CN207715782U - A kind of gate valve - Google Patents
A kind of gate valve Download PDFInfo
- Publication number
- CN207715782U CN207715782U CN201721251440.XU CN201721251440U CN207715782U CN 207715782 U CN207715782 U CN 207715782U CN 201721251440 U CN201721251440 U CN 201721251440U CN 207715782 U CN207715782 U CN 207715782U
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- valve
- cap
- deck
- copper cap
- valve rod
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Abstract
The utility model discloses a kind of gate valves, including valve body, valve deck, spool, valve rod, thrust pad, embedded copper cap, locking cover etc., the gate valve use is in water piping system, annular convex platform is provided on valve rod, its outer rim is hemispherical, and shape is adapted therewith for matched thrust pad, embedded copper cap, assembles up similar ball bearing, not only valve rod intensity can ensure, and can reduce gate valve torque；Embedded copper cap and valve deck assembly are simple, are not necessarily to any additional frock clamp, only need one angle of hand-turning can (60 °)；Locking cover is integral type injection molding, and assembly is simple, is not necessarily to any additional frock clamp, only need to be manually pressed into valve deck, and three stabilizer blade bands are gradient, and plastic part has certain elasticity, strut, can be effectively locked automatically after being packed into valve deck.It has been finally reached the purpose for facilitating routine use and maintenance.
Description
Technical field
The utility model belongs to plumbing equipment technical field, and in particular to a kind of gate valve.
Background technology
Gate valve (gate valve) is an opening and closing element flashboard, and the direction of motion and flow direction of flashboard are perpendicular, can be with
Opening and closing is with switching flow.Its motion mode is that the flashboard of gate valve is for linear motion with valve rod, is also Outside screw stem rising through handwheel type gate valve.It is logical
Often there is trapezoidal thread on elevating lever, by the guide groove on the nut and valve body of valve tip, rotary motion is become into straight line
Movement, that is, become operation torque to operate thrust.Some valve rod nut for gate valve are located on flashboard, hand wheel rotating band ovable valve stem
Rotation, and flashboard is made to be promoted, this valve is called swingle gate valve or is inside screw nonrising stem type gate valve.
But no matter which kind of gate valve, be required for driving valve plate by valve rod, and present valve rod is not limited in valve cover portion
Position device, or limited by the way of square boss.There is no limiting device, then valve rod easily slides out of control, and use side
Shape boss needs larger torque that could start in use, easily damages valve rod.Moreover, when valve rod is installed, to use various special
Frock clamp could be installed, time-consuming and laborious.
In addition, the top of present valve deck is sealed using folder cap and bolt, and sealing effect is general, behaviour
Make complicated.
Invention content
For deficiencies of the prior art, long, peace that the purpose of this utility model is to provide a kind of service lifes
Fill gate valve convenient, convenient for maintenance.
To achieve the goals above, the technical solution adopted in the utility model is as follows：
As shown in Figure 1, 2, 3, a kind of gate valve, including valve body, valve deck, valve plate, spool and valve rod, the valve deck are mounted on valve
On body, fluid channel is equipped in the valve body, the valve plate is arranged in fluid channel, the cavity that the valve deck is formed with valve body
Spool described in interior filling, the spool offer tapped through hole, and one end of the valve rod passes through in spool and fluid channel
Valve plate connects, and the other end of the valve rod is pierced by the valve deck and the outside positioned at valve deck, the lower part setting of the valve rod
There is screw thread, for forming transmission cooperation with tapped through hole；Annular convex platform, the ring are provided on the outer diameter on the top of the valve rod
The outer rim of shape boss is hemispherical；Thrust pad and embedded copper cap are provided in the valve deck；Trepanning is used among the thrust pad
In across the valve rod, which is sheathed on the outside of the lower half portion of the annular convex platform, shape and the annular
The shape of the lower half portion of boss is adapted；The embedded copper cap is in hollow tubular, described for across the valve rod
The lower part of embedded copper cap be in contact with the top half of the annular convex platform, the top half of shape and the annular convex platform
It is adapted；The thrust pad and embedded copper cap are interlocked to form boss accommodating cavity.
Further, the outer tube wall of the embedded copper cap is uniformly arranged that there are three fan-shaped protrusion, two neighboring institutes along its circumferential direction
The angle for stating fan-shaped protrusion is 60 °, and the central angle of the fan-shaped protrusion is 60 °, the length phase of length and the embedded copper cap
Unanimously；The section adaptable with the fan-shaped protrusion is offered in the through-hole at the top of the top of the valve deck to boss accommodating cavity
For fan-shaped slideway, for installing the embedded copper cap.
Further, the top open part of the valve deck is provided with locking cover, is used for sealed valve cap；The locking cover packet
Include ring cap and three fan-shaped stabilizer blades；The diameter of the middle through-hole of the ring cap and the outer diameter of the valve rod are adapted；It is described
The outer diameter on the top of ring cap is more than lower part, stepped on the section of thickness direction；Outside the lower part of the ring cap
Diameter is directly adapted with the open-topped of the valve deck；The angle of the two neighboring fan-shaped stabilizer blade is 60 °, the fan-shaped branch
The upper end of foot is fixed on the lower part of the ring cap, and lower end extends to the inclined downward of the axis far from the ring cap.
Further, the lower end of the fan-shaped stabilizer blade is provided with dovetail groove.
Further, the material of the embedded copper cap is brass.
Further, the material of the thrust pad is elastoplastic or rubber.
Further, it is provided with mounting hole on the valve rod outside the valve deck, for installing handwheel.
Further, it is provided with the ring flange vertical with the axis of fluid channel on the valve body of the fluid channel two.
Further, the locking cover is by integrally moulded.
Compared with prior art, the utility model has the advantages that：
1, annular convex platform is made hemispherical, and matched thrust pad, embedded copper cap also do glomeration, assemble up similar
Ball bearing, not only valve rod intensity can ensure, and can reduce gate valve torque.
2, it embeds copper cap and valve deck assembly is simple, be not necessarily to any additional frock clamp, only need one angle of hand-turning
It can (60 °).
3, locking cover is integral type injection molding, and assembly is simple, is not necessarily to any additional frock clamp, only need to be manually pressed into valve
Lid, three fan-shaped stabilizer blade bands are gradient, and plastic part has certain elasticity, struts, can be effectively locked automatically after being packed into valve deck
It is fixed.It has been finally reached the purpose for facilitating routine use and maintenance.
4, the utility model service life is long, install convenient, convenient for safeguarding.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the partial enlarged view of the utility model；
Fig. 3 is the stem structure schematic diagram of the utility model；
Fig. 4 is the vertical view of embedded copper cap；
Fig. 5 is locking cover structural schematic diagram.
In attached drawing：1-valve body；2-valve decks；3-valve plates；4-spools；5-valve rods；51-annular convex platform；6-thrusts
Pad；7-embedded copper caps；8-locking covers；81-fan-shaped stabilizer blades.
Specific implementation mode
The utility model is described in further detail with reference to specific embodiment.
A kind of gate valve, including valve body 1, valve deck 2, valve plate 3, spool 4 and valve rod 5, the valve deck 2 are mounted on valve body 1, institute
It states and is equipped with fluid channel in valve body 1, the valve plate 3 is arranged in fluid channel, in the cavity that the valve deck 2 is formed with valve body 1
The filling spool 4, the spool 4 offer tapped through hole, and one end of the valve rod 5 passes through in spool 4 and fluid channel
Valve plate 3 connect, the other end of the valve rod 5 is pierced by the valve deck 2 and the outside positioned at valve deck 2, under the valve rod 5
Portion is provided with screw thread, for forming transmission cooperation with tapped through hole；It is provided with annular convex platform on the outer diameter on the top of the valve rod 5
51, the outer rim of the annular convex platform 51 is hemispherical；Thrust pad 6 and embedded copper cap 7 are provided in the valve deck 2；It is described to stop
6 intermediate trepanning of pushing pad is used for across the valve rod 5, which is sheathed on the outer of the lower half portion of the annular convex platform 51
Portion, shape and the shape of the lower half portion of the annular convex platform 51 are adapted；The embedded copper cap 7 in hollow tubular,
For being in contact with the top half of the annular convex platform 51 across the lower part of the valve rod 5, the embedded copper cap 7,
Shape and the top half of the annular convex platform 51 are adapted；The thrust pad 6 and embedded copper cap 7 are interlocked, and to form boss accommodating
Chamber.
Annular convex platform 51 makes hemispherical, matched thrust pad 6, embedded copper cap 7 also does glomeration, is formed effective
Limiting device, and similar ball bearing is assembled up, not only 5 intensity of valve rod can ensure, and can reduce gate valve torque.
As an optimization, the outer tube wall of the embedded copper cap 7 is uniformly arranged along its circumferential direction there are three fan-shaped protrusion, two neighboring
The angle of the fan-shaped protrusion is 60 °, and the central angle of the fan-shaped protrusion is 60 °, the length of length and the embedded copper cap 7
It is consistent；It offers in the through-hole at the top of the top of the valve deck 2 to boss accommodating cavity and is adapted with the fan-shaped protrusion
Section is the slideway of sector, for installing the embedded copper cap 7.
Embedded copper cap 7 assembles simply with valve deck 2, is not necessarily to any additional frock clamp, only needs one angle of hand-turning
It can (60 °).
As an optimization, the top open part of the valve deck 2 is provided with locking cover 8, is used for sealed valve cap 2；The lock
Tight cover 8 includes ring cap and three fan-shaped stabilizer blades 81；The outer diameter phase of the diameter of the middle through-hole of the ring cap and the valve rod 5
It adapts to；The outer diameter on the top of the ring cap is more than lower part, stepped on the section of thickness direction；The ring cap
The outer diameter of lower part is directly adapted with the open-topped of the valve deck 2；The angle of the two neighboring fan-shaped stabilizer blade 81 is
60 °, the upper end of the sector stabilizer blade 81 is fixed on the lower part of the ring cap, and lower end is to the axis far from the ring cap
Inclined downward extends.
Locking cover 8 is integral type injection molding, and assembly is simple, is not necessarily to any additional frock clamp, only need to be manually pressed into valve
Lid 2, for three fan-shaped stabilizer blades 81 with gradient, plastic part has certain elasticity, is strutted automatically after being packed into valve deck 2, can be effective
It is locked.It has been finally reached the purpose for facilitating routine use and maintenance.
As an optimization, the lower end of the fan-shaped stabilizer blade 81 is provided with dovetail groove.Material can be saved to the greatest extent in this way, increased
Strong elasticity.
As an optimization, the material of the embedded copper cap 7 is brass.This is mainly due to corrosion-resistant is considered.
As an optimization, the material of the thrust pad 6 is elastoplastic or rubber.
As an optimization, it is provided with mounting hole on the valve rod 5 outside the valve deck 2, for installing handwheel.
As an optimization, it is provided with the flange vertical with the axis of fluid channel on the valve body 1 of the fluid channel two
Disk.
As an optimization, the locking cover 8 is by integrally moulded.
Above-described embodiment of the utility model is not to this reality only to illustrate the utility model example
With the restriction of novel embodiment.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other various forms of variations and variation.Here all embodiments can not be exhaustive.It is every to belong to this reality
With novel technical solution changes and variations that derived from still in the row of the scope of protection of the utility model.
Claims (9)
1. a kind of gate valve, including valve body, valve deck, valve plate, spool and valve rod, the valve deck is mounted on valve body, in the valve body
Equipped with fluid channel, the valve plate is arranged in fluid channel, the filling valve in the cavity that the valve deck is formed with valve body
Core, the spool offer tapped through hole, and one end of the valve rod is connect across spool with the valve plate in fluid channel, the valve
The other end of bar is pierced by the valve deck and the outside positioned at valve deck, which is characterized in that the lower part of the valve rod is provided with spiral shell
Line, for forming transmission cooperation with tapped through hole；Annular convex platform, the convex annular are provided on the outer diameter on the top of the valve rod
The outer rim of platform is hemispherical；Thrust pad and embedded copper cap are provided in the valve deck；Trepanning is for wearing among the thrust pad
The valve rod is crossed, which is sheathed on the outside of the lower half portion of the annular convex platform, shape and the annular convex platform
Lower half portion shape be adapted；The embedded copper cap is in hollow tubular, for across the valve rod, described to be interior
The lower part of embedding copper cap is in contact with the top half of the annular convex platform, and shape and the first half split-phase of the annular convex platform are suitable
It answers；The thrust pad and embedded copper cap are interlocked to form boss accommodating cavity.
2. gate valve according to claim 1, which is characterized in that the outer tube wall of the embedded copper cap is uniformly arranged along its circumferential direction
There are three fan-shaped protrusion, the angle of the two neighboring fan-shaped protrusion is 60 °, and the central angle of the fan-shaped protrusion is 60 °, length
Degree is consistent with the embedded length of copper cap；Offered in the through-hole at the top of the top of the valve deck to boss accommodating cavity with
The adaptable section of the fan-shaped protrusion is the slideway of sector, for installing the embedded copper cap.
3. gate valve according to claim 1, which is characterized in that the top open part of the valve deck is provided with locking cover,
For sealed valve cap；The locking cover includes ring cap and three fan-shaped stabilizer blades；The diameter of the middle through-hole of the ring cap
It is adapted with the outer diameter of the valve rod；The outer diameter on the top of the ring cap is more than lower part, is on the section of thickness direction
It is ladder-like；The outer diameter of the lower part of the ring cap is directly adapted with the open-topped of the valve deck；The two neighboring fan
The angle of shape stabilizer blade is 60 °, and the upper end of the sector stabilizer blade is fixed on the lower part of the ring cap, and lower end is to far from the ring
The inclined downward of the axis of shape cap extends.
4. gate valve according to claim 3, which is characterized in that the lower end of the sector stabilizer blade is provided with dovetail groove.
5. gate valve according to claim 1, which is characterized in that the material of the embedded copper cap is brass.
6. gate valve according to claim 1, which is characterized in that the material of the thrust pad is elastoplastic or rubber.
7. gate valve according to claim 1, which is characterized in that be provided with peace on the valve rod outside the valve deck
Hole is filled, for installing handwheel.
8. gate valve according to claim 1, which is characterized in that be provided with and flow on the valve body of the fluid channel two
The vertical ring flange of the axis in body channel.
9. gate valve according to claim 3, which is characterized in that the locking cover is by integrally moulded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721251440.XU CN207715782U (en) | 2017-09-27 | 2017-09-27 | A kind of gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721251440.XU CN207715782U (en) | 2017-09-27 | 2017-09-27 | A kind of gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207715782U true CN207715782U (en) | 2018-08-10 |
Family
ID=63064312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721251440.XU Active CN207715782U (en) | 2017-09-27 | 2017-09-27 | A kind of gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207715782U (en) |
-
2017
- 2017-09-27 CN CN201721251440.XU patent/CN207715782U/en active Active
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