Automobile tailgate with clamping device

By designing a clamping device on the car tail plate, the problem of the lack of positioning stability when the existing car tail plate is closed is solved, and the stable positioning of the tail plate when the vehicle shakes is achieved, avoiding structural damage.

CN116118599BActive Publication Date: 2025-06-06JIANGSU TE NENG DING SPECIAL EQUIP MFG CO LTD
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Patent Information

Application Number
CN202211558686.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-06
Publication Date
2025-06-06
Estimated Expiration
2042-12-06

AI Technical Summary

Technical Problem

The existing car tail plate lacks clamping devices when it is closed, which causes damage to the tail plate body and hydraulic cylinder structure when the vehicle shakes.

Method used

A car tail plate with clamping device is designed, including a tail plate body, reinforcement bracket, a primary hydraulic assembly, a triangular transmission plate, a secondary hydraulic assembly and a clamping device. The clamping device consists of a fixing member, an elastic support member, a rotating member and a limiting rod. The positioning projection is embedded in the positioning groove to form a self-locking action to ensure the positioning stability of the tail plate.

Benefits of technology

Through the design of the clamping device, the positioning stability of the car tail plate when it is closed is improved, and damage to the tail plate and hydraulic cylinder structure caused by vehicle shaking is avoided.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to the technical field related to automobile tailboards, and specifically to an automobile tailboard with a clamping device. The automobile tailboard with the clamping device comprises a tailboard body, a reinforcement bracket, a primary hydraulic component, a triangular transmission plate, a secondary hydraulic component and a clamping device, wherein the reinforcement bracket is fixedly mounted on the lower side of the tailboard body; by arranging the clamping device to be composed of a fixing member, an elastic support member, a rotating member and a limit rod combination, and by arranging the fixing member to be composed of a base plate and a mounting tube combination, and an annular groove, a mounting groove and a positioning groove are opened on the inner side wall of the mounting tube, and the rotating member is arranged to be composed of an annular plate, a main tube body, an outer tube body and an inner tube body combination, and a positioning protrusion is arranged on the outer side wall of the main tube body, so that the positioning protrusion is embedded in the positioning groove, so that a self-locking effect is formed between the structures, thereby ensuring the positioning stability of the automobile tailboard by the clamping device.
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Description

Technical Field

[0001] The invention relates to the technical field related to automobile tail plates, and in particular to an automobile tail plate with a clamping device. Background Art

[0002] A car tail lift is also called a car lifting tail lift, a car loading and unloading tail lift, a lifting tail lift, a hydraulic car tail lift, or a truck tail lift. It is a hydraulic lifting and loading equipment powered by a vehicle-mounted battery installed at the rear of a truck or other vehicle. Car tail lifts can be classified into: cantilever tail lifts, vertical tail lifts, rocker tail lifts, and folding tail lifts. As a vehicle loading and unloading tool, the tail lift can greatly improve the efficiency and convenience of loading and unloading.

[0003] However, in the prior art, when the automobile tailgate is folded, the tailgate body does not use a special clamping device to assist in positioning. When the vehicle is driving, the entire vehicle will produce a certain shaking effect, which will cause damage to the tailgate body and the hydraulic cylinder structure that drives the tailgate body. Therefore, the present invention proposes an automobile tailgate with a clamping device to solve the above problem. Summary of the invention

[0004] The object of the present invention is to provide a car tailgate with a clamping device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a car tailgate with a clamping device, the car tailgate with a clamping device comprising:

[0006] tailgate body;

[0007] A reinforcement bracket, wherein the reinforcement bracket is fixedly mounted on the lower side of the tailgate body;

[0008] A primary hydraulic assembly, wherein a hydraulic rod of the primary hydraulic assembly is rotatably connected to the rear end of the tailgate body, and a cylinder of the primary hydraulic assembly is rotatably connected to the vehicle frame;

[0009] A triangular transmission plate, wherein the front corner of the triangular transmission plate is rotatably connected to the rear end of the tailgate body, and the rear corner of the triangular transmission plate is rotatably connected to the vehicle frame;

[0010] A secondary hydraulic assembly, wherein the cylinder of the secondary hydraulic assembly is rotatably connected to the vehicle frame, and the hydraulic rod of the secondary hydraulic assembly is rotatably connected to the lower corner of the triangular transmission plate;

[0011] The clamping device is fixedly mounted on the lower side of the tailgate body, and the clamping device is composed of a fixing member, an elastic supporting member, a rotating member and a limiting rod, and the limiting rod is engaged and positioned on a locking seat on the side wall plate of the carriage.

[0012] Preferably, the fixing member is composed of a base plate and a mounting tube, the base plate and the mounting tube are integrally formed, and the base plate is fixed to the tail plate body by positioning screws, and an annular groove, a mounting groove and a positioning groove are provided on the inner side wall of the mounting tube.

[0013] Preferably, the mounting grooves and the positioning grooves are symmetrically provided in a group, and the mounting grooves and the positioning grooves are both connected to the annular groove, and the cross-sectional dimensions of the mounting grooves and the positioning grooves are consistent, and the mounting grooves and the positioning grooves are arranged in a cross shape.

[0014] Preferably, the rotating part is composed of an annular plate, a main tube body, an outer tube body and an inner tube body, the annular plate, the main tube body, the outer tube body and the inner tube body are integrally formed, and a handle is welded to the inner wall of the inner tube body, the main tube body is movably installed in the tube cavity of the mounting tube, and a positioning protrusion is integrally formed on the outer wall of the main tube body.

[0015] Preferably, a group of positioning protrusions are symmetrically arranged, and the cross-sectional dimensions of the positioning protrusions match the cross-sectional dimensions of the positioning grooves, and the thickness of the positioning protrusions is smaller than the width of the annular groove.

[0016] Preferably, the elastic support member is composed of an outer support spring and an inner support spring, the outer support spring is movably mounted on the main pipe body and the mounting pipe, the inner support spring is movably arranged in the tube cavity of the main pipe body and the mounting pipe, and the lower ends of the outer support spring and the inner support spring are fixedly welded to the base plate.

[0017] Preferably, the upper ends of the outer support spring and the inner support spring are respectively welded with an outer connecting ring and an inner connecting ring.

[0018] Preferably, the outer connecting ring and the inner connecting ring are both neodymium iron boron magnet rings, the annular plate is a ferromagnetic material, and the outer connecting ring and the inner connecting ring are both adsorbed and connected to the annular plate, and the contact surfaces of the outer connecting ring, the inner connecting ring and the annular plate are both arc surfaces.

[0019] Preferably, when the positioning protrusion is embedded in the positioning groove, the outer support spring and the inner support spring are both in a compressed state, and the setting direction of the handle is consistent with the setting direction of the positioning protrusion.

[0020] Preferably, the upper surface of the tail board body is provided with anti-skid patterns, and a plurality of anti-skid patterns are evenly provided on the tail board body.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. By setting up a car tailgate composed of a tailgate body, a reinforcement bracket, a primary hydraulic assembly, a triangular transmission plate, a secondary hydraulic assembly and a clamping device, and by setting the clamping device to be composed of a fixing member, an elastic support member, a rotating member and a limit rod, and by setting the fixing member to be composed of a base plate and a mounting tube, and opening an annular groove, a mounting groove and a positioning groove on the inner side wall of the mounting tube, and setting the rotating member to be composed of an annular plate, a main tube body, an outer tube body and an inner tube body, and arranging a positioning protrusion on the outer side wall of the main tube body, so that the positioning protrusion is embedded in the positioning groove, so that a self-locking effect is formed between the structures, thereby ensuring the positioning stability of the clamping device on the car tailgate;

[0023] 2. The elastic support member is configured to be composed of an outer support spring and an inner support spring, and the outer support spring is movably mounted on the main pipe body and the mounting pipe, and the inner support spring is movably arranged in the tube cavity of the main pipe body and the mounting pipe, so that the overall support stability of the elastic support member is effectively improved through the combined action of the outer support spring and the inner support spring, thereby ensuring the embedding stability of the positioning protrusion in the positioning groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the present invention;

[0025] Figure 2 This is a rendering of the tailgate body of the present invention being lowered;

[0026] Figure 3 This is a rendering of the tailgate body of the present invention being folded up;

[0027] Figure 4 A half-section view of the clamping device of the present invention;

[0028] Figure 5 for Figure 4 A schematic diagram of the structure enlargement in the middle;

[0029] Figure 6 It is a schematic diagram of the structure of the fixing member of the present invention;

[0030] Figure 7 It is a schematic diagram of the structure of the rotating part of the present invention.

[0031] In the figure: tailgate body 1, reinforcement bracket 2, primary hydraulic assembly 3, triangular transmission plate 4, secondary hydraulic assembly 5, clamping device 6, vehicle frame 7, carriage side wall plate 8, snap-fit ​​seat 9, fixing member 10, elastic supporting member 11, rotating member 12, limiting rod 13, handle 14, bottom plate 15, mounting tube 16, annular groove 17, mounting groove 18, positioning groove 19, annular plate 20, main tube body 21, outer tube body 22, inner tube body 23, positioning protrusion 24, outer support spring 25, inner support spring 26, outer connecting ring 27, inner connecting ring 28, anti-slip pattern 29. DETAILED DESCRIPTION

[0032] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0036] See also Figure 1-7 The present invention provides the following three preferred embodiments:

[0037] Embodiment 1

[0038] A car tailboard with a clamping device, the car tailboard with the clamping device comprises a tailboard body 1, a reinforcement bracket 2, a primary hydraulic assembly 3, a triangular transmission plate 4, a secondary hydraulic assembly 5 and a clamping device 6, the reinforcement bracket 2 is fixedly mounted on the lower side of the tailboard body 1, the hydraulic rod of the primary hydraulic assembly 3 is rotatably connected to the rear side end of the tailboard body 1, and the cylinder body of the primary hydraulic assembly 3 is rotatably connected to the automobile frame 7, the front corner of the triangular transmission plate 4 is rotatably connected to the rear side end of the tailboard body 1, and the rear corner of the triangular transmission plate 4 is rotatably connected to the automobile frame 7, the cylinder body of the secondary hydraulic assembly 5 is rotatably connected to the automobile frame 7, and the hydraulic rod of the secondary hydraulic assembly 5 is rotatably connected to the lower corner of the triangular transmission plate 4, the clamping device 6 is fixedly mounted on the lower side of the tailboard body 1, and the clamping device 6 is composed of a fixing member 10, an elastic support member 11, a rotating member 12 and a limiting rod 13, and the limiting rod 13 is engaged and positioned on a clamping seat 9 on a side wall plate 8 of a vehicle compartment.

[0039] The fixing member 10 is composed of a bottom plate 15 and a mounting tube 16. The bottom plate 15 and the mounting tube 16 are integrally formed, and the bottom plate 15 is fixed to the tail plate body 1 by positioning screws. An annular groove 17, an installation groove 18 and a positioning groove 19 are provided on the inner side wall of the mounting tube 16. The installation groove 18 and the positioning groove 19 are symmetrically provided in a group, and the installation groove 18 and the positioning groove 19 are both connected to the annular groove 17, and the cross-sectional dimensions of the installation groove 18 and the positioning groove 19 are consistent. The rotating member 12 is composed of an annular plate 20, a main tube body 21, an outer tube body 22 and an inner tube body 23. The annular plate 20, the main tube body 21, the outer tube body 22 and the inner tube body 23 are integrally formed, and a handle 14 is welded to the inner side wall of the inner tube body 23. The main tube body 21 is movably installed in the tube cavity of the mounting tube 16, and a positioning protrusion 24 is integrally formed on the outer side wall of the main tube body 21.

[0040] A group of positioning protrusions 24 are symmetrically arranged, and the cross-sectional dimensions of the positioning protrusions 24 are consistent with the cross-sectional dimensions of the positioning grooves 19, and the thickness of the positioning protrusions 24 is less than the width of the annular groove 17. By setting a tail plate composed of a tail plate body 1, a reinforcement bracket 2, a primary hydraulic component 3, a triangular transmission plate 4, a secondary hydraulic component 5 and a clamping device 6, and by setting the clamping device 6 to be composed of a fixing member 10, an elastic support member 11, a rotating member 12 and a limiting rod 13, and by fixing the fixing member 1 0 is configured to be composed of a base plate 15 and a mounting tube 16, and an annular groove 17, a mounting groove 18 and a positioning groove 19 are opened on the inner side wall of the mounting tube 16, and the rotating member 12 is configured to be composed of an annular plate 20, a main tube body 21, an outer tube body 22 and an inner tube body 23, and a positioning protrusion 24 is provided on the outer side wall of the main tube body 21, so that the positioning protrusion 24 is embedded in the positioning groove 19, so that a self-locking effect is formed between the structures, thereby ensuring the positioning stability of the clamping device 6 on the automobile tail plate.

[0041] Embodiment 2

[0042] On the basis of Example 1, the elastic support member 11 is composed of an outer support spring 25 and an inner support spring 26. The outer support spring 25 is movably mounted on the main pipe body 21 and the mounting tube 16, and the inner support spring 26 is movably arranged in the tube cavity of the main pipe body 21 and the mounting tube 16. The lower ends of the outer support spring 25 and the inner support spring 26 are fixedly welded to the bottom plate 15. By configuring the elastic support member 11 to be composed of an outer support spring 25 and an inner support spring 26, and the outer support spring 25 is movably mounted on the main pipe body 21 and the mounting tube 16, and the inner support spring 26 is movably arranged in the tube cavity of the main pipe body 21 and the mounting tube 16, the overall support stability of the elastic support member 11 is effectively improved through the combined action of the outer support spring 25 and the inner support spring 26, thereby ensuring the fitting stability of the positioning protrusion 24 in the positioning groove 19.

[0043] An outer connecting ring 27 and an inner connecting ring 28 are respectively welded to the upper ends of the outer supporting spring 25 and the inner supporting spring 26 .

[0044] The outer connecting ring 27 and the inner connecting ring 28 are both neodymium iron boron magnet rings, the annular plate 20 is a ferromagnetic material, and the outer connecting ring 27 and the inner connecting ring 28 are both adsorbed and connected to the annular plate 20, and the contact surfaces of the outer connecting ring 27 and the inner connecting ring 28 and the annular plate 20 are both arc surfaces, which facilitates the docking installation of the structure.

[0045] Embodiment 3

[0046] On the basis of the second embodiment, when the positioning protrusion 24 is embedded in the positioning groove 19 , the outer support spring 25 and the inner support spring 26 are both in a compressed state, and the setting direction of the handle 14 is consistent with the setting direction of the positioning protrusion 24 .

[0047] Embodiment 4

[0048] On the basis of the third embodiment, the upper surface of the tail lift body 1 is provided with anti-skid patterns 29 , and a plurality of anti-skid patterns 29 are evenly provided on the tail lift body 1 , so as to improve the standing stability of the staff on the tail lift body 1 .

[0049] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A car tailgate with a clamping device, Features: The automobile tailgate with a clamping device comprises: Tailgate body(1); A reinforcement bracket (2), wherein the reinforcement bracket (2) is fixedly mounted on the lower side of the tailgate body (1); A primary hydraulic assembly (3), wherein a hydraulic rod of the primary hydraulic assembly (3) is rotatably connected to the rear end of the tailgate body (1), and a cylinder of the primary hydraulic assembly (3) is rotatably connected to the vehicle frame (7); A triangular transmission plate (4), wherein a front corner of the triangular transmission plate (4) is rotatably connected to a rear end of the tailgate body (1), and a rear corner of the triangular transmission plate (4) is rotatably connected to a vehicle frame (7); A secondary hydraulic assembly (5), wherein a cylinder of the secondary hydraulic assembly (5) is rotatably connected to a vehicle frame (7), and a hydraulic rod of the secondary hydraulic assembly (5) is rotatably connected to a lower corner of a triangular transmission plate (4); A clamping device (6), the clamping device (6) is fixedly mounted on the lower side of the tailgate body (1), and the clamping device (6) is composed of a fixing member (10), an elastic supporting member (11), a rotating member (12) and a limiting rod (13), and the limiting rod (13) is engaged and positioned on a locking seat (9) on the side wall plate (8) of the vehicle compartment; The fixing member (10) is composed of a base plate (15) and a mounting tube (16), the base plate (15) and the mounting tube (16) are integrally formed, and the base plate (15) is fixed to the tail plate body (1) by means of positioning screws, and an annular groove (17), a mounting groove (18) and a positioning groove (19) are formed on the inner side wall of the mounting tube (16); The mounting groove (18) and the positioning groove (19) are symmetrically provided in a group, and the mounting groove (18) and the positioning groove (19) are both connected to the annular groove (17), and the cross-sectional dimensions of the mounting groove (18) and the positioning groove (19) are consistent, and the mounting groove (18) and the positioning groove (19) are arranged in a cross shape; The rotating member (12) is composed of an annular plate (20), a main tube (21), an outer tube (22) and an inner tube (23); the annular plate (20), the main tube (21), the outer tube (22) and the inner tube (23) are integrally formed, and a handle (14) is welded to the inner wall of the inner tube (23); the main tube (21) is movably installed in the tube cavity of the mounting tube (16), and a positioning protrusion (24) is integrally formed on the outer wall of the main tube (21).

2. A car tailgate with a clamping device according to claim 1, Features: The positioning protrusions (24) are symmetrically arranged in a group, and the cross-sectional dimensions of the positioning protrusions (24) match the cross-sectional dimensions of the positioning grooves (19), and the thickness of the positioning protrusions (24) is smaller than the width of the annular groove (17).

3. The automobile tailgate with a clamping device according to claim 2, Features: The elastic support member (11) is composed of an outer support spring (25) and an inner support spring (26), wherein the outer support spring (25) is movably sleeved on the main pipe body (21) and the mounting pipe (16), and the inner support spring (26) is movably arranged in the tube cavities of the main pipe body (21) and the mounting pipe (16), and the lower side ends of the outer support spring (25) and the inner support spring (26) are fixedly welded to the bottom plate (15).

4. A car tailgate with a clamping device according to claim 3, Features: The upper side ends of the outer support spring (25) and the inner support spring (26) are respectively welded to an outer connecting ring (27) and an inner connecting ring (28).

5. The automobile tailgate with a clamping device according to claim 4, Features: The outer connecting ring (27) and the inner connecting ring (28) are both neodymium iron boron magnet rings, the annular plate (20) is made of ferromagnetic material, and the outer connecting ring (27) and the inner connecting ring (28) are both adsorbed and connected to the annular plate (20), and the contact surfaces of the outer connecting ring (27), the inner connecting ring (28) and the annular plate (20) are both arc-shaped surfaces.

6. The automobile tailgate with a clamping device according to claim 5, Features: When the positioning protrusion (24) is embedded in the positioning groove (19), the outer support spring (25) and the inner support spring (26) are both in a compressed state, and the setting direction of the handle (14) is consistent with the setting direction of the positioning protrusion (24).

7. A car tailgate with a clamping device according to claim 6, Features: The upper surface of the tailgate body (1) is provided with anti-skid patterns (29), and a plurality of anti-skid patterns (29) are evenly provided on the tailgate body (1).

Citation Information

Patent Citations

  • Lifting-type automobile tailboard structure

    CN104553935A

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