CN217481962U - Metal winding gasket with filter screen - Google Patents
Metal winding gasket with filter screen Download PDFInfo
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- CN217481962U CN217481962U CN202220867664.8U CN202220867664U CN217481962U CN 217481962 U CN217481962 U CN 217481962U CN 202220867664 U CN202220867664 U CN 202220867664U CN 217481962 U CN217481962 U CN 217481962U
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- filter screen
- support ring
- ring
- fixture block
- annular
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Abstract
The utility model discloses a metal-wound gasket with a filter screen, which relates to the technical field of sealing gaskets and solves the technical problem that the prior filter screen is directly welded with a support ring to cause inconvenient replacement of the filter screen at the later stage; the filter screen part is clamped on the support ring and comprises a filter screen and a circular clamping block, an annular clamping groove is formed in the support ring, an annular clamping strip is arranged on the circular clamping block and is clamped with the annular clamping groove in a matched mode, and the filter screen is arranged between the support ring and the circular clamping block; the utility model relates to a take filter screen metal gasket takes out circular fixture block from the support ring, then takes out the filter screen, puts new filter screen on the support ring, can the quick replacement filter screen, practices thrift the change time, reduces working cost.
Description
Technical Field
The utility model belongs to the technical field of seal gasket, more specifically relate to a take filter screen metal winding gasket technical field.
Background
The metal wound gasket is a gasket widely applied at present, has the best resilience in a semi-metal sealing gasket, is formed by alternately winding a V-shaped or W-shaped thin steel strip and various fillers, can resist high temperature and high pressure and is suitable for being used under the conditions of ultralow temperature or vacuum, the chemical corrosion problem of various media to the gasket can be solved by changing the material combination of the gasket, and the structural density of the gasket can be manufactured according to different requirements on locking force.
The metal wound gasket has four types, i.e., a basic type, an inner reinforcement type, an outer reinforcement type, and an inner and outer reinforcement type. Wherein, in the installation process of the plane flange and the convex flange, the internal and external reinforced type is most widely applied. In the prior art, the inner and outer reinforced metal winding gaskets comprise a support ring arranged on an inner ring, a positioning ring arranged on an outer ring and a sealing ring arranged between the support ring and the positioning ring. In the installation process, the sealing ring is tightly attached to the flange surface, so that the sealing effect is achieved.
Some metal winding gaskets need to be installed together with the filter screen, and the filter screen plays a current-limiting and filterable effect to the liquid in the pipeline, filters and need to change it after using a period, and current filter screen is direct to be welded with the support ring, leads to later stage filter screen change inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome current filter screen and directly weld with the support ring, lead to the inconvenient not enough of later stage filter screen change, for this reason the utility model provides a take filter screen metal winding gasket technical field.
The utility model adopts the technical scheme as follows:
a metal gasket with a filter screen comprises a support ring arranged on an inner ring, a positioning ring arranged on an outer ring and a sealing ring positioned between the support ring and the positioning ring; the joint has filter screen portion on the support ring, filter screen portion includes filter screen and circular fixture block, is equipped with ring groove on the support ring, is equipped with annular card strip on the circular fixture block, annular card strip with ring groove cooperation joint, the filter screen is established the inboard and the periphery of circular fixture block extend to between support ring and the circular fixture block.
Instructions for operation and use: when needing to be changed the filter screen, take out circular fixture block from the support ring, then take out the filter screen, put new filter screen on the support ring, put circular fixture block at last, circular fixture block is pressed to annular card strip and ring groove alignment back for circular fixture block and support ring cooperation joint are fixed the filter screen between circular fixture block and support ring simultaneously, consequently, through the utility model relates to a take filter screen metal gasket, can the quick replacement filter screen, practice thrift the change time, reduce working cost.
And screw holes are formed in the support ring and the circular clamping blocks, and bolts for fixing the circular clamping blocks on the support ring are arranged in the screw holes. One end of the bolt is sequentially in threaded connection with the screw hole in the circular clamping block and the screw hole in the support ring, the circular clamping block is fixed on the support ring through the bolt, a secondary fixing effect is achieved on the circular clamping block, and the circular clamping block is prevented from falling out of the annular clamping groove in the support ring.
Be equipped with the annular fixed slot of a plurality of different diameters on the support ring, be equipped with a plurality of different diameters on the circular fixture block and with the annular fixed sand grip of annular fixed slot cooperation joint one by one. Annular fixed sand grip and annular fixed slot cooperation joint make also to form the annular arch that corresponds on the filter screen for the contact surface unevenness between filter screen, support ring and the circular fixture block each other, consequently, increased the frictional force between filter screen, circular fixture block and the support ring through setting up annular fixed slot and the fixed sand grip of annular, avoid the filter screen to fall out from between circular fixture block and the support ring.
The metal gasket with the filter screen further comprises a connecting portion, and a connecting groove clamped with the connecting portion is formed in the positioning ring. It should be noted that the connecting portion is used for connecting the metal gasket and the flange, so as to fix the metal gasket on the flange.
The quantity of spread groove is six and spread groove circumference distributes on the holding ring, the quantity of connecting portion is two. Since the number of the coupling grooves is greater than that of the coupling parts, the extra coupling grooves may be used to adjust the positions of the coupling parts, particularly, to arrange the positions of the coupling parts on the coupling grooves as needed.
The spread groove is logical groove for isosceles trapezoid installation, connecting portion include integrated into one piece's the upper part of the body and the lower part of the body, the upper part of the body is equipped with the mounting hole, the lower part of the body is isosceles trapezoid piece, isosceles trapezoid piece upper portion and upper part of the body sub-unit connection, the lower part of the body and the logical groove cooperation joint of isosceles trapezoid installation. The upper body of the connecting part is connected with the flange through the mounting hole and the screw, and the lower body of the connecting part is clamped with the isosceles trapezoid mounting through groove.
The lower body is provided with a screw, and the lower body is connected with the positioning ring through the screw. The lower body is fixed on the positioning ring by the screw to prevent the lower body from falling out of the connecting groove.
The last joint of holding ring has annular shielding plate, one side that annular shielding plate is close to the holding ring is equipped with the post of inserting of three circumference distribution, be equipped with on the holding ring three with insert the post cooperation one by one and insert the jack of establishing. The annular shielding plate shields and covers the connecting groove in the positioning ring, so that the connecting groove is prevented from being exposed and polluted.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model relates to a take filter screen metal gasket takes out circular fixture block from the support ring, then takes out the filter screen, puts new filter screen on the support ring, can the quick replacement filter screen, practices thrift the change time, reduces working cost.
2. The utility model relates to a take filter screen metal gasket fixes circular fixture block on the support ring through the bolt, plays a secondary fixed action to circular fixture block, avoids circular fixture block to fall out from the ring groove on the support ring.
3. The utility model relates to a take filter screen metal gasket has increased the frictional force between filter screen, circular fixture block and the support ring through setting up annular fixed slot and the fixed sand grip of annular, avoids the filter screen to fall out between circular fixture block and the support ring.
Drawings
FIG. 1 is a view of the main structure of the present invention;
FIG. 2 is a view of the cartridge of FIG. 1 with the circular portion removed;
fig. 3 is a structural view of a circular cartridge;
FIG. 4 is a principal structural view of the coupling portion separated from the coupling groove in the retaining ring;
FIG. 5 is a principal structural view of the mating and clamping engagement of the connecting portion with the connecting groove on the retaining ring;
FIG. 6 is a principal structural view of the positioning ring with the insertion hole;
FIG. 7 is a principal structural view of the annular shield plate;
fig. 8 is a main structural view of the annular shielding plate inserted in the insertion hole of the positioning ring.
Reference numerals: 1-support ring, 2-positioning ring, 3-sealing ring, 4-filter screen, 5-circular fixture block, 6-circular fixture groove, 7-circular fixture strip, 8-screw hole, 9-circular fixing groove, 10-circular fixing convex strip, 11-connecting part, 12-connecting groove, 13-upper body, 14-lower body, 15-mounting hole, 16-screw, 17-circular baffle plate, 18-inserting column and 19-inserting hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-3, a metal gasket with a filter screen comprises a support ring 1 arranged at an inner ring, a positioning ring 2 arranged at an outer ring and a sealing ring 3 positioned between the support ring 1 and the positioning ring 2; the joint has filter screen portion on the support ring 1, and filter screen portion includes filter screen 4 and circular fixture block 5, is equipped with ring groove 6 on the support ring 1, is equipped with annular card strip 7 on the circular fixture block 5, and annular card strip 7 cooperates the joint with ring groove 6, and filter screen 4 is established circular fixture block 5 is inside and the periphery extends to between support ring 1 and the circular fixture block 5.
Instructions for operation and use: when needing to change filter screen 4, take out circular fixture block 5 from support ring 1, then take out filter screen 4, put new filter screen 4 on support ring 1, put circular fixture block 5 at last, annular card strip 7 aligns the back with ring groove 6, presses down circular fixture block 5 for circular fixture block 5 and support ring 1 cooperation joint are fixed filter screen 4 between circular fixture block 5 and support ring 1 simultaneously, consequently, through the utility model relates to a take filter screen 4 metal gasket, can quick replacement filter screen 4, practice thrift the change time, reduce working cost.
Example 2
Referring to fig. 2-3, on the basis of embodiment 1, the support ring 1 and the circular fixture block 5 are both provided with screw holes 8, and bolts for fixing the circular fixture block 5 on the support ring 1 are arranged in the screw holes 8. Bolt one end in proper order with screw 8 on the circular fixture block 5 and the screw 8 threaded connection on the support ring 1, fix circular fixture block 5 on support ring 1 through the bolt, play a secondary fixed action to circular fixture block 5, avoid circular fixture block 5 to fall out from ring groove 6 on the support ring 1.
Example 3
Referring to fig. 2 to 3, on the basis of embodiment 1, a plurality of annular fixing grooves 9 with different diameters are formed in the support ring 1, and a plurality of annular fixing protruding strips 10 with different diameters and engaged with the annular fixing grooves 9 one by one are formed on the circular fixture block 5. Annular fixed sand grip 10 makes also to form corresponding annular protruding with annular fixed slot 9 cooperation joint on the filter screen 4 for filter screen 4, support ring 1 and circular fixture block 5 contact surface unevenness each other, consequently, has increased the frictional force between filter screen 4, circular fixture block 5 and the support ring 1 through setting up annular fixed slot 9 and annular fixed sand grip 10, avoids filter screen 4 to fall out from between circular fixture block 5 and the support ring 1.
Example 4
Referring to fig. 4-5, on the basis of embodiment 1, the metal gasket with the filter screen further includes a connecting portion 11, and the positioning ring 2 is provided with a connecting groove 12 that is clamped with the connecting portion 11. It should be noted that the connecting portion 11 is used for connecting the metal gasket and the flange, so as to fix the metal gasket on the flange.
Example 5
Referring to fig. 4-5, on the basis of embodiment 4, the number of the connecting slots 12 is six, the connecting slots 12 are circumferentially distributed on the positioning ring 2, and the number of the connecting portions 11 is two. Since the number of the coupling grooves 12 is greater than that of the coupling parts 11, the excess coupling grooves 12 may be used to adjust the position of the coupling parts 11, and particularly, to arrange the coupling parts 11 on the coupling grooves 12 as needed.
Example 6
Referring to fig. 4-5, on the basis of embodiment 4, the connecting groove 12 is an isosceles trapezoid mounting through groove, the connecting portion 11 includes an upper body 13 and a lower body 14 which are integrally formed, the upper body 13 is provided with a mounting hole 15, the lower body 14 is an isosceles trapezoid block, the upper part of the isosceles trapezoid block is connected with the lower part of the upper body 13, and the lower body 14 is in fit and snap-fit with the isosceles trapezoid mounting through groove. The upper body 13 of the connecting part 11 is screwed with the flange through the mounting hole 15, and the lower body 14 of the connecting part 11 is clamped with the isosceles trapezoid mounting through groove.
Example 7
Referring to fig. 6 to 8, on the basis of embodiment 4, an annular shielding plate 17 is clamped on the positioning ring 2, three insertion posts 18 which are circumferentially distributed are arranged on one side of the annular shielding plate 17 close to the positioning ring 2, and three insertion holes 19 which are matched with the insertion posts 18 one by one are arranged on the positioning ring 2. The annular shielding plate 17 shields and covers the connecting groove 12 on the positioning ring 2, so that the connecting groove 12 is prevented from being exposed and polluted.
Claims (8)
1. A metal winding gasket with a filter screen comprises a support ring (1) arranged at an inner ring, a positioning ring (2) arranged at an outer ring and a sealing ring (3) positioned between the support ring (1) and the positioning ring (2); the novel filter screen is characterized in that the support ring (1) is connected with a filter screen portion in a clamped mode, the filter screen portion comprises a filter screen (4) and a circular fixture block (5), an annular clamping groove (6) is formed in the support ring (1), an annular clamping strip (7) is arranged on the circular fixture block (5), the annular clamping strip (7) is connected with the annular clamping groove (6) in a matched mode, the filter screen (4) is arranged between the inner side and the periphery of the circular fixture block (5) and extends to the position between the support ring (1) and the circular fixture block (5).
2. The metal-wrapped gasket with the filter screen according to claim 1, wherein the support ring (1) and the circular fixture blocks (5) are provided with screw holes (8), and the screw holes (8) are provided with bolts for fixing the circular fixture blocks (5) on the support ring (1).
3. The metal gasket of claim 1, wherein the support ring (1) is provided with a plurality of annular fixing grooves (9) of different diameters, and the circular fixture block (5) is provided with a plurality of annular fixing convex strips (10) of different diameters and engaged with the annular fixing grooves (9) one by one.
4. The metal gasket with the screen of claim 1, further comprising a connecting portion (11), wherein the positioning ring (2) is provided with a connecting groove (12) which is clamped with the connecting portion (11).
5. Metal gasket according to claim 4, wherein the number of said coupling slots (12) is six and the coupling slots (12) are circumferentially distributed on said ring (2), and the number of said coupling portions (11) is two.
6. The metal gasket of claim 4 or 5, wherein the connecting groove (12) is an isosceles trapezoid mounting through groove, the connecting portion (11) comprises an upper body (13) and a lower body (14) which are integrally formed, the upper body (13) is provided with a mounting hole (15), the lower body (14) is an isosceles trapezoid block, the upper part of the isosceles trapezoid block is connected with the lower part of the upper body (13), and the lower body (14) is in fit clamping connection with the isosceles trapezoid mounting through groove.
7. The metal gasket of claim 6, wherein the lower body (14) is provided with a screw (16), and the lower body (14) is screwed with the positioning ring (2) through the screw (16).
8. The metal winding gasket with the filter screen as claimed in claim 4 or 5, wherein an annular shielding plate (17) is clamped on the positioning ring (2), three circumferentially distributed inserting columns (18) are arranged on one side, close to the positioning ring (2), of the annular shielding plate (17), and three inserting holes (19) which are matched with the inserting columns (18) one by one and are inserted are formed in the positioning ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220867664.8U CN217481962U (en) | 2022-04-14 | 2022-04-14 | Metal winding gasket with filter screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220867664.8U CN217481962U (en) | 2022-04-14 | 2022-04-14 | Metal winding gasket with filter screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217481962U true CN217481962U (en) | 2022-09-23 |
Family
ID=83308887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220867664.8U Active CN217481962U (en) | 2022-04-14 | 2022-04-14 | Metal winding gasket with filter screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217481962U (en) |
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2022
- 2022-04-14 CN CN202220867664.8U patent/CN217481962U/en active Active
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