Adjustable hydraulic cylinder

Abstract

The utility model discloses an adjustable hydraulic cylinder, which relates to the hydraulic cylinder field, and comprises a cylinder body, an adjusting assembly and a fixing piece, the outer side of the cylinder body is provided with a fixing frame, the bottom of the fixing frame is provided with a supporting seat, and the four sides of the bottom of the fixing frame are provided with installation assemblies. And the mounting assembly comprises a mounting plate, a clamping strip, a pulling piece, a limiting rod and a reset spring, and the adjusting assembly is arranged at the top of the cylinder body. According to the adjustable hydraulic cylinder, by arranging the mounting assembly and the adjusting assembly, in the using process of the hydraulic cylinder, a worker can conveniently mount the hydraulic cylinder, so that the overall structure is more stable and firmer, the situation that the hydraulic cylinder moves in the subsequent using process is avoided, smooth operation of the hydraulic cylinder is guaranteed, and the service life of the hydraulic cylinder is prolonged. And meanwhile, the hydraulic cylinder has adjustability, a worker can conveniently adjust the hydraulic cylinder according to actual requirements, the application range of the hydraulic cylinder is wider, and the worker can conveniently use the hydraulic cylinder.

Description

Technical Field

[0001] The utility model relates to the field of hydraulic cylinders, and specifically relates to an adjustable hydraulic cylinder. Background Technique

[0002] A hydraulic cylinder belongs to a kind of hydraulic transmission device. It utilizes the characteristic that liquid transmits pressure under the condition of constant volume, converts pressure into force acting on the piston, thereby realizing the pushing and pulling movement of the piston. The other end of the hydraulic cylinder is connected to an actuator, generally used in conjunction with some mechanical devices to complete various work tasks.

[0003] However, there are still some deficiencies in the current hydraulic cylinders. For example, a hydraulic cylinder with adjustable stroke, whose application number is 202021454121.0, has not been comprehensively considered in terms of the adjustment structure of the hydraulic cylinder. During the use of the hydraulic cylinder, if the adjustment structure of the hydraulic cylinder is not comprehensively considered, it is not convenient for the staff to adjust according to the actual needs, which limits the application range of the hydraulic cylinder and is not convenient for the staff to use the hydraulic cylinder.

[0004] Therefore, it is urgent to improve this shortcoming. The utility model studies and improves the existing structure and deficiencies, and provides an adjustable hydraulic cylinder. Content of the Utility Model

[0005] The purpose of the utility model is to provide an adjustable hydraulic cylinder to solve the problems put forward in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: an adjustable hydraulic cylinder, including a cylinder body, an adjustment component and a fixing component. A fixing frame is arranged on the outer side of the cylinder body, a support seat is arranged at the bottom of the fixing frame, and installation components are arranged on the four sides at the bottom of the fixing frame. Moreover, the installation component includes an installation plate, a clamping strip, a pulling piece, a limiting rod and a return spring. The adjustment component is arranged on the top of the cylinder body, and the adjustment component includes a rotating piece, a threaded rod, a first connecting block, a first rotating rod, a connecting piece, a second rotating rod, a second connecting block, an adjusting piece and a telescopic piece. The fixing component is arranged above the adjustment component, and a flange plate is fixedly connected to the outer side of the top of the fixing component.

[0007] Further, the installation plate is welded to the four sides at the bottom of the fixing frame, and the installation plate is fixedly connected to the support seat through threads. Cross-shaped card slots are arranged on both sides of the installation plate.

[0008] Further, the clamping strips are snap-connected to both sides of the installation plate through the cross-shaped card slots. A pulling piece is welded to the top of the clamping strip, and the center of the bottom of the clamping strip is rotatably connected to a limiting rod.

[0009] Further, the bottom end of the limiting rod extends into the interior of the support seat, and the bottom end of the limiting rod is in limiting connection with the support seat, and a return spring is arranged on the outer side of the bottom end of the limiting rod.

[0010] Further, a threaded rod is welded to the center of the bottom of the rotating member, and the rotating member is rotationally connected to the top of the cylinder body through the threaded rod, and first connecting blocks are welded to the four sides of the outer wall of the rotating member.

[0011] Further, one side of the first connecting block is rotationally connected to a first rotating rod, one end of the first rotating rod is rotationally connected to a connecting member, and the first rotating rod is rotationally connected to a second rotating rod through the connecting member, and one end of the second rotating rod is rotationally connected to a second connecting block.

[0012] Further, an adjusting member is welded to the inner wall of the second connecting block, a telescopic member is fixedly connected to the inner bottom of the adjusting member, and the bottom end of the telescopic member is fixedly connected to the interior of the rotating member.

[0013] Further, a threaded hole is formed in the center of the top of the adjusting member, and the adjusting member is rotationally connected to the fixing member through the threaded hole.

[0014] The utility model provides an adjustable hydraulic cylinder, which has the following beneficial effects:

[0015] 1. The utility model is provided with an installation component. During the use of the hydraulic cylinder, the clamping strip is clamped with the cross-shaped card slot. In addition, the staff can use bolts to fixedly connect the installation plate and the support seat, so that the staff can complete the installation and fixation of the hydraulic cylinder. The structure is simple, the connection between the structures is closer, the overall structure is more stable and reliable, which is convenient for the staff to operate and use, improves the installation efficiency of the hydraulic cylinder by the staff, avoids the situation of movement during the subsequent use of the hydraulic cylinder, ensures the smooth operation of the hydraulic cylinder, and is convenient for the staff to use the hydraulic cylinder.

[0016] 2. The utility model is provided with an adjusting component. During the use of the hydraulic cylinder, the distance between the rotating member and the adjusting member is adjusted, which is convenient for the hydraulic cylinder to adjust and change the processing length, so that the hydraulic cylinder has adjustability, which is convenient for the staff to adjust according to the actual requirements, makes the application range of the hydraulic cylinder wider, makes the use of the hydraulic cylinder by the staff more convenient, and is convenient for the staff to use the hydraulic cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structure diagram of the appearance of an adjustable hydraulic cylinder of the utility model;

[0018] Figure 2 is a partial sectional view of the three-dimensional structure of the fixing frame - installation component of an adjustable hydraulic cylinder of the utility model;

[0019] Figure 3 For a structure amplification schematic diagram of part A in an adjustable hydraulic cylinder of the present utility model Figure 2 in the middle;

[0020] Figure 4 For a three-dimensional structure schematic diagram of an adjustment assembly of an adjustable hydraulic cylinder of the present utility model.

[0021] In the figure: 1, cylinder block; 2, fixing bracket; 3, support base; 4, installation assembly; 401, installation plate; 402, engaging strip; 403, pulling member; 404, limiting rod; 405, return spring; 5, adjustment assembly; 501, rotating member; 502, threaded rod; 503, first connection block; 504, first rotating rod; 505, connecting member; 506, second rotating rod; 507, second connection block; 508, adjusting member; 509, telescopic member; 6, fixing member; 7, flange plate. Specific embodiments

[0022] The following further describes in detail the embodiments of the present utility model in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0023] As Figures 1-3 shown, an adjustable hydraulic cylinder includes a cylinder block 1, an adjustment assembly 5 and a fixing member 6. A fixing bracket 2 is arranged on the outer side of the cylinder block 1, and a support base 3 is arranged at the bottom of the fixing bracket 2. Moreover, installation assemblies 4 are arranged on the four sides of the bottom of the fixing bracket 2. The installation assembly 4 includes an installation plate 401, an engaging strip 402, a pulling member 403, a limiting rod 404 and a return spring 405. The installation plate 401 is welded to the four sides of the bottom of the fixing bracket 2, and the installation plate 401 is fixedly connected to the support base 3 by threads. Moreover, cross-shaped slots are arranged on both sides of the installation plate 401. The engaging strip 402 is snap-connected to both sides of the installation plate 401 through the cross-shaped slots. The pulling member 403 is welded to the top of the engaging strip 402. Moreover, the bottom center of the engaging strip 402 is rotatably connected to the limiting rod 404. The bottom end of the limiting rod 404 extends into the interior of the support base 3, and the bottom end of the limiting rod 404 is in limit connection with the support base 3. Moreover, a return spring 405 is arranged on the outer side of the bottom end of the limiting rod 404;

[0024] The specific operation is as follows. The staff places the fixing frame 2 arranged on the outer side of the cylinder block 1 above the support seat 3, and uses the installation component 4 to install the fixing frame 2. Adjust the angle of the engaging strip 402, then align the cross-shaped slots arranged on both sides of the mounting plate 401 with the engaging strip 402, so that the engaging strip 402 passes through the cross-shaped slots. Then, pull the pulling member 403 welded to the top of the engaging strip 402, so that the engaging strip 402 is lifted upward, and compress the return spring 405 arranged on the outer side of the bottom end of the limiting rod 404 at the bottom of the engaging strip 402. Then, after rotating the engaging strip 402, release the restriction on the pulling member 403, so that the engaging strip 402 gradually engages with the cross-shaped slots under the elastic force of the return spring 405. In addition, the staff can use bolts to fixedly connect the mounting plate 401 and the support seat 3, so that the staff completes the installation and fixation of the hydraulic cylinder. The structure is simple and convenient for the staff to operate and use.

[0025] As Figure 1 and Figure 4 shown, the adjusting component 5 is arranged on the top of the cylinder block 1, and the adjusting component 5 includes a rotating member 501, a threaded rod 502, a first connecting block 503, a first rotating rod 504, a connecting member 505, a second rotating rod 506, a second connecting block 507, an adjusting member 508 and a telescopic member 509. The bottom center of the rotating member 501 is welded with a threaded rod 502, and the rotating member 501 is rotationally connected to the top of the cylinder block 1 through the threaded rod 502. Four sides of the outer wall of the rotating member 501 are welded with first connecting blocks 503. One side of the first connecting block 503 is rotationally connected to a first rotating rod 504. One end of the first rotating rod 504 is rotationally connected to a connecting member 505. The first rotating rod 504 is rotationally connected to a second rotating rod 506 through the connecting member 505. One end of the second rotating rod 506 is rotationally connected to a second connecting block 507. The inner wall of the second connecting block 507 is welded with an adjusting member 508. The inner bottom of the adjusting member 508 is fixedly connected with a telescopic member 509. The bottom end of the telescopic member 509 is fixedly connected to the inside of the rotating member 501. The fixing member 6 is arranged above the adjusting component 5. A threaded hole is opened at the center of the top of the adjusting member 508, and the adjusting member 508 is rotationally connected to the fixing member 6 through the threaded hole. A flange plate 7 is fixedly connected to the outer side of the top of the fixing member 6;

[0026] The specific operation is as follows. The staff can rotate and remove the fixing member 6 from the top of the cylinder block 1, and then connect the adjusting assembly 5 to the top of the cylinder block 1. By using the threaded rod 502 welded to the center of the bottom of the rotating member 501, the rotating member 501 is rotatably connected to the top of the cylinder block 1. And by using the threaded hole opened at the center of the top of the adjusting member 508, the fixing member 6 is rotatably connected above the adjusting member 508. Then, the staff uses the telescopic member 509 to adjust the angles among the first rotating rod 504, the connecting member 505 and the second rotating rod 506, so as to adjust the distance between the rotating member 501 and the adjusting member 508, which is convenient for the hydraulic cylinder to adjust and change the processing length, making it more convenient for the staff to use the hydraulic cylinder and facilitating the use of the staff.

[0027] In summary, for the adjustable hydraulic cylinder, according to Figures 1-4 the structure shown in

[0028] The embodiments of the present invention are given for purposes of illustration and description, and are not exhaustive or limit the present invention to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are chosen and described in order to better explain the principles of the present invention and its practical application, and to enable those of ordinary skill in the art to understand the present invention and design various embodiments with various modifications suitable for specific purposes.

Claims

1. An adjustable hydraulic cylinder, comprising a cylinder body (1), an adjustment assembly (5) and a fixing member (6), characterized in that: A fixing frame (2) is arranged on the outer side of the cylinder body (1), and a supporting seat (3) is arranged at the bottom of the fixing frame (2), and a mounting assembly (4) is arranged on four sides of the bottom of the fixing frame (2), and the mounting assembly (4) comprises a mounting plate (401), a locking strip (402), a pulling member (403), a limiting rod (404) and a reset spring (405). The adjusting assembly (5) is arranged on the top of the cylinder body (1), and the adjusting assembly (5) comprises a rotating member (501), a threaded rod (502), a first connecting block (503), a first rotating rod (504), a connecting member (505), a second rotating rod (506), a second connecting block (507), an adjusting member (508) and a telescopic member (509). The fixing member (6) is arranged above the adjusting member (5), and a flange plate (7) is fixedly connected to the outer side of the top of the fixing member (6).

2. An adjustable hydraulic cylinder according to claim 1, characterized in that: The mounting plate (401) is welded to the four sides of the bottom of the fixing frame (2), and the mounting plate (401) is fixedly connected to the support seat (3) via threads, and cross slots are provided on both sides of the mounting plate (401).

3. An adjustable hydraulic cylinder according to claim 1, characterized in that: The two sides of the mounting plate (401) are connected to the clamping strips (402) by means of cross clamping grooves, a pulling piece (403) is welded to the top of the clamping strip (402), and the bottom center of the clamping strip (402) is rotatably connected to the limit rod (404).

4. An adjustable hydraulic cylinder according to claim 1, characterized in that: The bottom end of the limiting rod (404) extends into the interior of the support seat (3), and the bottom end of the limiting rod (404) is connected to the support seat (3) in a limiting manner, and a return spring (405) is arranged on the outside of the bottom end of the limiting rod (404).

5. The adjustable hydraulic cylinder according to claim 1, characterized in that: A threaded rod (502) is welded to the center of the bottom of the rotating member (501), and the rotating member (501) is rotatably connected to the top of the cylinder body (1) through the threaded rod (502), and first connecting blocks (503) are welded to four sides of the outer wall of the rotating member (501).

6. An adjustable hydraulic cylinder according to claim 1, characterized in that: One side of the first connecting block (503) is rotatably connected to a first rotating rod (504), and one end of the first rotating rod (504) is rotatably connected to a connecting piece (505), and the first rotating rod (504) is rotatably connected to a second rotating rod (506) through the connecting piece (505), and one end of the second rotating rod (506) is rotatably connected to a second connecting block (507).

7. An adjustable hydraulic cylinder according to claim 1, characterized in that: An adjusting member (508) is welded to the inner wall of the second connecting block (507), and a telescopic member (509) is fixedly connected to the inner bottom of the adjusting member (508), and the bottom end of the telescopic member (509) is fixedly connected to the inside of the rotating member (501).

8. An adjustable hydraulic cylinder according to claim 1, characterized in that: A threaded hole is provided at the center of the top of the adjusting member (508), and the adjusting member (508) is rotatably connected to the fixing member (6) through the threaded hole.

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