Tail plate structure with high bearing capacity, flat plate assembly and flat plate wrecker

Abstract

The utility model discloses a tailboard structure with high bearing capacity, a flat plate assembly and a flat plate wrecker, and relates to the technical field of flat plate wreckers, the tailboard structure comprises two tailboard assemblies which are oppositely arranged and a connecting assembly arranged between the two tailboard assemblies, and each tailboard assembly comprises two side frame beams. The front ends of the frame beams on the two sides are connected through a front frame square pipe, and the rear ends of the frame beams on the two sides are connected through round steel. A limiting connecting base is arranged in the middle of the front frame square tube and comprises a first limiting plate arranged at the bottom of the front frame square tube, and the front end of the first limiting plate extends out of the front frame square tube and then is bent downwards to form a first limiting face. According to the tail plate structure, the limiting connecting base and the limiting reinforcing base are designed, after the tail plate structure is laid flat, the abutting face of the abutting portion at the rear end of the flat plate assembly abuts against the limiting connecting base and the limiting reinforcing base, and the bearing performance of the tail plate structure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flatbed tow trucks, in particular to a tail plate structure with high load-bearing capacity, a flatbed assembly and a flatbed tow truck. Background Art

[0002] The main content of road towing and rescue work includes towing away vehicles that are unable to drive themselves. This work is done by tow trucks. When a flatbed tow truck handles an accident vehicle, it puts the flatbed in working condition, uses a winch wire rope towing hook to tow the accident vehicle onto the flatbed, then securely ties it with straps, and finally restores the flatbed to a driving state to achieve rescue.

[0003] Chinese patent documents "A load-bearing hydraulic tailgate for a blue-brand flatbed tow truck" (patent application number: 201620908035.X) and "A blue-brand flatbed hydraulic tailgate device" (patent application number: 201820797770.7) both disclose a bendable tailgate structure, but the load-bearing capacity of the above tailgate structure is limited and cannot meet customer needs. Therefore, a tailgate structure with high load-bearing capacity, a flatbed assembly and a flatbed tow truck are urgently needed. Utility Model Content

[0004] In view of the defects existing in the prior art, the purpose of the utility model is to provide a tailgate structure, a flatbed assembly and a flatbed tow truck with high load-bearing capacity, thereby improving the load-bearing capacity.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is: a tailboard structure with high load-bearing capacity, including two tailboard assemblies arranged opposite to each other and a connecting assembly arranged between the two tailboard assemblies, the tailboard assembly includes two side frame beams, and the front ends of the two side frame beams are connected by a front frame square tube, and the rear ends of the two side frame beams are connected by round steel; a limited connection seat is arranged in the middle of the front frame square tube, and the limited connection seat includes a first limit plate arranged at the bottom of the front frame square tube, and the front end of the first limit plate extends out of the front frame square tube and then bends downward to form a first limit surface.

[0006] A further improvement is that the rear end of the first limiting plate is bent downward to form a folded edge portion, and a first reinforcing rib is provided between the folded edge portion and the first limiting surface.

[0007] A further improvement is that the limit connecting seat also includes a reinforcing plate, which is arranged on the front side of the first limit surface, and the lower end of the reinforcing plate is flush with the end of the first limit surface, and the upper end of the reinforcing plate is bent backward and extended to form an extension part, and the extension part is connected to the top surface of the square tube of the front frame.

[0008] Further improvements are: the height of the folded edge portion is less than the height of the first limiting plate; a bevel portion is provided at the connection between the extension portion and the reinforcing plate, and a second reinforcing rib is provided between the reinforcing plate and the front frame square tube.

[0009] A further improvement is that a limiting reinforcement seat is provided at the inner end of the square tube of the front frame, and the limiting reinforcement seat includes a second limiting plate, and the front end of the second limiting plate extends out of the square tube of the front frame and then bends downward to form a second limiting surface.

[0010] A further improvement is that a third reinforcing rib is provided between the second limiting surface and the second limiting plate, and a fourth reinforcing rib is provided between the second limiting surface and the third reinforcing rib.

[0011] Further improvements are: an intermediate support beam is arranged between the front frame square tube and the round steel, and a plurality of reinforcing supports are arranged between the side frame beam and the intermediate support beam; a first hinge seat is arranged at the outer end of the front frame square tube, and a cylinder seat is arranged at the inner end of the front frame square tube; and rollers are arranged on the round steel.

[0012] A further improvement is that the connection assembly includes a sealing plate reinforcement beam and a plurality of connecting rectangular tubes arranged between adjacent side frame beams, and reinforcing rectangular tubes are arranged between the connecting rectangular tubes.

[0013] The utility model also provides a flat plate assembly, a second hinged seat is arranged at the rear end of the flat plate assembly, the tail plate structure as mentioned above is hinged to the second hinged seat, and a supporting portion is arranged at the bottom of the rear end of the flat plate assembly, and the rear side surface of the supporting portion is a supporting surface adapted to the limiting connecting seat and / or the limiting reinforcing seat.

[0014] The utility model also provides a flatbed tow truck, comprising a vehicle frame, on which the above-mentioned flatbed assembly is arranged, and the rear end of the vehicle frame extends out of the flatbed assembly to form a bearing portion for supporting a tail plate structure.

[0015] The beneficial effects of the utility model are:

[0016] 1. In the utility model, the tailboard structure is designed with a limit connection seat and a limit reinforcement seat. When the tailboard structure is laid flat, the supporting surface of the rear end supporting portion of the flat plate assembly and the limit connection seat and the limit reinforcement seat support each other, thereby increasing the bearing capacity of the tailboard structure.

[0017] 2. In the present invention, the rear end of the frame extends out of the flat plate assembly to form a bearing portion for supporting the tail board structure. When the tail board structure is laid flat, the bearing portion can assist in supporting the front end of the tail board structure, further improving the bearing performance of the tail board structure.

[0018] 3. In the present invention, the tailboard structure is designed with various reinforcement structures (reinforcement ribs, reinforcement plates, reinforcement supports), etc., which further improve the bearing performance of the tailboard structure.

[0019] 4. In the present invention, the tailgate structure can be bent vertically upward, thereby reducing the length of the vehicle and increasing the turning radius of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural schematic diagram of the tailgate structure in an embodiment of the utility model;

[0021] Figure 2 for Figure 1 Left view of

[0022] Figure 3 for Figure 1 Sectional view along AA direction;

[0023] Figure 4 for Figure 1 Cross-sectional view along the BB direction;

[0024] Figure 5 for Figure 1 Sectional view along CC direction;

[0025] Figure 6 A top view of the flat panel assembly in an embodiment of the utility model;

[0026] Figure 7 This is a front view of the flat panel assembly in the embodiment of the utility model;

[0027] Figure 8 for Figure 7 Schematic diagram of the middle plate assembly after removing the tail plate structure;

[0028] Fig. 9 This is a structural schematic diagram of a flatbed tow truck in an embodiment of the utility model;

[0029] Fig.10 for Fig. 9 Schematic diagram of the structure of the tail plate structure of the medium flatbed tow truck after it is laid flat;

[0030] Fig.11 for Fig. 9 Schematic diagram of the structure of a medium flatbed tow truck after removing the tailgate structure.

[0031] Reference numerals:

[0032] 1-tail plate assembly; 11-side frame beam; 12-front frame square tube; 13-round steel; 14-roller; 15-middle support beam; 16-reinforced support; 17-first articulated seat; 18-cylinder seat;

[0033] 2-connecting assembly; 21-connecting rectangular tube; 22-reinforced rectangular tube; 23-sealing plate reinforcement beam;

[0034] 3-limiting connecting seat; 31-first limiting plate; 32-first limiting surface; 33-folding edge; 34-first reinforcing rib; 35-reinforcing plate; 36-extension portion; 37-second reinforcing rib; 38-bevel portion;

[0035] 4-limiting reinforcement seat; 41-second limiting plate; 42-second limiting surface; 43-third reinforcing rib; 44-fourth reinforcing rib;

[0036] 5-plate assembly; 51-supporting portion; 52-supporting surface; 53-second hinge seat;

[0037] 6- frame; 61- load-bearing part. DETAILED DESCRIPTION

[0038] The embodiments of the present invention are described in detail below. The embodiments are shown in the accompanying drawings, wherein the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions.

[0039] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.

[0040] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0041] The following is a further description of the specific implementation of the utility model in conjunction with the drawings of the specification, so that the technical solution and its beneficial effects of the utility model are clearer and more explicit. The following description of the embodiments with reference to the drawings is exemplary and intended to explain the utility model, but cannot be understood as limiting the utility model.

[0042] See also Figure 1 to Figure 5As shown, an embodiment of the utility model provides a tailgate structure with high load-bearing capacity, including two tailgate assemblies 1 arranged opposite to each other and a connecting assembly 2 arranged between the two tailgate assemblies 1, the tailgate assembly 1 includes side frame beams 11, and the front ends of the side frame beams 11 are connected by a front frame square tube 12, and the rear ends of the side frame beams 11 are connected by round steel 13; specifically, an intermediate support beam 15 is arranged between the front frame square tube 12 and the round steel 13, and a plurality of reinforcing supports 16 are arranged between the side frame beams 11 and the intermediate support beam 15; a first hinge seat 17 is arranged at the outer end of the front frame square tube 12, and a cylinder seat 18 is arranged at the inner end of the front frame square tube 12; a roller 14 is arranged on the round steel 13.

[0043] See also Figure 3 As shown, a limited connection seat 3 is provided in the middle of the front frame square tube 12, and the limited connection seat 3 includes a first limited plate 31 provided at the bottom of the front frame square tube 12, and the front end of the first limited plate 31 extends out of the front frame square tube 12 and then bends downward to form a first limited surface 32. Specifically, the rear end of the first limited plate 31 is bent downward to form a folded edge portion 33, and a first reinforcing rib 34 is provided between the folded edge portion 33 and the first limited surface 32. The limited connection seat 3 also includes a reinforcing plate 35, which is provided on the front side of the first limited surface 32, and the lower end of the reinforcing plate 35 is flush with the end of the first limited surface 32, and the upper end of the reinforcing plate 35 is bent backward and extended to form an extension portion 36, and the extension portion 36 is connected to the top surface of the front frame square tube 12. The height of the folded edge portion 33 is smaller than the height of the first limiting plate 31 ; a bevel portion 38 is provided at the connection between the extension portion 36 and the reinforcing plate 35 , and a second reinforcing rib 37 is provided between the reinforcing plate 35 and the front frame square tube 12 .

[0044] See also Figure 5 As shown, a limiting reinforcing seat 4 is provided at the inner side end of the front frame square tube 12, and the limiting reinforcing seat 4 includes a second limiting plate 41, and the front end of the second limiting plate 41 extends out of the front frame square tube 12 and then bends downward to form a second limiting surface 42. Specifically, a third reinforcing rib 43 is provided between the second limiting surface 42 and the second limiting plate 41, and a fourth reinforcing rib 44 is provided between the second limiting surface 42 and the third reinforcing rib 43.

[0045] See also Figure 5 As shown, the connection assembly 2 includes a sealing plate reinforcement beam 23 and a plurality of connecting rectangular tubes 21 arranged between the adjacent side frame beams 11 , and reinforcing rectangular tubes 22 are arranged between the connecting rectangular tubes 21 .

[0046] See also Figure 6 to Figure 8As shown, the embodiment of the utility model further provides a flat plate assembly, the rear end of the flat plate assembly 5 is provided with a second hinge seat 53, the tail plate structure as mentioned above is hinged to the second hinge seat 53, and the rear end bottom of the flat plate assembly 5 is provided with a supporting portion 51, the rear side surface of the supporting portion 51 is a supporting surface 52 adapted to the limiting connecting seat 3 and / or the limiting reinforcing seat 4.

[0047] See also Figures 9 to 11 As shown, the embodiment of the utility model further provides a flatbed tow truck, including a frame 6, on which the above-mentioned flatbed assembly 5 is arranged, and the rear end of the frame 6 extends out of the flatbed assembly 5 to form a bearing portion 61 for supporting the tail plate structure.

[0048] In the description of the specification, the description with reference to the terms "one embodiment", "preferably", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model, and the schematic expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0049] Through the description of the above structure and principle, technicians in the relevant technical field should understand that the present invention is not limited to the above-mentioned specific implementation methods. Improvements and substitutions based on the present invention using the known technology in the field all fall within the protection scope of the present invention and should be defined by the claims.

Claims

1. A tailgate structure with high load-bearing capacity, comprising two tailgate assemblies (1) arranged opposite to each other and a connecting assembly (2) arranged between the two tailgate assemblies (1), characterized in that: The tailgate assembly (1) comprises side frame beams (11), the front ends of the side frame beams (11) are connected via a front frame square tube (12), and the rear ends of the side frame beams (11) are connected via round steel (13); A limit connection seat (3) is arranged in the middle of the front frame square tube (12), and the limit connection seat (3) comprises a first limit plate (31) arranged at the bottom of the front frame square tube (12), and the front end of the first limit plate (31) extends out of the front frame square tube (12) and then bends downward to form a first limit surface (32).

2. The tailgate structure with high load-bearing capacity according to claim 1, characterized in that: The rear end of the first limiting plate (31) is bent downward to form a folded edge portion (33), and a first reinforcing rib (34) is provided between the folded edge portion (33) and the first limiting surface (32).

3. The tailgate structure with high load-bearing capacity according to claim 2, characterized in that: The limit connection seat (3) also includes a reinforcing plate (35), which is arranged on the front side of the first limit surface (32), and the lower end of the reinforcing plate (35) is flush with the end of the first limit surface (32), and the upper end of the reinforcing plate (35) is bent backward and extended to form an extension portion (36), and the extension portion (36) is connected to the top surface of the front frame square tube (12).

4. The tailgate structure with high load-bearing capacity according to claim 3, characterized in that: The height of the folded edge portion (33) is smaller than the height of the first limiting plate (31); a bevel portion (38) is provided at the connection between the extension portion (36) and the reinforcing plate (35); and a second reinforcing rib (37) is provided between the reinforcing plate (35) and the front frame square tube (12).

5. The tailgate structure with high load-bearing capacity according to claim 1, characterized in that: A limiting reinforcement seat (4) is arranged at the inner side end of the front frame square tube (12), and the limiting reinforcement seat (4) comprises a second limiting plate (41), the front end of the second limiting plate (41) extends out of the front frame square tube (12) and then bends downward to form a second limiting surface (42).

6. The tailgate structure with high load-bearing capacity according to claim 5, characterized in that: A third reinforcing rib (43) is provided between the second limiting surface (42) and the second limiting plate (41), and a fourth reinforcing rib (44) is provided between the second limiting surface (42) and the third reinforcing rib (43).

7. The tailgate structure with high load-bearing capacity according to claim 1, characterized in that: An intermediate support beam (15) is arranged between the front frame square tube (12) and the round steel (13), and a plurality of reinforcing supports (16) are arranged between the side frame beam (11) and the intermediate support beam (15); a first hinge seat (17) is arranged at the outer end of the front frame square tube (12), and an oil cylinder seat (18) is arranged at the inner end of the front frame square tube (12); and a roller (14) is arranged on the round steel (13).

8. The tailgate structure with high load-bearing capacity according to claim 1, characterized in that: The connection assembly (2) comprises a sealing plate reinforcing beam (23) and a plurality of connecting rectangular tubes (21) arranged between adjacent side frame beams (11), and reinforcing rectangular tubes (22) are arranged between the connecting rectangular tubes (21).

9. A flat plate assembly, wherein a second hinge seat (53) is provided at the rear end of the flat plate assembly (5), characterized in that: The tailgate structure as described in any one of claims 1 to 8 is hinged to the second hinge seat (53), and a supporting portion (51) is provided at the bottom of the rear end of the flat plate assembly (5), and the rear side surface of the supporting portion (51) is a supporting surface (52) adapted to the limiting connection seat (3) and / or the limiting reinforcement seat (4).

10. A flatbed tow truck, comprising a frame (6), characterized in that: The vehicle frame (6) is provided with a flat panel assembly (5) as claimed in claim 9, and the rear end of the vehicle frame (6) extends out of the flat panel assembly (5) to form a bearing portion (61) for supporting the tail plate structure.

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