CN206093018U - Can change valve stem gasket's gate valve when supplying water - Google Patents
Can change valve stem gasket's gate valve when supplying water Download PDFInfo
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- CN206093018U CN206093018U CN201620937472.4U CN201620937472U CN206093018U CN 206093018 U CN206093018 U CN 206093018U CN 201620937472 U CN201620937472 U CN 201620937472U CN 206093018 U CN206093018 U CN 206093018U
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Abstract
The utility model relates to a can change valve stem gasket's gate valve when supplying water, including valve body, valve gap, valve rod, valve -stem nut, valve plate and gland, valve gap detachable is fixed in the upper shed department of valve body, gland detachable is fixed in the upper shed department of valve gap, the gland has gland seal circle A, the gland encloses A with gland seal and presses on the valve gap, the valve rod passes the gland and the valve gap stretches into in the valve body, valve -stem nut overlaps on the valve rod with threaded connection's mode, valve -stem nut detachable is fixed in on the valve plate, be equipped with valve stem gasket between valve rod and the gland, valve rod upper portion is equipped with bellied fender ring, it has the valve -cover seal circle to keep off the ring, the utility model discloses only set up valve stem gasket between valve rod and gland, cancelled the valve stem gasket between valve rod and the valve gap, keep off setting up the valve -cover seal circle under the ring simultaneously at the valve rod, make the gate valve examine and repair, change the valve -cover seal circle when supplying water and also can guarantee to seal up.
Description
Technical field
The utility model is related to inside screw nonrising stem type gate valve technical field, more particularly to a kind of valve stem packing ring can be changed when supplying water
Gate valve.
Background technology
Gate valve is a kind of common keying valve, and the medium connected using valve plate or blocked in pipeline, gate valve extensively should
For water system.According to the difference whether valve rod lifts when opening and closing, gate valve is divided into Outside screw stem rising through handwheel type gate valve and inside screw nonrising stem type gate valve, in dark bar
In gate valve, the lifting of valve plate relies on valve rod rotational band ovable valve stem lift nut, is the close of guarantee gate valve so as to drive valve plate to lift
Envelope, is provided with seal between valve rod and valve gap and gland, these seals belong to consumable accessory, need to overhaul often, change.At present
Inside screw nonrising stem type gate valve change valve stem packing ring when, need to suspend piped water supply function in the case of change valve stem packing ring, it is time-consuming
Arduously, harmful effect is brought to productive life；The gland of current inside screw nonrising stem type gate valve and valve gap are plane contact, sealing difficulty compared with
Greatly.
The content of the invention
The utility model aims to solve the problem that the deficiencies in the prior art, and provide a kind of can change valve stem packing ring when supplying water
Gate valve.
The utility model for achieving the above object, is employed the following technical solutions：One kind can change valve stem seal when supplying water
The gate valve of circle, including valve body, valve gap, valve rod, valve stem nut, valve plate and gland, the valve gap is detachably secured to valve body
At upper shed, the gland is detachably secured at the upper shed of valve gap, and the upper of valve gap is inserted in the gland bottom in projection
Opening, the gland has gland ring A, and the gland is pressed in gland ring A on valve gap, and the valve rod is through pressure
Lid and valve gap are stretched in valve body, and the valve stem nut is enclosed within threadably on valve rod, and the valve stem nut is detachable
Be fixed on valve plate, the valve plate is provided with the through hole with diameter greater than valve rod, the valve rod in the valve body in the middle of the valve plate
Stretch in the through hole of valve plate, valve stem packing ring be provided between the valve rod and gland, the valve rod top is provided with the baffle ring of projection,
The baffle ring has valve bonnet seal circle, and the baffle ring is pressed in valve bonnet seal circle on valve gap, and the valve rod passes through valve bonnet seal
Circle, the valve bonnet seal circle internal diameter is less than stem diameter.
Gland ring B is additionally provided between described gland and valve gap.
Dust ring is additionally provided between described gland and valve rod, the dust ring is located at gland top.
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：The 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 under valve rod baffle ring, valve bonnet seal circle is close to
Valve rod, makes gate valve maintenance, replacing valve bonnet seal circle when supplying water also to ensure sealing；In the raised insertion valve gap of gland, gland with
The contact surface of valve gap does not only have plane, also there is a curved surface, and contact area is big, arranges gland ring A under gland, gland and valve gap it
Between be additionally provided with gland ring B, sealing effectiveness is more preferable.
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- gland rings
A；8- valve stem packing rings；9- gland ring B；10- dust rings；11- glands；12- handwheels；13- baffle rings；
It is described in detail referring to the drawings below with reference to embodiment of the present utility model.
Specific embodiment
With reference to the accompanying drawings and examples the utility model is described in further detail：
As shown in figure 1, a kind of gate valve that valve stem packing ring can be changed when supplying water, including valve body 1, valve gap 4, valve rod 5, valve
Stem nut 3, valve plate 2 and gland 11, the valve gap 4 is detachably secured at the upper shed of valve body 1, and the gland 11 is detachable
Be fixed at the upper shed of valve gap 4, the upper shed of valve gap 4 is inserted in the bottom of the gland 11 in projection, and the gland 11 divides into
There is gland ring A7, the gland 11 is pressed in gland ring A7 on valve gap 4, the valve rod 5 is through gland 11 and valve gap 4
Stretch in valve body 1, the valve stem nut 3 is enclosed within threadably on valve rod 5, the valve stem nut 3 is removably solid
On valve plate 2, the valve plate 2 is provided with the through hole with diameter greater than valve rod 5, the valve in valve body 1 in the middle of the valve plate 2
Bar 5 is stretched in the through hole of valve plate 2, and valve stem packing ring 8 is provided between the valve rod 5 and gland 11, and the top of the valve rod 5 is provided with convex
The baffle ring 13 for rising, the baffle ring 13 has valve bonnet seal circle 6, and the baffle ring 13 is pressed in valve bonnet seal circle 6 on valve gap 4, institute
Valve rod 5 is stated through valve bonnet seal circle 6, the internal diameter of valve bonnet seal circle 6 is less than the diameter of valve rod 5.
Gland ring B9 is additionally provided between described gland 11 and valve gap 4.
Dust ring 10 is additionally provided between described gland 11 and valve rod 5, the dust ring 10 is located at the top of gland 11.
Described valve gap 4 is with bolts with valve body 1.
Described gland 11 is with bolts with valve gap 4.
Valve seals are provided between described valve body 1 and valve gap 4.
The described top of valve rod 5 is connected with handwheel 12.
During work, rotating handwheel 12 rotates valve rod 5, and valve rod 5 produces relative rotation with valve stem nut 3, due to gland 11
Push down baffle ring 13 valve rod 5 is vertically fixed, valve stem nut 3 is lifted along valve rod 5, so as to drive valve plate 2 to lift, realize valve
Open and close, the effect of valve stem packing ring 8 is to prevent the medium in pipeline from leaking from valve rod 5, due to the presence of valve bonnet seal circle 6,
Gland ring A7, valve stem packing ring 8, gland ring B9 and dust ring 10 is set to change when supplying water.
The utility model is exemplarily described above in conjunction with accompanying drawing, it is clear that the 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 (7)
1. a kind of gate valve that valve stem packing ring can be changed when supplying water, including valve body (1), valve gap (4), valve rod (5), valve stem nut
(3), valve plate (2) and gland (11), it is characterised in that the valve gap (4) is detachably secured at the upper shed of valve body (1),
The gland (11) is detachably secured at the upper shed of valve gap (4), and valve gap is inserted in gland (11) bottom in projection
(4) upper shed, the gland (11) has gland ring A (7), and the gland (11) is pressed in gland ring A (7)
On valve gap (4), the valve rod (5) is stretched in valve body (1) through gland (11) and valve gap (4), 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) sets
In valve body (1), the through hole with diameter greater than valve rod (5) is provided with the middle of the valve plate (2), the valve rod (5) stretches into valve plate (2)
In through hole, valve stem packing ring (8) is provided between the valve rod (5) and gland (11), valve rod (5) top is provided with the gear of projection
Ring (13), the baffle ring (13) has valve bonnet seal circle (6), and valve bonnet seal circle (6) is pressed in valve gap (4) by the baffle ring (13)
On, the valve rod (5) is less than valve rod (5) diameter through valve bonnet seal circle (6), valve bonnet seal circle (6) internal diameter.
2. it is according to claim 1 can supply water when change valve stem packing ring gate valve, it is characterised in that described gland
(11) gland ring B (9) is additionally provided with and valve gap (4) between.
3. it is according to claim 1 can supply water when change valve stem packing ring gate valve, it is characterised in that described gland
(11) dust ring (10) is additionally provided with and valve rod (5) between, the dust ring (10) is positioned at gland (11) top.
4. it is according to claim 1 can supply water when change valve stem packing ring gate valve, it is characterised in that described valve gap
(4) it is with bolts with valve body (1).
5. it is according to claim 1 can supply water when change valve stem packing ring gate valve, it is characterised in that described gland
(11) it is with bolts with valve gap (4).
6. it is according to claim 1 can supply water when change valve stem packing ring gate valve, it is characterised in that described valve body
(1) valve seals are provided with and valve gap (4) between.
7. it is according to claim 1 can supply water when change valve stem packing ring gate valve, it is characterised in that described valve rod
(5) top is connected with handwheel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620937472.4U CN206093018U (en) | 2016-08-25 | 2016-08-25 | Can change valve stem gasket's gate valve when supplying water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620937472.4U CN206093018U (en) | 2016-08-25 | 2016-08-25 | Can change valve stem gasket's gate valve when supplying water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206093018U true CN206093018U (en) | 2017-04-12 |
Family
ID=58469085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620937472.4U Active CN206093018U (en) | 2016-08-25 | 2016-08-25 | Can change valve stem gasket's gate valve when supplying water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206093018U (en) |
-
2016
- 2016-08-25 CN CN201620937472.4U patent/CN206093018U/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 | ||
| 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. |