CN220594555U - Rotatable hook trailer arm with three-ball head band - Google Patents
Rotatable hook trailer arm with three-ball head band Download PDFInfo
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- CN220594555U CN220594555U CN202321931408.1U CN202321931408U CN220594555U CN 220594555 U CN220594555 U CN 220594555U CN 202321931408 U CN202321931408 U CN 202321931408U CN 220594555 U CN220594555 U CN 220594555U
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- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a rotatable hook trailer arm with a three-ball head band, which comprises a connecting assembly, wherein the inside of the connecting assembly is detachably connected with a trailer assembly, one end, far away from the connecting assembly, of the trailer assembly is movably connected with a ball head assembly, and the inside of the connecting assembly and the inside of the trailer assembly are movably inserted with a limiting assembly. According to the utility model, the connecting assembly is matched with the trailer assembly, the ball head assembly and the limiting assembly, so that a buffering effect can be achieved, and meanwhile, the connecting strength and stability between the trailer arm and the trailer can be enhanced, so that the use safety can be improved.
Description
Technical Field
The utility model relates to the field of trailer arms, in particular to a rotatable hook trailer arm with a three-ball head band.
Background
The three-ball trailer arm is a connecting structure for pulling and dragging an automobile, in order to expand the service range of the trailer arm and strengthen the functionality of the trailer arm, the trailer arm with a rotatable hook is generally required to be used, wherein the three-ball hooked trailer arm disclosed by the application number of CN202020078317.8 is also an increasingly mature technology, when the three-ball hooked trailer arm is used, a fixed seat and a trailer are fixed through a first fixed hole and a bolt, then the position of a sliding block in a T-shaped sliding groove is adjusted, a buffer block is located at the height matched with the traction position of a fault automobile, and by arranging the buffer block and a damping spring, when the trailer is unstable due to turning or road bumping speed, the inertial impact inside the trailer arm is reduced, the stability of the trailer arm is enhanced, the service life of the trailer arm is prolonged, the advantages of being high in adjustable trailer arm position and stability are achieved through the arrangement, but the trailer arm has the following defects in the use process: this trailer arm does can play the effect of buffering protection through the buffer block cooperation damping spring that sets up, but only can play the buffering effect through buffer spring and buffer block, can't strengthen joint strength and stability between trailer arm and the trailer, consequently probably have certain potential safety hazard, in addition, because this trailer arm is monolithic structure, therefore comparatively inconvenient when dismantling and each parts change, based on this, it is necessary to provide a concatenation formula and the trailer arm of convenient to detach change.
Disclosure of Invention
The present utility model is directed to a rotatable hook trailer arm with a three-ball headband, which solves the above-mentioned problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the three-ball-head belt rotatable hook trailer arm comprises a connecting assembly, wherein the inside of the connecting assembly is detachably connected with a trailer assembly, one end, far away from the connecting assembly, of the trailer assembly is movably connected with a ball head assembly, and the inside of the connecting assembly and the inside of the trailer assembly are movably inserted with a limiting assembly;
the connecting assembly comprises a connecting box, a plurality of first screw holes are formed in the surface of the connecting plate, first bolts are connected to the inner portions of the first screw holes in a threaded mode, the trailer assembly comprises a cross rod inserted into the connecting box, a vertical rod is fixedly connected to the upper surface of one end of the cross rod, which is far away from the connecting box, a pin rod is movably inserted into the connecting box, one end of the cross rod and the side surface of the cross rod are movably clamped on a card, a connecting pipe is fixedly connected to the side surface of the card, a limiting ring is fixedly connected to one end of the connecting pipe, the ball head assembly comprises a three-ball head body, a limiting rod is fixedly connected to one end of the three-ball head body, a connecting rod is fixedly connected with a spring, the limiting rod is movably inserted into the inner portion of the limiting ring, the connecting rod is movably inserted into the inner portion of the connecting pipe, a pin rod is movably inserted into the connecting box, a pin rod is movably inserted into the inner portion of the connecting box, and the side surface of the pin rod is provided with a fourth pin hole, and the inner movable pin rod is provided with an L-shaped rod.
As a preferred embodiment of the present utility model: the side surface of the connecting box is provided with a first pin hole, and the pin rod is movably inserted into the first pin hole.
As a preferred embodiment of the present utility model: the second pin hole is formed in one end side surface of the cross rod, the second pin hole is overlapped with the first pin hole, and the pin rod penetrates through the first pin hole to be movably inserted into the second pin hole.
As a preferred embodiment of the present utility model: the other end side surface of the cross rod is provided with third pin holes, and the side surfaces of the vertical rod and the card are provided with two third pin holes, wherein the two third pin holes are movably inserted with pin rods.
As a preferred embodiment of the present utility model: the second screw holes are formed in the inner wall of the card and at one end, close to the vertical rod, of the cross rod.
As a preferred embodiment of the present utility model: the one end fixedly connected with screw rod of connecting rod is kept away from to the spring, screw rod threaded connection is inside the second screw hole of card inner wall and horizontal pole one end.
As a preferred embodiment of the present utility model: the diameter of the limiting rod is smaller than that of the connecting rod, the limiting rod is matched with the limiting ring, and the connecting rod is matched with the connecting pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the connecting assembly is matched with the trailer assembly, the ball head assembly and the limiting assembly, so that the buffer effect can be achieved, meanwhile, the connection stability between the whole structure and the trailer can be enhanced, and the use safety can be improved;
2. the utility model can be convenient to disassemble the trailer arm according to the requirement by matching the spliced structure of the connecting assembly, the trailer assembly and the limiting assembly, so that convenience can be provided for the replacement of each part.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a disassembled view of the structure of the connecting assembly and the limiting assembly of the present utility model;
FIG. 3 is a disassembled view of the trailer assembly and spacing assembly of the present utility model;
FIG. 4 is a schematic view of a ball head assembly according to the present utility model.
In the figure: 1. a connection assembly; 11. a connection box; 12. a connecting plate; 13. a first screw hole; 14. a first bolt; 111. a first pin hole; 2. a trailer assembly; 21. a cross bar; 22. a vertical rod; 23. a card; 24. a connecting pipe; 25. a limiting ring; 211. a second pin hole; 212. a third pin hole; 221. a second screw hole; 3. a ball head assembly; 31. a three-ball head body; 32. a limit rod; 33. a connecting rod; 34. a spring; 311. a screw; 4. a limit component; 41. a pin rod; 42. a fourth pin hole; 43. an L-shaped rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the three-ball-head-belt rotatable hook trailer arm comprises a connecting component 1, wherein a trailer component 2 is detachably connected in the connecting component 1, one end, far away from the connecting component 1, of the trailer component 2 is movably connected with a ball head component 3, and limiting components 4 are movably inserted in the connecting component 1 and the interior of the trailer component 2;
the connecting assembly 1 comprises a connecting box 11, one end fixedly connected with connecting plate 12 of the connecting box 11, a plurality of first screw holes 13 are formed in the surface of the connecting plate 12, first bolts 14 are connected to the inner parts of the first screw holes 13 in a threaded mode, the trailer assembly 2 comprises a cross rod 21 inserted into the connecting box 11, a vertical rod 22 is fixedly connected to the upper surface of one end of the cross rod 21 far away from the connecting box 11, one end of the cross rod 21 and the side surface of the vertical rod 22 are movably clamped on a card 23, a connecting pipe 24 is fixedly connected to the side surface of the card 23, a limiting ring 25 is fixedly connected to one end of the connecting pipe 24, the ball head assembly 3 comprises a three-ball head body 31, a limiting rod 32 is fixedly connected to one end of the three-ball head body 31, a connecting rod 33 is fixedly connected to one end of the limiting rod 32 far away from the limiting rod 32, a spring 34 is movably inserted into the limiting ring 25, the connecting rod 33 is movably inserted into the connecting pipe 24, a pin 41 is movably inserted into the connecting rod 11, the cross rod 21 and the inner part of the vertical rod 22, a fourth pin hole 42 is formed in the side surface of the pin 41, and a fourth pin hole 42 is movably inserted into a fourth pin hole 42.
Specifically, not only can play the cushioning effect through coupling assembling 1 cooperation trailer subassembly 2, bulb subassembly 3 and the spacing subassembly 4 that set up, simultaneously can also strengthen joint strength and stability between trailer arm and the trailer, consequently can improve the safety in utilization, in addition, still be convenient for dismantle concatenation formula trailer arm structure as required through above-mentioned structure, consequently can provide convenient for the change of each part, when using, at first through first bolt 14 with connecting plate 12 and joint box 11 with the trailer haulage plate screw thread fastening, initially strengthen joint strength, simultaneously, can be to joint box 11 through pin 41, horizontal pole 21, montant 22 and card 23, joint strength and stability between the above-mentioned structure can be strengthened, take out pin 41 simultaneously and dismantle, then connect three bulb body 31 and by the trailer, can cushion the rocking that passes out from three bulb body 31 through spring 34 cooperation connecting rod 33 and spacing pole 32, consequently can strengthen the protection effect to the arm and by the trailer.
In this embodiment: the side surface of the connection box 11 is provided with a first pin hole 111, and the pin rod 41 is movably inserted into the first pin hole 111.
Specifically, the connection box 11 and the cross bar 21 can be connected by inserting the pin rod 41 into the first pin hole 111, and the pin rod 41 can be removed by pulling out the pin rod 41.
In this embodiment: the second pin hole 211 is formed in one end surface of the cross bar 21, the second pin hole 211 is overlapped with the first pin hole 111, and the pin rod 41 is movably inserted into the second pin hole 211 through the first pin hole 111.
Specifically, the connection strength between the connection box 11 and the cross bar 21 can be enhanced by inserting the pin rod 41 inside the first pin hole 111 and the second pin hole 211, and thus the service life of the trailer arm can be prolonged.
In this embodiment: the other end side surface of the cross bar 21 is provided with a third pin hole 212, and the side surfaces of the vertical bar 22 and the card 23 are provided with two third pin holes 212, wherein the inside of the two third pin holes 212 is movably inserted with a pin rod 41.
Specifically, the connection stability between the card 23, the cross bar 21 and the vertical bar 22 can be enhanced by mutual clamping, the connection stability can be further enhanced by inserting the pin rod 41 into the third pin hole 212, and the structure can be disassembled only by taking out the pin rod 41 from the third pin hole 212 when the structure is disassembled, so that convenience can be provided for replacement of each part.
In this embodiment: the end of the cross bar 21, which is close to the vertical bar 22, is provided with a second screw hole 221 on the inner wall of the card 23.
Specifically, the cross bar 21, the card 23 and the ball assembly 3 can be movably connected through the second screw hole 221.
In this embodiment: the spring 34 is kept away from the one end fixedly connected with screw 311 of connecting rod 33, and screw 311 threaded connection is in the second screw 221 inside the inner wall of card 23 and one end of horizontal pole 21.
Specifically, through with screw 311 threaded connection in second screw 221 inside, when spring 34 shrink, the existence of screw 311 can carry out spacingly to spring 34, slows down the range and the frequency of spring 34 shrink, and then can play the effect of buffering.
In this embodiment: the diameter of the limiting rod 32 is smaller than that of the connecting rod 33, the limiting rod 32 is matched with the limiting ring 25, and the connecting rod 33 is matched with the connecting pipe 24.
Specifically, because the diameter of the stop lever 32 is smaller than that of the connecting rod 33, when the spring 34 rebounds, the stop lever 32 can be limited by matching the connecting rod 33 with the stop collar 25, and then the three-ball body 31 can be limited, so that the three-ball body is prevented from falling off.
Working principle: when the trailer is used, the connecting plate 12 and the trailer traction plate are firstly fixed by threads through the first bolt 14, then the trailer arm can be fixed by inserting the pin rod 41 into the first pin hole 111, the second pin hole 211 and the third pin hole 212, at the moment, the connecting box 11, the cross rod 21 and the vertical rod 22 fixed through the pin rod 41 are matched with the card 23, so that the connecting strength and the stability between the trailer arm and the trailer can be enhanced, meanwhile, the trailer arm and the towed vehicle are connected through the three-ball body 31, when the three-ball body 31 swings and retreats due to the swinging of the towed vehicle, the limiting rod 32 and the connecting rod 33 compress the spring 34, meanwhile, the screw 311 is connected in the second screw hole 221 by threads, when the spring 34 is compressed and then rebounds, the existence of screw 311 can slow down the frequency and the range that spring 34 kick-backed, and then can play the effect of buffering, can carry out spacingly to gag lever post 32 through connecting pipe 24 cooperation spacing ring 25 and connecting rod 33 simultaneously, and then can avoid three bulb bodies 31 to drop, not only can play the cushioning effect through above-mentioned structure mutually supporting, can also show the joint strength between reinforcing trailer arm and the trailer simultaneously, consequently can improve the safety in utilization, when dismantling, only need take out L shape pole 43 from fourth pinhole 42 inside, then take out the round pin pole 41 respectively from first pinhole 111, second pinhole 211 and third pinhole 212 inside can dismantle junction box 11, horizontal pole 21, montant 22 and card 23, consequently can provide convenience for the change of each part.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A rotatable hook trailer arm of three ball bandeau, includes coupling assembling (1), its characterized in that: the inside of the connecting component (1) is detachably connected with a trailer component (2), one end, far away from the connecting component (1), of the trailer component (2) is movably connected with a ball component (3), and the interiors of the connecting component (1) and the trailer component (2) are movably spliced with a limiting component (4);
the connecting assembly (1) comprises a connecting box (11), one end fixedly connected with connecting plate (12) of connecting box (11), a plurality of first screw holes (13) are formed in the surface of connecting plate (12), a plurality of first screw holes (13) are internally and uniformly connected with first bolts (14) in a threaded manner, the trailer assembly (2) comprises a cross rod (21) inserted into the connecting box (11), a vertical rod (22) is fixedly connected to the upper surface of one end of the cross rod (21) far away from the connecting box (11), one end of the cross rod (21) and the side surface of the cross rod (21) are movably clamped on a clamping plate (23), a connecting pipe (24) is fixedly connected to the side surface of the clamping plate (23), one end of the connecting pipe (24) is fixedly connected with a limiting ring (25), the ball head assembly (3) comprises a three-head body (31), one end of the three-head body (31) is fixedly connected with a limiting rod (32), one end of the limiting rod (32) far away from the three-head body (31) is fixedly connected with a connecting rod (33), one end of the connecting rod (33) is far away from the limiting ring (32) and is fixedly connected with a limiting spring (25) at one end of the limiting ring (32), the connecting rod (33) is movably inserted into the connecting pipe (24), the connecting box (11), the cross rod (21) and the vertical rod (22) are movably inserted into the connecting box, the pin rod (41) is movably inserted into the connecting box, a fourth pin hole (42) is formed in the side surface of the pin rod (41), and an L-shaped rod (43) is movably inserted into the fourth pin hole (42).
2. A three-ball headband rotatable hook trailer arm according to claim 1, wherein: the side surface of the connecting box (11) is provided with a first pin hole (111), and the pin rod (41) is movably inserted into the first pin hole (111).
3. A three-ball headband rotatable hook trailer arm according to claim 1, wherein: the second pin hole (211) is formed in one end side surface of the cross rod (21), the second pin hole (211) is overlapped with the first pin hole (111), and the pin rod (41) penetrates through the first pin hole (111) to be movably inserted into the second pin hole (211).
4. A three-ball headband rotatable hook trailer arm according to claim 1, wherein: the other end side surface of the cross rod (21) is provided with a third pin hole (212), the side surfaces of the vertical rod (22) and the card (23) are provided with two third pin holes (212), and the insides of the two third pin holes (212) are movably inserted with pin rods (41).
5. A three-ball headband rotatable hook trailer arm according to claim 1, wherein: and a second screw hole (221) is formed in one end, close to the vertical rod (22), of the cross rod (21) and the inner wall of the card (23).
6. A three-ball headband rotatable hook trailer arm according to claim 1, wherein: one end of the spring (34) far away from the connecting rod (33) is fixedly connected with a screw rod (311), and the screw rod (311) is in threaded connection with the inner wall of the card (23) and the inside of a second screw hole (221) at one end of the cross rod (21).
7. A three-ball headband rotatable hook trailer arm according to claim 1, wherein: the diameter of the limiting rod (32) is smaller than that of the connecting rod (33), the limiting rod (32) is matched with the limiting ring (25), and the connecting rod (33) is matched with the connecting pipe (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321931408.1U CN220594555U (en) | 2023-07-21 | 2023-07-21 | Rotatable hook trailer arm with three-ball head band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321931408.1U CN220594555U (en) | 2023-07-21 | 2023-07-21 | Rotatable hook trailer arm with three-ball head band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220594555U true CN220594555U (en) | 2024-03-15 |
Family
ID=90171639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321931408.1U Active CN220594555U (en) | 2023-07-21 | 2023-07-21 | Rotatable hook trailer arm with three-ball head band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220594555U (en) |
-
2023
- 2023-07-21 CN CN202321931408.1U patent/CN220594555U/en active Active
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