Folding draw bar
By designing a folding tow bar, combined with the hinge and locking mechanism of the main bar and the auxiliary bar, the shortcomings of integral and telescopic tow bars are solved, achieving a towing effect that is high-strength, easy to store and operate.
Patent Information
- Application Number
- CN202423189066.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-24
AI Technical Summary
Existing integral drawbars are heavy, have a fixed length, and are cumbersome to operate, while telescopic drawbars are not strong enough to meet the needs of large-tonnage tractors.
Design a folding tow bar, including a main bar and a secondary bar, which achieves switching between folded and unfolded states through a hinge and locking mechanism. One end of the main bar is hinged to the towing vehicle, and the secondary bar is locked to the towing vehicle in the folded state and connected to the vehicle to be towed in the unfolded state. High-strength materials such as stainless steel are used to improve strength and stability.
It provides high overall strength, reduces safety hazards, meets the needs of heavy tonnage traction, and reduces space occupation when folded, making it easy to store and carry, and easy to operate.
Smart Images
Figure CN223466958U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of traction tools, in particular to a folding towing bar. BACKGROUND
[0002] Towing bars are widely used for connecting two vehicles for towing or rescue operations. The towing bars on the market are mainly divided into two categories: integral towing bars and telescopic towing bars. The integral towing bar usually has high strength and can withstand a large towing force. However, the integral towing bar is heavy, has a fixed length and is long, and is inconvenient to store and carry. It often requires multiple people to cooperate when installing and disassembling, and the operation is cumbersome.
[0003] In comparison, the telescopic towing bar has obvious advantages in storage, portability and operation convenience. However, the telescopic towing bar is relatively weak in strength, especially when it comes to withstanding a large towing force, which poses a safety hazard. Due to the strength limitation, the maximum towing weight of the telescopic towing bar is low, making it difficult to meet the needs of large-tonnage towing vehicles. SUMMARY
[0004] To solve the above technical problems, the purpose of the utility model is to provide a folding towing bar, which aims to provide greater strength while being convenient to store, carry and operate.
[0005] The technical solutions provided by the utility model are as follows:
[0006] A folding towing bar is installed on a towing vehicle and has a folded state and an unfolded state relative to the towing vehicle. The towing bar comprises:
[0007] a main rod, one end of which is hinged to the towing vehicle, and the other end of which is locked to the towing vehicle in the folded state;
[0008] a sub-rod, one end of which is hinged to the main rod, and the other end of which is locked to the towing vehicle in the folded state; in the unfolded state, one end of the sub-rod is locked to the main rod, and the other end of the sub-rod is used to connect to a vehicle to be towed.
[0009] Further, the main rod comprises a main rod body, a first end and a second end located at both ends of the main rod body, the first end is hinged to the towing vehicle, and the second end is locked to the towing vehicle by a first locking device in the folded state.
[0010] Further, the sub-rod comprises a sub-rod body, a third end and a fourth end located at both ends of the sub-rod body, the third end is hinged to the main rod body by a hinge, and the fourth end is locked to the towing vehicle by a second locking device in the folded state.
[0011] Further, the auxiliary rod body is provided with a receiving groove, and the first end is located in the receiving groove in the folded state.
[0012] Further, the first locking device comprises:
[0013] a first locking hole arranged on the towing vehicle;
[0014] a second locking hole arranged on the second end;
[0015] a first locking pin connected between the first locking hole and the second locking hole in the folded state.
[0016] Further, the second locking device comprises:
[0017] a third locking hole arranged on the towing vehicle;
[0018] a fourth locking hole arranged on the fourth end;
[0019] a second locking pin connected between the third locking hole and the fourth locking hole in the folded state.
[0020] Further, the auxiliary rod is provided with a fifth locking hole, and the second locking hole is aligned with the fifth locking hole in the unfolded state, and one of the first locking pin and the second locking pin is connected between the second locking hole and the fifth locking hole.
[0021] Further, the towing vehicle is provided with a first mounting plate and a second mounting plate, and the first locking hole and the third locking hole are arranged on the first mounting plate and the second mounting plate respectively.
[0022] Further, the hinge comprises a hinge hole and a hinge shaft matched with the hinge hole;
[0023] The hinge shaft, the first locking pin and the second locking pin are made of stainless steel.
[0024] Further, the auxiliary rod is provided with a handle.
[0025] Compared with the prior art, the folding towing rod provided by the embodiment of the utility model has at least the following technical effects:
[0026] The traction rod is installed on the towing vehicle and can be switched between a folded state and an unfolded state. The traction rod comprises a main rod and a sub rod, one end of the main rod is hinged to the towing vehicle. In the folded state, the other end of the main rod is locked on the towing vehicle; one end of the sub rod is hinged to the main rod, and the other end is also locked on the towing vehicle in the folded state. In the unfolded state, one end of the sub rod is locked on the main rod, and the other end is used to be connected with the towing vehicle to be towed. The folding traction rod has compact structure, can provide high overall strength in the unfolded state, bear large traction force, reduce safety hazards, and can meet the traction demand of large-tonnage towing vehicles; and in the folded state, the main rod and the sub rod are respectively locked on the towing vehicle, so that the occupied space of the traction rod is effectively reduced, and storage and carrying are facilitated. Through the hinging and locking mechanism, the traction rod can be quickly unfolded or folded, the operation is simple, and the installation and disassembly process is simplified without the need for multiple people to cooperate. BRIEF DESCRIPTION OF DRAWINGS
[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, a brief introduction will be given to the drawings needed in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art without creative labor.
[0028] Figure 1 FIG. 1 is a structural schematic view of a folding traction rod in an embodiment of the present application;
[0029] Figure 2 FIG. 2 is a structural schematic view of the folding traction rod from another perspective in an embodiment of the present application;
[0030] Figure 3 FIG. 3 is a front view of the folding traction rod; Figure 1 FIG. 4 is a top view of the folding traction rod.
[0031] Figure 4 FIG. 5 is a front view of the folding traction rod. Figure 1 FIG. 6 is a top view of the folding traction rod.
[0032] Reference signs:
[0033] 10, main rod; 11, main rod body; 12, first end; 13, second end; 20, sub rod; 21, sub rod body; 211, receiving groove; 22, third end; 23, fourth end; 24, fifth locking hole; 25, handle; 30, first locking device; 31, second locking hole; 32, first locking pin; 40, second locking device; 41, fourth locking hole; 42, second locking pin; 50, hinge. DETAILED DESCRIPTION
[0034] In order to make the technical scheme of the present application better understood by those skilled in the art, the technical scheme in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0035] It should be noted that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
[0036] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0037] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of", "several" is two or more, unless otherwise explicitly specified.
[0038] It should be understood that the structures, proportions, sizes, etc. shown in the drawings of the present application are only used to cooperate with the content disclosed in the description, to enable those skilled in the art to understand and read, and do not define the limiting conditions for the implementation of the present application, and therefore do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, which does not affect the effects that can be produced by the present application and the purposes that can be achieved, should still fall within the scope of the technical content disclosed by the present application.
[0039] Please refer to the accompanying drawings Figure 1 to the accompanying drawings Figure 4The utility model discloses an embodiment provides a kind of folding towbar, towbar is installed on towing vehicle, and it has folding state and unfolded state relative to towing vehicle, towbar includes main rod 10 and auxiliary rod 20, one end of main rod 10 is hinged to towing vehicle, in folding state, the other end of main rod 10 is locked on towing vehicle;One end of auxiliary rod 20 is hinged to main rod 10, in folding state, the other end of auxiliary rod 20 is locked on towing vehicle;In unfolded state, one end of auxiliary rod 20 is locked on main rod 10, and the other end of auxiliary rod 20 is used to be connected with the towing vehicle to be connected.
[0040] In the embodiment, the towbar is installed on the towing vehicle and can be switched between the folded state and the unfolded state. The towbar includes a main rod 10 and an auxiliary rod 20. One end of the main rod 10 is hinged to the towing vehicle. In the folded state, the other end of the main rod 10 is locked on the towing vehicle. One end of the auxiliary rod 20 is hinged to the main rod 10, and the other end is also locked on the towing vehicle in the folded state. In the unfolded state, one end of the auxiliary rod 20 is locked on the main rod 10, and the other end is used to be connected with the towing vehicle to be connected. The folding towbar has a compact structure and can provide high overall strength in the unfolded state, withstand large towing force, reduce safety hazards, and meet the towing requirements of large-tonnage towing vehicles. In the folded state, the main rod 10 and the auxiliary rod 20 are locked on the towing vehicle, effectively reducing the occupied space of the towbar and facilitating storage and carrying. Through the hinging and locking mechanism, the towbar can be quickly unfolded or folded, and the operation is simple and convenient without the need for multiple people to cooperate, simplifying the installation and disassembly process.
[0041] In some optional embodiments, the main rod 10 includes a main rod body 11, a first end 12 and a second end 13 located at both ends of the main rod body 11. The first end 12 is hinged to the towing vehicle, and in the folded state, the second end 13 is locked on the towing vehicle by the first locking device 30.
[0042] In some optional embodiments, the auxiliary rod 20 includes an auxiliary rod body 21, a third end 22 and a fourth end 23 located at both ends of the auxiliary rod body 21. The third end 22 is hinged to the main rod body 11 by the hinge 50, and in the folded state, the fourth end 23 is locked on the towing vehicle by the second locking device 40.
[0043] In some optional embodiments, the auxiliary rod body 21 is provided with a receiving groove 211, and in the folded state, the first end 12 is located in the receiving groove 211.
[0044] In some optional embodiments, the first locking device 30 includes a first locking hole, a second locking hole 31 and a first locking pin 32. The first locking hole is provided on the towing vehicle, the second locking hole 31 is provided on the second end 13, and in the folded state, the first locking pin 32 is connected between the first locking hole and the second locking hole 31.
[0045] In some alternative embodiments, the second locking device 40 comprises a third locking hole, a fourth locking hole 41 and a second locking pin 42. The third locking hole is arranged on the towing vehicle; the fourth locking hole 41 is arranged on the fourth end 23; and the second locking pin 42 is connected between the third locking hole and the fourth locking hole 41 in the folded state.
[0046] In some alternative embodiments, the auxiliary rod 20 is provided with a fifth locking hole 24, the second locking hole 31 is aligned with the fifth locking hole 24 in the unfolded state, and one of the first locking pin 32 and the second locking pin 42 is connected between the second locking hole 31 and the fifth locking hole 24 to ensure the stability of the towing rod. Further, the other one of the first locking pin 32 and the second locking pin 42 is used to connect the fourth locking hole 41 and the towing vehicle. In the folded state, the fifth locking hole 24 and the second locking hole 31 are respectively located on both sides of the hinge 50.
[0047] In some alternative embodiments, the towing vehicle is provided with a first mounting plate and a second mounting plate, and the first locking hole and the third locking hole are respectively arranged on the first mounting plate and the second mounting plate. It should be further pointed out that the towing vehicle is provided with a mounting seat between the first mounting plate and the second mounting plate, and the first end 12 of the main rod 10 is hinged to the mounting seat.
[0048] In some alternative embodiments, the hinge 50 comprises a hinge hole and a hinge shaft matched with the hinge hole, so that the main rod 10 and the auxiliary rod 20 can rotate relative to each other within a certain angle range, thereby realizing the folding and unfolding of the towing rod.
[0049] In some alternative embodiments, the towing rod is made of high-strength material, and the specific material can include but is not limited to stainless steel. The use of high-strength material ensures the strength and stability of the towing rod when it bears a large towing force. In addition, the folding towing rod is particularly suitable for the operation of explosion-proof towing vehicles in explosive hazardous areas, and can effectively meet the safety requirements in harsh environments.
[0050] In a specific embodiment, the hinge shaft, the first locking pin 32 and the second locking pin 42 are all made of stainless steel. The hinge shaft, the first locking pin 32 and the second locking pin 42 made of stainless steel can provide the required strength and stability during towing, while also providing reliable safety protection during the folding and unfolding of the towing rod.
[0051] In some alternative embodiments, the auxiliary rod 20 is provided with a handle 25. Specifically, two handles 25 are arranged on the upper part of the auxiliary rod 20, which facilitates the switching of the towing rod between the folded state and the unfolded state. The arrangement of the handle 25 not only improves the convenience of operation, but also makes it easier for users to adjust the state of the towing rod, and also provides convenience for disassembly and maintenance of the towing rod.
[0052] The operation process of the folding towing bar is as follows: firstly, the first locking pin 32 and the second locking pin 42 are removed; then, the auxiliary rod 20 is pulled to rotate the auxiliary rod 20 around the hinge shaft relative to the main rod 10 until the towing bar is in the unfolded state; at this time, the auxiliary rod 20 is locked on the main rod 10, and the other end of the auxiliary rod 20 is connected with a towing vehicle to be connected to complete the towing work; after the towing work is completed, firstly, the connection between the main rod 10 and the auxiliary rod 20 is unlocked; then, the auxiliary rod 20 is pulled to rotate around the hinge shaft again until the towing bar returns to the folded state; finally, the first locking pin 32 and the second locking pin 42 are installed into the corresponding locking holes of the main rod 10 and the auxiliary rod 20 to ensure that the towing bar is stably locked in the folded state, so that compact storage is realized.
[0053] The above description of disclosed embodiments enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A folding tow bar, characterised in that, The towing bar is mounted on a towing vehicle and has a folded state and an unfolded state relative to the towing vehicle, and the towing bar comprises: a main rod, one end of which is hinged to the towing vehicle, and the other end of which is locked to the towing vehicle in the folded state; a sub rod, one end of which is hinged to the main rod, and the other end of which is locked to the towing vehicle in the folded state, and in the unfolded state, one end of the sub rod is locked to the main rod, and the other end of the sub rod is used to be connected to a vehicle to be towed.
2. The folding draw bar of claim 1, wherein, The main rod comprises a main rod body, a first end and a second end located at two ends of the main rod body, the first end is hinged to the towing vehicle, and the second end is locked to the towing vehicle by a first locking device in the folded state.
3. The folding draw bar of claim 2, wherein, The sub rod comprises a sub rod body, a third end and a fourth end located at two ends of the sub rod body, the third end is hinged to the main rod body by a hinge, and the fourth end is locked to the towing vehicle by a second locking device in the folded state.
4. The folding draw bar of claim 3, wherein, The sub rod body is provided with a receiving groove, and the first end is located in the receiving groove in the folded state.
5. The folding draw bar of claim 4, wherein, The first locking device comprises: a first locking hole provided on the towing vehicle; a second locking hole provided on the second end; a first locking pin connected between the first locking hole and the second locking hole in the folded state.
6. The folding draw bar of claim 5, wherein, The second locking device comprises: a third locking hole provided on the towing vehicle; a fourth locking hole provided on the fourth end; a second locking pin connected between the third locking hole and the fourth locking hole in the folded state.
7. The folding draw bar of claim 6, wherein, The sub rod is provided with a fifth locking hole, and in the unfolded state, the second locking hole is aligned with the fifth locking hole, and one of the first locking pin and the second locking pin is connected between the second locking hole and the fifth locking hole.
8. The folding draw bar of claim 6, wherein, The towing vehicle is provided with a first mounting plate and a second mounting plate, and the first locking hole and the third locking hole are respectively provided on the first mounting plate and the second mounting plate.
9. The folding draw bar of claim 6 wherein, The hinge comprises a hinge hole and a hinge shaft matched with the hinge hole; The materials of the hinge shaft, the first locking pin and the second locking pin are stainless steel.
10. The folding tow bar of claim 1, wherein, The sub rod is provided with a handle.