Sleeve type hydraulic oil cylinder
By designing a sleeve-type hydraulic cylinder and utilizing a hydraulic telescopic rod and connector, the problem of installing the hydraulic cylinder in narrow environments was solved, achieving an increase in length without increasing the overall size, making it suitable for installation in narrow environments.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-03-27
AI Technical Summary
Increasing the length of existing hydraulic cylinders results in an overall increase in length, making them unsuitable for installation in confined spaces.
A sleeve-type hydraulic cylinder is designed, which increases the length without increasing the overall size by setting a hydraulic telescopic rod and a connector inside the hydraulic sleeve, combined with a fixing hoop and a compression assembly.
While increasing the usable length, the overall length of the device was shortened, enabling it to be installed and operated in confined spaces.
Smart Images

Figure CN224049458U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of hydraulic oil cylinder especially relates to a sleeve type hydraulic oil cylinder. BACKGROUND
[0002] Hydraulic cylinder is the hydraulic energy conversion into mechanical energy, does linear reciprocating motion's hydraulic actuating element, it simple structure, work is reliable, when using it to realize reciprocating motion, can dispense with the speed reducer, and there is no transmission gap, movement is stable, therefore in the hydraulic system of various machines is widely used.
[0003] The current hydraulic oil cylinder is all by a plurality of movable rod splicing uses, however the current hydraulic cylinder in order to be able to improve the length of use will increase the length of entire hydraulic cylinder and increase multiple telescopic rods.
[0004] However, the current hydraulic cylinder increases the overall length of the entire hydraulic cylinder in the length-increasing mode, and when installed in a narrow use environment, the long-size hydraulic cylinder cannot be installed in a narrow position for use.
[0005] Therefore, it is necessary to provide a sleeve type hydraulic oil cylinder to solve the above technical problems. UTILITY MODEL CONTENTS
[0006] The utility model provides a sleeve type hydraulic oil cylinder, solved the current hydraulic cylinder in the length-increasing mode to increase the overall length of the entire hydraulic cylinder telescopic, when installed in a narrow use environment, the long-size hydraulic cylinder cannot be installed in a narrow position for use problem.
[0007] To solve the above technical problems, the utility model provides a sleeve type hydraulic oil cylinder, comprising:
[0008] Hydraulic cover, the inside of hydraulic cover is provided with hydraulic telescopic rod, and the connecting head is arranged between hydraulic telescopic rod and hydraulic cover;
[0009] Mounting head, the mounting head is connected to the top end of the hydraulic telescopic rod.
[0010] Preferably, the hydraulic cover and the hydraulic telescopic rod are used to shorten the overall length.
[0011] Preferably, the surface of the hydraulic cover is provided with a fixing hoop, and the fixing hoop is connected with a box body on one side.
[0012] Preferably, the top of the box body is provided with an extrusion assembly, the extrusion assembly includes a first conveying pipe, one end of the first conveying pipe is connected with an extrusion ball, one end of the extrusion ball is connected with a second conveying pipe, and one end of the first conveying pipe is connected with the box body.
[0013] The second conveying pipe is connected with a spray head at one end, and a connecting frame is connected to the surface of the second conveying pipe, one end of the connecting frame being connected with the hydraulic sleeve.
[0014] Preferably, one side of the top of the box body is connected with a filling head.
[0015] Preferably, one side of the fixing hoop is provided with a fixing member.
[0016] Compared with the related art, the sleeve type hydraulic oil cylinder has the following beneficial effects:
[0017] The sleeve type hydraulic oil cylinder provided by the utility model has the hydraulic telescopic rod arranged in the hydraulic sleeve, which can increase the length of the whole device and shorten the overall length of the device, so that the device can be installed and operated in a narrow use environment. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 The utility model provides a sleeve type hydraulic oil cylinder's first embodiment's structure schematic diagram;
[0019] Figure 2 The utility model discloses a sleeve type hydraulic oil cylinder's second embodiment's structure schematic diagram. Figure 1 The utility model discloses a sleeve type hydraulic oil cylinder's second embodiment's structure schematic diagram.
[0020] Figure 3 The utility model provides a sleeve type hydraulic oil cylinder's second embodiment's structure schematic diagram.
[0021] Marked number in drawing: 1, hydraulic sleeve, 2, hydraulic telescopic rod, 3, mounting head, 4, connecting head,
[0022] 5, fixing hoop, 6, box body,
[0023] 7, extrusion assembly, 71, first conveying pipe, 72, extrusion ball, 73, second conveying pipe, 74, spray head, 75, connecting frame,
[0024] 8, filling head, 9, fixing member. DETAILED DESCRIPTION
[0025] The utility model will be further explained in connection with the drawings and embodiment.
[0026] First embodiment
[0027] Please combine with Figure 1 and Figure 2 Among them, Figure 1 The utility model provides a sleeve type hydraulic oil cylinder's first embodiment's structure schematic diagram; Figure 2 The utility model discloses a sleeve type hydraulic oil cylinder's second embodiment's structure schematic diagram. Figure 1The whole device is shown in the perspective view. A sleeve type hydraulic cylinder comprises:
[0028] A hydraulic sleeve 1, the inside of which is provided with a hydraulic telescopic rod 2, and a connecting head 4 is arranged between the hydraulic sleeve 1 and the hydraulic telescopic rod 2;
[0029] A mounting head 3 is connected to the top end of the hydraulic telescopic rod 2.
[0030] The hydraulic telescopic rod 2 is composed of a plurality of short size movable sleeve rods and a movable rod, which can reduce the volume and also increase the telescopic length of the whole device.
[0031] The hydraulic sleeve 1 and the hydraulic telescopic rod 2 are used to shorten the overall length.
[0032] The working principle of the sleeve type hydraulic cylinder provided by the utility model is as follows:
[0033] In use, the pipeline on the external driving device is connected with the connecting head 4 between the hydraulic sleeve 1 and the hydraulic telescopic rod 2, and then the hydraulic telescopic rod 2 is driven to move upwards in sequence.
[0034] Compared with the related art, the sleeve type hydraulic cylinder provided by the utility model has the following beneficial effects:
[0035] The utility model provides a sleeve type hydraulic cylinder, and the hydraulic telescopic rod 2 arranged in the hydraulic sleeve 1 can increase the length used by the whole device and shorten the overall length of the device, so that the device can be installed and operated in a narrow use environment.
[0036] Second embodiment
[0037] Please refer to Figure 3 Based on the sleeve type hydraulic cylinder provided by the first embodiment of the application, the second embodiment of the application proposes another sleeve type hydraulic cylinder. The second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the separate implementation of the first embodiment.
[0038] Specifically, the difference between the sleeve type hydraulic cylinder provided by the second embodiment of the application is that a sleeve type hydraulic cylinder, the surface of the hydraulic sleeve 1 is provided with a fixed hoop 5, and the fixed hoop 5 is connected with a box body 6 on one side.
[0039] The top of the box body 6 is provided with an extrusion assembly 7, and the extrusion assembly 7 comprises a first conveying pipe 71, one end of the first conveying pipe 71 is connected with an extrusion ball 72, one end of the extrusion ball 72 is connected with a second conveying pipe 73, and one end of the first conveying pipe 71 is connected with the box body 6.
[0040] One end of the second conveying pipe 73 is connected with a spray head 74, and the surface of the second conveying pipe 73 is connected with a connecting frame 75, one end of the connecting frame 75 is connected with the hydraulic sleeve 1.
[0041] The extrusion ball 72 is a rubber soft ball, which facilitates the extrusion of the staff.
[0042] An opening is formed on one side of the fixing hoop 5, the fixing member 9 is composed of two rectangular blocks and bolts, the two rectangular blocks are symmetrically connected on the left and right sides of the opening, the use of the fixing member 9 can fix the fixing hoop 5 on the surface of the hydraulic sleeve 1, the first conveying pipe 71 penetrates through the top of the box body 6 and extends to the bottom of the box body 6, which facilitates the lubricating oil at the bottom of the box body 6, and an opening is also formed on one side of the connecting frame 75, which facilitates the taking and mounting of the second conveying pipe 73 with the spray head 74.
[0043] One side of the top of the box body 6 is connected with a filling head 8.
[0044] One side of the fixing hoop 5 is provided with a fixing member 9.
[0045] The working principle of the sleeve type hydraulic oil cylinder provided by the utility model is as follows:
[0046] When the hydraulic sleeve 1 with the hydraulic telescopic rod 2 is lubricated, the lubricating liquid in the box body 6 is conveyed into the inside of the spray head 74 through the first conveying pipe 71 and the second conveying pipe 73 by extruding the extrusion ball 72, and then the lubricating oil is sprayed into the inside of the hydraulic telescopic rod 2 and the hydraulic sleeve 1 for lubrication.
[0047] Compared with the related art, the sleeve type hydraulic oil cylinder has the following beneficial effects:
[0048] The sleeve type hydraulic oil cylinder is provided with the fixing hoop 5 with the box body 6 on the surface of the hydraulic sleeve 1 with the hydraulic telescopic rod 2, and cooperates with the extrusion assembly 7, so that the inside of the hydraulic sleeve 1 and the hydraulic telescopic rod 2 can be conveniently filled with lubricating oil after long-time use.
[0049] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.
Claims
1. A sleeve-type hydraulic cylinder, characterized in that, include: A hydraulic sleeve, wherein a hydraulic telescopic rod is provided inside the hydraulic sleeve, and a connector is provided between the hydraulic telescopic rod and the hydraulic sleeve; Mounting head, which is connected to the top end of the hydraulic telescopic rod; The surface of the hydraulic sleeve is provided with a fixing hoop, and a box is connected to one side of the fixing hoop; The top of the box is provided with an extrusion assembly, which includes a first conveying pipe, one end of which is connected to an extrusion ball, one end of which is connected to a second conveying pipe, and one end of the first conveying pipe is connected to the box. One end of the second delivery pipe is connected to a nozzle, and a connecting frame is connected to the surface of the second delivery pipe. One end of the connecting frame is connected to the hydraulic sleeve. A filling head is connected to one side of the top of the box.
2. The sleeve-type hydraulic cylinder according to claim 1, characterized in that, The hydraulic sleeve and the hydraulic telescopic rod are used to shorten the overall length.
3. The sleeve-type hydraulic cylinder according to claim 1, characterized in that, A fixing element is provided on one side of the fixing hoop.