CN207830701U - A kind of flat gate valve - Google Patents
A kind of flat gate valve Download PDFInfo
- Publication number
- CN207830701U CN207830701U CN201820078763.1U CN201820078763U CN207830701U CN 207830701 U CN207830701 U CN 207830701U CN 201820078763 U CN201820078763 U CN 201820078763U CN 207830701 U CN207830701 U CN 207830701U
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- CN
- China
- Prior art keywords
- valve
- filler
- ladder
- trim ring
- pressing plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of flat gate valves, it include valve body, valve seat, valve deck, flashboard, holder, valve rod, filler device, pressing plate and driving mechanism composition, filler device includes ladder trim ring, first filler and the second filler, first filler is set between the valve rod of packing cavity bottom and valve deck inner wall, the ladder trim ring includes step, top and lower part, the lower part of the ladder trim ring is fitted in above the first filler, and the upper top of ladder trim ring extends to contact pressing plate bottom surface, second filler is set to above the step between the top and valve rod of ladder trim ring and is pressed through pressing plate.By pressing plate to the pressure of trim ring and ladder trim ring, realizes the sealing of the first filler and the second filler between valve rod and valve deck, be additionally arranged multiple-sealed setting, ensure that the sealing performance of valve, usage time is more permanent, and leakage rate is greatly reduced.
Description
Technical field
The utility model is related to valve field, specifically a kind of flat gate valve.
Background technology
Flat gate valve is generally made of valve body, valve seat, valve deck, flashboard, holder, valve rod, filler device and driving mechanism, valve
It is equipped with valve chamber in vivo, valve seat is separately mounted to the import and export of valve chamber, and flashboard liftable is movable to be set in valve seat, flashboard two
There is mutually matched sealing surface, upper end and the valve rod fixation of flashboard to be linked, valve deck is covered between side plane and valve seat
Valve body upper end oral area, valve deck top are equipped with packing cavity, and filler device is pressed in packing cavity through pressing plate, is passed through between valve rod and valve deck
Filler device sealing cooperation, holder are installed on valve deck, and handwheel or motor drive mechanism can be used in driving mechanism.Existing Flat Sluice
It is also simple rubber seal filler that filler device on valve, which uses, and medium can be flowed out out of valve chamber, influence whole sealing
Matching property has poor reliability.
Invention content
The purpose of this utility model：In order to overcome the deficiencies of existing technologies, the utility model provides the one of good airproof performance
Kind flat gate valve.
The technical solution of the utility model：Include valve body, valve seat, valve deck, flashboard, holder, valve rod, filler device, pressure
Plate and driving mechanism composition, valve body is interior to be equipped with valve chamber, and valve seat is separately mounted to the import and export of valve chamber, and flashboard liftable is movable
It is set in valve seat, there is mutually matched sealing surface, upper end and the valve rod of flashboard are fixed between two side plane of flashboard and valve seat
It is linked, valve deck is covered on valve body upper end oral area, and valve deck top is equipped with packing cavity, and filler device is pressed through pressing plate in packing cavity
It is interior, it seals and coordinates through filler device between valve rod and valve deck, holder is installed on valve deck, and the filler device includes ladder pressure
Circle, the first filler and the second filler, first filler is set between the valve rod of packing cavity bottom and valve deck inner wall, described
Ladder trim ring includes step, top and lower part, and the lower part of the ladder trim ring is fitted in above the first filler, and ladder pressure
The upper top of circle extends to contact pressing plate bottom surface, and second filler is set to the platform between the top and valve rod of ladder trim ring
It is pressed above rank and through pressing plate.
Further, be additionally provided with trim ring above the second filler, the trim ring be set to ladder trim ring top and valve rod it
Between step above and be pressed through pressing plate.
Still further, having gap below the step of ladder trim ring between valve deck inner wall.
Again further, pressing plate, holder and valve deck three are connected through a screw thread.
Using above-mentioned technical proposal, by pressing plate to the pressure of trim ring and ladder trim ring, realize that the first filler and second is filled out
Expect the sealing between valve rod and valve deck, is additionally arranged multiple-sealed setting, ensure that the sealing performance of valve, usage time is more
For a long time, leakage rate is greatly reduced.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model specific embodiment；
Fig. 2 is the enlarged drawing at A in the utility model Fig. 1；
Wherein, valve body 1, valve seat 2, valve deck 3, flashboard 4, holder 5, valve rod 6, filler device 7, pressing plate 8, valve chamber 11, first
Filler 71, the second filler 72, ladder trim ring 73, step 731, top 732, lower part 733, bolt 81, gap 74, trim ring 75.
Specific implementation mode
A kind of flat gate valve as shown in Figure 1 and Figure 2 includes valve body 1, valve seat 2, valve deck 3, flashboard 4, holder 5, valve rod
6, filler device 7, pressing plate 8 and driving mechanism, valve body 1 is interior to be equipped with valve chamber 11, and valve seat 2 is separately mounted to the inlet and outlet of valve chamber 11
Place, 4 liftable of flashboard is movable to be set in valve seat 2, has mutually matched sealing between 4 liang of side planes of flashboard and valve seat 2
Face, upper end and the fixation of valve rod 6 of flashboard 4 are linked, and valve deck 3 is covered on 1 upper end oral area of valve body, and 3 top of valve deck is equipped with filler
Chamber, filler device 7 are pressed through pressing plate 8 in packing cavity, seal cooperation through filler device 7 between valve rod 6 and valve deck 3, holder 5 is pacified
Loaded on valve deck 3, filler device 7 includes ladder trim ring 73, the first filler 71 and the second filler 72, the setting of the first filler 71
It in packing cavity bottom, and is sleeved on outside valve rod 6 and is installed in valve deck 3 outside, ladder trim ring 73 is in " Z " font by the section at center
State, and include step 731, top 732 and lower part 733, the lower part 733 of ladder trim ring 73 is for being fitted in the first filler 71
On, through step 731 out to top 732, the top surface on 73 top 732 of ladder trim ring contacts pressing plate 8 for the lower part 733 of ladder trim ring 73
The outside of bottom surface, ladder trim ring top 732 is mounted in holder 5, and the second filler 72 is set to 731 top of step, and housing
It is installed on outside valve rod 6 in the top 732 of ladder trim ring 73, pressing plate 8 then contacts the second filler 72 and ladder trim ring 73 simultaneously
With being directly pressed the second filler 72 and being pressed the first filler 71 by ladder trim ring 73, pressing plate 8 can be used for top 732, i.e. pressing plate 8
Bolt 81 is installed on valve deck 3.Have gap 74, pressing plate 8 logical between 731 lower section of step of ladder trim ring 73 and 3 inner wall of valve deck
Cross bolt 81 connecting bracket 5 and valve deck 3 simultaneously.When installation, pressing plate 8 is fitted in by bolt 81 on holder 5, and pressing plate 8 is to ladder
Trim ring 73 applies pressure, and gap 74 is capable of providing ladder trim ring 73 to the pressure space of the first filler 71, realizes the first filler
71 sealing effect, meanwhile, pressing plate 8 is directly fitted on the second filler 72, reaches the sealing purpose of the second filler 72.
The top of second filler 72 is additionally provided with trim ring 75, and trim ring 75 is set between 73 top 732 of ladder trim ring and valve rod 6
The top of step 731, and be in direct contact pressing plate 8 and be pressed by pressing plate 8, trim ring 75 can select the trim ring 75 of proper height, meet
The seal request of second filler 72, reaches most suitable sealing effect.
Claims (4)
1. a kind of flat gate valve includes valve body, valve seat, valve deck, flashboard, holder, valve rod, filler device, pressing plate and driving machine
Structure forms, and valve chamber is equipped in valve body, and valve seat is separately mounted to the import and export of valve chamber, and flashboard liftable is movable to be set to valve seat
It is interior, there is mutually matched sealing surface, upper end and the valve rod fixation of flashboard to be linked, valve between two side plane of flashboard and valve seat
It is covered on valve body upper end oral area, valve deck top is equipped with packing cavity, and filler device is pressed through pressing plate in packing cavity, valve rod and valve
It seals and coordinates through filler device between lid, holder is installed on valve deck, it is characterised in that：The filler device includes ladder pressure
Circle, the first filler and the second filler, first filler is set between the valve rod of packing cavity bottom and valve deck inner wall, described
Ladder trim ring includes step, top and lower part, and the lower part of the ladder trim ring is fitted in above the first filler, and ladder pressure
The upper top of circle extends to contact pressing plate bottom surface, and second filler is set to the platform between the top and valve rod of ladder trim ring
It is pressed above rank and through pressing plate.
2. a kind of flat gate valve according to claim 1, it is characterised in that：It is additionally provided with pressure above second filler
Circle, the trim ring are set to above the step between ladder trim ring top and valve rod and are pressed through pressing plate.
3. a kind of flat gate valve according to claim 1 or 2, it is characterised in that：Below the step of the ladder trim ring with
There is gap between valve deck inner wall.
4. a kind of flat gate valve according to claim 3, it is characterised in that：The pressing plate, holder and valve deck three pass through
It is threadedly coupled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820078763.1U CN207830701U (en) | 2018-01-17 | 2018-01-17 | A kind of flat gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820078763.1U CN207830701U (en) | 2018-01-17 | 2018-01-17 | A kind of flat gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207830701U true CN207830701U (en) | 2018-09-07 |
Family
ID=63393427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820078763.1U Active CN207830701U (en) | 2018-01-17 | 2018-01-17 | A kind of flat gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207830701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999989A (en) * | 2018-09-10 | 2018-12-14 | 铜陵爱阀科技有限公司 | A kind of gate valve easy to repair |
-
2018
- 2018-01-17 CN CN201820078763.1U patent/CN207830701U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999989A (en) * | 2018-09-10 | 2018-12-14 | 铜陵爱阀科技有限公司 | A kind of gate valve easy to repair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 261000 Huizhi Industrial Park, Yuandu, Zhongnan high tech Zone, taixiang street and Wenhua Road, Weifang Economic Development Zone, Shandong Province 91 Patentee after: SHANDONG HUGONG VALVE MANUFACTURING CO.,LTD. Address before: 261000 2-2211, complex building 12, Qinghe Park, No. 5738, Dongfeng East Street, high tech Zone, Weifang City, Shandong Province Patentee before: SHANDONG HUGONG VALVE MANUFACTURING CO.,LTD. |