CN210686986U - Elastomeric seal assembly and gasket therefor - Google Patents
Elastomeric seal assembly and gasket therefor Download PDFInfo
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- CN210686986U CN210686986U CN201921344823.0U CN201921344823U CN210686986U CN 210686986 U CN210686986 U CN 210686986U CN 201921344823 U CN201921344823 U CN 201921344823U CN 210686986 U CN210686986 U CN 210686986U
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Abstract
The utility model discloses an elastic sealing assembly, including the sealing washer, be equipped with the mounting hole in the sealing washer, two drill way of mounting hole are located the two planes of sealing washer respectively, be equipped with first elastic block in the mounting hole, the lateral wall fixed connection of first elastic block and mounting hole, fixedly connected with second elastic block on the first elastic block, first elastic block has the arc flexure strip, the convex surface fixed connection of first elastic block and arc flexure strip, the arc flexure strip is located the mounting hole, fixedly connected with plane flexure strip in the arc flexure strip, plane flexure strip is parallel with the plane of sealing washer, the side that the arc flexure strip is close the second elastic block with the plane flexure strip forms sealed cavity, the side that the second flexure strip was kept away from to arc flexure strip and plane flexure strip forms the open slot. The plane elastic sheet evenly stressed exhausts air in the open slot, and the edge of the arc elastic sheet is tightly attached to the surface of an element below the sealing ring to form a sealing space.
Description
Technical Field
The utility model belongs to the technical field of seal part technique and specifically relates to an elasticity seal assembly and liner thereof is related to.
Background
The sealing assembly is a material or a part for preventing fluid or solid particles from leaking from between adjacent joint surfaces and preventing foreign substances such as dust and moisture from intruding into parts inside the machine equipment. The existing sealing assembly generally relies on the elastic deformation of the sealing assembly to fill the gap to be sealed so as to realize the sealing. In order to achieve a reliable seal, a high compressive force must be applied to the seal assembly in order to increase the contact pressure between the surfaces of the seal assembly and the element to be sealed. This type of sealing requires that the seal assembly apply a uniform pressure to the surface of the component to be sealed, and that any lack of pressure or wrinkling due to excessive deformation create a leak path. In actual production, the sealing assembly applies uneven pressure to the surface of the element to be sealed, and the sealing effect of the sealing assembly is not ideal.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an elasticity seal assembly and liner thereof aims at solving among the background art seal assembly and leads to the not good problem of sealed effect because of seal assembly is inhomogeneous to the pressure that needs the sealing element surface to apply.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the elastic sealing assembly comprises a sealing ring, a mounting hole is arranged in the sealing ring, two orifices of the mounting hole are respectively positioned on two planes of the sealing ring, a first elastic block is arranged in the mounting hole and fixedly connected with the side wall of the mounting hole, a second elastic block is fixedly connected on the first elastic block, the elastic coefficient of the first elastic block is smaller than that of the second elastic block, an arc elastic sheet is arranged below the first elastic block and fixedly connected with the convex surface of the arc elastic sheet, the arc elastic sheet is positioned in the mounting hole, the plane formed by the edge of the arc elastic sheet is flush with the plane of the sealing ring far away from the second elastic block so that the arc elastic sheet is tightly attached to an element positioned below the sealing ring, a plane elastic sheet is fixedly connected in the arc elastic sheet and is parallel to the plane of the sealing ring, the side face of the arc-shaped elastic piece and the side face of the plane elastic piece, which are close to the second elastic block, form a sealed cavity, and the side faces of the arc-shaped elastic piece and the plane elastic piece, which are far away from the second elastic block, form an open slot.
The elements positioned on the upper side and the lower side of the sealing ring vertically extrude the sealing ring, the elements positioned on the upper side of the sealing ring apply downward force to the second elastic block, and the elastic coefficient of the first elastic block is smaller than that of the second elastic block, so that the elastic deformation volume of the first elastic block is larger than that of the second elastic block, and the second elastic block sinks into the first elastic block. The first elastic block shape changes to cause the arc-shaped elastic sheet to deform, air in the open slot is removed, the edge of the arc-shaped elastic sheet is tightly attached to the surface of the element below the sealing ring to form a sealing space, and therefore the sealing ring is tightly connected with the element below the sealing ring in an adsorption manner, and the sealing effect is good. The first elastic block causes the arc elastic sheet to deform, the shape of a sealed cavity formed by the side surfaces of the arc elastic sheet and the plane elastic sheet close to the second elastic block deforms, and due to the air flow characteristic, all parts of the plane elastic sheet are stressed uniformly. The plane elastic sheet evenly stressed exhausts air in the open slot so that the edge of the arc elastic sheet is tightly attached to the surface of an element below the sealing ring to form a sealing space.
As a further improvement of the device of the present invention, the second elastic block is a hemisphere, and the plane of the second elastic block is fixedly connected to the first elastic block. The elements above and below the sealing ring vertically extrude the sealing ring, the elements above the sealing ring apply downward force to the second elastic block, the elements above the sealing ring are in point contact with the second elastic block, the deformation volume of the second elastic block is the largest under the condition of certain pressure, and the volume of the second elastic block pressed into the mounting hole is the largest.
As a further improvement of the device of the utility model, the second elastic block is a cuboid. The elements above and below the sealing ring extrude the sealing ring up and down, the elements above the sealing ring apply downward force to the second elastic block, the elements above the sealing ring are in surface contact with the second elastic block, and the force applied by the second elastic block to each part of the first elastic block is uniform.
As the utility model discloses the further improvement of device, be equipped with the deformation space that is used for holding the deformation volume that the sealing washer increased in the diameter direction after the sealing washer was extruded from top to bottom on the sealing washer, the deformation space has two, two the deformation space is located the outer arc side of sealing washer respectively and the crossing position in side that the sealing washer is close arc elastic sheet and the interior arc side of sealing washer and the crossing position in side that the sealing washer is close arc elastic sheet. The sealing ring is extruded up and down by the elements positioned on the upper part and the lower part of the sealing ring, air in the open slot is exhausted, and the arc-shaped elastic piece pushes the sealing ring around the arc-shaped elastic piece to deform towards the diameter direction of the sealing ring. The deformation space is filled by the volume increased by the deformation. The setting in above-mentioned deformation space can avoid the outer arc face of the volume protrusion sealing washer of above-mentioned deformation increase.
The gasket is in a circular ring shape and is in a sheet shape, the gasket is arranged below the sealing ring, the plane of the gasket, which is far away from the sealing ring, is an adhesive surface for adhering elements, and the ring width of the gasket is larger than the diameter of the plane formed by the edges of the arc-shaped elastic sheets. The sealing ring is connected with the gasket in an adsorption mode, the gasket is connected with the element in a sticking mode, and finally the elastic sealing assembly and the gasket and the element are sealed.
As the utility model discloses the further improvement of device, it is used for protruding with the sealing washer interference fit's that is extruded the back deformation from top to bottom annular that the liner is close to being equipped with on the plane of sealing washer, the bellied interior circle diameter of annular is greater than the excircle diameter of the ring side of second elastic block is kept away from to the sealing washer. The sealing ring is extruded up and down by the elements positioned on the upper side and the lower side of the sealing ring, air in the open slot is removed, the arc-shaped elastic sheet pushes the sealing ring around the arc-shaped elastic sheet to deform towards the diameter direction of the sealing ring, and the annular bulge is in interference fit with the sealing ring, so that the sealing property between the sealing ring and the gasket is improved.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the first elastic block causes the arc elastic sheet to deform, the shape of a sealed cavity formed by the side surfaces of the arc elastic sheet and the plane elastic sheet close to the second elastic block deforms, and due to the air flow characteristic, all parts of the plane elastic sheet are stressed uniformly. The plane elastic sheet uniformly stressed exhausts air in the open slot uniformly so that the edge of the arc elastic sheet is tightly attached to the surface of an element below the sealing ring to form a sealing space;
2. the first elastic block is deformed to deform the arc-shaped elastic sheet, air in the open slot is exhausted, and the edge of the arc-shaped elastic sheet is tightly attached to the surface of the element below the sealing ring to form a sealing space, so that the sealing ring is tightly connected with the element below the sealing ring in an adsorption manner, and the sealing effect is good;
3. the sealing ring is connected with the liner in an adsorption mode, the liner is connected with the element in an adhesion mode, and finally the elastic sealing assembly and the seal of the liner and the element are achieved.
Drawings
FIG. 1 is a cross-sectional view of the device of the present invention;
fig. 2 is an enlarged view of a portion a of fig. 1.
The reference numerals are explained below: 1. a seal ring; 11. a second elastic block; 12. a first elastic block; 13. an arc-shaped elastic sheet; 14. a planar elastic sheet; 15. sealing the cavity; 16. an open slot; 17. a deformation space; 2. a liner; 21. an annular protrusion.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front," "back," "left," "right," "upper," and "lower" refer to directions in the drawings, and the terms "bottom" and "top," "inner," and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example 1:
as shown in fig. 1 and 2, the elastic sealing assembly includes a sealing ring 1, a mounting hole is provided in the sealing ring 1, two orifices of the mounting hole are respectively located on two planes of the sealing ring 1, a first elastic block 12 is provided in the mounting hole, the first elastic block 12 is fixedly connected with a side wall of the mounting hole, a second elastic block 11 is fixedly connected with the first elastic block 12, an elastic coefficient of the first elastic block 12 is smaller than that of the second elastic block 11, an arc-shaped elastic sheet 13 is provided below the first elastic block 12, the first elastic block 12 is fixedly connected with a convex surface of the arc-shaped elastic sheet 13, the arc-shaped elastic sheet 13 is located in the mounting hole, and a plane formed by an edge of the arc-shaped elastic sheet 13 is flush with a plane of the sealing ring 1 far from the second elastic block 11 so as to enable the arc-shaped elastic sheet 13 to be closely attached to an element located below the sealing ring 1, a plane elastic sheet 14 is fixedly connected in the arc-shaped, the side surfaces of the arc-shaped elastic piece 13 and the plane elastic piece 14 close to the second elastic block 11 form a sealed cavity 15, and the side surfaces of the arc-shaped elastic piece 13 and the plane elastic piece 14 far away from the second elastic block 11 form an open slot 16.
As shown in fig. 1 and 2, the elements above and below the seal ring 1 vertically press the seal ring 1, and the elements above the seal ring 1 apply a downward force to the second elastic block 11, so that the elastic coefficient of the first elastic block 12 is smaller than that of the second elastic block 11, the elastic deformation volume of the first elastic block 12 is larger than that of the second elastic block 11, and the second elastic block 11 sinks into the first elastic block 12. The deformation of first elastic block 12 causes the deformation of arc elastic piece 13, and the air in open slot 16 is got rid of and the edge of arc elastic piece 13 closely laminates with the component surface that is located sealing washer 1 below and forms sealed space, therefore sealing washer 1 adsorbs zonulae occludens with the component that is located sealing washer 1 below, and is sealed effectual. The first elastic block 12 causes the arc-shaped elastic piece 13 to deform, the shape of the sealed cavity 15 formed by the side surfaces of the arc-shaped elastic piece 13 and the plane elastic piece 14 close to the second elastic block 11 deforms, and due to the air flow characteristic, all parts of the plane elastic piece 14 are stressed uniformly. The uniformly stressed plane elastic sheet 14 uniformly exhausts air in the opening groove 16 so that the edge of the arc elastic sheet 13 is tightly attached to the surface of an element below the sealing ring 1 to form a sealing space.
As shown in fig. 1 and 2, the second elastic block 11 is a hemisphere, and the plane of the second elastic block 11 is fixedly connected with the first elastic block 12. The elements above and below the sealing ring 1 extrude the sealing ring 1 up and down, the elements above the sealing ring 1 apply downward force to the second elastic block 11, the elements above the sealing ring 1 are in point contact with the second elastic block 11, under the condition of a certain pressure, the deformation volume of the second elastic block 11 is the largest, and the volume of the second elastic block 11 pressed into the mounting hole is the largest.
As shown in fig. 1 and 2, the sealing ring 1 is provided with two deformation spaces 17 for accommodating the deformation volume of the sealing ring 1 increased in the diameter direction after the sealing ring 1 is pressed up and down, and the two deformation spaces 17 are respectively located at the position where the outer arc-shaped side surface of the sealing ring 1 intersects with the side surface of the sealing ring 1 close to the arc-shaped elastic sheet 13 and the position where the inner arc-shaped side surface of the sealing ring 1 intersects with the side surface of the sealing ring 1 close to the arc-shaped elastic sheet 13. The elements positioned above and below the sealing ring 1 extrude the sealing ring 1 up and down, air in the open groove 16 is exhausted, and the arc-shaped elastic sheet 13 pushes the sealing ring 1 around the arc-shaped elastic sheet 13 to deform towards the diameter direction of the sealing ring 1. The deformation space 17 is filled by the above-mentioned increased volume of deformation. The deformation space 17 is provided to prevent the deformation from increasing and the volume of the deformation from protruding out of the outer arc surface of the seal ring 1.
As shown in fig. 1 and 2, the gasket 2 is in a circular ring shape and thin sheet shape, the gasket 2 is arranged below the sealing ring 1, the plane of the gasket 2 away from the sealing ring 1 is an adhesive surface for adhering elements, and the ring width of the gasket 2 is larger than the diameter of the plane formed by the edges of the arc-shaped elastic sheets 13. The sealing ring 1 is connected with the gasket 2 in an adsorption mode, the gasket 2 is connected with an element in an adhesion mode, and finally the elastic sealing assembly and the gasket 2 are sealed with the element.
As shown in fig. 1 and 2, an annular protrusion 21 for interference fit with the seal ring 1 deformed by being pressed up and down is arranged on a plane of the gasket 2 close to the seal ring 1, and the inner circle diameter of the annular protrusion 21 is larger than the outer circle diameter of the side surface of the annular ring of the seal ring 1 far away from the second elastic block 11. The sealing ring 1 is extruded up and down by elements positioned above and below the sealing ring 1, air in the open groove 16 is removed, the arc-shaped elastic sheet 13 pushes the sealing ring 1 around the arc-shaped elastic sheet 13 to deform towards the diameter direction of the sealing ring 1, and the annular bulge 21 is in interference fit with the sealing ring 1, so that the sealing performance between the sealing ring 1 and the gasket 2 is improved.
Example 2:
The working principle is as follows: the elements above and below the sealing ring 1 extrude the sealing ring 1 up and down, the elements above the sealing ring 1 apply downward force to the second elastic block 11, and because the elastic coefficient of the first elastic block 12 is smaller than that of the second elastic block 11, the elastic deformation volume of the first elastic block 12 is larger than that of the second elastic block 11, and the second elastic block 11 sinks into the first elastic block 12. The deformation of first elastic block 12 causes the deformation of arc elastic piece 13, and the air in open slot 16 is got rid of and the edge of arc elastic piece 13 closely laminates with the component surface that is located sealing washer 1 below and forms sealed space, therefore sealing washer 1 adsorbs zonulae occludens with the component that is located sealing washer 1 below, and is sealed effectual. The first elastic block 12 causes the arc-shaped elastic piece 13 to deform, the shape of the sealed cavity 15 formed by the side surfaces of the arc-shaped elastic piece 13 and the plane elastic piece 14 close to the second elastic block 11 deforms, and due to the air flow characteristic, all parts of the plane elastic piece 14 are stressed uniformly. The uniformly stressed plane elastic sheet 14 uniformly exhausts air in the opening groove 16 so that the edge of the arc elastic sheet 13 is tightly attached to the surface of an element below the sealing ring 1 to form a sealing space. Air in the opening groove 16 is exhausted, and the arc-shaped elastic piece 13 pushes the sealing ring 1 around the arc-shaped elastic piece 13 to deform towards the diameter direction of the sealing ring 1. At this time, the annular protrusion 21 is interference-fitted with the seal ring 1, thereby improving the sealability between the seal ring 1 and the gasket 2. The deformation space 17 is provided to prevent the deformation from increasing and the volume of the deformation from protruding out of the outer arc surface of the seal ring 1.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (6)
1. Elastic sealing assembly, including sealing washer (1), its characterized in that be equipped with the mounting hole in sealing washer (1), two drill way of mounting hole are located two planes of sealing washer (1) respectively, be equipped with first elastic block (12) in the mounting hole, the lateral wall fixed connection of first elastic block (12) and mounting hole, fixedly connected with second elastic block (11) are gone up in first elastic block (12), the elastic coefficient of first elastic block (12) is less than second elastic block (11), first elastic block (12) have arc elastic sheet (13), the convex surface fixed connection of first elastic block (12) and arc elastic sheet (13), arc elastic sheet (13) are located the mounting hole, just the plane of the edge formation of arc elastic sheet (13) is kept away from the plane parallel and level of second elastic block (11) with sealing washer (1) so that arc elastic sheet (13) closely laminate with the component that is located sealing washer (1) below and laminate The inner fixed connection of the arc-shaped elastic piece (13) is provided with a plane elastic piece (14), the plane elastic piece (14) is parallel to the plane of the sealing ring (1), the side face of the arc-shaped elastic piece (13) close to the second elastic block (11) with the plane elastic piece (14) forms a sealing cavity (15), and the side face of the arc-shaped elastic piece (13) far away from the second elastic block (11) with the plane elastic piece (14) forms an open slot (16).
2. The elastic sealing assembly according to claim 1, characterized in that the second elastic block (11) is hemispherical, the plane of the second elastic block (11) being fixedly connected to the first elastic block (12).
3. Elastomeric seal assembly according to claim 1, characterized in that said second elastomeric block (11) is a rectangular parallelepiped.
4. The elastic sealing assembly according to claim 1, wherein the sealing ring (1) is provided with two deformation spaces (17) for accommodating the increased deformation volume of the sealing ring (1) in the diameter direction after the sealing ring (1) is pressed up and down, and the two deformation spaces (17) are respectively located at the intersection position of the outer arc-shaped side surface of the sealing ring (1) and the side surface of the sealing ring (1) close to the arc-shaped elastic sheet (13) and the intersection position of the inner arc-shaped side surface of the sealing ring (1) and the side surface of the sealing ring (1) close to the arc-shaped elastic sheet (13).
5. The gasket is characterized in that the gasket (2) is in a circular ring sheet shape, the gasket (2) is arranged below the sealing ring (1) in claim 1, the plane of the gasket (2) far away from the sealing ring (1) is an adhesive surface for adhering elements, and the ring width of the gasket (2) is larger than the diameter of the plane formed by the edges of the arc-shaped elastic sheets (13) in claim 1.
6. The gasket according to claim 5, characterized in that the plane of the gasket (2) close to the sealing ring (1) is provided with an annular protrusion (21) for interference fit with the deformed sealing ring (1) which is extruded up and down, and the inner circle diameter of the annular protrusion (21) is larger than the outer circle diameter of the side face of the annular ring of the sealing ring (1) far away from the second elastic block (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921344823.0U CN210686986U (en) | 2019-08-19 | 2019-08-19 | Elastomeric seal assembly and gasket therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921344823.0U CN210686986U (en) | 2019-08-19 | 2019-08-19 | Elastomeric seal assembly and gasket therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210686986U true CN210686986U (en) | 2020-06-05 |
Family
ID=70886537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921344823.0U Active CN210686986U (en) | 2019-08-19 | 2019-08-19 | Elastomeric seal assembly and gasket therefor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210686986U (en) |
-
2019
- 2019-08-19 CN CN201921344823.0U patent/CN210686986U/en active Active
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