CN206072507U - It is a kind of can it is with pressure change valve stem packing ring gate valve - Google Patents
It is a kind of can it is with pressure change valve stem packing ring gate valve Download PDFInfo
- Publication number
- CN206072507U CN206072507U CN201620937180.0U CN201620937180U CN206072507U CN 206072507 U CN206072507 U CN 206072507U CN 201620937180 U CN201620937180 U CN 201620937180U CN 206072507 U CN206072507 U CN 206072507U
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- Prior art keywords
- valve
- gland
- gap
- rod
- packing ring
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Links
- 238000012856 packing Methods 0.000 title claims abstract description 27
- 210000004907 gland Anatomy 0.000 claims abstract description 37
- 239000000428 dust Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000009931 harmful effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Details Of Valves (AREA)
Abstract
This utility model be it is a kind of can it is with pressure change valve stem packing ring gate valve，Including valve body、Valve gap、Valve rod、Valve stem nut、Valve plate and gland，The valve gap is detachably secured at the upper shed of valve body，The gland is detachably secured at the upper shed of valve gap，The valve rod passes through gland and valve gap to stretch in valve body，The valve stem nut is enclosed within valve rod threadably，The valve stem nut is detachably secured on valve plate，The valve plate is in valve body，Valve stem packing ring is provided between the valve rod and gland，The valve gap inner chamber top is provided with valve bonnet seal circle，The valve rod passes through valve bonnet seal circle，This utility model arranges valve stem packing ring only between valve rod and gland，Eliminate the valve stem packing ring between valve rod and valve gap，Valve bonnet seal circle is set on valve gap inner chamber top simultaneously，Valve bonnet seal circle is close to valve rod，Make gate valve that valve bonnet seal circle is changed in work with pressure and can also ensure sealing.
Description
Technical field
This utility model is related to inside screw nonrising stem type gate valve technical field, more particularly to it is a kind of can the lock that change valve stem packing ring with pressure
Valve.
Background technology
Gate valve is a kind of common keying valve, the medium connected using valve plate or blocked in pipeline.In inside screw nonrising stem type gate valve,
The lifting of valve plate rely on valve rod rotational band ovable valve stem lift nut, so as to drive valve plate to lift, be ensure gate valve sealing, valve rod
Sealing member is provided between valve gap and gland, these sealing members belong to consumable accessory, needs to change often.Current inside screw nonrising stem type gate valve exists
When changing valve stem packing ring, typically carry out in the state of not with pressure, i.e., must be in the case where piped water supply function be suspended more
Valve stem packing ring is changed, is wasted time and energy, harmful effect is brought to productive life.
The content of the invention
This utility model aims to solve the problem that the deficiencies in the prior art, and provide it is a kind of can the lock that change valve stem packing ring with pressure
Valve.
This utility model for achieving the above object, is employed the following technical solutions：It is a kind of with pressure to change valve stem packing ring
Gate valve, including valve body, valve gap, valve rod, valve stem nut, valve plate and gland, the valve gap be detachably secured to valve body on open
At mouthful, the gland is detachably secured at the upper shed of valve gap, and the valve rod passes through gland and valve gap to stretch in valve body, institute
State valve stem nut to be enclosed within valve rod threadably, the valve stem nut is detachably secured on valve plate, the valve
Plate is provided with the through hole with diameter greater than valve rod in valve body in the middle of the valve plate, the valve rod is stretched in the through hole of valve plate, described
Valve rod top is provided with annular groove, and snap ring is provided with the annular groove, and the gland pushes down snap ring, and the snap ring pushes down valve gap, institute
State, the valve gap inner chamber top is provided with valve bonnet seal circle, the valve rod passes through valve
Cover seal circle, the valve bonnet seal circle internal diameter are less than stem diameter.
Gland ring is provided between described gland and valve gap.
Dust ring is additionally provided between described gland and valve rod, the dust ring is located at the top of gland.
Axle sleeve is additionally provided with below described snap ring, the valve rod passes through axle sleeve.
Described valve gap is with bolts with valve body.
Described gland is with bolts with valve gap.
Valve seals are provided between described valve body and valve gap.
Described valve stem top is connected with handwheel.
The beneficial effects of the utility model are：This utility model arranges valve stem packing ring only between valve rod and gland, takes
The valve stem packing ring disappeared between valve rod and valve gap, while arranging valve bonnet seal circle on valve gap inner chamber top, valve bonnet seal circle is tight
Patch valve rod, makes gate valve that valve bonnet seal circle is changed in work with pressure and can also ensure sealing, also, due to need to only change valve rod with pressure
Valve stem packing ring between lid, reduces replacing difficulty, reduces workload, need not suspend pipeline when valve stem packing ring is changed
Supply water, it is to avoid harmful effect to productive life.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
In figure：1- valve bodies；2- valve plates；3- valve stem nuts；4- valve gaps；5- valve rods；6- valve bonnet seal circles；7- axle sleeves；8- is pressed
Cover seal circle；9- snap rings；10- valve stem packing rings；11- dust rings；12- glands；13- handwheels；
It is described in detail below with reference to embodiment of the present utility model referring to the drawings.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples：
As shown in figure 1, it is a kind of can the gate valve that change valve stem packing ring with pressure, including valve body 1, valve gap 4, valve rod 5, valve rod spiral shell
Female 3, valve plate 2 and gland 12, the valve gap 4 are detachably secured at the upper shed of valve body 1, and the gland 12 is dismountable solid
At the upper shed of valve gap 4, the valve rod 5 passes through gland 12 and valve gap 4 to stretch in valve body 1, and the valve stem nut 3 is with screw thread
The mode of connection is enclosed within valve rod 5, and the valve stem nut 3 is detachably secured on valve plate 2, and the valve plate 2 is located at valve body 1
It is interior, the through hole with diameter greater than valve rod 5 is provided with the middle of the valve plate 1, the valve rod 5 is stretched in the through hole of valve plate 2, the valve rod 5
Top is provided with annular groove, and snap ring 9 is provided with the annular groove, and the gland 12 pushes down snap ring 9, and the snap ring 9 pushes down valve gap 4,
Valve stem packing ring 10 is provided between the valve rod 5 and gland 12,4 inner chamber top of the valve gap is provided with valve bonnet seal circle 6, the valve
Bar 5 passes through valve bonnet seal circle 6,6 internal diameter of valve bonnet seal circle to be less than 5 diameter of valve rod.
Gland ring 8 is provided between described gland 12 and valve gap 4.
Dust ring 11 is additionally provided between described gland 12 and valve rod 5, the dust ring 11 is located at the top of gland 12.
Axle sleeve 7 is additionally provided with below described snap ring 9, the valve rod 5 passes through axle sleeve 7.
Described valve gap 4 is with bolts with valve body 1.
Described gland 12 is with bolts with valve gap 4.
Valve seals are provided between described valve body 1 and valve gap 4.
Handwheel 13 is connected with the top of described valve rod 5.
During work, rotating handwheel 13 rotates valve rod 5, and valve rod 5 is produced relative rotation with valve stem nut 3, as snap ring 9 will
Valve rod 5 is vertical fixed, valve stem nut 3 is lifted along valve rod 5, so as to drive valve plate 2 to lift, realizes the keying of valve, and valve rod is close
The effect of seal 10 is to prevent the medium in pipeline from leaking from valve rod 5, due to the presence of valve bonnet seal circle 6, makes valve stem seal
Circle 10 and dust ring 11 can be with replacings with pressure.
This utility model is exemplarily described above in conjunction with accompanying drawing, it is clear that this utility model is implemented not to be received
The restriction of aforesaid way, if the various improvement that method design of the present utility model and technical scheme are carried out are employed, or without
Improvement directly applies to other occasions, within protection domain of the present utility model.
Claims (8)
1. it is a kind of can it is with pressure change valve stem packing ring gate valve, including valve body (1), valve gap (4), valve rod (5), valve stem nut (3),
Valve plate (2) and gland (12), it is characterised in that the valve gap (4) is detachably secured at the upper shed of valve body (1), described
Gland (12) is detachably secured at the upper shed of valve gap (4), and the valve rod (5) is stretched into through gland (12) and valve gap (4)
In valve body (1), the valve stem nut (3) is enclosed within valve rod (5) threadably, and the valve stem nut (3) is detachable
Be fixed on valve plate (2), the valve plate (2) is provided with diameter greater than valve rod (5) in the middle of the valve plate (2) in the valve body (1)
Through hole, the valve rod (5) stretched in the through hole of valve plate (2), and valve rod (5) top is provided with annular groove, in the annular groove
Snap ring (9) is provided with, the gland (12) pushes down snap ring (9), and the snap ring (9) pushes down valve gap (4), the valve rod (5) and gland
(12) valve stem packing ring (10) is provided between, valve gap (4) the inner chamber top is provided with valve bonnet seal circle (6), and the valve rod (5) is worn
Valve bonnet seal circle (6) is crossed, valve bonnet seal circle (6) internal diameter is less than valve rod (5) diameter.
2. it is according to claim 1 can it is with pressure change valve stem packing ring gate valve, it is characterised in that described gland (12)
Gland ring (8) is provided between valve gap (4).
3. it is according to claim 1 can it is with pressure change valve stem packing ring gate valve, it is characterised in that described gland (12)
Dust ring (11) is additionally provided between valve rod (5), the dust ring (11) is at the top of gland (12).
4. it is according to claim 1 can it is with pressure change valve stem packing ring gate valve, it is characterised in that described snap ring (9)
Lower section is additionally provided with axle sleeve (7), and the valve rod (5) is through axle sleeve (7).
5. it is according to claim 1 can it is with pressure change valve stem packing ring gate valve, it is characterised in that described valve gap (4)
It is with bolts with valve body (1).
6. it is according to claim 1 can it is with pressure change valve stem packing ring gate valve, it is characterised in that described gland (12)
It is with bolts with valve gap (4).
7. it is according to claim 1 can it is with pressure change valve stem packing ring gate valve, it is characterised in that described valve body (1)
Valve seals are provided between valve gap (4).
8. it is according to claim 1 can it is with pressure change valve stem packing ring gate valve, it is characterised in that described valve rod (5)
Top is connected with handwheel (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620937180.0U CN206072507U (en) | 2016-08-25 | 2016-08-25 | It is a kind of can it is with pressure change valve stem packing ring gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620937180.0U CN206072507U (en) | 2016-08-25 | 2016-08-25 | It is a kind of can it is with pressure change valve stem packing ring gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206072507U true CN206072507U (en) | 2017-04-05 |
Family
ID=58431296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620937180.0U Active CN206072507U (en) | 2016-08-25 | 2016-08-25 | It is a kind of can it is with pressure change valve stem packing ring gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206072507U (en) |
-
2016
- 2016-08-25 CN CN201620937180.0U patent/CN206072507U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 301802 Tianjin Industrial Park, Baodi District, No. 5 road, No. nine Patentee after: Swaziland valve Limited by Share Ltd Address before: 301802 Tianjin Industrial Park, Baodi District, No. 5 road, No. nine Patentee before: Bonasiwei Valve Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |