CN217234381U

CN217234381U - Polyethylene sealing gasket

Info

Publication number: CN217234381U
Application number: CN202221081302.2U
Authority: CN
Inventors: 刘斌
Original assignee: Dalian Xincheng Refrigeration Equipment Co ltd
Current assignee: Dalian Xincheng Refrigeration Equipment Co ltd
Priority date: 2022-05-08
Filing date: 2022-05-08
Publication date: 2022-08-19
Anticipated expiration: 2032-05-08

Abstract

The utility model discloses a polyethylene sealing gasket, which comprises a gasket body, a lower limiting rod, a pressing seat and a reinforcing metal sheet, wherein an upper rubber cushion layer is fixedly bonded at the top of a polyethylene substrate, a lower rubber cushion layer is fixedly bonded at the bottom of the polyethylene substrate, and the reinforcing metal sheet is fixedly mounted in a side groove; the utility model discloses the gasket body is formed through setting up the rubber gasket layer in the top and the bottom of conventional polyethylene gasket, rubber gasket layer reinforcing gasket outlying wear-resisting and barrier propterty, reinforcing gasket's life, and the side inslot portion of gasket avris is provided with the enhancement sheetmetal, can strengthen the avris support dynamics of gasket, prevent that the too big avris that causes of gasket atress from collapsing, and then influence gasket sealing performance's problem, it extrudees the rubber gasket together with pressing the seat through the depression bar at top to strengthen the sheetmetal simultaneously, make this gasket wholeness good, long-time the use down, the sheetmetal can not take place the skew.

Description

Polyethylene sealing gasket

Technical Field

The utility model relates to a seal gasket, in particular to polyethylene seal gasket belongs to valve seal technical field.

Background

The sealing gasket is a sealing spare part used in places with fluid, such as machinery, equipment and pipelines, uses the inner part and the outer part to play a sealing role, is made of metal or nonmetal plate-shaped materials through processes of cutting, stamping, cutting and the like, is used for sealing connection between pipelines, and is used for sealing connection between machine parts and machine parts of machinery equipment. With the rise of modern industries, particularly modern petroleum, chemical industry, atomic energy industry and large-scale power stations, pressure vessels develop towards high temperature, high pressure, high vacuum, deep cooling, large scale and multiple series, new requirements are continuously provided for gasket sealing, various novel materials and novel structures continuously appear, and the sealing performance is also different. In addition, the fluctuation of pressure, the change of temperature, the lax of bolt pretightning force, the slope of flange, dislocation, the defect of sealed face, the corrosion of medium all can produce very big influence to sealed effect. Therefore, how to correctly select a proper sealing gasket according to working conditions and how to correctly install is the key point for ensuring the sealing effect.

The whole structure of the existing polyethylene gasket is integrally formed by adopting a polyethylene material, and when the sealing protection is carried out, when the force between equipment is too large, the side of the polyethylene gasket can collapse, so that the sealing performance of the polyethylene gasket is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polyethylene seal gasket to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a polyethylene seal gasket, includes gasket body, polyethylene substrate, goes up rubber bed course, lower rubber bed course, spacing hole, spacing indent, lower spacing pole, pressure seat and enhancement sheetmetal down, the gasket body comprises polyethylene substrate, last rubber bed course and lower rubber bed course, the top of polyethylene substrate is fixed to bond has last rubber bed course, the bottom of polyethylene substrate is fixed to bond has lower rubber bed course, the side channel has been seted up to the avris of polyethylene substrate, the inside fixed mounting of side channel has the enhancement sheetmetal.

As a preferred technical scheme of the utility model, spacing hole has been seted up down to the bottom in the side channel, strengthen the spacing pole under the bottom fixedly connected with of sheetmetal, just spacing downthehole portion is arranged in down to the spacing pole.

As a preferred technical scheme of the utility model, strengthen the top of sheetmetal and seted up smooth chamber, the inside slidable mounting in smooth chamber has spring depression bar, spring depression bar's outside fixed cover is equipped with pressure spring.

As a preferred technical scheme of the utility model, the top fixedly connected with of depression bar presses the seat, go up the top of rubber cushion layer and seted up spacing indent, just press the seat to arrange spacing indent inside in.

As an optimized technical scheme of the utility model, the guide way has been seted up to the avris of gasket body, just the guide way communicates with each other with spacing indent.

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

the utility model relates to a polyethylene seal gasket, the gasket body is formed through setting up the rubber gasket layer in the top and the bottom of conventional polyethylene gasket, rubber gasket layer reinforcing gasket outlying wear-resisting and barrier propterty, the life of reinforcing gasket, and the side inslot portion of gasket avris is provided with the enhancement sheetmetal, can strengthen the avris support dynamics of gasket, prevent that the too big avris that causes of gasket atress from collapsing, and then influence gasket sealing performance's problem, strengthen the sheetmetal simultaneously and extrude the rubber gasket through the depression bar at top and press the seat fixed together, make this gasket wholeness good, long-time the use down, the sheetmetal can not take place the skew.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the side groove of the present invention;

fig. 3 is a schematic structural view of the reinforced metal sheet of the present invention.

In the figure: 1. a gasket body; 2. a polyethylene substrate; 3. an upper rubber cushion layer; 4. a lower rubber cushion layer; 5. a side groove; 6. a lower limiting hole; 7. limiting and pressing the groove; 8. a guide groove; 9. a lower limit lever; 10. a spring compression bar; 11. pressing a base; 12. the metal sheet is reinforced.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution of a polyethylene sealing gasket: the utility model provides a polyethylene seal gasket, including gasket body 1, the polyethylene substrate 2, go up rubber bed course 3, lower rubber bed course 4, spacing hole 6 down, spacing indent 7, spacing pole 9 down, press seat 11 and strengthen sheetmetal 12, gasket body 1 is by the polyethylene substrate 2, go up rubber bed course 3 and lower rubber bed course 4 and constitute, the top of polyethylene substrate 2 is fixed to be bonded has last rubber bed course 3, the bottom of polyethylene substrate 2 is fixed to be bonded has lower rubber bed course 4, side channel 5 has been seted up to the avris of polyethylene substrate 2, the inside fixed mounting of side channel 5 has the enhancement sheetmetal 12.

Lower spacing hole 6 has been seted up to the bottom in the side channel 5, strengthens the bottom fixedly connected with of sheetmetal 12 and descends gag lever post 9, and inside gag lever post 9 was arranged in lower spacing hole 6 down, carries on spacing fixedly to the bottom of sheetmetal down gag lever post 9.

Strengthen the top of sheetmetal 12 and seted up smooth chamber, the inside slidable mounting in smooth chamber has spring depression bar 10, and the fixed cover in outside of spring depression bar 10 is equipped with pressure spring, and the top fixedly connected with of depression bar 10 presses seat 11, goes up the top of rubber cushion layer 3 and has seted up spacing indent 7, and presses seat 11 to arrange in inside spacing indent 7.

According to the drawings of fig. 1 and fig. 2, specifically, the side of the gasket body 1 is provided with a guide groove 8, the guide groove 8 is communicated with a limiting pressure groove 7, when a pressure seat 11 is fixed in the side groove 5, the pressure seat 11 enters the limiting pressure groove 7 through the guide groove 8, and then the pressure seat 11 is pressed in the limiting pressure groove 7 under the tension of a compression spring.

When specifically using, the utility model relates to a polyethylene seal gasket, gasket body 1 is formed through setting up the rubber gasket layer in the top and the bottom of conventional polyethylene gasket, rubber gasket layer reinforcing gasket outlying wear-resisting and barrier propterty, thereby strengthen the life of gasket, and the 5 inside enhancement sheetmetals 12 that are provided with in side groove of gasket avris, can strengthen the avris support dynamics of gasket, prevent that the too big avris that causes of gasket atress from caving in, and then influence gasket sealing performance's problem, strengthen sheetmetal 12 simultaneously and press seat 11 to fix the rubber gasket extrusion together through the depression bar at top, make this gasket wholeness good, under the long-time use, the sheetmetal can not take place the skew.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a polyethylene seal gasket, includes gasket body (1), polyethylene substrate (2), goes up rubber bed course (3), lower rubber bed course (4), spacing hole (6) down, spacing indent (7), spacing pole (9) down, pressure seat (11) and enhancement sheetmetal (12), its characterized in that, gasket body (1) comprises polyethylene substrate (2), last rubber bed course (3) and lower rubber bed course (4), the top of polyethylene substrate (2) is fixed to be bonded has last rubber bed course (3), the bottom of polyethylene substrate (2) is fixed to be bonded has lower rubber bed course (4), side channel (5) have been seted up to the avris of polyethylene substrate (2), the inside fixed mounting of side channel (5) has enhancement sheetmetal (12).

2. A polyethylene gasket seal according to claim 1, wherein: lower limiting holes (6) are formed in the bottoms of the side grooves (5), lower limiting rods (9) are fixedly connected to the bottom ends of the reinforcing metal sheets (12), and the lower limiting rods (9) are arranged in the lower limiting holes (6).

3. A polyethylene gasket seal according to claim 1, wherein: the top end of the reinforcing metal sheet (12) is provided with a sliding cavity, a spring pressing rod (10) is slidably mounted inside the sliding cavity, and a pressing spring is fixedly sleeved outside the spring pressing rod (10).

4. A polyethylene gasket seal according to claim 3, wherein: the top end of the pressing rod (10) is fixedly connected with a pressing seat (11), the top end of the upper rubber cushion layer (3) is provided with a limiting pressing groove (7), and the pressing seat (11) is arranged inside the limiting pressing groove (7).

5. A polyethylene gasket seal according to claim 4, wherein: a guide groove (8) is formed in the side of the gasket body (1), and the guide groove (8) is communicated with the limiting pressure groove (7).