Hydraulic oil cylinder convenient to install and adjust

Abstract

The utility model relates to a hydraulic oil cylinder convenient to install and adjust, which is provided with an oil cylinder body, an oil inlet and an oil outlet are arranged on the oil cylinder body, and a piston rod is further arranged on the oil cylinder body. An adjusting assembly is arranged on the oil cylinder body and comprises a positioning plate, a plurality of positioning rods, a rotating plate, a connecting seat, a rotating ball, a connecting rod and a lug plate, a plurality of rotating seats are arranged on the positioning plate, positioning shafts which are oppositely arranged are arranged at one ends of all the positioning rods, all the positioning shafts are sleeved with torsional springs, rotating holes are formed in the rotating seats, and the rotating balls are arranged in the rotating holes. The two ends of the torsional spring act in the positioning shaft and the rotating hole correspondingly, a connecting block is arranged at the end, away from the rotating base, of the positioning rod, a connecting groove is formed in the outer wall of the oil cylinder body, a ball groove is formed in the connecting base, the rotating ball is arranged in the ball groove, and the lug plate is installed and adjusted through rotating connection of the rotating plate and the positioning plate and cooperation of the rotating ball and the ball groove. The device is ingenious in structure, efficient and convenient.

Description

Technical Field

[0001] The utility model relates to the field of hydraulic cylinders, in particular to a hydraulic cylinder which is convenient for installation and adjustment. Background Art

[0002] As a key actuating element in a hydraulic system, the main function of a hydraulic cylinder is to convert hydraulic energy into mechanical energy to achieve linear reciprocating motion or swinging motion. The working principle of a hydraulic cylinder is based on Pascal's law, that is, in a closed liquid container, the applied pressure will be evenly transmitted to every part of the liquid. Due to its simple structure and reliable operation, hydraulic cylinders have been widely used in many fields such as construction machinery, ships, machine tools, and national defense equipment. With the continuous innovation of technology and the continuous promotion of policies, the hydraulic cylinder industry is developing towards a more efficient, intelligent, and environmentally friendly direction.

[0003] During the installation process of existing hydraulic cylinders, the two ends of the hydraulic cylinder are generally connected to external equipment through ear plates. However, during the installation process of the hydraulic cylinder, due to the limitations of the installation environment, installation location, and the shape of the hydraulic cylinder itself, it will greatly affect the overall working space and working efficiency of the hydraulic cylinder, which is very inconvenient. Content of the Utility Model

[0004] The purpose of the utility model is to provide a hydraulic cylinder which is convenient for installation and adjustment, with a clever structure, and can adjust the installation of the hydraulic cylinder according to the actual installation layout, so as to make it applicable to various different usage environments, with strong applicability, convenience, and practicality.

[0005] The technical solution for achieving the object of the present utility model is as follows: The present utility model has an oil cylinder body, an oil inlet and an oil outlet are provided on the oil cylinder body, and a piston rod slidably arranged on the oil cylinder body is also provided on the oil cylinder body; One end of the oil cylinder body far from the piston rod is provided with an adjusting assembly for adjusting the installation of the oil cylinder body. The adjusting assembly includes a positioning plate coaxially arranged with the oil cylinder body, a plurality of positioning rods circumferentially distributed along the axis of the positioning plate on the positioning plate and capable of being connected with the oil cylinder body, a rotating plate rotatably connected to the end face of the positioning plate far from the oil cylinder body, a connecting seat fixed on the rotating plate, a rotating ball rotatably arranged in the connecting seat, a connecting rod fixed on the rotating ball, and an ear plate fixed on the connecting rod. A plurality of rotating seats corresponding to each positioning rod are provided on the positioning plate. One end of each positioning rod is provided with oppositely arranged positioning shafts, and torsion springs are sleeved on each positioning shaft. A rotating hole corresponding to each positioning shaft is provided on the rotating seat, and both ends of the torsion spring act in the positioning shaft and the rotating hole respectively. A connecting block is provided at the end of the positioning rod far from the rotating seat, and a connecting groove corresponding to each connecting block is provided on the outer wall of the oil cylinder body. The positioning plate is detachably and fixedly connected with the oil cylinder body through the cooperation of the positioning shaft and the rotating hole, the continuous force application of the torsion spring, and the cooperation of the connecting block and the connecting groove. A ball groove is provided on the connecting seat, the rotating ball is arranged in the ball groove, and the ear plate is installed and adjusted through the rotational connection of the rotating plate and the positioning plate and the cooperation of the rotating ball and the ball groove.

[0006] Further, a limiting sliding groove coaxially arranged with the positioning plate is provided on the surface of the positioning plate opposite to the rotating plate. A limiting inner groove coaxially arranged with the limiting sliding groove is provided in the limiting sliding groove. A plurality of limiting sliding rods circumferentially distributed along the axis of the rotating plate are provided on the rotating plate. Each limiting sliding rod is slidably arranged in the corresponding limiting sliding groove. A limiting block corresponding to the limiting inner groove is provided on each limiting sliding rod. Each limiting block is slidably arranged in the corresponding limiting inner groove. The rotating plate is rotatably arranged on the positioning plate through the cooperation of the limiting sliding rod and the limiting sliding groove and the cooperation of the limiting block and the limiting inner groove.

[0007] Further, a plurality of buffer bases corresponding to each limiting sliding rod are provided on the rotating plate. A buffer groove is provided on the buffer base. Each limiting sliding rod is slidably arranged in the corresponding buffer groove. A first buffer spring is provided in each buffer groove. Both ends of the first buffer spring act on the bottom of the buffer groove and the limiting sliding rod respectively. The rotating plate performs axial buffering through the cooperation of each limiting sliding rod and the buffer groove and the continuous force application of the first buffer spring.

[0008] Further, buffer limiting grooves parallel to the extending direction of the axis of the buffer groove are provided on the inner wall of the buffer groove. Buffer limiting blocks corresponding to each buffer limiting groove are provided on the limiting sliding rod. Each limiting sliding rod is slidably arranged in the buffer groove through the cooperation of each buffer limiting block and the buffer limiting groove.

[0009] Furthermore, the extending direction of the above-mentioned connecting groove is arranged parallel to the axis of the oil cylinder body, and the length of the connecting groove is greater than the length of the connecting block. The diameter of the positioning plate is greater than the diameter of the oil cylinder body. A pressing groove coaxial with the positioning plate is provided on the positioning plate. The inner diameter of the pressing groove is greater than or equal to the diameter of the oil cylinder body. A buffer backing plate is slidably arranged in the pressing groove. A second buffer spring is arranged in the pressing groove. The two ends of the second buffer spring act on the bottom of the pressing groove and the buffer backing plate respectively. The buffer backing plate performs sliding buffering on the oil cylinder body through the sliding connection with the pressing groove and the continuous force application of the second buffer spring.

[0010] The utility model has positive effects: (1) By providing an adjusting assembly on the oil cylinder body, the positioning plate on the adjusting assembly is detachably and fixedly connected to the oil cylinder body through the cooperation of the positioning shaft and the rotating hole, the continuous force application of the torsion spring, and the cooperation of the connecting block and the connecting groove. The ear plate on the connecting rod is installed and adjusted through the rotational connection of the rotating plate and the positioning plate and the cooperation of the rotating ball and the ball groove, effectively solving the problem that the overall use of the hydraulic cylinder in the prior art is affected by space and layout limitations. On the one hand, the connection between the positioning plate and the hydraulic cylinder can be realized, and the detachable connection method facilitates the rapid installation and disassembly of the positioning plate and the hydraulic cylinder. On the other hand, the installation angle of the hydraulic cylinder can be adjusted through the rotational connection of the rotating plate and the positioning plate and the rotational cooperation of the connecting rod and the connecting seat, so as to be applicable to various different use environments, with good applicability and adjustability, ingenious structure, convenient and practical.

[0011] (2) By providing a limiting sliding groove and a limiting inner groove on the positioning plate, and a limiting sliding rod and a limiting block on the rotating plate, the cooperation of the limiting sliding rod and the limiting sliding groove and the cooperation of the limiting block and the limiting inner groove can, on the one hand, ensure the smoothness of the rotation of the positioning plate and the rotating plate, and on the other hand, also ensure the stability and firmness of the connection between the positioning plate and the rotating plate, avoiding the instability of the positioning plate and the rotating plate during the rotation process.

[0012] (3) By providing a buffer base on the rotating plate and a buffer groove on the buffer base, the cooperation of the limiting sliding rod and the buffer groove and the continuous force application of the first buffer spring can buffer the pressure on the rotating plate during the rotation of the rotating plate and the positioning plate, avoiding hard collision and wear between the rotating plate and the positioning plate, safe and practical.

[0013] (4) The utility model limits the buffer stroke of the rotating plate on the one hand through the cooperation of the buffer limit groove arranged in the buffer groove and the buffer limit block arranged on the limit slide bar, avoids the separation of the limit slide bar from the buffer groove on the other hand, and can also finely adjust the length direction of the hydraulic cylinder during the installation process, which is convenient and practical.

[0014] (5) The utility model buffers the pressure received by the cylinder body by arranging a buffer backing plate on the positioning plate and through the second return spring, thereby ensuring the safety of the cylinder body during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to make the content of the utility model easier to be clearly understood, the following further detailed description of the utility model is given according to specific embodiments in conjunction with the drawings, where

[0016] Figure 1 is the overall structural schematic diagram of the hydraulic cylinder convenient for installation and adjustment in the utility model;

[0017] Figure 2 is Figure 1 the enlarged view of part A in

[0018] Figure 3 is the cross-sectional view of the overall structure of the positioning plate and the buffer backing plate in the utility model;

[0019] Figure 4 is the cross-sectional view of the overall structure of the rotating plate in the utility model;

[0020] Figure 5 is Figure 4 the enlarged view of part B in

[0021] Figure 6 is the cross-sectional view of the connection structure between the connecting seat and the connecting rod in the utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] See Figures 1 to 6, the utility model has an oil cylinder body 1, an oil inlet 11 and an oil outlet 12 are provided on the oil cylinder body 1, and a piston rod 13 slidably arranged on the oil cylinder body 1 is also provided on the oil cylinder body 1; one end of the oil cylinder body 1 far from the piston rod 13 is provided with an adjusting component 2 for adjusting the installation of the oil cylinder body 1. The adjusting component 2 includes a positioning plate 21 coaxially arranged with the oil cylinder body 1, a plurality of positioning rods 22 circumferentially distributed along the axis of the positioning plate 21 on the positioning plate 21 and capable of being connected with the oil cylinder body 1, a rotating plate 25 rotatably connected to the end face of the positioning plate 21 far from the oil cylinder body 1, a connecting seat 26 fixed on the rotating plate 25, a rotating ball 27 rotatably arranged in the connecting seat 26, a connecting rod 28 fixed on the rotating ball 27, and an ear plate 29 fixed on the connecting rod 28. A plurality of rotating seats 23 corresponding to the respective positioning rods 22 are provided on the positioning plate 21. Oppositely arranged positioning shafts 221 are provided at one end of each positioning rod 22, and torsion springs 232 are sleeved on each positioning shaft 221. Rotating holes 231 corresponding to the respective positioning shafts 221 are provided on the rotating seats 23. The two ends of the torsion spring 232 respectively act in the positioning shaft 221 and the rotating hole 231. A connecting block 24 is provided at the end of the positioning rod 22 far from the rotating seat 23. Connecting grooves 14 corresponding to the respective connecting blocks 24 are provided on the outer wall of the oil cylinder body 1. The positioning plate 21 is detachably and fixedly connected with the oil cylinder body 1 through the cooperation of the positioning shaft 221 and the rotating hole 231, the continuous force application of the torsion spring 232, and the cooperation of the connecting block 24 and the connecting groove 14. A ball groove 261 is provided on the connecting seat 26. The rotating ball 27 is arranged in the ball groove 261, and the ear plate 29 is installed and adjusted through the rotational connection of the rotating plate 25 and the positioning plate 21 and the cooperation of the rotating ball 27 and the ball groove 261.

[0023] A limiting chute 211 coaxially arranged with the positioning plate 21 is provided on the surface of the positioning plate 21 opposite to the rotating plate 25. A limiting inner groove 212 coaxially arranged with the limiting chute 211 is provided in the limiting chute 211. A plurality of limiting sliding rods 252 circumferentially distributed along the axis of the rotating plate 25 are provided on the rotating plate 25. Each limiting sliding rod 252 is slidably arranged in the corresponding limiting chute 211. A limiting block 253 corresponding to the limiting inner groove 212 is provided on each limiting sliding rod 252. Each limiting block 253 is slidably arranged in the corresponding limiting inner groove 212. The rotating plate 25 is rotatably arranged on the positioning plate 21 through the cooperation of the limiting sliding rod 252 and the limiting chute 211 and the cooperation of the limiting block 253 and the limiting inner groove 212.

[0024] A plurality of buffer bases 251 corresponding to the respective limiting slide rods 252 are provided on the rotating plate 25. A buffer groove 255 is provided on the buffer base 251. Each limiting slide rod 252 is slidably disposed in the corresponding buffer groove 255. A first buffer spring 257 is provided in each buffer groove 255. Two ends of the first buffer spring 257 respectively act on the bottom of the buffer groove 255 and the limiting slide rod 252. The rotating plate 25 performs axial buffering through the cooperation of each limiting slide rod 252 and the buffer groove 255, and the continuous force application of the first buffer spring 257.

[0025] A buffer limiting groove 256 parallel to the extending direction of the axis of the buffer groove 255 is provided on the inner wall of the buffer groove 255. A buffer limiting block 254 corresponding to each buffer limiting groove 255 is provided on the limiting slide rod 252. Each limiting slide rod 252 is slidably disposed in the buffer groove 255 through the cooperation of each buffer limiting block 254 and the buffer limiting groove 256.

[0026] The extending direction of the connecting groove 14 is parallel to the axis of the oil cylinder body 1, and the length of the connecting groove 14 is greater than the length of the connecting block 24. The diameter of the positioning plate 21 is greater than the diameter of the oil cylinder body 1. A pressing groove 213 coaxially provided with the positioning plate 21 is provided on the positioning plate 21. The inner diameter of the pressing groove 213 is greater than or equal to the diameter of the oil cylinder body 1. A buffer backing plate 3 is slidably disposed in the pressing groove 213. A second buffer spring 214 is provided in the pressing groove 213. Two ends of the second buffer spring 214 respectively act on the bottom of the pressing groove 213 and the buffer backing plate 3. The buffer backing plate 3 performs sliding buffering on the oil cylinder body 1 through the sliding connection with the pressing groove 213 and the continuous force application of the second buffer spring 214.

[0027] Working principle of the utility model: During the use of the utility model, an operator can connect the connecting blocks 24 on each positioning shaft 221 with the connecting grooves 14 on the outer wall of the oil cylinder body 1, so that the adjusting assembly 2 can be detachably connected with the oil cylinder body 1. During use, first connect the ear plates 29 on the connecting rod 28 of the adjusting assembly 2 with one end of an external device, and then install and adjust the oil cylinder body 1 through the cooperation between the rotating ball 27 on the connecting rod 28 and the ball groove 261, and the rotational connection between the rotating plate 25 and the positioning plate 21. Connect the connecting piece installed on the piston rod 13 with an external force-receiving device. During use, each limiting block 253 is slidably arranged in the corresponding limiting inner groove 212, and the rotating plate 25 is rotatably arranged on the positioning plate 21 through the cooperation between the limiting slide rod 252 and the limiting slide groove 211, and the cooperation between the limiting block 253 and the limiting inner groove 212. The rotating plate 25 performs axial buffering through the cooperation between each limiting slide rod 252 and the buffer groove 255, and the continuous force application of the first buffer spring 257, so as to buffer the axial pressure received on one side of the positioning plate 21. The buffer pad 3 on the other side of the positioning plate 21 performs sliding buffering on the oil cylinder body 1 through the sliding connection with the pressing groove 213 and the continuous force application of the second buffer spring 214, so as to buffer the impact of the oil cylinder body 1 on the positioning plate 21, effectively solving the problem that the oil cylinder body 1 is affected by layout and space during the installation process in the prior art, greatly improving the adjustability of the oil cylinder body 1 during the installation process, thus being applicable to various different installation environments and use environments. During use, the impact force received by the oil cylinder body 1 is greatly reduced, with strong applicability, ingenious structure, high efficiency and convenience.

[0028] In the above specific embodiments, the purpose, technical solutions and beneficial effects of the utility model are further described in detail. It should be understood that the above are only specific embodiments of the utility model and are not used to limit the utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A hydraulic cylinder convenient for installation and adjustment, having a cylinder body, an oil inlet and an oil outlet are provided on the cylinder body, and a piston rod slidably arranged on the cylinder body is also provided on the cylinder body; it is characterized in that: An adjusting component for adjusting the installation of the oil cylinder body is provided at one end of the oil cylinder body far from the piston rod. The adjusting component includes a positioning plate coaxially arranged with the oil cylinder body, a plurality of positioning rods circumferentially distributed along the axis of the positioning plate on the positioning plate and connectable to the oil cylinder body, a rotating plate rotatably connected to the end face of the positioning plate far from the oil cylinder body, a connecting seat fixed on the rotating plate, a rotating ball rotatably arranged in the connecting seat, a connecting rod fixed on the rotating ball, and an ear plate fixed on the connecting rod. A plurality of rotating seats corresponding to the respective positioning rods are provided on the positioning plate. Oppositely arranged positioning shafts are provided at one end of each positioning rod. Torsion springs are sleeved on each positioning shaft. Rotating holes corresponding to the respective positioning shafts are provided on the rotating seats. Two ends of the torsion spring respectively act on the positioning shaft and the rotating hole. A connecting block is provided at the end of the positioning rod far from the rotating seat. Connecting grooves corresponding to the respective connecting blocks are provided on the outer wall of the oil cylinder body. The positioning plate is detachably and fixedly connected to the oil cylinder body through the cooperation of the positioning shaft and the rotating hole, the continuous force application of the torsion spring, and the cooperation of the connecting block and the connecting groove. A ball groove is provided on the connecting seat. The rotating ball is arranged in the ball groove. The ear plate is installed and adjusted through the rotational connection of the rotating plate and the positioning plate and the cooperation of the rotating ball and the ball groove.

2. The hydraulic cylinder convenient for installation and adjustment according to claim 1, characterized in that: A limiting sliding groove coaxially arranged with the positioning plate is provided on the surface of the positioning plate opposite to the rotating plate. A limiting inner groove coaxially arranged with the limiting sliding groove is provided in the limiting sliding groove. A plurality of limiting sliding rods circumferentially distributed along the axis of the rotating plate are provided on the rotating plate. Each limiting sliding rod is slidably arranged in the corresponding limiting sliding groove. A limiting block corresponding to the limiting inner groove is provided on each limiting sliding rod. Each limiting block is slidably arranged in the corresponding limiting inner groove. The rotating plate is rotatably arranged on the positioning plate through the cooperation of the limiting sliding rod and the limiting sliding groove and the cooperation of the limiting block and the limiting inner groove.

3. The hydraulic cylinder that is convenient for installation and adjustment according to claim 2, wherein: A plurality of buffer bases corresponding to the respective limiting sliding rods are provided on the rotating plate. A buffer groove is provided on the buffer base. Each limiting sliding rod is slidably arranged in the corresponding buffer groove. A first buffer spring is provided in each buffer groove. Two ends of the first buffer spring respectively act on the bottom of the buffer groove and the limiting sliding rod. The rotating plate performs axial buffering through the cooperation of each limiting sliding rod and the buffer groove and the continuous force application of the first buffer spring.

4. A hydraulic cylinder that is convenient for installation and adjustment according to claim 3, wherein: Buffer limiting grooves parallel to the extending direction of the axis of the buffer groove are provided on the inner wall of the buffer groove. Buffer limiting blocks corresponding to the respective buffer limiting grooves are provided on the limiting sliding rod. Each limiting sliding rod is slidably arranged in the buffer groove through the cooperation of each buffer limiting block and the buffer limiting groove.

5. The hydraulic cylinder convenient for installation and adjustment according to claim 4, wherein: The extending direction of the connecting groove is arranged parallel to the axis of the oil cylinder body, and the length of the connecting groove is greater than the length of the connecting block. The diameter of the positioning plate is greater than the diameter of the oil cylinder body. A pressing groove coaxial with the positioning plate is provided on the positioning plate. The inner diameter of the pressing groove is greater than or equal to the diameter of the oil cylinder body. A buffer backing plate is slidably arranged in the pressing groove. A second buffer spring is arranged in the pressing groove. The two ends of the second buffer spring act on the bottom of the pressing groove and the buffer backing plate respectively. The buffer backing plate performs sliding buffering on the oil cylinder body through the sliding connection with the pressing groove and the continuous force application of the second buffer spring.

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