Towing hook device and vehicle with same

Abstract

The utility model provides a towing hook device and a vehicle with the towing hook device, the towing hook device comprises a first fixing assembly, a second fixing assembly and a third fixing assembly, the first fixing assembly extends in the first direction, and a sliding groove is formed in the inner side of the first fixing assembly; the second fixing assembly is arranged in the sliding groove, and the second fixing assembly is movably arranged relative to the first fixing assembly in the first direction; the towing hook assembly is connected with the second fixing assembly; wherein the first fixing assembly is provided with a plurality of limiting cavities at intervals in the first direction, the second fixing assembly is provided with a plurality of working positions correspondingly installed in the limiting cavities, and when the second fixing assembly is located at the different working positions, the lengths of the portions, entering the sliding groove, of the towing hook assembly are different. The towing hook solves the problem that in the prior art, in the using process, the towing hook may rub and interfere with a vehicle body.

Description

Technical Field

[0001] The utility model relates to the technical field of towing hook device design, in particular to a towing hook device and a vehicle with the same. Background Art

[0002] Currently, there are two types of front tow hooks on vehicles: non-retractable and non-rotatable fixed type and retractable and rotatable type. The non-retractable and non-rotatable types are limited in use in the market due to limitations such as space, while the retractable types are limited in length due to the distance between the vehicle body and the frame, so that the retractable length cannot reach the requirement of fully extending the bumper. When towing a vehicle without the retractable hook extending to a sufficient length, the tow rope will interfere with the bumper or the tow hook cover, causing scratches and damage to the vehicle body. Utility Model Content

[0003] The main purpose of the utility model is to provide a towing hook device and a vehicle having the same, so as to solve the problem in the prior art that the towing hook may interfere with the vehicle body during use.

[0004] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a towing hook device is provided, including: a first fixing component, the first fixing component is extended and arranged along a first direction, and a slide groove is arranged on the inner side of the first fixing component; a second fixing component, the second fixing component is arranged in the slide groove, and the second fixing component is movably arranged relative to the first fixing component along the first direction; a towing hook assembly, the towing hook assembly is connected to the second fixing component; wherein, the first fixing component is provided with a plurality of limiting cavities spaced apart along the first direction, the second fixing component has a plurality of working positions correspondingly installed in each limiting cavity, and when the second fixing component is located at different working positions, the length of the portion of the towing hook assembly entering the slide groove is different.

[0005] Furthermore, the towing hook device also includes: a locking assembly, the locking assembly is located in the slide groove, the locking assembly is detachably connected to the first fixing assembly, and the locking assembly is used to lock the second fixing assembly in one of the multiple limiting cavities.

[0006] Furthermore, the first fixing assembly includes two first fixing plates, a slide groove is formed between the two first fixing plates, the two first fixing plates are symmetrically arranged about the center plane of the slide groove along the second direction, the second direction is perpendicular to the first direction, and the two first fixing plates are provided with multiple limit cavities at corresponding positions.

[0007] Further, the first fixed plate includes a main body portion, the top end of the main body portion is bent toward the slide slot to form an upper folding edge, and the bottom end of the main body portion is bent toward the slide slot to form a lower folding edge, the projections of the upper folding edge and the lower folding edge along the height direction of the main body portion coincide, the upper folding edge is provided with a plurality of upper limiting grooves spaced apart along the first direction, the lower folding edge is provided with a plurality of lower limiting grooves spaced apart along the first direction, the plurality of upper limiting grooves are provided correspondingly to the lower limiting grooves, and a upper limiting groove and the corresponding lower limiting groove together form a limiting cavity for installing the second fixed component.

[0008] Furthermore, the second fixing assembly includes two second fixing plates, the two second fixing plates are respectively arranged on the inner sides of the two first fixing plates, and the two second fixing plates are symmetrically arranged about the center plane of the slide groove along the second direction. When the second fixing assembly is located at any working position, the two ends of the second fixing plate in the height direction are respectively connected to the two ends of the corresponding first fixing plates in the height direction, and the top end of the second fixing plate is located in the upper limiting groove on the first fixing plate corresponding to the working position, and the bottom end of the second fixing plate is located in the lower limiting groove on the first fixing plate corresponding to the working position.

[0009] Furthermore, a plurality of groups of locking holes are arranged on at least one end surface of the upper folding edge and the lower folding edge facing the center plane at intervals along the first direction, and the plurality of groups of locking holes are arranged in a one-to-one correspondence with the plurality of limiting cavities. There are a plurality of locking assemblies, and the plurality of locking assemblies are arranged in a one-to-one correspondence with the plurality of locking holes. A single locking assembly is connected to the first fixed plate through a corresponding locking hole.

[0010] Furthermore, the locking assembly includes: a locking body, when the second fixed plate is installed in the limiting cavity, the end face of the locking body abuts against the end face of the second fixed plate and the end face of the first fixed plate at the same time, and the locking body is used to prevent the second fixed plate from exiting the limiting cavity along the second direction; a locking bolt, which is used to connect the locking body and the first fixed plate through the locking hole.

[0011] Furthermore, the towing hook assembly includes: a trailer hook connecting plate, the trailer hook connecting plate is located in the slide groove, and the trailer hook connecting plate is connected to the second fixing assembly; a trailer hook latch plate, there are two trailer hook latch plates, the two trailer hook latch plates are respectively connected to the top and bottom ends of the trailer hook connecting plate, one end of the trailer hook latch plate is connected to one end of the trailer hook connecting plate away from the second fixing assembly, and the other end of the trailer hook latch plate is extended in a direction away from the trailer hook connecting plate.

[0012] Furthermore, the towing hook assembly also includes: a trailer hook pin, both ends of which are respectively connected to two trailer hook latch plates; and a locking pin, which is connected to the end of the trailer hook pin located outside the trailer hook latch plates.

[0013] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a vehicle is provided, including a towing hook device, the towing hook device is the towing hook device mentioned above, and the first fixing assembly is detachably connected to the vehicle frame.

[0014] By applying the technical solution of the utility model, the second fixing component is switched between a plurality of working positions correspondingly installed in each of the limit cavities, so that the length of the portion of the towing hook component entering the slide groove is different, thereby solving the problem of the need to extend and retract the length of the towing hook during use and preventing the towing hook from scratching and interfering with the vehicle body during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 A schematic structural diagram of a first embodiment of a towing hook device according to the utility model is shown;

[0017] Figure 2 A schematic structural diagram of a second embodiment of a towing hook device according to the utility model is shown;

[0018] Figure 3 A schematic structural diagram of a third embodiment of a towing hook device according to the utility model is shown;

[0019] Figure 4 A schematic structural diagram of a fourth embodiment of a towing hook device according to the utility model is shown;

[0020] Figure 5 A schematic structural diagram of a fifth embodiment of a towing hook device according to the utility model is shown;

[0021] Figure 6 A schematic structural diagram of a sixth embodiment of a towing hook device according to the utility model is shown;

[0022] Figure 7 A schematic structural diagram of a seventh embodiment of a towing hook device according to the utility model is shown;

[0023] Figure 8 A schematic structural diagram of an eighth embodiment of a towing hook device according to the utility model is shown;

[0024] Fig. 9 A schematic structural diagram of a ninth embodiment of a towing hook device according to the utility model is shown.

[0025] The above drawings include the following reference numerals:

[0026] 1. First fixing assembly; 2. Slide groove; 3. Second fixing assembly; 4. Towing hook assembly; 5. Limiting cavity; 6. Locking assembly; 11. First fixing plate; 111. Main body; 112. Upper folding edge; 113. Lower folding edge; 31. Second fixing plate; 7. Locking hole; 61. Locking body; 62. Locking bolt; 41. Trailer hook connecting plate; 42. Trailer hook latch plate; 43. Trailer hook pin; 44. Locking pin; 8. Frame. DETAILED DESCRIPTION

[0027] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0028] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0029] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0030] Now, exemplary embodiments according to the present application will be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments may be implemented in a variety of different forms and should not be construed as being limited to the embodiments described herein. It should be understood that these embodiments are provided to make the disclosure of the present application thorough and complete, and to fully convey the concepts of these exemplary embodiments to those of ordinary skill in the art. In the accompanying drawings, for the sake of clarity, the thickness of the layers and regions may be enlarged, and the same reference numerals are used to represent the same devices, and thus their descriptions will be omitted.

[0031] Combination Figures 1 to 9 As shown, according to a specific embodiment of the present application, a towing hook device is provided.

[0032] The towing hook device includes: a first fixing component 1, which is extended and arranged along a first direction, and a slide groove 2 is arranged on the inner side of the first fixing component 1; a second fixing component 3, which is arranged in the slide groove 2, and the second fixing component 3 is movably arranged relative to the first fixing component 1 along the first direction; a towing hook component 4, which is connected to the second fixing component 3; wherein, the first fixing component 1 is provided with a plurality of limiting cavities 5 spaced apart along the first direction, and the second fixing component 3 has a plurality of working positions correspondingly installed in each limiting cavity 5, and when the second fixing component 3 is located at different working positions, the length of the portion of the towing hook component 4 entering the slide groove 2 is different.

[0033] By applying the technical solution of the utility model, the second fixing component 3 is switched between a plurality of working positions correspondingly installed in each of the limit cavities 5, so that the length of the portion of the towing hook component 4 entering the slide groove 2 is different, thereby solving the problem of the need to extend and retract the length of the towing hook during use and preventing the towing hook from scratching and interfering with the vehicle body during use.

[0034] The technical solution of the present application solves the problem that the tow hook is installed too close to the front panel and the cover during traditional installation, which is prone to scratches or inconvenient operation. The tow hook is hidden when it is retracted and rotated, and the structure and appearance of the vehicle body are not affected, and the approach angle is not affected. Secondly, when the tow hook can be retracted and rotated, the operating space during installation can be adjusted, and the distance between the tow hook and the vehicle body can be adjusted according to the actual application space. There are more options when using it, which is conducive to the tow hook to tow the faulty vehicle away from the dangerous area in time.

[0035] By applying the technical solution of the present application, it is possible to reduce the installation space by rotating and extending the tow hook and fix the tow hook in a suitable position through a locking device to avoid interference with the front panel frame, etc. When necessary, the tow hook seat can be operated quickly and easily to help solve the problem of the vehicle being out of a dangerous position.

[0036] Furthermore, the towing hook device also includes: a locking assembly 6, the locking assembly 6 is located in the slide groove 2, the locking assembly 6 is detachably connected to the first fixing assembly 1, and the locking assembly 6 is used to lock the second fixing assembly 3 in one of the multiple limiting cavities 5.

[0037] The detachable connection design of the locking assembly 6 makes it easy to disassemble and replace when needed, thereby increasing the flexibility of the system. Such a design can replace or adjust the locking assembly 6 at any time as needed to adapt to different working conditions or maintenance requirements.

[0038] The detachable connection between the locking assembly 6 and the first fixing assembly 1 makes it easier to maintain and replace the locking assembly 6. Maintenance personnel can easily remove the locking assembly 6 for inspection or replacement, thereby reducing maintenance time and cost and improving maintenance efficiency.

[0039] The design of the locking assembly 6 can ensure that the second fixing assembly 3 is accurately locked in one of the plurality of limiting cavities 5. This ensures that the second fixing assembly 3 maintains a stable position during operation, prevents it from accidentally moving or swinging, and improves the operating accuracy and stability of the system.

[0040] The locking assembly 6 reliably fixes the second fixing assembly 3 to prevent it from loosening or falling off during operation. This reliable fixing design helps to improve the safety and stability of the system and reduces the occurrence of failures and accidents caused by loose components.

[0041] Furthermore, the first fixing assembly 1 includes two first fixing plates 11, a slide groove 2 is formed between the two first fixing plates 11, the two first fixing plates 11 are symmetrically arranged about the center plane of the slide groove 2 along the second direction, the second direction is perpendicular to the first direction, and the two first fixing plates 11 are provided with multiple limit cavities 5 at corresponding positions.

[0042] The two first fixing plates 11 are symmetrically arranged about the central plane of the slide groove 2 along the second direction. This symmetrical design helps to ensure the symmetry and balance of the position of the first fixing component 1 during installation, thereby improving the control accuracy of the system for the second fixing component 3. A plurality of limiting cavities 5 are arranged at corresponding positions, so that the towing hook can have different hidden positions.

[0043] Further, the first fixed plate 11 includes a main body portion 111, the top end of the main body portion 111 is bent toward the slide slot 2 to form an upper folding edge 112, and the bottom end of the main body portion 111 is bent toward the slide slot 2 to form a lower folding edge 113. The projections of the upper folding edge 112 and the lower folding edge 113 along the height direction of the main body portion 111 coincide with each other. The upper folding edge 112 is provided with a plurality of upper limiting grooves at intervals along the first direction, and the lower folding edge 113 is provided with a plurality of lower limiting grooves at intervals along the first direction. The plurality of upper limiting grooves are provided correspondingly to the lower limiting grooves, and a upper limiting groove and the corresponding lower limiting groove together form a limiting cavity 5 for installing the second fixed component 3.

[0044] By setting the upper and lower folding edges, the first fixing plate 11 forms a U-shaped structure, and the opening of the U-shaped structure faces the inner side of the first fixing plate 11, so that the second fixing plate can be connected to the first fixing plate 11 while reserving space for the slide groove 2 for hiding the towing hook.

[0045] Furthermore, the second fixing assembly 3 includes two second fixing plates 31, and the two second fixing plates 31 are respectively arranged on the inner sides of the two first fixing plates 11, and the two second fixing plates 31 are symmetrically arranged about the central plane of the slide groove 2 along the second direction. When the second fixing assembly 3 is located at any working position, the two ends of the second fixing plate 31 in the height direction are respectively connected to the two ends of the corresponding first fixing plate 11 in the height direction, and the top end of the second fixing plate 31 is located in the upper limiting groove on the first fixing plate 11 corresponding to the working position, and the bottom end of the second fixing plate 31 is located in the lower limiting groove on the first fixing plate 11 corresponding to the working position.

[0046] By correspondingly disposing two second fixing plates 31 , multiple stable limiting connections are formed between the towing hook and the first fixing plate 11 .

[0047] Furthermore, a plurality of groups of locking holes 7 are arranged on at least one end face of the upper folding edge 112 and the lower folding edge 113 facing the center plane at intervals along the first direction, and the plurality of groups of locking holes 7 are arranged in a one-to-one correspondence with the plurality of limiting cavities 5. There are a plurality of locking assemblies 6, and the plurality of locking assemblies 6 are arranged in a one-to-one correspondence with the plurality of groups of locking holes 7. A single locking assembly 6 is connected to the first fixed plate 11 through the corresponding locking hole 7.

[0048] Furthermore, the locking assembly 6 comprises: a locking body 61, when the second fixing plate 31 is installed in the limiting cavity 5, the end surface of the locking body 61 abuts against the end surface of the second fixing plate 31 and the end surface of the first fixing plate 11 at the same time, and the locking body 61 is used to prevent the second fixing plate 31 from withdrawing from the limiting cavity 5 along the second direction; and a locking bolt 62, which is used to connect the locking body 61 and the first fixing plate 11 through the locking hole 7. This arrangement facilitates the positioning and installation of the locking assembly 6.

[0049] Furthermore, the towing hook assembly 4 includes: a trailer hook connecting plate 41, the trailer hook connecting plate 41 is located in the slide groove 2, and the trailer hook connecting plate 41 is connected to the second fixing assembly 3; a trailer hook latch plate 42, there are two trailer hook latch plates 42, the two trailer hook latch plates 42 are respectively connected to the top and bottom ends of the trailer hook connecting plate 41, one end of the trailer hook latch plate 42 is connected to one end of the trailer hook connecting plate 41 away from the second fixing assembly 3, and the other end of the trailer hook latch plate 42 is extended in a direction away from the trailer hook connecting plate 41.

[0050] This ensures that the connection between the towing hook assembly 4 and the second fixing assembly 3 is firm and reliable, avoids loosening or falling off during operation, improves the stability of the system, and the relative position between the towing hook assembly 4 and the second fixing assembly 3 can be adjusted as needed, thereby increasing the applicability and flexibility of the system.

[0051] Furthermore, the towing hook assembly 4 also includes: a trailer hook pin 43, the two ends of which are respectively connected to the two trailer hook latch plates 42; and a locking pin 44, which is connected to the end of the trailer hook pin 43 located outside the trailer hook latch plate 42.

[0052] In an optional embodiment, the trailer hook connecting plate is provided with four mounting holes and two long holes, the four mounting holes are used for mounting bolts and nuts, and the sizes of the two long holes are made according to the size of the trailer hook latch plate. The trailer hook latch plate has a circular hole with upper and lower through holes, and the circular hole matches the installation size of the trailer hook pin.

[0053] First, install the trailer hook pin plate into the long hole of the trailer hook connecting plate, reserve a certain space for the welding position, and then combine them together by welding. The upper part of the trailer hook pin is a boss with a locking pin hole. Secondly, install the trailer hook pin into the round hole of the welded part, and then install the locking pin into the locking pin hole. In this way, the trailer hook is assembled. We call this assembled trailer hook a trailer hook assembly.

[0054] The first fixing plate 11 is a U-shaped structure. The width of the U-shaped groove (i.e., the slide groove 2) is greater than the width of the trailer hook connecting plate. The length of the U-shaped groove is determined by the space and the depth of the hidden tow hook. The side has four spare installation long holes, and a number of limiting cavities are opened on the upper and lower folded edges of the slide groove 2. The groove is used to install the second fixing plate 31. A number of circular threaded holes are opened on the inner side of the folded edge of the U-shaped groove, and the threaded holes are used to install bolts and spring washers.

[0055] The first fixing plate 11 can be installed by bolts and nuts using the mounting strip holes on the side according to the actual spatial position, or directly welded to the corresponding rectangular tube of the frame. The first fixing plate 11 is directly welded to the corresponding position of the front part of the frame, and the periphery is connected with a rectangular tube.

[0056] After installation, first place the second fixing plate 31 in the limiting cavity; then use bolts and spring washers to fix the second fixing plate 31 in the limiting cavity, and the left and right sides should be placed symmetrically; then place the assembled trailer hook in the slide groove 2, move it to the position of the second fixing plate 31, and then fix the trailer hook. In this way, the entire trailer hook device is fixed and installed.

[0057] The trailer hook can be moved to different positions of the first fixing plate 11 according to different needs, so as to achieve different changes in the position of the entire trailer hook, so that the trailer hook does not extend out of the frame to achieve the purpose of hiding. Sometimes, according to actual needs, the front and rear positions of the first fixing plate 11 can be adjusted or the installation method of the first fixing plate 11 can be changed (such as using screw fixing to facilitate the long strip hole on the side to adjust the position of the trailer hook) to achieve the purpose of adjusting the front and rear position of the trailer hook or hiding it.

[0058] In another optional embodiment, the trailer hook latch plate and the trailer hook connecting plate are first welded together, and then the trailer hook pin is passed through the connecting hole of the trailer hook latch plate, and finally the locking pin is passed through the anti-drop hole at the bottom of the trailer hook pin. In this way, the trailer hook structure is assembled. Next, the second fixing plates 31 on both sides are placed in the corresponding limiting cavities, and then the second fixing plates 31 in the limiting cavities are fixed to the limiting cavities in the first fixing plate 11 by fixing bolts, nuts, flat washers, and spring washers.

[0059] Place the assembled towing hook in the first fixing plate 11 fixed on the vehicle frame, pull the towing hook in the slide groove to the front or rear of the corresponding two limit cavities, and finally fix the towing hook on the second fixing plate 31 by bolts, nuts, flat washers and spring washers, so as to fix the towing hook.

[0060] By making a plurality of limiting cavities in the first fixing plate 11, the second fixing plate 31 of the trailer can be placed in different positions, so that the trailer hook can be moved forward and backward to different positions for fixing, thereby realizing hiding and changing different positions of the trailer hook. In addition, the rotating trailer hook is fixed to the first fixing plate 11 by bolts and nuts at 90 degrees, which can realize another installation method of the trailer hook.

[0061] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a vehicle is provided, including a towing hook device, the towing hook device is the towing hook device mentioned above, and the first fixing assembly 1 is detachably connected to the vehicle frame 8.

[0062] Compared with the old trailer hook installation scheme, it can be seen that the new trailer hook installation device has the following advantages:

[0063] 1. The trailer hook can be freely disassembled and assembled. The original trailer hook is welded, while the new trailer hook adopts a screw connection structure;

[0064] 2. The new trailer hook can move freely forward and backward, so as to achieve the purpose of hiding the trailer hook, saving space in the front and not interfering with the front frame.

[0065] 3. The new tow hook adopts a welding mode, which is more cost-effective than traditional machining and mold parts.

[0066] 4. The trailer hook can be rotated 90° for installation, providing an additional installation option according to different situations. Fig. 9 As shown, the trailer hook can be installed by rotating 90°, so that the trailer hook can be installed in different ways according to the actual situation to achieve the purpose of towing the vehicle.

[0067] From the above description, it can be seen that the above embodiments of the utility model achieve the following technical effects:

[0068] 1. Easy to operate, simple to manufacture and use. The entire tow hook assembly is screwed for easy disassembly and installation, and is convenient for implementation on vehicles.

[0069] 2. Solved the problem of the need to extend and retract the tow hook during use.

[0070] 3. Solve the problem of hidden installation of the tow hook when it is not in use.

[0071] 4. Prevents the tow hook from interfering with the vehicle body during use.

[0072] 5. The trailer hook can be rotated 90° during installation, providing more options for towing.

[0073] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0074] In addition to the above, it should be noted that "one embodiment", "another embodiment", "embodiment", etc. mentioned in this specification refer to the specific features, structures or characteristics described in conjunction with the embodiment included in at least one embodiment generally described in this application. The same expression appearing in multiple places in the specification does not necessarily refer to the same embodiment. Further, when describing a specific feature, structure or characteristic in conjunction with any embodiment, it is claimed that the realization of such feature, structure or characteristic in conjunction with other embodiments also falls within the scope of the present utility model.

[0075] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0076] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A towing hook device, characterized in that: include: A first fixing component (1), the first fixing component (1) is arranged to extend along a first direction, and a sliding groove (2) is provided on the inner side of the first fixing component (1); a second fixing component (3), the second fixing component (3) being arranged in the slide groove (2), and the second fixing component (3) being movably arranged relative to the first fixing component (1) along the first direction; A towing hook assembly (4), wherein the towing hook assembly (4) is connected to the second fixing assembly (3); The first fixing component (1) is provided with a plurality of limiting cavities (5) spaced apart along the first direction, the second fixing component (3) has a plurality of working positions correspondingly installed in each of the limiting cavities (5), and when the second fixing component (3) is located at different working positions, the length of the portion of the towing hook component (4) entering the slide groove (2) is different.

2. The towing hook device according to claim 1, characterized in that: The towing hook device further comprises: a locking assembly (6), wherein the locking assembly (6) is located in the slide groove (2), the locking assembly (6) is detachably connected to the first fixing assembly (1), and the locking assembly (6) is used to lock the second fixing assembly (3) in one of the plurality of limiting cavities (5).

3. The towing hook device according to claim 2, characterized in that: The first fixing assembly (1) comprises two first fixing plates (11), the slide groove (2) being formed between the two first fixing plates (11), the two first fixing plates (11) being symmetrically arranged about a center plane of the slide groove (2) along a second direction, the second direction being perpendicular to the first direction, and the two first fixing plates (11) being provided with a plurality of the limiting cavities (5) at corresponding positions.

4. The towing hook device according to claim 3, characterized in that: The first fixing plate (11) comprises a main body (111), the top end of the main body (111) is bent toward the slide groove (2) to form an upper folding edge (112), and the bottom end of the main body (111) is bent toward the slide groove (2) to form a lower folding edge (113), the projections of the upper folding edge (112) and the lower folding edge (113) along the height direction of the main body (111) coincide, the upper folding edge (112) is provided with a plurality of upper limiting grooves at intervals along the first direction, and the lower folding edge (113) is provided with a plurality of lower limiting grooves at intervals along the first direction, and the plurality of upper limiting grooves are provided correspondingly to the lower limiting grooves, and one upper limiting groove and the corresponding lower limiting groove together form the limiting cavity (5) for installing the second fixing assembly (3).

5. The towing hook device according to claim 4, characterized in that: The second fixing assembly (3) comprises two second fixing plates (31), the two second fixing plates (31) are respectively arranged on the inner sides of the two first fixing plates (11), and the two second fixing plates (31) are symmetrically arranged about the central plane of the slide groove (2) along the second direction. When the second fixing assembly (3) is located at any of the working positions, the two ends of the second fixing plate (31) in the height direction are respectively connected to the two ends of the corresponding first fixing plate (11) in the height direction, and the top end of the second fixing plate (31) is located in the upper limiting groove on the first fixing plate (11) corresponding to the working position, and the bottom end of the second fixing plate (31) is located in the lower limiting groove on the first fixing plate (11) corresponding to the working position.

6. The towing hook device according to claim 5, characterized in that: A plurality of groups of locking holes (7) are arranged at intervals along the first direction on the end surface of at least one of the upper folding edge (112) and the lower folding edge (113) facing the central plane, and the plurality of groups of locking holes (7) are arranged in a one-to-one correspondence with the plurality of limiting cavities (5). There are a plurality of locking assemblies (6), and the plurality of locking assemblies (6) are arranged in a one-to-one correspondence with the plurality of groups of locking holes (7). A single locking assembly (6) is connected to the first fixing plate (11) via the corresponding locking hole (7).

7. The towing hook device according to claim 6, characterized in that: The locking assembly (6) comprises: a locking body (61), wherein when the second fixing plate (31) is installed in the limiting cavity (5), the end surface of the locking body (61) abuts against the end surface of the second fixing plate (31) and the end surface of the first fixing plate (11) at the same time, and the locking body (61) is used to prevent the second fixing plate (31) from withdrawing from the limiting cavity (5) along the second direction; A locking bolt (62), wherein the locking bolt (62) is used to connect the locking body (61) and the first fixing plate (11) through the locking hole (7).

8. The towing hook device according to claim 1, characterized in that: The towing hook assembly (4) comprises: A trailer hook connecting plate (41), the trailer hook connecting plate (41) being located in the slide groove (2), and the trailer hook connecting plate (41) being connected to the second fixing assembly (3); A trailer hook latch plate (42), wherein there are two trailer hook latch plates (42), and the two trailer hook latch plates (42) are respectively connected to the top end and the bottom end of the trailer hook connecting plate (41), one end of the trailer hook latch plate (42) is connected to an end of the trailer hook connecting plate (41) away from the second fixing component (3), and the other end of the trailer hook latch plate (42) is extended in a direction away from the trailer hook connecting plate (41).

9. The towing hook device according to claim 8, characterized in that: The towing hook assembly (4) comprises: A trailer hook pin (43), the two ends of which are respectively connected to the two trailer hook latch plates (42); A locking pin (44) is connected to the end of the trailer hook pin (43) located outside the trailer hook latch plate (42).

10. A vehicle, comprising a towing hook device, characterized in that: The towing hook device is the towing hook device according to any one of claims 1 to 9, and the first fixing component (1) is detachably connected to the vehicle frame (8).

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