Adjustable piston rod for tractor oil cylinder

Abstract

The utility model provides an adjustable piston rod for a tractor oil cylinder, and relates to the technical field of oil cylinder piston rods, the adjustable piston rod comprises a piston main body and an adjusting mechanism, the inner side of the piston main body is connected with the piston rod in a sliding mode, and the top end of the piston rod is provided with the adjusting mechanism. The distance between the movable connecting block and the fixed connecting block can be adjusted, lead screw transmission can absorb large impact load and torque, therefore, the large load bearing capacity and the long service life are achieved, meanwhile, the lead screw can conduct trace feeding, no invalid stroke exists, the device is suitable for application occasions needing fine operation, and the service life of the device is prolonged. Through the arrangement of the fixing assembly, the threaded rod can be fixed and prevented from being loosened due to external interference, stable connection between the two devices is guaranteed, meanwhile, the fixed threaded rod can reduce extra friction and abrasion caused by loosening, the service life of the lead screw is prolonged, and it is of great importance to long-term stable operation of the device.

Description

Technical Field

[0001] The utility model relates to the technical field of oil cylinder piston rods, in particular to an adjustable piston rod for a tractor oil cylinder. Background Art

[0002] The adjustable piston rod design used in tractor cylinders cleverly solves the problem of needing to adjust the size of the connector according to the size of the mounting seat. This design allows the user to easily adjust the length of the connector at the end of the piston rod to accommodate the size differences of the mounting seats on different models of tractors through a structure that includes a threaded connection and a movable locking component. This not only ensures a tight fit between the cylinder and the tractor, but also improves the flexibility and compatibility of the entire hydraulic system, thereby optimizing the performance and work efficiency of the tractor.

[0003] After searching, the patent number "CN216343144U" mentioned in the text that "the utility model discloses an adjustable piston rod of a wheeled tractor oil cylinder, which relates to the technical field of oil cylinder piston rods. The adjustable piston rod of the wheeled tractor oil cylinder includes an oil cylinder, on which a piston rod with a lower end slidingly penetrating into the oil cylinder is arranged, and the upper end of the piston rod is fixedly connected to a bearing base, and the upper surface of the bearing base is respectively slidably connected to two connection limiting plates, and the control mechanism includes two connecting plates, and the upper surface of the bearing base is respectively provided with two through grooves. The adjustable piston rod of the wheeled tractor oil cylinder By setting a control mechanism, the distance between the two connection limiting plates can be adjusted, so that the piston rod can be installed with T-shaped mounting seats of different sizes, further ensuring the stability of the piston rod after installation, improving the use effect of the lifting cylinder, and at the same time, the staff does not need to carry gaskets all the time, ensuring the convenience of the piston rod during installation. When in use, the distance between the two connection limiting plates can be adjusted through the setting of the control mechanism, ensuring the stability of the piston rod after installation. However, the device cannot fix the control shaft, and the connection is easy to loosen when disturbed.

[0004] Therefore, we provide an adjustable piston rod for tractor cylinder to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an adjustable piston rod for a tractor oil cylinder, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: an adjustable piston rod for a tractor oil cylinder comprises a piston body and an adjusting mechanism, the inner side of the piston body is slidably connected with the piston rod, and the top end of the piston rod is provided with the adjusting mechanism;

[0007] The adjusting mechanism comprises a housing assembly, a screw assembly, a connecting assembly and a fixing assembly. The top end of the piston rod is provided with a housing assembly, the inner side of the housing assembly is provided with a screw assembly, the top end of the housing assembly is provided with a connecting assembly, and one side of the housing assembly is provided with a fixing assembly.

[0008] Preferably, the housing assembly comprises a bearing housing and a slide plate, the top end of the piston rod is provided with the bearing housing, and the top end of the bearing housing is installed with the slide plate.

[0009] Preferably, the screw assembly comprises a threaded rod, a limit plate and a slider, the inner side of the bearing shell is threadedly connected with the threaded rod, the interior of the bearing shell is provided with a limit plate, and one end of the threaded rod is rotatably connected with the slider.

[0010] Preferably, the connecting assembly includes a movable connecting block, a fixed connecting block and reinforcing ribs, the top of the slider is fixedly connected to the movable connecting block, one side of the movable connecting block is provided with a fixed connecting block, and the outer sides of the movable connecting block and the fixed connecting block are fixedly connected with reinforcing ribs.

[0011] Preferably, the fixing assembly comprises a fixing ring, a fixing rod and a fixing groove, a fixing ring is installed on one side of the bearing shell, a fixing rod is installed on the outer side of the fixing ring, and a fixing groove is provided on the surface of the bearing shell.

[0012] Preferably, the operating assembly includes an oil pump and a connecting ring, the oil pump is arranged on the outer side of the piston body, and the connecting ring is installed on the bottom end of the piston body.

[0013] Preferably, the information component comprises a metal plate and fixing rivets, the surface of the piston body is provided with the metal plate, and the surface of the metal plate is provided with the fixing rivets.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. Through the setting of the adjustment mechanism, when in use, the distance between the movable connection block and the fixed connection block can be adjusted through the setting of the screw assembly. The screw drive can absorb larger impact loads and torques, so it has a greater load-bearing capacity and a longer working life. At the same time, the screw can perform a small amount of feeding without invalid stroke, which is suitable for applications that require fine operation.

[0016] 2. By setting the fixing assembly, the threaded rod can be fixed to prevent it from loosening due to external interference, thereby ensuring a stable connection between the two devices. At the same time, the fixed threaded rod can reduce the additional friction and wear caused by loosening, and extend the service life of the screw, which is essential to ensure the long-term stable operation of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall appearance structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall side view structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the adjustment mechanism of the utility model;

[0020] Figure 4 It is a schematic diagram of the cross-sectional structure of the adjustment mechanism of the utility model.

[0021] Numbers in the figure: 1. Piston body; 2. Piston rod; 3. Adjustment mechanism; 31. Shell assembly; 311. Load-bearing shell; 312. Slide plate; 32. Screw assembly; 321. Threaded rod; 322. Limit plate; 323. Slider; 33. Connecting assembly; 331. Movable connecting block; 332. Fixed connecting block; 333. Reinforcing rib; 34. Fixed assembly; 341. Fixed ring; 342. Fixed rod; 343. Fixed groove; 4. Running assembly; 41. Oil pump; 42. Connecting ring; 5. Information assembly; 51. Metal plate; 52. Fixed rivet. DETAILED DESCRIPTION

[0022] 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 this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] See also Figure 1-4 As shown, the utility model provides a technical solution: an adjustable piston rod for a tractor oil cylinder comprises a piston body 1 and an adjusting mechanism 3, the inner side of the piston body 1 is slidably connected with a piston rod 2, and the top end of the piston rod 2 is provided with an adjusting mechanism 3;

[0025] The adjusting mechanism 3 includes a housing assembly 31, a screw assembly 32, a connecting assembly 33 and a fixing assembly 34. The housing assembly 31 is arranged at the top end of the piston rod 2, the screw assembly 32 is installed on the inner side of the housing assembly 31, the connecting assembly 33 is arranged at the top end of the housing assembly 31, and the fixing assembly 34 is arranged on one side of the housing assembly 31.

[0026] Furthermore, the housing assembly 31 includes a bearing housing 311 and a slide plate 312. The bearing housing 311 is disposed at the top end of the piston rod 2, and the slide plate 312 is installed at the top end of the bearing housing 311. The housing assembly 31 is used to accommodate the remaining parts and provide a working space for the adjustment and deformation of the device.

[0027] Furthermore, the screw assembly 32 includes a threaded rod 321, a limit plate 322 and a slider 323. The inner side of the bearing shell 311 is threadedly connected to the threaded rod 321, and the interior of the bearing shell 311 is provided with a limit plate 322. One end of the threaded rod 321 is rotatably connected to the slider 323. The screw assembly 32 adjusts the position of the slider 323 by rotating the threaded rod 321 to achieve deformation of the connecting assembly 33.

[0028] Furthermore, the connecting component 33 includes a movable connecting block 331, a fixed connecting block 332 and a reinforcing rib 333. The top of the slider 323 is fixedly connected with the movable connecting block 331, one side of the movable connecting block 331 is provided with a fixed connecting block 332, and the outer sides of the movable connecting block 331 and the fixed connecting block 332 are fixedly connected with a reinforcing rib 333. The distance between the two connecting blocks in the connecting component 33 can be adjusted by moving the movable connecting block 331 to accommodate T-shaped plates of different sizes, thereby improving the versatility of the device.

[0029] Furthermore, the fixing assembly 34 includes a fixing ring 341, a fixing rod 342 and a fixing groove 343. The fixing ring 341 is installed on one side of the supporting shell 311, the fixing rod 342 is installed on the outer side of the fixing ring 341, and the fixing groove 343 is provided on the surface of the supporting shell 311. The fixing assembly 34 can fix the threaded rod 321 to prevent the threaded rod 321 from loosening during use of the device and affecting the connection between the device and related equipment.

[0030] Embodiment 2

[0031] See also Figure 1 and Figure 2 As shown, in contrast to Example 1, as another implementation of the utility model, an operating component 4 is provided on the outer side of the piston body 1, and the operating component 4 includes an oil pump 41 and a connecting ring 42. The oil pump 41 is provided on the outer side of the piston body 1, and a connecting ring 42 is installed on the bottom end of the piston body 1. The setting of the oil pump 41 can enable the device to achieve extension and contraction functions, and the setting of the connecting ring 42 facilitates the connection of the device with related equipment.

[0032] Furthermore, an information component 5 is provided on the outer side of the piston body 1, and the information component 5 includes a metal plate 51 and a fixing rivet 52. The surface of the piston body 1 is provided with the metal plate 51, and the surface of the metal plate 51 is provided with a fixing rivet 52. The metal plate 51 is used to engrave relevant information of the device, so that the operator can clearly understand the usage and load-bearing capacity of the device and use the device correctly.

[0033] Working principle: First, move the tractor cylinder with an adjustable piston rod to the working position. When in use, the first step is to place the connecting ring 42 in the working position, and then fix the connecting ring 42 with a latch. The second step is to place the T-shaped mounting seat of the device to be connected between the movable connecting block 331 and the fixed connecting block 332, and then rotate the threaded rod 321 to bring the two connecting blocks closer. The third step is to sleeve the fixing assembly 34 on the threaded rod 321, and then clamp the fixing rod 342 in the fixing groove 343. This completes the use process of the adjustable piston rod for the tractor cylinder.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable piston rod for a tractor oil cylinder, comprising a piston body (1) and an adjustment mechanism (3), characterized in that: The inner side of the piston body (1) is slidably connected to a piston rod (2), and the top end of the piston rod (2) is provided with an adjustment mechanism (3); The adjusting mechanism (3) comprises a housing component (31), a screw component (32), a connecting component (33) and a fixing component (34); the top end of the piston rod (2) is provided with the housing component (31); the inner side of the housing component (31) is provided with the screw component (32); the top end of the housing component (31) is provided with the connecting component (33); and one side of the housing component (31) is provided with the fixing component (34).

2. The adjustable piston rod for a tractor cylinder according to claim 1, characterized in that: The housing assembly (31) comprises a bearing housing (311) and a slide plate (312); the bearing housing (311) is disposed at the top end of the piston rod (2); and the slide plate (312) is installed at the top end of the bearing housing (311).

3. The adjustable piston rod for a tractor cylinder according to claim 2, characterized in that: The lead screw assembly (32) comprises a threaded rod (321), a limiting plate (322) and a sliding block (323); the inner side of the bearing shell (311) is threadedly connected to the threaded rod (321); the inner side of the bearing shell (311) is provided with a limiting plate (322); one end of the threaded rod (321) is rotatably connected to the sliding block (323).

4. The adjustable piston rod for a tractor cylinder according to claim 3, characterized in that: The connection assembly (33) comprises a movable connection block (331), a fixed connection block (332) and a reinforcing rib (333); the top end of the slider (323) is fixedly connected to the movable connection block (331); one side of the movable connection block (331) is provided with a fixed connection block (332); and the outer sides of the movable connection block (331) and the fixed connection block (332) are fixedly connected to the reinforcing rib (333).

5. The adjustable piston rod for a tractor cylinder according to claim 2, characterized in that: The fixing assembly (34) comprises a fixing ring (341), a fixing rod (342) and a fixing groove (343); the fixing ring (341) is installed on one side of the bearing shell (311); the fixing rod (342) is installed on the outer side of the fixing ring (341); and the fixing groove (343) is provided on the surface of the bearing shell (311).

6. The adjustable piston rod for a tractor cylinder according to claim 1, characterized in that: An operating assembly (4) is arranged on the outer side of the piston body (1), and the operating assembly (4) comprises an oil pump (41) and a connecting ring (42). An oil pump (41) is arranged on the outer side of the piston body (1), and a connecting ring (42) is installed at the bottom end of the piston body (1).

7. The adjustable piston rod for a tractor cylinder according to claim 1, characterized in that: An information component (5) is arranged on the surface of the piston body (1), and the information component (5) comprises a metal plate (51) and a fixing rivet (52). A metal plate (51) is arranged on the surface of the piston body (1), and a fixing rivet (52) is arranged on the surface of the metal plate (51).

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