CN218995086U

CN218995086U - Low-temperature expansion sealing rubber plug

Info

Publication number: CN218995086U
Application number: CN202223403283.3U
Authority: CN
Inventors: 邓桢翔
Original assignee: Xiamen Tianhe Precision Sealing Technology Co ltd
Current assignee: Xiamen Tianhe Precision Sealing Technology Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-05-09
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses a low-temperature expansion sealing rubber plug which comprises a rubber plug body and a sealing plug, wherein the rubber plug body is in an inverted truncated cone shape, the middle of the rubber plug body is penetrated by a central pore canal, two water injection exhaust holes are formed in the upper bottom surface of the rubber plug body, a truncated cone steel plate, a water storage chamber and a nickel plating steel wire mesh are arranged in the rubber plug body, the water storage chamber is in a truncated cone shape, the inner side surface of the water storage chamber is overlapped with the truncated cone steel plate and is communicated with the water injection exhaust holes, and the nickel plating steel wire mesh is in a truncated cone shape and is woven by nickel plating steel wires and is arranged outside the water storage chamber. The utility model has the beneficial effects that: the sealing device has the advantages of good sealing effect, convenient use and capability of better solving the problem of sealing inaccuracy caused by rubber shrinkage when the temperature is reduced.

Description

Low-temperature expansion sealing rubber plug

Technical Field

The utility model relates to a low-temperature expansion sealing rubber plug, and belongs to the technical field of sealing devices.

Background

There are many devices for sealing pipes, and a rubber sealing plug is an important one, such as an environmental test chamber test hole sealing plug (application number: CN 202123196806.7), which includes a sealing plug body plugged into a test hole and provided with a test slot, a side sealing block installed on a side surface of the sealing plug body and used for sealing the test slot, and a middle sealing block installed in the sealing plug and providing sufficient compressibility. The application has that when having test components and parts such as a certain amount of cables, sensor to pass environmental test case test hole, sealing plug sealed effectual, convenient to use's effect. For another example, a multifunctional silicone rubber sealing plug (application number: CN 202123196806.7) comprises a plug main body, wherein a plurality of avoidance parts extend from the plug main body, a wire hole structure is formed between the plug main body and the plurality of avoidance parts, the plurality of avoidance parts are of a vertically symmetrical double-layer structure, the inner walls of the avoidance parts are arc-shaped, and the thickness of the avoidance parts is increased along the direction from inside to outside. The utility model is applied to the technical field of sealing plugs. Although the sealing plugs have various advantages, the sealing plugs have the defect that the influence of the environment on the sealing effect is not considered, the problem that the sealing effect is not tight due to shrinkage due to expansion due to heat is known, and when the temperature is reduced, the sealing effect is not tight due to shrinkage of the rubber.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a low-temperature expansion sealing rubber plug, which has good sealing effect, is convenient to use, and can better solve the problem of sealing inaccuracy caused by rubber shrinkage when the temperature is reduced.

The utility model is realized by the following scheme: the utility model provides a low temperature inflation sealing rubber stopper, its includes the rubber stopper body, seals the stopper, the rubber stopper body is the truncated cone shape of inversion, and middle by central pore runs through, and its upper bottom surface is equipped with two water injection exhaust holes, and its inside is equipped with truncated cone steel sheet, water storage room, nickel plating wire net, the water storage room is the truncated cone shape, and its medial surface coincides with the truncated cone steel sheet, and it communicates with the water injection exhaust hole, nickel plating wire net is the truncated cone shape, and it is woven by nickel plating steel wire, and it is in the water storage room outside.

The sealing plug comprises a handle column, a positioning block, a sealing block, an adhesive layer and a tin-coated paper layer, wherein the positioning block is in a round cake shape, the handle column is installed on the upper bottom surface of the positioning block, the sealing block is fixed on the lower bottom surface of the positioning block, and the handle column is in a strip shape.

The central duct is cylindrical.

The sealing block is in an inverted truncated cone shape, and the outer side surface of the sealing block is provided with an adhesive layer which is wrapped by a tin-coated paper layer.

The water injection vent hole comprises a water inlet, a sealing port and a positioning port.

The water inlet is cylindrical, and the sealing port is communicated with the water storage chamber.

The sealing port is in an inverted truncated cone shape, and the size of the sealing port is the same as that of the sealing block.

The positioning opening is in a shape of a round cake, and the size of the positioning opening is the same as that of the positioning block.

The beneficial effects of the utility model are as follows:

1. the low-temperature expansion sealing rubber plug has the advantages that the conical section shape design is adopted, the sealing effect is good, the use is convenient, clear water is filled in the water storage chamber during use, the principle of thermal shrinkage and cold expansion of water can be utilized, and the volume of the rubber plug shrinking is effectively counteracted during temperature reduction, so that the problem of poor sealing caused by rubber shrinking is solved well.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of a low-temperature expansion sealing rubber plug according to the present utility model.

FIG. 2 is a schematic top sectional view of a low temperature expansion sealing rubber plug according to the present utility model.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 1.

Fig. 4 is a schematic view showing a partial sectional structure of a nickel plated steel wire mesh of a low temperature expansion sealing rubber plug of the present utility model.

In the figure: 1 is a rubber plug body, 2 is a sealing plug, 3 is a central pore canal, 4 is a truncated conical steel plate, 5 is a water storage chamber, 6 is a nickel plating steel wire net, 7 is a water injection vent hole, 8 is a water inlet, 9 is a sealing port, 10 is a positioning port, 11 is a handle column, 12 is a positioning block, 13 is a sealing block, 14 is an adhesive layer, 15 is a tin-based paper layer, and 16 is a nickel plating steel wire.

Detailed Description

The present utility model is further described with reference to fig. 1, 2, 3, and 4, but the scope of the present utility model is not limited to the above description.

Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, the words "inner" and "outer" refer to directions toward or away from a geometric center of a particular component, respectively, and the drawings are in a very simplified form and all use non-precise ratios for convenience and clarity only to aid in explaining embodiments of the present utility model.

The utility model provides a low temperature inflation sealing rubber stopper, it includes rubber stopper body 1, sealing stopper 2, rubber stopper body 1 is the truncated cone shape of inversion, middle by central pore 3 runs through, its upper bottom surface is equipped with two water injection exhaust holes 7, its inside is equipped with truncated cone steel sheet 4, water storage room 5, nickel plating wire net 6, water storage room 5 is the truncated cone shape, its medial surface and the coincidence of truncated cone steel sheet 4, it communicates with water injection exhaust hole 7, nickel plating wire net 6 is the truncated cone shape, it is woven by nickel plating steel wire 16, it is in the water storage room 5 outside.

The sealing plug 2 comprises a handle column 11, a positioning block 12, a sealing block 13, an adhesive layer 14 and a tin paper layer 15, wherein the positioning block 12 is in a round cake shape, the handle column 11 is arranged on the upper bottom surface of the positioning block, the sealing block 13 is fixed on the lower bottom surface of the positioning block, and the handle column 11 is in a strip shape.

The central duct 3 is cylindrical.

The sealing block 13 is in the shape of an inverted truncated cone, and is provided with an adhesive layer 14 on its outer side, which is wrapped by a layer of tin-coated paper 15.

The water injection vent 7 comprises a water inlet 8, a sealing port 9 and a positioning port 10.

The water inlet 8 is cylindrical and communicates the sealing port 9 with the water storage chamber 5.

The sealing mouth 9 is in the shape of an inverted truncated cone, the dimensions of which are the same as the sealing block 13.

The positioning opening 10 is in a shape of a cake, and the size of the positioning opening is the same as that of the positioning block 12.

During the use, pour into the clear water into in the water storage room 5 through a water injection exhaust hole 7, the air in the water storage room 5 is discharged from another water injection exhaust hole 7, after filling up, take out and seal the stopper 2, tear off the tin-paper layer 15 on the sealing block 13, press into sealing port 9 with sealing block 13, locating piece 12 is pressed into in the locating hole 10, at this moment, seal the stopper 2 and firmly fix in water injection exhaust hole 7, pack into the position that needs to seal with rubber stopper body 1 again, accomplish the installation promptly, when falling to zero degree annex by normal atmospheric temperature, rubber stopper body 1 will shrink, and the water in the water storage room 5 then can expand, and then effectively offset the volume of shrinkage, and then better solution rubber shrinkage brings sealed not tight problem.

Claims

1. A low-temperature expansion sealing rubber plug is characterized in that: the novel water storage device comprises a rubber plug body (1) and a sealing plug (2), wherein the rubber plug body (1) is in an inverted truncated cone shape, the middle of the rubber plug body is penetrated by a central pore canal (3), two water injection exhaust holes (7) are formed in the upper bottom surface of the rubber plug body, a truncated cone steel plate (4), a water storage chamber (5) and a nickel plating steel wire mesh (6) are arranged in the rubber plug body, the water storage chamber (5) is in the truncated cone shape, the inner side surface of the water storage chamber is overlapped with the truncated cone steel plate (4) and is communicated with the water injection exhaust holes (7), and the nickel plating steel wire mesh (6) is in the truncated cone shape and is woven by nickel plating steel wires (16) and is positioned outside the water storage chamber (5).

2. The low-temperature expansion sealing rubber stopper according to claim 1, wherein: the sealing plug (2) comprises a handle column (11), a positioning block (12), a sealing block (13), an adhesive layer (14) and a tin-coated paper layer (15), wherein the positioning block (12) is in a round cake shape, the handle column (11) is installed on the upper bottom surface of the positioning block, the sealing block (13) is fixed on the lower bottom surface of the positioning block, and the handle column (11) is in a strip shape.

3. The low-temperature expansion sealing rubber stopper according to claim 1, wherein: the central pore canal (3) is cylindrical.

4. The low-temperature expansion sealing rubber stopper according to claim 2, wherein: the sealing block (13) is in an inverted truncated cone shape, and the outer side surface of the sealing block is provided with an adhesive layer (14) which is wrapped by a tin-coated paper layer (15).

5. The low-temperature expansion sealing rubber stopper according to claim 1, wherein: the water injection exhaust hole (7) comprises a water inlet (8), a sealing port (9) and a positioning port (10).

6. The low-temperature expansion sealing rubber plug according to claim 5, wherein: the water inlet (8) is cylindrical, and the sealing port (9) is communicated with the water storage chamber (5).

7. The low-temperature expansion sealing rubber plug according to claim 5, wherein: the sealing opening (9) is in an inverted truncated cone shape, and the size of the sealing opening is the same as that of the sealing block (13).

8. The low-temperature expansion sealing rubber plug according to claim 5, wherein: the positioning opening (10) is in a round cake shape, and the size of the positioning opening is the same as that of the positioning block (12).