Balance oil cylinder sleeve easy to disassemble and maintain

By designing an oil injection and rotation adjustment mechanism in the balance cylinder liner, the problems of wear and seal failure caused by insufficient lubrication are solved, enabling efficient maintenance and extended service life of the equipment.

CN223708139UActive Publication Date: 2025-12-23YUHUAN PACI HYDRAULICS POWER MASCH CO LTD
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Patent Information

Application Number
CN202520201485.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2025-12-23
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

In the absence of lubricating oil, existing balance cylinders experience increased friction and accelerated wear, leading to shortened equipment lifespan, seal failure, and oil leakage, which in turn affects the normal operation and response speed of the equipment.

Method used

A balance cylinder liner that is easy to disassemble and maintain is designed, which includes a telescopic rod, a movable section, an oil injection pipe and a sealing cover. Lubricating oil is supplied periodically through the oil injection pipe, and the rotary adjustment mechanism facilitates maintenance and reduces the amount of disassembly work.

Benefits of technology

Extend equipment lifespan, reduce friction and oil leakage, keep lubricating oil clean, simplify maintenance processes, and save manpower and time costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of balance oil cylinders, and discloses a balance oil cylinder sleeve easy to disassemble and maintain, which comprises a telescopic rod, a movable joint I in threaded connection with the outer wall of the top end of the telescopic rod, a through hole formed in the middle of the right side of the movable joint I, a cavity formed in the middle of the telescopic rod, and an oil filling pipe fixedly connected with the middle of the front side of the telescopic rod, a piston is clamped to the inner wall of the oil injection pipe, an output pipe is fixedly installed below the outer wall of the telescopic rod, a sealing cover is rotationally connected to the outer wall of the output pipe, a second movable joint is in threaded connection with the bottom of the telescopic rod, and rectangular frames are fixedly connected to the two sides of the outer wall of the telescopic rod. The protection mechanism capable of injecting oil and sealing is arranged between the telescopic rod and the oil cylinder sleeve, lubricating oil is regularly provided for the telescopic rod, friction is reduced, abrasion is reduced, and therefore the service life of equipment is prolonged, external dust, dirt and water are effectively prevented from entering the oil cylinder, cleanliness of the lubricating oil is kept, and normal work of the oil cylinder is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to balance oil cylinder technical field, concretely is easy to dismantle overhauling balance oil cylinder sleeve. BACKGROUND

[0002] Hydraulic cylinder is the linear reciprocating motion hydraulic execution element that transforms hydraulic energy into mechanical energy, 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, and the movement is stable, therefore, in the hydraulic system of various machinery, hydraulic cylinder output force and the effective area of piston and the pressure difference of both sides are proportional, therefore, need to use the oil cylinder sleeve of easy to dismantle overhauling balance oil cylinder,

[0003] If there is no lubricating oil to lubricate when using balance oil cylinder, it will have many negative effects on its performance and life, the metal parts inside the oil cylinder will directly contact, leading to increased friction, thus accelerating wear and shortening the service life of the equipment, a large amount of heat will be generated due to friction during the working process, causing temperature rise, which may cause equipment failure or damage, the sealing element may dry, age or deform, leading to sealing failure, and further causing hydraulic oil leakage, making the action of the oil cylinder become not flexible, affecting the normal operation and response speed of the equipment.

[0004] Therefore, an easy-to-dismantle and overhauling balance oil cylinder sleeve is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an easy-to-dismantle and overhauling balance oil cylinder sleeve to solve the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an easy-to-dismantle and overhauling balance oil cylinder sleeve, comprising a telescopic rod, the top outer wall of the telescopic rod is threadedly connected with a movable joint one, a through hole is formed in the right middle part of the movable joint one, a cavity is formed in the middle part of the telescopic rod, an oil injection pipe is fixedly connected to the front middle part of the telescopic rod, a piston is detachably connected to the inner wall of the oil injection pipe, an output pipe is fixedly installed below the outer wall of the telescopic rod, a sealing cover is rotatably connected to the outer wall of the output pipe, a movable joint two is threadedly connected to the bottom of the telescopic rod, and a rectangular frame is fixedly connected to the outer wall of the telescopic rod on both sides.

[0007] Preferably, guide grooves are formed in the inner walls of the rectangular frames on both sides, and connecting springs are fixedly connected to the middle parts of the rectangular frames on both sides.

[0008] Preferably, the distal ends of the connecting springs on both sides are fixedly connected with link plates, and the outer walls of the link plates on both sides are slidably connected to the inner walls of the guide grooves on both sides.

[0009] Preferably, the bottom end of the connecting plate on both sides is rotatably connected with the oil cylinder sleeve body.

[0010] Preferably, the middle part of the outer wall of the oil cylinder sleeve body on one side is rotatably connected with a buckle, and the outer wall of the oil cylinder sleeve body on the other side is fixedly connected with a clamping block, and the buckle and the clamping block are matched in clamping.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. By setting the protection mechanism capable of oil injection and sealing between the telescopic rod and the oil cylinder sleeve, the telescopic rod can be provided with lubricating oil regularly during operation, friction is reduced, wear is reduced, the service life of the equipment is prolonged, external dust, dirt and moisture are effectively prevented from entering the oil cylinder, the cleanliness of the lubricating oil is maintained, normal work of the oil cylinder is ensured, oil leakage and pollutant entry are prevented, the working environment is kept clean, automatic oil injection and sealing protection can reduce the frequency of manual maintenance of the equipment, manpower and time cost are saved;

[0013] 2. By setting the rotation adjusting mechanism on both sides of the oil cylinder sleeve body, the telescopic rod can be conveniently adjusted and opened for maintenance when the telescopic rod fails and needs to be repaired, the telescopic rod inside can be repaired, the oil cylinder sleeve can be adjusted relative to the telescopic rod, so that each part of the telescopic rod is more easily contacted, the maintenance process is simplified, the maintenance efficiency is improved, and by rotating and adjusting, the oil cylinder and other related components can be avoided from being completely disassembled, the work load of disassembly and reassembly is reduced, time and manpower cost are saved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic view of the whole device of the utility model;

[0015] Figure 2 It is a top view schematic view of the whole device of the utility model;

[0016] Figure 3 It is a three-dimensional schematic view of the whole device of the utility model; Figure 2 It is an enlarged schematic view of A in the utility model;

[0017] Figure 4 It is a schematic view of the expanded state of part of the structure of the utility model;

[0018] Figure 5 It is a schematic view of the utility model.

[0019] In the drawing:

[0020] 1 telescopic rod; 2 movable joint one; 3 through hole; 4 cavity; 5 oil injection pipe; 6 piston; 7 output pipe; 8 sealing cover; 9 movable joint two; 10 rectangular frame; 11 guide groove; 12 connecting plate; 13 connecting spring; 14 oil cylinder sleeve body; 15 buckle; 16 clamping block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1 to 5 An embodiment provided by the utility model: an easily disassembled and overhauled balance oil cylinder sleeve, comprising a telescopic rod 1, the top end outer wall of the telescopic rod 1 is threadedly connected with a movable joint one 2, the right middle part of the movable joint one 2 is provided with a through hole 3, the middle part of the telescopic rod 1 is provided with a cavity 4, the front middle part of the telescopic rod 1 is fixedly connected with an oil injection pipe 5, the inner wall of the oil injection pipe 5 is clamped with a piston 6, the outer wall of the bottom of the telescopic rod 1 is fixedly installed with an output pipe 7, the outer wall of the output pipe 7 is rotatably connected with a sealing cover 8, the bottom of the telescopic rod 1 is threadedly connected with a movable joint two 9;

[0023] Among them: the through hole 3 and the cavity 4 can be connected through a pipeline;

[0024] Better: the telescopic rod 1 is installed and connected through the movable joint one 2 and the movable joint two 9, when the inside is filled with lubricating oil, the pipeline can be extended to the inside of the cavity 4 through the through hole 3, the inside of the telescopic rod 1 is filled with lubricating oil, the smoothness during operation is ensured, the inside of the telescopic rod 1 can also be injected with lubricating oil through the oil injection pipe 5, the piston 6 is pushed into the inside of the oil injection pipe 5 for sealing treatment, the output pipe 7 can lift the friend in the cavity 4 of the telescopic rod 1 to be discharged, and after operation, the sealing cover 8 is rotated to close, so that the inside of the telescopic rod 1 maintains airtight environment.

[0025] The outer wall of the telescopic rod 1 is fixedly connected with a rectangular frame 10 on both sides, the inner wall of the two rectangular frames 10 is provided with a guide groove 11 on both sides, the middle part of the two rectangular frames 10 is fixedly connected with a connecting spring 13, the far end of the two connecting springs 13 is fixedly connected with an adapter plate 12, the outer wall of the two adapter plates 12 is respectively slidably connected to the inner wall of the two guide grooves 11, the bottom end of the two adapter plates 12 is rotatably connected with an oil cylinder sleeve body 14, the outer wall of the one side oil cylinder sleeve body 14 is rotatably connected with a buckle 15 in the middle part, the outer wall of the other side oil cylinder sleeve body 14 is fixedly connected with a clamping block 16, and the buckle 15 is matched with the clamping block 16;

[0026] Among them: the inner wall of the two oil cylinder sleeve bodies 14 is attached to the outer wall of the telescopic rod 1;

[0027] Better: move the two adapter plates 12, under the deformation cooperation of the two connecting springs 13, the two adapter plates 12 slide along the two guide grooves 11, so that the inner wall of the oil cylinder sleeve body 14 is tightly attached to the outer wall of the telescopic rod 1, the rectangular frame 10 supports the movement adjustment of the adapter plate 12, after adjusting the position of the two oil cylinder sleeve bodies 14, rotating the buckle 15 to cover it on the outer wall of the clamping block 16, the locking of the two oil cylinder sleeve bodies 14 can be completed, if the telescopic rod 1 needs to be overhauled, only need to rotate the buckle 15 in the opposite direction, separate it from the clamping block 16, and rotate the two oil cylinder sleeve bodies 14 outward by ninety degrees, keep the opening state, which can provide enough operation space for the overhaul of the telescopic rod 1, more convenient and efficient.

[0028] The working principle of the above implementation is as follows:

[0029] The working steps are as follows:

[0030] The telescopic rod 1 is connected and installed through the movable joint one 2 and the movable joint two 9, when adding lubricating oil to the inside of the device, the pipeline can be extended to the inside of the cavity 4 through the through hole 3, the inside of the telescopic rod 1 is filled with lubricating oil to ensure its smooth operation, the output pipe 7 can be lifted to discharge the inside of the cavity 4 of the telescopic rod 1, and after operation, the rotating closed sealing cover 8 makes the inside of the telescopic rod 1 keep airtight environment, regular lubricating oil is provided for the telescopic rod 1 to reduce friction and wear, thereby prolonging the service life of the equipment, effectively preventing external dust, dirt and moisture from entering the inside of the oil cylinder, keeping the lubricating oil clean, ensuring the normal work of the oil cylinder, preventing oil leakage and pollutants from entering, which helps to keep the working environment clean, automatic oil injection and sealing protection, which can reduce the frequency of manual maintenance of the equipment, save manpower and time cost;

[0031] By turning two side connecting plates 12, under the deformation cooperation of two side connecting springs 13, two side connecting plates 12 slide along two side guide grooves 11, so that the inner wall of the oil cylinder sleeve body 14 is tightly attached to the outer wall of the telescopic rod 1, the rectangular frame 10 supports the movement adjustment of the connecting plate 12, after adjusting the position of the two side oil cylinder sleeve bodies 14, rotating the buckle 15 to cover it on the outer wall of the clamping block 16, the locking of the two side oil cylinder sleeve bodies 14 can be completed, if the telescopic rod 1 needs to be overhauled, only need to reverse the buckle 15, separate it from the clamping block 16, and rotate the two side oil cylinder sleeve bodies 14 along the outer side by ninety degrees, keep the open state, which can provide enough operation space for the overhaul of the telescopic rod 1, more convenient and efficient, avoid completely disassembling the oil cylinder and other related components, reduce the workload of disassembly and reassembly, save time and labor cost.

[0032] It should be noted that in this document, the terms "first" and "second" and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements recited, but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, an element defined by the statement "comprising a" does not exclude the existence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0033] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A readily removable serviceable balanced oil cylinder liner characterized by: The utility model relates to a telescopic rod (1), the top end outer wall of telescopic rod (1) is screwed with movable joint no. 1 (2), the right side middle part of movable joint no. 1 (2) is seted up with through hole (3), the middle part of telescopic rod (1) is seted up with cavity (4), the front side middle part of telescopic rod (1) is fixedly connected with oil injection pipe (5), the inner wall of oil injection pipe (5) is connected with piston (6), the outer wall below telescopic rod (1) is fixedly installed with output pipe (7), the outer wall of output pipe (7) is rotatably connected with sealing cover (8), the bottom of telescopic rod (1) is screwed with movable joint no. 2 (9), the both sides of the outer wall of telescopic rod (1) are fixedly connected with rectangular frame (10).

2. A dismountable serviceable balanced oil cylinder liner according to claim 1, characterized in that: The inner wall of both sides rectangular frame (10) is seted up with guide slot (11) on both sides, and the middle part of both sides rectangular frame (10) is fixedly connected with connecting spring (13).

3. A dismountable serviceable balanced oil cylinder liner according to claim 2, characterized in that: The far away end of both sides connecting spring (13) is fixedly connected with link plate (12), and the outer wall of both sides link plate (12) is slidably connected in the inner wall of both sides guide slot (11) respectively.

4. A dismountable serviceable balanced oil cylinder liner according to claim 3, characterized in that: The bottom of both sides link plate (12) is rotatably connected with oil cylinder sleeve body (14).

5. A readily removable serviceable balanced oil cylinder liner as claimed in claim 4 wherein: The middle part of the outer wall of one side oil cylinder sleeve body (14) is rotatably connected with buckle (15), and the outer wall of the other side oil cylinder sleeve body (14) is fixedly connected with clamping block (16), and the buckle (15) and clamping block (16) are matched.