CN216232608U

CN216232608U - Safety protection device for cargo box breast board door fastener

Info

Publication number: CN216232608U
Application number: CN202123126228.XU
Authority: CN
Inventors: 张清舰; 聂书平; 叶飞
Original assignee: Sichuan Yema Automobile Co Ltd
Current assignee: Sichuan Yema Automobile Co Ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-04-08
Anticipated expiration: 2031-12-13

Abstract

The utility model relates to the technical field of automobile accessories, in particular to a safety protection device of a container breast board door buckle, which comprises a clamping ring, a limiting support plate, a support block and a handle, wherein the support block is hinged with the upper part of the handle, the lower end of the limiting support plate is hinged with the lower part of the handle, the upper end of the limiting support plate is connected with the clamping ring, when the handle rotates around a rotating shaft of the support block, the limiting support plate can be driven to move up and down, an arc-shaped limiting groove is formed in the handle, a limiting convex block is arranged at the corresponding position on the limiting support plate, the limiting convex block is arranged in the limiting groove in a sliding manner, and when the handle is pulled open, the limiting support plate rotates outwards to drive the limiting convex block to reach the edge limit position of the limiting groove and stop rotating. This structure can improve, optimize the breast board knocker and cause the disadvantage of hindering the hand, hindering in the aspect of the outward appearance lacquer painting easily when the operation is buckled, can effectual protection life safety and product appearance.

Description

Safety protection device for cargo box breast board door fastener

Technical Field

The utility model relates to the technical field of automobile accessories, in particular to a safety protection device for a container breast board door buckle.

Background

In the opening and closing process of the truck cargo box railing panel door, a fixing device is required, and a bolt structure, a buckling structure and the like are arranged on a common railing panel door fixing device. In the prior art, a buckling structure is commonly used for a truck breast board door. As shown in fig. 1, a breast board door latch generally comprises: the clamp ring 1, the limiting supporting plate 2, the fixing plate 4, the supporting block 3 and the handle 5 are hinged, the handle 5 is hinged to the supporting block 3, and the other part of the handle 5 is hinged to the limiting supporting plate 2. When the truck breast board lock is separated, the operating handle 5 rotates with force, and the clamping ring 1 on the limiting supporting plate 2 can be driven to loosen or clamp.

However, the prior art snap-fit structure has some problems: when current operating handle 5 outwards pulls, the unrestricted structure of free rotation that forms, after snap ring 1 relieves the lock, can rotate along with spacing backup pad 2, when spacing backup pad 2 outwards freely rotates, can cause spacing backup pad 2 on the one hand, mechanism such as snap ring 1 receives outside rotation and the hand that presss from both sides the injury operator of gravity and tensile influence, on the other hand can cause spacing backup pad 2 fish tail or bruise handle 5's outward appearance lacquer coat, moreover under frequent switch lock or not locked state, because the freight train can produce jolt when going, or receive external factor effects such as blowing when not going, can let spacing backup pad 2, handle 7 rotate from top to bottom, jolt separation, produce friction each other, produce the noise, cause the lacquer coat scratch.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problem, the utility model provides a safety protection device for a container breast board door fastener, which is used for fastening a cargo container breast board door of a truck and can solve and optimize the problems that the operation fastening of the breast board door fastener is easy to hurt hands and appearance paint surfaces.

The technical scheme provided by the utility model is as follows:

the utility model provides a safety device of packing box breast board knocker, includes snap ring, spacing backup pad, fixed plate, supporting shoe and handle, be fixed with the supporting shoe on the fixed plate, the handle is articulated with spacing backup pad, supporting shoe respectively, the upper end of spacing backup pad is connected with the snap ring, works as the handle can drive spacing backup pad elevating movement when the pivot of supporting shoe is rotatory, be provided with curved spacing groove on hand, be provided with spacing lug on the relevant position of spacing backup pad, the gliding setting of spacing lug is in spacing groove, and after the handle pulls open the unblock, spacing backup pad is past outer rotatory, makes spacing lug and the edgewise extreme position of abutting at spacing groove stop rotary motion often.

Another preferred embodiment of the present invention is: the utility model provides a safety device of packing box breast board knocker, includes snap ring, spacing backup pad, fixed plate, supporting shoe and handle, be fixed with the supporting shoe on the fixed plate, the handle is articulated with spacing backup pad, supporting shoe respectively, the upper end of spacing backup pad is connected with the snap ring, works as the handle can drive spacing backup pad elevating movement when the pivot of supporting shoe is rotatory, be provided with curved spacing groove in the spacing backup pad, be provided with spacing lug on the relevant position of handle, the gliding setting of spacing lug is in spacing groove, and when the handle pulls open the unblock back, spacing backup pad is past outer rotatory, makes spacing lug and the marginal extreme position of holding tightly at spacing groove stop rotary motion often.

Preferably, the upper end of spacing backup pad is provided with the slide opening, the one end of snap ring stretches into the inner space of spacing backup pad from the slide opening in, the one end and the limiting plate of snap ring are connected, the gliding setting of limiting plate is on the inner wall of spacing backup pad, the cover is equipped with the spring on the snap ring section between limiting plate and the spacing backup pad.

Preferably, the two sides of the limiting supporting plate are provided with sliding grooves, the two ends of the limiting plate extend to be provided with sliding blocks, and the sliding blocks are arranged in the sliding grooves in a sliding mode.

Preferably, the fixing plate is provided with a mounting hole, and the fixing plate is fixed on the door body through the mounting hole.

Preferably, the limiting support plate is n-shaped, the handle comprises a n-shaped connecting part and a handle part, first connecting holes are formed in two sides of the upper end of the connecting part respectively, second connecting holes are formed in two sides of the lower end of the connecting part respectively, and the support block is hinged to the handle through the two first connecting holes; the limiting support plate is hinged with the handle through two second connecting holes.

Preferably, a limiting groove is arranged on one side of the connecting part and on the inner side of the second group of connecting holes.

Preferably, two limit grooves are formed in the two sides of the connecting portion, two limit lugs are arranged at corresponding positions on the two sides of the limit supporting plate, and the two limit lugs are arranged in the two limit grooves in a sliding mode respectively.

The utility model has the following advantages and beneficial effects:

in the present invention, one of the preferable modes is: set up curved spacing groove on hand, the relevant position in spacing backup pad is provided with spacing lug, the gliding setting of spacing lug is in the spacing groove, and when the handle back of pulling open, spacing backup pad is toward outer rotatory, drives spacing lug arrives the marginal extreme position of spacing groove and stops rotary motion often. Another preferred mode is: an arc-shaped limiting groove is formed in the limiting supporting plate, a limiting lug is arranged at the corresponding position on the handle, and the limiting lug is arranged in the limiting groove in a sliding mode. The two structural designs can limit the rotation range of the limiting support plate, can effectively protect the hands of an operator, and can avoid the problem that the limiting support plate, the clamping ring and other mechanisms rotate outwards under the influence of gravity and pulling force to clamp the hands of the operator; meanwhile, the problems of collision scratch and collision noise of the limiting supporting plate and the handle can be avoided, and the appearance paint surface of the buckling mechanism can be effectively protected.

Drawings

FIG. 1 is a schematic view of a prior art cargo bed fence door fastening structure;

FIG. 2 is a schematic view of a safety shield apparatus provided in accordance with the present invention;

FIG. 3 is a schematic view of a handle provided by the present invention;

FIG. 4 is a schematic view of a limiting support plate according to the present invention;

FIG. 5 is a front view of FIG. 2;

FIG. 6 is a schematic view of the handle of FIG. 5 being rotated to pull outward;

icon: 1-snap ring, 11-buckling groove, 2-spring, 3-limiting plate, 31-sliding block, 4-fixing plate, 41-mounting hole, 5-supporting block, 6-rivet, 7-handle, 71-connecting part, 711-first connecting hole, 712-second connecting hole, 713-limiting groove, 72-handle part, 8-limiting supporting plate, 81-third connecting hole, 82-limiting lug, 83-sliding groove and 84-sliding hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

One preferred mode of the present invention is as follows:

as shown in fig. 2 to 6, a safety protection device for a container breast board door buckle comprises a snap ring 1, a limit support plate 8, a fixing plate 4, a support block 5 and a handle 7, wherein the limit support plate 8 is preferably arranged in an n shape, although the shape of the limit support plate 8 is not limited thereto, as long as the handle 7 and the limit support plate 8 can rotate relative to each other without interference. As shown in fig. 2, the handle 7 includes a link portion 71 of a pi shape and a handle portion 72, wherein both sides of an upper end of the link portion 71 are respectively provided with a first connection hole 711, and both sides of a lower end of the link portion 71 are respectively provided with a second connection hole 712; as shown in fig. 3, the upper end of the limit support plate 8 is provided with a slide hole 84, both sides of the limit support plate 8 are respectively provided with a slide groove 83, and both sides of the lower end of the limit support plate 8 are respectively provided with a third connection hole 81.

A supporting block 5 is fixed on the fixing plate 4, the upper end of the connecting portion 71 of the handle 7 is hinged to the supporting block 5 through a first connecting hole 711, a rivet 6 (or a pin, a rotating shaft, etc.) is arranged in the first connecting hole 711, and the handle 7 is hinged to the supporting block 5 through the rivet 6. The lower end of the connecting part 71 of the handle 7 is hinged with the limit support plate 8 through a second connecting hole 712, a rivet 6 (or a pin shaft, a rotating shaft and the like are used for replacing) is arranged in the second connecting hole 712 and the third connecting hole 81, and the handle 7 is hinged with the limit support plate 8 through the rivet 6.

The upper end of the limiting supporting plate 8 is connected with a clamping ring 1, and a buckling groove 11 is formed in the clamping ring 1. When the handle 7 rotates around the rivet 6 on the supporting block 5, the limiting supporting plate 8 can be driven to move up and down, and the limiting supporting plate 8 can freely rotate when being lifted up and down. An arc-shaped limiting groove 713 is formed in the handle 7, a limiting lug 82 is arranged at a corresponding position on the limiting support plate 8, and the limiting lug 82 is slidably arranged in the limiting groove 713.

As shown in fig. 5 and 6, when the handle 7 is rotated and pulled outward, the limiting support plate 8 is rotated outward due to gravity, etc., and the limiting protrusion 82 is driven to reach the edge limit position of the limiting groove 713, so as to stop the rotation. In this position, the limiting support plate 8 can not rotate clockwise to the outside any more, so that the hand of an operator can not be clamped and the handle 7 can not be collided; and the retainer ring 1 can be buckled at a corresponding position by rotating towards the anticlockwise direction to realize the closing and fastening of the fence door.

According to the utility model, the rotation range of the limit support plate 8 can be limited, as shown in fig. 5 and 6, the limit bump 82 of the limit support plate 8 reaches the limit position of the limit groove 713, at this time, the limit support plate 8 cannot rotate clockwise any more, and no matter how the handle 7 is rotated, the relative positions of the limit support plate 8 and the handle 7 cannot be changed, namely, the handle cannot be clamped to the hand of an operator, and the rotation cannot be continued to collide with the handle 7. Due to the design, the hands of an operator can be effectively protected, and the problem that the hands of the operator are injured due to the fact that mechanisms such as the limiting support plate 8 and the clamping ring 1 rotate outwards under the influence of gravity and pulling force; meanwhile, the problems of collision scratch and collision noise of the limiting supporting plate 8 and the handle 7 can be avoided, and the appearance paint surface of the buckling mechanism can be effectively protected.

In the utility model, the upper end of the limiting support plate 8 is provided with a sliding hole 84, one end of the snap ring 1 extends into the inner space of the limiting support plate 8 from the sliding hole 84, one end of the snap ring 1 is connected with the limiting plate 3, the limiting plate 3 is arranged on the inner wall of the limiting support plate 8 in a sliding manner, and the section of the snap ring 1 between the limiting plate 3 and the limiting support plate 8 is sleeved with the spring 2. Such design, when snap ring 1 detains on the checkpost of railing panel door, can further compression spring 2, let handle 7 can rotate to the maximum stroke position fixed for snap ring 1 can the lock setting, through stability and the intensity requirement of guaranteeing that lock mechanism connects.

Further, the both sides of spacing backup pad 8 are provided with spout 83, and the both ends of limiting plate 3 extend and are provided with slider 31, and the gliding setting of slider 31 is in spout 83, can further inject the displacement of limiting plate 3 like this, guarantees that limiting plate 3 slides along the direction of spout 83 and realizes the compression or the release of spring 2, strengthens the stability of being connected of snap ring 1 and spacing backup pad 8.

Further, the fixing plate 4 is provided with a mounting hole 41, and the fixing plate 4 is fixed on the door body through the mounting hole 41. The utility model can be applied to the railing panel door of the truck, but is not limited to the railing panel door, and can also be applied to various doors of equipment in other fields.

Furthermore, a limiting groove 713 is formed in one side of the connecting portion 71 of the handle 7 and the inner side of the second group of connecting holes, and the limiting groove 713 is arranged at the position, so that the handle is more reasonable and convenient to achieve.

Furthermore, two limit grooves 713 are disposed on both sides of the connecting portion 71, two limit protrusions 82 are disposed at corresponding positions on both sides of the limit support plate 8, and the two limit protrusions 82 are slidably disposed in the two limit grooves 713, respectively. The two limiting convex blocks 82 and the two limiting grooves 713 are arranged, so that the connection strength of the limiting convex blocks 82 and the limiting grooves 713 can be further enhanced, and when the connection between the limiting convex block 82 and the limiting groove 713 on one side fails, the effect can be achieved through the limiting convex block 82 and the limiting groove 713 on the other side.

In the utility model, the limit bump 82 can be welded and fixed on the limit support plate 8; it is also possible to provide a threaded hole in the limit support plate 8 and provide the limit projection 82 in a screw-like configuration with the head of the screw disposed in the limit groove 713, and fix the limit projection 82 to the limit support plate 8 by means of a threaded connection.

Example 2

Another preferred mode of the present invention is as follows:

the same contents as those in embodiment 1 are not described in detail in embodiment 2.

The only differences in example 2 are: the arrangement positions of the limiting groove 713 and the limiting lug 82 are changed, and the positions of the limiting groove 713 and the limiting lug 82 are exchanged. Namely: the limiting support plate 8 is provided with an arc-shaped limiting groove 713, a limiting lug 82 is arranged at a corresponding position of the handle 7, the limiting lug 82 is arranged in the limiting groove 713 in a sliding mode, and after the handle 7 is pulled to be unlocked, the limiting support plate 8 rotates outwards, so that the limiting lug 82 abuts against the edge limit position of the limiting groove 713 to stop rotating movement.

Correspondingly, two limiting grooves 713 may be disposed on two sides of the limiting support plate 8, two limiting protrusions 82 may be disposed on two sides of the handle 7, and the two limiting protrusions 82 may be slidably disposed in the two limiting grooves 713, respectively.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. 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 safety protection device of a cargo box breast board door buckle comprises a clamping ring (1), a limiting support plate (8), a fixing plate (4), support blocks (5) and a handle (7), wherein the support blocks (5) are fixed on the fixing plate (4), the handle (7) is respectively hinged with the limiting support plate (8) and the support blocks (5), the upper end of the limiting support plate (8) is connected with the clamping ring (1), when the handle (7) rotates around a rotating shaft of the support blocks (5), the limiting support plate (8) can be driven to move up and down, the safety protection device is characterized in that an arc-shaped limiting groove (713) is formed in the handle (7), a limiting convex block (82) is arranged at a corresponding position of the limiting support plate (8), the limiting convex block (82) is arranged in the limiting groove (713) in a sliding mode, and after the handle (7) is pulled and unlocked, the limiting support plate (8) rotates outwards, so that the limiting lug (82) stops rotating when abutting against the edge limit position of the limiting groove (713).

2. A safety protection device of a cargo box breast board door buckle comprises a clamping ring (1), a limiting support plate (8), a fixing plate (4), support blocks (5) and a handle (7), wherein the support blocks (5) are fixed on the fixing plate (4), the handle (7) is respectively hinged with the limiting support plate (8) and the support blocks (5), the upper end of the limiting support plate (8) is connected with the clamping ring (1), when the handle (7) rotates around a rotating shaft of the support blocks (5), the limiting support plate (8) can be driven to move up and down, the safety protection device is characterized in that an arc-shaped limiting groove (713) is formed in the limiting support plate (8), a limiting convex block (82) is arranged at the corresponding position of the handle (7), the limiting convex block (82) is arranged in the limiting groove (713) in a sliding mode, and after the handle (7) is pulled and unlocked, the limiting support plate (8) rotates outwards, so that the limiting lug (82) stops rotating when abutting against the edge limit position of the limiting groove (713).

3. The cargo box gate panel door fastener safety shield apparatus of claim 1, further comprising: the upper end of spacing backup pad (8) is provided with slide opening (84), the one end of snap ring (1) is followed slide opening (84) and is stretched into in the inner space of spacing backup pad (8), the one end and the limiting plate (3) of snap ring (1) are connected, the gliding setting of limiting plate (3) is on the inner wall of spacing backup pad (8), the cover is equipped with spring (2) in snap ring (1) section between limiting plate (3) and spacing backup pad (8).

4. The cargo box gate panel door fastener safety shield apparatus of claim 3, further comprising: the two sides of the limiting supporting plate (8) are provided with sliding grooves (83), the two ends of the limiting plate (3) extend to be provided with sliding blocks (31), and the sliding blocks (31) are arranged in the sliding grooves (83) in a sliding mode.

5. The cargo box gate panel door fastener safety shield apparatus of claim 1, further comprising: the fixing plate (4) is provided with a mounting hole (41), and the fixing plate (4) is fixed on the door body through the mounting hole (41).

6. The cargo box gate panel door fastener safety shield apparatus of claim 1, further comprising: the limiting support plate (8) is arranged in a n-shaped manner, the handle (7) comprises a n-shaped connecting portion (71) and a handle portion (72), two sides of the upper end of the connecting portion (71) are respectively provided with a first connecting hole (711), two sides of the lower end of the connecting portion (71) are respectively provided with a second connecting hole (712), and the support block (5) is hinged to the handle (7) through the two first connecting holes (711); the limiting support plate (8) is hinged with the handle (7) through two second connecting holes (712).

7. The cargo box gate panel door fastener safety shield apparatus of claim 6, further comprising: a limiting groove (713) is arranged on one side of the connecting part (71) and on the inner side of the second group of connecting holes.

8. The cargo box gate panel door fastener safety shield apparatus of claim 7, further comprising: two limit grooves (713) are arranged on two sides of the connecting portion (71), two limit lugs (82) are arranged at corresponding positions on two sides of the limit supporting plate (8), and the two limit lugs (82) are arranged in the two limit grooves (713) in a sliding mode respectively.