Guide sleeve of hydraulic oil cylinder
By using a modular guide sleeve structure, the problems of compatibility and waste in replacing hydraulic cylinder guide sleeves are solved, achieving good length adjustment and sealing performance.
Patent Information
- Application Number
- CN202520495435.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-20
AI Technical Summary
The existing hydraulic cylinder guide sleeve has a fixed structure, which requires the manufacture of various specifications to adapt to different strokes, reducing adaptability. Furthermore, when damaged, the entire cylinder needs to be replaced, resulting in waste.
Design a combined structure including a left guide sleeve, a right guide sleeve, an inner connecting sleeve, an inner telescopic ferrule, an outer telescopic ferrule, and a sealing ring. The guide sleeve is adjusted in length and has good sealing performance by bolt connection and sealing ring fixation.
It achieves good length adjustment and sealing of the guide sleeve, improves adaptability, reduces waste due to single-purpose design, and expands the scope of application.
Smart Images

Figure CN223881470U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of guide sleeve, specifically is a guide sleeve of hydraulic oil cylinder. BACKGROUND
[0002] The guide sleeve of the hydraulic cylinder supports and guarantees the coaxial degree of the piston rod and the cylinder barrel, and makes the hydraulic cylinder and the cylinder barrel surface contact during the extension of the hydraulic cylinder rod, and the longer the hydraulic cylinder stroke is, the longer the guide sleeve is.
[0003] The existing hydraulic cylinder guide sleeve structure is fixed, and since the longer the hydraulic cylinder stroke is, the longer the guide sleeve is, a plurality of specifications need to be manufactured to meet different hydraulic cylinders, which reduces the adaptability of the hydraulic cylinder guide sleeve, and some guide sleeves need to be replaced as a whole when only one end is damaged, which is wasteful.
[0004] Therefore, it is particularly important to design a guide sleeve of a hydraulic cylinder to change the above technical defects and improve the overall practicability. INVENTION CONTENTS
[0005] The utility model discloses a guide sleeve of hydraulic oil cylinder to solve the problem in the background art.
[0006] To achieve the above object, the utility model provides the following technical scheme:
[0007] A guide sleeve of a hydraulic cylinder, comprising a left guide sleeve and a right guide sleeve, the outer side of the left guide sleeve and the right guide sleeve is connected with a fixed connection table, the opposite end of the left guide sleeve and the right guide sleeve is connected with an inner link sleeve, two groups of the inner link sleeve is connected with an inner telescopic clamping sleeve, the left and right ends of the inner telescopic clamping sleeve is provided with a positioning clamping ring, the inside of the positioning clamping ring is provided with an inner clamping groove connected with the inner link sleeve, the inside of the inner clamping groove and the outer wall of the inner link sleeve is provided with a sealing ring, the left guide sleeve and the right guide sleeve between and the outer side of the inner telescopic clamping sleeve is provided with an outer telescopic clamping sleeve, the left and right ends of the outer telescopic clamping sleeve is connected with a movable connection table.
[0008] As a preferred scheme of the utility model, the inside of the fixed connection table and the movable connection table is provided with a plurality of groups of internal screw holes with the same interval, and the fixed connection table and the movable connection table are fixedly connected through bolts.
[0009] As a preferred scheme of the utility model, the inner diameter of the left guide sleeve and the right guide sleeve is larger than the outer diameter of the inner link sleeve.
[0010] As a preferred scheme of the utility model, the inner telescopic clamping sleeve and the outer telescopic clamping sleeve are made of sealing thickened rubber material.
[0011] As the preferred scheme of the utility model, the inner connecting sleeve and the inner telescopic clamping sleeve are designed as detachable structure.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] In the utility model, one group of left guiding sleeves and right guiding sleeves are taken out, then the movable connecting table on one side of the outer telescopic clamping sleeve in the contraction state is fixed with the fixed connecting table of the left guiding sleeve through bolts, the inner telescopic clamping sleeve is taken out and the telescopic part is extended according to the length requirement, then the two groups of inner connecting sleeves are inserted into the inner clamping grooves in the two positioning clamping rings respectively and are tightly fixed through sealing rings, after the fixing is completed, the outer telescopic clamping sleeve is extended and the movable connecting table at the other end is fixed with the fixed connecting table of the right guiding sleeve through bolts, the assembly of the whole guiding sleeve is completed, the guiding sleeve can adjust the length within the range, has good sealing property, increases the adaptability of the guiding sleeve and reduces the singleness. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 It is the overall structure front view of the utility model;
[0015] Fig. 2 It is the local split structure schematic view of the utility model;
[0016] Fig. 3 It is the partial structure schematic view of the utility model.
[0017] In the drawing: 1, left guiding sleeve; 2, right guiding sleeve; 3, fixed connecting table; 4, inner connecting sleeve; 5, inner telescopic clamping sleeve; 501, positioning clamping ring; 502, inner clamping groove; 503, sealing ring; 6, outer telescopic clamping sleeve; 601, movable connecting table. DETAILED DESCRIPTION
[0018] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.
[0019] In order to facilitate the understanding of the utility model, the utility model will be more fully described below with reference to the related drawings, several embodiments of the utility model are given, however, the utility model can be realized in many different forms, and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0020] It is to be understood that where an element such as a layer, region or substrate is described as being "on" another element, it can be directly on the other element or intervening elements can also be present. Where an element is described as being "connected" or "coupled" to another element, it can be directly connected or coupled or intervening elements can be present. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.
[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.
[0022] Embodiments, please refer to Figs. 1-3 The utility model provides a technical scheme:
[0023] A hydraulic cylinder guide sleeve, including left guide sleeve 1 and right guide sleeve 2, the outside of left guide sleeve 1 and right guide sleeve 2 and be connected with fixed connection table 3, the opposite end of left guide sleeve 1 and right guide sleeve 2 are connected with inner link sleeve 4, and two groups of inner link sleeve 4 are connected with inner telescopic clamping sleeve 5, and the left and right two ends of inner telescopic clamping sleeve 5 are provided with positioning clamping ring 501, the inside of positioning clamping ring 501 is provided with inner clamping groove 502 with the plug -in connection of inner link sleeve 4, and the inside of inner clamping groove 502 and the outer wall of inner link sleeve 4 are provided with sealing ring 503, and the outside of inner telescopic clamping sleeve 5 between left guide sleeve 1 and right guide sleeve 2 is provided with outer telescopic clamping sleeve 6, and the left and right two ends of outer telescopic clamping sleeve 6 are connected with movable connection table 601;
[0024] Wherein the inside of fixed connection table 3 and movable connection table 601 is provided with multiple groups of same interval inner screw holes, and fixed connection table 3 and movable connection table 601 are fixedly connected by bolt, and the inner diameter of left guide sleeve 1 and right guide sleeve 2 is greater than the outer diameter of inner link sleeve 4, and inner telescopic clamping sleeve 5 and outer telescopic clamping sleeve 6 are made of sealed thickening rubber material, and inner link sleeve 4 and inner telescopic clamping sleeve 5 are detachable structure design.
[0025] The utility model discloses a work flow: take out left guide sleeve 1 and right guide sleeve 2 each group, then the movable connecting platform 601 of one side of the outer telescopic clamping sleeve 6 in the contraction state is fixed through bolt with the fixed connecting platform 3 of left guide sleeve 1 first, then take out inner telescopic clamping sleeve 5 and according to length requirement carry out the extension of telescopic part, then two groups of inner link sleeve 4 are inserted into the inner clamping groove 502 in two side positioning clamping ring 501 respectively, and are fixed tightly through sealing ring 503, after fixing, the outer telescopic clamping sleeve 6 is extended, and the movable connecting platform 601 of the other end is fixed through bolt with the fixed connecting platform 3 of right guide sleeve 2, and the assembly of the whole guide sleeve is completed, the guide sleeve can adjust the length in the scope, and the sealing property is good, the adaptability of guide sleeve is increased, and the singleness is reduced.
[0026] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A guide sleeve of a hydraulic cylinder, comprising a left guide sleeve (1) and a right guide sleeve (2), characterized in that: The left guide sleeve (1) and the right guide sleeve (2) are connected with the fixed connecting table (3) on the outside, the opposite ends of the left guide sleeve (1) and the right guide sleeve (2) are connected with the inner connecting sleeve (4), two groups of the inner connecting sleeve (4) are connected with the inner telescopic clamping sleeve (5), the left and right ends of the inner telescopic clamping sleeve (5) are provided with the positioning clamping ring (501), the inside of the positioning clamping ring (501) is provided with the inner clamping groove (502) which is plug-connected with the inner connecting sleeve (4), the inside of the inner clamping groove (502) and the outer wall of the inner connecting sleeve (4) are provided with the sealing ring (503), the left guide sleeve (1) and the right guide sleeve (2) are provided with the outer telescopic clamping sleeve (6) between them and on the outside of the inner telescopic clamping sleeve (5), the left and right ends of the outer telescopic clamping sleeve (6) are connected with the movable connecting table (601).
2. The guide bushing for a hydraulic cylinder of claim 1, wherein: The inside of the fixed connecting table (3) and the movable connecting table (601) is provided with a plurality of groups of inner screw holes which are spaced equally, the fixed connecting table (3) and the movable connecting table (601) are fixedly connected through bolts.
3. The guide bushing for a hydraulic cylinder of claim 1, wherein: The inner diameter of the left guide sleeve (1) and the right guide sleeve (2) is larger than the outer diameter of the inner connecting sleeve (4).
4. The guide bushing for a hydraulic cylinder of claim 1, wherein: The inner telescopic clamping sleeve (5) and the outer telescopic clamping sleeve (6) are made of sealing thickened rubber material.
5. The guide bushing for a hydraulic cylinder of claim 1, wherein: The inner connecting sleeve (4) and the inner telescopic clamping sleeve (5) are designed as a detachable structure.