Environment-friendly hydraulic oil cylinder with sealing structure

Abstract

The utility model relates to the technical field of hydraulic oil cylinders, and discloses an environment-friendly hydraulic oil cylinder with a sealing structure, which comprises a cylinder barrel, oil holes are arranged on two sides of the cylinder barrel, a protective sleeve is sleeved on the surface of the cylinder barrel, and an oil pipe mounting component connected with an oil pipe is arranged on the surface of the protective sleeve. A supporting ring is fixedly arranged at one end of the protective sleeve and fixedly connected with one end of a cylinder barrel through a screw, the cylinder barrel is slidably connected with a piston rod, and the surface of the piston rod is sleeved with a corrugated hose. The protection sleeve can be fixed through the supporting ring, the protection sleeve can protect the surface of the cylinder barrel, the cylinder barrel can be prevented from being exposed outside, the anti-corrosion capacity of the cylinder barrel is improved, the two ends of the corrugated hose can be supported through the supporting assembly and the supporting ring, the stability of the corrugated hose can be kept, and the corrugated hose can protect the surface of the piston rod. When there is much dust, the piston rod can be prevented from contacting the dust.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic cylinder technical field, concretely is an environmental protection type hydraulic cylinder with sealing structure. BACKGROUND

[0002] Hydraulic cylinder is a kind of hydraulic execution element that converts hydraulic energy into mechanical energy, mainly used to realize linear reciprocating motion, it is mainly composed of cylinder and cylinder cover, piston and piston rod, sealing device etc., environmental protection hydraulic cylinder refers to the hydraulic cylinder using environmental protection hydraulic oil as medium, compared with traditional hydraulic cylinder, environmental protection hydraulic cylinder does not contain phenol, heavy metal and other harmful substances, reduces the harm to environment and user, is the "environmental protection cylinder" in true sense.

[0003] The application number "202022139265.3" disclosed "a kind of aluminum ash protection ring hydraulic cylinder with dust resistance function", "including cylinder, first cylinder seat, second cylinder seat, connecting bolt, piston block and piston rod, the one end of the cylinder is sleeved with first cylinder seat, and the other end of the cylinder is sleeved with second cylinder seat, the connecting bolt is in turn penetrated the outer surface of first cylinder seat and second cylinder seat and is connected and fixed by bolt and second cylinder seat, the second cylinder seat is fixed with dustproof assembly on the end away from the cylinder, the dustproof assembly includes sealing cylinder, the sealing cylinder is connected and fixed by screw thread and second cylinder seat, the piston rod is penetrated in the inside of the sealing cylinder, the outer surface of the piston rod is sleeved with sealing ring, and the sealing ring is embedded on the inner wall of sealing cylinder. The utility model improves the dust resistance effect, is favorable for improving the service life of hydraulic cylinder, and the oil leakage effect is good".

[0004] But the above-mentioned mode still has the following defects: the sealing ring can improve the sealing between piston rod and sealing cylinder, dust adhered on the surface of piston rod can be scraped off by sealing cylinder, but needs to make piston rod completely shrink, can clean dust, dust effect is poor, when dust is more, it is easy to cause the abrasion and jam of piston rod, simultaneously, it is easy to cause the damage of sealing element. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of prior art, the utility model provides an environmental protection type hydraulic cylinder with sealing structure, has the advantages of good dustproof effect, not easy to cause the abrasion and jam of piston rod, solves the problems proposed in the above background art.

[0006] The utility model provides following technical scheme: An environmental protection type hydraulic oil cylinder with sealing structure, including cylinder barrel, both sides of cylinder barrel all are equipped with oil hole, the surface of protective sleeve is equipped with oil pipe installation subassembly, one end of protective sleeve is equipped with support ring fixedly, support ring is fixedly connected with one end of cylinder barrel, cylinder barrel is connected with piston rod of sliding, the surface of piston rod is equipped with bellows hose, one end of bellows hose is equipped with support subassembly, the other end of bellows hose is fixedly connected with support ring.

[0007] As a preferred technical scheme of the utility model, the oil pipe installation subassembly includes a protective plate, both sides of the protective plate are provided with pipe grooves for installing oil pipes, and sealing rings are clamped and connected in the pipe grooves.

[0008] As a preferred technical scheme of the utility model, the surface of the protective sleeve is provided with an oil pipe installation opening, support strips are fixedly arranged at the top and bottom of the oil pipe installation opening, and the protective plate is fixedly connected with the support strips.

[0009] As a preferred technical scheme of the utility model, one end of the cylinder barrel is fixedly provided with a cylinder cover, a rod sleeve is fixedly arranged at the middle of the cylinder cover, the piston rod is slidably connected with the inside of the rod sleeve, and an oil seal and a dustproof ring are clamped and connected to the inner wall of the rod sleeve.

[0010] As a preferred technical scheme of the utility model, the other end of the cylinder barrel is fixedly provided with a mounting rod, a mounting hole is arranged on the surface of the mounting rod, a rod groove is arranged at the middle of the other end of the protective sleeve and is connected with the mounting rod, and a rubber ring one is clamped and connected in the rod groove.

[0011] As a preferred technical scheme of the utility model, the other end of the bellows hose is fixedly provided with a mounting ring, a rubber ring two is clamped and connected to one side of the mounting ring, and one side of the mounting ring is fixedly connected with one side of the support ring.

[0012] As a preferred technical scheme of the utility model, the support assembly includes a support ring, two air permeation grooves are arranged on the surface of the support ring, a dustproof net is fixedly arranged on one side of the air permeation groove, a groove is arranged on one side of the support ring, and a sealing gasket is clamped and connected in the groove.

[0013] As a preferred technical scheme of the utility model, one end of the piston rod is fixedly provided with an end plate, one side of the support ring is fixedly connected with one side of the end plate, the inner diameter of the support ring is greater than the diameter of the end plate, a connecting rod is fixedly arranged at the middle of one side of the end plate and is connected with the support ring, and an earring is fixedly arranged at one end of the connecting rod.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1、The protective sleeve can be fixed by the supporting ring, the protective sleeve can provide protection for the surface of the cylinder barrel, can prevent the cylinder barrel from being exposed to the outside, improves the corrosion resistance of the cylinder barrel, the two ends of the corrugated hose can be supported by the supporting assembly and the supporting ring, the stability of the corrugated hose can be maintained, the corrugated hose can provide protection for the surface of the piston rod, when there is more dust, the piston rod can be prevented from contacting the dust, the dustproof ability of the piston rod is improved, the piston rod can be prevented from being stuck when there is more dust, and the wear of the piston rod is reduced, and damage of the sealing element caused by dust can be avoided.

[0016] 2、By disassembling the protective assembly, the operation space can be increased, the oil pipe can be connected with the oil hole through the oil pipe mounting port, after the oil pipe is connected, the cylinder barrel can be prevented from contacting dust by fixing the protective assembly, the sealing ring can seal between the oil pipe and the pipe groove, and the cylinder barrel can improve the anti-collision ability in cooperation with the protective sleeve of the oil pipe mounting assembly. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a structure schematic view of the utility model;

[0018] Fig. 2 It is an explosion structure schematic view of the utility model;

[0019] Fig. 3 It is a structure schematic view of the cylinder barrel of the utility model;

[0020] Fig. 4 It is a structure schematic view of the protective sleeve of the utility model;

[0021] Fig. 5 It is a structure schematic view of the corrugated hose of the utility model;

[0022] Fig. 6 It is a structure schematic view of the supporting assembly of the utility model.

[0023] In the drawing: 1, cylinder barrel; 2, protective sleeve; 3, supporting ring; 4, cylinder cover; 5, rod groove; 6, rubber ring I; 7, oil pipe mounting assembly; 701, protective plate; 702, pipe groove; 703, sealing ring; 8, oil pipe mounting port; 9, supporting strip; 10, oil hole; 11, mounting rod; 12, mounting hole; 13, piston rod; 14, corrugated hose; 15, supporting assembly; 1501, supporting ring; 1502, dustproof net; 1503, groove; 1504, sealing gasket; 16, mounting ring; 17, rubber ring II; 18, end plate; 19, connecting rod; 20, earring; 21, rod sleeve; 22, dustproof ring. DETAILED DESCRIPTION

[0024] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] Please refer to Figs. 1-6 , the environment-friendly hydraulic oil cylinder with sealing structure, including cylinder 1, the both sides of cylinder 1 are provided with oil hole 10, the surface of cylinder 1 is provided with protective sleeve 2, the surface of protective sleeve 2 is provided with oil pipe installation assembly 7 for connecting oil pipe, one end of protective sleeve 2 is fixedly provided with support ring 3, support ring 3 is fixedly connected with one end of cylinder 1 through screw, protective sleeve 2 can be fixed by support ring 3, protective sleeve 2 can provide protection for the surface of cylinder 1, which can prevent cylinder 1 from being exposed to the outside, improve the corrosion resistance of cylinder 1, cylinder 1 is slidably connected with piston rod 13, the surface of piston rod 13 is provided with corrugated hose 14, one end of corrugated hose 14 is provided with support assembly 15 for supporting, the other end of corrugated hose 14 is fixedly connected with support ring 3, the both ends of corrugated hose 14 can be supported by support assembly 15 and support ring 3, which can maintain the stability of corrugated hose 14, corrugated hose 14 can provide protection for the surface of piston rod 13, when there is more dust, it can prevent piston rod 13 from contacting dust;

[0026] In the embodiment, preferably, the oil pipe installation assembly 7 comprises a protective plate 701, the both sides of the protective plate 701 are provided with pipe grooves 702 for installing the oil pipe, the pipe grooves 702 are internally clampedly connected with sealing rings 703, the surface of the protective sleeve 2 is provided with an oil pipe mounting opening 8, the top and bottom of the oil pipe mounting opening 8 are fixedly provided with support strips 9, the protective plate 701 is fixedly connected with the support strips 9 through screws, the protective plate 701 can be fixed by the support strips 9, the operation space can be increased by opening the protective plate 701, the oil pipe can pass through the pipe grooves 702, the oil pipe can be connected with the oil hole 10 through the oil pipe mounting opening 8, after the oil pipe is connected, the cylinder 1 can be prevented from contacting dust by fixing the protective plate 701, the sealing rings 703 can seal between the oil pipe and the pipe grooves 702, and the protective plate 701 can improve the anti-collision ability of the cylinder 1 in cooperation with the protective sleeve 2;

[0027] In the embodiment, preferably, the support assembly 15 comprises a support ring 1501, the surface of the support ring 1501 is provided with two air-permeable grooves, one side of the air-permeable grooves is fixedly provided with a dust screen 1502, one side of the support ring 1501 is provided with a groove 1503, the inside of the groove 1503 is clampedly connected with a sealing gasket 1504, one end of the piston rod 13 is fixedly provided with an end plate 18, one side of the support ring 1501 is fixedly connected with one side of the end plate 18 through screws, the inner diameter of the support ring 1501 is larger than the diameter of the end plate 18, the support ring 1501 and one side of the end plate 18 are fixedly connected through the screws, the end plate 18 can be supported by the support ring 1501, the sealing gasket 1504 can seal between the end plate 18 and the support ring 1501, the piston rod 13 can stretch and compress the corrugated hose 14 in the process of stretching and contracting, the corrugated hose 14 will not hinder the stretching and contracting of the piston rod 13, the air-permeable grooves can ensure the circulation of air inside and outside the corrugated hose 14, avoiding the phenomenon that the air pressure inside and outside the corrugated hose 14 is inconsistent, the dust screen 1502 can prevent dust from entering the inside of the corrugated hose 14, the middle of one side of the end plate 18 is fixedly provided with a connecting rod 19 which is penetratingly connected with the support ring 1501, one end of the connecting rod 19 is fixedly provided with an earring 20, the piston rod 13 can be fixed through the earring 20;

[0028] In the embodiment, preferably, one end of the cylinder barrel 1 is fixedly provided with a cylinder cover 4, the middle of the cylinder cover 4 is fixedly provided with a rod sleeve 21, the piston rod 13 is slidingly connected with the inside of the rod sleeve 21, the inner wall of the rod sleeve 21 is clampedly connected with an oil seal and a dustproof ring 22, the other end of the cylinder barrel 1 is fixedly provided with a mounting rod 11, the surface of the mounting rod 11 is provided with a mounting hole 12, the cylinder barrel 1 can be fixedly mounted through the mounting hole 12 of the mounting rod 11, the other end of the protective sleeve 2 is provided with a rod groove 5 which is penetratingly connected with the mounting rod 11 in the middle, the inside of the rod groove 5 is clampedly connected with a rubber ring I 6, the cylinder barrel 1 can pass through the mounting rod 11 through the rod groove 5, the rubber ring I 6 can fill the gap between the mounting rod 11 and the rod groove 5;

[0029] In the embodiment, preferably, the other end of the corrugated hose 14 is fixedly provided with a mounting ring 16, one side of the mounting ring 16 is clampedly connected with a rubber ring II 17, one side of the mounting ring 16 is fixedly connected with one side of the support ring 3 through screws, the other end of the corrugated hose 14 can be shaped through the mounting ring 16, and the other end of the corrugated hose 14 and the support ring 3 can be connected through the mounting ring 16, the rubber ring II 17 can ensure the sealing performance of the connection between the mounting ring 16 and the support ring 3.

[0030] In use, first, the protective sleeve 2 is sleeved on the cylinder barrel 1, the mounting rod 11 is located in the rod groove 5, then the support ring 3 is fixed on one end of the cylinder barrel 1 through screws, then the corrugated hose 14 is sleeved on the piston rod 13, the mounting ring 16 is fixed with the support ring 3 through screws, then the support ring 1501 of the support assembly 15 is fixed on the end plate 18 through screws, finally, the protective plate 701 of the oil pipe mounting assembly 7 is opened, the oil pipe is passed through the pipe groove 702 of the protective plate 701, and the oil pipe is fixedly connected with the oil hole 10, finally, the protective plate 701 is fixed on the support strip 9 of the oil pipe mounting port 8 through screws, and the sealing ring 703 can seal between the oil pipe and the oil pipe mounting port 8;

[0031] The staff can install the cylinder barrel 1 through the mounting hole 12 of the mounting rod 11, and can install the piston rod 13 through the ear ring 20, and can control the piston rod 13 to stretch and retract by inputting the environment-friendly hydraulic oil into the cylinder barrel 1 through the oil pipe, in the process of stretching and retracting of the piston rod 13, the corrugated hose 14 can be elongated and contracted, the corrugated hose 14 does not interfere with the stretching and retracting of the piston rod 13, and the corrugated hose 14 can protect the surface of the piston rod 13, when there is more dust, the piston rod 13 can be prevented from contacting the dust, the dustproof ability of the piston rod 13 is improved, the piston rod 13 can be prevented from being stuck when there is more dust, the abrasion of the piston rod 13 is reduced, and the damage of the sealing element caused by dust can be avoided;

[0032] In the process of elongation and contraction of the corrugated hose 14, the support ring 1501 can ensure the circulation of air inside and outside the corrugated hose 14 through the air-permeable grooves on the surface of the support ring 1501, the phenomenon that the air pressure inside and outside the corrugated hose 14 is inconsistent is avoided, the dust screen 1502 can prevent dust from entering the inside of the corrugated hose 14, in the working process of the cylinder barrel 1, the protective sleeve 2 and the protective plate 701 can prevent the cylinder barrel 1 from contacting dust, and can improve the anti-collision ability of the cylinder barrel 1, and the protective sleeve 2 and the corrugated hose 14 can be disassembled by loosening the screws.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An environmentally friendly hydraulic cylinder with a sealing structure, comprising a cylinder barrel (1), characterized in that: The oil hole (10) is arranged on both sides of the cylinder barrel (1), the surface of the protective sleeve (2) is provided with an oil pipe mounting assembly (7) for connecting the oil pipe, one end of the protective sleeve (2) is fixedly provided with a supporting ring (3), the supporting ring (3) is fixedly connected with one end of the cylinder barrel (1) through screws, the cylinder barrel (1) is slidably connected with a piston rod (13), the surface of the piston rod (13) is sleeved with a corrugated hose (14), one end of the corrugated hose (14) is provided with a supporting assembly (15) for supporting the corrugated hose (14), the other end of the corrugated hose (14) is fixedly connected with the supporting ring (3).

2. The environmentally friendly hydraulic cylinder with a sealing structure according to claim 1, characterized in that: The oil pipe mounting assembly (7) comprises a protective plate (701), and pipe grooves (702) for mounting the oil pipe are arranged on both sides of the protective plate (701).

3. The environmentally friendly hydraulic cylinder with a sealing structure according to claim 2, characterized in that: The surface of the protective sleeve (2) is provided with an oil pipe mounting port (8), and supporting strips (9) are fixedly arranged on the top and bottom of the oil pipe mounting port (8), and the protective plate (701) is fixedly connected with the supporting strips (9) through screws.

4. The environmentally friendly hydraulic cylinder with a sealing structure according to claim 1, characterized in that: One end of the cylinder barrel (1) is fixedly provided with a cylinder cover (4), the middle of the cylinder cover (4) is fixedly provided with a rod sleeve (21), the piston rod (13) is slidably connected with the inside of the rod sleeve (21), and the inner wall of the rod sleeve (21) is clampedly connected with an oil seal and a dustproof ring (22).

5. The environmentally friendly hydraulic cylinder with a sealing structure according to claim 1, characterized in that: The other end of the cylinder barrel (1) is fixedly provided with a mounting rod (11), the surface of the mounting rod (11) is provided with a mounting hole (12), the middle of the other end of the protective sleeve (2) is provided with a rod groove (5) penetratingly connected with the mounting rod (11), and the inside of the rod groove (5) is clampedly connected with a rubber ring I (6).

6. The environmentally friendly hydraulic cylinder with a sealing structure according to claim 1, characterized in that: The other end of the corrugated hose (14) is fixedly provided with a mounting ring (16), one side of the mounting ring (16) is clampedly connected with a rubber ring II (17), and one side of the mounting ring (16) is fixedly connected with one side of the supporting ring (3) through screws.

7. The environmentally friendly hydraulic cylinder with a sealing structure according to claim 1, characterized in that: The supporting assembly (15) comprises a supporting ring (1501), two air grooves are arranged on the surface of the supporting ring (1501), a dust screen (1502) is fixedly arranged on one side of the air groove, a groove (1503) is arranged on one side of the supporting ring (1501), and a sealing gasket (1504) is clampedly connected in the groove (1503).

8. The environmentally friendly hydraulic cylinder with a sealing structure according to claim 7, characterized in that: One end of the piston rod (13) is fixedly provided with an end plate (18), one side of the supporting ring (1501) is fixedly connected with one side of the end plate (18) through screws, the inner diameter of the supporting ring (1501) is greater than the diameter of the end plate (18), the middle of one side of the end plate (18) is fixedly provided with a connecting rod (19) penetratingly connected with the supporting ring (1501), and one end of the connecting rod (19) is fixedly provided with an earring (20).

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