CN203604678U - Conical parallel diverting and expanding flat gate valve - Google Patents
Conical parallel diverting and expanding flat gate valve Download PDFInfo
- Publication number
- CN203604678U CN203604678U CN201320797935.8U CN201320797935U CN203604678U CN 203604678 U CN203604678 U CN 203604678U CN 201320797935 U CN201320797935 U CN 201320797935U CN 203604678 U CN203604678 U CN 203604678U
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- Prior art keywords
- valve
- seal disc
- valve rod
- flashboard
- seal
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- 239000012530 fluid Substances 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 241001633942 Dais Species 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 9
- 238000005086 pumping Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model discloses a conical parallel diverting and expanding flat gate valve which comprises a valve body. A fluid channel is arranged in the valve body, a valve plate is arranged in the fluid channel, and the lower end of a gate plate is provided with a fluid through hole. One side of the fluid channel is provided with a valve cavity, a valve rod penetrates out of the valve cavity, and a sealing device is embedded into the gate plate. The sealing device comprises two sealing plates, and the matching position of the valve body and the sealing device is provided with a valve seat. The outer sides of the sealing plates are movably matched with the valve seat in a sealing mode, and the side, close to the other sealing plate, of one sealing plate is provided with a supporting table. The supporting table divides the space in the corresponding sealing plate into an upper cavity and a lower cavity. The upper cavity is internally provided with a wedge block which is connected with the valve rod, and the wedge block is sleeved with a shaft sleeve. The lower cavity is internally provided with an expansion block which is composed of two branch expansion blocks. The branch expansion blocks are arranged in the direction of the fluid channel. According to the conical parallel diverting and expanding flat gate valve, a sealing face and the expansion block can be effectively protected, the wedge block is located between the two sealing plates and is not prone to pollution and shock by medium fluid, the good sealing function can be achieved, and meanwhile service life can be prolonged.
Description
Technical field
The utility model relates to a kind of plate valve, is specifically related to a kind of taper parallel type water conservancy diversion and struts plate valve.
Background technique
Plate valve is that a kind of closure member is the slide-valve of parallel gate plate.Its closure member can be Single disc or therebetween with the double-flashboard of spreading mechanism.Flashboard is to be controlled by effect and the pressure medium of unsteady flashboard or floating valve seat to the impacting force of valve seat.If Double Disc Flat Gate Valves, the spreading mechanism between two flashboards can supplement this impacting force.
Existing plate valve makes because the inwall of flashboard and valve body is provided with sealing pair in opening and closing, while opening flashboard, flashboard moving direction vertical with the direction of described medium fluid, not only can be subject to the resistance of medium fluid, can be subject to the resistance from sealing pair simultaneously, when unlatching, needed hoisting capacity is large, and the wearing and tearing between sealing pair are large, can reduce the working life of plate valve.
Summary of the invention
The purpose of this utility model is: for the deficiencies in the prior art, the utility model provides a kind of and opened and closed that moment is light, sealing place turbidity test taper parallel type water conservancy diversion high, long service life struts plate valve.
To achieve these goals, the utility model has adopted following technological scheme:
A kind of taper parallel type water conservancy diversion struts plate valve, comprise valve body and valve rod, in described valve body, be provided with fluid passage, in described fluid passage, be provided with the flashboard that can open and close fluid passage, the lower end of described flashboard is provided with the fluid through-hole that forms fluid passage conducting, one side of described fluid passage is provided with valve pocket, described valve rod passes valve pocket, described flashboard is embedded with seal arrangement, described seal arrangement comprises two seal discs, described valve body and seal arrangement cooperation place are provided with valve seat, the outside of described seal disc coordinates with described valve seat motive sealing, described seal disc is provided with saddle by another seal disc one side, the space in seal disc is divided into epicoele and cavity of resorption by saddle relative on two seal discs, in described epicoele, be provided with wedge-shaped blocks, described wedge-shaped blocks is connected with described valve rod, described wedge-shaped blocks is arranged with axle sleeve outward, in described cavity of resorption, be provided with the piece that rises, the described piece that rises is made up of two pieces points of pieces that rise, described dividing rises by piece along direction of fluid setting.
As preferably, the interface of described wedge-shaped blocks is I-shaped, all sides of described wedge-shaped blocks are provided with annular groove, described axle sleeve is embedded in described circular groove, between described axle sleeve and circular groove bottom, be provided with ring set, the madial wall of described ring set is conical surface, and the internal diameter of described ring set is increased gradually by fluid passage to the direction of valve pocket.Adopt after above-mentioned preferred version, wedge-shaped blocks struts the better effects if of two seal discs.
As preferably, the described piece that rises is I-shaped, the described piece that rises is provided with away from one end of valve rod the piece limit dais that rises, described seal disc deviates from a side of valve rod and the described piece limit dais that rises offsets, described flashboard forms seal disc week groove by the inner side of seal disc upside and the described piece limit dais that rises, and described seal disc is embedded in all grooves of described seal disc.Adopt after above-mentioned preferred version, seal disc is not easy to produce displacement, and seal disc is better located.
As preferably, described valve rod is by one end of flashboard through described flashboard upside and penetrate in two epicoeles seal disc, and one end that described valve rod passes in epicoele is provided with valve rod fixed block, and described valve rod fixed block is connected with described wedge-shaped blocks.Adopt after above-mentioned preferred version, structure is compacter.
As preferably, the side that described valve rod does not penetrate flashboard is provided with limiting stopper, described limiting stopper and described spacing cooperation of flashboard upside, and described limiting stopper is positioned at described valve pocket.Adopt after above-mentioned preferred version, the arranging of limiting stopper can be avoided valve rod excessively to stretch in epicoele the parts in epicoele are damaged.
As preferably, described valve seat and seal disc cooperation place are provided with valve seat insert, and described seal disc is provided with valve seat motive sealing cooperation place the seal disc seal ring coordinating with valve seat insert.Adopt after above-mentioned preferred version the better tightness between valve seat and seal disc.
As preferably, described valve body is provided with the valve pocket half extending towards deviating from direction of fluid by a side of valve pocket, described valve pocket half upper cover is stamped valve gap, described valve pocket half and described valve gap are fixedly connected to form valve pocket described above, described valve pocket half and described valve gap fixed connection place are sealed and matched, and described valve gap is provided with the pod apertures device that can regulate valve pocket inner fluid capacity.Adopt after above-mentioned preferred version, valve pocket can remove and install, convenient, and arranging of pod apertures device can be derived fluid unnecessary in valve pocket, regulates the capacity in valve pocket.
As preferably, the side that described valve rod deviates from fluid passage passes described valve gap, described valve rod passes valve gap place and is provided with filler device, described valve rod passes described filler device, and the side that described valve rod passes filler device is provided with actuate valve stem and makes the operation equipment pumping.Adopt after above-mentioned preferred version, valve rod passes the better tightness at valve gap place, avoids the leakage of liquid.
As preferably, the both sides of described fluid passage are provided with adpting flange.Adopt after above-mentioned preferred version, the connection disassembling of valve body and pipeline is easier for installation, is convenient to maintenance man's maintenance.
Taper parallel type water conservancy diversion of the present utility model struts plate valve employing and is built in two seal discs in flashboard, the piece that rises, wedge-shaped blocks; can effectively protect sealing surface and the piece that rises; wedge-shaped blocks is between two seal discs; be not easy to receive pollution and the impact of medium fluid, can play good seal action and can increase the service life simultaneously.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment's structural representation;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1.
Embodiment
As Figure 1-Figure 2, embodiment of the present utility model specifically a kind of taper parallel type water conservancy diversion struts plate valve, comprises valve body 1 and valve rod 3, is provided with fluid passage 11 in valve body 1, and the both sides of fluid passage 11 are provided with adpting flange 111.In fluid passage 11, be provided with the flashboard 2 that can open and close fluid passage 11.The lower end of flashboard 2 is provided with the fluid through-hole 21 that forms fluid passage 11 conductings.One side of fluid passage 11 is provided with valve pocket 12, and valve rod 3 passes valve pocket 12.Flashboard 2 is embedded with seal arrangement 4, and seal arrangement 4 comprises two seal discs 41, and valve body 1 is provided with valve seat 13 with seal arrangement 4 cooperation places, and the outside of seal disc 41 coordinates with valve seat 13 motive sealings.Seal disc 41 is provided with saddle 411 relative on 411, two seal discs 41 of saddle by another seal disc 41 1 sides the space in seal disc 41 is divided into epicoele 412 and cavity of resorption 413.In epicoele 412, be provided with wedge-shaped blocks 42, wedge-shaped blocks 42 is connected with valve rod 3.Wedge-shaped blocks 42 is outer is arranged with axle sleeve 43, is provided with the piece 44 that rises in cavity of resorption 413, and the piece 44 that rises is made up of two pieces points of pieces 441 that rise, and divides and rises by piece 441 along fluid passage 11 direction settings.
The interface of wedge-shaped blocks 42 is I-shaped, and all sides of wedge-shaped blocks 42 are provided with annular groove 421, and axle sleeve 43 is embedded in circular groove 421, between axle sleeve 43 and circular groove 421 bottoms, is provided with ring set 45.The madial wall of ring set 45 is conical surface, and the internal diameter of ring set 45 is increased gradually by fluid passage 11 to the direction of valve pocket 12.The piece 44 that rises is I-shaped.The piece 44 that rises is provided with away from one end of valve rod 3 the piece limit dais 442 that rises.The side that seal disc 41 deviates from valve rod 3 offsets with the piece limit dais 442 that rises.Flashboard 2 forms seal disc week groove 22 by the inner side of seal disc 41 upsides with the piece limit dais 442 that rises, and seal disc 41 is embedded in all grooves 22 of seal disc.
Valve rod 3 is by one end of flashboard 2 through flashboard 2 upsides and penetrate in two epicoeles 412 seal disc 41, and one end that valve rod 3 passes in epicoele 412 is provided with valve rod fixed block 31, and valve rod fixed block 31 is connected with wedge-shaped blocks 42.The side that valve rod 3 does not penetrate flashboard 2 is provided with limiting stopper 32, limiting stopper 32 and spacing cooperation of flashboard 2 upsides, and limiting stopper 32 is positioned at valve pocket 12.Valve seat 13 is provided with valve seat insert 131 with seal disc 41 cooperation places, and seal disc 41 is provided with valve seat 13 motive sealing cooperation places the seal disc seal ring 414 coordinating with valve seat insert 131.
While closing, valve rod 3 moves downward and acts on wedge-shaped blocks 42, by two slices points of pieces 441 that rise, promotes seal disc 41 and coincide and realize sealing with valve seat 13.In the time of valve opening, valve rod 3 rises, and the rise piece 44 that rises of wedge-shaped blocks 42 inwardly shrinks, seal disc 41 moments disengaging valve seat 13, and motive sealing place zero rubs.
Claims (9)
1. a taper parallel type water conservancy diversion struts plate valve, comprise valve body and valve rod, in described valve body, be provided with fluid passage, in described fluid passage, be provided with the flashboard that can open and close fluid passage, the lower end of described flashboard is provided with the fluid through-hole that forms fluid passage conducting, one side of described fluid passage is provided with valve pocket, described valve rod passes valve pocket, it is characterized in that: described flashboard is embedded with seal arrangement, described seal arrangement comprises two seal discs, described valve body and seal arrangement cooperation place are provided with valve seat, the outside of described seal disc coordinates with described valve seat motive sealing, described seal disc is provided with saddle by another seal disc one side, the space in seal disc is divided into epicoele and cavity of resorption by saddle relative on two seal discs, in described epicoele, be provided with wedge-shaped blocks, described wedge-shaped blocks is connected with described valve rod, described wedge-shaped blocks is arranged with axle sleeve outward, in described cavity of resorption, be provided with the piece that rises, the described piece that rises is made up of two pieces points of pieces that rise, described dividing rises by piece along direction of fluid setting.
2. taper parallel type water conservancy diversion according to claim 1 struts plate valve, it is characterized in that: the interface of described wedge-shaped blocks is I-shaped, all sides of described wedge-shaped blocks are provided with annular groove, described axle sleeve is embedded in described circular groove, between described axle sleeve and circular groove bottom, be provided with ring set, the madial wall of described ring set is conical surface, and the internal diameter of described ring set is increased gradually by fluid passage to the direction of valve pocket.
3. taper parallel type water conservancy diversion according to claim 1 struts plate valve, it is characterized in that: the described piece that rises is I-shaped, the described piece that rises is provided with away from one end of valve rod the piece limit dais that rises, described seal disc deviates from a side of valve rod and the described piece limit dais that rises offsets, described flashboard forms seal disc week groove by the inner side of seal disc upside and the described piece limit dais that rises, and described seal disc is embedded in all grooves of described seal disc.
4. taper parallel type water conservancy diversion according to claim 1 struts plate valve, it is characterized in that: described valve rod by one end of flashboard through described flashboard upside and penetrate in two epicoeles seal disc, one end that described valve rod passes in epicoele is provided with valve rod fixed block, and described valve rod fixed block is connected with described wedge-shaped blocks.
5. taper parallel type water conservancy diversion according to claim 4 struts plate valve, it is characterized in that: the side that described valve rod does not penetrate flashboard is provided with limiting stopper, described limiting stopper and described spacing cooperation of flashboard upside, described limiting stopper is positioned at described valve pocket.
6. taper parallel type water conservancy diversion according to claim 1 struts plate valve, it is characterized in that: described valve seat and seal disc cooperation place are provided with valve seat insert, described seal disc is provided with valve seat motive sealing cooperation place the seal disc seal ring coordinating with valve seat insert.
7. taper parallel type water conservancy diversion according to claim 1 struts plate valve, it is characterized in that: described valve body is provided with the valve pocket half extending towards deviating from direction of fluid by a side of valve pocket, described valve pocket half upper cover is stamped valve gap, described valve pocket half and described valve gap are fixedly connected to form valve pocket described above, described valve pocket half and described valve gap fixed connection place are sealed and matched, and described valve gap is provided with the pod apertures device that can regulate valve pocket inner fluid capacity.
8. taper parallel type water conservancy diversion according to claim 7 struts plate valve, it is characterized in that: the side that described valve rod deviates from fluid passage passes described valve gap, described valve rod passes valve gap place and is provided with filler device, described valve rod passes described filler device, and the side that described valve rod passes filler device is provided with actuate valve stem and makes the operation equipment pumping.
9. taper parallel type water conservancy diversion according to claim 1 struts plate valve, it is characterized in that: the both sides of described fluid passage are provided with adpting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797935.8U CN203604678U (en) | 2013-12-05 | 2013-12-05 | Conical parallel diverting and expanding flat gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797935.8U CN203604678U (en) | 2013-12-05 | 2013-12-05 | Conical parallel diverting and expanding flat gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203604678U true CN203604678U (en) | 2014-05-21 |
Family
ID=50717352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320797935.8U Expired - Fee Related CN203604678U (en) | 2013-12-05 | 2013-12-05 | Conical parallel diverting and expanding flat gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203604678U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944956A (en) * | 2019-04-09 | 2019-06-28 | 温州市瓯斯特阀门有限公司 | A kind of super-pressure gate valve |
| CN113669473A (en) * | 2021-08-04 | 2021-11-19 | 凯瑞特阀业有限公司 | High-temperature high-pressure self-sealing parallel double-gate-plate gate valve |
| CN114017516A (en) * | 2021-11-16 | 2022-02-08 | 上海阀门厂股份有限公司 | Gate valve forced contraction mechanism |
-
2013
- 2013-12-05 CN CN201320797935.8U patent/CN203604678U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944956A (en) * | 2019-04-09 | 2019-06-28 | 温州市瓯斯特阀门有限公司 | A kind of super-pressure gate valve |
| CN109944956B (en) * | 2019-04-09 | 2024-05-28 | 温州市瓯斯特阀门有限公司 | Ultra-high pressure gate valve |
| CN113669473A (en) * | 2021-08-04 | 2021-11-19 | 凯瑞特阀业有限公司 | High-temperature high-pressure self-sealing parallel double-gate-plate gate valve |
| CN113669473B (en) * | 2021-08-04 | 2024-04-23 | 凯瑞特阀业集团有限公司 | High-temperature high-pressure self-sealing parallel double-flashboard gate valve |
| CN114017516A (en) * | 2021-11-16 | 2022-02-08 | 上海阀门厂股份有限公司 | Gate valve forced contraction mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20171205 |