Rear-mounted folding type automobile tailboard

By using symmetrically distributed reinforcing ribs and a fixed sleeve structure, combined with a limiting crossbar and belt drive system, the problem of the tailplate loosening during bumpy rides was solved, thus improving stability and power transmission efficiency.

CN223821561UActive Publication Date: 2026-01-23FOSHAN BORUITE MASCH CO LTD
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Patent Information

Application Number
CN202520641115.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-01-23
Estimated Expiration
2035-04-08

AI Technical Summary

Technical Problem

Existing rear-folding tailgates are prone to loosening due to shaking and bumps during vehicle operation, affecting their support stability.

Method used

The structure adopts a symmetrically distributed reinforcing ribs and fixing sleeves, combined with the cooperation of limiting crossbars, positioning support plates and limiting screws, and improves structural stability and power transmission efficiency through a belt drive system.

Benefits of technology

It enhances the structural and support stability of the tailgate under bumpy road conditions, reduces wear and malfunctions, and improves power transmission efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223821561U_ABST
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Abstract

The utility model relates to the technical field of automobile tailboards, and discloses a rear-mounted folding type automobile tailboard which comprises a folding type tailboard body, the rear end of the folding type tailboard body is fixedly connected with a reinforcing rib, the bottom of the reinforcing rib is fixedly connected with a fixed sleeve, and the interior of the fixed sleeve is rotationally connected with a rotating transverse rod. A first belt wheel is fixedly connected to the surface of the rotating transverse rod, a belt is connected to the surface of the first belt wheel through a belt, and a second belt wheel is connected to the inner wall of the belt through a belt. The limiting transverse column is matched with the positioning supporting plate and the limiting screw rod, the stability of the structure is enhanced, after the folding tail plate is arranged to rotate to a proper angle, the positioning bolt pipe is inserted to penetrate through the limiting hole and the connecting sleeve to extend into the fixing sleeve, and the positioning bolt pipe is inserted into the limiting hole to extend into the fixing sleeve. And the folding tail plate and the fixed sleeve are limited on the surface of the rotating cross rod, and the supporting stability after angle adjustment is completed when the equipment is used is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile tailboard, especially relates to a rear folding type automobile tailboard. BACKGROUND

[0002] The rear folding type automobile tailboard is an innovative solution in automobile design, mainly applied in logistics transportation and cargo loading and unloading. Its design ingeniously hides the tailboard under the rear of the vehicle, which can be easily unfolded to form a plane when needed, facilitating cargo loading and unloading; when not needed, it can be completely retracted into the bottom of the vehicle girder, achieving completely hidden installation. The folding tailboard is particularly suitable for vehicles that need to frequently interface with cargo platforms and warehouses, and plays a key role in cold chain logistics. Its seamless interface design makes loading and unloading more efficient. In addition, due to its small size, light weight, smooth movement and other characteristics, it is mainly used in cold chain logistics and dedicated line logistics,

[0003] The existing rear folding type automobile tailboard is prone to looseness during vehicle travel due to road shaking and bumping, which affects the support stability of the equipment after installation. SUMMARY

[0004] To solve the above technical problems, the utility model provides a rear folding type automobile tailboard.

[0005] The utility model adopts the following technical scheme: a rear folding type automobile tailboard, including folding tailboard, the rear end of folding tailboard is fixedly connected with reinforcing rib, the bottom of reinforcing rib is fixedly connected with fixed sleeve, the inside of fixed sleeve is rotatably connected with rotating cross bar,

[0006] The surface of rotating cross bar is fixedly connected with pulley one, the surface of pulley one is connected with belt through belt, the inner wall of belt is connected with pulley two through belt, the inner wall of pulley two is fixedly connected with motor, the surface of motor is clamped with installation shell, the bottom of installation shell is fixedly connected with connecting sleeve, the inside of connecting sleeve is rotatably connected with limiting cross column, the front surface of limiting cross column is clamped with positioning support plate, the inside of positioning support plate is screwed with limiting screw, the top of positioning support plate is fixedly connected with bearing support plate, the inside of connecting sleeve is provided with limiting hole, the inside of limiting hole is inserted with positioning bolt, the positioning bolt extends to the inside of fixed sleeve through connecting sleeve and limiting hole.

[0007] As a further improvement of the above scheme, the number of reinforcing ribs and fixed sleeves is two, and the two reinforcing ribs and fixed sleeves are symmetrically distributed left and right around the folding tailboard.

[0008] By the above technical scheme, since the reinforcing ribs and the fixing sleeves are distributed symmetrically left and right around the folding tailboard, the symmetric structure can make the tailboard bear force evenly when bearing load, and the symmetric reinforcing ribs can effectively prevent the tailboard from deforming or being damaged due to uneven force in the process of bearing goods or unfolding and folding the tailboard, thereby improving the overall structural stability of the tailboard.

[0009] As a further improvement of the above scheme, the inside of the connecting sleeve is rotationally connected with a rotating cross rod, and the number of the connecting sleeves is two, and the two connecting sleeves are symmetrically distributed around the rotating cross rod.

[0010] By the above technical scheme, the two connecting sleeves are symmetrically distributed around the rotating cross rod, and the symmetric connecting sleeves can provide balanced support force in the rotating process of the rotating cross rod, which helps to keep the stable rotation of the rotating cross rod and reduces the wear or failure caused by excessive force on one side, thereby ensuring the reliability of the whole tailboard transmission system.

[0011] As a further improvement of the above scheme, the belt is located at the left end of the fixing sleeve, and the belt is located at the left end of the motor.

[0012] As a further improvement of the above scheme, the limiting screw extends through the positioning support plate to the inside of the limiting cross column, and the number of the bearing support plates is two, and the two bearing support plates are symmetrically distributed left and right around the positioning support plate.

[0013] As a further improvement of the above scheme, the positioning support plate is located on the front face of the connecting sleeve, and the bearing support plate is located on the front face of the folding tailboard.

[0014] As a further improvement of the above scheme, the inside of the limiting cross column is threadedly connected with the limiting screw, and the bearing support plate is located on the front face of the mounting shell.

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] The utility model discloses a limiting cross column, positioning support plate and limiting screw are cooperated, and the stability of structure is strengthened, limiting screw extends through positioning support plate to the inside of limiting cross column, and this connecting mode can firmly fix the position of positioning support plate, and even if meeting the bumpy road condition in the process that the car travels, positioning support plate also can not easily shake or shift, thereby guaranteeing the stability of bearing support plate, making it reliably bear goods, when folding tailboard is rotated to the suitable angle, and when inserting positioning pin tube extends to the inside of fixing sleeve through limiting hole and connecting sleeve, folding tailboard and fixing sleeve are limited on the surface of rotating cross rod, and the support stability after angle adjustment when the equipment is used is increased.

[0017] The utility model discloses a drive belt is connected through the pulley one through the drive belt with the pulley two, and the motor drives the pulley two rotation, and then drives the pulley one and the rotating cross bar rotation through the drive belt, and the drive belt transmission has the characteristics of buffering and shock absorption, can reduce the impact force of motor starting and stopping to the influence of whole system to a certain extent, simultaneously, the drive belt is located at the left end of fixed sleeve and the left end of motor, and this kind of layout makes the power transmission path relatively simple and clear, reduces the energy loss in power transmission process, improves power transmission efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole structure schematic diagram of the utility model;

[0019] Figure 2 It is side anatomical structure schematic diagram of the utility model;

[0020] Figure 3 It is back view fixed sleeve split structure schematic diagram of the utility model;

[0021] Figure 4 It is structure enlarged schematic diagram of the utility model A place;

[0022] Figure 5 It is structure schematic diagram of the utility model from the bottom.

[0023] Main symbol explanation:

[0024] 1, folding tailgate;2, reinforcing rib;3, fixed sleeve;4, rotating cross bar;5, pulley one;6, drive belt;7, pulley two;8, motor;9, installation shell;10, connecting sleeve;11, limit cross column;12, positioning support plate;13, limit screw;14, bearing support plate;15, limit hole;16, positioning bolt. DETAILED DESCRIPTION

[0025] Below, combining the drawings and specific implementation, the utility model is described further, need explaining is, under the premise of not conflicting, the following described each embodiment between or each technical feature between can be any combination and form new embodiment.

[0026] Embodiment:

[0027] Please combine Figures 1-5 The utility model discloses a rear folding type automobile tailgate, including folding tailgate 1, the rear end fixed connection of folding tailgate 1 has reinforcing rib 2, and the bottom fixed connection of reinforcing rib 2 has fixed sleeve 3, and the inside rotation of fixed sleeve 3 is connected with rotating cross bar 4;

[0028] The surface of the rotating cross rod 4 is fixedly connected with a pulley one 5, the surface of the pulley one 5 is connected with a belt 6, the inner wall of the belt 6 is connected with a pulley two 7, the inner wall of the pulley two 7 is fixedly connected with a motor 8, the surface of the motor 8 is clamped with a mounting shell 9, the bottom of the mounting shell 9 is fixedly connected with a connecting sleeve 10, the inside of the connecting sleeve 10 is rotatably connected with a limiting cross column 11, the front of the limiting cross column 11 is clamped with a positioning support plate 12, the inside of the positioning support plate 12 is threadedly connected with a limiting screw 13, the top of the positioning support plate 12 is fixedly connected with a bearing support plate 14, the inside of the connecting sleeve 10 is provided with a limiting hole 15, the inside of the limiting hole 15 is inserted with a positioning bolt 16, the positioning bolt 16 extends to the inside of the fixed sleeve 3 through the connecting sleeve 10 and the limiting hole 15, by setting the limiting cross column 11 and the positioning support plate 12 and the limiting screw 13, the stability of the structure is enhanced, the limiting screw 13 extends to the inside of the limiting cross column 11 through the positioning support plate 12, this connection mode can firmly fix the position of the positioning support plate 12, during the driving process of the automobile, even if encountering bumpy road conditions, the positioning support plate 12 will not easily shake or shift, thereby ensuring the stability of the bearing support plate 14, so that it can reliably bear the goods, by setting the folding tailgate 1 to rotate to the appropriate angle, when the positioning bolt 16 extends to the inside of the fixed sleeve 3 through the limiting hole 15 and the connecting sleeve 10, the folding tailgate 1 and the fixed sleeve 3 are limited on the surface of the rotating cross rod 4, increasing the support stability after angle adjustment when the equipment is used.

[0029] The number of reinforcing ribs 2 and fixed sleeves 3 is two, and the two reinforcing ribs 2 and fixed sleeves 3 are distributed symmetrically left and right around the folding tailgate 1.

[0030] Since the reinforcing ribs 2 and the fixed sleeves 3 are distributed symmetrically left and right around the folding tailgate 1, this symmetrical structure can make the tailgate bear load evenly, whether it is carrying goods or in the process of unfolding and folding the tailgate, the symmetrical reinforcing ribs 2 can effectively prevent the tailgate from deforming or damaging due to uneven stress, improving the overall structural stability of the tailgate.

[0031] The inside of the connecting sleeve 10 is rotatably connected with a rotating cross rod 4, the number of connecting sleeves 10 is two, and the two connecting sleeves 10 are distributed symmetrically around the rotating cross rod 4.

[0032] The two connecting sleeves 10 are distributed symmetrically around the rotating cross rod 4, and during the rotating process of the rotating cross rod 4, the symmetrical connecting sleeves 10 can provide balanced support force, which helps to maintain the stable rotation of the rotating cross rod 4, reduces wear or failure caused by excessive stress on one side, thereby ensuring the reliability of the entire tailgate transmission system.

[0033] The belt 6 is located at the left end of the fixed sleeve 3, the belt 6 is located at the left end of the motor 8, the belt 6 is connected with the belt pulley two 7 through the belt pulley one 5, the motor 8 drives the belt pulley two 7 to rotate, and then the belt 6 drives the belt pulley one 5 and the rotating cross rod 4 to rotate, the belt 6 transmission has the characteristics of buffering and shock absorption, which can reduce the impact force generated when the motor 8 starts and stops to a certain extent. The influence on the whole system, at the same time, the belt 6 is located at the left end of the fixed sleeve 3 and the left end of the motor 8, this layout makes the power transmission path more simple and clear, reduces the energy loss in the power transmission process, and improves the power transmission efficiency.

[0034] The limiting screw 13 extends through the positioning support plate 12 to the inside of the limiting cross column 11, and the number of the bearing support plate 14 is two, and the two bearing support plates 14 are distributed symmetrically left and right with the positioning support plate 12 as the center.

[0035] The positioning support plate 12 is located on the front surface of the connecting sleeve 10, and the bearing support plate 14 is located on the front surface of the folding tail plate 1.

[0036] The limiting screw 13 is screwed in the inside of the limiting cross column 11, and the bearing support plate 14 is located on the front surface of the mounting shell 9.

[0037] The implementation principle of the folding tail plate 1 in the embodiment of the application is that: by setting the limiting cross column 11 and the positioning support plate 12 and the limiting screw 13, the stability of the structure is enhanced, the limiting screw 13 extends through the positioning support plate 12 to the inside of the limiting cross column 11, this connection mode can firmly fix the position of the positioning support plate 12, even if the road condition is rough during driving, the positioning support plate 12 will not easily shake or shift, thereby ensuring the stability of the bearing support plate 14, so that it can reliably bear the goods, after the folding tail plate 1 is rotated to the appropriate angle, when the positioning pin 16 tube extends to the inside of the fixed sleeve 3 through the limiting hole 15 and the connecting sleeve 10, the folding tail plate 1 and the fixed sleeve 3 are limited on the surface of the rotating cross rod 4, the supporting stability after the angle adjustment is completed when the equipment is used is increased, the belt 6 is connected with the belt pulley two 7 through the belt pulley one 5, the motor 8 drives the belt pulley two 7 to rotate, and then the belt 6 drives the belt pulley one 5 and the rotating cross rod 4 to rotate, the belt 6 transmission has the characteristics of buffering and shock absorption, which can reduce the impact force generated when the motor 8 starts and stops to a certain extent. The influence on the whole system, at the same time, the belt 6 is located at the left end of the fixed sleeve 3 and the left end of the motor 8, this layout makes the power transmission path more simple and clear, reduces the energy loss in the power transmission process, and improves the power transmission efficiency.

[0038] The above-mentioned embodiments are only preferred embodiments of the present application, and cannot be used to limit the scope of protection of the present application. Any non-essential changes and replacements made by those skilled in the art on the basis of the present application shall fall within the scope of protection of the present application.

Claims

1. A rear-mounted folding tailgate for automobiles, characterized in that, It includes a folding tailplate (1), the rear end of which is fixedly connected to a reinforcing rib (2), the bottom of which is fixedly connected to a fixing sleeve (3), and the inside of the fixing sleeve (3) is rotatably connected to a rotating crossbar (4). A pulley (5) is fixedly connected to the surface of the rotating crossbar (4). A belt (6) is connected to the surface of the pulley (5). A pulley (7) is connected to the inner wall of the belt (6). A motor (8) is fixedly connected to the inner wall of the pulley (7). A mounting housing (9) is snapped onto the surface of the motor (8). A connecting sleeve (10) is fixedly connected to the bottom of the mounting housing (9). A limit column (11) is rotatably connected inside the connecting sleeve (10). A positioning support plate (12) is snapped onto the front of the limiting column (11). A limiting screw (13) is threaded inside the positioning support plate (12). A bearing support plate (14) is fixedly connected to the top of the positioning support plate (12). A limiting hole (15) is opened inside the connecting sleeve (10). A positioning pin (16) is inserted into the limiting hole (15). The positioning pin (16) passes through the connecting sleeve (10) and the limiting hole (15) and extends into the interior of the fixing sleeve (3).

2. The rear-mounted folding tailgate of a car as described in claim 1, characterized in that: The number of the reinforcing ribs (2) and the fixing sleeves (3) is set to two, and the two reinforcing ribs (2) and fixing sleeves (3) are symmetrically distributed on the left and right sides with the folding tail plate (1) as the center.

3. A rear-mounted folding tailgate as described in claim 1, characterized in that: The connecting sleeve (10) is rotatably connected to a rotating crossbar (4). The number of connecting sleeves (10) is set to two, and the two connecting sleeves (10) are symmetrically distributed with the rotating crossbar (4) as the center.

4. A rear-mounted folding tailgate as described in claim 1, characterized in that: The belt (6) is located at the left end of the fixed sleeve (3) and at the left end of the motor (8).

5. A rear-mounted folding tailgate as described in claim 1, characterized in that: The limiting screw (13) extends through the positioning support plate (12) to the interior of the limiting cross column (11). The number of the bearing support plates (14) is set to two, and the two bearing support plates (14) are symmetrically distributed on the left and right with the positioning support plate (12) as the center.

6. A rear-mounted folding tailgate as described in claim 1, characterized in that: The positioning support plate (12) is located on the front of the connecting sleeve (10), and the bearing support plate (14) is located on the front of the folding tail plate (1).

7. A rear-mounted folding tailgate as described in claim 1, characterized in that: The internal thread of the limiting column (11) is connected to the limiting screw (13), and the bearing support plate (14) is located on the front of the mounting shell (9).