CN221462978U - Gate valve dynamic loading packing structure - Google Patents
Gate valve dynamic loading packing structure Download PDFInfo
- Publication number
- CN221462978U CN221462978U CN202323022407.8U CN202323022407U CN221462978U CN 221462978 U CN221462978 U CN 221462978U CN 202323022407 U CN202323022407 U CN 202323022407U CN 221462978 U CN221462978 U CN 221462978U
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- Prior art keywords
- fixed
- ring
- packing
- sleeve
- fixed block
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- 238000012856 packing Methods 0.000 title claims abstract description 66
- 238000007789 sealing Methods 0.000 claims abstract description 45
- 239000000945 filler Substances 0.000 claims description 17
- 239000007787 solid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000428 dust Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Details Of Valves (AREA)
Abstract
The utility model relates to the technical field of gate valves and discloses a gate valve dynamic load packing structure which comprises a fixed block, wherein the top of the fixed block is communicated with a sleeve, sealing packing is arranged in the sleeve, the upper end of the sleeve is provided with a sleeve ring, the bottom of the sleeve ring is fixedly connected with a packing pressing ring, the surface of the packing pressing ring is fixedly connected with a sealing ring, two ends of the sleeve ring are fixedly connected with extension plates, through holes are formed in the extension plates, and studs are arranged in the through holes. According to the utility model, the through holes of the extension plates are sleeved into the corresponding studs, the nuts are connected with the studs through threads, the nuts extrude the butterfly gaskets, and the lower surfaces of the extension plates are attached to the upper surfaces of the mounting plates, so that the extension plates are fixed, the looseness of the nuts is reduced through the butterfly gaskets, the fixing effect is improved, the lantern rings are tightly attached to the upper surfaces of the sleeves, the gap between the lantern rings and the sleeve is reduced, and the tightness between the sleeve and the lantern rings is improved.
Description
Technical Field
The utility model relates to the technical field of gate valves, in particular to a gate valve dynamic load filling structure.
Background
The gate valve with the packing sealing structure is a dynamic sealing structure which is formed by packing box and packing gland, wherein packing is filled on the surface of a valve shaft, and the packing, the valve shaft and a fixing piece generate pressing force under the self-tightening action of medium pressure.
Because the packing pressing plate and the packing pressing sleeve need to move up and down in the packing box valve cover through hole, a certain gap is reserved between the packing pressing plate and the valve cover through hole, so that the packing pressing plate and the packing pressing sleeve are exposed to the external environment together with packing, and when the packing pressing plate and the packing pressing sleeve are used for a long time, external dust can enter the packing, not only the adjustment of the packing pressing plate is affected, but also the packing pressing plate, the packing pressing sleeve and the packing are corroded, and further the service life of the whole packing sealing structure is affected.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a gate valve dynamic loading filling structure.
The utility model is realized by adopting the following technical scheme: the utility model provides a gate valve dynamic load packing structure, includes the fixed block, the top intercommunication of fixed block has the sleeve pipe, sheathed tube inside is provided with sealing filler, sheathed tube upper end is provided with the lantern ring, the bottom fixedly connected with packing clamping ring of lantern ring, the fixed surface of packing clamping ring is connected with the sealing washer, the both ends fixedly connected with extension board of lantern ring, the through-hole has been seted up to the extension board, the inside of through-hole is provided with the double-screw bolt, the butterfly gasket has been cup jointed on the surface of double-screw bolt, the upper end of butterfly gasket is provided with the nut.
Through above-mentioned technical scheme, make the nut difficult not hard up through butterfly gasket, make the fixed effect of extension board increase, reduce the clearance between lantern ring and the sleeve pipe to promote sealed effect.
As a further improvement of the scheme, the upper end of the fixed block is fixedly connected with a bracket, the inner wall of the bracket is fixedly connected with a mounting plate, the inner wall of the mounting plate is fixedly connected with a fixed column, and the surface of the fixed column is fixedly connected with the bottom of the stud.
As a further improvement of the scheme, the surface of the stud is in threaded connection with the inner wall of the nut, the top of the support is communicated with a fixing ring, a valve rod is arranged in the fixing ring, the lower end of the valve rod extends to the inside of the sleeve, and the inner wall of the sleeve is in contact with the sealing ring.
Through the technical scheme, the stud is connected to the surface of the stud through threads to extrude the butterfly-shaped gasket, so that the fixing effect is improved.
As a further improvement of the scheme, the sealing ring is positioned at the upper end of the fixed block, the fixed block is positioned at the lower end of the packing pressing ring, the packing pressing ring is positioned in the sleeve, and the bottom of the packing pressing ring is in contact with the top of the sealing packing.
Through the technical scheme, the packing ring is used for extruding the sealing packing, so that the sealing packing is attached to the inside of the sleeve, and gas or liquid leakage is reduced.
As a further improvement of the scheme, the surface of the fixed block is fixedly connected with a second fixed plate, the upper end of the second fixed plate is provided with a first fixed plate, the upper end of the fixed block is provided with a threaded rod, and the first fixed plate and the second fixed plate are connected through the threaded rod in a threaded manner.
As a further improvement of the scheme, the back of the first fixing plate is fixedly connected to the front face of the support, the number of the first fixing plate and the number of the second fixing plates are two, the lower end of the second fixing plate is provided with a connecting plate, and the top of the connecting plate is fixedly connected with the bottom of the fixing block.
Through above-mentioned technical scheme, make support and fixed block connect through first fixed plate and second fixed plate.
As a further improvement of the scheme, the back of the first fixing plate is fixedly connected to the front face of the support, the number of the first fixing plate and the number of the second fixing plates are two, the lower end of the second fixing plate is provided with a connecting plate, and the top of the connecting plate is fixedly connected with the bottom of the fixing block.
Through above-mentioned technical scheme, can connect the disk seat through the connecting plate.
As a further improvement of the scheme, the upper end of the fixed block is provided with a thrust ring, the thrust ring is positioned in the sleeve, and the thrust ring is positioned at the lower end of the sealing filler.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through the arranged nuts, particularly through sleeving the through holes of the extension plates into the corresponding studs, the nuts are connected with the studs through threads, the nuts extrude the butterfly gaskets, and the lower surfaces of the extension plates are attached to the upper surfaces of the mounting plates, so that the extension plates are fixed, the looseness of the nuts is reduced through the butterfly gaskets, the fixing effect is improved, the lantern rings are tightly attached to the upper surfaces of the sleeves, the gap between the lantern rings and the sleeves is reduced, and the tightness between the sleeves and the lantern rings is improved.
According to the utility model, the upper end of the sealing filler is extruded by the filler compression ring arranged at the lower end of the lantern ring, so that the sealing filler is extruded in the sleeve, the inner wall of the sleeve is extruded by the sealing ring, external dust is prevented from entering the sleeve, the sealing filler is reduced from being exposed to the outside, corrosion is caused to the sealing filler, and the tightness is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an enlarged schematic view of the portion A of FIG. 1 according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a mounting block of the present utility model;
FIG. 4 is a schematic view of a collar structure according to the present utility model;
FIG. 5 is a schematic diagram of a stud according to the present utility model.
Main symbol description:
1. A fixed block; 2. a bracket; 3. a fixing ring; 4. a valve stem; 5. a mounting plate; 6. fixing the column; 7. an extension plate; 8. a stud; 9. a through hole; 10. a collar; 11. a packing press ring; 12. a seal ring; 13. a sleeve; 14. a nut; 15. butterfly gaskets; 16. a first fixing plate; 17. a second fixing plate; 18. a threaded rod; 19. a connecting plate; 20. sealing filler; 21. a thrust collar.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
Examples:
Referring to fig. 1-5, the gate valve dynamic load packing structure of the present embodiment includes a fixed block 1, a sleeve 13 is connected to the top of the fixed block 1, a sealing packing 20 is provided in the sleeve 13, a collar 10 is provided at the upper end of the sleeve 13, a packing pressing ring 11 is fixedly connected to the bottom of the collar 10, a sealing ring 12 is fixedly connected to the surface of the packing pressing ring 11, extension plates 7 are fixedly connected to two ends of the collar 10, through holes 9 are provided on the extension plates 7, studs 8 are provided in the through holes 9, butterfly gaskets 15 are sleeved on the surfaces of the studs 8, nuts 14 are provided at the upper ends of the butterfly gaskets 15, when the sealing packing 20 is replaced, the nuts 14 are rotated, so that the extension plates 7 can move up and down on the studs 8, the collar 10 is removed, the sealing packing 20 is placed in the sleeve 13, the through holes 9 of the extension plates 7 are sleeved into the corresponding studs 8, the nuts 14 are screwed with the studs 8, the nuts 14 are pressed against the gaskets 15, the lower surfaces of the extension plates 7 are fixedly connected to the upper surfaces of the sleeves 5, and the butterfly gaskets 15 are fixed, looseness of the butterfly gaskets 15 is reduced, and the fitting effect between the mounting plates 13 and the mounting plates is reduced.
The upper end fixedly connected with support 2 of fixed block 1, the inner wall fixedly connected with mounting panel 5 of support 2, the inner wall fixedly connected with fixed column 6 of mounting panel 5, the bottom of the fixed column 6's fixed surface connection double-screw bolt 8.
The surface of double-screw bolt 8 and the inner wall threaded connection of nut 14, the top intercommunication of support 2 has solid fixed ring 3, and gu fixed ring 3's inside is provided with valve rod 4, and the lower extreme of valve rod 4 extends to inside sleeve pipe 13, and the inner wall of sleeve pipe 13 contacts with sealing washer 12, and the inner wall of nut 14 rotates at the surface of double-screw bolt 8.
The sealing washer 12 is located the upper end of fixed block 1, and fixed block 1 is located the lower extreme of packing clamping ring 11, and packing clamping ring 11 is located the inside of sleeve pipe 13, and the bottom of packing clamping ring 11 contacts with the top of sealing packing 20, and the packing clamping ring 11 of the lower extreme of lantern ring 10 extrudes the upper end of sealing packing 20, makes sealing packing 20 extrusion inside sleeve pipe 13, and sealing washer 12 extrudes the inner wall of sleeve pipe 13, avoids outside dust to get into inside sleeve pipe 13, reduces sealing packing 20 and exposes in the external world, causes the corruption to sealing packing 20, reduces the leakproofness.
The fixed block 1's fixed surface is connected with the second fixed plate 17, and the upper end of second fixed plate 17 is provided with first fixed plate 16, and the upper end of fixed block 1 is provided with threaded rod 18, and first fixed plate 16 and second fixed plate 17 pass through threaded rod 18 threaded connection.
The back fixed connection of first fixed plate 16 is in the front of support 2, and the quantity of first fixed plate 16 and second fixed plate 17 all is provided with two, and the lower extreme of second fixed plate 17 is provided with connecting plate 19, and the bottom of connecting plate 19 top fixed connection fixed block 1 is connected the disk seat through connecting plate 19.
The upper end of the fixed block 1 is provided with a thrust ring 21, the thrust ring 21 is positioned inside the sleeve 13, and the thrust ring 21 is positioned at the lower end of the sealing filler 20.
The implementation principle of the gate valve dynamic loading filling structure in the embodiment of the application is as follows:
When the sealing filler 20 is replaced, the nut 14 is disassembled by rotating the nut 14, the extension plate 7 can move up and down on the stud 8 at the moment, the lantern ring 10 is disassembled, the sealing filler 20 is put into the sleeve 13, the through hole 9 of the extension plate 7 is sleeved into the corresponding stud 8, the nut 14 is in threaded connection with the stud 8, the nut 14 is used for extruding the butterfly-shaped gasket 15, the lower surface of the extension plate 7 is attached to the upper surface of the mounting plate 5, so that the extension plate 7 is fixed, loosening of the nut 14 is reduced through the butterfly-shaped gasket 15, the fixing effect is improved, the lantern ring 10 is tightly attached to the upper surface of the sleeve 13, the gap between the lantern ring 10 and the sleeve 13 is reduced, the filler pressing ring 11 at the lower end of the lantern ring 10 is used for extruding the upper end of the sealing filler 20, the sealing filler 20 is extruded inside the sleeve 13, the sealing ring 12 is extruded on the inner wall of the sleeve 13, external dust is prevented from entering the inside the sleeve 13, the sealing filler 20 is reduced from being exposed to the outside, corrosion to the sealing filler 20 is caused, and the sealing property is reduced.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (7)
1. The utility model provides a gate valve dynamic load packing structure, its characterized in that, including fixed block (1), the top intercommunication of fixed block (1) has sleeve pipe (13), the inside of sleeve pipe (13) is provided with sealed packing (20), the upper end of sleeve pipe (13) is provided with lantern ring (10), the bottom fixedly connected with packing clamping ring (11) of lantern ring (10), the fixed surface of packing clamping ring (11) is connected with sealing washer (12), the both ends fixedly connected with extension board (7) of lantern ring (10), through-hole (9) have been seted up to extension board (7), the inside of through-hole (9) is provided with double-screw bolt (8), butterfly gasket (15) have been cup jointed on the surface of double-screw bolt (8), the upper end of butterfly gasket (15) is provided with nut (14).
2. A gate valve dynamic load packing structure as defined in claim 1, wherein: the upper end fixedly connected with support (2) of fixed block (1), the inner wall fixedly connected with mounting panel (5) of support (2), the inner wall fixedly connected with fixed column (6) of mounting panel (5), the bottom of fixed column (6) fixed surface connecting stud (8).
3. A gate valve dynamic load packing structure as defined in claim 2, wherein: the surface of double-screw bolt (8) and the inner wall threaded connection of nut (14), the top intercommunication of support (2) has solid fixed ring (3), the inside of solid fixed ring (3) is provided with valve rod (4), the lower extreme of valve rod (4) extends to sleeve pipe (13) inside, the inner wall of sleeve pipe (13) and sealing washer (12) contact.
4. A gate valve dynamic load packing structure as defined in claim 3, wherein: the sealing ring (12) is located the upper end of fixed block (1), fixed block (1) is located the lower extreme of packing clamping ring (11), packing clamping ring (11) are located the inside of sleeve pipe (13), the bottom of packing clamping ring (11) and the top contact of sealing packing (20).
5. The gate valve dynamic load packing structure of claim 4, wherein: the surface fixing of fixed block (1) is connected with second fixed plate (17), the upper end of second fixed plate (17) is provided with first fixed plate (16), the upper end of fixed block (1) is provided with threaded rod (18), first fixed plate (16) and second fixed plate (17) pass through threaded rod (18) threaded connection.
6. The gate valve dynamic load packing structure of claim 5, wherein: the back fixed connection of first fixed plate (16) is in the front of support (2), the quantity of first fixed plate (16) and second fixed plate (17) all is provided with two, the lower extreme of second fixed plate (17) is provided with connecting plate (19), the bottom of top fixed connection fixed block (1) of connecting plate (19).
7. The gate valve dynamic load packing structure of claim 6, wherein: the upper end of the fixed block (1) is provided with a thrust ring (21), the thrust ring (21) is positioned in the sleeve (13), and the thrust ring (21) is positioned at the lower end of the sealing filler (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323022407.8U CN221462978U (en) | 2023-11-09 | 2023-11-09 | Gate valve dynamic loading packing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323022407.8U CN221462978U (en) | 2023-11-09 | 2023-11-09 | Gate valve dynamic loading packing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221462978U true CN221462978U (en) | 2024-08-02 |
Family
ID=92338125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323022407.8U Active CN221462978U (en) | 2023-11-09 | 2023-11-09 | Gate valve dynamic loading packing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221462978U (en) |
-
2023
- 2023-11-09 CN CN202323022407.8U patent/CN221462978U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |