Modularized hydraulic oil cylinder structure capable of being rapidly disassembled and assembled

Abstract

The utility model belongs to the technical field of hydraulic oil cylinders, and discloses a modularized quick disassembly and assembly hydraulic oil cylinder structure which comprises a front end sealing frame, and a modularized connecting mechanism is arranged on one side of the front end sealing frame. The modular connecting mechanism comprises a first mounting frame, a second mounting frame, a third mounting frame, a sealing plate, a sealing cylinder, a second sealing ring, a plurality of limiting grooves and a plurality of limiting blocks; the third mounting frame is mounted on one side of the front-end sealing frame; according to the hydraulic oil cylinder, the first mounting frame, the first connecting end and the buffering frame are combined into a whole, the piston is arranged on the second mounting frame, the piston rod is arranged in the front end sealing frame, the shell of the hydraulic oil cylinder is divided into several parts, and all components in the hydraulic oil cylinder are integrated in the corresponding part of the shell; according to the hydraulic oil cylinder, the shell of the hydraulic oil cylinder is convenient to disassemble, and when internal components of the hydraulic oil cylinder need to be replaced, the corresponding part of the shell and the components in the shell are taken down to be replaced, so that the components in the hydraulic oil cylinder are convenient to replace.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic cylinder technology, and in particular to a modular, quick-assembly and disassembly hydraulic cylinder structure. Background Technology

[0002] Hydraulic cylinders are the core actuators in hydraulic transmission systems and are widely used in various fields such as industry, agriculture, construction, and machinery manufacturing. The working principle of hydraulic cylinders is based on the incompressibility of liquids. The piston is driven by the pressure oil in the hydraulic system, thereby realizing the output of mechanical energy.

[0003] Hydraulic cylinders include a housing, piston, piston rod, oil inlet port, etc. When inspecting or repairing hydraulic cylinders, complicated disassembly operations are required, which is inconvenient for disassembly and replacement of internal components. Utility Model Content

[0004] The main purpose of this utility model is to provide a modular, quick-assembly and disassembly structure for hydraulic cylinders, aiming to solve the problem that when inspecting or repairing hydraulic cylinders, complex disassembly operations are required, which are inconvenient to disassemble and replace internal components of the hydraulic cylinders.

[0005] To achieve the aforementioned utility model objectives, the first aspect of this utility model proposes a modular quick-assembly and disassembly hydraulic cylinder structure, including a front-end sealing frame, with a modular connection mechanism provided on one side of the front-end sealing frame; the modular connection mechanism includes a first mounting frame, a second mounting frame, a third mounting frame, a sealing plate, a sealing cylinder, a second sealing ring, a plurality of limiting grooves, and a plurality of limiting blocks. The third mounting frame is mounted on one side of the front-end sealing frame, the second mounting frame is mounted on one side of the third mounting frame, the first mounting frame is mounted on one side of the second mounting frame, the sealing plate is mounted on the inner walls of the first, second, and third mounting frames, the second sealing ring is fixedly mounted on both ends of the sealing cylinder, the plurality of limiting grooves are formed on the outer wall of the sealing cylinder, the plurality of limiting blocks are fixedly mounted on both ends of the inner walls of the first, second, and third mounting frames, the limiting grooves are slidably connected to one side of the corresponding limiting block, and the sealing cylinder is respectively mounted between the front-end sealing frame and the third mounting frame, the third mounting frame and the second mounting frame, and the second mounting frame and the first mounting frame.

[0006] Furthermore, the sealing plate has second sealing grooves at both ends, and the second sealing rings at both ends of the sealing cylinder engage with the corresponding second sealing grooves.

[0007] Furthermore, one of the sealing cylinders is located between one side of the sealing plate in the third mounting frame and the inner wall of the front sealing frame, while the other sealing cylinder is located between adjacent sealing plates.

[0008] Furthermore, a buffer frame is fixedly installed on one end of the inner wall of the first mounting frame, and a buffer cavity and a first inlet are opened on one end of the buffer frame. A first connecting end and a buffer valve are fixedly installed on the outer wall of the first mounting frame. The first connecting end is connected to the first inlet, and the buffer valve is connected to the buffer cavity.

[0009] Furthermore, a piston is slidably connected to the inner wall of the sealing cylinder on the second mounting frame, a sealing element is installed on the outer wall of the piston, and a wear-resistant ring is fixedly installed at one end of the outer wall of the piston. The sealing element and the wear-resistant ring are attached to the corresponding inner wall of the sealing cylinder.

[0010] Furthermore, a fixing frame is fixedly installed at one end of the piston.

[0011] Furthermore, a second inlet is provided on one side of the front sealing frame, a second connecting end is fixedly installed on the outer wall of the front sealing frame, the second connecting end is connected to the second inlet, an oil seal and a dustproof ring are installed on the inner wall of the front sealing frame, a piston rod is slidably connected to the inner wall of the front sealing frame, and the oil seal and dustproof ring are located on the outer wall of the piston rod.

[0012] Furthermore, one end of the piston rod is installed on the piston and the inner wall of the fixed frame, and the piston rod is fixedly installed on the inner wall of the fixed frame by bolts. The other end of the inner wall of the fixed frame is fixedly installed with a buffer component by bolts.

[0013] Furthermore, mounting holes are provided at the four corners of one side edge of the first mounting frame, the second mounting frame, the third mounting frame, and the front sealing frame. Fixing bolts are installed on the inner wall of the mounting holes, and locking nuts are threaded onto the outer wall of the fixing bolts. Gaskets are installed between one end of the fixing bolt and the first mounting frame, and between the locking nut and the front sealing frame.

[0014] Furthermore, a first sealing ring is fixedly installed at one end of each of the first mounting frame, the second mounting frame, and the third mounting frame, and a first sealing groove is opened at one end of each of the front sealing frame, the third mounting frame, and the second mounting frame, and the first sealing ring engages with the corresponding first sealing groove.

[0015] Beneficial effects:

[0016] By combining the first mounting frame, the first connecting end, and the buffer frame into one unit, the piston is placed on the second mounting frame, and the piston rod is placed on the front sealing frame. The housing of the hydraulic cylinder is divided into several parts, and the various internal components of the hydraulic cylinder are integrated into the corresponding housing parts. This facilitates the disassembly of the hydraulic cylinder housing. When it is necessary to replace the internal components of the hydraulic cylinder, the corresponding housing parts and the components therein can be removed and replaced, making it convenient to replace the components in the hydraulic cylinder. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of an embodiment of the present invention;

[0018] Figure 2 This is a side sectional view of an embodiment of the present invention;

[0019] Figure 3 This is an embodiment of the present utility model. Figure 2 Enlarged view of point A in the middle;

[0020] Figure 4 This is an installation diagram of one embodiment of the present utility model.

[0021] in:

[0022] 1-First mounting frame; 2-Second mounting frame; 3-Third mounting frame; 4-Front end sealing frame; 5-First sealing ring; 6-First sealing groove; 7-Sealing plate; 8-Sealing cylinder; 9-Second sealing ring; 10-Limiting groove; 11-Limiting block; 12-Buffer frame; 13-First inlet; 14-First connecting end; 15-Buffer chamber; 16-Buffer valve; 17-Piston; 18-Seal; 19-Wear ring; 20-Fixing frame; 21-Buffer component; 22-Piston rod; 23-Fixing bolt; 24-Locking nut; 25-Gasket; 26-Second inlet; 27-Second connecting end; 28-Oil seal; 29-Dustproof ring.

[0023] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0024] It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0025] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They 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" and "second" 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" and "second" may explicitly or implicitly include one or more of the stated features. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly and specifically defined.

[0026] 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, a direct connection, or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0027] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0028] Reference Figures 1-4 One embodiment of this utility model provides a modular quick-assembly and disassembly hydraulic cylinder structure, including a front sealing frame 4, and a modular connection mechanism is provided on one side of the front sealing frame 4.

[0029] The modular connection mechanism includes a first mounting frame 1, a second mounting frame 2, a third mounting frame 3, a sealing plate 7, a sealing cylinder 8, a second sealing ring 9, several limiting grooves 10, and several limiting blocks 11. The third mounting frame 3 is installed on one side of the front sealing frame 4, the second mounting frame 2 is installed on one side of the third mounting frame 3, the first mounting frame 1 is installed on one side of the second mounting frame 2, the sealing plate 7 is installed on the inner walls of the first mounting frame 1, the second mounting frame 2, and the third mounting frame 3, the second sealing ring 9 is fixedly installed on both ends of the sealing cylinder 8, several limiting grooves 10 are formed on the outer wall of the sealing cylinder 8, and several limiting blocks 11 are fixedly installed on both ends of the inner walls of the first mounting frame 1, the second mounting frame 2, and the third mounting frame 3. The limiting grooves 10 are slidably connected to one side of the corresponding limiting block 11, and the sealing cylinder 8 is respectively installed between the front sealing frame 4 and the third mounting frame 3, between the third mounting frame 3 and the second mounting frame 2, and between the second mounting frame 2 and the first mounting frame 1.

[0030] A buffer frame 12 is fixedly installed on one end of the inner wall of the first mounting frame 1. A buffer cavity 15 and a first inlet 13 are opened on one end of the buffer frame 12. A first connecting end 14 and a buffer valve 16 are fixedly installed on the outer wall of the first mounting frame 1. The first connecting end 14 is connected to the first inlet 13, and the buffer valve 16 is connected to the buffer cavity 15.

[0031] A piston 17 is slidably connected to the inner wall of the sealing cylinder 8 on the second mounting frame 2. A sealing element 18 is installed on the outer wall of the piston 17. A wear-resistant ring 19 is fixedly installed at one end of the outer wall of the piston 17. The sealing element 18 and the wear-resistant ring 19 are attached to the inner wall of the corresponding sealing cylinder 8.

[0032] A second inlet 26 is provided on one side of the front sealing frame 4. A second connecting end 27 is fixedly installed on the outer wall of the front sealing frame 4, and the second connecting end 27 is connected to the second inlet 26. An oil seal 28 and a dustproof ring 29 are installed on the inner wall of the front sealing frame 4. A piston rod 22 is slidably connected to the inner wall of the front sealing frame 4, and the oil seal 28 and the dustproof ring 29 are located on the outer wall of the piston rod 22.

[0033] Optionally, the second sealing ring 9 can be a rubber sealing ring.

[0034] Optionally, the inner walls of the first mounting frame 1, the second mounting frame 2, and the third mounting frame 3 are cylindrical, the sealing plate 7 is annular, and the sealing cylinder 8 is tubular, so that the cylindrical piston 17 can slide on the inner wall of the sealing cylinder 8.

[0035] Optionally, by combining the first mounting frame 1, the first connecting end 14, and the buffer frame 12 into one unit, the piston 17 is placed on the second mounting frame 2, and the piston rod 22 is placed in the front sealing frame 4, the outer shell of the hydraulic cylinder is divided into several parts, and the various components inside the hydraulic cylinder are integrated into the corresponding parts of the outer shell. This facilitates the disassembly of the outer shell of the hydraulic cylinder, and when it is necessary to replace the internal components of the hydraulic cylinder, the corresponding parts of the outer shell and the components therein can be removed for replacement, making it convenient to replace the components inside the hydraulic cylinder.

[0036] Optionally, the first mounting frame 1, the second mounting frame 2, the third mounting frame 3, and the front sealing frame 4 form the complete housing of the hydraulic cylinder.

[0037] In some embodiments, the sealing plate 7 has a second sealing groove at both ends, and the second sealing rings 9 at both ends of the sealing cylinder 8 engage with the corresponding second sealing groove.

[0038] One of the sealing cylinders 8 is located between one side of the sealing plate 7 in the third mounting frame 3 and the inner wall of the front sealing frame 4, and the other sealing cylinder 8 is located between adjacent sealing plates 7.

[0039] A first sealing ring 5 is fixedly installed at one end of the first mounting frame 1, the second mounting frame 2, and the third mounting frame 3. A first sealing groove 6 is opened at one end of the front sealing frame 4, the third mounting frame 3, and the second mounting frame 2. The first sealing ring 5 engages with the corresponding first sealing groove 6.

[0040] Optionally, the first sealing ring 5 can be a metal sealing ring to increase the strength of the sealing structure at the port between the first mounting frame 1, the second mounting frame 2, the third mounting frame 3 and the front sealing frame 4.

[0041] Optionally, the first mounting frame 1, the second mounting frame 2, the third mounting frame 3 and the front sealing frame 4 are sealed in multiple layers by the first sealing ring 5 and the sealing cylinder 8 to ensure the sealing of the connection between the first mounting frame 1, the second mounting frame 2, the third mounting frame 3 and the front sealing frame 4.

[0042] Optionally, limiting blocks 11 are provided on the outer walls of the first mounting frame 1, the second mounting frame 2 and the third mounting frame 3 to facilitate the installation and positioning of the sealing cylinder 8.

[0043] In some embodiments, a fixing frame 20 is fixedly mounted on one end of the piston 17.

[0044] One end of the piston rod 22 is installed on the inner wall of the piston 17 and the fixed frame 20, and the piston rod 22 is fixedly installed on the inner wall of the fixed frame 20 by bolts. The other end of the inner wall of the fixed frame 20 is fixedly installed with a buffer 21 by bolts.

[0045] Mounting holes are provided at the four corners of one side edge of the first mounting frame 1, the second mounting frame 2, the third mounting frame 3, and the front sealing frame 4. Fixing bolts 23 are installed on the inner wall of the mounting holes, and locking nuts 24 are threadedly connected to the outer wall of the fixing bolts 23. Gaskets 25 are installed between one end of the fixing bolts 23 and the first mounting frame 1, and between the locking nuts 24 and the front sealing frame 4.

[0046] Optionally, when installing the hydraulic cylinder, the sealing cylinder 8 in the third mounting frame 3 is inserted into the inner wall of the front sealing frame 4, and the sealing cylinder 8 in the second mounting frame 2 is inserted into one end of the third mounting frame 3. At this time, one end of the piston rod 22 on the front sealing frame 4 is inserted into the piston 17 in the second mounting frame 2 and the inner wall of the fixed frame 20. The piston rod 22 and the buffer 21 are fixed to the fixed frame 20 by bolts. Then, the sealing cylinder 8 on the first mounting frame 1 is inserted into one end of the second mounting frame 2.

[0047] Alternatively, the fixing bolts 23 can be inserted into the mounting holes on the first mounting frame 1, the second mounting frame 2, the third mounting frame 3 and the front sealing frame 4, and the first mounting frame 1, the second mounting frame 2, the third mounting frame 3 and the front sealing frame 4 can be clamped and fixed together by tightening the locking nut 24 on the other end.

[0048] In this example, a gasket 25 is provided on one side of the first mounting frame 1 and the front sealing frame 4 to protect the surfaces of the first mounting frame 1 and the front sealing frame 4.

[0049] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural or procedural transformations made based on the content of the present utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present utility model.

Claims

1. A modular, quick-assembly and disassembly hydraulic cylinder structure, characterized in that: Includes a front sealing frame (4), and a modular connection mechanism is provided on one side of the front sealing frame (4); The modular connection mechanism includes a first mounting frame (1), a second mounting frame (2), a third mounting frame (3), a sealing plate (7), a sealing cylinder (8), a second sealing ring (9), several limiting grooves (10), and several limiting blocks (11). The third mounting frame (3) is mounted on one side of the front sealing frame (4), the second mounting frame (2) is mounted on one side of the third mounting frame (3), the first mounting frame (1) is mounted on one side of the second mounting frame (2), and the sealing plate (7) is installed inside the first mounting frame (1), the second mounting frame (2), and the third mounting frame (3). The second sealing ring (9) is fixedly installed at both ends of the sealing cylinder (8), and a plurality of limiting grooves (10) are opened on the outer wall of the sealing cylinder (8). The plurality of limiting blocks (11) are fixedly installed at both ends of the inner wall of the first mounting frame (1), the second mounting frame (2) and the third mounting frame (3). The limiting grooves (10) are slidably connected to one side of the corresponding limiting block (11). The sealing cylinder (8) is respectively installed between the front sealing frame (4) and the third mounting frame (3), the third mounting frame (3) and the second mounting frame (2), and the second mounting frame (2) and the first mounting frame (1).

2. The modular quick-assembly and disassembly hydraulic cylinder structure according to claim 1, characterized in that, The sealing plate (7) has a second sealing groove at both ends, and the second sealing ring (9) at both ends of the sealing cylinder (8) engages with the corresponding second sealing groove.

3. The modular quick-assembly and disassembly hydraulic cylinder structure according to claim 1, characterized in that, One of the sealing cylinders (8) is located between the sealing plate (7) in the third mounting frame (3) and the inner wall of the front sealing frame (4), and the other sealing cylinder (8) is located between adjacent sealing plates (7).

4. The modular quick-assembly and disassembly hydraulic cylinder structure according to claim 1, characterized in that, A buffer frame (12) is fixedly installed on one end of the inner wall of the first mounting frame (1). The buffer frame (12) has a buffer cavity (15) and a first inlet (13) at one end. A first connecting end (14) and a buffer valve (16) are fixedly installed on the outer wall of the first mounting frame (1). The first connecting end (14) is connected to the first inlet (13), and the buffer valve (16) is connected to the buffer cavity (15).

5. The modular quick-assembly and disassembly hydraulic cylinder structure according to claim 1, characterized in that, A piston (17) is slidably connected to the inner wall of the sealing cylinder (8) on the second mounting frame (2). A sealing element (18) is installed on the outer wall of the piston (17). A wear-resistant ring (19) is fixedly installed at one end of the outer wall of the piston (17). The sealing element (18) and the wear-resistant ring (19) are attached to the inner wall of the corresponding sealing cylinder (8).

6. The modular quick-assembly and disassembly hydraulic cylinder structure according to claim 5, characterized in that, A fixing frame (20) is fixedly installed at one end of the piston (17).

7. The modular quick-assembly and disassembly hydraulic cylinder structure according to claim 5, characterized in that, A second inlet (26) is provided on one side of the front sealing frame (4). A second connecting end (27) is fixedly installed on the outer wall of the front sealing frame (4). The second connecting end (27) is connected to the second inlet (26). An oil seal (28) and a dust ring (29) are installed on the inner wall of the front sealing frame (4). A piston rod (22) is slidably connected to the inner wall of the front sealing frame (4). The oil seal (28) and the dust ring (29) are located on the outer wall of the piston rod (22).

8. The modular quick-assembly and disassembly hydraulic cylinder structure according to claim 7, characterized in that, One end of the piston rod (22) is installed on the inner wall of the piston (17) and the fixed frame (20), and the piston rod (22) is fixedly installed on the inner wall of the fixed frame (20) by bolts. The other end of the inner wall of the fixed frame (20) is fixedly installed with a buffer (21) by bolts.

9. The modular quick-assembly and disassembly hydraulic cylinder structure according to claim 1, characterized in that, Mounting holes are provided at the four corners of one side edge of the first mounting frame (1), the second mounting frame (2), the third mounting frame (3) and the front sealing frame (4). Fixing bolts (23) are installed on the inner wall of the mounting holes. Locking nuts (24) are threadedly connected to the outer wall of the fixing bolts (23). Gaskets (25) are installed between one end of the fixing bolts (23) and the first mounting frame (1), and between the locking nuts (24) and the front sealing frame (4).

10. The modular quick-assembly and disassembly hydraulic cylinder structure according to claim 1, characterized in that, A first sealing ring (5) is fixedly installed at one end of the first mounting frame (1), the second mounting frame (2), and the third mounting frame (3). A first sealing groove (6) is opened at one end of the front sealing frame (4), the third mounting frame (3), and the second mounting frame (2). The first sealing ring (5) engages with the corresponding first sealing groove (6).

Images