CN214776196U

CN214776196U - Tail door locking device

Info

Publication number: CN214776196U
Application number: CN202121336276.9U
Authority: CN
Inventors: 李伟; 姚泽功; 王利民; 韩鹏会; 张娜; 周兴林
Original assignee: Hubei Jiangshan Special Purpose Vehicle Co ltd
Current assignee: Hubei Jiangshan Special Purpose Vehicle Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-11-19
Anticipated expiration: 2031-06-16

Abstract

A tail gate locking device is characterized in that a tail gate side column matched with each locking mechanism assembly is arranged on one side, close to the locking mechanism assemblies, of a tail gate; the locking mechanism assembly comprises a locking hook component, a guide component and an actuating element capable of reciprocating, and the actuating element is arranged on the fixed plate; the lock hook assembly comprises a connecting plate connected with the top end of the actuating element, and a first lock hook and a second lock hook which are arranged on two sides of the connecting plate in parallel, wherein through holes for mounting the guide pin shafts are formed in the first lock hook and the second lock hook; the guide assembly comprises a first lock hook guide plate and a second lock hook guide plate which are arranged at two end parts of the fixed plate in parallel, an arc-shaped guide groove for guiding is formed in the first lock hook guide plate and the second lock hook guide plate, the two arc-shaped guide grooves are symmetrically arranged, and two end parts of a guide pin shaft are respectively arranged in the arc-shaped guide grooves on the first lock hook guide plate and the second lock hook guide plate; the locking hook does not need to be manually shifted, and the locking hook is convenient to operate, reasonable in arrangement, remarkable in effect and convenient to implement.

Description

Tail door locking device

Technical Field

The utility model relates to a tail-gate locking device technical field, in particular to haulage vehicle's tail-gate locking device.

Background

In recent years, the national environmental protection policy has been strongly promoted. PC component carriers are gradually entering residential industrial construction. According to the prior art, the tail door locking device of the mainstream PC component transport vehicle at home and abroad mainly depends on manual locking of a locking hook on a door post, and a wrench tool is needed during manual locking, and locking is completed through a fulcrum lever principle; meanwhile, in order to ensure that the locking is firm, at least manual locking mechanisms uniformly distributed at four tail doors are needed, the force application needs to be kept consistent when the locking is carried out, and otherwise, the leakage phenomenon at the unlocked position can occur. And when the tail gate is unlocked, the locking hook needs to be manually pulled out to open the tail gate again. The structure is more tedious to operate, not strong in automation, not only wastes manpower, but also easily damages the tail gate or the locking hook to increase the maintenance cost if the operation is improper by a new hand.

Disclosure of Invention

An object of the utility model is to provide a tail-gate locking device with low costs, the commonality is strong, automatic strong, convenient to use.

The technical scheme of the utility model is that:

the rear end of one side plate of a carriage is hinged with one end of a tail gate through two tail gate hinge seats, the rear end of the other side plate of the carriage is provided with more than one locking mechanism assembly, and one side of the tail gate close to the locking mechanism assemblies is provided with tail gate side columns matched with the locking mechanism assemblies;

the locking mechanism assembly comprises a locking hook component, a guide component and an actuating element capable of doing reciprocating motion, and the actuating element is arranged on the fixed plate;

the lock hook assembly comprises a connecting plate connected with the top end of the actuating element, and a first lock hook and a second lock hook which are arranged on two sides of the connecting plate in parallel, wherein through holes for mounting the guide pin shafts are formed in the first lock hook and the second lock hook;

the guide assembly comprises a first lock hook guide plate and a second lock hook guide plate which are arranged at two end portions of the fixed plate in parallel, an arc-shaped guide groove for guiding is formed in the first lock hook guide plate and the second lock hook guide plate, the two arc-shaped guide grooves are symmetrically arranged, and two end portions of a guide pin shaft are arranged in the arc-shaped guide grooves in the first lock hook guide plate and the second lock hook guide plate respectively.

The bending direction of the arc-shaped guide groove is opposite to the direction of the hook openings of the first lock hook and the second lock hook.

The first lock hook and the second lock hook are connected with each other through a connecting rod.

The connecting plate is a U-shaped plate, a pin shaft mounting hole is formed in the U-shaped opening end of the connecting plate respectively, the connecting plate is connected with the first lock hook and the second lock hook through pin shafts, an assembling hole is formed in each of the first lock hook guide plate and the second lock hook guide plate, the two assembling holes are symmetrically arranged, and the two assembling holes correspond to the pin shafts.

The actuating element is an oil cylinder or an air cylinder.

The connecting plate is connected with a piston rod of the oil cylinder or the air cylinder.

And a supporting plate is respectively arranged between the fixed plate and the first lock hook guide plate and between the fixed plate and the second lock hook guide plate.

The supporting plate is triangular.

The tail-gate hinge seat comprises a fixed seat, one end of the fixed seat is provided with a hole for installing a pin, the fixed seat is further provided with a connecting block, the connecting block is mutually hinged with the fixed seat through the pin, and the bottom of the pin is provided with a fixing nut.

The connecting block of the tail gate hinge seat is connected with one end of the tail gate.

The utility model discloses a from locking hook of area direction, this locking hook direction stroke is related with hydro-cylinder (cylinder) stroke, and flexible drive locking hook activity through hydro-cylinder (cylinder) does not need manual operation can realize locking or opening the tail-gate. The control is convenient and fast, the arrangement is reasonable, the effect is obvious, and the implementation is convenient. The artificial waste is reduced, the risk of the damage of the tail gate is reduced, and the performance of the product is improved.

The whole tail gate can be locked on the PC component transport vehicle body only by using one locking mechanism, the cost is saved, the hydraulic system with high reliability is adopted to control the tail gate to be locked, the locking of the tail gate is completed through the extension and contraction of the hydraulic cylinder, the quick and efficient locking of the tail gate and the PC component transport vehicle body is realized, and the leakage phenomenon caused by uneven locking is reduced.

Drawings

FIG. 1 is a front view of the tailgate locking device of the present invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of the locking mechanism assembly of the present invention;

fig. 4 is a schematic structural view of the tail gate hinge seat of the present invention;

in the figure: 1. a tail gate hinge seat; 2. a tailgate; 3. a rear door jamb; 4. a locking mechanism assembly; 5. a first lock hook; 6. a first lock hook guide plate; 7. a fixing plate; 8. a guide pin shaft; 9. a pin shaft; 10. a connecting plate; 11. an actuator; 12. an arc-shaped guide groove; 13. an assembly hole; 14. a fixed seat; 15. a pin; 16. and (5) fixing the nut.

Detailed Description

The technical solution in the embodiment of the present invention will now be clearly and completely described with reference to the accompanying drawings.

In fig. 1 and 2, two tail gate hinge seats 1 are fixed on the rear surface of one side plate of a carriage, and a locking mechanism assembly 4 is fixed on the rear end of the other side of the carriage. One end of the tail gate 2 is hinged with the two tail gate hinged seats 1 through two pins 15, the other end of the tail gate 2 is vertically provided with a tail gate side column 3, and the tail gate side column 3 is matched with a locking hook of the locking mechanism assembly 4 to lock the tail gate 2 and the carriage. Two articulated seats of tail-gate 1 divide establish on both ends about the trailing flank of curb plate, set up the holding power of two articulated seats of tail-gate 1 reinforcing to tail-gate 2, when the tail-gate is in free state, prevent to cause the connecting pin axle atress deformation between tail-gate 2 and the articulated seat of tail-gate 1 because of the gravity of tail-gate 2 self, and then lead to the card to die, can not rotate or rotatory the resistance to force is great, need maintain the change, waste time and energy. The whole tail gate can be locked on the PC component transport vehicle body only by using one locking mechanism, the cost is saved, the hydraulic system with high reliability is adopted to control the tail gate to be locked, the locking of the tail gate is completed through the extension and contraction of the hydraulic cylinder, the quick and efficient locking of the tail gate and the PC component transport vehicle body is realized, and the leakage phenomenon caused by uneven locking is reduced.

In fig. 3, the locking mechanism assembly 4 includes a latch hook component, a guide component, and an actuating element 11, wherein the actuating element 11 is used for driving the latch hook component to move along the guide component to lock or unlock. The actuator 11 is a cylinder or cylinder that is reciprocable. The lock hook assembly comprises a connecting plate 10, the connecting plate 10 is a U-shaped plate, a pin shaft mounting hole is formed in the U-shaped opening end of the connecting plate 10 respectively, a first lock hook 5 and a second lock hook are symmetrically hinged to two end portions of the connecting plate 10 through pin shafts 9, an executing element 11 is mounted on a fixing plate 7, and the top end of the executing element 11 (a piston rod of an oil cylinder or an air cylinder) penetrates through a through hole in the fixing plate 7 and then is connected with the bottom of the connecting plate 10. The first lock hook 5 and the second lock hook are bent to form an arc-shaped structure used for hooking the tail door jamb 3 towards one side of the tail door jamb 3, one ends of the first lock hook 5 and the second lock hook close to the arc-shaped structure are connected with each other through a connecting rod, and the other end of the first lock hook 5 and the second lock hook is provided with a through hole used for installing a guide pin shaft 8. The guide assembly comprises a first lock hook guide plate 6 and a second lock hook guide plate which are parallelly arranged on the outer side of the lock hook assembly, the first lock hook guide plate 6 and one end portion of the second lock hook guide plate are perpendicularly connected to the upper end portion and the lower end portion of the fixed plate 7, a triangular support plate is arranged between the fixed plate 7 and the first lock hook guide plate 6 and between the second lock hook guide plate respectively, the first lock hook guide plate 6 and the second lock hook guide plate are prevented from deforming, the guide pin shaft 8 cannot smoothly slide along the guide groove 12, and the lock hook assembly is enabled to be locked and disabled. The locking mechanism comprises a first lock hook guide plate 6, an arc-shaped guide groove 12 is formed in a second lock hook guide plate, the two arc-shaped guide grooves 12 are symmetrically arranged, and are used for guiding a first lock hook 5 and a second lock hook, the bending direction of the arc-shaped guide groove 12 is opposite to that of the first lock hook 5 and the second lock hook, two ends of a guide pin shaft 8 are respectively arranged in the first lock hook guide plate 6 and the arc-shaped guide groove 12 in the second lock hook guide plate, and through the two arc-shaped guide grooves 12, the first lock hook 5 and the second lock hook 5 hinged to a connecting plate 10 and the second lock hook, the linear motion of an executing element 11 is changed into arc motion, so that the first lock hook 5 and the second lock hook smoothly hook the tail door jamb 3, the locking of the tail door 2 is realized, and the locking effectiveness is improved. Be equipped with an pilot hole 13 on latch hook deflector 6, the latch hook deflector two respectively, two pilot holes 13 symmetry sets up, and two pilot holes 13 are corresponding with round pin axle 9, set up the mounting hole, and when round pin axle 9 damaged, for dismantling round pin axle 9 reservation position, convenient dismantlement work down.

In fig. 4, the hinged tail gate seat 1 includes a fixing seat 14, a hole for installing a pin 15 is formed in one end of the fixing seat 14, a connecting block is further installed on the fixing seat 14, the connecting block is hinged to the fixing seat 14 through the pin 15, and a fixing nut 16 is installed at the bottom of the pin 15.

The utility model discloses a locking hook direction stroke is related with hydro-cylinder (cylinder) stroke, and flexible drive locking hook activity through hydro-cylinder (cylinder) does not need manual operation can realize locking or opening the tail-gate. The control is convenient and fast, the arrangement is reasonable, the effect is obvious, and the implementation is convenient. The artificial waste is reduced, the risk of the damage of the tail gate is reduced, and the performance of the product is improved.

Claims

1. A tail-gate locking device which characterized in that: the rear end of one side plate of the carriage is hinged with one end of a tail gate (2) through two tail gate hinge seats (1), the rear end of the other side plate of the carriage is provided with more than one locking mechanism assembly (4), and one side of the tail gate (2) close to the locking mechanism assemblies (4) is provided with tail gate side columns (3) matched with the locking mechanism assemblies (4);

the locking mechanism assembly (4) comprises a locking hook assembly, a guide assembly and an actuating element (11) capable of reciprocating, and the actuating element (11) is arranged on the fixing plate (7);

the lock hook assembly comprises a connecting plate (10) connected with the top end of the executing element (11), and a first lock hook (5) and a second lock hook which are arranged on two sides of the connecting plate (10) in parallel, wherein through holes for installing the guide pin shaft (8) are formed in the first lock hook (5) and the second lock hook;

the guide assembly comprises a first lock hook guide plate (6) and a second lock hook guide plate which are parallelly arranged at two end parts of the fixing plate (7), an arc-shaped guide groove (12) for guiding is formed in the first lock hook guide plate (6) and the second lock hook guide plate, the two arc-shaped guide grooves (12) are symmetrically arranged, and two end parts of the guide pin shaft (8) are respectively arranged in the arc-shaped guide grooves (12) in the first lock hook guide plate (6) and the second lock hook guide plate.

2. A tailgate locking apparatus, according to claim 1, and further comprising: the bending direction of the arc-shaped guide groove (12) is opposite to the directions of the first lock hook (5) and the second lock hook.

3. A tailgate locking apparatus, according to claim 1, and further comprising: the first lock hook (5) and the second lock hook buckle end are connected with each other through a connecting rod.

4. A tailgate locking apparatus, according to claim 1, and further comprising: the connecting plate (10) is a U-shaped plate, a pin shaft mounting hole is formed in the U-shaped opening end of the connecting plate (10) respectively, the connecting plate (10) is connected with the first lock hook (5) and the second lock hook through a pin shaft (9), an assembling hole (13) is formed in the first lock hook guide plate (6) and the second lock hook guide plate respectively, the two assembling holes (13) are symmetrically arranged, and the two assembling holes (13) correspond to the pin shaft (9).

5. A tailgate locking apparatus, according to claim 1, and further comprising: the actuating element (11) is an oil cylinder or an air cylinder.

6. A tailgate locking apparatus, according to claim 5, and further comprising: the connecting plate (10) is connected with a piston rod of an oil cylinder or an air cylinder.

7. A tailgate locking apparatus, according to claim 1, and further comprising: and a supporting plate is arranged between the fixed plate (7) and the first lock hook guide plate (6) and between the fixed plate and the second lock hook guide plate respectively.

8. A tailgate locking apparatus, according to claim 7, and further comprising: the supporting plate is triangular.

9. A tailgate locking apparatus, according to claim 1, and further comprising: the hinged tail-gate seat (1) comprises a fixed seat (14), one end of the fixed seat (14) is provided with a hole for installing a pin (15), the fixed seat (14) is further provided with a connecting block, the connecting block is mutually hinged with the fixed seat (14) through the pin (15), and the bottom of the pin (15) is provided with a fixing nut (16).

10. A tailgate locking apparatus, according to claim 9, and further comprising: the connecting block of the tail gate hinge seat (1) is connected with one end of the tail gate (2).