Vehicle trunk door hinge structure

Abstract

The utility model relates to the technical field of truck double-door type trunk doors, in particular to a vehicle trunk door hinge structure which comprises a rotating arm, a connecting rod, a vehicle door piece, a vehicle body piece and a limiting stopper set, the rotating arm is provided with a limiting groove, and the limiting stopper set comprises a connecting piece, a retainer, a spring and a roller pin; when the truck trunk door is opened, the truck door piece rotates to drive the rotating arm to rotate, the roller pin slides out of the limiting groove of the rotating arm, then the spring is opened, and the truck trunk door is fixed to the truck body piece. After the rotating arm rotates by a certain angle, the roller pin falls into the limiting groove, the one-gear limiting function is achieved, the phenomenon that a vehicle door is automatically closed is avoided, the safety after the vehicle door is opened is improved, and the problems that an existing vehicle trunk door hinge structure is not provided with a limiting function and has potential safety hazards are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to truck double -open door type tail box door technical field especially relates to a vehicle tail box door hinge structure. BACKGROUND

[0002] In the cargo transfer industry, in order to avoid goods from falling off the truck in the transportation process, generally, movable door plate is arranged at the tail of truck box body, and the quality of movable door plate reaches 2 tons.

[0003] The existing truck tail box door adopts the mode of hinge cantilever and links with the box body, has no limiting function and has safety hazards. UTILITY MODEL CONTENTS

[0004] The utility model discloses a vehicle tail box door hinge structure, which aims to solve the problems of the existing vehicle tail box door hinge structure, no limiting function and inability to realize large-angle opening.

[0005] To achieve the above object, the utility model provides a vehicle tail box door hinge structure, including rotating arm, connecting rod, door piece, car body piece and stopper group, the car body piece with the stopper group fixed connection, and located one side of the stopper group, the rotating arm rotates and is arranged in one side of the stopper group, the door piece is arranged in rotating arm one side, the connecting rod is arranged between the door piece and the car body piece, the rotating arm has the limiting recess, the stopper group includes connecting piece, retainer, spring and roller pin, the connecting piece with the car body piece fixed connection, and located one side of the car body piece, the retainer is arranged in one side of the connecting piece, the spring is sleeved in the outer side of the retainer, and the roller pin is slidably arranged in the retainer.

[0006] Among them, the vehicle tail box door hinge structure further includes buffer block, the buffer block with the car body piece fixed connection, and located one side of the car body piece.

[0007] Among them, the rotating arm includes rotating arm body and rotating shaft, the rotating shaft rotates and is arranged in the retainer, the rotating arm body with the rotating shaft fixed connection, and located the outer side of the rotating shaft.

[0008] Among them, the roller pin has 2 groups, each group has 3, and the upper and lower are evenly arranged in the retainer.

[0009] Among them, the spring has 2.

[0010] The utility model discloses a vehicle tail box door hinge structure, car body spare is fixed on the car box, the door spare is fixed on the door, the connecting rod is used for the connection of door spare and car body spare, the connecting piece is used for installing and fixing the retainer on car body spare, when the truck tail box door opens, the driver utilizes hand to rotate door spare, and door spare rotation drives rotating arm rotation, at this time, the needle just slides from the limiting recess of rotating arm, then props open the spring, after rotating arm rotates a certain angle, the rotation angle is arbitrary angle, can be greater than 180 DEG, the needle falls into the limiting recess again, realizes the limiting function of a gear to the door, avoids the phenomenon that the door closes automatically, improves the security after the door opening, solves the existing vehicle tail box door hinge structure, and the problem of no limiting function and security risk. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical scheme in the embodiment of the present application or prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced as follows.

[0012] Figure 1 It is a structure schematic view of the utility model vehicle tail box door hinge structure.

[0013] Figure 2 It is another direction structure schematic view of the utility model vehicle tail box door hinge structure.

[0014] Figure 3 It is a side view of the utility model vehicle tail box door hinge structure.

[0015] Figure 4 It is Figure 3 Sectional view along A-A plane.

[0016] Figure 5 It is the needle state schematic view in the rotating process of rotating shaft, wherein, from left to right, it is initial state, the needle is in the limiting recess of rotating shaft, motion state 1, rotating arm drives rotating shaft rotation, the needle just slides from the limiting recess of rotating shaft, motion state 2, rotating arm drives rotating shaft rotation, and the needle has slid from the limiting recess, and slides on the outer circle of rotating shaft.

[0017] In the drawing: 1-rotating arm, 2-connecting rod, 3-door spare, 4-car body spare, 5-limiter group, 6-limiting recess, 7-connecting piece, 8-retainer, 9-spring, 10-needle, 11-buffer block, 12-rotating arm body, 13-rotating shaft. DETAILED DESCRIPTION

[0018] Embodiments of the present application are described in detail below with reference to the attached drawings, which are by way of example only and wherein like or similar reference numerals refer to like or similar elements throughout. The embodiments described below are illustrative only and are not intended to be limiting on the present application.

[0019] Referring to Figures 1 to 5 The utility model provides a vehicle tail box door hinge structure, including rotating arm 1, connecting rod 2, door piece 3, car body piece 4 and stopper group 5, car body piece 4 with stopper group 5 fixed connection, and located stopper group 5 one side, rotating arm 1 rotation setting in stopper group 5 one side, door piece 3 setting in rotating arm 1 one side, connecting rod 2 setting between door piece 3 with car body piece 4, rotating arm 1 has limit recess 6, stopper group 5 includes connecting piece 7, cage 8, spring 9 and roller pin 10, connecting piece 7 with car body piece 4 fixed connection, and located car body piece 4 one side, cage 8 setting in connecting piece 7 one side, spring 9 is set in cage 8 outside, roller pin 10 sliding setting in cage 8 in.

[0020] In the embodiment, the car body piece 4 is fixed on the trunk, the door piece 3 is fixed on the door, the connecting rod 2 is used for connecting the door piece 3 and the car body piece 4, and the connecting piece 7 is used for mounting and fixing the cage 8 on the car body piece 4.When the tail box door of the truck is opened, the driver rotates the door piece 3 by hand, the door piece 3 drives the rotating arm 1 to rotate, at this time, the roller pin 10 slides out of the limit recess 6 of the rotating arm 1, then expands the spring 9, and after the rotating arm 1 rotates by a certain angle, the rotating angle is any angle, which can be greater than 180°, the roller pin 10 falls into the limit recess 6 again, realizes the limiting function of one gear of the door, avoids the phenomenon that the door is closed automatically, improves the safety after the door is opened, and solves the problems that the existing vehicle tail box door hinge structure has no limiting function and has safety hazards.

[0021] Further, the vehicle tail box door hinge structure further includes a buffer block 11, the buffer block 11 is fixedly connected with the car body piece 4 and located on one side of the car body piece 4.

[0022] In the embodiment, the buffer block 11 is a plastic piece, which is used for buffering when the hinge structure is fully opened, avoiding the collision between the door piece 3 and the car body piece 4 and emitting a loud noise, and also playing a role of unloading force and shock absorption when opening the door.

[0023] Further, the rotating arm 1 comprises a rotating arm body 12 and a rotating shaft 13, the rotating shaft 13 is arranged in the holder 8, the rotating arm body 12 is fixedly connected with the rotating shaft 13 and located outside the rotating shaft 13.

[0024] In the embodiment, when the door part 3 rotates, the rotating arm body 12 is forced to make the rotating shaft 13 rotate in the holder 8, so that the needle roller 10 slides out of the limiting groove 6 on the rotating shaft 13.

[0025] Further, the needle roller 10 has two groups, each group has three, and is arranged uniformly above and below the holder 8, and the spring 9 has two.

[0026] In the embodiment, the needle roller 10 is arranged in the form of the vertex of an equilateral triangle, so that the rotating shaft 13 rotates more smoothly, and the two springs 9 can be expanded to expand the needle roller 10 arranged above and below.

[0027] The above only discloses a preferred embodiment of the vehicle trunk door hinge structure of the present application, and cannot limit the scope of the present application. Those skilled in the art can understand that the above-mentioned embodiment can realize all or part of the processes, and the equivalent changes made according to the claims of the present application still belong to the scope covered by the present application.

Claims

1. A vehicle trunk door hinge structure, It is characterized by: The vehicle body comprises a rotating arm, a connecting rod, a door member, a body member and a stopper assembly, wherein the body member is fixedly connected to the stopper assembly and is located on one side of the stopper assembly, the rotating arm is rotatably arranged on one side of the stopper assembly, the door member is arranged on one side of the rotating arm, the connecting rod is arranged between the door member and the body member, the rotating arm has a limiting groove, and the stopper assembly comprises a connecting member, a retaining frame, a spring and a needle roller; The connecting member is fixedly connected to the body member and is located at one side of the body member. The retaining frame is arranged at one side of the connecting member. The spring is sleeved on the outside of the retaining frame. The needle roller is slidably arranged in the retaining frame.

2. The vehicle trunk door hinge structure according to claim 1, characterized in that ； The vehicle trunk door hinge structure further includes a buffer block, which is fixedly connected to the vehicle body component and is located on one side of the vehicle body component.

3. The vehicle trunk door hinge structure according to claim 1, characterized in that ； The rotating arm includes a rotating arm body and a rotating shaft. The rotating shaft is rotatably arranged in the retaining frame. The rotating arm body is fixedly connected to the rotating shaft and is located outside the rotating shaft.

4. The vehicle trunk door hinge structure according to claim 1, characterized in that ； The needle rollers are provided in two groups, each group having three needle rollers, and are evenly arranged in the retaining frame at upper and lower positions.

5. The vehicle trunk door hinge structure according to claim 1, characterized in that ； There are two springs.

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