CN220204983U - Anti-leakage neck butt welding flange - Google Patents
Anti-leakage neck butt welding flange Download PDFInfo
- Publication number
- CN220204983U CN220204983U CN202321963409.4U CN202321963409U CN220204983U CN 220204983 U CN220204983 U CN 220204983U CN 202321963409 U CN202321963409 U CN 202321963409U CN 220204983 U CN220204983 U CN 220204983U
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- CN
- China
- Prior art keywords
- flange
- groove
- butt welding
- mounting groove
- lug
- Prior art date
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- 238000003466 welding Methods 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 230000002265 prevention Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Abstract
The utility model relates to the technical field of butt welding flanges, in particular to an air leakage prevention butt welding flange with a neck, which comprises an upper flange, wherein the bottom of the upper flange is movably connected with a lower flange, the top of the lower flange is provided with a limit groove, the inside of the limit groove is slidably connected with a limit block, the top of the limit block is fixedly connected with the bottom of the upper flange, the top of the upper flange and the bottom of the lower flange are both provided with clamping grooves, clamping plates are clamped in the clamping grooves, connecting holes are formed in the upper flange and the lower flange, the inside of the connecting holes is movably connected with a stud bolt, and the outer surface of the stud bolt is in threaded connection with a nut. According to the utility model, the limiting groove, the limiting block, the clamping groove and the clamping block are arranged, so that convenience in mounting of the upper flange and the lower flange is improved, and the first mounting groove, the second mounting groove, the first sealing ring and the second sealing ring are arranged, so that the sealing performance of the device is enhanced.
Description
Technical Field
The utility model relates to the technical field of butt welding flanges, in particular to an air leakage prevention butt welding flange with a neck.
Background
The flange, namely flange disc or flange, basically means a protruding structure on an object or an object with a protruding structure, generally means a part or structure for connection in the mechanical field, but the flange is easy to loosen with the action of external force along with the increase of time, and has the phenomenon of air leakage and poor sealing performance, so that the flange with the neck for preventing air leakage is needed.
When the existing anti-leakage neck butt welding flange is installed, sealing inside the flange is achieved through the sealing ring which is additionally arranged in the anti-leakage neck butt welding flange, the flange is fixed through the bolts and the nuts, but connecting holes between the two flanges are required to be continuously calibrated when the anti-leakage neck butt welding flange is installed, the bolts can be installed inside, operation is inconvenient, and therefore the anti-leakage neck butt welding flange is required.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides an air leakage prevention neck butt welding flange.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a leak protection gas takes neck butt welding flange, includes the flange, the bottom swing joint of going up the flange has the lower flange, the spacing groove has been seted up at the top of lower flange, the inside sliding connection of spacing groove has the stopper, and the top of stopper and the bottom fixed connection of last flange, the draw-in groove has all been seted up to the top of going up the flange and the bottom of lower flange, the inside joint of draw-in groove has the cardboard, the inside of going up flange and lower flange all is provided with the connecting hole, and the inside swing joint of connecting hole has stud, stud's surface threaded connection has the nut.
Further: the bottom of going up the flange is provided with first mounting groove, the quantity of first mounting groove is provided with two, two first mounting groove is cyclic annular, and the interior top fixedly connected with first sealing washer of first mounting groove.
Further: the top of lower flange is provided with the second mounting groove, the interior bottom fixedly connected with second sealing washer of second mounting groove.
Further: the bottom of upper flange is provided with first lug, and first lug laminating mutually with the top of second sealing washer.
Further: the top of lower flange is provided with the second lug, the quantity of second lug is provided with two, two the second lug is laminated with the bottom of first sealing washer mutually.
Further: the inside of draw-in groove has seted up the screw groove, the inside threaded connection of screw groove has the screw, and the inside swing joint of screw and cardboard.
The utility model has the following beneficial effects:
1. compared with the prior art, through setting up spacing groove, stopper, draw-in groove and fixture block, utilize the flange to put into the inside of spacing groove with the stopper, make stopper and the inseparable block of spacing groove through rotating, the draw-in groove of flange and lower flange is corresponding this moment, and the reuse cardboard is fixed flange and lower flange on with to be convenient for install stud and nut, be favorable to promoting the convenience of flange and lower flange installation.
2. Compared with the prior art, through setting up first mounting groove, second mounting groove, first sealing washer and second sealing washer, utilize the second lug at lower flange top to extrude first sealing washer, utilize the first lug of flange bottom to extrude the second sealing washer for realize sealing between upper flange and the lower flange, be favorable to reinforcing arrangement's leakproofness.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
FIG. 3 is an enlarged view of FIG. 2A in accordance with the present utility model;
fig. 4 is a schematic diagram of the internal structure of the limiting groove according to the present utility model.
Legend description:
1. an upper flange; 2. a lower flange; 3. a stud bolt; 4. a nut; 5. a first mounting groove; 6. a first seal ring; 7. a second mounting groove; 8. a second seal ring; 9. a clamping groove; 10. a thread groove; 11. a clamping plate; 12. a screw; 13. a limit groove; 14. and a limiting block.
Detailed Description
Referring to fig. 1-4, the utility model provides an air leakage prevention necked butt welding flange: including last flange 1, the bottom swing joint of going up flange 1 has flange 2 down, and spacing groove 13 has been seted up at the top of flange 2 down, and the inside sliding connection of spacing groove 13 has stopper 14, and the bottom fixed connection of stopper 14 and last flange 1, draw-in groove 9 has all been seted up to the top of flange 1 and the bottom of flange 2 down, and the inside joint of draw-in groove 9 has cardboard 11, and the inside of going up flange 1 and flange 2 down all is provided with the connecting hole, and the inside swing joint of connecting hole has stud 3, and the surface threaded connection of stud 3 has nut 4. The upper flange 1 is utilized to put the limiting block 14 into the limiting groove 13, the limiting block 14 is tightly clamped with the limiting groove 13 through rotation, the clamping grooves 9 of the upper flange 1 and the lower flange 2 are corresponding at the moment, the upper flange 1 and the lower flange 2 are fixed by the clamping plate 11, so that the stud bolts 3 and the nuts 4 are conveniently installed, and convenience in installation of the upper flange 1 and the lower flange 2 is improved.
The bottom of going up flange 1 is provided with first mounting groove 5, and the quantity of first mounting groove 5 is provided with two, and two first mounting grooves 5 are cyclic annular, and the interior top fixedly connected with first sealing washer 6 of first mounting groove 5. The first sealing ring 6 is mounted by using the first mounting groove 5 to be matched with the lower flange 2 for sealing.
The top of lower flange 2 is provided with second mounting groove 7, and the interior bottom of second mounting groove 7 fixedly connected with second sealing washer 8. The second sealing ring 8 is installed by using the second installation groove 7 and is used for being matched with the upper flange 1 to realize double sealing.
The bottom of the upper flange 1 is provided with a first lug, and the first lug is attached to the top of the second sealing ring 8. The first protruding block is utilized to extrude the second sealing ring 8, so that the upper flange and the lower flange are attached more precisely.
The top of lower flange 2 is provided with the second lug, and the quantity of second lug is provided with two, and two second lugs are laminated mutually with the bottom of first sealing washer 6. The second protruding blocks are used for extruding the first sealing ring 6, the first protruding blocks are matched for extruding, the first protruding blocks and the second protruding blocks are extruded alternately, and the tightness of connection between the upper flange and the lower flange is enhanced.
The inside of draw-in groove 9 has seted up thread groove 10, and the inside threaded connection of thread groove 10 has screw 12, and the inside swing joint of screw 12 and cardboard 11. The clamping plate 11 is connected with the thread groove 10 by the screw 12, so that the upper flange 1 and the lower flange 2 can be conveniently fixed.
Working principle: when the sealing device is used, the upper flange 1 is utilized to put the limiting block 14 into the limiting groove 13, the limiting block 14 is enabled to be tightly clamped with the limiting groove 13 through rotation, at the moment, the clamping grooves 9 of the upper flange 1 and the lower flange 2 are corresponding, the clamping plates 11 are utilized to fix the upper flange 1 and the lower flange 2, so that the installation of the stud 3 and the nut 4 is facilitated, the installation convenience of the upper flange 1 and the lower flange 2 is facilitated, the second protruding block at the top of the lower flange 2 is utilized to extrude the first sealing ring 6, the first protruding block at the bottom of the upper flange 1 is utilized to extrude the second sealing ring 8, sealing is achieved between the upper flange 1 and the lower flange 2, and the sealing performance of the device is facilitated to be enhanced.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides a leak protection gas takes neck butt welding flange, includes flange (1), its characterized in that: the bottom swing joint of going up flange (1) has flange (2) down, spacing groove (13) have been seted up at the top of flange (2) down, the inside sliding connection of spacing groove (13) has stopper (14), and the top of stopper (14) and the bottom fixed connection of last flange (1), draw-in groove (9) have all been seted up at the top of flange (1) and the bottom of flange (2) down, the inside joint of draw-in groove (9) has cardboard (11), the inside of flange (1) and flange (2) down all is provided with the connecting hole, and the inside swing joint of connecting hole has stud (3), the surface threaded connection of stud (3) has nut (4).
2. The leak resistant necked butt welding flange as set forth in claim 1 wherein: the bottom of going up flange (1) is provided with first mounting groove (5), the quantity of first mounting groove (5) is provided with two, two first mounting groove (5) are cyclic annular, and the interior top fixedly connected with first sealing washer (6) of first mounting groove (5).
3. The leak resistant necked butt welding flange as set forth in claim 2 wherein: the top of lower flange (2) is provided with second mounting groove (7), the interior bottom fixedly connected with second sealing washer (8) of second mounting groove (7).
4. A leak resistant necked butt welding flange as defined in claim 3 wherein: the bottom of the upper flange (1) is provided with a first lug, and the first lug is attached to the top of the second sealing ring (8).
5. A leak resistant necked butt welding flange as defined in claim 3 wherein: the top of lower flange (2) is provided with the second lug, the quantity of second lug is provided with two, two the second lug is laminated mutually with the bottom of first sealing washer (6).
6. The leak resistant necked butt welding flange as set forth in claim 1 wherein: the inside of draw-in groove (9) has seted up screw groove (10), the inside threaded connection of screw groove (10) has screw (12), and the inside swing joint of screw (12) and cardboard (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321963409.4U CN220204983U (en) | 2023-07-25 | 2023-07-25 | Anti-leakage neck butt welding flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321963409.4U CN220204983U (en) | 2023-07-25 | 2023-07-25 | Anti-leakage neck butt welding flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204983U true CN220204983U (en) | 2023-12-19 |
Family
ID=89154094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321963409.4U Active CN220204983U (en) | 2023-07-25 | 2023-07-25 | Anti-leakage neck butt welding flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204983U (en) |
-
2023
- 2023-07-25 CN CN202321963409.4U patent/CN220204983U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |