CN215060263U - Dual-fastening flange cover - Google Patents
Dual-fastening flange cover Download PDFInfo
- Publication number
- CN215060263U CN215060263U CN202120110312.3U CN202120110312U CN215060263U CN 215060263 U CN215060263 U CN 215060263U CN 202120110312 U CN202120110312 U CN 202120110312U CN 215060263 U CN215060263 U CN 215060263U
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- cover body
- flange
- cover plate
- flange cover
- connecting piece
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Abstract
The utility model provides a flange cover of dual fastening. Comprises a flange cover body, a fixed cover body and a connecting piece. Be equipped with seal platform, brace table and apron on the flange lid, still be equipped with sealed the pad on the seal platform, be equipped with the screw hole that is used for connecting fixedly on brace table and the apron, through adopting the connecting piece of several kinds of differences to connect apron and pipeline, fixed lid and brace table and apron are connected and are fixed in proper order. The problem that the existing flange cover plate is poor in sealing effect and infirm in installation and easily causes the flange cover to fall off is solved.
Description
Technical Field
The utility model relates to a flange technical field especially relates to a flange cover of dual fastening.
Background
The flange is also called flange plate or flange plate, flange connection or flange joint, and refers to a detachable connection which is formed by mutually connecting a flange, a gasket and a bolt and serves as a group of combined sealing structure, the pipeline flange refers to a flange for piping in a pipeline device, the pipeline flange refers to an inlet flange and an outlet flange of equipment used on the equipment, the flange is provided with holes, the bolt tightly connects the two flanges, the flange is sealed by a gasket, and the flange is in threaded connection with the flange and is welded with the flange. At present, the flange cover plate is directly fixed by threads or bolts. However, the existing flange cover plate also has the problems of poor sealing effect and infirm installation, and the falling off of the flange cover is easy to cause. Therefore, it is necessary to design a flange cover plate which can ensure both the sealing performance and the fastening performance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a flange cover with double fastening.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a flange cover with double fastening comprises a flange cover body, a fixed cover body and a connecting piece, wherein the fixed cover body is arranged at the right end of the flange cover body; the fixed cover body is connected with the flange cover body through a connecting piece.
Preferably, the flange cover body is provided with a sealing platform, a supporting platform and a cover plate; a plurality of cover plate bolt holes are formed in the outer ring of the cover plate; the cover plate bolt holes are uniformly distributed on the cover plate; the adjacent cover plate bolt holes are spaced by 30 degrees; a plurality of cover plate threaded holes are formed in the inner ring of the cover plate; the cover plate threaded holes are uniformly distributed on the cover plate; the interval between the adjacent cover plate threaded holes is 45 degrees; the sealing platform is arranged at the left end of the flange cover body; the support table is arranged at the right end of the flange cover body; the middle of the supporting platform is provided with a threaded connecting hole; the sealing platform, the supporting platform and the cover plate of the flange cover body are integrally cast.
Preferably, a sealing gasket is further arranged on the flange cover body; the sealing gasket is provided with an inner diameter and an outer diameter; the inner diameter of the sealing gasket is larger than or equal to the diameter of the sealing table; the outer diameter of the sealing gasket is not more than the inner diameter of the connecting pipeline; the width of the sealing gasket is equal to the height of the sealing platform.
The sealing gasket is made of asbestos rubber plates. The asbestos rubber sheet has proper strength, elasticity, flexibility and other properties, and is convenient and cheap to manufacture the gasket, so that the asbestos rubber sheet is rapidly popularized and applied in chemical enterprises.
Preferably, the middle part of the fixed cover body is provided with a countersunk head threaded hole; the countersunk head threaded hole corresponds to the threaded connecting hole; a plurality of fixing threaded holes are formed in the outer ring of the fixing cover body; the fixed threaded holes are uniformly distributed on the fixed cover body; the adjacent fixing threaded holes are spaced by 45 degrees; the fixed threaded hole corresponds to the cover plate threaded hole.
Preferably, the connecting pieces are respectively a bolt connecting piece, a countersunk head screw connecting piece and an inner hexagonal screw connecting piece.
The inner hexagonal screw connector has the advantages of convenience in fastening and dismounting, difficulty in sliding angles and the like. The screw can be better fastened while saving labor.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the combination of the sealing platform and the sealing gasket is arranged, the sealing gasket is not easy to fall off when being impacted, the sealing performance of the sealing gasket is higher than that of the sealing gasket used alone, and leakage is prevented.
(2) Through the double fixation of the fixed cover body to the bolt connecting pieces on the supporting table and the cover plate, the problem that the flange cover is insecure to install and easy to fall off when receiving impact is solved.
Drawings
FIG. 1 is a front view of a double-fastened flange cover;
FIG. 2 is a left side view of the double-fastened flange cover;
fig. 3 is a rear view of a double-fastened flange cover.
Wherein: 1-a flange cover body; 2-fixing the cover body; 3-a connector; 11-a sealing table; 12-a support table; 13-a cover plate; 14-a gasket; 121-threaded connection holes; 131-cover plate bolt holes; 132-cover plate threaded hole; 141-inner diameter; 142-outer diameter; 21-countersunk threaded holes; 22-fixing threaded holes; 31-bolt connection; 32-countersunk head screw connections; 33-hexagon socket head cap screw connector.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Referring to fig. 1, the present invention provides a dual-fastening flange cover, which includes a flange cover body 1, a fixed cover body 2 and a connecting member 3, wherein the fixed cover body 2 is disposed at the right end of the flange cover body 1; the fixed cover body 2 is connected with the flange cover body 1 through a connecting piece 3.
Preferably, the flange cover body is provided with a sealing platform 11, a supporting platform 12 and a cover plate 13; a plurality of cover plate bolt holes 131 are formed in the outer ring of the cover plate 13; the cover plate bolt holes 131 are uniformly distributed on the outer ring of the cover plate 13; the adjacent cover plate bolt holes 131 are spaced by 30 degrees; a plurality of cover plate threaded holes 132 are formed in the inner ring of the cover plate 13; the cover plate threaded holes 132 are uniformly distributed on the inner ring of the cover plate 13; the interval between the adjacent cover plate threaded holes is 45 degrees; the sealing platform 11 is arranged at the left end of the flange cover body 1; the support table 12 is arranged at the right end of the flange cover body 1; a threaded connecting hole 121 is formed in the middle of the support table 12; the sealing platform 11, the supporting platform 12 and the cover plate 13 of the flange cover body 1 are integrally cast.
Preferably, a sealing gasket 14 is further arranged on the flange cover body 1; the sealing gasket 14 is provided with an inner diameter 141 and an outer diameter 142; the inner diameter 141 of the sealing gasket 14 is larger than or equal to the diameter of the sealing platform 13; the outer diameter 142 of the gasket 14 is not greater than the inner diameter of the connecting pipe; the width of the gasket 14 is equal to the height of the sealing table 11.
Preferably, a countersunk threaded hole 21 is formed in the middle of the fixed cover body 2; the countersunk head threaded hole 21 corresponds to the threaded connecting hole 121; a plurality of fixing threaded holes 22 are formed in the outer ring of the fixing cover body 2; the fixing threaded holes 22 are uniformly distributed on the fixing cover body 2; the adjacent fixing threaded holes 22 are spaced by 45 degrees; the fixing screw holes 22 correspond to the cover plate screw holes 132.
Preferably, the connecting member 3 is a bolt connecting member 31, a countersunk head screw connecting member 32 and a hexagon socket head screw connecting member 33.
When the flange cover with double fastening of the utility model is used, the sealing gasket 14 is firstly sleeved on the sealing platform 11, and the outer diameter 142 of the sealing gasket 14 is not more than the inner diameter of the connecting pipeline, so that the whole connecting pipeline can be just covered; the whole flange cover body 1 is arranged on a pipeline through a bolt connecting piece 31, and the cover plate bolt holes 131 on the cover plate 13 correspond to the installation bolt holes on the pipeline one by one; after the flange cover body 1 is installed, the fixed cover body 2 is installed on a supporting table 12 of the flange cover body 1, a countersunk threaded hole 21 is formed in the middle of the supporting table 12, the countersunk threaded hole 21 is formed in the middle of the fixed cover body 2, and the fixed cover body 2 is installed on the supporting table 12 by penetrating through the countersunk threaded hole 21 and the countersunk threaded hole 21 through a countersunk screw connecting piece 32; be equipped with fixed screw hole 22 on the outer lane of fixed lid 2, be equipped with the apron screw hole 132 that corresponds with fixed screw hole 22 on the inner circle of apron 13, hexagon socket head cap screw connecting piece 33 passes fixed screw hole 22 and apron screw hole 132, further fixes on flange lid 1 to fixed lid 2, because the high design of brace table 12 is the same with the nut height of bolted connection 31, consequently, fixed lid 2 also plays fixed effect to bolted connection 31 to this effect that reaches dual fastening.
The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.
Claims (4)
1. A double-fastened flange cover, characterized in that: the flange cover comprises a flange cover body (1), a fixed cover body (2) and a connecting piece (3), wherein the fixed cover body (2) is arranged at the right end of the flange cover body (1); the fixed cover body (2) is connected with the flange cover body (1) through a connecting piece (3); the flange cover body (1) is provided with a sealing platform (11), a supporting platform (12) and a cover plate (13); a plurality of cover plate bolt holes (131) are formed in the outer ring of the cover plate (13); the cover plate bolt holes (131) are uniformly distributed on the cover plate (13); the adjacent cover plate bolt holes (131) are spaced by 30 degrees; a plurality of cover plate threaded holes (132) are formed in the inner ring of the cover plate (13); the cover plate threaded holes (132) are uniformly distributed on the cover plate (13); the adjacent cover plate threaded holes (132) are spaced by 45 degrees; the sealing platform (11) is arranged at the left end of the flange cover body (1); the support table (12) is arranged at the right end of the flange cover body (1); a threaded connecting hole (121) is formed in the middle of the support table (12); the sealing platform (11), the supporting platform (12) and the cover plate (13) of the flange cover body (1) are integrally cast.
2. A double-fastened flange cover according to claim 1, wherein: a sealing gasket (14) is also arranged on the flange cover body (1); the sealing gasket (14) is provided with an inner diameter (141) and an outer diameter (142); the inner diameter (141) of the sealing gasket (14) is larger than or equal to the diameter of the sealing platform (11); the outer diameter (142) of the sealing gasket (14) is not larger than the inner diameter of the connecting pipeline; the width of the sealing gasket (14) is equal to the height of the sealing platform (11).
3. A double-fastened flange cover according to claim 1, wherein: a countersunk head threaded hole (21) is formed in the middle of the fixed cover body (2); the countersunk head threaded hole (21) corresponds to the threaded connecting hole (121); a plurality of fixing threaded holes (22) are formed in the outer ring of the fixing cover body (2); the fixing threaded holes (22) are uniformly distributed on the fixing cover body (2); the adjacent fixing threaded holes (22) are spaced by 45 degrees; the fixing threaded hole (22) corresponds to the cover plate threaded hole (132).
4. A double-fastened flange cover according to claim 1, wherein: the connecting piece (3) adopts a bolt connecting piece (31), a countersunk head screw connecting piece (32) and an inner hexagonal screw connecting piece (33) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120110312.3U CN215060263U (en) | 2021-01-15 | 2021-01-15 | Dual-fastening flange cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120110312.3U CN215060263U (en) | 2021-01-15 | 2021-01-15 | Dual-fastening flange cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215060263U true CN215060263U (en) | 2021-12-07 |
Family
ID=79250756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120110312.3U Active CN215060263U (en) | 2021-01-15 | 2021-01-15 | Dual-fastening flange cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215060263U (en) |
-
2021
- 2021-01-15 CN CN202120110312.3U patent/CN215060263U/en active Active
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