Dragging structure and vehicle
By using at least two pins in the drag structure and inserting them into the through holes of the outer tube and the inner tube in sequence, the problem of insufficient strength of the pin and pin hole in the prior art is solved, and the reliability of the drag structure is significantly improved.
Patent Information
- Application Number
- CN202420573171.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-22
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-03-22
AI Technical Summary
The existing drag structure has insufficient strength of the pins and pin holes, resulting in improved reliability.
At least two latches are used, and the latch is inserted into the first through-hole of the outer tube and the second through-hole of the inner tube in sequence, increasing the assembly strength of the latch and through-hole.
By increasing the number and structure of latches and through holes, the assembly strength of latches and through holes is improved, and the reliability of the drag structure is enhanced.
Smart Images
Figure CN222572019U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of towing structures, and in particular to a towing structure and a vehicle. Background Art
[0002] The vehicles are usually connected by a towing structure, and the front vehicle can tow the rear vehicle when the connection between the vehicles is realized. For example, the front vehicle is equipped with a towing structure, and the towing structure is connected to the RV.
[0003] In the prior art, the towing structure usually adopts a plug that is inserted into pin holes at different positions to achieve telescopic and change the length to adapt to different vehicle models. However, the strength of the plug and the pin hole of the towing structure is not enough, which easily causes the reliability of the pin hole or the plug to be improved. Utility Model Content
[0004] The present application provides a dragging structure to solve the technical problem in the related art that the reliability of the pin hole or the plug pin of the dragging structure needs to be improved.
[0005] The first aspect of the present application provides a drag structure, including:
[0006] The outer tube is provided with at least two first through holes;
[0007] An inner tube, located inside the outer tube, and provided with a second through hole;
[0008] A movable pin assembly is arranged on the outer tube, and the movable pin assembly includes at least two latch pins;
[0009] Wherein, the number of the second through holes is greater than the number of the first through holes;
[0010] The latch is inserted into the corresponding first through hole and the corresponding second through hole in sequence.
[0011] According to the above technical means, since at least two latches are used, the assembly strength of the latch and the through hole is increased, the latch and the through hole are not easily deformed, and are more secure. In addition, the latch passes through the first through hole and the second through hole in sequence, which is also conducive to increasing the assembly strength of the latch and the through hole, and the latch and the through hole are not easily deformed, and are more secure.
[0012] Optionally, the movable pin assembly further comprises:
[0013] Connecting piece, connected with all the latches;
[0014] A chute, disposed on the outer tube;
[0015] An elastic member, two ends of which are respectively connected to the outer tube and the connecting member;
[0016] A slider connected to the connecting member;
[0017] Wherein, the sliding block slides in the sliding groove.
[0018] According to the above technical means, when the slider moves in the slide groove, it will move with the latch, thereby realizing the insertion or extraction of the latch.
[0019] Optionally, a hand piece is provided on the connecting piece.
[0020] According to the above technical means, by holding the handpiece and pulling it upward, the elastic member can be deformed and elongated, and the latch moves upward and is pulled out from the first through hole and the second through hole.
[0021] Optionally, a notch is provided on the sliding block, and a limiting portion is provided at the notch of the sliding groove, and the limiting portion abuts against the notch.
[0022] According to the above technical means, the limiting portion is located at the notch, thereby limiting the slider and preventing the slider from detaching from the notch.
[0023] Optionally, there are two slide grooves, two sliders, and the sliders are located in corresponding slide grooves.
[0024] According to the above technical means, the slider is not prone to shaking when sliding in the slide groove, which is beneficial to improving the sliding stability of the slider.
[0025] Optionally, there are two elastic members, and the two elastic members are arranged corresponding to the two sliding blocks.
[0026] According to the above technical means, providing two elastic members is also conducive to the stable sliding of the slider in the slide groove.
[0027] Optionally, a connecting ball head is provided on the inner tube.
[0028] According to the above technical means, by using a connecting ball head to connect to another vehicle, different vehicle models can be adapted, thereby improving the applicability of the towing structure.
[0029] Optionally, the height of the connecting ball head is lower than the height of the outer tube.
[0030] According to the above technical means, when the height of the connecting ball head is configured to be at a shorter position, it is convenient for the connecting ball head to be connected to the front of another vehicle.
[0031] Optionally, there are two first through holes, a connecting line direction of the two first through holes forms an angle with a length direction of the outer tube, and there are two rows of second through holes.
[0032] According to the above technical means, the pin can be inserted into one of the corresponding second through holes in a row. When the pin is inserted into different second through holes in a row, the relative positions of the outer tube and the inner tube are different, and the length of the towing structure is also different.
[0033] Optionally, the first through holes are arranged along the length direction of the outer tube, and the second through holes are arranged in one row.
[0034] According to the above technical means, the first through holes are arranged along the length direction of the outer tube, the number of the first through holes can be more, and the number of the latches can also be more.
[0035] A second aspect of the present application provides a vehicle, comprising: a towing structure as described in the above embodiment.
[0036] The beneficial effects of the present application are as follows: by using at least two latches, the assembly strength of the latch and the through hole is increased, the latch and the through hole are not easily deformed, and are more secure. In addition, the latch passes through the first through hole and the second through hole in sequence, which is also conducive to increasing the assembly strength of the latch and the through hole, the latch and the through hole are not easily deformed, and are more secure. BRIEF DESCRIPTION OF THE DRAWINGS
[0037] Figure 1 is a structural schematic diagram of a towing structure and a frame provided according to an embodiment of the present application;
[0038] Figure 2 is a first structural schematic diagram of a drag structure of a specific embodiment of the present application;
[0039] Figure 3 is a first structural schematic diagram of a movable pin assembly of a specific embodiment of the present application;
[0040] Figure 4 This is a schematic diagram of the structure of a chute in a specific embodiment of the present application;
[0041] Figure 5 This is a schematic diagram of the structure of an outer tube of a specific embodiment of the present application;
[0042] Figure 6 is a schematic structural diagram of an inner tube of a specific embodiment of the present application;
[0043] Figure 7 is a second structural schematic diagram of a movable pin assembly of a specific embodiment of the present application;
[0044] Figure 8 It is a second structural schematic diagram of the dragging structure of a specific embodiment of the present application.
[0045] Among them, 1-outer tube; 11-first through hole; 2-inner tube; 21-second through hole; 22-connecting ball head; 23-mounting plate; 3-movable pin assembly; 31-pin; 32-connecting piece; 33-slide groove; 331-limiting part; 34-elastic piece; 35-slider; 351-notch; 36-hand piece; 37-hook. DETAILED DESCRIPTION
[0046] Embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.
[0047] Please also see Figure 1-Figure 8 , the present application provides some embodiments of a drag structure.
[0048] like Figure 1 , Figure 2 , Figure 5 as well as Figure 6 As shown, the dragging structure of the present application comprises: an outer tube 1, an inner tube 2 and a movable pin assembly 3. The outer tube 1 is provided with at least two first through holes 11; the inner tube 2 is located inside the outer tube 1 and is provided with a second through hole 21; the movable pin assembly 3 is provided on the outer tube 1, and the movable pin assembly 3 comprises at least two latches 31; the number of the second through holes 21 is greater than the number of the first through holes 11; the latches 31 are sequentially inserted into the corresponding first through holes 11 and the corresponding second through holes 21.
[0049] Specifically, the outer tube 1 refers to a tube body sleeved outside the inner tube 2, and the inner tube 2 refers to a tube body inserted into the outer tube 1. The shapes of the outer tube 1 and the inner tube 2 can be the same, and the shapes of the outer tube 1 and the inner tube 2 can be rectangular, circular, etc. The outer tube 1 is provided with a first through hole 11, and the inner tube 2 is provided with a second through hole 21. The first through hole 11 and the second through hole 21 are used as pin holes for inserting and pulling out the plug 31. The movable pin assembly 3 refers to an assembly that realizes the movement of the plug 31. The plug 31 is inserted into the first through hole 11 and the second through hole 21, and pulled out from the first through hole 11 and the second through hole 21 through the movable pin assembly 3. Since the movable pin assembly 3 has at least two latches 31, at least two latches 31 are respectively located at the positions of the corresponding first through holes 11, and at least two latches 31 can also be inserted into the second through holes 21 at different positions. Since the number of second through holes 21 is greater than the number of first through holes 11, the second through holes 21 can be made to correspond to different first through holes 11 when the inner tube 2 is moved, so the towing structure can present different lengths. The outer tube 1 is used to connect a vehicle, and the inner tube 2 is used to connect another vehicle. Usually, the outer tube 1 is fixedly connected to the rear of the vehicle, and the inner tube 2 is connected to the front of another vehicle.
[0050] Since at least two latches 31 are used, the assembly strength of the latches 31 and the through holes is increased, the latches 31 and the through holes are not easily deformed, and are more secure. In addition, the latches 31 pass through the first through holes 11 and the second through holes 21 in sequence, which is also conducive to increasing the assembly strength of the latches 31 and the through holes, the latches 31 and the through holes are not easily deformed, and are more secure.
[0051] In one implementation of the embodiment of the present application, Figure 5 and Figure 6 As shown, there are two first through holes 11 , the connecting line direction of the two first through holes 11 forms an angle with the length direction of the outer tube 1 , and there are two rows of second through holes 21 .
[0052] Specifically, there are two first through holes 11, and then there are two latches 31. The line connecting the two first through holes 11 forms an angle with the length direction of the outer tube 1, and the angle is an acute angle or a right angle. There are two rows of second through holes 21, each first through hole 11 corresponds to a row of second through holes 21, and each latch 31 corresponds to a row of second through holes 21. The latch 31 can be inserted into one of the second through holes 21 in the corresponding row. When the latch 31 is inserted into different second through holes 21 in the row of second through holes 21, the relative positions of the outer tube 1 and the inner tube 2 are different, and the length of the towing structure is also different.
[0053] In an implementation of the embodiment of the present application, the first through holes 11 are arranged along the length direction of the outer tube 1 , and the second through holes 21 are arranged in one row.
[0054] Specifically, at least two first through holes 11 are arranged along the length direction of the outer tube 1, and the second through holes 21 form a row. The latch 31 can be inserted into at least two of the second through holes 21 in the row. When the latch 31 is inserted into two different second through holes 21 in the row of second through holes 21, the relative positions of the outer tube 1 and the inner tube 2 are different, and the length of the towing structure is also different. The number of first through holes 11 can be set to be more, and the number of latches 31 can also be equipped with more.
[0055] In one implementation of the embodiment of the present application, Figure 2-Figure 4 , Figure 7 as well as Figure 8 As shown, the movable pin assembly 3 further includes: a connecting member 32, a sliding groove 33, an elastic member 34 and a sliding block 35. The connecting member 32 is connected to all the latches 31; the sliding groove 33 is arranged on the outer tube 1; the two ends of the elastic member 34 are respectively connected to the outer tube 1 and the connecting member 32; the sliding block 35 is connected to the connecting member 32; and the sliding block 35 slides in the sliding groove 33.
[0056] Specifically, the connecting member 32 connects all the latches 31, and the connecting member 32 also connects the slider 35 and the elastic member 34. The elastic member 34 is located between the slider 35 and the latches 31. The extension direction of the slide groove 33 is consistent with the length direction of the latches 31. When the slider 35 moves in the slide groove 33, it will move with the latches 31, thereby realizing the insertion or extraction of the latches 31. The slide groove 33 has a guiding effect on the movement of the slider 35, the connecting member 32 and the latches 31. In order to limit the movement of the latches 31 and prevent the latches 31 from being separated from the first through hole 11 and the second through hole 21, the elastic member 34 is used to connect the outer tube 1 and the connecting member 32, and the elastic force of the elastic member 34 is used to limit the upward movement of the connecting member 32 and the latches 31, and to separate from the first through hole 11 and the second through hole 21.
[0057] The elastic member 34 can be a spring, and hooks 37 are respectively provided on the outer tube 1 and the connecting member 32, and the end of the spring is hung on the outer tube 1 or the connecting member 32. Mounting holes are respectively provided on the connecting member 32 and the outer tube 1 for mounting the hooks 37. When the spring fails, the spring can be replaced more easily. In addition, the slider 35, the connecting member 32 and the latch 31 can also be easily replaced.
[0058] In one implementation of the embodiment of the present application, Figure 2-Figure 4 , Figure 7 as well as Figure 8 As shown, a hand piece 36 is provided on the connecting piece 32 .
[0059] Specifically, a hand piece 36 is provided on the connecting member 32, and the hand piece 36 is held by the user's hand or fingers. By holding the hand piece 36 and pulling it upward, the elastic member 34 can be deformed and elongated, and the pin 31 can move upward and be pulled out from the first through hole 11 and the second through hole 21.
[0060] In one implementation of the embodiment of the present application, Figure 3 , Figure 4 as well as Figure 7 As shown, a notch 351 is provided on the slider 35 , and a limiting portion 331 is provided at the notch of the slide slot 33 , and the limiting portion 331 abuts against the notch 351 .
[0061] Specifically, a notch 351 is formed on the slider 35, and a limiting portion 331 is provided on the slide 33. The limiting portion 331 is located at the notch 351, so as to limit the slider 35 and prevent the slider 35 from being separated from the notch. In order to facilitate installation and disassembly, the lower end of the slide 33 may not be closed, so that the slider 35 can be separated from the lower end of the slide 33. There may be two notches 351, which are respectively located on both sides of the slider 35, and there may be two limiting portions 331, which are respectively located on both sides of the slide 33, which is conducive to the stable sliding of the slider 35 in the slide 33. When the slider 35 abuts against the lower end of the slide 33 or the outer tube 1, the elastic member 34 is still in a stretched state, and still forms a pulling force on the connecting member 32, so that the latch 31 is not easy to be pulled out of the first through hole 11 and the second through hole 21 upward. The length of the slider 35 is smaller than that of the latch 31 . When the slider 35 abuts against the lower end of the slide groove 33 or the outer tube 1 , the latch 31 is inserted into the first through hole 11 and the second through hole 21 in sequence.
[0062] In one implementation of the embodiment of the present application, Figure 2 , Figure 7 as well as Figure 8 As shown, there are two slide grooves 33 and two sliders 35 , and the sliders 35 are located in the corresponding slide grooves 33 .
[0063] Specifically, there are two slide grooves 33 and two sliders 35, and the sliders 35 slide in the corresponding slide grooves 33. With two sliders 35 and two slide grooves 33, when the slider 35 slides in the slide groove 33, it is not easy to shake, which is conducive to improving the sliding stability of the slider 35.
[0064] In one implementation of the embodiment of the present application, Figure 2 and Figure 8 As shown, there are two elastic members 34 , and the two elastic members 34 are arranged correspondingly to the two sliding blocks 35 .
[0065] Specifically, two elastic members 34 may be provided, respectively located between the corresponding slider 35 and the corresponding latch 31. Providing two elastic members 34 is also conducive to the stable sliding of the slider 35 in the slide slot 33.
[0066] In one implementation of the embodiment of the present application, Figure 1 and Figure 2 As shown, a connecting ball head 22 is provided on the inner tube 2.
[0067] Specifically, a connecting ball head 22 is provided on the inner tube 2, and the connecting ball head 22 is used to connect another vehicle. The connecting ball head 22 is used to connect another vehicle, and different vehicle models can be adapted, thereby improving the application range of the towing structure.
[0068] In one implementation of the embodiment of the present application, Figure 1 and Figure 2As shown, the height of the connecting ball head 22 is lower than the height of the outer tube 1 .
[0069] Specifically, the height of the connecting ball head 22 is lower than the height of the outer tube 1. Usually, the height of the rear of the vehicle is higher, while the height of the front is lower. The outer tube 1 is connected to the rear of the vehicle, and the connecting ball head 22 is connected to the front of another vehicle. When the height of the connecting ball head 22 is configured to be at a lower position, it is convenient to connect the connecting ball head 22 to another vehicle. The connecting ball head 22 is connected to the inner tube 2 through the mounting plate 23. The mounting plate 23 is V-shaped. The two sides of the V-shaped mounting plate 23 are respectively connected to the inner tube 2 and the connecting ball head 22, and an obtuse angle is formed between the two sides of the V-shaped mounting plate 23. The connecting ball head 22 can be bolted to one side of the V-shaped mounting plate 23, or welded to one side of the V-shaped mounting plate 23. The other side of the V-shaped mounting plate 23 is welded to the inner tube 2.
[0070] In addition, based on the towing structure of any one of the above embodiments, an embodiment of the present application further proposes a vehicle, which includes the towing structure of the above embodiment.
[0071] In the description of this specification, the description with reference to the terms "embodiment", "any embodiment" or "implementation" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or implementation are included in at least one embodiment or implementation of the present application. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or implementation. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or implementations in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or implementations described in this specification and the features of the different embodiments or implementations, unless they are contradictory.
[0072] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features.
Claims
1. A dragging structure, characterized in that: include: The outer tube is provided with at least two first through holes; An inner tube, located inside the outer tube, and provided with a second through hole; A movable pin assembly is arranged on the outer tube, and the movable pin assembly includes at least two latch pins; Wherein, the number of the second through holes is greater than the number of the first through holes; The latch is inserted into the corresponding first through hole and the corresponding second through hole in sequence.
2. The dragging structure according to claim 1, characterized in that: The movable pin assembly also includes: Connecting piece, connected with all the latches; A chute, disposed on the outer tube; An elastic member, two ends of which are respectively connected to the outer tube and the connecting member; A slider connected to the connecting member; Wherein, the sliding block slides in the sliding groove.
3. The dragging structure according to claim 2, characterized in that: A hand piece is arranged on the connecting piece.
4. The dragging structure according to claim 2, characterized in that: The sliding block is provided with a notch, the notch of the sliding slot is provided with a limiting portion, and the limiting portion abuts against the notch.
5. The dragging structure according to claim 2, characterized in that: There are two slide grooves and two sliders, and the sliders are located in the corresponding slide grooves.
6. The dragging structure according to claim 5, characterized in that: There are two elastic members, and the two elastic members are arranged correspondingly to the two sliding blocks.
7. The dragging structure according to claim 1, characterized in that: A connecting ball head is arranged on the inner tube.
8. The dragging structure according to claim 7, characterized in that: The height of the connecting ball head is lower than the height of the outer tube.
9. The dragging structure according to any one of claims 1 to 8, characterized in that: There are two first through holes, a connecting line direction of the two first through holes forms an angle with the length direction of the outer tube, and there are two rows of second through holes.
10. The dragging structure according to any one of claims 1 to 8, characterized in that: The first through holes are arranged along the length direction of the outer tube, and the second through holes are arranged in a row.
11. A vehicle, characterized in that: include: A drag structure as claimed in any one of claims 1 to 10.