Traction structure
By introducing limit and fixing mechanisms into the agricultural machinery traction structure, the rotation problem caused by accidental contact is solved, and more stable plug-in joints and convenient disassembly and installation are achieved, improving the efficiency of use.
Patent Information
- Application Number
- CN202420942634.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-06
AI Technical Summary
During use, the existing agricultural machinery traction structure is prone to cause the handle to drive the shaft to rotate due to accidental contact, which affects the clamping effect of the insertion rod and leads to inconvenient disassembly.
A traction structure including a limiting mechanism and a fixing mechanism is designed. By setting up components such as rotating rods, slide rods, stops, electric telescopic rods and slots, ensuring that the handle is fixed after a specific limit height to prevent accidental contact and drive rotation. , and the clamping and limiting of the insertion rod are achieved through the support rod and the clamping plate.
It effectively prevents the user from rotating the lever to drive the internal mechanism to rotate when touched by mistake, improves the fixing effect of the insertion rod, facilitates disassembly and installs, and avoids wasting time and energy.
Smart Images

Figure CN222283876U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of agricultural machinery, in particular to a traction structure. Background Art
[0002] Agricultural machinery refers to various machines used in the process of crop planting and animal husbandry, as well as in the primary processing and handling of agricultural and livestock products. Currently, agricultural machinery needs to use a traction structure to connect the agricultural machinery when in use, so as to facilitate pulling the device.
[0003] After searching, a Chinese patent with publication number CN209972080U discloses a traction structure of an agricultural machinery. This structure drives the rotating shaft and the gear to rotate through the forward and reverse handles and the reverse handle, and then drives the rack plate to move left and right. The two limit rods can be pulled to move relatively to the left and right sides. At this time, the two adjusting rods can be pulled to move left and right, which is convenient for the connection between the clamping block and the clamping groove on the plug rod. This structure achieves the effect of facilitating the disassembly of the structure, avoiding wasting time and energy during installation and disassembly.
[0004] However, the above device may have the following problems during use: the structure drives the shaft to rotate via the handle. When the user accidentally touches the handle, the handle drives the shaft to rotate, thereby affecting the clamping effect of the internal mechanism on the insertion rod. Utility Model Content
[0005] The purpose of the utility model is to provide a traction structure in order to solve the above-mentioned problem.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a traction structure, including a connecting block, a connecting rod is provided on one side of the connecting block, a plug hole is provided on the other side of the connecting block, a plug rod is provided inside the plug hole, a plurality of connecting holes are provided on the surface of the plug rod, a fixing mechanism 1 is provided inside the connecting block, a fixing mechanism 2 is provided on one side of the connecting block, a limiting mechanism is provided on the top of the connecting block, the limiting mechanism includes a rotating rod arranged inside the connecting block, a sliding hole is provided inside the rotating rod, a sliding rod is provided inside the sliding hole, blocks are provided on both sides of the sliding hole, a first spring is provided on one side of the block, a connecting groove is provided on the surface of the sliding rod, an electric telescopic rod 1 is provided inside the connecting groove, one side of the two blocks are connected to the connecting groove, a handle is provided on the top of the sliding rod, a fixing rod is provided on one side of the handle, a plurality of fixing holes are provided on the surface of the connecting block, and the fixing rod is connected to the fixing hole. The above-mentioned technical solution is adopted to facilitate fixing and limiting the handle.
[0007] As a further solution of the utility model: the fixing mechanism 1 includes an installation cavity opened inside the connecting block, and slide rails are provided on both sides of the inner wall of the installation cavity, and sliders are slidably provided inside the two slide rails, and an adjusting rod is provided between the two sliders, and a limiting rod is provided between the two adjusting rods. A pull rod is rotatably connected to one side of the limit rod, and a rack plate is provided on one side of the pull rod. A rotating cavity is opened on one side of the installation cavity, and the rack plate is connected to the rotating cavity. A gear is provided on the rack plate, and one side of the gear is connected to the rotating rod. Two support rods are provided on the surface of the adjusting rod, and the support rods are connected to the connecting hole. The above technical solution is adopted to facilitate the clamping of the plug rod inside the connecting block.
[0008] As a further solution of the utility model: the second fixing mechanism includes two sliding grooves opened on one side of the connecting block, the two sliding grooves are each provided with an electric telescopic rod 2, one end of the electric telescopic rod 2 is provided with a fixing plate, a sliding cavity is opened inside the fixing plate, a second spring is arranged inside the sliding cavity, a support plate is arranged at one end of the second spring, and clamping grooves are opened on both sides of the support plate, and the first clamping plate is clamped inside the two clamping grooves, a second clamping plate is arranged on one side of the first clamping plate, and one side of the second clamping plate extends to the outside of the fixing plate, and the cross-section of the second clamping plate is set to T-shape, a clamping groove is opened on the surface of the fixing plate, and a clamping plate is arranged on one side of the support plate. The above technical solution is adopted to facilitate the limiting and fixing of one end of the insertion rod.
[0009] Compared with the prior art, the beneficial effects of the utility model are:
[0010] 1. By setting a limit mechanism, when the handle needs to be used to drive the rotating rod to rotate, the handle is pulled to slide the support rod on one side of the handle out of the fixing hole, and the slide bar at the bottom of the handle slides inside the rotating rod. After sliding to a certain limit height, the stopper is connected to the connecting groove to limit the slide bar, so that the handle rotates the slide bar, and the slide bar drives the rotating rod to rotate. When the handle is fixed to prevent the rotating rod from rotating, the electric telescopic rod drives the stopper to squeeze so that the slide bar can slide inside the rotating rod. When the fixed rod on one side of the handle is connected to the fixing hole, the handle and the slide bar can be limited to prevent the rotating rod from driving the internal mechanism to rotate when the user accidentally touches the handle;
[0011] 2. By setting a fixing mechanism 1 and a fixing mechanism 2, the support rod inside the connecting block is first connected to the connecting hole on the surface of the plug rod, so that the plug rod can be clamped inside the connecting block, and then one end of the plug rod is blocked and limited by two clamping plates. The electric telescopic rod 2 drives the fixing plate to slide inside the slide groove. The clamping plate can be adjusted according to the position of the plug rod, and then the length of the fixing plate can be adjusted according to the length of the plug rod. The support plate is slid out from the inside of the fixing plate, and then when the support plate is limited, the first clamping plate is clamped with the clamping groove, so that the support plate can be limited, thereby improving the fixing effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0013] Figure 2 It is a schematic diagram of the rotating rod structure of the utility model;
[0014] Figure 3 This is a schematic diagram of the fixed plate structure of the utility model;
[0015] Figure 4 This is a second schematic diagram of the fixing mechanism of the utility model;
[0016] Figure 5 It is a side structural schematic diagram of the utility model.
[0017] In the figure: 1. connecting block; 2. connecting rod; 3. plug rod; 4. rotating rod; 5. sliding rod; 6. block; 7. first spring; 8. connecting groove; 9. electric telescopic rod 1; 10. handle; 11. fixing rod; 12. fixing hole; 13. slide rail; 14. adjusting rod; 15. limiting rod; 16. pulling rod; 17. rack plate; 18. electric telescopic rod 2; 19. fixing plate; 20. second spring; 21. support plate; 22. slot; 23. first clamping plate; 24. second clamping plate; 25. clamping plate; 26. support rod. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in the field of agricultural machinery technology without creative work are within the scope of protection of the utility model.
[0019] See also Figure 1 to Figure 5In the embodiment of the utility model, a traction structure includes a connecting block 1, a connecting rod 2 is provided on one side of the connecting block 1, a socket is provided on the other side of the connecting block 1, a plug rod 3 is provided inside the plug rod 3, a plurality of connecting holes are provided on the surface of the plug rod 3, a fixing mechanism 1 is provided inside the connecting block 1, a fixing mechanism 2 is provided on one side of the connecting block 1, a limiting mechanism is provided on the top of the connecting block 1, the limiting mechanism includes a rotating rod 4 provided inside the connecting block 1, a sliding hole is provided inside the rotating rod 4, a sliding rod 5 is provided inside the sliding hole, blocks 6 are provided on both sides of the sliding hole, a first spring 7 is provided on one side of the block 6, a connecting groove 8 is provided on the surface of the sliding rod 5, an electric telescopic rod 9 is provided inside the connecting groove 8, one side of the two blocks 6 are connected to the connecting groove 8, a handle 10 is provided on the top of the sliding rod 5, a fixing rod 11 is provided on one side of the handle 10, a plurality of fixing holes 12 are provided on the surface of the connecting block 1, and the fixing rod 11 is connected to the fixing hole 12.
[0020] When the handle 10 needs to be used to drive the rotating rod 4 to rotate, the handle 10 is pulled to slide the support rod 26 on one side of the handle 10 out of the fixing hole 12, and the slide bar 5 at the bottom of the handle 10 slides inside the rotating rod 4. After sliding to a certain limit height, the stopper 6 is connected to the connecting groove 8 to limit the slide bar 5, so that the handle 10 rotates the slide bar 5, and the slide bar 5 drives the rotating rod 4 to rotate. When the handle 10 is fixed to prevent the rotating rod 4 from rotating, the electric telescopic rod 9 drives the stopper 6 to be squeezed so that the slide bar 5 can slide inside the rotating rod 4. When the fixed rod 11 on one side of the handle 10 is engaged with the fixing hole 12, the handle 10 and the slide bar 5 can be limited to prevent the user from accidentally touching the handle 10 and driving the rotating rod 4 to rotate.
[0021] Please refer to Figure 1 and Figure 2 As shown, the fixing mechanism 1 includes an installation cavity opened inside the connecting block 1, and slide rails 13 are arranged on both sides of the inner wall of the installation cavity, and sliders are slidably arranged inside the two slide rails 13, and an adjusting rod 14 is arranged between the two sliders, and a limiting rod 15 is arranged between the two adjusting rods 14, and a pull rod 16 is rotatably connected to one side of the limiting rod 15, and a rack plate 17 is arranged on one side of the pull rod 16, a rotating cavity is opened on one side of the installation cavity, and the rack plate 17 is connected to the rotating cavity, and a gear is arranged on the rack plate 17, and one side of the gear is connected to the rotating rod 4, and two support rods 26 are arranged on the surface of the adjusting rod 14, and the support rod 26 is connected to the connecting hole.
[0022] In this embodiment: when the rotating rod 4 drives the internal mechanism to rotate, the rotating rod 4 and the gear are driven to rotate by rotating the handle 10, and then the rack plate 17 is driven to move left and right. When the rack plate 17 moves to the right, the opposite side of the two adjusting rods 14 can be pulled to move to the right. At this time, the two adjusting rods 14 can be pulled to move to the side close to the rack plate 17, and the support rod 26 inside the connecting block 1 is connected to the connecting hole on the surface of the plug rod 3, so that the plug rod 3 can be clamped in the connecting block 1. When the plug rod 3 needs to be removed, the handle 10 can be reversed to make the rack plate 17 move to the left, and then the two adjusting rods 14 can be pushed to move up and down to remove the plug rod 3. This structure achieves the effect of convenient disassembly, avoids wasting time and energy during installation and disassembly, and is more convenient for users to use.
[0023] Please refer to Figure 1 and Figure 2 As shown, the second fixing mechanism includes two slide grooves opened on one side of the connecting block 1, and the two slide grooves are each provided with an electric telescopic rod 2 18, a fixing plate 19 is provided at one end of the electric telescopic rod 2 18, a sliding cavity is opened inside the fixing plate 19, a second spring 20 is arranged inside the sliding cavity, a support plate 21 is arranged at one end of the second spring 20, and a clamping groove 22 is opened on both sides of the support plate 21, and a first clamping plate 23 is clamped inside the two clamping grooves, a second clamping plate 24 is arranged on one side of the first clamping plate 23, and one side of the second clamping plate 24 extends to the outside of the fixing plate 19, and the cross-section of the second clamping plate 24 is set to a T-shape, a clamping groove is opened on the surface of the fixing plate 19, and a clamping plate 25 is arranged on one side of the support plate 21.
[0024] When the length does not need to be adjusted, the first clamping plate 23 is first slid out of the clamping groove 22, the first clamping plate 23 is clamped and limited with the clamping groove on the surface of the fixing plate 19, and the first clamping plate 23 is supported and limited. When the length does not need to be adjusted, the first clamping plate 23 is first slid out of the clamping groove 22, the first clamping plate 23 is clamped and limited with the clamping groove, and then the support plate 21 is slid into the inside of the fixing plate 19, thereby improving the fixing effect of the device and preventing the fixing plate 3 from loosening from the inside of the connecting block 1.
[0025] The working principle of the utility model is as follows: when the handle 10 is needed to drive the rotating rod 4 to rotate, the handle 10 is pulled to slide the support rod 26 on one side of the handle 10 out of the fixing hole 12, and the slide bar 5 at the bottom of the handle 10 slides inside the rotating rod 4. After sliding to a certain limit height, the stopper 6 is connected to the connecting groove 8 to limit the slide bar 5, so that the handle 10 rotates the slide bar 5, and the slide bar 5 drives the rotating rod 4 to rotate. When the handle 10 is fixed to prevent the rotating rod 4 from rotating, the electric telescopic rod 9 drives the stopper 6 to be squeezed, so that the slide bar 5 can slide inside the rotating rod 4 and slide to the fixing rod 11 and the fixing hole on one side of the handle 10. When the two ends of the lever 12 are engaged, the handle 10 and the slide bar 5 can be limited to prevent the user from accidentally touching the handle 10 and driving the rotating rod 4 to rotate. When the rotating rod 4 drives the internal mechanism to rotate, the handle 10 is first turned to drive the rotating rod 4 and the gear to rotate, and then the rack plate 17 is driven to move left and right. When the rack plate 17 moves to the right, the opposite side of the two adjustment rods 14 can be pulled to move to the right. At this time, the two adjustment rods 14 can be pulled to move to the side close to the rack plate 17. The support rod 26 inside the connecting block 1 is connected to the connecting hole on the surface of the plug rod 3, so that the plug rod 3 can be connected to the inside of the connecting block 1. When the plug rod 3 needs to be removed;
[0026] The handle 10 can be reversed to make the rack plate 17 move to the left, and then the two adjusting rods 14 can be pushed to move up and down to the sides, so that the insertion rod 3 can be disassembled. This structure achieves the effect of convenient disassembly, avoids wasting time and energy during installation and disassembly, and is more convenient for users to use. Then, one end of the insertion rod 3 is blocked and limited by two clamping plates 25, and the electric telescopic rod 18 drives the fixing plate 19 to slide inside the slide groove. The clamping plate 25 can be adjusted according to the position of the insertion rod 3, and then the length of the fixing plate 19 can be adjusted according to the length of the insertion rod 3. When adjusting, the support plate 21 is slid out from the inside of the fixed plate 19, and then when limiting the support plate 21, the first clamping plate 23 is clamped with the clamping groove 22, so that the support plate 21 can be limited, and the second clamping plate 24 is clamped with the clamping groove on the surface of the fixed plate 19 to support and limit the first clamping plate 23. When the length does not need to be adjusted, the first clamping plate 23 is first slid out from the inside of the clamping groove 22, the first clamping plate 23 is clamped and limited with the clamping groove, and then the support plate 21 is slid into the inside of the fixed plate 19, thereby improving the fixing effect of the device.
[0027] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field of agricultural machinery technology within the technical scope disclosed by the utility model can make equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, which should be covered by the protection scope of the utility model.
Claims
1. A traction structure, comprising a connecting block (1), characterized in that: A connecting rod (2) is provided on one side of the connecting block (1), a plug hole is provided on the other side of the connecting block (1), an insert rod (3) is provided inside the plug hole, a plurality of connecting holes are provided on the surface of the insert rod (3), a fixing mechanism 1 is provided inside the connecting block (1), a fixing mechanism 2 is provided on one side of the connecting block (1), and a limiting mechanism is provided on the top of the connecting block (1); The limiting mechanism comprises a rotating rod (4) arranged inside the connecting block (1), a sliding hole is provided inside the rotating rod (4), a sliding rod (5) is provided inside the sliding hole, blocks (6) are provided on both sides of the sliding hole, a first spring (7) is provided on one side of the block (6), a connecting groove (8) is provided on the surface of the sliding rod (5), an electric telescopic rod (9) is provided inside the connecting groove (8), one side of the two blocks (6) are connected to the connecting groove (8), a handle (10) is provided on the top of the sliding rod (5), a fixing rod (11) is provided on one side of the handle (10), a plurality of fixing holes (12) are provided on the surface of the connecting block (1), and the fixing rod (11) is connected to the fixing holes (12).
2. A traction structure according to claim 1, characterized in that: The fixing mechanism 1 comprises an installation cavity opened inside the connection block (1), slide rails (13) are arranged on both sides of the inner wall of the installation cavity, sliders are slidably arranged inside the two slide rails (13), an adjustment rod (14) is arranged between the two sliders, and a limit rod (15) is arranged between the two adjustment rods (14).
3. A traction structure according to claim 2, characterized in that: One side of the limit rod (15) is rotatably connected to a pull rod (16), one side of the pull rod (16) is provided with a rack plate (17), one side of the installation cavity is provided with a rotation cavity, the rack plate (17) is connected to the rotation cavity, a gear is provided on the rack plate (17), and one side of the gear is connected to the rotation rod (4).
4. A traction structure according to claim 2, characterized in that: Two support rods (26) are arranged on the surface of the adjusting rod (14), and the support rods (26) are connected to the connecting holes.
5. A traction structure according to claim 1, characterized in that: The second fixing mechanism comprises two slide grooves provided on one side of the connecting block (1), the two slide grooves are provided with a second electric telescopic rod (18) inside, a fixing plate (19) is provided at one end of the second electric telescopic rod (18), a sliding cavity is provided inside the fixing plate (19), a second spring (20) is provided inside the sliding cavity, a support plate (21) is provided at one end of the second spring (20), and both sides of the support plate (21) are provided with a card slot (22).
6. A traction structure according to claim 5, characterized in that: A first clamping plate (23) is clamped inside the two clamping grooves (22), a second clamping plate (24) is provided on one side of the first clamping plate (23), one side of the second clamping plate (24) extends to the outside of the fixed plate (19), the cross-section of the second clamping plate (24) is set to be T-shaped, a clamping groove is provided on the surface of the fixed plate (19), and a clamping plate (25) is provided on one side of the support plate (21).
