Locking structure of tow hook cover plate and vehicle

Abstract

The utility model discloses a locking structure of a tow hook cover plate and a vehicle, and relates to the technical field of locking structures, the locking structure comprises a locking structure body which is used for being arranged on a mounting seat in a swinging mode along a rotating axis, the rotating axis extends along a first direction, and the locking structure body is arranged on the mounting seat along the first direction. An unlocking channel groove extending in the second direction is formed in the surface of one side of the locking structure body, the first direction and the second direction are perpendicular to the height direction of the locking structure, the locking block is arranged in the unlocking channel groove and fixed to the bottom wall of the unlocking channel groove, and the locking block is spaced from the inner side wall of the unlocking channel groove; a locking notch communicated with the unlocking channel groove is formed in the end, facing the first end of the locking structure body, of the locking block. Therefore, the adjusting shaft of the tow hook cover plate moves in and out of the locking notch through the unlocking channel groove, unlocking and locking of the adjusting shaft can be achieved, then opening and closing of the tow hook cover plate can be achieved, and the locking structure is simple in design, high in stability and reliability and convenient and fast to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to a locking structure technical field, especially a kind of locking structure of trailer hook cover plate and vehicle. BACKGROUND

[0002] In the related art, trailer hook is used to be towed by other vehicles for rescue when sudden failure occurs during vehicle driving and normal driving is impossible. To improve the appearance quality of vehicle, trailer hook cover plate is usually designed as a shielding piece of trailer hook, and the existing trailer hook cover plate is mostly press type, but the press type trailer hook cover plate needs to be provided with locking structure, and the existing locking structure is complex in design, has many parts, and is insufficient in stability, resulting in reduced stability and reliability of trailer hook cover plate. SUMMARY

[0003] The utility model aims at at least solving one of the technical problems existing in prior art. Therefore, one purpose of the utility model is to provide a locking structure of trailer hook cover plate, which can realize unlocking and locking of adjusting shaft, and further realize opening and closing of trailer hook cover plate, and the locking structure is simple in design, strong in stability and convenient and fast to use.

[0004] The utility model further provides a vehicle with the above locking structure.

[0005] According to the locking structure of trailer hook cover plate of the utility model, the locking structure body is used to be swingably arranged in mounting seat along rotation axis, rotation axis extends along first direction, and along first direction, one side surface of locking structure body is formed with unlocking channel groove extending along second direction, first direction, second direction and height direction of locking structure are perpendicular;Lock block is arranged in unlocking channel groove and fixed with bottom wall of unlocking channel groove, lock block is spaced apart from inner side wall of unlocking channel groove, and along second direction, end part of first end of locking structure body of lock block is formed with locking notch communicated with unlocking channel groove.

[0006] According to the locking structure of the trailer hook cover plate, the unlocking channel groove extending along the second direction is formed on one side surface of the locking structure body, the end portion of the locking block facing the first end of the locking structure body is formed with the locking notch in communication with the unlocking channel groove, the adjusting shaft is located in the locking notch, the adjusting shaft is locked with the locking structure, when the adjusting shaft is located in the locking notch, and the adjusting shaft moves from the locking notch into the unlocking channel groove and moves out of the unlocking channel groove along the extension direction of the unlocking channel groove, the unlocking of the adjusting shaft is realized, when the adjusting shaft is located outside the unlocking channel groove, and the adjusting shaft moves into the unlocking channel groove and moves into the locking notch along the extension direction of the unlocking channel groove, the locking of the adjusting shaft is realized, the unlocking and locking of the adjusting shaft can be realized, and then the opening and closing of the trailer hook cover plate can be realized, the locking structure is simple in design, the unlocking channel groove, the locking block and other components are integrated on the locking structure body, the number of parts of the locking structure is small, the installation complexity is low, the complex unlocking and locking steps are not needed, and the cooperation between the locking structure and the adjusting shaft is stable and good in durability, and then the stability and reliability of the trailer hook cover plate can be improved.

[0007] According to some embodiments of the utility model, the end portion of the unlocking channel groove facing the second end of the locking structure body along the second direction is formed with an open end.

[0008] According to some embodiments of the utility model, the unlocking channel groove comprises a first channel groove and a second channel groove, the first channel groove and the second channel groove are arranged along the height direction of the locking structure and extend along the second direction, and the locking block is located between the first channel groove and the second channel groove.

[0009] According to some embodiments of the utility model, the unlocking channel groove further comprises a communication groove, the inner side wall of the unlocking channel groove along the second direction has an end side wall, the end side wall is spaced apart from the locking block, the communication groove is located between the end side wall and the locking block, the communication groove communicates the locking notch and the first channel groove, and the communication groove communicates the locking notch and the second channel groove.

[0010] According to some embodiments of the utility model, the communication groove comprises a first communication groove section and a second communication groove section, the first communication groove section is located between the first channel groove and the second communication groove section, the second communication groove section is located between the second channel groove and the first communication groove section, the first communication groove section communicates the first channel groove and the locking notch, and the second communication groove section communicates the second channel groove and the locking notch.

[0011] According to some embodiments of the utility model, along the second direction, the locking block is located between the two end portions of the first channel groove, along the height direction of the locking structure, the first communication groove section extends from the first channel groove to the locking notch in an inclined manner, along the second direction, the locking block is located between the two end portions of the second channel groove, and along the height direction of the locking structure, the second communication groove section extends from the second channel groove to the locking notch in an inclined manner.

[0012] According to some embodiments of the utility model, along the height direction of the locking structure, the inner side wall of the first channel groove away from the second channel groove is formed with a first arc-shaped wall, the first arc-shaped wall is recessed in the direction away from the second channel groove, and the first arc-shaped wall is adjacent to the first communication groove segment.

[0013] Along the height direction of the locking structure, the inner side wall of the second channel groove away from the first channel groove is formed with a second arc-shaped wall, the second arc-shaped wall is recessed in the direction away from the first channel groove, and the second arc-shaped wall is adjacent to the second communication groove segment.

[0014] According to some embodiments of the utility model, along the first direction, the other side surface of the locking structure body is formed with a rotating shaft, and the central axis of the rotating shaft is configured as a rotating axis.

[0015] According to some embodiments of the utility model, along the first direction, the other side surface of the locking structure body is formed with a rotating limiting structure.

[0016] The vehicle according to the embodiments of the utility model comprises the locking structure of the above embodiments.

[0017] The additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be known through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0018] The above and / or additional aspects and advantages of the utility model will become apparent and more readily understood from the following description, taken in conjunction with the accompanying drawings, in which:

[0019] Figure 1 is an assembly schematic view of the locking structure, the adjusting shaft and the mounting seat of the embodiments of the utility model;

[0020] Figure 2 is Figure 1 another view of

[0021] Figure 3 is Figure 1 another view of

[0022] Figure 4 is a structural schematic view of the locking structure of the embodiments of the utility model;

[0023] Figure 5 is Figure 4 another view of

[0024] Figure 6 is a front view of the trailer hook cover plate in the closed position according to the embodiments of the utility model;

[0025] Figure 7 is a front view of the trailer hook cover plate in the open position according to the embodiments of the utility model;

[0026] Figure 8 is the side view of the trailer hook cover plate in the open position of the embodiment of the utility model;

[0027] Figure 9 is the rear view of the trailer hook cover plate device of the embodiment of the utility model;

[0028] Figure 10 is the assembly schematic view of the damping support, the trailer hook cover plate, the adjusting shaft and the driving mechanism of the embodiment of the utility model;

[0029] Figure 11 is the top view of the trailer hook cover plate device of the embodiment of the utility model.

[0030] Reference signs:

[0031] Locking structure 50, unlocking channel groove 51, open end 510, first channel groove 511, second channel groove 512, communication groove 513, end side wall 514, first communication groove section 515, second communication groove section 516, first arc-shaped wall 517, second arc-shaped wall 518;

[0032] Lock block 52, locking notch 53, rotating shaft 54;

[0033] Rotation limiting structure 55, first limiting structure 551, second limiting structure 552;

[0034] Locking structure body 60, first end 61, second end 62;

[0035] Mounting seat 10, mounting hole 13, limiting hole 14, adjusting shaft 40;

[0036] Trailer hook cover plate device 100;

[0037] Mounting seat 10, rack 11, guide hole 12;

[0038] Trailer hook cover plate 20;

[0039] Rotation structure 30, torsional spring 31, mounting shaft 32, shaft sleeve 33, limiting part 34;

[0040] Driving mechanism 60, hook 61, hooking notch 62;

[0041] Damping support 70, damping structure 71, rotating gear 72;

[0042] Bumper 200, through hole 201;

[0043] First wall part 1, second wall part 2, third wall part 3, seat bottom wall 4, second through hole 41, containing space 5, strip-shaped hole 6, connecting part 7, first through hole 8, mounting support 9;

[0044] Slider 101; sliding groove 102; first pressing place 103; second pressing place 104. DETAILED DESCRIPTION

[0045] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for explanation of the present application, and cannot be understood as a limitation of the present application.

[0046] Reference is made below Figures 1-11 The locking structure 50 of the trailer hook cover plate 20 and the vehicle according to the present application are described below, the vehicle includes a trailer hook cover plate device 100, the trailer hook cover plate device 100 includes the trailer hook cover plate 20, the adjusting shaft 40 and the locking structure 50, the trailer hook cover plate 20 can be fixed with the adjusting shaft 40, the adjusting shaft 40 is matched with the locking structure 50 and assembled, and the trailer hook cover plate 20 can be a push type trailer hook cover plate 20, the trailer hook cover plate 20 can have a first pressing place 103 and a second pressing place 104, the adjusting shaft 40 can be unlocked with the locking structure 50 by pressing the first pressing place 103, the adjusting shaft 40 can be locked with the locking structure 50 by pressing the second pressing place 104, and then the opening and closing of the trailer hook cover plate 20 are realized.

[0047] The locking structure 50 of the trailer hook cover plate 20 according to the present application includes: a locking structure body 60, the locking structure body 60 is used for being swingably arranged on the mounting seat 10 along the rotation axis, the rotation axis extends along the first direction, along the first direction, one side surface of the locking structure body 60 is formed with an unlocking channel groove 51 extending along the second direction, the first direction, the second direction and the height direction of the locking structure 50 are perpendicular; a lock block 52, the lock block 52 is arranged in the unlocking channel groove 51 and fixed with the bottom wall of the unlocking channel groove 51, the lock block 52 is spaced apart from the inner side wall of the unlocking channel groove 51, along the second direction, the end of the lock block 52 facing the first end 61 of the locking structure body 60 is formed with a locking notch 53 communicating with the unlocking channel groove 51.

[0048] Wherein, the first direction is Y direction in the above-mentioned Figure 3 , the second direction is X direction in the above-mentioned Figure 3 , when the trailer hook cover plate 20 is installed on the vehicle, the first direction corresponds to the width direction of the vehicle, the second direction corresponds to the length direction of the vehicle, the height direction of the locking structure 50 corresponds to the height direction of the vehicle, the first direction, the second direction and the height direction of the locking structure 50 are perpendicular.

[0049] The locking structure body 60 is arranged on the mounting seat 10 along the rotation axis and is swingable, for example, the locking structure body 60 and the mounting seat 10 are connected through a pin shaft, or the locking structure body 60 and the mounting seat 10 are connected through a clamping connection, but the utility model is not limited to this, the locking structure body 60 and the mounting seat 10 can also be connected through other modes, as long as the locking structure body 60 is arranged on the mounting seat 10 along the rotation axis and is swingable. The rotation axis extends along the first direction, and along the first direction, one side surface of the locking structure body 60 is formed with an unlocking channel groove 51 extending along the second direction. Specifically, the trailer hook cover plate 20 has an adjusting shaft 40, the adjusting shaft 40 is matched and assembled with the locking structure 50, one side surface of the locking structure body 60 facing the adjusting shaft 40 is formed with the unlocking channel groove 51 extending along the second direction, the locking block 52 is arranged in the unlocking channel groove 51 and is fixed with the bottom wall of the unlocking channel groove 51, for example, the locking block 52 and the bottom wall of the unlocking channel groove 51 can be integrally formed, the locking block 52 and the bottom wall of the unlocking channel groove 51 can be fixedly connected through welding, but the utility model is not limited to this, the locking block 52 and the bottom wall of the unlocking channel groove 51 can also be fixedly connected through other modes, as long as the locking block 52 and the bottom wall of the unlocking channel groove 51 are fixed.

[0050] Along the height direction of the locking structure 50, the lock block 52 can be arranged at the middle position of the unlocking passage slot 51, so that the lock block 52 is spaced apart from the inner side wall of the unlocking passage slot 51. Along the second direction, the end of the lock block 52 facing the first end 61 of the locking structure body 60 is formed with a locking notch 53 communicating with the unlocking passage slot 51, so that the adjusting shaft 40 can be moved from the locking notch 53 into the unlocking passage slot 51, and the adjusting shaft 40 can also be moved from the unlocking passage slot 51 into the locking notch 53. The first end 61 of the locking structure body 60 refers to the outer end of the locking structure body 60 when the locking structure 50 is installed on the vehicle. Specifically, when the trailer hitch cover plate 20 is in the closed state, the adjusting shaft 40 is fitted in the locking notch 53, and when the trailer hitch cover plate 20 is pressed to be unlocked, the adjusting shaft 40 can be moved from the locking notch 53 into the unlocking passage slot 51, so that the trailer hitch cover plate 20 is unlocked with the locking structure 50, and then the trailer hitch cover plate 20 can be opened. When the trailer hitch cover plate 20 is in the open state, the adjusting shaft 40 is located outside the unlocking passage slot 51, and when the trailer hitch cover plate 20 is pressed to be locked, the adjusting shaft 40 can be moved into the unlocking passage slot 51 and along the unlocking passage slot 51 into the locking notch 53, so that the trailer hitch cover plate 20 can be closed. The unlocking and locking between the locking structure 50 and the trailer hitch cover plate 20 are simple and convenient, the locking structure 50 is simple in design, the unlocking passage slot 51, the lock block 52 and other components are integrated on the main body of the locking structure 50, so that the number of components of the locking structure 50 is small, the installation complexity is low, and there is no need for complex unlocking and locking steps. The cooperation between the locking structure 50 and the adjusting shaft 40 is stable and has good durability, so as to improve the stability and reliability of the trailer hitch cover plate 20.

[0051] It can be explained that the shape of the locking notch 53 can be adapted to the shape of the adjusting shaft 40, so that the locking notch 53 can limit the adjusting shaft 40 in the locking notch 53, and then the locking of the adjusting shaft 40 can be smoothly realized.

[0052] According to the locking structure 50 of the trailer hook cover plate 20, the unlocking channel groove 51 extending along the second direction is formed on one side surface of the locking structure body 60, the locking block 52 is formed with the locking notch 53 communicated with the unlocking channel groove 51 at the end of the first end 61 of the locking structure body 60, the adjusting shaft 40 is located in the locking notch 53, the adjusting shaft 40 is locked with the locking structure 50, when the adjusting shaft 40 is located in the locking notch 53, and the adjusting shaft 40 moves from the locking notch 53 into the unlocking channel groove 51 and moves out of the unlocking channel groove 51 along the extension direction of the unlocking channel groove 51, the unlocking of the adjusting shaft 40 is realized, when the adjusting shaft 40 is located outside the unlocking channel groove 51, and the adjusting shaft 40 moves into the unlocking channel groove 51 and moves into the locking notch 53 along the extension direction of the unlocking channel groove 51, the locking of the adjusting shaft 40 is realized, the unlocking and locking of the adjusting shaft 40 can be realized, and then the opening and closing of the trailer hook cover plate 20 can be realized, and the locking structure 50 is simple in design, the components such as the unlocking channel groove 51 and the locking block 52 are integrated on the main body of the locking structure 50, so that the number of components of the locking structure 50 is small, the installation complexity is low, the complex unlocking and locking steps are not needed, and the cooperation between the locking structure 50 and the adjusting shaft 40 is stable and good in durability, and then the stability and reliability of the trailer hook cover plate 20 can be improved.

[0053] According to some embodiments of the utility model, as shown in Figure 4 The unlocking channel groove 51 can be formed with the open end 510 facing the second end 62 of the locking structure body 60 along the second direction, the second end 62 of the locking structure body 60 refers to the inner end of the locking structure body 60 when the locking structure 50 is installed on the vehicle. When the trailer hook cover plate 20 is located at the closed position and needs to be opened, the first pressing position 103 of the trailer hook cover plate 20 is pressed to make the adjusting shaft 40 move along the unlocking channel groove 51 to move out of the unlocking channel groove 51 through the open end 510, so that the unlocking of the adjusting shaft 40 is realized, which not only ensures that the adjusting shaft 40 moves more smoothly, but also reduces the risk of damage of the adjusting shaft 40 in the moving process, and then ensures that the trailer hook cover plate 20 can be opened smoothly. When the trailer hook cover plate 20 is located at the open position and needs to be closed, the second pressing position 104 of the trailer hook cover plate 20 is pressed to make the adjusting shaft 40 move into the unlocking channel groove 51 through the open end 510 and move into the locking notch 53 along the unlocking channel groove 51, so that the locking of the adjusting shaft 40 and the locking structure 50 is realized, so that the trailer hook cover plate 20 can be stably closed and locked in the locking notch 53. Moreover, the length of the unlocking channel groove 51 can be shortened in this way, so as to reduce the manufacturing material of the locking structure 50, thereby reducing the manufacturing cost of the locking structure 50, and improving the economy of the vehicle.

[0054] Further, along the open end 510 towards the lock block 52 direction, the cross-sectional area of the open end 510 gradually decreases, when the adjusting shaft 40 moves into the open end 510 towards the unlocking channel groove 51, the cross-sectional area of the open end 510 gradually decreases, which can guide the adjusting shaft 40, so that the adjusting shaft 40 can accurately and along the open end 510 move into the unlocking channel groove 51 and move into the locking notch 53, so as to further ensure that the trailer hook cover plate 20 is stably closed and locked in the locking notch 53.

[0055] According to some embodiments of the utility model, as shown in Figure 4 The unlocking channel groove 51 includes a first channel groove 511 and a second channel groove 512, the first channel groove 511 and the second channel groove 512 are arranged along the height direction of the locking structure 50 and both extend along the second direction, and the lock block 52 is located between the first channel groove 511 and the second channel groove 512.

[0056] The unlocking channel groove 51 can include a first channel groove 511 and a second channel groove 512, the first channel groove 511 and the second channel groove 512 are arranged along the height direction of the locking structure 50 and both extend along the second direction, along the height direction of the locking structure 50, the lock block 52 can be located between the first channel groove 511 and the second channel groove 512, and the first channel groove 511 can be located above the second channel groove 512. When the trailer hook cover plate 20 is in the closed state, the adjusting shaft 40 is fitted in the locking notch 53, and when the trailer hook cover plate 20 is pressed to be unlocked, the adjusting shaft 40 can move from the locking notch 53 into the first channel groove 511, the adjusting shaft 40 moves along the first channel groove 511 to move out of the unlocking channel groove 51 through the open end 510, thereby being able to open the trailer hook cover plate 20, when the trailer hook cover plate 20 is in the open state, the adjusting shaft 40 is located outside the unlocking channel groove 51, and when the trailer hook cover plate 20 is pressed to be locked, the adjusting shaft 40 can move into the second channel groove 512 through the open end 510 and move into the locking notch 53 along the second channel groove 512, thereby being able to close the trailer hook cover plate 20. In this way, the unlocking and locking processes of the adjusting shaft 40 can be separated, so that the unlocking and locking processes are more flexible and smooth, and the accuracy and reliability of the unlocking and locking actions can be ensured, which helps to reduce the possibility of misoperation or failure, and improves the use safety and reliability of the locking structure 50.

[0057] According to some embodiments of the utility model, as shown in Figure 4 The unlocking channel groove 51 can further include a communication groove 513, the inner side wall of the unlocking channel groove 51 along the second direction has an end side wall 514, the end side wall 514 is spaced apart from the lock block 52, the communication groove 513 is located between the end side wall 514 and the lock block 52, the communication groove 513 communicates the locking notch 53 and the first channel groove 511, and the communication groove 513 communicates the locking notch 53 and the second channel groove 512.

[0058] The unlocking channel groove 51 can further comprise a communication groove 513. Figure 4 In the second direction, the inner side wall of the unlocking channel groove 51 has an end side wall 514 which is spaced apart from the end of the locking block 52 which is formed with the locking gap 53, so that the adjusting shaft 40 can be moved into or out of the locking gap 53, and the communication groove 513 is located between the end side wall 514 and the locking block 52 and extends in the height direction of the locking structure 50, and the communication groove 513 communicates the locking gap 53 and the first channel groove 511, and the communication groove 513 communicates the locking gap 53 and the second channel groove 512, so that the adjusting shaft 40 can be moved from the locking gap 53, the communication groove 513 into the first channel groove 511, and also so that the adjusting shaft 40 can be moved from the second channel groove 512, the communication groove 513 into the locking gap 53. The provision of the communication groove 513 can ensure smooth movement of the adjusting shaft 40 between the locking gap 53, the first channel groove 511 and the second channel groove 512, thereby ensuring smooth opening and closing of the trailer hook cover plate 20, and facilitating improvement of the stability and reliability of the trailer hook cover plate 20.

[0059] According to some embodiments of the present application, as shown in Figure 4 The communication groove 513 comprises a first communication groove section 515 and a second communication groove section 516, the first communication groove section 515 is located between the first channel groove 511 and the second communication groove section 516, the second communication groove section 516 is located between the second channel groove 512 and the first communication groove section 515, the first communication groove section 515 communicates the first channel groove 511 and the locking gap 53, and the second communication groove section 516 communicates the second channel groove 512 and the locking gap 53, and the first channel groove 511, the first communication groove section 515, the locking gap 53, the second communication groove section 516 and the second channel groove 512 are sequentially continuous and communicated, so that the adjusting shaft 40 can be moved from the locking gap 53, the first communication groove section 515 into the first channel groove 511, and also so that the adjusting shaft 40 can be moved from the second channel groove 512, the second communication groove section 516 into the locking gap 53. In this way, better stability can be provided during locking and unlocking, accidental unlocking caused by external forces can be reduced, the first channel groove 511, the first communication groove section 515, the locking gap 53, the second communication groove section 516 and the second channel groove 512 can be formed by one-time machining during the manufacturing process, the manufacturing process is simplified, the manufacturing cost of the locking structure 50 can be reduced, the movement path of the adjusting shaft 40 is clear and continuous, the maintenance difficulty and cost of the locking structure 50 can be reduced, and thus the reliability and practicality of the locking structure 50 are further improved.

[0060] According to some embodiments of the present application, as shown in Figure 4As shown, along the second direction, the locking block 52 is located between the two ends of the first channel groove 511. Along the height direction of the locking structure 50, the first connecting groove segment 515 extends obliquely from the first channel groove 511 toward the locking notch 53. Along the second direction, the locking block 52 is located between the two ends of the second channel groove 512. Along the height direction of the locking structure 50, the second connecting groove segment 516 extends obliquely from the second channel groove 512 toward the locking notch 53.

[0061] The locking block 52 is located on the side of the first channel groove 511 facing the first end 61, away from the first end 61. This allows the adjusting shaft 40 to be stably held within the locking notch 53. Along the height direction of the locking structure 50, the first connecting groove segment 515 extends obliquely from the first channel groove 511 toward the locking notch 53. The oblique first connecting groove segment 515 guides the adjusting shaft 40 to smoothly move out of the locking notch 53 along the path of the oblique extension of the first connecting groove segment 515 toward the locking notch 53. This reduces friction and resistance of the adjusting shaft 40 during movement, making the unlocking operation smoother and easier, thereby improving the unlocking efficiency of the locking structure 50. When the adjusting shaft 40 is located within the locking notch 53 and unlocking is not required, the oblique first connecting groove segment 515 can also provide a certain locking force, making the locking of the adjusting shaft 40 more stable. In addition, the inclined first connecting groove segment 515 design makes the locking structure 50 more compact in the height direction, reducing the space occupied by the overall structure. Furthermore, the inclined first connecting groove segment 515 can be realized through a simple processing procedure, thereby reducing the manufacturing cost and time of the locking structure 50.

[0062] like Figure 4 As shown, along the second direction, the locking block 52 is located between the two ends of the second channel groove 512, and along the height direction of the locking structure 50, the second connecting groove segment 516 extends obliquely from the second channel groove 512 toward the locking notch 53.

[0063] The locking block 52 is located at the end of the second channel groove 512 facing the first end 61, away from the first end 61, so that the adjusting shaft 40 can be stably retained in the locking gap 53. In the height direction of the locking structure 50, the second communication groove section 516 extends obliquely from the second channel groove 512 to the locking gap 53. The oblique second communication groove section 516 can guide the adjusting shaft 40 to smoothly move into the locking gap 53 along the oblique path of the second communication groove section 516, thereby reducing the friction and resistance of the adjusting shaft 40 during movement, making the locking operation smoother and easier, and thereby improving the locking efficiency of the locking structure 50. The oblique second communication groove section 516 makes the locking structure 50 more compact in the height direction, reduces the occupied space of the overall structure, and the oblique second communication groove section 516 can be realized by a simple machining process, thereby reducing the manufacturing cost and time of the locking structure 50.

[0064] According to some embodiments of the present application, as shown in Figure 4 In the height direction of the locking structure 50, the inner side wall of the first channel groove 511 away from the second channel groove 512 is formed with a first arc-shaped wall 517, the first arc-shaped wall 517 is recessed away from the second channel groove 512, and the first arc-shaped wall 517 is adjacent to the first communication groove section 515; and / or,

[0065] In the height direction of the locking structure 50, the inner side wall of the second channel groove 512 away from the first channel groove 511 is formed with a second arc-shaped wall 518, the second arc-shaped wall 518 is recessed away from the first channel groove 511, and the second arc-shaped wall 518 is adjacent to the second communication groove section 516.

[0066] In the height direction of the locking structure 50, the inner side wall of the first channel groove 511 away from the second channel groove 512 is formed with a first arc-shaped wall 517, the first arc-shaped wall 517 is recessed away from the second channel groove 512, and the first arc-shaped wall 517 is adjacent to the first communication groove section 515.

[0067] In the height direction of the locking structure 50, the inner side wall of the second channel groove 512 away from the first channel groove 511 is formed with a second arc-shaped wall 518, the second arc-shaped wall 518 is recessed away from the first channel groove 511, and the second arc-shaped wall 518 is adjacent to the second communication groove section 516.

[0068] As a third embodiment of the present application, along the height direction of the locking structure 50, the inner side wall of the first channel groove 511 away from the second channel groove 512 is formed with a first arc-shaped wall 517, the first arc-shaped wall 517 is recessed towards the direction away from the second channel groove 512, the first arc-shaped wall 517 is adjacent to the first communication groove segment 515, and along the height direction of the locking structure 50, the inner side wall of the second channel groove 512 away from the first channel groove 511 is formed with a second arc-shaped wall 518, the second arc-shaped wall 518 is recessed towards the direction away from the first channel groove 511, and the second arc-shaped wall 518 is adjacent to the second communication groove segment 516.

[0069] As a third embodiment of the present application, along the height direction of the locking structure 50, the inner side wall of the first channel groove 511 away from the second channel groove 512 is formed with a first arc-shaped wall 517, the first arc-shaped wall 517 is recessed towards the direction away from the second channel groove 512, the first arc-shaped wall 517 is adjacent to the first communication groove segment 515, and along the height direction of the locking structure 50, the inner side wall of the second channel groove 512 away from the first channel groove 511 is formed with a second arc-shaped wall 518, the second arc-shaped wall 518 is recessed towards the direction away from the first channel groove 511, and the second arc-shaped wall 518 is adjacent to the second communication groove segment 516.

[0070] And along the height direction of the locking structure 50, the second channel groove 512 is formed with a second arc-shaped wall 518 away from the inner side wall of the first channel groove 511, the second arc-shaped wall 518 is recessed towards the direction away from the first channel groove 511, a smooth moving path is provided, the second arc-shaped wall 518 is adjacent to the second communication groove segment 516, the adjusting shaft 40 can naturally and smoothly move into the second communication groove segment 516 along the second arc-shaped wall 518 of the second channel groove 512 and move into the locking gap 53, the locking of the adjusting shaft 40 is realized, and then the closing of the trailer hook cover plate 20 is realized, the friction and resistance caused by the corner turning are avoided, the smooth moving path formed by the second arc-shaped wall 518 can reduce the friction between the adjusting shaft 40 and the inner side wall of the second channel groove 512, thereby reducing the wear of the adjusting shaft 40 and the inner side wall of the second channel groove 512, which is beneficial to prolong the service life of the locking structure 50, and then the service life of the trailer hook cover plate 20 can be effectively prolonged. And the setting of the second arc-shaped wall 518 can keep the adjusting shaft 40 in a stable posture during movement, so that the locking process is more stable and reliable.

[0071] According to some embodiments of the utility model, as shown in Figure 3 and Figure 5 As shown, along the first direction, the other side surface of the locking structure body 60 is formed with a rotating shaft 54, and the central axis of the rotating shaft 54 is configured as a rotating axis.

[0072] Among them, along the first direction, the other side surface of the locking structure body 60 is formed with a rotating shaft 54, and the central axis of the rotating shaft 54 is configured as a rotating axis, the mounting seat 10 is provided with a mounting hole 13 corresponding to the rotating shaft 54, the rotating shaft 54 is arranged in the mounting hole 13, and the locking structure 50 can rotate along the rotating axis through the rotating shaft 54, and along the first direction, the other side surface of the locking structure body 60 can also be formed with a sliding block 101, and the mounting seat 10 is provided with a sliding groove 102 corresponding to the sliding block 101, when the locking structure 50 rotates along the rotating axis through the rotating shaft 54, the sliding block 101 can swing along the extension direction of the sliding groove 102. Specifically, when the adjusting shaft 40 moves in the unlocking channel groove 51, the adjusting shaft 40 contacts and abuts against the inner side wall of the unlocking channel groove 51, which drives the rotating shaft 54 to rotate, and the sliding block 101 swings in the sliding groove 102, so that the adjusting shaft 40 smoothly moves in the unlocking channel groove 51. And the end wall of the sliding groove 102 can also limit the sliding block 101, so as to avoid that the swing amplitude of the sliding block 101 is too large to affect the moving path of the adjusting shaft 40 in the unlocking channel groove 51, thereby improving the unlocking and locking reliability of the locking structure 50.

[0073] When the adjusting shaft 40 moves in the unlocking channel groove 51, since the adjusting shaft 40 is in contact with the inner side wall of the unlocking channel groove 51 and moves along the unlocking channel groove 51, a pressure can be generated on the locking structure 50 to make the rotating shaft 54 of the locking structure 50 rotate along the rotating axis, and the sliding block 101 swings in the sliding groove 102, so that the locking structure 50 can avoid the adjusting shaft 40, so that the adjusting shaft 40 moves smoothly in the unlocking channel groove 51, to avoid the locking structure 50 from hindering the movement of the adjusting shaft 40, and the adjusting shaft 40 can be smoothly unlocked or locked, and then the trailer hook cover plate 20 can be smoothly opened or closed.

[0074] According to some embodiments of the present application, as shown in Figure 2 、 Figure 3 and Figure 5 , another side surface of the locking structure body 60 is formed with a rotating limiting structure 55 in the first direction.

[0075] As shown in Figure 4 , the rotating limiting structure 55 can include a first limiting structure 551, a second limiting structure 552 and a sliding block 101, the first limiting structure 551 can be multiple, and the present application takes two first limiting structures 551 as an example for description, the two first limiting structures 551 are respectively arranged close to the side wall of the second end 62 of the locking structure 50, and along the height direction of the locking structure 50, the two first limiting structures 551 are respectively located on both sides of the rotating shaft 54, and the mounting seat 10 can be provided with a limiting hole 14 corresponding to the first limiting structure 551, the first limiting structure 551 is assembled with the limiting hole 14 in a matched mode, and the first limiting structure 551 is arranged in the limiting hole 14 and clamped in the limiting hole 14. After the rotating shaft 54 is arranged in the mounting hole 13, and the first limiting structure 551 is arranged in the limiting hole 14 and clamped in the limiting hole 14, the rotating shaft 54 can be limited in the mounting hole 13, so as to avoid the rotating shaft 54 from falling off the mounting hole 13, and the limiting hole 14 is arranged in an arc-shaped limiting hole 14 along the circumferential direction of the mounting hole 13, so that the rotating shaft 54 can rotate along the rotating axis, and then the locking structure 50 can avoid the adjusting shaft 40, so that the adjusting shaft 40 moves smoothly in the unlocking channel groove 51, to avoid the locking structure 50 from hindering the movement of the adjusting shaft 40, and the adjusting shaft 40 can be smoothly unlocked or locked, and then the trailer hook cover plate 20 can be smoothly opened or closed.

[0076] It can be explained that the central angle of the arc-shaped limiting hole 14 can be reasonably designed according to the degree of avoidance of the locking structure 50, as long as the normal work of the locking structure 50 can be met.

[0077] The second limiting structure 552 can be multiple, and two second limiting structures 552 are taken as an example for description in the application. Along the second direction, the two second limiting structures 552 are arranged on the end wall of the first end 61 of the locking structure 50. Along the height direction of the locking structure 50, the two second limiting structures 552 are respectively located on the two sides of the sliding block 101. Along the first direction, the second limiting structure 552 is opposite to and spaced apart from the sliding block 101. When the locking structure 50 is assembled with the mounting seat 10, the end of the sliding block 101 close to the first end 61 is mounted in the sliding groove 102, and the wall surface where the sliding groove 102 is located is clamped between the sliding block 101 and the second limiting structure 552, so that the locking structure 50 can be prevented from moving in the first direction, and the movement of the adjusting shaft 40 is prevented from being affected by the movement of the locking structure 50, thereby the stability and reliability of the movement of the adjusting shaft 40 can be improved, and the stability and reliability of the trailer hook cover plate 20 can be improved.

[0078] According to some embodiments of the utility model, as shown in Figure 8 The trailer hook cover plate device 100 comprises: a rotating structure 30, the rotating structure 30 is connected with the trailer hook cover plate 20, the rotating structure 30 is rotatably arranged on the mounting seat 10 along a first rotation axis, so that the trailer hook cover plate 20 is rotated to an open position and a closed position, the first rotation axis extends along a first direction, the first direction and the height direction of the trailer hook cover plate device 100 are perpendicular to each other, the locking structure 50 is arranged on the mounting seat 10, the locking structure 50 and the trailer hook cover plate 20 are arranged along the first direction, when the trailer hook cover plate 20 is in the closed position, the trailer hook cover plate 20 is locked with the locking structure 50, when the trailer hook cover plate 20 is opened, the trailer hook cover plate 20 is pressed to unlock the trailer hook cover plate 20 and the locking structure 50, and the rotating structure 30 rotates around the first rotation axis to drive the trailer hook cover plate 20 to rotate to the open position, and at least part of the trailer hook cover plate 20 is hidden in the mounting seat 10.

[0079] Wherein, as shown in Figure 8 And Figure 9As shown, the first direction can be Y direction, the second direction can be X direction, and the third direction is A direction. When the trailer hook cover plate device 100 is installed on the vehicle, the first direction corresponds to the width direction of the vehicle, the second direction corresponds to the length direction of the vehicle, and the height direction of the trailer hook cover plate device 100 corresponds to the height direction of the vehicle. The first rotation axis extends along the first direction, and the first direction and the height direction of the trailer hook cover plate device 100 are perpendicular to each other. The mounting seat 10 can be fixedly connected to the vehicle by welding. As an example, the mounting seat 10 is connected to the bumper 200 of the vehicle by welding, and the mounting seat 10 is movably connected to the trailer hook cover plate 20 through the rotating structure 30, so that the mounting seat 10 installs the trailer hook cover plate 20 on the vehicle. The trailer hook cover plate 20 can shield the trailer hook to prevent dust and debris from entering the vehicle, and at the same time, the trailer hook cover plate 20 can provide good appearance quality.

[0080] The rotating structure 30 is connected to the trailer hook cover plate 20, for example, the rotating structure 30 and the trailer hook cover plate 20 can be connected through a fixed block, or the rotating structure 30 and the trailer hook cover plate 20 can be connected through a rotating shaft, but the utility model is not limited thereto. The rotating structure 30 and the trailer hook cover plate 20 can also be connected in other ways, as long as the rotating structure 30 is connected to the trailer hook cover plate 20. The rotating structure 30 is rotatably arranged on the mounting seat 10 along the first rotation axis, for example, the rotating structure 30 and the mounting seat 10 can be connected through a fixed block, or the rotating structure 30 and the mounting seat 10 can be connected through a rotating shaft, but the utility model is not limited thereto. The rotating structure 30 and the mounting seat 10 can also be connected in other ways, as long as the rotating structure 30 is rotatably arranged on the mounting seat 10 along the first rotation axis. The rotating structure 30 is rotatably arranged on the mounting seat 10 along the first rotation axis, so that the trailer hook cover plate 20 is rotated to the open position and the closed position. When the trailer hook needs to be used, the trailer hook cover plate 20 can be rotated to the open position to expose the trailer hook. When the trailer hook does not need to be used, the trailer hook cover plate 20 is rotated to the closed position, so that the opening and closing of the trailer hook cover plate 20 becomes simple and convenient, facilitating the repeated disassembly and use of the trailer hook cover plate 20, and also improving the overall quality of the vehicle.

[0081] It should be noted that the open position refers to the position where the trailer hook cover plate 20 opens the through hole 201 on the bumper 200 and cannot continue to rotate, and the closed position refers to the position where the trailer hook cover plate 20 completely closes the through hole 201 on the bumper 200.

[0082] The locking structure 50 is arranged along the first direction with the trailer hook cover plate 20. When the trailer hook cover plate 20 is in the closed position, the trailer hook cover plate 20 is locked with the locking structure 50, which can keep the trailer hook cover plate 20 in the closed position and prevent the trailer hook cover plate 20 from being accidentally opened.

[0083] When the trailer hook cover plate 20 is in the closed position and needs to be opened, the trailer hook cover plate 20 is pressed to unlock the trailer hook cover plate 20 from the locking structure 50, and the rotating structure 30 is rotated about the first rotation axis to drive the trailer hook cover plate 20 to rotate to the open position, so that the opening of the trailer hook cover plate 20 becomes simple and convenient, and the trailer hook cover plate 20 is convenient for multiple disassembly and use. At least part of the trailer hook cover plate 20 is hidden in the mounting seat 10, which can reduce the risk of scratching and damaging the trailer hook cover plate 20, and the rotating structure 30 supports the trailer hook cover plate 20, which can avoid abnormal noise of the trailer hook cover plate 20 during vehicle driving, and can also avoid loss of the trailer hook cover plate 20, thereby improving the safety and reliability of the trailer hook cover plate device 100.

[0084] Specifically, as shown in Figure 6 , Figure 7 and Figure 8 , the first pressing portion 103 of the trailer hook cover plate 20 can be located on the wall surface of the trailer hook cover plate 20 facing the user, and the first pressing portion 103 can be arranged close to the lower end of the trailer hook cover plate 20 along the height direction of the trailer hook cover plate device 100. The rotating structure 30 can be arranged to extend along the plane in the second direction, so that the end of the rotating structure 30 connected with the trailer hook cover plate 20 is arranged close to the lower end of the trailer hook cover plate 20, and the first pressing portion 103 can correspond to the position of the rotating structure 30. When the user presses the first pressing portion 103, the lower end of the trailer hook cover plate 20 is rotated towards the mounting seat 10 to unlock the trailer hook cover plate 20 from the locking structure 50, and the rotating structure 30 is rotated about the first rotation axis to drive the trailer hook cover plate 20 to rotate to the open position, thereby realizing the opening of the trailer hook cover plate 20, which is convenient and does not require the use of tools, and is convenient for multiple disassembly and use of the trailer hook cover plate 20. It also improves the overall quality of the vehicle, and the trailer hook cover plate 20 does not separate from the vehicle after being opened, which can reduce the risk of loss of the trailer hook cover plate 20. At least part of the trailer hook cover plate 20 is hidden in the mounting seat 10, which can reduce the risk of scratching and damaging the trailer hook cover plate 20. The trailer hook cover plate 20 can be arranged as a hollow structure, which can reduce the material usage of the trailer hook cover plate 20, and is also beneficial to the lightweight design of the vehicle, thereby reducing the user's vehicle cost.

[0085] According to some embodiments of the present application, as shown in Figure 9 , the mounting seat 10 can form an accommodation space 5, and the accommodation space 5 penetrates the mounting seat 10 along the second direction. When the trailer hook cover plate 20 is opened, the rotating structure 30 is rotated to drive the trailer hook cover plate 20 to rotate to the accommodation space 5; when the trailer hook cover plate 20 is closed, the rotating structure 30 is rotated to drive the trailer hook cover plate 20 to move out of the accommodation space 5.

[0086] Wherein, as shown in Figure 9 The mounting seat 10 can have a first wall portion 1, a second wall portion 2, a third wall portion 3, a seat bottom wall 4, the first wall portion 1 and the second wall portion 2 are oppositely and spacedly arranged along a first direction, the third wall portion 3 and the seat bottom wall 4 are oppositely and spacedly arranged along a height direction of the trailer hook cover plate device 100, the third wall portion 3 and the seat bottom wall 4 are both connected between the first wall portion 1 and the second wall portion 2, the first wall portion 1, the second wall portion 2, the third wall portion 3 and the seat bottom wall 4 jointly define a containing space 5, the containing space 5 penetrates through the mounting seat 10 along a second direction, the shape and size of the containing space 5 are matched with the trailer hook cover plate 20, so that the trailer hook cover plate 20 can be rotated to the containing space 5, when the trailer hook cover plate 20 is rotated from the closed position to the open position, the rotating structure 30 is rotated to drive the trailer hook cover plate 20 to rotate to the containing space 5, when the trailer hook cover plate 20 is rotated from the open position to the closed position, the rotating structure 30 is rotated to drive the trailer hook cover plate 20 to move out of the containing space 5, thereby the opening and closing of the trailer hook cover plate 20 can be smoothly realized.

[0087] According to some embodiments of the utility model, as shown in Figure 9 The mounting seat 10 has a seat bottom wall 4, the seat bottom wall 4 is configured as a containing space bottom wall of the containing space 5, the surface of the seat bottom wall 4 away from the containing space has a connecting portion 7, the rotating structure 30 is arranged through the seat bottom wall 5 and rotatably arranged at the connecting portion 7.

[0088] The mounting seat 10 has a seat bottom wall 4, for example, the mounting seat 10 and the seat bottom wall 4 can be integrally formed, or the mounting seat 10 and the seat bottom wall 4 can be fixedly connected through welding, but the utility model is not limited to this, the mounting seat 10 and the seat bottom wall 4 can also be fixedly connected through other modes, as long as the mounting seat 10 has the seat bottom wall 4. The seat bottom wall 4 can be configured as a containing space bottom wall of the containing space 5, the surface of the seat bottom wall 4 away from the containing space has a connecting portion 7, for example, the seat bottom wall 4 and the connecting portion 7 can be integrally formed, or the seat bottom wall 4 and the connecting portion 7 can be fixedly connected through welding, but the utility model is not limited to this, the seat bottom wall 4 and the connecting portion 7 can also be fixedly connected through other modes, as long as the surface of the seat bottom wall 4 away from the containing space has the connecting portion 7. The rotating structure 30 is provided through the seat bottom wall 5, the seat bottom wall 4 can be formed with a strip-shaped hole 6, the rotating structure 30 is provided through the strip-shaped hole 6, and the rotating structure 30 is rotatably arranged on the connecting portion 7, for example, the rotating structure 30 and the connecting portion 7 can be rotatably connected through a rotating shaft, or the rotating structure 30 and the connecting portion 7 can be rotatably connected through a pin shaft, but the utility model is not limited to this, as long as the rotating structure 30 is rotatably arranged on the connecting portion 7. In this way, the rotating structure 30 can rotate in the strip-shaped hole 6, so that the trailer hook cover plate 20 can be rotated by the rotating structure 30, thereby realizing the opening and closing of the trailer hook cover plate 20, and the rotating structure 30 is provided through the seat bottom wall 5, which can make the trailer hook cover plate device 100 more compact, thereby reducing the volume of the trailer hook cover plate device 100, so that the assembly space of the vehicle can be saved.

[0089] According to some embodiments of the utility model, as shown in Figure 8 The mounting seat 10 can also have a mounting bracket 9, and the second wall portion 2 can be connected with the mounting bracket 9. Along the first direction, the mounting bracket 9 is located on the outer side of the second wall portion 2, for example, the second wall portion 2 and the mounting bracket 9 can be fixedly connected through bolts, or the second wall portion 2 and the mounting bracket 9 can be fixedly connected through welding, but the utility model is not limited to this, the second wall portion 2 and the mounting bracket 9 can also be fixedly connected through other modes, as long as the second wall portion 2 can be connected with the mounting bracket 9. The locking structure 50 can be swingably arranged on the mounting bracket 9 of the mounting seat 10 along the second rotating axis, for example, the locking structure 50 and the mounting bracket 9 can be connected through clamping, or the locking structure 50 and the mounting bracket 9 can be connected through a rotating shaft, but the utility model is not limited to this, the locking structure 50 and the mounting bracket 9 can also be connected through other modes, as long as the locking structure 50 can be swingably arranged on the mounting bracket 9 of the mounting seat 10 along the second rotating axis.

[0090] Further, along the second direction, one end of the locking structure 50 can be rotatably connected with the mounting bracket 9, and the other end of the locking structure 50 can be formed with a sliding block 101, and the mounting bracket 9 is formed with a sliding groove 102 corresponding to the sliding block 101, and the sliding groove 102 can be arc-shaped, and when the one end of the locking structure 50 rotates, the sliding block 101 at the other end of the locking structure 50 swings in the sliding groove 102. Specifically, when the adjusting shaft 40 moves in the unlocking channel groove 51, after the adjusting shaft 40 contacts the locking structure 50, the one end of the locking structure 50 is rotated, and at the same time, the sliding block 101 at the other end of the locking structure 50 swings in the sliding groove 102, so that the adjusting shaft 40 smoothly moves in the unlocking channel groove 51.

[0091] When the trailer hook cover plate 20 is in the closed position and is opened, the locking structure 50 moves around the second rotation axis to avoid the trailer hook cover plate 20, so as to avoid that the locking structure 20 blocks the opening of the trailer hook cover plate 20, and the trailer hook cover plate 20 can be smoothly rotated to the open position, so that the opening of the trailer hook cover plate 20 is more convenient and safe.

[0092] When the trailer hook cover plate 20 is in the open position and is closed, the locking structure 50 moves around the second rotation axis to avoid the trailer hook cover plate 20, so as to avoid that the locking structure 20 blocks the closing of the trailer hook cover plate 20, and the trailer hook cover plate 20 can be smoothly rotated to the closed position, so that the closing of the trailer hook cover plate 20 is more convenient and safe.

[0093] Therefore, through the flexible locking and unlocking mechanism, the swinging and guiding effect of the sliding block 101, the linkage of the adjusting shaft 40 and the locking structure 50, and the specific directionality of the second rotation axis, the precise control and stable operation of the locking structure 50 are realized, and the working efficiency and reliability of the trailer hook cover plate device 100 are improved.

[0094] According to some embodiments of the present application, as shown in Figure 8 and Figure 10 The trailer hook cover plate device 100 further comprises a damping bracket 70, the damping bracket 70 is fixedly provided with a damping structure 71, the damping structure 71 is sleeved on the adjusting shaft 40, the damping bracket 70 is provided with one of a rotating gear 72 and a rack 11, and the mounting seat 10 is provided with the other one of the rotating gear 72 and the rack 11, the rack 11 extends along the second direction, and the rotating gear 72 and the rack 11 are engaged.

[0095] The damping bracket 70 is fixedly provided with a damping structure 71, for example, the damping bracket 70 and the damping structure 71 can be fixedly connected through bolts, or the damping bracket 70 and the damping structure 71 can be fixedly connected through welding, but the utility model is not limited to this, the damping bracket 70 and the damping structure 71 can also be fixedly connected through other modes, as long as the damping bracket 70 is fixedly provided with the damping structure 71. The damping structure 71 is sleeved on the adjusting shaft 40, can make the adjusting shaft 40 be resisted by the damping structure 71 in the rotating process, thereby realizing the stable damping effect, helping to slow down the rotating speed of the adjusting shaft 40, preventing the sudden acceleration or deceleration of the adjusting shaft 40 due to external force, thereby improving the stability and safety of the whole device.

[0096] The damping bracket 70 is provided with one of the rotating gear 72 and the rack 11, and the mounting seat 10 is provided with the other one of the rotating gear 72 and the rack 11, for example, the damping bracket 70 is provided with the rotating gear 72, and the mounting seat 10 is provided with the rack 11, or the damping bracket 70 is provided with the rack 11, and the mounting seat 10 is provided with the rotating gear 72, and the damping bracket 70 is provided with the rotating gear 72, and the mounting seat 10 is provided with the rack 11, for example, the damping bracket 70 is provided with the rotating gear 72, and the mounting seat 10 is provided with the rack 11. The rack 11 can be formed on the second wall portion 2 of the mounting seat 10, the rack 11 extends along the second direction, the rotating gear 72 is rotatably arranged on the wall surface of the damping bracket 70 facing the mounting seat 10, and the rotating gear 72 and the rack 11 are correspondingly arranged and engaged, and the rotating gear 72 and the rack 11 are engaged, when the adjusting shaft 40 moves in the unlocking channel groove 51, the adjusting shaft 40 can move together with the damping bracket 70, so that the rotating gear 72 on the damping bracket 70 rotates and moves along the extension direction of the rack 11, and the damping structure 71 is sleeved on the adjusting shaft 40, so that the adjusting shaft 40 can be resisted by the damping structure 71 in the rotating process, thereby uniformly reducing the moving speed of the adjusting shaft 40 in the unlocking channel groove 51, so that the adjusting shaft 40 can move smoothly, which helps to realize more accurate position adjustment of the adjusting shaft 40, thereby improving the adjusting accuracy and performance of the trailer hook cover plate device 100. At the same time, due to the engagement relationship between the rotating gear 72 and the rack 11 also has a certain self-locking function, which can prevent the adjusting shaft 40 from rotating by itself to a certain extent when it is not subjected to external force, thereby improving the safety and reliability of the trailer hook cover plate device 100. Through the cooperation of the damping structure 71, the rotating gear 72 and the rack 11, the adjusting shaft 40 can move linearly at a constant speed, thereby reducing the risk of instantaneous opening or closing of the trailer hook cover plate 20.

[0097] According to some embodiments of the utility model, as shown in Figure 9 The mounting seat 10 is formed with a guide hole 12 extending along the second direction, and the adjusting shaft 40 is arranged in the guide hole 12.

[0098] The first wall portion 1 and the second wall portion 2 can be formed with guide holes 12, the guide holes 12 of the first wall portion 1 and the guide holes 12 of the second wall portion 2 are correspondingly arranged, two adjusting shafts 40 can be arranged in the guide holes 12 of the first wall portion 1 and the guide holes 12 of the second wall portion 2 respectively, the adjusting shafts 40 can move along the extension direction of the guide holes 12, the seat bottom wall 4 can be formed with a strip-shaped hole 6, the rotating structure 30 is arranged in the strip-shaped hole 6, the rotating structure 30 can rotate in the strip-shaped hole 6, the rotating of the trailer hook cover plate 20 in the accommodating space 5 can be realized by moving the adjusting shafts 40 in the guide holes 12 and rotating the rotating structure 30 in the strip-shaped hole 6, and then the opening and closing of the trailer hook cover plate 20 can be realized.

[0099] According to some embodiments of the utility model, as shown in Figure 9 and Figure 11 The seat bottom wall 4 can be formed with a second through hole 41, the seat bottom wall 4 is connected with a connecting portion 7, the first through hole 8 is formed on the connecting portion 7, the first through hole 8 and the second through hole 41 are correspondingly communicated, the first through hole 8 is correspondingly arranged with the trailer hook mounting member and the trailer hook cover plate 20, when the trailer hook cover plate 20 is located at the opening position, the user can take out or install the trailer hook from the trailer hook mounting member through the first through hole 8 and the second through hole 41, and the operation is simple and fast.

[0100] According to some embodiments of the utility model, as shown in Figure 8 and Figure 10 The trailer hook cover plate device 100 further comprises a driving mechanism 60, the driving mechanism 60 is connected between the trailer hook cover plate 20 and the mounting seat 10, when the trailer hook cover plate 20 is opened, the driving mechanism 60 drives the rotating structure 30 to rotate to drive the trailer hook cover plate 20 to rotate to the opening position.

[0101] The driving mechanism 60 can be an elastic member, a motor or the like, the driving mechanism 60 is connected between the trailer hook cover plate 20 and the mounting seat 10, the driving mechanism 60 can be connected between the adjusting shaft 40 of the trailer hook cover plate 20 and the mounting seat 10, when the trailer hook cover plate 20 is opened, the adjusting shaft 40 moves from the locking gap 53 to the unlocking passage slot 51, the driving mechanism 60 drives the rotating structure 30 to rotate to drive the trailer hook cover plate 20 to rotate to the opening position, and then the opening of the trailer hook cover plate 20 is realized, which is convenient and fast, and tools are not needed, the trailer hook cover plate 20 can be disassembled and used multiple times, the quality of the whole vehicle can be improved, the trailer hook cover plate 20 will not be separated from the vehicle after being opened, the risk of losing the trailer hook cover plate 20 can be reduced, and then the vehicle cost of the user can be reduced.

[0102] According to some embodiments of the utility model, as shown in Figure 8 and Figure 10As shown, the driving mechanism 60 can be configured as an elastic member configured to be stretched when the trailer hook cover plate 20 is in the closed position.

[0103] The driving mechanism 60 can be configured as an elastic member, for example, the driving mechanism 60 can be configured as a spring, rubber, etc., but the utility model is not limited to this, the driving mechanism 60 can also be configured as other types of elastic members, which can be reasonably selected according to the actual application scene, and the application takes the spring as an example to illustrate the elastic member. The elastic member is configured to be stretched when the trailer hook cover plate 20 is in the closed position. Specifically, the elastic member is connected between the mounting seat 10 and the adjusting shaft 40, and the mounting seat 10 can be provided with a hanging notch 62, which is located on the side of the adjusting shaft 40 away from the trailer hook cover plate 20 along the second direction. Both ends of the elastic member can be provided with hooks 61, the hook 61 at one end of the elastic member is hung on the adjusting shaft 40, and the hook 61 at the other end of the elastic member is hung on the hanging notch 62. When the adjusting shaft 40 is assembled in the locking notch 53, the trailer hook cover plate 20 is in the closed position, at this time, the elastic member is stretched, when the adjusting shaft 40 is moved from the locking notch 53 to the unlocking passage slot 51, the elastic member resets to provide power to pull the adjusting shaft 40 along the extension path of the guide hole 12 towards the mounting seat 10, thereby enabling the trailer hook cover plate 20 to rotate from the closed position to the open position.

[0104] According to some embodiments of the utility model, as shown in Figure 9 As shown, the trailer hook cover plate device 100 further comprises a torsion spring 31, the mounting seat 10 is formed with a mounting shaft 32 extending along the first direction, a shaft sleeve 33 is sleeved on the mounting shaft 32, the other end of the rotating structure 30 is sleeved on the shaft sleeve 33, the torsion spring 31 is sleeved on the shaft sleeve 33, and one end of the torsion spring 31 is connected with the shaft sleeve 33, and the other end of the torsion spring 31 is connected with the rotating structure 30.

[0105] The torsion spring 31 can provide reset and holding force, the mounting seat 10 is formed with a mounting shaft 32 extending along the first direction, for example, the mounting shaft 32 and the mounting seat 10 can be connected by welding, or the mounting shaft 32 and the mounting seat 10 can be integrally formed, but the utility model is not limited to this, the mounting shaft 32 and the mounting seat 10 can also be connected by other means, as long as the mounting seat 10 is formed with a mounting shaft 32 extending along the first direction.

[0106] The shaft sleeve 33 is sleeved on the mounting shaft 32, so that the shaft sleeve 33 can protect the mounting shaft 32, reduce wear of the mounting shaft 32, and provide lubrication. The shaft sleeve 33 also serves as a connecting point of the rotating structure 30 and the torsion spring 31, and ensures the relative position and stability between them. The other end of the rotating structure 30 is sleeved on the shaft sleeve 33, the torsion spring 31 is sleeved on the shaft sleeve 33, one end of the torsion spring 31 is connected with the shaft sleeve 33, and the other end of the torsion spring 31 is connected with the rotating structure 30. The rotating structure 30 forms a linkage relationship with the torsion spring 31, the shaft sleeve 33 and the trailer hook cover plate 20, so that the trailer hook cover plate 20 can be opened or closed under the action of an external force. The use of the shaft sleeve 33 and the torsion spring 31 improves the durability of the trailer hook cover plate device 100, reduces wear and friction, prolongs the service life of the trailer hook cover plate device 100, and reduces maintenance costs.

[0107] Further, when the user presses the first pressing portion 103, the trailer hook cover plate 20 rotates towards the mounting seat 10, so that the adjusting shaft 40 of the trailer hook cover plate 20 moves from the locking gap 53 to the unlocking passage slot 51. After the adjusting shaft 40 moves from the locking gap 53 to the unlocking passage slot 51, the driving mechanism 60 can drive the adjusting shaft 40 to move along the unlocking passage slot 51 towards the mounting seat 10, and the other end of the rotating structure 30 rotates along the first rotation axis towards the third direction, so as to drive the trailer hook cover plate 20 to rotate to the open position, thereby achieving the opening of the trailer hook cover plate 20. The user does not need to use tools, and the trailer hook cover plate 20 can be disassembled and used multiple times. The quality of the whole vehicle is also improved. After the trailer hook cover plate 20 is opened, it will not be separated from the vehicle, and the risk of losing the trailer hook cover plate 20 is reduced, thereby reducing the user's vehicle cost.

[0108] When the user applies force to the trailer hook cover plate 20 by pressing the second pressing portion 104, the adjusting shaft 40 moves along the second direction towards the trailer hook cover plate 20, and the rotating structure 30 rotates along the first rotation axis towards the opposite direction of the third direction. The trailer hook cover plate 20 rotates towards the closed position, and the torsion spring 31 releases energy to push the rotating structure 30 and the trailer hook cover plate 20 back to the original position. When the adjusting shaft 40 moves from the unlocking passage slot 51 to the locking gap 53, the adjusting shaft 40 is limited in the locking gap 53. At this time, the trailer hook cover plate 20 is located in the closed position and remains in the closed position. The trailer hook cover plate 20 can be closed by pressing the trailer hook cover plate 20.

[0109] According to some embodiments of the present application, Figure 8As shown, the rotating structure 30 can further have a limiting portion 34. The limiting portion 30 can increase the area of the rotating structure 30 to strengthen the strength of the rotating structure 30. When the rotating structure 30 rotates to drive the trailer hook cover plate 20 to close the trailer hook cover plate 20, and the trailer hook cover plate 20 moves out of the accommodating space 5, the limiting portion 34 can abut against the seat bottom wall 4, thereby preventing the trailer hook cover plate 20 from rotating indefinitely, avoiding the trailer hook cover plate 20 protruding towards the user's wall surface, reducing the risk of the trailer hook cover plate 20 being scratched and damaged, and improving the safety and reliability of the trailer hook cover plate device 100.

[0110] According to some embodiments of the present application, Figure 6 As shown, the vehicle comprises a bumper 200, the bumper 200 is formed with a through hole 201; a trailer hook cover plate device 100, the trailer hook cover plate device 100 is the trailer hook cover plate device 100 of the above-mentioned embodiments, the mounting seat 10 is fixedly arranged on the bumper 200, and the trailer hook cover plate 20 is arranged corresponding to the through hole 201 to open or close the through hole 201.

[0111] The bumper 200 is fixedly arranged on the vehicle, and the mounting seat 10 is fixedly arranged on the bumper 200. For example, the mounting seat 10 and the bumper 200 can be fixedly connected by bolts, or the mounting seat 10 and the bumper 200 can be fixedly connected by welding, but the present application is not limited thereto. The mounting seat 10 and the bumper 200 can also be fixedly connected by other means, as long as the mounting seat 10 is fixedly arranged on the bumper 200. The bumper 200 is formed with a through hole 201, the through hole 201 is arranged corresponding to the trailer hook, and the trailer hook cover plate 20 is arranged corresponding to the through hole 201. The trailer hook cover plate 20 opens or closes the through hole 201, thereby achieving the taking and installation of the trailer hook. Thus, the trailer hook cover plate 20 can be opened or closed by pressing, which is convenient and fast, and does not require the use of tools. The trailer hook cover plate 20 can be disassembled and used multiple times, and the overall quality of the vehicle can be improved. After the trailer hook cover plate 20 is opened, it will not be separated from the vehicle, which can reduce the risk of the trailer hook cover plate 20 being lost, thereby reducing the user's vehicle cost.

[0112] The vehicle according to the embodiments of the present application comprises the locking structure 50 of the above-mentioned embodiments, which can achieve the unlocking and locking of the adjusting shaft 40, thereby achieving the opening and closing of the trailer hook cover plate 20. The locking structure 50 is simple in design, high in stability, convenient and fast to use, and can improve the stability and reliability of the trailer hook cover plate 20, and also improve the quality of the vehicle.

[0113] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0114] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A locking structure (50) of a trailer coupler cover, characterized in that, Comprising: A locking structure body (60) is arranged to be swingably arranged on a mounting base (10) along a rotation axis, the rotation axis extends along a first direction, along the first direction, one side surface of the locking structure body (60) is formed with an unlocking channel groove (51) extending along a second direction, the first direction, the second direction and the height direction of the locking structure (50) are perpendicular; A lock block (52) is arranged in the unlocking channel groove (51) and fixed with the bottom wall of the unlocking channel groove (51), the lock block (52) is spaced apart from the inner side wall of the unlocking channel groove (51), along the second direction, the lock block (52) is formed with a locking notch (53) facing the end of the first end (61) of the locking structure body (60), the locking notch (53) is communicated with the unlocking channel groove (51).

2. The locking structure (50) according to claim 1, characterized in that The unlocking channel groove (51) is formed with an open end (510) facing the end of the second end (62) of the locking structure body (60) along the second direction.

3. The locking structure (50) according to claim 1, characterized in that The unlocking channel groove (51) comprises a first channel groove (511) and a second channel groove (512), the first channel groove (511) and the second channel groove (512) are arranged along the height direction of the locking structure (50) and both extend along the second direction, the lock block (52) is located between the first channel groove (511) and the second channel groove (512).

4. The locking structure (50) according to claim 3, characterized in that The unlocking channel groove (51) further comprises a communication groove (513), the inner side wall of the unlocking channel groove (51) has an end side wall (514) spaced apart from the lock block (52) along the second direction, the communication groove (513) is located between the end side wall (514) and the lock block (52), the communication groove (513) communicates the locking notch (53) and the first channel groove (511), and the communication groove (513) communicates the locking notch (53) and the second channel groove (512).

5. The locking structure (50) according to claim 4, characterized in that The communication groove (513) comprises a first communication groove section (515) and a second communication groove section (516), the first communication groove section (515) is located between the first channel groove (511) and the second communication groove section (516), the second communication groove section (516) is located between the second channel groove (512) and the first communication groove section (515), the first communication groove section (515) communicates the first channel groove (511) and the locking notch (53), and the second communication groove section (516) communicates the second channel groove (512) and the locking notch (53).

6. The locking structure (50) according to claim 5, characterized in that Along the second direction, the lock block (52) is located between the two ends of the first channel groove (511), along the height direction of the locking structure (50), the first communication groove section (515) extends obliquely from the first channel groove (511) towards the locking notch (53); Along the second direction, the lock block (52) is located between two ends of the second channel groove (512), and along the height direction of the locking structure (50), the second communication groove section (516) extends obliquely from the second channel groove (512) towards the locking gap (53).

7. The locking structure (50) according to claim 5, characterized in that Along the height direction of the locking structure (50), the first channel groove (511) is formed with a first arc-shaped wall (517) away from the inner side wall of the second channel groove (512), the first arc-shaped wall (517) is recessed away from the second channel groove (512), and the first arc-shaped wall (517) is adjacent to the first communication groove section (515); and / or, Along the height direction of the locking structure (50), the second channel groove (512) is formed with a second arc-shaped wall (518) away from the inner side wall of the first channel groove (511), the second arc-shaped wall (518) is recessed away from the first channel groove (511), and the second arc-shaped wall (518) is adjacent to the second communication groove section (516).

8. The blocking structure (50) according to any one of claims 1-7, characterized in that Along the first direction, the other side surface of the locking structure body (60) is formed with a rotating shaft (54), and the central axis of the rotating shaft (54) is configured as the rotating axis.

9. The blocking structure (50) according to any one of claims 1-7, characterized in that Along the first direction, the other side surface of the locking structure body (60) is formed with a rotating limiting structure (55).

10. A vehicle characterized by comprising: The locking structure (50) according to any one of claims 1-9.

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