CN209762237U

CN209762237U - Graphite gasket with protection device

Info

Publication number: CN209762237U
Application number: CN201920425177.4U
Authority: CN
Inventors: 龚旭远
Original assignee: CIXI HIGH NEW (COXIN) SEALING MATERIAL Co Ltd
Current assignee: CIXI HIGH NEW (COXIN) SEALING MATERIAL Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2019-12-10
Anticipated expiration: 2029-03-29

Abstract

The utility model relates to a graphite gasket, which discloses a graphite gasket with a protection device, and solves the problems that the prior graphite ring protection measure is limited, the two side surfaces of the vertical axis of the graphite ring are impacted by the outside, and are easy to crack, break or scratch when being pressed, and the sealing effect of the graphite ring when in use is reduced, the graphite gasket comprises a gasket body, the gasket body comprises a graphite ring, an outer edge covering the outer edge of the graphite ring, and an inner edge covering the inner edge of the graphite ring, and also comprises a first rubber gasket plate and a second rubber gasket plate, the first rubber gasket plate and the second rubber gasket plate respectively cover and are attached to the two sides of the vertical axis of the gasket body, a connecting structure is also arranged between the first rubber gasket plate and the second rubber gasket plate, the connecting structure can detachably connect the first rubber gasket plate and the second rubber gasket plate, and reduce the possibility that the graphite ring is damaged when being impacted or collided by the outside in the transportation, the possibility of the graphite gasket and thus the sealing effect being reduced is reduced.

Description

Graphite gasket with protection device

Technical Field

The utility model relates to a graphite gasket, in particular to graphite gasket with protection device.

Background

The graphite gasket is an annular gasket made of graphite, the center of the annular gasket is provided with an opening, and the graphite gasket is a sealing element commonly used in pipeline connection. The existing graphite gasket comprises a graphite ring, wherein the graphite ring is directly obtained by pressurizing and shaping graphite fibers and/or graphite powder or obtained by blanking a plate subjected to pressurizing and shaping.

As shown in fig. 1, the graphite gasket has a large brittleness due to the limitation of raw materials, and is easy to crack when being impacted and sheared, so that the outer edge and the inner edge of the graphite ring 11 are wrapped with metal binding edges in the prior art. The metal wrapping edges are divided into outer metal wrapping edges wrapped on the outer edge of the graphite ring 11 and inner metal wrapping edges wrapped on the inner edge of the graphite ring 11, impact on the outer side of the graphite ring 11 is uniformly distributed on the outer side of the whole graphite ring 11 by the outer metal wrapping edges, and the inner metal wrapping edges support and abut against the inner side of the graphite ring 11, so that the possibility of fracture and cracking of the graphite ring 11 when impacted is reduced.

The defects are that when the graphite gasket is impacted or falls off in the actual transportation process, the two side faces of the graphite ring 11 vertical to the axis are not impacted directly, the effect of protecting the graphite ring 11 by the inner metal wrapping edge and the outer metal wrapping edge is limited, the two side faces of the graphite ring 11 vertical to the axis are impacted by the outside and are easy to crack, break or scratch when being pressed, the sealing effect of the graphite ring 11 in use is reduced, and therefore improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a graphite gasket with protection device reduces the impaired possibility of graphite ring when the graphite gasket transportation with get put in-process and receive external impact or conflict, reduces the graphite gasket consequently sealed effect reduction possibility.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

The utility model provides a graphite gasket with protection device, includes the gasket body, the gasket body includes graphite ring, parcel outside the edge of graphite ring, parcel graphite intra-annular along the interior limit, still includes first rubber backing plate and second rubber backing plate, first rubber backing plate and second rubber backing plate cover respectively and laminate in the both sides in the perpendicular axle center of gasket body, still establish connection structure between first rubber backing plate and the second rubber backing plate, connection structure can dismantle first rubber backing plate and second rubber backing plate and connect.

through adopting above-mentioned technical scheme, first rubber backing plate and second rubber backing plate cover the both sides that are fixed in the gasket body respectively, from this when the gasket body transportation in the side receive the striking, when the extrusion or get the side impact bottom surface that drops of in-process of putting, first rubber backing plate and second rubber backing plate play the cushioning effect, and then cushion the gasket body, reduce the graphite ring and transport and get when putting in-process and receive external impact or conflict at the graphite gasket, reduce the graphite ring fracture, the surface fracture, the possibility of fish tail, reduce the graphite gasket therefore the possibility that sealed effect reduces.

The utility model discloses further set up to: the outer edge of the first rubber base plate and the outer edge of the second rubber base plate are both located on the outer side of the outer edge of the gasket body.

Through adopting above-mentioned technical scheme, when the lateral surface of graphite gasket received the striking, the outer edge of first rubber backing plate and the outer edge of second rubber backing plate received the striking earlier than the gasket body outside, took place to warp, absorbed the impulse of striking, and then slowed down the impact that the gasket body received, reduced the gasket body and dropped and receive the possibility of damaging when striking.

The utility model discloses further set up to: the first rubber backing plate extends outward along second rubber backing plate one side and is provided with first arch, the second rubber backing plate extends outward along first rubber backing plate one side and is provided with the second arch, the protruding mutual butt of arch and the second rubber backing plate of first rubber backing plate.

Through adopting above-mentioned technical scheme, the protruding mutual butt of arch and the second rubber backing plate of first rubber backing plate, and then the cladding is bordured outward, prevents that outsourcing limit is direct to strike with external object, then further transports again and gets and put the in-process protection graphite gasket.

The utility model discloses further set up to: the connecting structure comprises a sucker, the sucker comprises a fixed end and an adsorption end, the fixed end is fixed on one side, facing the first rubber base plate, of the first rubber base plate, and the adsorption end is contained in an opening in the center of the graphite ring and is fixedly adsorbed with the second rubber base plate.

By adopting the technical scheme, the first rubber base plate and the second rubber base plate are fixed in a sucking disc adsorption fixing mode, the structure is simple, the dismounting is convenient, meanwhile, the sucking disc can be made of a material adhered to the first rubber base plate, the elasticity is realized, and compared with other detachable connection structures, the connection structure is prevented from reducing the buffering effect of the first rubber base plate and the second rubber base plate;

And after the sucker adsorbs the second rubber base plate, a closed adsorption cavity is formed between the sucker and the second rubber base plate, the adsorption cavity is deformable due to the fact that the sucker is made of a sucker material, and when the central region of the graphite gasket is impacted along the axial direction, the adsorption cavity deforms to play a role in buffering, so that the possibility of damage to the inner side of the graphite ring is further reduced.

The utility model discloses further set up to: the shape of the sucker is circular, and the maximum diameter of the sucker is the same as the inner diameter of the gasket body.

Through adopting above-mentioned technical scheme, the sucking disc area of setting is the biggest, can make the sucking disc have better adsorption efficiency.

The utility model discloses further set up to: one side of the second rubber base plate, which faces away from the gasket body, is provided with an inserting groove, and one side of the first rubber base plate, which faces away from the gasket body, is provided with an inserting protrusion for the inserting groove to sink into.

By adopting the technical scheme, compared with a smooth rubber base plate, the insertion groove and the insertion protrusion are arranged, so that the friction force when the graphite gasket is taken is increased, and the graphite gasket is convenient for a human hand to hold and bear force; in the process of centralized transportation, the splicing grooves and the splicing bulges on the two adjacent graphite gaskets can be clamped, so that the space is saved, the fixation between the two adjacent graphite gaskets is strengthened, and the transportation is stable.

The utility model discloses further set up to: the number of the inserting grooves is larger than two, and the inserting grooves are uniformly distributed around the axle center of the first rubber base plate.

By adopting the technical scheme, when the more than three inserting grooves are uniformly distributed around the axle center of the second rubber base plate, three highest vertexes of the inserting grooves form a plane, and when the second rubber base plate is impacted, the impact force is enhanced to be dispersed and buffered.

the utility model discloses further set up to: and a metal ring is coaxially embedded in the gasket body.

By adopting the technical scheme, compared with a pure graphite gasket, the pressure-bearing capacity and the impact resistance of the graphite ring are improved.

The utility model discloses further set up to: the radial section of the metal ring is wavy.

Through adopting above-mentioned technical scheme, when the graphite ring received axial direction's impact, the becket warp, and the better dispersion of wave received impact force plays better buffering effect, improves the bearing capacity and the shock resistance of graphite ring.

The metal ring is coaxially distributed in the gasket body, the metal ring is irregularly bulged from top to bottom towards the directions of the first rubber base plate and the second rubber base plate, the radial section of the metal ring is in a wave shape, the bulged metal ring disperses the impact force applied to the gasket body, the gasket body is supported, and the bearing capacity and the structural strength of the graphite gasket are further improved.

To sum up, the utility model discloses a beneficial technological effect does:

1. The first rubber base plate and the second rubber base plate are respectively covered and fixed on two sides of the gasket body, so that when the side faces of the gasket body are impacted, extruded or fall off to impact the bottom face in the picking and placing process in the transportation process, the first rubber base plate and the second rubber base plate play a role in buffering, the graphite ring is buffered, the possibility of breakage, surface fracture and scratching of the graphite ring is reduced, and the use of the graphite gasket is promoted;

2. The first rubber base plate and the second rubber base plate are fixed in a sucking disc adsorption fixing mode, the structure is simple, the dismounting is convenient, meanwhile, the sucking disc can be made of materials attached to the first rubber base plate, the sucking disc has elasticity, and compared with other detachable connecting structures, the buffering effect of the first rubber base plate and the buffering effect of the second rubber base plate are prevented from being reduced by the connecting structures;

3. The arrangement of the inserting grooves and the inserting bulges increases the friction force when the graphite gasket is taken, so that the graphite gasket is convenient for a human hand to hold and bear force; in the process of centralized transportation, the splicing grooves and the splicing bulges on the two adjacent graphite gaskets can be clamped, so that the space is saved, the fixation between the two adjacent graphite gaskets is strengthened, and the transportation is stable.

Drawings

FIG. 1 is a schematic structural view of a prior art improved graphite gasket;

FIG. 2 is an exploded view of a graphite gasket with a protective device;

FIG. 3 is a cross-sectional view of a graphite gasket with a protective device;

FIG. 4 is an enlarged partial view of FIG. 3 at A showing the metal ring structure;

Fig. 5 is a partial enlarged view of the suction cup structure shown in fig. 3 at B.

Reference numerals: 1. a gasket body; 11. a graphite ring; 111. opening a hole; 12. inner wrapping; 13. wrapping the edges; 14. a metal ring; 2. a first rubber pad; 21. inserting and connecting the bulges; 22. a first protrusion; 3. a second rubber pad; 31. inserting grooves; 32. a second protrusion; 4. a connecting structure; 41. a suction cup; 411. a fixed end; 412. an adsorption end; 413. an adsorption cavity.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 2, a graphite gasket with a protection device comprises a gasket body 1, a first rubber gasket 2 and a second rubber gasket 3.

The gasket body 1 comprises a graphite ring 11, an outer wrapping edge 13 and an inner wrapping edge 12. The graphite ring 11 is formed by pressing graphite fiber and/or graphite powder, and a coaxial opening 111 is formed in the center of the graphite ring. The thickness, inner diameter and outer diameter of the graphite ring 11 may be determined in practice. The outer wrapping edge 13 and the inner wrapping edge 12 are made of hard materials, such as metal, polytetrafluoroethylene and the like, the shape and the structure of the outer wrapping edge 13 and the inner wrapping edge 12 are the same as those of the prior art, the inner wrapping edge 12 wraps the inner edge of the graphite ring 11 and is attached to the inner edge, and the outer wrapping edge 13 wraps the outer edge of the graphite ring 11 and is attached to the outer edge.

As shown in fig. 3 and 4, the gasket body 1 further includes a metal ring 14 located in the graphite ring 11 and coaxially disposed with the graphite ring 11, and the metal ring 14 is pressed together with the graphite fiber and/or the graphite powder to be fixed in the graphite ring 11 in an embedded manner.

As shown in fig. 4, the shape of the metal ring 14 may be determined according to practical situations, where the shape of the metal ring 14 is preferably wave-shaped, and when the gasket body 1 is pressed axially, the metal ring 14 with wave-shaped radial section can be deformed to better disperse the pressure uniformly and improve the pressure resistance and the impact resistance along the axial direction of the gasket body 1.

as shown in fig. 3, the shapes of the first rubber pad 2 and the second rubber pad 3 can be determined according to actual conditions, the areas of the first rubber pad 2 and the second rubber pad 3 are larger than the side surface of the gasket body 1, and the first rubber pad 2 and the second rubber pad 3 are respectively attached to and cover two sides of the gasket body 1 perpendicular to the axis.

As shown in fig. 3, here the first rubber packing 2 and the second rubber packing 3 are circular plates having a diameter larger than the outer diameter of the gasket body 1.

As shown in fig. 3, one side of the first rubber cushion plate 2, which faces away from the gasket body 1, is provided with a plurality of inserting protrusions 21, the number of the inserting protrusions 21 can be determined according to actual conditions, the number of the inserting protrusions 21 is multiple, the inserting protrusions 21 are distributed in multiple layers from the axis of the first rubber cushion plate 2, and the inserting protrusions 21 on each layer are uniformly distributed around the axis of the first rubber cushion plate 2. The shape of the plug-in projection 21 can be determined as a matter of fact, here preferably an arc-shaped groove, the radial cross section of the plug-in projection 21 being arcuate.

One side of the second rubber cushion plate 3, which faces away from the cushion body 1, is provided with insertion grooves 31, the number of the insertion grooves 31 can be determined according to actual conditions, preferably, the number of the insertion grooves 31 is equal to the number of the insertion protrusions 21, the distribution positions of the insertion grooves 31 correspond to the distribution positions of the insertion protrusions 21, and the shapes of the insertion grooves 31 are matched with the shapes of the insertion protrusions 21, so that the insertion grooves 31 can be inserted into the insertion protrusions 21 in a matched manner.

the outer edge of the first rubber mat 2 facing the second rubber mat 3 is provided with first protrusions 22, the first protrusions 22 are evenly distributed around the axis of the first rubber mat 2, and the shape of the first protrusions 22 is determined according to practical situations, such as arc-shaped long-strip, cylindrical or prism-shaped protrusions, and here, the first protrusions are preferably convex rings coaxial with the first rubber mat 2.

The second rubber packing 3 is provided with second protrusions 32 on the outer edge of the side facing the second rubber packing 3, and the second protrusions 32 are uniformly distributed around the axis of the first rubber packing 2, and the shape of the second protrusions is determined according to practical situations, such as arc-shaped long-strip, cylindrical or prism-shaped protrusions, and here, the second protrusions are preferably convex rings coaxial with the second rubber packing 3.

the sum of the heights of the first protrusion 22 and the second protrusion 32 is equal to the thickness of the gasket body 1, and when the first rubber base plate 2 and the second rubber base plate 3 are respectively attached to two sides of the gasket body 1, the first protrusion 22 and the second protrusion 32 are abutted to each other and wrap the gasket body 1.

As shown in fig. 2, a detachable connecting structure 4 is also provided between the first rubber mat 2 and the second rubber mat 3, wherein the detachable connecting structure 4 is a suction cup 41. The suction cup 41 has a disk shape, made of an elastic material, and includes a fixed end 411 and a suction end 412.

The fixing end 411 is connected and fixed to the center of the first rubber mat 2 facing the second rubber mat 3, and the fixing manner can be determined according to the actual situation, where the suction cup 41 is integrally formed with the first rubber mat 2.

As shown in fig. 3, the suction end 412 faces the second rubber packing 3, and both the outer side and the inner side of the suction cup 41 are gradually enlarged from the fixing end 411 to the suction end 412. The side of the suction end 412 away from the first rubber mat 2 is the largest part of the suction cup 41, and the diameter of the suction end is equal to the inner diameter of the gasket body 1. The height of the sucking disc 41 is not less than the thickness of the gasket body 1, and the height of the sucking disc 41 is equal to the thickness of the gasket body 1, so that when the first rubber base plate 2 and the second rubber base plate 3 are attached to the two sides of the gasket body 1, the first rubber base plate 2 and the second rubber base plate 3 are pressed in opposite directions, the sucking disc 41 adsorbs the second rubber base plate 3, and the first rubber base plate 2 and the second rubber base plate 3 are fixed.

Meanwhile, after the suction disc 41 adsorbs the second rubber base plate 3, a closed adsorption cavity 413 is formed between the suction disc 41 and the second rubber base plate 3, the adsorption cavity 413 can deform due to the fact that the suction disc 41 is made of a material, when the central area of the graphite gasket is impacted along the axial direction, the adsorption cavity 413 deforms to play a role in buffering, and the possibility of inner side damage of the graphite ring 11 is reduced.

The working principle of the embodiment is as follows:

First rubber tie plate 2 and second rubber tie plate 3 cover the both sides that are fixed in gasket body 1 respectively, from this the side receives the striking in gasket body 1 transportation, the extrusion or get when putting the in-process side impact bottom surface that drops, first rubber tie plate 2 and second rubber tie plate 3 play the cushioning effect, and then cushion graphite ring 11, reduce graphite ring 11 and get when putting the in-process and receiving external impact or conflict at graphite gasket transportation, reduce graphite ring 11 fracture, the surface breaks, the possibility of fish tail, reduce the graphite gasket therefore the possibility that sealed effect reduces.

In the process of centralized transportation, the splicing grooves 31 and the splicing bulges 21 on the two adjacent graphite gaskets can be clamped, so that the space is saved, the fixation between the two adjacent graphite gaskets is strengthened, and the transportation is stable.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a graphite gasket with protection device, includes gasket body (1), gasket body (1) includes graphite ring (11), parcel outside the edge of graphite ring (11) bordure (13), parcel graphite ring (11) in along bordure (12), its characterized in that still includes first rubber backing plate (2) and second rubber backing plate (3), first rubber backing plate (2) and second rubber backing plate (3) cover respectively and laminate in the both sides of gasket body (1) perpendicular axle center, still establish connection structure (4) between first rubber backing plate (2) and second rubber backing plate (3), connection structure (4) can dismantle first rubber backing plate (2) and second rubber backing plate (3) and connect.

2. The graphite gasket with protection device as claimed in claim 1, wherein the outer edge of the first rubber gasket (2) and the outer edge of the second rubber gasket (3) are both located outside the outer edge of the gasket body (1).

3. The graphite gasket with the protection device as claimed in claim 2, wherein the outer edge of the first rubber gasket (2) extends towards the side of the second rubber gasket (3) to form a first protrusion (22), the outer edge of the second rubber gasket (3) extends towards the side of the first rubber gasket (2) to form a second protrusion (32), and the first protrusion (22) and the second protrusion (32) are abutted in opposite directions.

4. The graphite gasket with the protection device as claimed in claim 1, wherein the connecting structure (4) comprises a suction cup (41), the suction cup (41) comprises a fixing end (411) and a suction end (412), the fixing end (411) is fixed on one side of the first rubber gasket (2) facing the first rubber gasket (2), and the suction end (412) is accommodated in the opening (111) in the center of the graphite ring (11) and is fixedly sucked with the second rubber gasket (3).

5. The graphite gasket with protector as claimed in claim 4, characterized in that the suction cup (41) is shaped as a circle, the maximum diameter of the suction cup (41) being the same size as the inner diameter of the gasket body (1).

6. The graphite gasket with the protection device as claimed in claim 1, wherein the side of the second rubber gasket (3) facing away from the gasket body (1) is provided with an insertion groove (31), and the side of the first rubber gasket (2) facing away from the gasket body (1) is provided with an insertion protrusion (21) for the insertion groove (31) to sink into.

7. the graphite gasket with the protection device as claimed in claim 6, wherein the number of the insertion grooves (31) is more than two, and the insertion grooves (31) are uniformly distributed around the axial center of the second rubber gasket (3).

8. The graphite gasket with protector as claimed in claim 1, characterized by the fact that the gasket body (1) has coaxially embedded inside it a metal ring (14).

9. A graphite gasket with protector as claimed in claim 8, characterized in that the metal ring (14) is of wave-like radial cross-section.