CN223739764U - Hydraulic cylinder - Google Patents
Hydraulic cylinderInfo
- Publication number
- CN223739764U CN223739764U CN202423254181.9U CN202423254181U CN223739764U CN 223739764 U CN223739764 U CN 223739764U CN 202423254181 U CN202423254181 U CN 202423254181U CN 223739764 U CN223739764 U CN 223739764U
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- CN
- China
- Prior art keywords
- guide sleeve
- sleeve
- groove
- sealing
- sealing gasket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
本实用新型公开了一种液压油缸，涉及液压油缸配件技术领域，包括缸体、设于所述缸体的内部上方的导向套本体、穿插于所述导向套本体内的活塞杆、设置于所述缸体顶端的缸盖；所述导向套本体包括上导向套、连接导向套、下导向套；所述连接导向套的外径小于上导向套的外径，所述导向套设置于上导向套的底部，所述下导向套顶部开设有与连接导向套相适配的导向槽，所述连接导向套插设于导向槽内；所述上导向套和下导向套交接处的外壁上分别设有上定位套和下定位套，所述上导向套和下导向套交接处、上定位套和下定位套交接处开设有封垫圈槽，所述封垫圈槽内设置有密封套；使导向套本体拆装方便，防护性能好，实用性更高。
This utility model discloses a hydraulic cylinder, relating to the technical field of hydraulic cylinder accessories. It includes a cylinder body, a guide sleeve body disposed inside the upper part of the cylinder body, a piston rod inserted into the guide sleeve body, and a cylinder cover disposed at the top of the cylinder body. The guide sleeve body includes an upper guide sleeve, a connecting guide sleeve, and a lower guide sleeve. The outer diameter of the connecting guide sleeve is smaller than the outer diameter of the upper guide sleeve. The connecting guide sleeve is disposed at the bottom of the upper guide sleeve. The top of the lower guide sleeve has a guide groove adapted to the connecting guide sleeve, and the connecting guide sleeve is inserted into the guide groove. An upper positioning sleeve and a lower positioning sleeve are respectively provided on the outer wall at the junction of the upper and lower guide sleeves. A sealing gasket groove is provided at the junction of the upper and lower guide sleeves and at the junction of the upper and lower positioning sleeves, and a sealing sleeve is disposed in the sealing gasket groove. This design makes the guide sleeve body easy to assemble and disassemble, provides good protection, and enhances practicality.
Description
Technical Field
The utility model relates to the technical field of hydraulic cylinder accessories, in particular to a hydraulic cylinder.
Background
The hydraulic cylinder is an actuating mechanism in a hydraulic system of the hydraulic cylinder and generally comprises a cylinder body, a cylinder rod (piston rod) and a sealing element, wherein the cylinder body is internally divided into two parts by a piston, and the two parts are respectively communicated with an oil hole;
However, the guide sleeve in the prior art still has the problems of inconvenient disassembly and assembly in the actual use process, and generates larger abrasion in the long-time use process, so that the connection between the guide sleeve and the piston rod is loose, more time is consumed for disassembly, assembly and replacement, and the working efficiency is lower.
Disclosure of utility model
The utility model aims to provide the hydraulic oil cylinder, so that the guide sleeve body is convenient to assemble and disassemble, good in protective performance and higher in practicability.
The hydraulic cylinder comprises a cylinder body, a guide sleeve body, a piston rod, a cylinder cover, a sealing gasket groove, a sealing gasket seat, a limit groove, a sealing gasket seat, an annular locating sleeve and a sealing gasket seat, wherein the guide sleeve body is arranged above the inside of the cylinder body, the piston rod is inserted into the guide sleeve body, the cylinder cover is arranged at the top end of the cylinder body, the guide sleeve body comprises an upper guide sleeve, a connecting guide sleeve and a lower guide sleeve, the outer diameter of the connecting guide sleeve is smaller than that of the upper guide sleeve, the guide sleeve is arranged at the bottom of the upper guide sleeve, the guide groove is formed in the top of the lower guide sleeve and is matched with the connecting guide sleeve, the connecting guide sleeve is inserted into the guide groove, the upper locating sleeve and the lower locating sleeve are respectively arranged on the outer wall of the joint of the upper guide sleeve and the lower guide sleeve, the joint of the upper locating sleeve and the lower locating sleeve are respectively provided with the sealing gasket groove, the sealing gasket seat is arranged in the sealing gasket groove, the sealing gasket seat is arranged at the top of the upper guide sleeve, the limit groove is matched with the lower locating sleeve, and the sealing gasket seat is arranged at the bottom of the cylinder body, and the sealing gasket seat is fixedly arranged at the bottom of the first groove.
In order to improve the sealing effect of the sealing sleeve, the hydraulic oil cylinder is preferable in the utility model, the upper side and the lower side of the sealing gasket groove are symmetrically provided with second grooves in a ring shape, the second grooves are internally provided with second gaskets, and two opposite sides of the two second gaskets are fixedly connected with the sealing sleeve.
In order to avoid the rotation of the upper guide sleeve and the abrasion of the lower guide sleeve, the hydraulic oil cylinder is preferable in the utility model, a clamping block is arranged at the bottom of the inside of the guide groove, a clamping groove matched with the clamping block is formed at the bottom of the connecting guide sleeve, and the clamping block is inserted into the clamping groove.
In order to improve the wear resistance of the guide sleeve, the inner walls of the upper guide sleeve, the connecting guide sleeve and the lower guide sleeve are all preferably provided with wear-resistant layers as one hydraulic cylinder of the utility model.
In order to improve the tightness of the cylinder cover, the hydraulic cylinder is preferable in the utility model, wherein a reinforcing sealing ring is arranged in the inner side of the cylinder cover, and the bottom of the reinforcing sealing ring is attached to the top of the sealing gasket seat.
Compared with the prior art, the utility model has the following beneficial effects:
The guide sleeve body is easy to install in the cylinder body, the guide sleeve body is convenient to assemble and disassemble, good in protective performance and higher in practicability, and the sealing effect of the guide sleeve body is improved through the sealing sleeve and the sealing pad seat, a certain leakage-proof effect is achieved, and external dust is prevented from falling into the guide sleeve body.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the body of the guide sleeve of the present utility model;
Figure 3 is a schematic cross-sectional view of the sealing sleeve according to the utility model.
In the figure, 1, a cylinder body, 2, a piston rod, 3, a cylinder cover, 4, an upper guide sleeve, 5, a connecting guide sleeve, 6, a lower guide sleeve, 7, a guide groove, 8, an upper positioning sleeve, 9, a lower positioning sleeve, 10, a sealing gasket groove, 11, a sealing sleeve, 12, a sealing gasket seat, 13, a limiting groove, 14, a first groove, 15, a first gasket, 16, a second groove, 17, a second gasket, 18, a clamping block, 19, a clamping groove, 20, a wear-resisting layer, 21 and a reinforcing sealing ring.
Detailed Description
Referring to fig. 1 to 3, a hydraulic cylinder comprises a cylinder body 1, a guide sleeve body, a piston rod 2 and a cylinder cover 3, wherein the guide sleeve body is arranged above the inside of the cylinder body 1, the piston rod 2 is inserted into the guide sleeve body, the cylinder cover 3 is arranged at the top end of the cylinder body 1, the guide sleeve body comprises an upper guide sleeve 4, a connecting guide sleeve 5 and a lower guide sleeve 6, the outer diameter of the connecting guide sleeve 5 is smaller than that of the upper guide sleeve 4, the guide sleeve is arranged at the bottom of the upper guide sleeve 4, a guide groove 7 matched with the connecting guide sleeve 5 is formed in the top of the lower guide sleeve 6, the connecting guide sleeve 5 is inserted into the guide groove 7, an upper positioning sleeve 8 and a lower positioning sleeve 9 are respectively arranged on the outer wall of the joint of the upper guide sleeve 4 and the lower guide sleeve 6, a sealing gasket groove 10 is formed in the joint of the upper positioning sleeve 8 and the lower positioning sleeve 9, a sealing gasket seat 12 is arranged at the top of the upper guide sleeve 4, a sealing gasket seat 8 and a sealing gasket seat 12 is formed in the inner wall of the cylinder body 1, a limit groove 13 matched with the upper positioning sleeve 9 and the sealing gasket seat 12 is formed in the inner wall of the cylinder body 1, a first groove 14 is formed in the joint of the annular groove 14 and a sealing gasket seat 12 is formed in the joint of the first groove 14 and the first groove 14 is formed in the bottom of the cylinder seat 12.
In the embodiment, a connecting guide sleeve 5 at the bottom of an upper guide sleeve 4 is arranged in a guide groove 7 of a lower guide sleeve 6, a sealing sleeve 11 is arranged in a sealing ring groove 10 between the upper guide sleeve 4 and the lower guide sleeve 6, an upper positioning sleeve 8 and a lower positioning sleeve 9 are arranged in the limiting groove 13 through a limiting groove 13, a guide sleeve body is easily and quickly installed in a cylinder body 1, a sealing gasket seat 12 is arranged at the top of the upper guide sleeve 4, a cylinder cover 3 is installed on the cylinder body 1 and the sealing gasket seat 12, the cylinder body 1 limits the sealing gasket seat 12, the upper guide sleeve 4 and the lower guide sleeve 6, the sealing gasket seat 12 is easily used for protecting the upper guide sleeve 4 and the cylinder cover 3, so that unilateral abrasion is prevented in the use process, the abrasion resistance of the guide sleeve body is improved, the oil leakage is avoided, and the sealing effect at the joint of the upper guide sleeve 4 and the lower guide sleeve 6 is improved through the sealing sleeve 11, so that the sealing effect between the sealing gasket seat 3 and the sealing gasket seat 12 is improved through a first gasket 15, the sealing effect of the guide sleeve body is enhanced, the sealing gasket body is easily and quickly assembled and disassembled, and quickly replaced, and quickly and disassembled, and opened 3 is easy.
As a technical optimization scheme of the utility model, annular second grooves 16 are symmetrically formed on the upper side and the lower side of the sealing gasket groove 10, second gaskets 17 are arranged in the second grooves 16, and two opposite sides of the two second gaskets 17 are fixedly connected with the sealing sleeve 11.
In this embodiment, the sealing effect between the upper guide sleeve 4 and the lower guide sleeve 6 is further improved by the second gasket 17.
As a technical optimization scheme of the utility model, a clamping block 18 is arranged at the bottom of the inside of the guide groove 7, a clamping groove 19 matched with the clamping block 18 is arranged at the bottom of the connecting guide sleeve 5, and the clamping block 18 is inserted into the guide groove 7 in the clamping groove 19.
In the embodiment, the clamping blocks 18 are clamped in the clamping grooves 19, so that the connecting guide sleeve 5 is further limited, the upper guide sleeve 4 and the connecting guide sleeve 5 are prevented from rotating, and the connection positions of the upper guide sleeve 4, the connecting guide sleeve 5 and the lower guide sleeve 6 are prevented from being worn.
As a technical optimization scheme of the utility model, the inner walls of the upper guide sleeve 4, the connecting guide sleeve 5 and the lower guide sleeve 6 are provided with wear-resistant layers 20.
In this embodiment the wear between the piston rod 2 and the body of the guide sleeve is further reduced by the wear layer 20.
As a technical optimization scheme of the utility model, a reinforcing sealing ring 21 is arranged in the inner side of the cylinder cover 3, and the bottom of the reinforcing sealing ring 21 is attached to the top of the gasket seat 12.
In the embodiment, the sealing effect of the inner side of the cylinder cover 3 is further enhanced through the reinforcing sealing ring 21, so that dust is prevented from entering the cylinder body 1 from the inner ring of the cylinder cover 3.
The working principle and the using flow of the utility model are as follows:
The connecting guide sleeve 5 at the bottom of the upper guide sleeve 4 is arranged in the guide groove 7 of the lower guide sleeve 6, the sealing sleeve 11 is arranged in the sealing ring groove 10 between the upper guide sleeve 4 and the lower guide sleeve 6, the upper positioning sleeve 8 and the lower positioning sleeve 9 are both arranged in the limiting groove 13 through the limiting groove 13, the guide sleeve body is easily and quickly installed in the cylinder body 1, the sealing gasket seat 12 is arranged at the top of the upper guide sleeve 4, the cylinder cover 3 is installed on the cylinder body 1 and the sealing gasket seat 12, the cylinder body 1 limits the sealing gasket seat 12, the upper guide sleeve 4 and the lower guide sleeve 6, the sealing gasket seat 12 is easily used for protecting the upper guide sleeve 4 and the cylinder cover 3, single-side abrasion is prevented in the use process, the abrasion resistance of the guide sleeve body is improved, oil leakage is avoided, the sealing effect at the joint of the upper guide sleeve 4 and the lower guide sleeve 6 is improved through the sealing sleeve 11, the sealing effect between the cylinder cover 3 and the sealing gasket seat 12 is improved through the first gasket 15, so that the sealing effect of the guide sleeve body is enhanced, and the guide sleeve body is easily and quickly disassembled.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423254181.9U CN223739764U (en) | 2024-12-28 | 2024-12-28 | Hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423254181.9U CN223739764U (en) | 2024-12-28 | 2024-12-28 | Hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223739764U true CN223739764U (en) | 2025-12-30 |
Family
ID=98172022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423254181.9U Active CN223739764U (en) | 2024-12-28 | 2024-12-28 | Hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223739764U (en) |
-
2024
- 2024-12-28 CN CN202423254181.9U patent/CN223739764U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |