Oil cylinder protection mechanism

By designing a cylinder protection mechanism including a hood combination, a slide rod, a sleeve rod, a fixed tube, an elastic cloth and a brush, the problem that the piston rod is not effectively protected in the prior art is solved, and all-round protection of the cylinder body and the piston rod is achieved, and the protection and cleaning effect are improved.

CN222668543UActive Publication Date: 2025-03-25WUXI INTERPUMP WEIFU HYDRAULICS
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Patent Information

Application Number
CN202421461608.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-24
Publication Date
2025-03-25
Estimated Expiration
2034-06-24

AI Technical Summary

Technical Problem

The existing oil cylinder protection mechanism only protects the cylinder body, but fails to effectively protect the piston rod, resulting in the piston rod being easily scratched by debris during movement, which in turn affects the normal use of the oil cylinder.

Method used

A cylinder protection mechanism is designed, and a complete protective frame is formed by providing a clamp combination, slide rod, sleeve rod, fixed tube, elastic cloth and brush on the cylinder body and piston rod.

Benefits of technology

It effectively protects the cylinder body and piston rod, avoids scratches from debris, improves the protective effect of the device, and keeps the slide rod clean through the setting of the brush, improving the cleaning effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222668543U_ABST
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Abstract

The utility model discloses an oil cylinder protection mechanism which comprises an oil cylinder body, clamping grooves are formed in the two ends of a cylinder barrel of the oil cylinder body respectively, a second clamping sleeve combination and a third clamping sleeve combination are clamped in the clamping grooves respectively, an annular groove is formed in a protruding part at one end of a piston rod of the oil cylinder body, and a first clamping sleeve combination is clamped in the annular groove. The outer side of the first clamping sleeve combination is fixedly connected with a plurality of sliding rods, the outer side of the second clamping sleeve combination is fixedly connected with a plurality of sleeve rods, the sliding rods are slidably connected in the sleeve rods, the outer side of the third clamping sleeve combination is fixedly connected with a plurality of fixing pipes, and the fixing pipes are connected to the connecting positions of the sliding rods and the sleeve rods in a sleeving mode. According to the oil cylinder, the piston rod of the oil cylinder body can be protected, meanwhile, dust attached to the sliding rod can be cleaned through the brush, the sliding rod is kept clean, and a worker can conveniently disassemble a protection part.
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Description

Technical Field

[0001] The utility model relates to the technical field of oil cylinder protection, in particular to an oil cylinder protection mechanism. Background Art

[0002] The hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion. The hydraulic cylinder has a simple structure and reliable operation and has been widely used in the hydraulic system of machine tools.

[0003] After searching, the announcement number CN218717896U discloses a cylinder protection mechanism, which is fixed on the cylinder through a pipe clamp with a baffle to protect the cylinder. The device only protects the cylinder body and does not protect the piston rod. During use, since the cylinder itself is basically exposed to the outside, the piston rod can easily be scratched by gravel and other debris during movement. The scratched piston rod will cause damage to other parts during movement, thereby affecting the normal use of the cylinder. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an oil cylinder protection mechanism.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A cylinder protection mechanism includes a cylinder body, wherein both ends of the cylinder barrel of the cylinder body are respectively provided with slots, and a second sleeve assembly and a third sleeve assembly are respectively clamped in the inside of the slots, a raised portion at one end of the piston rod of the cylinder body is provided with an annular groove, and a first sleeve assembly is clamped in the annular groove, a plurality of sliding rods are fixedly connected to the outside of the first sleeve assembly, a plurality of sleeve rods are fixedly connected to the outside of the second sleeve assembly, and the sliding rods are slidably connected in the inside of the sleeve rods, a plurality of fixed tubes are fixedly connected to the outside of the third sleeve assembly, and the fixed tubes are sleeved at the connection between the sliding rods and the sleeve rods, a first fixed rod is fixedly connected between two adjacent sleeve rods, and an elastic cloth is provided between the first sleeve assembly and the first fixed rod.

[0007] As a further solution of the utility model, a dustproof rubber sleeve is connected to the outer gap of the piston rod of the oil cylinder body, and two ends of the dustproof rubber sleeve are respectively fixed to the cylinder barrel and the piston rod of the oil cylinder body.

[0008] As a further solution of the utility model, a second fixing rod is fixedly connected between two adjacent sliding rods, and the elastic cloth is fixed to the second fixing rod.

[0009] As a further solution of the utility model, two rolling rollers are movably connected between two adjacent fixed tubes, and the two rolling rollers correspond to each other up and down and allow the elastic cloth to pass between the two rolling rollers.

[0010] As a further solution of the utility model, bearings are installed at both ends of the cylinder body.

[0011] As a further solution of the utility model, a brush is bonded to the inside of the fixed tube, and the brush is in contact with the sliding rod.

[0012] As a further solution of the utility model, the first ferrule combination, the third ferrule combination and the second ferrule combination respectively include two ferrules, which are clamped inside the clamping grooves, and the overlapping parts where the two ends of the two ferrules are connected are movably connected with threaded rods.

[0013] The beneficial effects of the utility model are:

[0014] 1. The elastic cloth is used in conjunction with the frame formed by the sliding rod, the sleeve rod, the first fixed rod and the second fixed rod, so that the entire cylinder body is protected to avoid being easily scratched by debris such as gravel when the piston rod moves because the cylinder itself is basically exposed to the outside during use, thereby improving the protection effect of the device.

[0015] 2. Through the setting of the brush, the brush can clean the dust attached to the sliding rod during the movement of the sliding rod, so that the sliding rod remains clean and the cleaning effect of the device is improved.

[0016] 3. Through the coordinated use of the first card sleeve combination, the second card sleeve combination and the third card sleeve combination, it is convenient for workers to disassemble the protective components, thereby improving the convenience of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front three-dimensional structural schematic diagram of an oil cylinder protection mechanism proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of a slide bar of an oil cylinder protection mechanism proposed by the utility model;

[0019] Figure 3 The utility model is a schematic diagram of the second sleeve assembly structure of the oil cylinder protection mechanism.

[0020] In the figure: 1. first ferrule assembly; 2. elastic cloth; 3. rolling roller; 4. oil cylinder body; 5. second ferrule assembly; 6. sleeve rod; 7. first fixed rod; 8. sliding rod; 9. second fixed rod; 10. dustproof rubber sleeve; 11. third ferrule assembly; 12. fixed tube; 13. brush; 14. bearing; 15. slot. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, other embodiments obtained by ordinary technicians in this field without making creative work are all within the scope of protection of the utility model.

[0022] Reference Figure 1-Figure 3 A cylinder protection mechanism includes a cylinder body 4, two ends of the cylinder barrel of the cylinder body 4 are respectively provided with a card slot 15, the inside of the card slot 15 is respectively clamped with a second card sleeve assembly 5 and a third card sleeve assembly 11, a convex part of one end of the piston rod of the cylinder body 4 is provided with a ring groove, the first card sleeve assembly 1 is clamped in the ring groove, a plurality of slide bars 8 are welded on the outside of the first card sleeve assembly 1, a plurality of sleeve rods 6 are welded on the outside of the second card sleeve assembly 5, and the slide bars 8 are slidably connected inside the sleeve rod 6, and the outside of the third card sleeve assembly 11 is welded It is connected with multiple fixing tubes 12, and the fixing tubes 12 are sleeved at the connection between the sliding rod 8 and the sleeve rod 6. A first fixing rod 7 is welded between two adjacent sleeve rods 6. An elastic cloth 2 is provided between the first clamping sleeve assembly 1 and the first fixing rod 7. One end of the piston rod of the cylinder body 4 is telescoped to make the sliding rod 8 on the first clamping sleeve assembly 1 move along the sleeve rod 6, so that the elastic cloth 2 deforms with it, and through the cooperation with the frame formed by the sliding rod 8, the sleeve rod 6 and the first fixing rod 7, the whole of the cylinder body 4 is protected.

[0023] In the present utility model, it should be noted that a dustproof rubber sleeve 10 is connected to the outer gap of the piston rod of the oil cylinder body 4, and the two ends of the dustproof rubber sleeve 10 are respectively fixed to the cylinder barrel and the piston rod of the oil cylinder body 4. The piston rod on the oil cylinder body 4 is extended and retracted so that the dustproof rubber sleeve 10 follows the extension and retraction. A second fixed rod 9 is welded between two adjacent sliding rods 8, and the elastic cloth 2 is fixed to the second fixed rod 9. Two rolling rollers 3 are rotatably connected between two adjacent fixed tubes 12, and the two rolling rollers 3 correspond to each other up and down and allow the elastic cloth 2 to pass through between the two rolling rollers 3. The movable roller 3 can assist in clamping the elastic cloth 2. Bearings 14 are installed at both ends of the cylinder body 4. A brush 13 is bonded to the inside of the fixed tube 12, and the brush 13 is in contact with the slide rod 8. The brush 13 can clean the dust attached to the slide rod 8 during the movement of the slide rod 8. The first ferrule combination 1, the third ferrule combination 11 and the second ferrule combination 5 respectively include two ferrules, which are clamped in the inside of the clamping groove 15. The overlapping parts of the two ends of the two ferrules are threadedly connected with threaded rods, which is convenient for the staff to disassemble the external protective components.

[0024] Working principle: When the cylinder body 4 is started, the piston rod on the cylinder body 4 is extended and retracted, so that the dustproof rubber sleeve 10 is extended and retracted accordingly. At the same time, one end of the piston rod of the cylinder body 4 is extended and retracted, so that the slide rod 8 on the first clamping sleeve assembly 1 moves along the sleeve rod 6, so that the elastic cloth 2 is deformed accordingly, and through the cooperation with the frame formed by the slide rod 8, the sleeve rod 6, the first fixed rod 7 and the second fixed rod 9, the entire cylinder body 4 is protected.

[0025] In addition, the terms "installation", "setting", "connection" and "socketing" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements or components. Those skilled in the art can understand the specific meanings of the above terms in this application according to specific circumstances.

Claims

1. A cylinder protection mechanism, comprising a cylinder body (4), characterized in that: The cylinder body (4) has two ends of a cylinder barrel provided with a clamping groove (15), and the inside of the clamping groove (15) is respectively clamped with a second clamping sleeve assembly (5) and a third clamping sleeve assembly (11). The protruding portion at one end of the piston rod of the cylinder body (4) has an annular groove, and the first clamping sleeve assembly (1) is clamped in the annular groove. The outer side of the first clamping sleeve assembly (1) is fixedly connected with a plurality of sliding rods (8). The outer side of the second clamping sleeve assembly (5) is fixedly connected with a plurality of sleeve rods (6), and the sliding rods (8) are slidably connected inside the sleeve rods (6). The outer side of the third clamping sleeve assembly (11) is fixedly connected with a plurality of fixed tubes (12), and the fixed tubes (12) are sleeved at the connection between the sliding rods (8) and the sleeve rods (6). A first fixed rod (7) is fixedly connected between two adjacent sleeve rods (6), and an elastic cloth (2) is provided between the first clamping sleeve assembly (1) and the first fixed rod (7).

2. The oil cylinder protection mechanism according to claim 1, characterized in that: The outer gap of the piston rod of the oil cylinder body (4) is connected with a dustproof rubber sleeve (10), and the two ends of the dustproof rubber sleeve (10) are respectively fixed to the cylinder barrel and the piston rod of the oil cylinder body (4).

3. The oil cylinder protection mechanism according to claim 1, characterized in that: A second fixing rod (9) is fixedly connected between two adjacent sliding rods (8), and the elastic cloth (2) is fixed to the second fixing rod (9).

4. The oil cylinder protection mechanism according to claim 3, characterized in that: Two rolling rollers (3) are movably connected between two adjacent fixed tubes (12), and the two rolling rollers (3) correspond to each other up and down and allow the elastic cloth (2) to pass between the two rolling rollers (3).

5. The oil cylinder protection mechanism according to claim 1, characterized in that: Bearings (14) are installed at both ends of the oil cylinder body (4).

6. The oil cylinder protection mechanism according to claim 1, characterized in that: A brush (13) is bonded inside the fixed tube (12), and the brush (13) is in contact with the slide rod (8).

7. The oil cylinder protection mechanism according to claim 1, characterized in that: The first clamping sleeve assembly (1), the third clamping sleeve assembly (11) and the second clamping sleeve assembly (5) respectively comprise two clamping rings, which are clamped inside the clamping groove (15), and the overlapping parts where the two ends of the two clamping rings are connected are movably connected with threaded rods.