CN219262852U

CN219262852U - Screw plug for protecting oil port of oil cylinder

Info

Publication number: CN219262852U
Application number: CN202320396272.2U
Authority: CN
Inventors: 刘松; 樊浩; 刘芳
Original assignee: Shenyang Jinhong Mechanical Equipment Manufacturing Co ltd
Current assignee: Shenyang Jinhong Mechanical Equipment Manufacturing Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-06-27
Anticipated expiration: 2033-03-06

Abstract

The utility model discloses a screw plug for protecting an oil port of an oil cylinder, which belongs to the technical field of screw plugs and is characterized in that a sealing mechanism is arranged at the bottom of the screw plug, a pull-out assembly is arranged at the top of the screw plug, a cooperative assembly is arranged at the top of the pull-out assembly, the sealing mechanism comprises a rubber rod, a sealing layer and a friction layer, the rubber rod is fixedly connected to the bottom of the screw plug, a plurality of sealing layers are fixedly connected to one side of the rubber rod, the friction layer is arranged at the top of the sealing layer, the sealing mechanism is arranged, when the screw plug is plugged into the oil port needing to be sealed in use, the oil port can be sealed, oil stains are prevented from penetrating out of the oil port, and the pull-out assembly is arranged, so that the screw plug can be pulled out more conveniently in use and cleaned.

Description

Screw plug for protecting oil port of oil cylinder

Technical Field

The utility model relates to the technical field of screw plugs, in particular to a screw plug for protecting an oil port of an oil cylinder.

Background

The screw plug is a part which is used for preventing liquid in the oil port from leaking by plugging the screw plug into the residual space of the oil port after the nut is connected into the thread groove of the oil port through threads.

The current announcements are: the Chinese patent of CN218325583U discloses a composite screw plug for protecting an oil port of a hydraulic oil cylinder and the hydraulic oil cylinder, which integrates the screw plug, a pressing plate and a mounting head into a whole, is easy to mount, is provided with an outer spigot on the mounting head, and is provided with a polyurethane pad, the composite screw plug is screwed into the thread of the oil port, and then the pressing plate presses the polyurethane pad, the polyurethane pad covers the processing surface of the oil port, so that the processing surface of the oil port is prevented from being rusted due to contact with oxygen, and meanwhile, the composite screw plug can effectively avoid leakage of oil in the hydraulic oil cylinder after being screwed.

Although this patent possesses the function that prevents that hydraulic fluid processing face contact oxygen and rust, can effectively avoid the fluid seepage in the hydraulic cylinder to come out simultaneously, nevertheless can not stop fluid seepage come out completely in the in-process of in-service use yet, inconvenient dismantlement after long time simultaneously.

Disclosure of Invention

1. Technical problem to be solved

The utility model provides a screw plug for protecting an oil port of an oil cylinder, and aims to solve the problems that the existing screw plug for protecting the oil port of the oil cylinder cannot completely stop oil from leaking out in the using process and is inconvenient to detach after a long time.

2. Technical proposal

The utility model discloses a screw plug for protecting an oil port of an oil cylinder, which comprises a screw plug, wherein a sealing mechanism is arranged at the bottom of the screw plug, a pulling-out assembly is arranged at the top of the screw plug, and a cooperative assembly is arranged at the top of the pulling-out assembly;

the sealing mechanism comprises a rubber rod, a sealing layer and a friction layer, wherein the rubber rod is fixedly connected to the bottom of the screw plug, the sealing layers are fixedly connected to one side of the rubber rod, and the friction layer is arranged at the top of the sealing layer.

In order to achieve the effect of facilitating the screw plug to separate from the oil port, the screw plug for protecting the oil port of the oil cylinder is preferable, and the pull-out assembly comprises a pull-out groove, a limit groove, a pull-out rod and a limit block, wherein the pull-out groove is formed in the top of the screw plug, the limit groove is formed in the bottom of the pull-out groove, the pull-out rod is slidably connected in the pull-out groove and the limit groove, and the limit block is fixedly connected to the bottom of the pull-out rod and slidably connected with the limit groove.

In order to achieve the effect of conveniently pulling the pulling rod out of the pulling groove, the screw plug for protecting the oil port of the oil cylinder is preferable, and the cooperative assembly comprises a handle groove and a handle, wherein the handle groove is formed in the top of the pulling rod, and the handle is inserted into the handle groove.

In order to achieve the effect of limiting the limiting block, the screw plug for protecting the oil port of the oil cylinder is preferable, and a rubber ring is arranged in the limiting groove.

In order to achieve the effect of increasing the air tightness of the oil port, the screw plug for protecting the oil port of the oil cylinder is preferably provided with a rubber suction layer on one side.

In order to achieve the effect of adapting oil ports with different diameters, the plug screw for protecting the oil port of the oil cylinder is preferably provided with an adapting groove at one time.

In order to achieve the effect of increasing the sealing effect of the screw plug, the screw plug for protecting the oil port of the oil cylinder is preferable, and a rubber pad is arranged on one side of the adapting groove.

3. Advantageous effects

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

this a plug screw for hydro-cylinder hydraulic fluid port protection, through setting up sealing mechanism, when in the hydraulic fluid port that needs to seal is plugged into to the plug screw when using, can seal the hydraulic fluid port, prevent that there is the greasy dirt to permeate out from the inside of hydraulic fluid port, extract the subassembly through setting up, can be more convenient pull out the plug screw through extracting the subassembly when using, facilitate the use and clear up the plug screw, through setting up the cooperation subassembly, can more facilitate the use pull out the subassembly when using cooperation subassembly, through setting up rubber rod, sealing layer and frictional layer, when will plug screw into the hydraulic fluid port after the rubber rod can insert the hydraulic fluid port earlier and carry out the restriction of greasy dirt, then the sealing layer can seal the greasy dirt, the frictional layer can prevent that the sealing layer from producing the deformation, the gas tightness of hydraulic fluid port is increased simultaneously.

Drawings

FIG. 1 is an overall block diagram of the present utility model;

FIG. 2 is a right side view of the present utility model;

FIG. 3 is a schematic perspective cross-sectional view of the utility model at A-A of FIG. 2;

FIG. 4 is a schematic view of a pull-out assembly of the present utility model;

FIG. 5 is a schematic view of the sealing mechanism of the present utility model.

The reference numerals in the figures illustrate:

1. a screw plug; 2. a sealing mechanism; 3. pulling out the assembly; 4. a collaboration component; 201. a rubber stick; 202. a sealing layer; 203. a friction layer; 301. pulling out the groove; 302. a limit groove; 303. pulling out the rod; 304. a limiting block; 401. a handle groove; 402. a handle; 501. a rubber ring; 601. a rubber suction layer; 701. an adaptation groove; 801. and a rubber pad.

Detailed Description

The present utility model will be further described in detail with reference to the drawings and examples, in order to achieve the objects, technical solutions and advantages of the present utility model. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1-5, the present utility model provides the following technical solutions: the screw plug 1 for protecting the oil port of the oil cylinder comprises a screw plug 1, wherein a sealing mechanism 2 is arranged at the bottom of the screw plug 1, a pulling-out assembly 3 is arranged at the top of the screw plug 1, and a cooperative assembly 4 is arranged at the top of the pulling-out assembly 3;

the sealing mechanism 2 comprises a rubber rod 201, a sealing layer 202 and a friction layer 203, wherein the rubber rod 201 is fixedly connected to the bottom of the screw plug 1, a plurality of sealing layers 202 are fixedly connected to one side of the rubber rod 201, and the friction layer 203 is arranged on the top of the sealing layers 202.

In this embodiment: through setting up sealing mechanism 2, when in the oil port that needs sealed is plugged into with plug screw 1 in the use, can seal the oil port, prevent that there is the greasy dirt from permeating out from the inside of oil port, extract subassembly 3 through setting up, can be more convenient with plug screw 1 through extracting subassembly 3 when using, facilitate the use and clear up plug screw 1, through setting up cooperative assembly 4, can more facilitate the use of cooperative assembly 4 when using and extract subassembly 3, through setting up rubber rod 201, sealing layer 202 and frictional layer 203, when using with plug screw 1 after inserting the oil port rubber rod 201 can insert the oil port earlier and carry out the restriction of flow to the greasy dirt, then sealing layer 202 can seal the greasy dirt, last frictional layer 203 can prevent that sealing layer 202 from producing the deformation, increase the gas tightness of oil port simultaneously.

As a technical optimization scheme of the utility model, the pull-out assembly 3 comprises a pull-out groove 301, a limit groove 302, a pull-out rod 303 and a limit block 304, wherein the pull-out groove 301 is formed in the top of the screw plug 1, the limit groove 302 is formed in the bottom of the pull-out groove 301, the pull-out rod 303 is slidably connected to the insides of the pull-out groove 301 and the limit groove 302, and the limit block 304 is fixedly connected to the bottom of the pull-out rod 303 and slidably connected to the limit groove 302.

In this embodiment: through setting up pull-out groove 301, spacing groove 302, pull-out pole 303 and stopper 304, when needs pull out plug screw 1 during the use, will pull out pole 303 and pull out groove 301, make pull-out pole 303 in pull-out groove 301 internal sliding, stopper 304 slides in spacing groove 302, then pulls pull-out pole 303 and drives plug screw 1 and break away from the hydraulic fluid port.

As a technical optimization scheme of the utility model, the cooperative assembly 4 comprises a handle groove 401 and a handle 402, wherein the handle groove 401 is formed at the top of the extracting rod 303, and the handle 402 is inserted into the handle groove 401.

In this embodiment: by providing the handle groove 401 and the handle 402, the handle 402 is inserted into the interior of the handle groove 401 when the plug screw 1 is required to be pulled out in use, and the pulling-out lever 303 can be pulled out from the interior of the pulling-out groove 301 conveniently.

As a technical optimization scheme of the utility model, a rubber ring 501 is arranged in the limiting groove 302.

In this embodiment: through setting up rubber ring 501, can carry out spacing to stopper 304 when using.

As a technical optimization scheme of the utility model, one side of the screw plug 1 is provided with a rubber suction layer 601.

In this embodiment: through setting up the rubber layer 601 that absorbs, when the plug screw 1 is plugged into the hydraulic fluid port when using, the rubber layer 601 that absorbs can adsorb on the peripheral wall of hydraulic fluid port, increases the gas tightness of hydraulic fluid port.

As a technical optimization scheme of the utility model, the screw plug 1 is provided with an adapting groove 701 at one time.

In this embodiment: by arranging the adapting groove 701, the screw plug 1 can be adapted to oil ports with different diameters through the adapting groove 701 when in use.

As a technical optimization scheme of the utility model, one side of the adaptation groove 701 is provided with a rubber pad 801.

In this embodiment: by providing the rubber pad 801, the sealing effect of the screw plug 1 can be increased when in use.

Working principle: firstly, when the screw plug 1 is plugged into the oil port, the rubber stick 201 is firstly inserted into the oil port to limit oil stains, then the sealing layer 202 seals the oil stains, finally the friction layer 203 can prevent the sealing layer 202 from deforming and increase the air tightness of the oil port, when the screw plug 1 is plugged into the oil port, the rubber suction layer 601 can be adsorbed on the wall of the periphery of the oil port to increase the air tightness of the oil port, when the screw plug 1 needs to be pulled out, the handle 402 is inserted into the groove 401, the pull rod 303 can be conveniently pulled out from the groove 301, the pull rod 303 is pulled out of the groove 301, the pull rod 303 slides in the groove 301, the limiting block 304 slides in the limiting groove 302, then the pull rod 303 drives the screw plug 1 to be separated from the oil port, and the rubber ring 501 can limit the limiting block 304.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. Screw plug (1) for protection of hydro-cylinder hydraulic fluid port, including screw plug (1), its characterized in that: the bottom of the screw plug (1) is provided with a sealing mechanism (2), the top of the screw plug (1) is provided with a pulling-out assembly (3), and the top of the pulling-out assembly (3) is provided with a cooperative assembly (4);

the sealing mechanism (2) comprises a rubber rod (201), a sealing layer (202) and a friction layer (203), wherein the rubber rod (201) is fixedly connected to the bottom of the screw plug (1), a plurality of sealing layers (202) are fixedly connected to one side of the rubber rod (201), and the friction layer (203) is arranged at the top of the sealing layers (202).

2. The plug screw (1) for protection of a cylinder port according to claim 1, characterized in that: the pull-out assembly (3) comprises a pull-out groove (301), a limit groove (302), a pull-out rod (303) and a limit block (304), wherein the pull-out groove (301) is formed in the top of the screw plug (1), the limit groove (302) is formed in the bottom of the pull-out groove (301), the pull-out rod (303) is slidably connected to the inside of the pull-out groove (301) and the limit groove (302), and the limit block (304) is fixedly connected to the bottom of the pull-out rod (303) and is slidably connected with the limit groove (302).

3. A plug screw (1) for protection of a cylinder port according to claim 2, characterized in that: the cooperation assembly (4) comprises a handle groove (401) and a handle (402), wherein the handle groove (401) is formed in the top of the pulling-out rod (303), and the handle (402) is inserted into the handle groove (401).

4. A plug screw (1) for protection of a cylinder port according to claim 2, characterized in that: a rubber ring (501) is arranged in the limiting groove (302).

5. The plug screw (1) for protection of a cylinder port according to claim 1, characterized in that: one side of the screw plug (1) is provided with a rubber suction layer (601).

6. The plug screw (1) for protection of a cylinder port according to claim 1, characterized in that: an adapting groove (701) is arranged at one time of the screw plug (1).

7. The plug screw (1) for oil port protection of an oil cylinder according to claim 6, wherein: one side of the adaptation groove (701) is provided with a rubber pad (801).