being lost in the frequent opening process of the breast board; the device locking mode is simple, and the fault rate is low, and cost of maintenance is low, effectively promotes the reliability of carriage breast board locking.

Two ends of the double-ring locking rope 4 are respectively provided with a connecting ring, and one end of the double-ring locking rope is connected with the locking ring 3; the other end is pressed tightly by a screw 5 fixed on the upper plane of the breast board to avoid falling off; the locking device has simple structure and convenient operation, and the reliability of the locking device is not influenced after long-time use.

The bolt 202 extends 10-50mm to the outer side of the breast board relative to the fixing device C, and the bolt 202 penetrates through a through hole of the fixing device C from inside to outside; the fixing device C is connected with the lock box 2, and then the bolt 1 is inserted into the bolt through hole 201 to fix the breast board body.

Lock box 2 is the integrated into one piece structure, has increased the structure function of fixing bolt under guaranteeing breast board intensity.

The utility model discloses simple structure and easily assembly reduce spare part quantity when playing fixed and guard action to the breast board, satisfy the lightweight demand of carriage design, reduce the carriage cost.

The above embodiments of the present invention are merely examples, not the only ones, and all changes within the scope of the present invention or the same range of the present invention are all surrounded by the present invention.

Claims

1. The utility model provides a light-duty freight train breast board locking device which characterized in that: the lock comprises a front breast board (A), a rear breast board (B), a bolt (1), a lock box (2), a lock ring (3), a double-ring lock rope (4) and a fixing device (C), wherein the cross section of the lock box (2) is of a U-shaped structure, two lock tongues (202) are arranged on the outer side of the bottom of the lock box, and lock tongue through holes (201) are formed in the lock tongues (202); a through hole is formed in the upper limiting end of the bolt (1), and the lock ring (3) penetrates into the through hole; the front fence plate (A) and the rear fence plate (B) are respectively provided with a front fence plate long circular hole (A1) and a rear fence plate long circular hole (B1) through which the lock box (2) passes, the fixing device (C) is fixedly connected with the lock box (2), and the bolt (1) penetrates through the bolt through hole (201) from top to bottom to be limited and fixed.

2. A pickup truck bed fence locking system as set forth in claim 1 wherein: two ends of the double-ring locking rope (4) are respectively provided with a connecting ring, and one end of the double-ring locking rope is connected with the locking ring (3); the other end is pressed tightly by a screw (5) fixed on the upper plane of the breast board.

3. A pickup truck bed fence locking system as set forth in claim 1 wherein: the lock tongue (202) extends 10-50mm to the outer side of the breast board relative to the fixing device (C).

4. A pickup truck bed fence locking apparatus as set forth in claim 1, 2 or 3 wherein: the lock box (2) is of an integrally formed structure.