A hydraulic cylinder

By setting up quick-connect components and angle adjustment components on the hydraulic cylinder, the problem of the inflexible disassembly of existing hydraulic cylinders is solved, enabling rapid installation and stable connection, supporting angle adjustment, and improving the convenience and stability of installation.

CN224283075UActive Publication Date: 2026-05-26HANGZHOU DIEYUN HYDRAULIC EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HANGZHOU DIEYUN HYDRAULIC EQUIP CO LTD
Filing Date
2025-05-09
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing hydraulic cylinders typically have welded mounting and adjustment structures, which do not allow for flexible disassembly and installation.

Method used

It adopts quick-assembly and angle adjustment components, including a fixing frame, limit ring, damping rotation ring, arc-shaped insert plate, fixed bearing, limit plate and flip plate, etc., to achieve stable connection and flexible disassembly through quick assembly and angle adjustment.

Benefits of technology

It enables rapid assembly, installation, and disassembly of hydraulic cylinders, enhances stability, and supports angle adjustment, thereby improving installation flexibility and convenience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224283075U_ABST
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Abstract

This utility model relates to the field of hydraulic cylinder technology and discloses a hydraulic cylinder, including a quick-assembly assembly on the back of the hydraulic cylinder for rapid installation. An angle adjustment assembly is also provided on the back of the quick-assembly assembly to assist in angle adjustment of the hydraulic cylinder. The quick-assembly assembly includes two sets of fixing brackets. This hydraulic cylinder, by installing the quick-assembly assembly, uses the fixing brackets to restrict the limiting ring. After insertion, rotating the damping rotating ring drives the arc-shaped insert plate to insert into the inner side of the arc-shaped groove along the arc structure. Insertion prevents the damping rotating ring from falling off. Further restriction is achieved by installing positioning pins, further improving stability. The quick-assembly assembly enables rapid assembly and installation, facilitating disassembly and installation.
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Description

Technical Field

[0001] This utility model relates to the field of hydraulic cylinder technology, specifically to a hydraulic cylinder. Background Technology

[0002] Hydraulic cylinders are typically used to push and pull various devices and equipment that require actuation. The adjustment is achieved by using hydraulic control equipment to change the position of hydraulic oil inside the hydraulic cylinder and by using the hydraulic oil to squeeze, thereby adjusting the extension and retraction of the central piston rod.

[0003] In existing technologies, hydraulic cylinders are usually equipped with adjustment structures for movement adjustment. However, these structures are mostly welded and cannot be flexibly disassembled and installed. Utility Model Content

[0004] The purpose of this utility model is to provide a hydraulic cylinder that solves the problem that existing hydraulic cylinders in the background art usually have an adjustment structure installed and are used for adjustment. However, these structures are mostly welded and cannot be flexibly disassembled and installed. By setting up a quick-assembly component, the problem of inflexible disassembly and installation can be effectively solved.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] A hydraulic cylinder includes a hydraulic cylinder, a quick-assembly assembly is provided on the back of the hydraulic cylinder, and the quick-assembly assembly is used to achieve the effect of quick installation. An angle adjustment assembly is provided on the back of the quick-assembly assembly, and the angle adjustment assembly is used to assist the hydraulic cylinder in angle adjustment.

[0007] The quick-assembly assembly includes two sets of fixing frames, which are located at the top and bottom of the hydraulic cylinder end. The inner side of the fixing frame is provided with an arc-shaped groove. The quick-assembly assembly includes a limiting ring, and a damping rotating ring is provided on the back of the limiting ring. A combined ring is installed on the outer ring of the contact area between the limiting ring and the damping rotating ring, and a strong limiting sleeve is movably provided on the outer side of the combined ring. Two sets of arc-shaped inserts are installed on the inner side of the damping rotating ring, and the arc-shaped inserts are located on the inner side of the arc-shaped groove.

[0008] The angle adjustment assembly includes a fixed bearing, and a fixed plate is installed on the inner side of the fixed bearing. Two sets of limiting plates are installed on the back of the fixed plate, and a flip plate is provided on the inner side of the limiting plate. A fixed end is installed on the back of the flip plate.

[0009] Preferably, an oil inlet is installed on the right end of the back of the hydraulic cylinder, and an oil outlet is installed on the right side of the front of the hydraulic cylinder.

[0010] Preferably, the hydraulic cylinder has a piston rod inside, and the piston rod has an mounting end installed on its front side.

[0011] Preferably, the hydraulic cylinder is equipped with a front end cover, and three sets of mounting holes are respectively opened on the inside of both sides of the front end cover.

[0012] Preferably, the inner side of the limiting ring is provided with two sets of limiting grooves, and the limiting grooves are located on the outer side of the fixing frame. The fixing posts are embedded in the symmetrical positions of the limiting ring, and the back of the fixing posts is provided with sliding posts.

[0013] Preferably, two sets of sliding arc grooves are provided at corresponding positions on the front side of the damping rotating ring, and a slot is provided at one end of the sliding arc groove, and a positioning pin is embedded in the top of the damping rotating ring.

[0014] Preferably, a combined bearing is installed in the middle of the limiting plate and the flipping plate, and the combined bearing is located on the outer side of both ends of the flipping plate. Two sets of positioning columns are installed on the front of the fixed plate, and the positioning columns are located on the inner side of the back of the hydraulic cylinder.

[0015] Compared with the prior art, the beneficial effects achieved by this utility model are:

[0016] 1. This utility model, by installing a quick-assembly component, uses a fixing frame to restrict the limiting ring. After the assembly is inserted, rotating the damping rotating ring will drive the arc-shaped insert plate to be inserted into the inner side of the arc-shaped groove along the arc structure. After insertion, it can restrict and prevent the damping rotating ring from falling off. Then, the positioning pin can be installed to further restrict and improve stability. The quick-assembly component can achieve the effect of rapid assembly and installation, and facilitate disassembly and installation.

[0017] 2. This utility model, by installing an angle adjustment component, better sets up the angle adjustment component after the quick splicing component. The fixed plate and the damping rotating ring can be connected by using a fixed bearing. The fixed bearing can assist the damping rotating ring to rotate. The positioning column can be inserted into the back of the hydraulic cylinder, thereby ensuring that the fixed plate can be stably set on the back of the hydraulic cylinder. Then, the fixed end can be driven to adjust the angle by using the limit plate and the flip plate. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the main structure of the present utility model;

[0019] Figure 2 This is a schematic diagram of the hydraulic cylinder structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the limiting ring structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the damping rotating ring structure of this utility model.

[0022] The components include: 1. Hydraulic cylinder; 101. Oil inlet; 102. Oil outlet; 103. Fixing bracket; 104. Arc groove; 105. Piston rod; 106. Mounting end; 107. Front end cover; 108. Mounting hole; 2. Limiting ring; 201. Limiting slide groove; 202. Fixing column; 203. Sliding column; 204. Combined ring; 205. Strong limiting sleeve; 3. Damping rotating ring; 302. Sliding arc groove; 303. Slot; 304. Arc insert plate; 305. Positioning pin; 4. Fixing end; 401. Fixing bearing; 402. Fixing disc; 403. Positioning column; 404. Limiting plate; 405. Combined bearing; 406. Tilting plate. Detailed Implementation

[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 Figure 1-4 A hydraulic cylinder includes a hydraulic cylinder 1, a quick-assembly assembly is provided on the back of the hydraulic cylinder 1, and the quick-assembly assembly is used to achieve the effect of quick installation. An angle adjustment assembly is provided on the back of the quick-assembly assembly, and the angle adjustment assembly is used to assist the hydraulic cylinder 1 in angle adjustment.

[0025] The quick-assembly assembly includes two sets of fixing frames 103, which are located at the top and bottom of the end of the hydraulic cylinder 1. The inner side of the fixing frame 103 is provided with an arc-shaped groove 104. The quick-assembly assembly includes a limiting ring 2, and a damping rotating ring 3 is provided on the back of the limiting ring 2. A combination ring 204 is installed on the outer ring of the contact area between the limiting ring 2 and the damping rotating ring 3. A strong limiting sleeve 205 is movably provided on the outer side of the combination ring 204. Two sets of arc-shaped inserts 304 are installed on the inner side of the damping rotating ring 3, and the arc-shaped inserts 304 are located on the inner side of the arc-shaped groove 104.

[0026] The angle adjustment assembly includes a fixed bearing 401, and a fixed plate 402 is installed on the inner side of the fixed bearing 401. Two sets of limiting plates 404 are installed on the back of the fixed plate 402, and a flip plate 406 is provided on the inner side of the limiting plate 404. A fixed end 4 is installed on the back of the flip plate 406.

[0027] Through the above technical solution, the fixing frame 103 can provide restriction for the limiting ring 2. After splicing and insertion, the rotating damping ring 3 can drive the arc-shaped insert plate 304 to be inserted into the inner side of the arc-shaped groove 104 along the arc structure. After insertion, the damping rotating ring 3 can be restricted to prevent it from falling off. The positioning pin 305 can be installed to further restrict it, thereby improving stability. The quick splicing components can achieve the effect of quick assembly and installation, which is convenient for disassembly and installation.

[0028] Through the above technical solution, the fixed disk 402 can be connected to the damping rotating ring 3 by using the fixed bearing 401. The fixed bearing 401 can assist the damping rotating ring 3 to rotate. The positioning column 403 can be inserted into the back of the hydraulic cylinder 1, thereby ensuring that the fixed disk 402 can be stably set on the back of the hydraulic cylinder 1. Then, the fixed end 4 can be adjusted in angle by using the limit plate 404 and the flip plate 406.

[0029] Specifically, an oil inlet 101 is installed on the right end of the back of the hydraulic cylinder 1, and an oil outlet 102 is installed on the right side of the front of the hydraulic cylinder 1.

[0030] Through the above technical solution, the oil inlet 101 and the oil outlet 102 are used to connect with the external hydraulic control device, and after connection, the hydraulic cylinder 1 can be controlled and adjusted.

[0031] Specifically, the hydraulic cylinder 1 has a piston rod 105 inside, and the piston rod 105 has an mounting end 106 mounted on its front side.

[0032] Through the above technical solution, the piston rod 105 is pushed outward under the control of the hydraulic cylinder 1, and the mounting end 106 is used to connect with external devices and equipment.

[0033] Specifically, a front cover 107 is installed on the front of the hydraulic cylinder 1, and three sets of mounting holes 108 are respectively opened on the inside of both sides of the front cover 107.

[0034] Through the above technical solution, the front cover 107 can be easily connected to external devices, and the mounting hole 108 is used for the through bolt structure.

[0035] Specifically, two sets of limiting grooves 201 are provided on the inner side of the limiting ring 2, and the limiting grooves 201 are located on the outer side of the fixing frame 103. The fixing posts 202 are embedded in the symmetrical positions of the limiting ring 2, and the sliding posts 203 are installed on the back of the fixing posts 202.

[0036] Through the above technical solution, the limiting slide 201 can assist in splicing with the fixing frame 103, and the fixing column 202 can be installed inside the limiting ring 2. In addition, the sliding column 203 can increase the locking effect, and the strong limiting sleeve 205 can be removed to separate the two sets of structures during maintenance.

[0037] Specifically, two sets of sliding arc grooves 302 are provided at corresponding positions on the front of the damping rotating ring 3, and a slot 303 is provided at one end of the sliding arc groove 302. A positioning pin 305 is embedded in the top of the damping rotating ring 3.

[0038] Through the above technical solution, the sliding groove 302 can restrict the sliding adjustment of the fixed column 202, the slot 303 can facilitate the insertion of the sliding column 203 for splicing, and the positioning pin 305 is used to embed into the hole opened on the left side of the hydraulic cylinder 1, thereby restricting and preventing rotation.

[0039] Specifically, a combined bearing 405 is installed in the middle of the limiting plate 404 and the flipping plate 406, and the combined bearing 405 is located on the outer side of both ends of the flipping plate 406. Two sets of positioning pins 403 are installed on the front of the fixed plate 402, and the positioning pins 403 are located on the inner side of the back of the hydraulic cylinder 1.

[0040] Through the above technical solution, the combined bearing 405 can assist the damping rotating ring 3 in rotation adjustment, and the positioning pin 403 can limit the fixed plate 402 after being inserted into the back of the hydraulic cylinder 1 to prevent rotation.

[0041] In use, first slide the limiting groove 201 of the limiting ring 2 into the corresponding fixing bracket 103. After installation, keep the positioning pin 403 inserted into the hole on the back of the hydraulic cylinder 1. Then, grasp the damping rotating ring 3 and rotate it along the outside of the hydraulic cylinder 1. During the rotation, the arc-shaped insert plate 304 will slide into the inside of the arc-shaped groove 104. After insertion, the positioning pin 305 will rotate to the left side of the hydraulic cylinder 1. Use a tool to insert the positioning pin 305 for installation. Finally, fix the fixing end 4 and the front cover 107 to the external device.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made to these embodiments without departing from the principles and spirit, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A hydraulic cylinder, comprising a hydraulic cylinder (1), characterized in that: The hydraulic cylinder (1) is provided with a quick splicing component on its back side, and the quick splicing component is used to achieve the effect of quick installation. The quick splicing component is provided with an angle adjustment component on its back side, and the angle adjustment component is used to assist the hydraulic cylinder (1) in angle adjustment. The quick splicing assembly includes two sets of fixing frames (103), and the fixing frames (103) are located at the top and bottom of the end of the hydraulic cylinder (1). The inner side of the fixing frame (103) is provided with an arc groove (104). The quick splicing assembly includes a limiting ring (2), and a damping rotating ring (3) is provided on the back of the limiting ring (2). A combination ring (204) is installed on the outer ring of the contact area between the limiting ring (2) and the damping rotating ring (3). A strong limiting sleeve (205) is movably provided on the outer side of the combination ring (204). Two sets of arc-shaped inserts (304) are installed on the inner side of the damping rotating ring (3), and the arc-shaped inserts (304) are located on the inner side of the arc groove (104). The angle adjustment assembly includes a fixed bearing (401), and a fixed plate (402) is installed on the inner side of the fixed bearing (401). Two sets of limiting plates (404) are installed on the back of the fixed plate (402), and a flip plate (406) is provided on the inner side of the limiting plate (404). A fixed end (4) is installed on the back of the flip plate (406).

2. A hydraulic cylinder according to claim 1, characterized in that: The hydraulic cylinder (1) has an oil inlet (101) installed on the right side of its back and an oil outlet (102) installed on the right side of its front.

3. A hydraulic cylinder according to claim 1, characterized in that: The hydraulic cylinder (1) is provided with a piston rod (105) inside, and an installation end (106) is installed on the front of the piston rod (105).

4. A hydraulic cylinder according to claim 1, characterized in that: The front end cover (107) is installed on the front side of the hydraulic cylinder (1), and three sets of mounting holes (108) are respectively opened on the inside of the two sides of the front end cover (107).

5. A hydraulic cylinder according to claim 1, characterized in that: The inner side of the limiting ring (2) is provided with two sets of limiting slide grooves (201), and the limiting slide grooves (201) are located on the outside of the fixing frame (103). The fixing column (202) is embedded in the symmetrical position of the limiting ring (2), and the back of the fixing column (202) is provided with a sliding column (203).

6. A hydraulic cylinder according to claim 1, characterized in that: Two sets of sliding arc grooves (302) are provided on the corresponding position on the front of the damping rotating ring (3), and a slot (303) is provided at one end of the sliding arc groove (302). A positioning pin (305) is embedded in the top of the damping rotating ring (3).

7. A hydraulic cylinder according to claim 1, characterized in that: A combined bearing (405) is installed in the middle of the limiting plate (404) and the flip plate (406), and the combined bearing (405) is located on the outer side of both ends of the flip plate (406). Two sets of positioning columns (403) are installed on the front of the fixed plate (402), and the positioning columns (403) are located on the inner side of the back of the hydraulic cylinder (1).