An adjustable oil cylinder

By using a servo motor to drive the threaded rod and the sliding hole and sliding rod in conjunction with the guide groove and guide block, the problem of low adjustment accuracy of the hydraulic cylinder is solved, realizing flexible adjustment of the hydraulic cylinder stroke and stable movement, thus improving the performance.

CN224496974UActive Publication Date: 2026-07-14WEI HAI KAITE HYDRAULIC TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WEI HAI KAITE HYDRAULIC TECH CO LTD
Filing Date
2025-07-28
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

The existing hydraulic cylinder adjustment mechanism has low precision and cannot be accurately adjusted according to actual conditions, which affects the performance.

Method used

A servo motor drives the threaded rod to rotate in the threaded adjustment hole and the inner ring of the bearing. Combined with the cooperation of the sliding hole and the sliding rod, and through the cooperation of the guide groove and the guide block, the hydraulic cylinder stroke can be flexibly adjusted and the movement can be stable.

Benefits of technology

This enables flexible adjustment of the cylinder stroke and stable movement, improving the cylinder's performance.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224496974U_ABST
    Figure CN224496974U_ABST
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Abstract

The utility model belongs to the technical field of oil cylinder, concretely is an adjustable oil cylinder, including right angle board, the upper surface fixed connection of right angle board has two connecting plates, the side surface of two connecting plates is close to each other and is fixedly connected with fixed plate in common, the back of fixed plate and the front of right angle board are fixedly connected, be equipped with the adjusting plate between two connecting plates, the upper surface fixed mounting of adjusting plate has oil cylinder body, the output end fixed mounting of oil cylinder body has connecting sleeve. The utility model through the output end of servo motor drives screw rod to rotate in screw adjusting hole and bearing inner race, realizes the up and down movement of adjusting plate, thereby the stroke of oil cylinder is adjusted flexibly, and adjusting plate can keep stable movement track with the cooperation of sliding hole and sliding rod, and the cooperation of connecting plate and guide block ensures the stable adjustment process.
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Description

Technical Field

[0001] This utility model belongs to the field of hydraulic cylinder technology, specifically an adjustable hydraulic cylinder. Background Technology

[0002] Swing cylinders and rotary cylinders are used to realize the swinging or rotating motion of mechanical parts, and can be adjusted according to actual working conditions.

[0003] Hydraulic cylinders, driven by a hydraulic system, enable precise oscillating or rotating movements of mechanical components. Existing hydraulic cylinders typically have simple adjustment mechanisms, but the adjustment precision is usually low, making them unsuitable for specific conditions and thus affecting their performance. Summary of the Invention

[0004] The purpose of this invention is to provide an adjustable hydraulic cylinder to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] An adjustable hydraulic cylinder includes a right-angle plate. Two connecting plates are fixedly connected to the upper surface of the right-angle plate. A fixing plate is fixedly connected to one side of the two connecting plates that are close to each other. The back of the fixing plate is fixedly connected to the front of the right-angle plate. An adjusting plate is provided between the two connecting plates. A hydraulic cylinder body is fixedly installed on the upper surface of the adjusting plate. A connecting sleeve is fixedly installed at the output end of the hydraulic cylinder body. Two locking holes are opened on the outer surface of the connecting sleeve. A locking pin is threaded to the inner ring of each locking hole. A threaded adjusting hole is opened on the upper surface of the adjusting plate. A threaded rod is threaded to the inner ring of the threaded adjusting hole. Bearings are fixedly embedded on the upper surface of the right-angle plate and the bottom surface of the fixing plate. The inner rings of the two bearings are threaded to the outer surface of the top end and the outer surface of the bottom end of the threaded rod, respectively. A servo motor is fixedly installed on the bottom surface of the right-angle plate. The bottom end of the threaded rod is fixedly connected to the output end of the servo motor.

[0007] In a further embodiment, a stabilizing plate is fixedly connected to the upper surface of the right-angle plate, and two stabilizing plates are fixedly connected to each other on one side and to the other side of the connecting plate on the opposite side.

[0008] In a further embodiment, two curved plates are fixedly connected to the bottom surface of the adjusting plate, and the upper surface of each curved plate is in contact with the bottom end of the cylinder body.

[0009] In a further embodiment, two support plates are fixedly connected to the upper surface of the right-angle plate, and the rear end of each support plate is fixedly connected to the front end of the right-angle plate.

[0010] In a further embodiment, the front of the right-angle plate has two sets of equally spaced mounting holes, and the inner ring of each mounting hole is threaded.

[0011] In a further embodiment, guide grooves are provided on the sides of the two connecting plates that are close to each other, and a guide block is slidably connected to the inner ring of each guide groove. The sides of the two guide blocks that are close to each other are fixedly connected to the left and right sides of the adjusting plate, respectively.

[0012] In a further embodiment, the upper surface of the adjusting plate has two sliding holes, and a sliding rod is slidably connected to the inner ring of each sliding hole. The top and bottom ends of each sliding rod are respectively fixedly connected to the bottom surface of the fixing plate and the upper surface of the right-angle plate.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This invention uses the output end of a servo motor to drive a threaded rod to rotate in the threaded adjustment hole and the inner ring of the bearing, thereby realizing the up and down movement of the adjustment plate and flexibly adjusting the stroke of the hydraulic cylinder. The adjustment plate, with the cooperation of the sliding hole and the sliding rod, can maintain a stable movement trajectory. The connecting plate, with the cooperation of the guide groove and the guide block, ensures a smooth adjustment process. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the right-angle plate of this utility model.

[0016] Figure 2 This is a bottom view of the right-angle plate of this utility model.

[0017] Figure 3 This is a side view of the connecting plate of this utility model.

[0018] Figure 4 This is a top view cross-sectional structural diagram of the connecting plate of this utility model.

[0019] Figure 5 This is a bottom view of the fixing plate of this utility model.

[0020] In the diagram: 1. Right-angle plate; 2. Fixing plate; 3. Connecting plate; 4. Stabilizing plate; 5. Adjusting plate; 6. Cylinder body; 7. Bend plate; 8. Connecting sleeve; 9. Support plate; 10. Bearing; 11. Threaded rod; 12. Servo motor; 13. Mounting hole; 14. Locking hole; 15. Locking pin; 16. Guide groove; 17. Guide block; 18. Threaded adjustment hole; 19. Sliding hole; 20. Sliding rod. Detailed Implementation

[0021] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-5An adjustable hydraulic cylinder includes a right-angle plate 1. Two connecting plates 3 are fixedly connected to the upper surface of the right-angle plate 1. A fixing plate 2 is fixedly connected to one side of the two connecting plates 3 that are close to each other. The back of the fixing plate 2 is fixedly connected to the front of the right-angle plate 1. An adjusting plate 5 is provided between the two connecting plates 3. A hydraulic cylinder body 6 is fixedly installed on the upper surface of the adjusting plate 5. A connecting sleeve 8 is fixedly installed at the output end of the hydraulic cylinder body 6. Two locking holes 14 are opened on the outer surface of the connecting sleeve 8. A locking pin 15 is threadedly connected to the inner ring of each locking hole 14. A threaded adjusting hole 18 is opened on the upper surface of the adjusting plate 5. A threaded rod 11 is threadedly connected to the inner ring of the threaded adjusting hole 18. Bearings 10 are fixedly embedded on the upper surface of the right-angle plate 1 and the bottom surface of the fixing plate 2. The inner rings of the two bearings 10 are threadedly connected to the outer surface of the top end and the outer surface of the bottom end of the threaded rod 11, respectively. A servo motor 12 is fixedly installed on the bottom surface of the right-angle plate 1. The bottom end of the threaded rod 11 is fixedly connected to the output end of the servo motor 12.

[0025] A stabilizing plate 4 is fixedly connected to the upper surface of the right-angle plate 1. The two stabilizing plates 4 are fixedly connected to each other on one side and to the opposite side of the connecting plate 3 on the other side. The stabilizing plates 4 can fix the connecting plate 3. Two curved plates 7 are fixedly connected to the bottom surface of the adjusting plate 5. The upper surface of each curved plate 7 is in contact with the bottom end of the cylinder body 6. The curved plates 7 can be used to support the cylinder body 6. Two support plates 9 are fixedly connected to the upper surface of the right-angle plate 1. The rear end of each support plate 9 is fixedly connected to the front of the right-angle plate 1. The support plates 9 can be used to position the adjusting plate 5.

[0026] The right-angle plate 1 has two sets of equally spaced mounting holes 13 on its front side. Each mounting hole 13 has a threaded inner ring. The mounting holes 13 facilitate the installation of the right-angle plate 1 in a designated position. The two connecting plates 3 have guide grooves 16 on their adjacent sides. Each guide groove 16 has a guide block 17 slidably connected to its inner ring. The two guide blocks 17 are fixedly connected to the left and right sides of the adjusting plate 5 on their adjacent sides. The cooperation between the guide grooves 16 and the guide blocks 17 makes the adjusting plate 5 move more smoothly. The upper surface of the adjusting plate 5 has two sliding holes 19. Each sliding hole 19 has a sliding rod 20 slidably connected to its inner ring. The top and bottom of each sliding rod 20 are fixedly connected to the bottom surface of the fixing plate 2 and the upper surface of the right-angle plate 1, respectively. The cooperation between the sliding rods 20 and the sliding holes 19 makes the adjusting plate 5 move more smoothly.

[0027] The working principle of this utility model:

[0028] In use, the servo motor 12 is first connected to the power supply and controlled by the control switch. The output of the servo motor 12 drives the threaded rod 11 to rotate in the threaded adjustment hole 18 and the inner ring of the bearing 10. As the adjusting plate 5 moves up and down, the stroke of the hydraulic cylinder is adjusted. At the same time, the adjusting plate 5 can maintain a stable movement trajectory through the cooperation of the sliding hole 19 and the sliding rod 20. The connecting plate 3 ensures the smoothness of the adjustment process through the cooperation of the guide groove 16 and the guide block 17, realizing the flexible adjustment of the stroke of the hydraulic cylinder body 6 and improving the use effect of the hydraulic cylinder body 6.

[0029] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0030] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An adjustable hydraulic cylinder, characterized in that: Includes a right-angle plate (1), on the upper surface of which two connecting plates (3) are fixedly connected. A fixing plate (2) is fixedly connected to one side of each connecting plate (3) that is close to the other. The back of the fixing plate (2) is fixedly connected to the front of the right-angle plate (1). An adjusting plate (5) is provided between the two connecting plates (3). A cylinder body (6) is fixedly mounted on the upper surface of the adjusting plate (5). A connecting sleeve (8) is fixedly mounted on the output end of the cylinder body (6). Two locking holes (14) are opened on the outer surface of the connecting sleeve (8). The inner surface of each locking hole (14) has... The ring is threaded with locking pins (15), and the upper surface of the adjusting plate (5) is provided with threaded adjusting holes (18). The inner ring of the threaded adjusting holes (18) is threaded with threaded rods (11). The upper surface of the right-angle plate (1) and the bottom surface of the fixing plate (2) are both fixedly inlaid with bearings (10). The inner rings of the two bearings (10) are respectively threaded to the outer surface of the top end of the threaded rod (11) and the outer surface of the bottom end of the threaded rod (11). The bottom surface of the right-angle plate (1) is fixedly installed with a servo motor (12), and the bottom end of the threaded rod (11) is fixedly connected to the output end of the servo motor (12).

2. The adjustable hydraulic cylinder according to claim 1, characterized in that: The upper surface of the right-angle plate (1) is fixedly connected to a stabilizing plate (4), and the two stabilizing plates (4) are fixedly connected to each other on one side and to the connecting plate (3) on the other side away from each other.

3. An adjustable hydraulic cylinder according to claim 1, characterized in that: The bottom surface of the adjusting plate (5) is fixedly connected to two curved plates (7), and the upper surface of each curved plate (7) is in contact with the bottom end of the cylinder body (6).

4. An adjustable hydraulic cylinder according to claim 1, characterized in that: Two support plates (9) are fixedly connected to the upper surface of the right-angle plate (1), and the rear end of each support plate (9) is fixedly connected to the front end of the right-angle plate (1).

5. An adjustable hydraulic cylinder according to claim 1, characterized in that: The right-angle plate (1) has two sets of equally spaced mounting holes (13) on its front side, and each mounting hole (13) has a threaded inner ring.

6. An adjustable hydraulic cylinder according to claim 1, characterized in that: The two connecting plates (3) are provided with guide grooves (16) on their sides that are close to each other. Each guide groove (16) is slidably connected to a guide block (17) on its inner ring. The two guide blocks (17) are fixedly connected to the left and right sides of the adjusting plate (5) on their sides that are close to each other.

7. An adjustable hydraulic cylinder according to claim 1, characterized in that: The upper surface of the adjustment plate (5) has two sliding holes (19), and the inner ring of each sliding hole (19) is slidably connected to a sliding rod (20). The top end and bottom end of each sliding rod (20) are respectively fixedly connected to the bottom surface of the fixing plate (2) and the upper surface of the right angle plate (1).