CN206036265U - Sealing gate valve with press cap - Google Patents
Sealing gate valve with press cap Download PDFInfo
- Publication number
- CN206036265U CN206036265U CN201621070522.XU CN201621070522U CN206036265U CN 206036265 U CN206036265 U CN 206036265U CN 201621070522 U CN201621070522 U CN 201621070522U CN 206036265 U CN206036265 U CN 206036265U
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- CN
- China
- Prior art keywords
- valve
- block
- valve rod
- pressure cap
- valve body
- 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 relates to a valve body, concretely relates to gate valve, further concretely relates to better gate valve of leakproofness. A sealing gate valve with press cap, is located the valve rod 2 of valve body 1 including the valve body 1 that has fluid passage and one end, 2 tops of valve rod are equipped with valve 3, 2 bottoms of valve rod are equipped with 4, the characterized in that on the flashboard who is used for blocking fluid passage, 1 top of valve body is equipped with block 5, valve rod 2 runs through block 5, be equipped with the O type sealing washer 6 of being no less than one on the valve rod 2, block a shot to be equipped with on the valve rod 2 of 5 tops and 2 junctions of valve rod and press cap 7. The utility model discloses leakproofness to valve body and valve rod is improved, has reduced the wearing and tearing of valve body and valve rod, has prolonged the life of gate valve.
Description
Technical field
This utility model is related to a kind of valve body, and in particular to a kind of gate valve, further specifically related to a kind of better tightness
Gate valve.
Background technology
Gate valve is an opening and closing element flashboard, and the opening and closing element of gate valve is flashboard, and the direction of motion and the flow direction of flashboard mutually hang down
Directly, gate valve can only make standard-sized sheet and fully closed, it is impossible to make adjustments and throttle.When gate valve is closed, sealing surface can rely only on pressure medium
To seal, that is, rely only on pressure medium and press to the valve seat of opposite side to ensure the sealing of sealing surface by the sealing surface of flashboard, this is just
It is self sealss.Most of gate valve is that flashboard is pressed to valve by external force to be relied on by force using during forced seal, i.e. valve closing
Seat, to ensure the sealing of sealing surface.
Motion mode：The flashboard of gate valve is for linear motion with valve rod, is also Outside screw stem rising through handwheel type gate valve.Generally on elevating lever
There is trapezoidal thread, by the guide groove on the nut and valve body of valve tip, rotary motion is changed into into linear motion, that is, will
Operation torque is changed into operating thrust.During Open valve, when flashboard hoisting depth is equal to 1: 1 times of valve latus rectum, fluid it is logical
Road is completely unimpeded.When actually used, it is using the summit of valve rod as mark, that is, to open motionless position, as its fully open position.
Current gate valve as the abrasion of screw rod and valve body can affect the sealing of gate valve, is made after multiple open and close
Leak outside into fluid；Gate valve cannot be keeped in repair again after gate valve leakage, need to change gate valve, be caused greatly loss and wave
Take.
The content of the invention
This utility model solves the problems referred to above, and a kind of seal gate valve for being provided with pressure cap, to valve body and the sealing of valve rod
Improved, reduced the abrasion of valve body and valve rod, extended the service life of gate valve.
This is solved the above problems by following technical solution using new：
A kind of seal gate valve for being provided with pressure cap, is located at the valve rod in valve body 1 including the valve body 1 with fluid passage and one end
2, valve 3 is provided with the top of the valve rod 2,2 bottom of the valve rod is provided with the flashboard 4 for block fluid passage, it is characterized by, institute
State and at the top of valve body 1, be provided with block 5, the valve rod 2 runs through block 5, the valve rod 2 is provided with the O-ring seal no less than
6, pressure cap 7 is provided with the valve rod 2 of 2 junction of valve rod at the top of the block 5.
Optimization of the present utility model, according to a kind of seal gate valve for being provided with pressure cap described above, it is characterized by the lid
Cap 5 is provided with draw-in groove, the vertical valve rod 2 of the draw-in groove, and the O-ring seal 6 is in draw-in groove.
Further optimize, a kind of seal gate valve for being provided with pressure cap according to the top, it is characterized by 5 He of the block
Connected by thread seal between valve rod 2.
Further optimize, a kind of seal gate valve for being provided with pressure cap according to the top, it is characterized by 7 He of the pressure cap
Connected by thread seal between valve rod 2.
Further optimize, a kind of seal gate valve for being provided with pressure cap according to the top, it is characterized by 5 He of the block
Rubber cushion is provided between pressure cap 7.
Further optimize, a kind of seal gate valve for being provided with pressure cap according to the top, it is characterized by the valve body 1
Surfaces externally and internally scribbles epoxy coating.
Further optimize, a kind of seal gate valve for being provided with pressure cap according to the top, it is characterized by 5 He of the block
It is fixedly connected by bolt 9 at the top of valve body 1.
Further optimize, according to a kind of seal gate valve for being provided with pressure cap described above, it is characterized by the spiral shell of the bolt 9
Rubber cushion is provided between at the top of cap and valve body 1.
Compared with prior art, the beneficial effects of the utility model are：Arrange no less than one at this utility model block
O-ring seal, O-ring seal enhances the sealing between valve body and valve rod；Pressure cap is further clamped block and valve body
Be tightly connected, with reference to the O-ring seal in block, reduce abrasion of the block in valve body vibration；Between block and pressure cap
Rubber cushion is provided with, and has been buffered the damage to pressure cap in vibration equipment, and valve has been reduced during open and close, to pressure cap
Abrasion；Block and body top are bolted, and are provided with rubber cushion between the nut and body top of bolt, further increase
Strong sealing between block and valve body, and rubber cushion has buffered damage of the vibration to valve body.
Description of the drawings
Fig. 1 is a kind of seal gate valve structural representation for being provided with pressure cap of specific embodiment one；
Fig. 2 is a kind of seal gate valve structural representation for being provided with pressure cap of specific embodiment two；
In figure：Valve body -1, valve rod -2, valve -3, flashboard -4, block -5, O-ring seal -6, pressure cap -7, bolt -9.
Specific embodiment
In order that technological means of the present utility model, creation characteristic, reached purpose and effect are easy to understand, in conjunction with
Specific embodiments and the drawings, are further elaborated to this utility model.
Embodiment one：As shown in Figure of description 1：A kind of seal gate valve for being provided with pressure cap, including with fluid passage
Valve body 1 and one end are located at the valve rod 2 in valve body 1, are provided with valve 3 at the top of the valve rod 2, and 2 bottom of the valve rod is provided with for hindering
The flashboard 4 of disconnected fluid passage, is provided with block 5 at the top of the valve body 1, the valve rod 2 runs through block 5, and the valve rod 2 is provided with three
Individual O-ring seal 6, is provided with pressure cap 7 with the valve rod 2 of 2 junction of valve rod at the top of the block 5.
The block 5 is provided with draw-in groove, the vertical valve rod 2 of the draw-in groove, and the O-ring seal 6 is in draw-in groove.
Connected by thread seal between the block 5 and valve rod 2；Pass through thread seal between the pressure cap 7 and valve rod 2
Connection.
Using this specific embodiment, three O-ring seals are set at block, O-ring seal enhance valve body and valve rod it
Between sealing；Pressure cap is further clamped being tightly connected for block and valve body, with reference to the O-ring seal in block, reduces
Abrasion of the block in valve body vibration.
Embodiment two：As shown in Figure of description 2：A kind of seal gate valve for being provided with pressure cap, including with fluid passage
Valve body 1 and one end are located at the valve rod 2 in valve body 1, are provided with valve 3 at the top of the valve rod 2, and 2 bottom of the valve rod is provided with for hindering
The flashboard 4 of disconnected fluid passage, it is characterized by, block 5 is provided with the top of the valve body 1, the valve rod 2 runs through block 5, the valve rod
2 are provided with the O-ring seal 6 no less than, are provided with pressure cap 7 with the valve rod 2 of 2 junction of valve rod at the top of the block 5.
The block 5 is provided with draw-in groove, the vertical valve rod 2 of the draw-in groove, and the O-ring seal 6 is in draw-in groove；The block
Connected by thread seal between 5 and valve rod 2；Connected by thread seal between the pressure cap 7 and valve rod 2.It is concrete using this
Embodiment, arranges three O-ring seals at block, O-ring seal enhances the sealing between valve body and valve rod；Pressure cap enters one
Step is clamped being tightly connected for block and valve body, with reference to the O-ring seal in block, reduces mill of the block in valve body vibration
Damage.
Rubber cushion is provided between the block 5 and pressure cap 7, the damage to pressure cap in vibration equipment has been buffered, and has been reduced
Abrasion of the valve during open and close, to pressure cap.
The surfaces externally and internally of the valve body 1 scribbles epoxy coating, it is to avoid the septic yeast of metal surface.
The block 5 is fixedly connected by bolt 9 with the top of valve body 1, at the top of the nut of the bolt 9 and valve body 1 between
Rubber cushion is provided with, the sealing between block and valve body is further enhancing, and rubber cushion has been buffered damage of the vibration to valve body.
Ultimate principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, retouching in above-described embodiment and description
Preference only of the present utility model is stated, this utility model is not limited by above-mentioned preference, without departing from this utility model
On the premise of spirit and scope, this utility model can also have various changes and modifications, and these changes and improvements both fall within practical
In new claimed scope.
Claims (8)
1. a kind of seal gate valve for being provided with pressure cap, is located at the valve in valve body (1) including the valve body with fluid passage (1) and one end
Bar (2), is provided with valve (3) at the top of valve rod (2), valve rod (2) bottom is provided with the flashboard for block fluid passage
(4), it is characterized by, be provided with block (5) at the top of valve body (1), described valve rod (2) run through block (5), on valve rod (2)
The O-ring seal (6) no less than one is provided with, and at the top of block (5), pressure is provided with the valve rod (2) of valve rod (2) junction
Cap (7).
2. a kind of seal gate valve for being provided with pressure cap according to claim 1, it is characterized by the block (5) and valve rod (2)
Draw-in groove is provided with, the draw-in groove is vertical valve rod (2), described O-ring seal (6) are in draw-in groove.
3. a kind of seal gate valve for being provided with pressure cap according to claim 1, it is characterized by the block (5) and valve rod (2)
Between by thread seal connect.
4. a kind of seal gate valve for being provided with pressure cap according to claim 1, it is characterized by the pressure cap (7) and valve rod (2)
Between by thread seal connect.
5. a kind of seal gate valve for being provided with pressure cap according to claim 1, it is characterized by the block (5) and pressure cap (7)
Between be provided with rubber cushion.
6. a kind of seal gate valve for being provided with pressure cap according to claim 1, it is characterized by the surfaces externally and internally of the valve body (1)
Scribble epoxy coating.
7. a kind of seal gate valve for being provided with pressure cap according to claim 1, it is characterized by the block (5) and valve body (1)
Top is fixedly connected by bolt (9).
8. a kind of seal gate valve for being provided with pressure cap according to claim 7, it is characterized by the nut and valve of the bolt (9)
Rubber cushion is provided between at the top of body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621070522.XU CN206036265U (en) | 2016-09-22 | 2016-09-22 | Sealing gate valve with press cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621070522.XU CN206036265U (en) | 2016-09-22 | 2016-09-22 | Sealing gate valve with press cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206036265U true CN206036265U (en) | 2017-03-22 |
Family
ID=58296340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621070522.XU Active CN206036265U (en) | 2016-09-22 | 2016-09-22 | Sealing gate valve with press cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206036265U (en) |
-
2016
- 2016-09-22 CN CN201621070522.XU patent/CN206036265U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |