CN109723841A - A kind of pressure type shut-off valve - Google Patents
A kind of pressure type shut-off valve Download PDFInfo
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- CN109723841A CN109723841A CN201711049249.1A CN201711049249A CN109723841A CN 109723841 A CN109723841 A CN 109723841A CN 201711049249 A CN201711049249 A CN 201711049249A CN 109723841 A CN109723841 A CN 109723841A
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- valve
- blade
- fixedly connected
- handle
- valve seat
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- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention discloses a kind of pressure type shut-off valves, including valve seat and valve deck, it is fixedly connected by bolt with valve deck at left and right sides of the valve seat upper surface, gasket is installed between the valve seat and valve deck, the valve deck top is threaded with pressure cap, the valve seat inner bottom surface is equipped with flap at center, the flap includes fixed link, first blade, second blade and diversion trench, the flap upper surface is fixedly connected with valve rod at center, the valve stem tip is equipped with handle, pressure cap inner wall upper end is equipped with pressing ring, pressure cap inner wall lower end is filled with filler, the handle inner upper surface is fixedly connected with motor, it is fixedly connected at the motor bottom center with valve rod, control switch is installed in the middle part of the left handle, right handle inner wall bottom end is fixedly connected with power supply, the pressure type shut-off valve is easy to operate, it uses Service life is long, has very strong practicability.
Description
Technical field
The invention belongs to shut-off valve technical fields, and in particular to a kind of pressure type shut-off valve.
Background technique
The opening and closing element of shut-off valve is the flap of stopper, and sealing surface is in plane or the conical surface, and flap is made straight along the center line of valve seat
Line movement.The forms of motion of valve rod, also there is lifting rotation rod-type, and shut-off valve refers to the valve that closure member is moved along valve seat center line
Door, the closure principle of shut-off valve is, by valve stem pressure, to fit closely valve clack sealing surface with sealing surface of seat, prevents medium
Circulation.
But it is to be able to ensure that, by the water flow stage, when adjusting the opening and closing amount of flap, valve rod would generally apply foot
Enough power or excessive power guarantee fitting closely between flap and valve seat, in this way, due to the mistake between flap and valve seat
Amount squeezes, and causes the specified power that water can be truncated of its fullsized of active force between them upper many greatly, will after long-time service
Lead to the deformation of valve seat and flap, to influence service life, when hydraulic pressure is excessive, is also possible to beat completely by manpower
Valve opening door guarantees that water flow is normally trickled, therefore devises a kind of pressure type shut-off valve, and the pressure type shut-off valve is easy to operate, makes
It is long with the service life, there is very strong practicability.
Summary of the invention
The purpose of the present invention is to provide a kind of pressure type shut-off valves, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of pressure type shut-off valve, including valve seat and valve
Lid, the valve seat upper surface left and right sides are fixedly connected by bolt with valve deck, are equipped with gasket between the valve seat and valve deck,
The valve deck top is threaded with pressure cap, and flap is equipped at valve seat inner bottom surface center, and the flap includes fixing
Bar, the first blade, the second blade and diversion trench, the fixed link upper surface are fixedly connected with the first blade, the fixed link bottom
Face is fixedly connected with the second blade, penetrates through on the left of first blade with the second blade right side and is connected with diversion trench, the valve
Valve rod is fixedly connected at the center of valve upper surface, the valve stem tip is equipped with handle, and pressure cap inner wall upper end is equipped with pressure
Circle, pressure cap inner wall lower end are filled with filler, and the handle inner upper surface is fixedly connected with motor, in the motor bottom surface
It is fixedly connected at the heart with valve rod, control switch is installed in the middle part of the left handle, right handle inner wall bottom end is fixed to be connected
It is connected to power supply.
Preferably, first blade and the second leaf cross-section are sickle, and on the first blade and the second blade
Perforation is connected with 3 diversion trenches.
Preferably, it is penetrated through on the downside of the valve rod with valve seat junction and is connected with spiral groove, and installed in valve rod bottom end
There is waterproof washer.
Preferably, the handle bottom surface and valve rod perforation are connected with through-hole, and through-hole diameter is greater than stem diameter.
Preferably, the motor surrounding is equipped with noise reduction shell, and is bonded with damping in motor upper surface and handle junction
Pad.
Technical effect and advantage of the invention: the pressure type shut-off valve can play the role of drainage by diversion trench, subtract
Pressure suffered by few first blade and the second blade, prolongs its service life, and can be played by waterproof washer close well
Effect is sealed, prevents water flow from immersing in valve deck, the noise generated when motor rotation can be weakened by noise reduction shell, provided to worker
One quiet work climate, the pressure type shut-off valve is easy to operate, long service life, has very strong practicability.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of flap in the present invention；
Fig. 3 is circuit diagram of the invention.
In figure: 1 valve seat, 2 valve decks, 3 gaskets, 4 bolts, 5 pressure caps, 6 flaps, 61 fixed links, 62 first blades, 63 second leaves
Piece, 64 diversion trenches, 7 valve rods, 8 handles, 9 pressing rings, 10 fillers, 11 motors, 12 control switches, 13 power supplys.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, Fig. 1 is the structural diagram of the present invention, a kind of pressure type shut-off valve, including valve seat 1 and valve deck 2,
It is fixedly connected by bolt 4 with valve deck 2 at left and right sides of 1 upper surface of valve seat, pad is installed between the valve seat 1 and valve deck 2
Piece 3,2 top of valve deck are threaded with pressure cap 5, are equipped with flap 6, the flap 6 at the 1 inner bottom surface center of valve seat
Valve rod 7 is fixedly connected at the center of upper surface, 7 downside of valve rod is penetrated through with 1 junction of valve seat is connected with spiral groove, and
Waterproof washer is installed in 7 bottom end of valve rod, good sealing effect can be played by waterproof washer, prevents water flow from immersing valve deck
In 2,7 top of valve rod is equipped with handle 8, and 8 bottom surface of handle and the perforation of valve rod 7 are connected with through-hole, and through-hole diameter is big
In 7 diameter of valve rod, the 5 inner wall upper end of pressure cap is equipped with pressing ring 9, and the 5 inner wall lower end of pressure cap is filled with filler 10, the hand
8 inside upper surface of handle is fixedly connected with motor 11, and 11 surrounding of motor is equipped with noise reduction shell, can weaken electricity by noise reduction shell
The noise that machine 11 generates when rotating provides a quiet work climate to worker, and connects in 11 upper surface of motor and handle 8
The place of connecing is bonded with resilient cushion, is fixedly connected at 11 bottom center of motor with valve rod 7, and 8 left side central portion of handle is equipped with
Control switch 12, the 8 right side inner wall bottom end of handle are fixedly connected with power supply 13.
Please refer to Fig. 1 and Fig. 2, Fig. 2 is the structural schematic diagram of flap in the present invention, and the flap 6 includes fixed link 61, the
One blade 61, the second blade 62 and diversion trench 64,61 upper surface of fixed link are fixedly connected with the first blade 61, the fixation
61 bottom surface of bar is fixedly connected with the second blade 63, and first blade 42 and 43 cross section of the second blade are sickle, described
First blade, 62 left side is connected with diversion trench 64 with the perforation of 63 right side of the second blade, and on the first blade 42 and the second blade 43
Perforation is connected with 3 diversion trenches 44, can play the role of drainage by diversion trench 44, reduce the first blade 42 and the second leaf
Pressure suffered by piece 43, prolongs its service life.
Please referring to Fig. 1 and Fig. 3, Fig. 3 is circuit diagram of the invention, including motor 11, control switch 12 and power supply 13,
The power supply 13 is electrically connected by conducting wire and control switch 12, and the control switch 12 is electrically connected by conducting wire with motor 11
It connects, the motor 11 is electrically connected by conducting wire and power supply 13, be can control motor 11 by control switch 12 and is rotated, with this band
Ovable valve stem 7 rotates flap 6 and opens valve, saves manpower.
Working principle: when hydraulic pressure is small, directly can open flap 7 by manpower rotational handle 8 with this, water flow is allowed to pass through,
When hydraulic pressure is excessive, motor 11 can control by control switch 12 and rotate, flap 6 is rotated with this band ovable valve stem 7 and opens valve,
It can play the role of drainage by diversion trench 44, reduce pressure suffered by the first blade 42 and the second blade 43, extend it
Service life.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (5)
1. a kind of pressure type shut-off valve, including valve seat (1) and valve deck (2), it is characterised in that: described valve seat (1) upper surface or so
Two sides are fixedly connected by bolt (4) with valve deck (2), are equipped with gasket (3), the valve between the valve seat (1) and valve deck (2)
Lid (2) top is threaded with pressure cap (5), is equipped with flap (6) at valve seat (1) the inner bottom surface center, the flap (6)
Including fixed link (61), the first blade (61), the second blade (62) and diversion trench (64), fixed link (61) upper surface is fixed
It is connected with the first blade (61), fixed link (61) bottom surface is fixedly connected with the second blade (63), first blade (62)
Perforation is connected with diversion trench (64) on the right side of left side and the second blade (63), is fixedly connected at flap (6) the upper surface center
Have valve rod (7), valve rod (7) top is equipped with handle (8), and pressure cap (5) the inner wall upper end is equipped with pressing ring (9), described
Pressure cap (5) inner wall lower end is filled with filler (10), and handle (8) inside upper surface is fixedly connected with motor (11), the electricity
It is fixedly connected at machine (11) bottom center with valve rod (7), handle (8) left side central portion is equipped with control switch (12), described
Inner wall bottom end is fixedly connected with power supply (13) on the right side of handle (8).
2. a kind of pressure type shut-off valve according to claim 1, it is characterised in that: first blade (42) and the second leaf
Piece (43) cross section is sickle, and perforation is connected with 3 diversion trenches on the first blade (42) and the second blade (43)
(44)。
3. a kind of pressure type shut-off valve according to claim 1, it is characterised in that: valve rod (7) downside and valve seat (1)
Junction penetrates through and is connected with spiral groove, and is equipped with waterproof washer in valve rod (7) bottom end.
4. a kind of pressure type shut-off valve according to claim 1, it is characterised in that: handle (8) bottom surface and valve rod (7)
Perforation is connected with through-hole, and through-hole diameter is greater than valve rod (7) diameter.
5. a kind of pressure type shut-off valve according to claim 1, it is characterised in that: motor (11) surrounding, which is equipped with, to disappear
Sound shell, and resilient cushion is bonded in motor (11) upper surface and handle (8) junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711049249.1A CN109723841A (en) | 2017-10-31 | 2017-10-31 | A kind of pressure type shut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711049249.1A CN109723841A (en) | 2017-10-31 | 2017-10-31 | A kind of pressure type shut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109723841A true CN109723841A (en) | 2019-05-07 |
Family
ID=66294277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711049249.1A Pending CN109723841A (en) | 2017-10-31 | 2017-10-31 | A kind of pressure type shut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109723841A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321400A (en) * | 2022-02-28 | 2022-04-12 | 杭州富尚阀门有限公司 | Stop valve for reducing operation resistance of valve handle |
-
2017
- 2017-10-31 CN CN201711049249.1A patent/CN109723841A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321400A (en) * | 2022-02-28 | 2022-04-12 | 杭州富尚阀门有限公司 | Stop valve for reducing operation resistance of valve handle |
| CN114321400B (en) * | 2022-02-28 | 2023-06-30 | 杭州富尚阀门有限公司 | Stop valve for reducing valve handle operation resistance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190507 |