Carriage with top cover

By fixing the hinge shaft on the upper beam of the carriage and using a flipping drive device to drive the hinge shaft to rotate, the continuous hinge connection is eliminated, which solves the problems of large space occupation and complex structure of the existing carriage roof, and realizes a simple and flexible driving method and reduces the failure rate.

CN224145739UActive Publication Date: 2026-04-21LIANGSHAN TONGHUA SPECIAL PURPOSE VEHICLE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LIANGSHAN TONGHUA SPECIAL PURPOSE VEHICLE
Filing Date
2025-05-08
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

The existing double-hinged connection method of the carriage roof occupies a lot of space and has a complex structure, resulting in a high failure rate and cost.

Method used

The hinge is directly fixed to the upper beam, and the hinge is driven to rotate by a flipping drive device, eliminating the continuous hinge connection. The flipping of the top cover is achieved by using a gear rack and a telescopic device.

Benefits of technology

The drive mechanism has been simplified, reducing the height of the hinge connection and the lateral space occupied, thus lowering the failure rate and cost.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224145739U_ABST
    Figure CN224145739U_ABST
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Abstract

The utility model relates to a carriage with a top cover, roof side rails are arranged on the upper portions of carriage plates on the two sides of the carriage, at least one position of the roof side rail on the left side of the carriage or the roof side rail on the right side of the carriage is provided with a hinged shaft, and the top cover is installed on the hinged shaft. At least one of the front portion and the rear portion of the compartment is provided with a turnover driving device, and the turnover driving device drives the hinged shaft to rotate. According to the compartment with the top cover, the top cover is directly fixed to the hinged shaft on the upper portion of the upper edge beam, the hinged shaft is directly driven to rotate through the turnover driving device, and then the top cover is driven to turn over with the hinged shaft as a rotating shaft. In this way, only the hinged shaft needs to be directly driven to rotate, the moving track of the overturning driving device does not need to be considered, and the driving mode is simple and flexible. Meanwhile, the top cover is directly fixed on the hinged shaft, a continuous hinge connection structure does not need to be arranged, the height occupied by hinge connection of the top cover is greatly reduced, and meanwhile the occupied space of hinge connection in the transverse direction is also reduced.
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Description

Technical Field

[0001] This utility model relates to a carriage roof, specifically to a carriage with a roof that can be opened and closed by flipping. Background Technology

[0002] In vehicles used for transportation, a tarpaulin or roof is installed on the upper part of the vehicle's cargo compartment. This roof is a folding rigid panel connected to one or both sides of the cargo compartment by hinges. Currently, the hinges at both ends of the existing cargo compartment roofs are mostly two-stage hinges, meaning two consecutive hinges are connected by chains and driven by four hydraulic cylinders to open and close the roof. However, this existing hinge connection and drive system inevitably requires the roof hinges to occupy a significant amount of height and width space to ensure that the roof's movement trajectory matches the trajectory of the tilting drive. Furthermore, the existing tilting drive and hinge connection methods are structurally complex, resulting in a high failure rate and cost. Utility Model Content

[0003] The main purpose of this utility model is to provide a carriage with a roof, so as to solve the problem that the double-hinged connection method of the roof in the prior art occupies a large height and space, while the existing flip-drive and hinge connection methods have complex structures, high failure rates and high costs.

[0004] This utility model provides a carriage with a roof. The upper part of the side panels of the carriage is provided with an upper beam. At least one of the upper beams on the left side or the right side of the carriage is provided with a hinge shaft. The roof is mounted on the hinge shaft. At least one of the front and rear parts of the carriage is provided with a tilting drive device, which drives the hinge shaft to rotate.

[0005] Preferably, at least one of the hinge shafts located at the front and rear of the carriage extends forward or backward to the front or rear of the carriage, and a gear is provided on the shaft segment extending out of the length direction of the carriage; a rack that meshes with the gear is provided at the front or rear of the carriage, and the rack is connected to a telescopic device that drives the rack to move.

[0006] Preferably, the telescopic device is a hydraulic cylinder or a pneumatic cylinder, and the front and rear parts of the carriage are respectively provided with top beams, the hydraulic cylinder or pneumatic cylinder is mounted on the top beams, and the rack is arranged laterally and located above or below the gear.

[0007] Preferably, the rack is provided with a clearance adjustment frame, and the clearance adjustment frame is provided with a tensioning wheel, and the rack moves between the tensioning wheel and the gear.

[0008] Preferably, the gap adjustment frame includes a fixing plate, the vertical plate of the fixing plate is attached to and fixed to the carriage, the horizontal plate of the fixing plate is located above the vertical plate and extends away from the carriage; the top wheel is fixed to the horizontal plate.

[0009] Preferably, the vertical plate is provided with vertically extending strip-shaped holes, the upper and lower parts of which are fixed to the carriage by adjusting bolts.

[0010] Preferably, the rack is arranged vertically, and the telescopic device is arranged vertically on the carriage and drives the rack to move up and down.

[0011] Preferably, the uprights of the carriage are hollow tubes, and the telescopic device and the rack are located inside the hollow tubes.

[0012] Preferably, the tilting drive device is located at the front of the carriage.

[0013] Preferably, the hinge shaft is further connected to a hinge shaft fixing seat, and a sleeve is provided on the hinge shaft fixing seat, within which the hinge shaft rotates.

[0014] The covered carriage provided by this utility model has the following advantages compared with the prior art:

[0015] The utility model provides a covered carriage where the cover is directly fixed to a hinge shaft on the upper part of the upper beam. A tilting drive device directly drives the hinge shaft to rotate, thereby causing the cover to tilt around the hinge shaft. This method only requires directly driving the hinge shaft to rotate, eliminating the need to consider the trajectory of the tilting drive device, making the driving method simple and flexible. Furthermore, since the cover is directly fixed to the hinge shaft, there is no need for a continuous hinge connection structure, significantly reducing the height occupied by the hinge connection and also reducing the lateral space occupied by the hinge connection. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0017] Obviously, the accompanying drawings described below are only some specific embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without any creative effort.

[0018] Figure 1 This is a three-dimensional structural diagram of the carriage when the top cover is opened in Embodiment 1 of this utility model.

[0019] Figure 2This is a partial side view of the carriage when the top cover is flipped to one side in Embodiment 1 of this utility model.

[0020] Figure 3 This is a partial side view of the carriage when the top cover is opened in Embodiment 1 of this utility model.

[0021] Figure 4 This is a partial rear view of the carriage when the rack is located above the gear in Embodiment 1 of this utility model.

[0022] Figure 5 This is a partial rear view of the carriage when the rack is vertically arranged in Embodiment 1 of this utility model.

[0023] In the attached image:

[0024] label name label name 1 Hydraulic cylinder mounting base 8 Top tensioner 2 Fixed pin 9 Hinge 3 hydraulic cylinder 10 sleeve 4 rack 11 Fixing sleeve 5 gear 12 Top cover 6 Adjusting bolts 7 Gap Adjustment Frame Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0026] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0027] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0028] Furthermore, in this utility model, the use of terms such as "first," "second," etc., is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0029] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixing," etc., should be interpreted broadly. For example, "fixing" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0030] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0031] Example 1

[0032] This embodiment provides a covered carriage. Upper side beams are provided on the upper part of the side panels on both sides of the carriage. At least one hinge shaft 9 is provided on either the left or right side side beam of the carriage, and the cover 12 is mounted on the hinge shaft 9. When there is one cover 12, it is mounted on the left or right side side beam via the hinge shaft 9. When there are two covers 12, they are respectively located on the left and right side side beams. At least one tilting drive device is provided at the front and rear of the carriage, driving the hinge shaft 9 to rotate. It should be noted that when the rear of the carriage is a rear-hinged door and it is inconvenient to install a tilting drive device there, the tilting drive device is only located at the front of the carriage, driving the hinge shaft 9 to rotate, thereby rotating the cover 12.

[0033] The covered carriage provided in this embodiment has the cover 12 directly fixed to the hinge shaft 9 on the upper part of the upper beam. The hinge shaft 9 is directly driven to rotate by a tilting drive device, thereby causing the cover 12 to tilt around the hinge shaft 9. This method only requires directly driving the hinge shaft 9 to rotate, without considering the running trajectory of the tilting drive device, making the driving method simple and flexible. At the same time, since the cover 12 is directly fixed to the hinge shaft 9, there is no need to set up a continuous hinge connection structure, which greatly reduces the height occupied by the hinge connection of the cover 12, and also reduces the space occupied by the hinge connection in the lateral direction.

[0034] Specifically, in this embodiment, to facilitate the connection between the hinge shaft 9 and the tilting drive device, the hinge shaft 9 should extend out of the carriage. That is, at least one portion of the hinge shaft 9 located at the front and rear of the carriage extends forward or backward to the front or rear of the carriage. A gear 5 is provided on the axle segment extending out of the axle length direction of the hinge shaft 9. A rack 4 that meshes with the gear 5 is provided at the front or rear of the carriage. The rack 4 is fitted against the front or rear of the carriage, and a telescopic device that drives the rack 4 to move is connected to it. When the telescopic device extends or retracts, it causes the rack 4 to move left and right or up and down. The movement of the rack 4 can drive the gear 5 to rotate, which in turn drives the hinge shaft 9, which is fixed to the gear 5, to rotate. Finally, the rotation of the hinge shaft 9 causes the top cover 12 to tilt.

[0035] More specifically, in this embodiment, the telescopic device is a hydraulic cylinder 3, and the front and rear parts of the carriage are respectively provided with top beams, with the hydraulic cylinder 3 mounted on the top beams. Of course, the hydraulic cylinder can also be a pneumatic cylinder, a telescopic motor, or other telescopic drive device. It should be noted that when the telescopic device is mounted on the top beam, the rack is arranged laterally, located above or below the gear.

[0036] More specifically, in this embodiment, in order to bring the rack 4 closer to the gear, a clearance adjustment frame 7 is provided at the lower part of the rack 4, and a tensioning wheel 8 is provided on the clearance adjustment frame 7, and the rack 4 moves between the tensioning wheel 8 and the gear.

[0037] More specifically, in order to provide stable support, the gap adjustment frame 7 includes a fixing plate, the vertical plate of the fixing plate is attached to and fixed to the carriage, the horizontal plate of the fixing plate is located above the vertical plate and extends away from the carriage; the top wheel 8 is fixed to the horizontal plate.

[0038] More specifically, in this embodiment, the vertical plate is provided with vertically extending strip-shaped holes, the upper and lower parts of which are fixed to the carriage by adjusting bolts 6. The design of these strip-shaped holes not only reduces installation difficulty and facilitates aligning the adjusting bolts 6 with the pre-set screw holes on the carriage, but also allows for easy adjustment of the height of the vertical plate when needed.

[0039] Specifically, to prevent the rack from extending beyond the lateral width of the carriage, the rack is vertically positioned, and the telescopic device is vertically mounted on the carriage, driving the rack to move up and down.

[0040] More specifically, in order to conceal the rack and the telescopic device, the uprights of the carriage are hollow tubes, and the telescopic device and the rack are located inside the hollow tubes.

[0041] More specifically, when it is inconvenient to install the tilting drive device at the rear of the carriage, the tilting drive device is installed at the front of the carriage, and the shaft used to drive the top cover 12 to tilt should also extend out of the front of the carriage.

[0042] Specifically, in this embodiment, in order to prevent the hinge shaft 9 from moving, the hinge shaft 9 is also connected to a hinge shaft 9 fixing seat, and a sleeve 10 is provided on the hinge shaft 9 fixing seat, and the hinge shaft 9 rotates in the sleeve 10.

[0043] More specifically, in this embodiment, in order to rotatably connect the top cover 12, which is located away from the hinge shaft 9, the top cover 12 can also be connected to the upper beam by a hinge. The pivot of the hinge should be basically consistent with the axis of the hinge shaft 9. Of course, in addition to the hinge, other hinge connection methods can also be used.

[0044] Of course, the above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model and should be protected by the present utility model.

Claims

1. A covered carriage, wherein upper side beams are provided on the upper part of the side panels of the carriage, characterized in that, At least one hinge pin is provided on the upper beam on the left side of the carriage or the upper beam on the right side of the carriage, and the top cover is mounted on the hinge pin; At least one of the front and rear sections of the carriage is equipped with a tilting drive device, which drives the hinge shaft to rotate.

2. The covered carriage as described in claim 1, characterized in that, At least one of the hinge shafts located at the front and rear of the carriage extends forward or backward to the front or rear of the carriage. A gear is provided on the shaft segment extending out of the length direction of the carriage. A rack that meshes with the gear is provided at the front or rear of the carriage. The rack is connected to a telescopic device that drives the rack to move.

3. The covered carriage as described in claim 2, characterized in that, The telescopic device is a hydraulic cylinder or a pneumatic cylinder. The front and rear parts of the carriage are respectively provided with top beams. The hydraulic cylinder or pneumatic cylinder is mounted on the top beams. The rack is arranged laterally and is located above or below the gear.

4. The covered carriage as described in claim 2 or 3, characterized in that, The rack is provided with a clearance adjustment frame, and a tensioning wheel is provided on the clearance adjustment frame. The rack moves between the tensioning wheel and the gear.

5. The covered carriage as described in claim 4, characterized in that, The gap adjustment frame includes a fixing plate, the vertical plate of which is attached to and fixed to the carriage, and the horizontal plate of which is located above the vertical plate and extends away from the carriage; the top wheel is fixed to the horizontal plate.

6. The covered carriage as described in claim 5, characterized in that, The vertical plate is provided with vertically extending strip-shaped holes, and the upper and lower parts of the strip-shaped holes are respectively fixed to the carriage by adjusting bolts.

7. The covered carriage as described in claim 2, characterized in that, The rack is vertically arranged, and the telescopic device is vertically arranged on the carriage, driving the rack to move up and down.

8. The covered carriage as described in claim 7, characterized in that, The uprights of the carriage are hollow tubes, and the telescopic device and the rack are located inside the hollow tubes.

9. The covered carriage as described in claim 1, characterized in that, The tilting drive device is located at the front of the carriage.

10. The covered carriage as described in claim 1, characterized in that, The hinge shaft is also connected to a hinge shaft fixing seat, and a sleeve is provided on the hinge shaft fixing seat, and the hinge shaft rotates within the sleeve.