CN220302444U - Wear-resistant hydraulic cylinder - Google Patents

Abstract

The utility model discloses a wear-resistant hydraulic cylinder which comprises an oil cylinder barrel, a second inlet and a ventilation ring, wherein an oil cylinder cover is arranged at one end of the oil cylinder barrel, the second inlet is arranged at the top of the oil cylinder barrel in a penetrating manner, a piston body is movably arranged in the oil cylinder barrel, a piston rod is arranged at one side of the piston body and penetrates through the oil cylinder cover, the ventilation ring is arranged at one side of the oil cylinder cover, jet heads are symmetrically arranged at the inner side of the ventilation ring, and the jet heads are arranged in a surrounding manner on four sides. According to the utility model, the piston rod is cleaned by installing the jet head, so that the piston rod cannot be worn out due to foreign matters and the like when the piston rod stretches and contracts, and the service life of the hydraulic cylinder is longer.

Description

Wear-resistant hydraulic cylinder

Technical Field

The utility model relates to the technical field of hydraulic cylinders, in particular to a wear-resistant hydraulic cylinder.

Background

The hydraulic cylinder is a hydraulic executive component which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion), has simple structure and reliable work, and is widely applied to hydraulic systems of various machines.

Patent document CN216382075U discloses a wear-resistant hydraulic cylinder, "comprising a cylinder body, the inside of cylinder body is provided with the piston, the piston rod is installed to one side of piston, one side of cylinder body is close to the piston rod and passes through bolt fixed mounting has the cylinder cap, the inside of cylinder cap inlays and is equipped with dustproof rubber ring, the fixed section of thick bamboo of surface fixedly connected with of piston rod, the surface swing joint of fixed section of thick bamboo has the adjusting ring, the surface fixedly connected with stabilizer bar of adjusting ring. This wear-resisting hydraulic cylinder, through dustproof rubber ring, fixed section of thick bamboo, adjusting ring, stabilizer bar, vice pole, first solid fixed ring and the setting of the fixed ring of second, the piston rod when producing relative movement with the cylinder body, flexible gum cover can follow the piston rod and stretch, shrink to can carry out effectual protection to the piston rod in the motion process, both reduced external debris dust and get into in the cylinder body, be favorable to the protection of piston rod again, and then improved this hydraulic cylinder's wear-resisting effect. The hydraulic cylinder is protected by adding the telescopic rubber sleeve, but the existing hydraulic cylinder parts comprise rubber sleeves and the like, but the parts which are directly cleaned are lacking, so that the hydraulic cylinder is easy to wear when in use.

Disclosure of Invention

An object of the present application is to provide a wear resistant hydraulic cylinder to solve the technical problem that the hydraulic cylinder is easily worn out when in use due to the lack of direct cleaning parts proposed in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the wear-resistant hydraulic cylinder comprises an oil cylinder barrel, a second inlet and a ventilation ring, wherein an oil cylinder cover is arranged at one end of the oil cylinder barrel, the second inlet is arranged at the top of the oil cylinder barrel in a penetrating manner, a piston body is movably arranged in the oil cylinder barrel, a piston rod is arranged at one side of the piston body, and the piston rod penetrates through the oil cylinder cover;

one side of the oil cylinder cover is provided with an air vent ring, the inner side of the air vent ring is symmetrically provided with jet heads, and the jet heads are arranged in a surrounding manner on four sides.

Preferably, a first inlet is formed in the top of the oil cylinder barrel, the first inlet penetrates through the inner wall of the top of the oil cylinder barrel, and a connecting barrel is arranged on the other side of the oil cylinder barrel.

Preferably, the outside of oil cylinder cap is provided with the antifriction ring, and the outside of oil cylinder cap is provided with the sealing ring, and the sealing ring is located one side of antifriction ring, and the sealing ring is connected with one side of antifriction ring and oil cylinder.

Preferably, a connecting disc is arranged at the top of the second inlet, a filter screen is arranged at the bottom of the connecting disc, the filter screen is positioned in the second inlet, and a connecting pipe is arranged at the outer side of the second inlet.

Preferably, a mounting cylinder is mounted at one end of the piston rod.

Preferably, the front surface of the ventilation ring is provided with a connector in a penetrating way, and one end of the connector is provided with a conduit.

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

1. according to the utility model, the air conveying pipeline is connected through the guide pipe, so that air for cleaning foreign matters outside the piston rod can enter the ventilation ring through the guide pipe, and then is sprayed out through the jet head arranged inside the ventilation ring, so that the piston rod is cleaned, the piston rod is affected by external foreign matters to be worn when the piston rod stretches and contracts, and the jet head is arranged to clean the piston rod, so that the piston rod cannot be worn due to foreign matters and the like when the piston rod stretches and contracts, and the service life of the hydraulic cylinder is longer.

2. When hydraulic oil enters through the second inlet, the hydraulic oil can be filtered through the filter screen, so that the hydraulic oil enters into the hydraulic oil cylinder more cleanly, foreign matters are prevented from entering into the hydraulic oil cylinder, and serious abrasion is caused to internal parts due to the influence on the use of the hydraulic oil cylinder.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a schematic view of a mounting plate structure of the present utility model;

fig. 4 is a schematic structural view of the venting ring of the present utility model.

In the figure: 1. an oil cylinder; 101. a first access port; 102. a connecting cylinder; 2. a cylinder head; 201. a wear ring; 202. a seal ring; 3. a second inlet port; 301. a connecting disc; 302. a filter screen; 303. a connecting pipe; 4. a piston body; 401. a piston rod; 402. a mounting cylinder; 5. an air-permeable ring; 501. a jet head; 502. a connector; 503. a catheter.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, an embodiment of the present utility model is provided: a wear-resistant hydraulic cylinder;

the oil cylinder barrel comprises an oil cylinder barrel 1, an oil cylinder cover 2, a second inlet port 3 and a piston body 4, wherein a first inlet port 101 is formed in the top of the oil cylinder barrel 1, the first inlet port 101 penetrates through the inner wall of the top of the oil cylinder barrel 1, a connecting tube 102 is arranged on the other side of the oil cylinder barrel 1, the oil cylinder cover 2 is arranged at one end of the oil cylinder barrel 1, a wear-resisting ring 201 is arranged on the outer side of the oil cylinder cover 2, a sealing ring 202 is arranged on the outer side of the oil cylinder cover 2, the sealing ring 202 is positioned on one side of the wear-resisting ring 201, the sealing ring 202 is connected with the wear-resisting ring 201 and one side of the oil cylinder barrel 1, the second inlet port 3 is arranged at the top of the oil cylinder barrel 1 in a penetrating manner, a connecting disc 301 is arranged at the top of the second inlet port 3, a filter screen 302 is arranged at the bottom of the connecting disc 301 and positioned in the second inlet port 3, a piston body 4 is movably arranged in the oil cylinder barrel 1 due to a connecting tube 303, a piston rod 401 is arranged on one side of the piston body 4, a piston rod 401 penetrates through the inner part of the oil cylinder cover 2, and a mounting tube 402 is arranged at one end of the piston rod 401;

the oil cylinder 1 is the shell of this hydraulic cylinder, for each part installation on this hydraulic cylinder provides the position, this hydraulic cylinder is when using, the hydraulic oil that uses in the drive through second inlet port 3 enters into the inside of oil cylinder 1, the hydraulic oil of entering can promote piston body 4 and remove in the inside of oil cylinder 1, make the ejecting use of piston rod 401, when needing to retrieve piston rod 401, get into hydraulic oil in the first inlet port 101, make piston body 4 to the opposite direction promotion through the hydraulic oil of entering, make piston rod 401 be retrieved, the hydraulic oil that gets into through second inlet port 3 can flow back outside, the retransmission is inside when needing to use, connecting cylinder 102 provides the effect for this hydraulic cylinder's installation, simultaneously one end of oil cylinder 1 is sealed through oil cylinder cover 2, when piston rod 401 runs through oil cylinder cover 2, the antifriction ring 201 and the sealing ring 202 of installation through oil cylinder cover 2 play antifriction seal's effect respectively, reduce the friction to piston rod 401, also prevent simultaneously that the dust from entering into the inside of hydraulic cylinder, install cylinder 402 plays the effect of connection, when hydraulic oil passes through second inlet port 3, can filter the hydraulic oil, can filter into through filter screen 302 when hydraulic oil, can cause the hydraulic oil to get into the inside through the hydraulic cylinder, can cause the inside to more serious influence the hydraulic cylinder to the hydraulic cylinder, the inside is more serious influence the hydraulic cylinder.

Referring to fig. 4, an embodiment of the present utility model is provided: a wear-resistant hydraulic cylinder;

the oil cylinder cover comprises an air ring 5, wherein one side of the oil cylinder cover 2 is provided with the air ring 5, the inner side of the air ring 5 is symmetrically provided with jet heads 501, the jet heads 501 are arranged around the installation part in four sides, the front surface of the air ring 5 is provided with a connector 502 in a penetrating way, and one end of the connector 502 is provided with a conduit 503;

the vent ring 5 provides a position for installing the jet head 501, and when the hydraulic cylinder is used, the piston rod 401 can extend to the outside, particles, foreign matters and the like can be generated outside the piston rod 401, and at the moment, the air delivery pipeline is connected through the conduit 503, so that air for cleaning the foreign matters outside the piston rod 401 can enter the vent ring 5 through the conduit 503, and then the air is sprayed out through the jet head 501 installed inside the vent ring 5, so that the piston rod 401 is cleaned, and the piston rod 401 is affected by the external foreign matters to be worn when being stretched.

Working principle: before the wear-resistant hydraulic cylinder is used, whether the wear-resistant hydraulic cylinder has the problem of influencing the use or not is checked, the wear-resistant hydraulic cylinder is firstly installed to a position to be used through a connecting cylinder 102, a first inlet port 101 is connected with a connecting pipe 303 through an oil pipe, after the hydraulic oil enters the hydraulic cylinder in the hydraulic oil connecting pipe 303 and a second inlet port 3, hydraulic oil can push a piston body 4 to move so as to drive a piston rod 401 to move out for use, if the piston rod 401 needs to be pushed in, the first inlet port 101 can push the piston body 4 to move in the opposite direction through the hydraulic oil, so that the piston rod body 401 is retracted, and the hydraulic oil enters the original path through the second inlet port 3.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (6)

1. The utility model provides a wear-resisting hydraulic cylinder, includes oil cylinder (1), second inlet port (3) and breather ring (5), its characterized in that: a cylinder cover (2) is arranged at one end of the oil cylinder barrel (1), a second inlet (3) is arranged at the top of the oil cylinder barrel (1) in a penetrating manner, a piston body (4) is movably arranged in the oil cylinder barrel (1), a piston rod (401) is arranged at one side of the piston body (4), and the piston rod (401) penetrates through the interior of the cylinder cover (2);

one side of the oil cylinder cover (2) is provided with an air ventilation ring (5), the inner side of the air ventilation ring (5) is symmetrically provided with jet heads (501), and the jet heads (501) are arranged in a surrounding manner on four sides.

2. A wear resistant hydraulic ram as set forth in claim 1, wherein: the top of oil cylinder (1) has seted up first inlet port (101), and first inlet port (101) run through the top inner wall of oil cylinder (1), and connecting cylinder (102) are installed to the opposite side of oil cylinder (1).

3. A wear resistant hydraulic ram as set forth in claim 1, wherein: the oil cylinder cover is characterized in that an anti-abrasion ring (201) is arranged on the outer side of the oil cylinder cover (2), a sealing ring (202) is arranged on the outer side of the oil cylinder cover (2), the sealing ring (202) is located on one side of the anti-abrasion ring (201), and the sealing ring (202) is connected with one side of the anti-abrasion ring (201) and one side of the oil cylinder barrel (1).

4. A wear resistant hydraulic ram as set forth in claim 1, wherein: the top of second inlet port (3) is provided with connection pad (301), and the bottom of connection pad (301) is provided with filter screen (302), and filter screen (302) are located the inside of second inlet port (3), and the outside of second inlet port (3) sets up because connecting pipe (303).

5. A wear resistant hydraulic ram as set forth in claim 1, wherein: one end of the piston rod (401) is provided with a mounting cylinder (402).

6. A wear resistant hydraulic ram as set forth in claim 1, wherein: the front of ventilation ring (5) runs through and installs connector (502), and pipe (503) is installed to one end of connector (502).