CN221003363U - Oil cylinder capable of preventing leakage - Google Patents

Abstract

The utility model discloses a leakage-proof oil cylinder, which comprises a cylinder body, wherein an oil inlet pipe is welded on the outer wall of the cylinder body, a sealing cover is connected with the top of the oil inlet pipe far away from the cylinder body through threads, a sealing gasket is arranged between the sealing cover and the oil inlet pipe, an annular collecting frame is fixedly connected with the outer surface of the oil inlet pipe, and an annular thread groove is formed in the top of the collecting frame: when the cylinder body produces the oil pressure, because sealed lid is threaded connection on the oil feed pipe, cooperation sealing gasket can play certain fluid and prevent revealing the function, and when sealed gasket used for a long time and ageing, the oil is possible to leak from sealed junction of lid and oil feed pipe, and oil can flow to the inside of annular collection frame, then through the hose slip to in the connecting pipe, finally get into the inside of oil feed pipe once more through the check valve, cooperation sealing gasket's establishment has reached double insurance, has avoided the waste of oil body.

Description

Oil cylinder capable of preventing leakage

Technical Field

The utility model relates to the technical field of oil cylinders, in particular to an anti-leakage oil cylinder.

Background

The oil cylinder is a hydraulic cylinder, and the hydraulic cylinder is a linear motion type executing element with output force being in direct proportion to the effective area of the piston and the pressure difference on two sides of the piston. Its function is to convert hydraulic energy into mechanical energy. The input of the hydraulic cylinder is the flow and pressure of the fluid, and the output is the linear motion speed and force. The piston of the hydraulic cylinder can complete linear reciprocating motion, the output linear displacement is limited, and the hydraulic cylinder is an energy conversion device for converting hydraulic energy into mechanical energy of reciprocating linear motion.

In order to solve the technical problems, the prior art proposes a leakage-preventing device for a hydraulic cylinder, which comprises a cylinder body, wherein two oil inlet pipes are welded and connected to the outer wall of the cylinder body, an oil conveying sealing cover is connected to the outer wall of one side, far from the cylinder body, of each oil inlet pipe in a screw manner, an oil conveying pipe is welded and connected to the outer wall of one side, far from the oil inlet pipe, of each sealing cover, and a sealing gasket is arranged between each sealing cover and each oil inlet pipe; although the patent can solve the problem that the common hydraulic oil cylinder in the prior art easily causes oil waste when oil leaks in the working process through the oil seepage cavity, the oil return pipe and the one-way valve; however, the above patent has certain defects in the use process, for example, in the working process of the oil cylinder, the joint of the oil transportation sealing cover and the oil inlet pipe can leak, and the leakage prevention is finished only by the sealing gasket, so that the effect is possibly unsatisfactory, the waste of resources is caused, and the environment is polluted.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a leakage-proof oil cylinder.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a cylinder of preventing revealing, includes the cylinder body, cylinder body outer wall welded connection has an oil feed pipe, the top threaded connection that the cylinder body was kept away from to the oil feed pipe has sealed lid, be equipped with sealing gasket between sealed lid and the oil feed pipe, the annular collecting frame of surface fixedly connected with of oil feed pipe, annular thread groove has been seted up at the top of collecting frame, the surface fixedly connected with spacing ring of sealed lid, the bottom fixedly connected with of spacing ring and the thread ring of annular thread groove looks adaptation, one side fixedly connected with connecting pipe of oil feed pipe, multiunit leak opening has been seted up to the bottom of annular collecting frame, the bottom fixedly connected with hose of leak opening, the hose is linked together with the connecting pipe, the connecting pipe is close to one side outer wall of oil feed pipe and is equipped with the check valve.

Preferably, a sealing gasket ring is fixedly connected to the top side of the inner surface of the annular collecting frame.

Preferably, the inner wall of the oil inlet pipe is provided with a containing groove, and a rubber ring is connected inside the containing groove.

Preferably, a placing groove is formed in the connecting pipe, and toughened glass is fixedly connected to the inside of the placing groove.

The beneficial effects of the utility model are as follows: when the leakage-proof oil cylinder is used, the sealing cover is in threaded connection with the oil inlet pipe when the oil pressure is generated by the cylinder body, the sealing gasket can play a certain role in preventing leakage of oil, when the sealing gasket is aged after long-time use, the oil is likely to leak from the connection part of the sealing cover and the oil inlet pipe, the oil can flow into the annular collecting frame, then flows into the connecting pipe through the hose and finally enters the oil inlet pipe again through the one-way valve, and double insurance is achieved by matching with the sealing gasket, so that the waste of oil is avoided.

Drawings

FIG. 1 is a schematic view of the basic structure of the present utility model;

FIG. 2 is a schematic diagram showing the structure A of FIG. 1 according to the present utility model;

Fig. 3 is a schematic view of a connecting pipe structure according to the present utility model.

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 understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1-3, the anti-leakage oil cylinder provided by the utility model comprises a cylinder body 1, an oil inlet pipe 2 is welded and connected to the outer wall of the cylinder body 1, a sealing cover 3 is connected to the top of the oil inlet pipe 2 far away from the cylinder body 1 in a threaded manner, a sealing gasket 4 is arranged between the sealing cover 3 and the oil inlet pipe 2, an annular collecting frame 5 is fixedly connected to the outer surface of the oil inlet pipe 2, an annular thread groove 6 is formed in the top of the collecting frame, a limiting ring 7 is fixedly connected to the outer surface of the sealing cover 3, a threaded ring 8 matched with the annular thread groove 6 is fixedly connected to the bottom of the limiting ring 7, a connecting pipe 9 is fixedly connected to one side of the oil inlet pipe 2, a plurality of groups of leak holes 10 are formed in the bottom of the leak holes 10, a hose 11 is fixedly connected to the bottom of the hose 11 and is communicated with the connecting pipe 9, one side outer wall of the connecting pipe 9 close to the oil inlet pipe 2 is provided with a one-way valve 12, when the cylinder body 1 generates oil pressure, the sealing cover 3 is in threaded connection with the oil inlet pipe 2, the sealing gasket 4 can play a certain oil anti-leakage function when the sealing gasket 4 is used for a long time, and the sealing gasket 4 can be aged, the oil can possibly leak from the sealing cover 3 and the oil inlet pipe 2 through the annular leak pipe 2 through the annular connecting pipe 2, the annular leak valve 12 and the inner wall is prevented from entering the inner part through the sealing pipe 12 when the sealing pipe is in the sealing pipe, and the sealing pipe is finally, the inside is in the sealing pipe 11, and the inside is prevented from being in a sliding connection.

The top side of the inner surface of the annular collecting frame 5 is fixedly connected with a sealing gasket ring 13; the sealing ring pad is arranged so that the sealing performance between the limiting ring 7 and the annular collecting frame 5 is stronger.

The inner wall of the oil inlet pipe 2 is provided with a containing groove 14, and a rubber ring 15 is connected inside the containing groove 14; the sealing performance between the sealing cover 3 and the oil inlet pipe 2 is better by setting up the rubber ring 15.

A placing groove 16 is formed in the connecting pipe 9, and toughened glass 17 is fixedly connected inside the placing groove 16; by setting up the tempered glass 17, it is possible for a worker to observe the situation inside the connection pipe 9.

Working principle: when in use, when the rotary sealing cover 3 is screwed to be connected with the oil inlet pipe 2, the threaded ring 8 is also in threaded connection in the annular threaded groove 6 until the limiting ring 7 is abutted against the annular collecting frame 5, when the cylinder body 1 generates oil pressure, as the sealing cover 3 is in threaded connection on the oil inlet pipe 2, the sealing gasket 4 can play a certain role in preventing leakage of oil, when the sealing gasket 4 is aged after long-term use, the oil is likely to leak from the connection part of the sealing cover 3 and the oil inlet pipe 2, the oil can flow to the inside of the annular collecting frame 5, then slides into the connecting pipe 9 through the hose 11, finally enters the inside of the oil inlet pipe 2 again through the one-way valve 12, and double insurance is achieved by matching with the sealing gasket 4, so that the waste of oil bodies is avoided.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (4)

1. The utility model provides a cylinder of preventing revealing, includes cylinder body (1), its characterized in that: the utility model discloses a cylinder body, cylinder body (1) outer wall welded connection has into oil pipe (2), the top threaded connection that cylinder body (1) was kept away from to advance oil pipe (2) has sealed lid (3), be equipped with sealing gasket (4) between sealed lid (3) and the oil pipe (2), the annular collection frame (5) of surface fixedly connected with of oil pipe (2), annular thread groove (6) have been seted up at the top of collecting the frame, the surface fixedly connected with spacing ring (7) of sealed lid (3), the bottom fixedly connected with of spacing ring (7) and thread ring (8) of annular thread groove (6) looks adaptation, one side fixedly connected with connecting pipe (9) of oil pipe (2), multiunit leak (10) have been seted up to the bottom of annular collection frame (5), the bottom fixedly connected with hose (11) of leak (10), hose (11) are linked together with connecting pipe (9), one side outer wall that connecting pipe (9) are close to oil pipe (2) is equipped with check valve (12).

2. The leak-proof cylinder as defined in claim 1, wherein: the top side of the inner surface of the annular collecting frame (5) is fixedly connected with a sealing gasket ring (13).

3. The leak-proof cylinder as defined in claim 1, wherein: an accommodating groove (14) is formed in the inner wall of the oil inlet pipe (2), and a rubber ring (15) is connected to the inner part of the accommodating groove (14).

4. The leak-proof cylinder as defined in claim 1, wherein: a placing groove (16) is formed in the connecting pipe (9), and toughened glass (17) is fixedly connected inside the placing groove (16).