Cabin door structure and vehicle

By setting multiple insertion holes, rotating rods, and sliding rods on the locking assembly of the terrain vehicle's hatch, the problem of uneven force distribution on the hatch under vertical force is solved, achieving uniform force distribution and improved sealing effect.

CN224145732UActive Publication Date: 2026-04-21SUZHOU AUTOMOBILE RES INST OF TSINGHUA UNIV (WUJIANG) +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU AUTOMOBILE RES INST OF TSINGHUA UNIV (WUJIANG)
Filing Date
2023-12-25
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

When the terrain vehicle cabin door is subjected to vertical force, the single connection point causes deformation between the door panel and the door frame, resulting in gaps, which affects the insulation structure, especially during polar surveys.

Method used

The locking assembly, which uses multiple insertion holes, rotating rods and sliding rods, forms a crank-connecting rod structure. The door panel and door frame are evenly stressed through multiple connection points, avoiding deformation and gaps.

Benefits of technology

This achieves uniform stress distribution between the door panel and the door frame, avoiding deformation and gaps, and improving sealing and insulation performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of vehicle engineering, and provides a cabin door structure and a vehicle. The door plate is movably connected with the door frame; the locking assembly is installed on the door plate and comprises a rotating disc, a plurality of rotating rods and a plurality of sliding rods, the rotating disc is rotationally connected with the door plate, the rotating axis is perpendicular to the door plate, the sliding rods are arranged around the axis of the rotating disc at intervals, the sliding rods are slidably connected with the door plate along a straight line, and the sliding rods are inserted into the first inserting holes in a one-to-one correspondence mode. The multiple rotating rods correspond to the multiple sliding rods one to one, one ends of the rotating rods are hinged to the peripheral edge of the rotating disc, and the other ends of the rotating rods are hinged to the sliding rods. Thus, a plurality of connecting points are formed between the door frame and the door plate, and when the door plate is subjected to acting force perpendicular to the door plate direction, the door plate is evenly stressed along the peripheral side and is not prone to deformation due to the connecting points, namely a gap is not prone to occurring between the door plate and the door frame.
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Description

Technical Field

[0001] This utility model relates to the field of vehicle engineering technology, and in particular to a door structure and a vehicle. Background Technology

[0002] Typically, terrain vehicles use a single locking point design for their hatches, meaning the hatch is locked to the cab deck by only one latch. This results in uneven stress on the hatch when subjected to forces perpendicular to it, causing even slight tilting or deformation, which can lead to gaps between the hatch and the cab deck. This is especially problematic when terrain vehicles are used for polar surveys, where the temperature difference between the interior and exterior is significant; these gaps directly compromise the interior insulation.

[0003] Therefore, there is an urgent need for a hatch structure and vehicle to solve the above-mentioned technical problems. Utility Model Content

[0004] The purpose of this utility model is to propose a door structure and vehicle that can solve the problem of gaps appearing between the door panel and the door frame due to deformation caused by a single connection point when the door panel is subjected to a force perpendicular to the door panel direction.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] The hatch structure includes:

[0007] The door frame has multiple first insertion holes on its periphery;

[0008] Door panel, which is movably connected to the door frame;

[0009] A locking assembly is installed on the door panel. The locking assembly includes a rotating disk, multiple rotating rods, and multiple sliding rods. The rotating disk is rotatably connected to the door panel, and the axis of rotation is perpendicular to the door panel. The multiple sliding rods are spaced apart around the axis of the rotating disk. The sliding rods are slidably connected to the door panel in a straight line. The multiple sliding rods are inserted into the multiple first insertion holes one by one. The multiple rotating rods correspond one by one with the multiple sliding rods. One end of the rotating rod is hinged to the peripheral edge of the rotating disk, and the other end of the rotating rod is hinged to the sliding rod.

[0010] As a preferred technical solution for the aforementioned door structure, the door panel is fixed with multiple guide sleeves, and the multiple guide sleeves are fitted one-to-one with the multiple sliding rods.

[0011] As a preferred technical solution of the above-mentioned door structure, the door frame is provided with a second insertion hole, and the circumference of the rotating disk is provided with a locking tongue, which can be inserted into the second insertion hole around the axis of the rotating disk.

[0012] As a preferred technical solution of the above-mentioned door structure, the door frame includes a door frame body and a plurality of pressure blocks. The pressure blocks are provided with the first insertion hole or the second insertion hole, and the plurality of pressure blocks are fixed to the door frame body.

[0013] As a preferred technical solution for the aforementioned door structure, the door panel and the door frame are rotatably connected by hinges.

[0014] As a preferred technical solution of the aforementioned door structure, a sealing assembly is provided between the door panel and the door frame. The sealing assembly includes two sealing strips. The peripheral edge of the door frame is stepped, including a first abutment surface and a second abutment surface. The door panel includes a main door panel and a frame. The frame is stepped, corresponding to the door frame. The frame includes a third abutment surface and a fourth abutment surface. The first abutment surface can abut against the third abutment surface, and the second abutment surface can abut against the fourth abutment surface. One sealing strip is fixed to the first abutment surface, and the other sealing strip is fixed to the fourth abutment surface.

[0015] As a preferred technical solution of the above-mentioned door structure, the sealing strip includes an installation part and an abutment part. The installation part is fixed to the abutment part. The installation part has a U-shaped groove and protruding teeth in the U-shaped groove. The installation part is sleeved on the edge of the frame or the edge of the door frame. The abutment part is a flexible member used to fill the gap between the door panel and the door frame.

[0016] A vehicle is also provided, characterized in that it includes a cab deck and the aforementioned door structure, wherein the door frame is fixed to the aforementioned cab deck.

[0017] As a preferred technical solution for the aforementioned vehicle, the door panel is equipped with a first observation window, which is movably connected to the door panel.

[0018] As a preferred technical solution for the aforementioned vehicle, the door panel is equipped with a second observation window, the second observation window is made of electrically heated glass, and the second observation window is circumferentially sealed to the door panel.

[0019] The beneficial effects of this utility model are:

[0020] This application provides a door structure, including a door frame, a door panel, and a locking assembly. The door frame has multiple first insertion holes on its periphery; the door panel is movably connected to the door frame; the locking assembly is installed on the door panel and includes a rotating disk, multiple rotating rods, and multiple sliding rods. The rotating disk is rotatably connected to the door panel, with its rotation axis perpendicular to the door panel. The multiple sliding rods are spaced apart around the axis of the rotating disk and are slidably connected to the door panel along a straight line. Each sliding rod is inserted into one of the multiple first insertion holes, and each rotating rod corresponds to one of the multiple sliding rods. One end of each rotating rod is hinged to the peripheral edge of the rotating disk, and the other end of each rotating rod is hinged to a sliding rod.

[0021] Thus, the rotating disk, rotating rod, and sliding rod form a crank-connecting rod structure. When the rotating disk is rotated, the rotating rod rotates relative to the rotating disk and also oscillates. The rotating rod then pulls the sliding rod to move in a straight line, allowing the sliding rod to extend or retract from the first insertion hole. Furthermore, by providing multiple first insertion holes, multiple rotating rods, and multiple sliding rods, multiple connection points are formed between the door frame and the door panel. When the door panel is subjected to a force perpendicular to the door panel direction, the multiple connection points ensure that the door panel is subjected to uniform force along its circumference, making it less prone to deformation, i.e., gaps are less likely to appear between the door panel and the door frame.

[0022] Furthermore, multiple rotating rods are hinged to a rotating disk. By rotating the rotating disk, the movement of multiple rotating rods and multiple sliding rods can be adjusted to achieve synchronous locking or unlocking actions. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this utility model and these drawings without creative effort.

[0024] Figure 1 This is a front view of the hatch structure provided in this embodiment of the utility model;

[0025] Figure 2 This is a rear view of the hatch structure provided in this embodiment of the utility model;

[0026] Figure 3 This is a structural schematic diagram of the locking assembly (locked state) provided in an embodiment of the present invention;

[0027] Figure 4 This is a schematic diagram of the locking assembly (unlocked state) provided in an embodiment of the present invention;

[0028] Figure 5This is an assembly diagram of the sealing strip provided in this embodiment of the utility model;

[0029] Figure 6 This is a schematic diagram of the sealing strip provided in an embodiment of the present invention.

[0030] In the picture:

[0031] 10. Door frame; 11. First insertion hole; 12. Second insertion hole; 13. Door frame body; 14. Pressing block; 15. First abutment surface; 16. Second abutment surface;

[0032] 20. Door panel; 21. Guide sleeve; 22. First observation window; 23. Second observation window; 24. Main door panel; 25. Frame; 251. Third abutment surface; 252. Fourth abutment surface;

[0033] 30. Locking assembly; 31. Rotary disc; 311. Locking tongue; 32. Rotating rod; 33. Sliding rod;

[0034] 40. Hinge;

[0035] 50. Sealing strip; 51. Mounting part; 52. Abutting part. Detailed Implementation

[0036] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, and not the entire structure.

[0037] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0038] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0039] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0040] like Figures 1 to 6 As shown, this application provides a door structure, including a door frame 10, a door panel 20, and a locking assembly 30. The door frame 10 has multiple first insertion holes 11 on its periphery; the door panel 20 is movably connected to the door frame 10; the locking assembly 30 is installed on the door panel 20 and includes a rotating disk 31, multiple rotating rods 32, and multiple sliding rods 33. The rotating disk 31 is rotatably connected to the door panel 20, with its rotation axis perpendicular to the door panel 20. The multiple sliding rods 33 are spaced apart around the axis of the rotating disk 31 and are slidably connected to the door panel 20 along a straight line. Each sliding rod 33 is inserted into one of the multiple first insertion holes 11. Each rotating rod 32 corresponds to one of the multiple sliding rods 33. One end of each rotating rod 32 is hinged to the peripheral edge of the rotating disk 31, and the other end of each rotating rod 32 is hinged to the sliding rod 33.

[0041] Thus, the rotating disk 31, the rotating rod 32, and the sliding rod 33 form a crank-connecting rod structure. When the rotating disk 31 is rotated, the rotating rod 32 rotates relative to the rotating disk 31, and the rotating rod 32 itself also oscillates. The rotating rod 32 then pulls the sliding rod 33 to move in a straight line, allowing the sliding rod 33 to extend or retract from the first insertion hole 11. Furthermore, by providing multiple first insertion holes 11, multiple rotating rods 32, and multiple sliding rods 33, multiple connection points are formed between the door frame 10 and the door panel 20. When the door panel 20 is subjected to a force perpendicular to the direction of the door panel 20, the multiple connection points ensure that the door panel 20 is subjected to uniform force along its circumference, making it less prone to deformation, i.e., gaps are less likely to appear between the door panel 20 and the door frame 10.

[0042] Furthermore, multiple rotating rods 32 are hinged to a rotating disk 31. By rotating the rotating disk 31, the movement of multiple rotating rods 32 and multiple sliding rods 33 can be adjusted to achieve synchronous locking or unlocking actions.

[0043] In this embodiment, the door frame 10 is provided with two first insertion holes 11, which are located on opposite sides in the first direction. The locking assembly 30 is provided with two rotating rods 32 and two sliding rods 33. The rotating disk 31 is located between the two first insertion holes 11. Rotating the rotating disk 31 can cause the two sliding rods 33 to move in opposite directions in the first direction and insert into the corresponding first insertion holes 11 to complete the locking.

[0044] Furthermore, the rotating disk 31 is fixed with a handle so as to rotate the rotating disk 31.

[0045] Optionally, the door panel 20 is fixed with multiple guide sleeves 21, and each guide sleeve 21 is fitted with a corresponding sliding rod 33. Specifically, the axis of the guide sleeve 21 is collinear with the axis of the first insertion hole 11, and the sliding rod 33 passes through the guide sleeve 21. In this way, the guide sleeve 21 can regulate the feeding direction of the sliding rod 33, so that the sliding rod 33 can be inserted into the first insertion hole 11 more accurately.

[0046] Optionally, the door frame 10 is provided with a second insertion hole 12, and the circumferential side of the rotating disk 31 is provided with a locking tongue 311, which can be inserted into the second insertion hole 12 around the axis of the rotating disk 31.

[0047] In this embodiment, the door frame 10 has a second insertion hole 12 on one side of the second direction. The first direction is perpendicular to the second direction. By rotating the rotating disk 31, the latch 311 can be inserted into the second insertion hole 12 along the circumference of the rotating disk 31. At the same time, the sliding rod 33 can be driven by the rotating rod 32 to be inserted into the first insertion hole 11 in a straight line, forming multiple connection points.

[0048] Furthermore, the rotating disk 31 has three positions relative to the door panel 20: a first position, a second position, and a third position. These positions are sequentially arranged clockwise around the axis of the rotating disk 31. When the rotating disk 31 is in the first position, all sliding rods 33 are located outside the first insertion hole 11, and the latch 311 is located outside the second insertion hole 12. Rotating the rotating disk 31 clockwise switches it from the first position to the second position. At this time, the sliding rods 33 are engaged with the first insertion hole 11, or the latch 311 is engaged with the second insertion hole 12. Further rotating the rotating disk 31 clockwise switches it from the second position to the third position. At this time, the sliding rods 33 are engaged with the first insertion hole 11, and the latch 311 is engaged with the second insertion hole 12. To unlock, the rotating disk 31 is rotated counterclockwise until it returns to the first position.

[0049] Furthermore, the locking assembly 30 only includes an unlocked state and a locked state. When it is in the unlocked state, all sliding rods 33 are located outside the first insertion hole 11, and the locking tongue 311 is located outside the second insertion hole 12. When it is in the locked state, the sliding rods 33 are inserted into the first insertion hole 11, and the locking tongue 311 is inserted into the second insertion hole 12.

[0050] Furthermore, the rotating disc 31 is connected to the door panel 20 via a torsion spring, which enables the locking assembly 30 to switch from an unlocked state to a locked state.

[0051] Optionally, the door frame 10 includes a door frame body 13 and multiple pressure blocks 14. Each pressure block 14 has a first insertion hole 11 or a second insertion hole 12, and the multiple pressure blocks 14 are fixed to the door frame body 13. This avoids directly creating the first insertion hole 11 or the second insertion hole 12 on the door frame body 13, ensuring the integrity of the door frame body 13 and maintaining its structural strength. Furthermore, with use, the gaps between the latch 311 and the second insertion hole 12, and between the sliding rod 33 and the first insertion hole 11, gradually increase, resulting in a larger gap between the door panel 20 and the door frame 10. In this embodiment, this can be addressed by replacing the pressure blocks 14.

[0052] Optionally, the door panel 20 and the door frame 10 are rotatably connected by a hinge 40. In this way, when the door panel 20 and the door frame 10 are closed, the relative positions of the latch 311 and the second insertion hole 12, and the sliding rod 33 and the first insertion hole 11 are kept constant.

[0053] In other embodiments, the door panel 20 and the door frame 10 are slidably connected by a winding device.

[0054] Optionally, a sealing assembly is provided between the door panel 20 and the door frame 10. The sealing assembly includes two sealing strips 50. The peripheral edge of the door frame 10 is stepped, including a first abutment surface 15 and a second abutment surface 16. The door panel 20 includes a main door panel 24 and a frame 25. The frame 25 is stepped, corresponding to the door frame 10. The frame 25 includes a third abutment surface 251 and a fourth abutment surface 252. The first abutment surface 15 can abut against the third abutment surface 251, and the second abutment surface 16 can abut against the fourth abutment surface 252. One sealing strip 50 is fixed to the first abutment surface 15, and the other sealing strip 50 is fixed to the fourth abutment surface 252. In this way, the sealing effect is enhanced by the two sealing strips 50, and the stepped connection between the door panel 20 and the door frame 10 also makes it difficult for airflow or liquid to enter.

[0055] Specifically, the sealing strip 50 includes an mounting part 51 and an abutting part 52. The mounting part 51 is fixed to the abutting part 52. The mounting part 51 has a U-shaped groove with protruding teeth inside the U-shaped groove. The mounting part 51 is fitted onto the edge of the frame 25 or the edge of the door frame 10. The abutting part 52 is a flexible part used to fill the gap between the door panel 20 and the door frame 10.

[0056] This application also provides a vehicle including a cab deck and a door structure, wherein a door frame 10 is fixed to the cab deck.

[0057] Furthermore, the vehicle's cab is equipped with a windshield. In low-temperature environments, when the vehicle is first started, there is a temperature difference between the interior and exterior, which can easily cause fogging on the windshield. Therefore, in this embodiment, a first observation window 22 is installed on the door panel 20, and the first observation window 22 is movably connected to the door panel 20. Opening the first observation window 22 allows for outdoor air circulation within the cab, thus defogging the windshield.

[0058] Optionally, the door panel 20 is equipped with a second observation window 23, which is made of electrically heated glass and is circumferentially sealed to the door panel 20. When the electrically heated glass is powered on, its surface temperature rises, preventing frost from forming on its surface.

[0059] It should be noted that electrically heated glass is an existing technology, and its specific structure and working principle will not be elaborated here.

[0060] Specifically, the main door panel 24 is made of 2.5mm thick 5-series aluminum plate, and the frame 25 is made of 6-series 6061-T6 high-strength structural aluminum profile truss structure, which improves the rigidity of the door panel 20 and reduces deformation.

[0061] Furthermore, the above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and may include many other equivalent embodiments without departing from the concept of the present invention, the scope of which is determined by the scope of the appended claims.

Claims

1. A hatch structure, characterized by, include: A door frame (10) is provided with a plurality of first insertion holes (11) on its periphery; Door panel (20), which is movably connected to the door frame (10); A locking assembly (30) is installed on the door panel (20). The locking assembly (30) includes a rotating disk (31), a plurality of rotating rods (32) and a plurality of sliding rods (33). The rotating disk (31) is rotatably connected to the door panel (20), and the rotation axis is perpendicular to the door panel (20). The plurality of sliding rods (33) are spaced apart around the axis of the rotating disk (31). The sliding rods (33) are slidably connected to the door panel (20) in a straight line. The plurality of sliding rods (33) are inserted into the plurality of first insertion holes (11) one by one. The plurality of rotating rods (32) correspond to the plurality of sliding rods (33) one by one. One end of the rotating rod (32) is hinged to the peripheral edge of the rotating disk (31), and the other end of the rotating rod (32) is hinged to the sliding rod (33).

2. The hatch door structure of claim 1, wherein, The door panel (20) is fixed with a plurality of guide sleeves (21), and the plurality of guide sleeves (21) are fitted one-to-one with the plurality of sliding rods (33).

3. The hatch door structure of claim 1, wherein, The door frame (10) is provided with a second insertion hole (12), and the rotating disk (31) is provided with a latch (311) protruding from its periphery. The latch (311) can be inserted into the second insertion hole (12) around the axis of the rotating disk (31).

4. The hatch door structure of claim 3, wherein, The door frame (10) includes a door frame body (13) and a plurality of pressure blocks (14). The pressure blocks (14) are provided with the first insertion hole (11) or the second insertion hole (12). The plurality of pressure blocks (14) are fixed to the door frame body (13).

5. The hatch door structure of claim 1, wherein, The door panel (20) and the door frame (10) are rotatably connected by a hinge (40).

6. The hatch door structure of claim 1, wherein A sealing assembly is provided between the door panel (20) and the door frame (10). The sealing assembly includes two sealing strips (50). The peripheral edge of the door frame (10) is stepped, including a first abutting surface (15) and a second abutting surface (16). The door panel (20) includes a main door panel (24) and a frame (25). The frame (25) is stepped, corresponding to the door frame (10). The frame (25) includes a third abutting surface (251) and a fourth abutting surface (252). The first abutting surface (15) can abut against the third abutting surface (251), and the second abutting surface (16) can abut against the fourth abutting surface (252). One sealing strip (50) is fixed to the first abutting surface (15), and the other sealing strip (50) is fixed to the fourth abutting surface (252).

7. The hatch door structure of claim 6, wherein, The sealing strip (50) includes an mounting part (51) and an abutting part (52). The mounting part (51) is fixed to the abutting part (52). The mounting part (51) has a U-shaped groove with protruding teeth inside. The mounting part (51) is fitted onto the edge of the frame (25) or the edge of the door frame (10). The abutting part (52) is a flexible part used to fill the gap between the door panel (20) and the door frame (10).

8. Vehicle, characterized in that Includes a cockpit deck and a door structure according to any one of claims 1-7, wherein the door frame (10) is fixed to the cockpit deck.

9. The vehicle of claim 8, wherein, The door panel (20) is equipped with a first observation window (22), which is movably connected to the door panel (20).

10. The vehicle of claim 9, wherein, The door panel (20) is equipped with a second observation window (23), which is made of electrically heated glass and is circumferentially sealed to the door panel (20).