CN201363473Y

CN201363473Y - Power-assisting type electric pressure-regulating valve

Info

Publication number: CN201363473Y
Application number: CNU2009201398608U
Authority: CN
Inventors: 王宏林
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-02-13
Filing date: 2009-02-13
Publication date: 2009-12-16
Anticipated expiration: 2019-02-13

Abstract

The utility model discloses a power-assisting type electric pressure-regulating valve comprising a valve body, a valve seat, a spool and a valve cover, wherein the bottom of the spool is provided with a valve plug and the upper part thereof is provided with a circular creasing rubber seal cap; the side surface of the valve seat is provided with a guide pipe linked with the water inlet of a valve, and the guide pipe is communicated into a sealing chamber formed by the valve cover, the rubber seal cap and the spool; and a water outlet pipe is communicated to the outside of the valve body through the sealing chamber. The power-assisting type electric pressure-regulating valve is also provided with an electric or electromagnetic starting-closing device to control a switch of a water inlet pipe and the water outlet pipe, thus controlling a switch of the valve, solving the problem that the valve automatically controls the starting and closing, realizing the automatic control of micro-electricity consumption and the zero power consumption self-locking function of the valve at any opening degree, reducing water damage when overflowing, being capable of controlling the flowing size and preventing the opening without permission of the valve, having reasonable structure, scientific design and convenient use, being used for water pipes and also being applicable to other liquid fluid or gas.

Description

Booster type electric pressure-regulating valve

Technical field:

The utility model relates to a kind of valve, especially booster type electric pressure-regulating valve.

Background technique:

In the farmland water-saving automatic irrigation, requirement to valve is more and more higher, not only require valve to control automatically, and to prevent the valve private opening, Chinese invention patent 00118216.1 discloses a kind of automatic on-off valve, in valve body, be provided with the fluid output extending body that points to valve body top, have the pressure guide hole that communicates with fluid inlet and outlet respectively in the upper-end surface of valve body, valve gap middle part is provided with choosing that outlet communicates with body cavity to stopcock, have on the surface of contact of valve gap and valve body respectively with valve body on pressure guide hole match and merge and select the pressure guide hole that communicates to stopcock, be fixed with the flashboard that is positioned at fluid output extending body top at valve body and valve gap, utilized the difference of choosing to the stopcock position, two sides at flashboard forms pressure reduction, form the unlatching and the closure of valve, but this valve can not be controlled automatically, size that can not control flow rate and prevent the valve private opening.

Summary of the invention:

Technical problem to be solved in the utility model provides a kind of booster type electric pressure-regulating valve, unlatching that not only can autocontrol valve and closed but also size that can control flow rate and prevent valve private opening, design science, easy to use.

In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: comprise valve body, valve seat, spool and valve gap, in valve seat, be provided with the passway, the bore of valve body opening is less than the internal diameter of valve seat, the bottom of described spool is provided with valve plug, spool top is provided with tapered rubber cup, rubber cup is provided with annular wrinkle, the maximum inner diameter of rubber cup is greater than the bottom external diameter of spool, rubber cup, spool, the valve gap three forms sealed chamber, be provided with the honeycomb duct of UNICOM's valve water intake in the side of valve seat, honeycomb duct connects the intake pipe that is located on the valve gap, lead to the inside of valve gap, also be provided with outlet pipe on valve gap, outlet pipe one end leads in the valve gap, the other end leads to outside the valve, be provided with electronic on outlet pipe and intake pipe or the electromagnetism opening-closing device, and this electronic or electromagnetism opening-closing device makes that one of them is in closed condition at any time for the import of outlet pipe and the outlet of intake pipe, another then is in open mode.

Described electronic opening-closing device can be: the top at valve gap is provided with motor chamber, cover in the motor room on motor chamber top and to be provided with the motor room, motor is fixed in the motor room, the top of machine shaft is provided with protruding axle, the groove on protruding axle connection leading screw top, the top that leading screw passes valve gap enters in the sealed chamber, leading screw passes through catch, jump ring and pressure bearing are fixed on the top of valve gap, be provided with waterproof washer at the leading screw of valve gap inboard and the joint of pressure bearing, on leading screw, be provided with controlling rod, the other end at controlling rod is provided with plunger, the two ends of plunger are provided with plug, be provided with spring between two plugs, the water outlet ozzle is located in the draw-in groove with water inlet ozzle symmetry, and controlling rod stretches in the draw-in groove (25);

Described electronic opening-closing device also can be: the groove on motor connection gear top, insert in the hole at gear lower curtate center on the top of leading screw, top at leading screw is provided with stage clip, the top that leading screw passes valve gap enters in the sealed chamber, simultaneously, have the hole at the motor chamber cap; rocking handle can pass the hole that the motor room covers; the location lid is lived port lid, covers in the location and is provided with locating stud, and the rocking handle apical axis inserts and is located in the shrinkage pool of valve gap top; the rocking handle gear on the rocking handle is meshed with gear; the top at the rocking handle gear is provided with pinch roller, the diameter of pinch roller realizes that greater than the diameter of rocking handle gear special tool comes the closure or openness valve.

Above-mentioned electronic start-stop device also can be replaced by the electromagnetism start-stop device.

As the improvement of the technical scheme scheme, on described plug, be provided with rubber layer.

As the further improvement in the technical proposal scheme, the top of described leading screw is filament portion, and the bottom is a crin portion, in spool, be provided with core print seat, core print seat is connected on the valve plug of spool bottom, and crin portion links to each other with core print seat by a silk cap, size that can the control valve unlatching.

Further again improvement project as technique scheme is provided with magnet in the outside of described spool, and the outside of the valve seat corresponding with magnet is provided with Hall element, can detect the position of valve opening, realizes control automatically.

The technical solution of the utility model and improvement project, utilized the driven by motor leading screw, the unlatching of control valve and closure, by detecting the position of spool, the flow of any control valve, keying in conjunction with the control honeycomb duct, the pressure difference that in the sealed chamber of spool, forms, assist the keying of valve, realized that little power consumption controls automatically, valve is at the zero-power auto-lock function of any open degree, and the damage by water when reducing overcurrent has solved valve and controlled the problem of opening with closed automatically, and size that can control flow rate and prevent the valve private opening, rational in infrastructure, design science, easy to use, not only can be used in water pipe, also go for other liquid or gas.

Description of drawings:

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

Fig. 1 is the utility model embodiment 1 a structural representation.

Fig. 2 is the A district structure for amplifying schematic representation of Fig. 1.

Fig. 3 is that the D of Fig. 2 is to structural representation.

Fig. 4 is the B district structure for amplifying schematic representation of Fig. 1.

Fig. 5 is the embodiment assembling working state schematic representation after finishing

Fig. 6 is the utility model embodiment 2 a structural representation.

Fig. 7 is the utility model embodiment 3 a structural representation.

Fig. 8 is the utility model embodiment 4 a structural representation.

Shown in the figure: 1 is water intake, and 2 is the passway, and 3 is honeycomb duct, 4 is Hall element, and 5 is valve seat, and 6 is valve plug, 7 is seal ring, and 8 is trunnion cup, and 9 is draft tube outlets, 10 is magnet, and 11 is core print seat, and 12 is the silk cap, 13 is screw, and 14 is wrinkle, and 15 is the hole, 16 is fill hose joint, and 17 is outlet pipe, and 18 is controlling rod, 19 is intake pipe, and 20 is remote controllers, and 21 is solar setup, 22 is shrinkage pool, and 23 is the rocking handle apical axis, and 24 is the rocking handle gear, 25 is pinch roller, and 26 is rocking handle, and 27 are the location lid, 28 is locating stud, and 29 is the motor room, and 30 is motor, 31 is the motor cover plate, and 32 is gear, and 33 is the motor chamber cap, 34 is waterproof washer, and 35 is filament portion, and 36 is valve gap, 37 is leading screw, and 38 is rubber cup, and 39 is crin portion, 40 is spool, and 41 is water outlet, and 42 is valve body, 43 is support, and 44 is draw-in groove, and 45 are the water inlet ozzle, 46 is plug, and 47 is spring, and 48 is plunger, 49 are the water outlet ozzle, and 50 is groove, and 51 is protruding axle, 52 is stage clip, and 53 is the leading screw head, and 54 is jump ring, 55 is washer, 56 is pressure bearing, and 57 is rubber pad, and 58 is sealing cover.

Embodiment:

Embodiment 1:

With reference to Fig. 1-5, structural representation for the utility model embodiment 1, valve body 42 is provided with the valve seat 5 of inclination, the bottom of valve seat 5 is passway 2, in order to make better tightness, the edge of passway 2 is upturned slightly, the bore of passway 2 is less than the internal diameter of valve seat 5, on the sidewall of valve seat 5, be provided with honeycomb duct 3, honeycomb duct 3 feeds the water inlet of valve body 42, and draft tube outlets 9 is passed in the seal groove of valve body 42 upper ends, forms the ozzle that protrudes, around the sidewall on valve seat 5 tops, also be provided with trunnion cup 8, be used for fixedlying connected with the trunnion cup on the valve gap 36.In valve seat 5, be provided with spool 40, the bottom of spool 40 is provided with valve plug 6 and sealing seal ring 7, the top is provided with tapered rubber cup 38, the maximum caliber of tapered rubber cup 38 is greater than the footpath, the end of spool 40, rubber cup 38 is provided with annular wrinkle 14, folding is folded more, for intensity and the folding resistance that increases rubber cup 38, also can in rubber, sandwich the cloth inner core, in spool 40, be provided with core print seat 11, the bottom of core print seat 11 and valve plug 6 spin, with rubber cup 38, valve plug 6 and seal ring 7 are fixed on the spool 40, outer periphery in spool 40 bottoms can be provided with some supporting frames, promptly can the stability of maintaining valve core 40 in valve seat 5, also can magnet 10 be installed on supporting frame, a side corresponding with magnet 10 on the outer side wall of valve seat 5 is provided with Hall element 4, be used for monitoring the position of spool 40 in valve seat 5, so that the lifting height of autocontrol valve core 40.On the sidewall of valve gap 36, be provided with intake pipe 19 and outlet pipe 17, one end of intake pipe 19 leads on the water inlet ozzle 45 of valve gap 36 inboards, the fill hose joint 16 of the other end leads in the seal groove of valve gap 36 bottoms, form the ozzle that protrudes in the outlet port, when closing valve gap, draft tube outlets 9 links to each other with fill hose joint 16, assemble jointly in the hole 15 in rubber cup 38 top edges, form path, one end of outlet pipe 17 leads on the water outlet ozzle 49 of valve gap 36 inboards, the other end leads to the outside of valve gap 36, the two ends of the draw-in groove 44 that is arranged on valve gap 36 inboards that water outlet ozzle 49 is relative respectively with water inlet ozzle 45.The top of valve gap 36 is provided with motor chamber, the work of motor 30 is controlled by electric controller, electric controller comprises remote controllers 20 and solar setup 21, solar setup 21 provides power supply for remote controllers 20, the work of remote controllers 20 control motors 30 and Hall element 4, motor 30 is fixed in the motor room 29 of top side in the motor chamber cap 33 by screw and motor cover plate 31, the top of machine shaft is provided with protruding axle 51, protruding axle 51 links to each other with the groove 50 on gear 32 tops, insert in the hole of gear 32 bottom centre on the top of leading screw 37, the leading screw head 53 on leading screw 37 tops is square toes, be provided with stage clip 52 on the top of leading screw 37, the top that leading screw 37 passes valve gap 36 enters in the sealed chamber, leading screw 37 is by catch 55, jump ring 54 and pressure bearing 56 are fixed on the top of valve gap 36, be provided with waterproof washer 34 at the leading screw 37 of valve gap 36 inboards and the joint of pressure bearing 56, the epimere of leading screw 37 is a filament portion 35, hypomere is a crin portion 39, filament portion 35 is provided with controlling rod 18, the other end at controlling rod 18 is provided with plunger 48, the two ends of plunger 48 are provided with plug 46, plug 46 is provided with rubber layer, between two plugs 46, be provided with spring 47, controlling rod 18 stretches in the draw-in groove 44, the bore of water outlet ozzle 49 and water inlet ozzle 45 is less than the bore of outlet pipe 17 and intake pipe 19, and water outlet ozzle 49 is protrusion with water inlet ozzle 45 outlines, can use spout 49 and water inlet ozzle 45 when closing is trapped in the rubber layer on the plug 46, make sealing effect better, crin portion 39 is provided with a cap 12, silk cap 12 is fixed on the core print seat 11 by screw 13, other has a rocking handle 26 to pass hole on the motor chamber cap 33; the rocking handle apical axis 23 on rocking handle 26 tops is inserted in the valve gap 36 top shrinkage pools 22; location is covered 27 and is fixed on the motor chamber cap 33 by locating stud 28; the rocking handle gear 24 on the rocking handle 26 is meshed with gear 32; top at rocking handle gear 24 also is provided with pinch roller 25, and the diameter of pinch roller 25 is greater than the diameter of rocking handle gear 24.The trunnion cup 8 of motor chamber cap 33, valve gap 36 and valve seat 5 sidewalls is by firm the linking together of bolt.The bottom of valve body 42 is provided with support 43, is used for fixing valve body 42.

Working principle is as follows: during throttle down, motor 30 drives leading screw 37 and rotates, crin portion 39 drives spool 40 and moves down, filament portion 35 drive controlling rods 18 move down simultaneously, and plug 46 is opened into water ozzle 45, and water outlet ozzle 49 is blocked, water in the water intake 1 flow in the sealed chamber through honeycomb duct 3 and intake pipe 19, because the maximum caliber of rubber cup 38 so form inside and outside differential pressure in the bottom of spool 40, can assist valve to close rapidly greater than the footpath, the end of spool 40; When opening valve, motor 30 drives leading screw 37 and rotates, crin portion 39 drives spool 40 and moves up, filament portion 35 drive controlling rods 19 move up simultaneously, plug 46 is opened water outlet ozzle 49, the ozzle 45 of will intaking is blocked, high pressure water in the sealed chamber is external through outlet pipe 17 rapid expulsion valves, pressure in the sealed chamber disappears, can assist valve to open rapidly, realized the keying of little power consumption control valve, valve is at the zero-power auto-lock function of any open degree, damage by water when reducing overcurrent, valve utilizes solar setup 21 to provide electric power for motor 30, the Hall element 4 of valve seat 5 sides can be monitored the position of spool 40 in valve seat 5 simultaneously, remote controllers 20 are by the position of monitoring spool 40 in valve seat 5, come the lifting height of autocontrol valve core 40, controlled the size of flow, being particularly suitable for open-air large-area farmland water-saving irrigates, compare with the technology in outlet pipe 17 is passed into the water outlet 41 of valve body 42, it is rapider that water in the utility model sealed chamber is discharged, not only the speed of Kai Qiing is faster, and the sludge that accumulates in the sealed chamber can be gone out, be difficult for resulting in blockage, make valve more reliable, prolonged working life, when running into special circumstances, can also come opening/shutting valve by special-purpose rocking handle instrument, the rocking handle 26 of special use is inserted by the hole on the motor chamber cap 33, rocking handle gear 24 is meshed with gear 32, compress rocking handle 26, pinch roller 25 is depressed gear 32, the groove 50 at gear 32 tops is separated with the protruding axle 51 on the top of machine shaft, shake rocking handle 26 and can drive leading screw 37 rotations by gear 32, reach the purpose of opening/shutting valve, take down rocking handle 26, gear 32 is upspring under the effect of stage clip 52 automatically, when motor 30 rotates, the protruding axle 51 on machine shaft top snaps in the groove 50 at gear 32 tops automatically, realizes that motor 30 drives.

Embodiment 2:

With reference to Fig. 6, structural representation for the utility model embodiment 2, embodiment 2 is with embodiment 1 the main distinction: the plug 46 at plunger 48 two ends is taper among the embodiment 2, is provided with rubber pad 57 simultaneously on water outlet ozzle 49 and water inlet ozzle 45, also can play same effect.

Embodiment 3:

With reference to Fig. 7, structural representation for the utility model embodiment 3, embodiment 3 is with embodiment 1 the main distinction: a cap 12 is not set among the embodiment 3, the crin portion 39 of leading screw 37 directly is screwed on the core print seat 11, also can play same effect, in addition, rocking handle 26 does not draw among Fig. 6, when not using rocking handle 26, sealing cover 58 is covered on the hole on the motor chamber cap 33, anti-sealing or foreign material enter.

Embodiment 4:

With reference to Fig. 8, structural representation for the utility model embodiment 4, embodiment 4 is a simple type, embodiment 4 is with embodiment 3 the main distinction: the lower end of the leading screw 37 among the embodiment 4 is not provided with crin portion 39, embodiment 4 just utilizes the unlatching and the closure of control outlet pipe 17 and intake pipe 19, in sealed chamber, form the keying that pressure reduction comes control valve, in addition, the patchhole of rocking handle 26 is not set on the motor chamber cap 33 among the embodiment 4 yet, top at leading screw 37 is not provided with gear 32 yet, directly is connected with motor shaft but directly be provided with groove 50 on the top of leading screw 37.

Do not establish gear 32 among the embodiment 4, be equally applicable to embodiment 1, embodiment 2 or embodiment 3 with the direct-connected mode of motor shaft but directly be provided with groove 50 on the top of leading screw 37.

Taper plug 46 among the embodiment 2 reaches the mode that is provided with rubber pad 57 on water outlet ozzle 49 and water inlet ozzle 45 and is suitable for embodiment 4 too.

The utility model also can adopt outlet pipe 17 is passed into mode in the water outlet 1 of valve body 42.

Claims

1, a kind of booster type electric pressure-regulating valve, comprise valve body (42), valve seat (5), spool (40), valve gap (36) and electric controller, it is characterized in that: in described valve seat (5), be provided with passway (2), the bore of valve body opening (42) is less than the internal diameter of valve seat (5), the bottom of described spool (40) is provided with valve plug (6), spool (40) top is provided with tapered rubber cup (38), rubber cup (38) is provided with annular wrinkle (14), the maximum inner diameter of rubber cup (38) is greater than the bottom external diameter of spool (40), rubber cup (38), spool (40), valve gap (36) three forms sealed chamber, be provided with the honeycomb duct (3) of UNICOM's valve water intake (1) in the side of valve seat (5), valve gap (36) is provided with and rubber cup (38), spool (40), valve gap (36) three forms the intake pipe (19) of UNICOM of sealed chamber, and honeycomb duct (3) outlet (9) is connected with intake pipe (19) import, on valve gap (36), also be provided with and rubber cup (38), spool (40), valve gap (36) three forms the outlet pipe (17) of UNICOM of sealed chamber, outlet pipe (17) one ends lead in the valve gap (36), the other end leads to outside the valve, in the outlet of the import of outlet pipe (17) and intake pipe (19), be provided with electronic or the electromagnetism opening-closing device, and this electronic or electromagnetism opening-closing device makes that one of them is in closed condition at any time for the import of outlet pipe (17) and the outlet of intake pipe (19), and another then is in open mode.

2, booster type electric pressure-regulating valve according to claim 1, it is characterized in that: described electronic opening-closing device is: the top at valve gap (36) is provided with motor chamber, on the motor chamber cap (33) on motor chamber top, be provided with motor room (29), be provided with motor (30) in the motor room (29), the top of machine shaft is provided with protruding axle (51), spool (40) is provided with leading screw (37), leading screw (37) top is provided with groove (50), protruding axle (51) connects the groove (50) on leading screw (37) top, the top that leading screw (37) passes valve gap (36) enters in the sealed chamber, on leading screw (37), be provided with controlling rod (18), be provided with plunger (48) in the other end of controlling rod (18), the two ends of plunger (48) are provided with plug (46), and two plugs (46) can move with controlling rod (18), with the port closing of the import of outlet pipe (17) and intake pipe (19) or open.

3, booster type electric pressure-regulating valve according to claim 1, it is characterized in that: described electronic opening-closing device is: the top at valve gap (36) is provided with motor chamber, motor chamber is provided with motor (30), motor (30) pto end is provided with connection gear (32), the groove (50) on connection gear (32) top, spool (40) is provided with leading screw (37), insert in the hole at gear (32) lower curtate center on the top of leading screw (37), be provided with stage clip (52) on the top of leading screw (37), the top that leading screw (37) passes valve gap (36) enters in the sealed chamber, on leading screw (37), be provided with controlling rod (18), the other end at controlling rod (18) is provided with plunger (48), the two ends of plunger (48) are provided with plug (46), and two plugs (46) can move with controlling rod (18), with the port closing of the import of outlet pipe (17) and intake pipe (19) or open, also be provided with rocking handle (26) in above-mentioned motor room; rocking handle (26) is provided with rocking handle gear (24) and pinch roller (25); and the rocking handle gear (24) on the rocking handle (26) is meshed with gear (32); and be provided with pinch roller (25) on the top of rocking handle gear (24), the diameter of pinch roller (25) is greater than the diameter of rocking handle gear (24).

4, according to claim 1,2 or 3 described booster type electric pressure-regulating valves, it is characterized in that: described plug (46) is provided with rubber layer.

5, according to claim 1,2 or 3 described booster type electric pressure-regulating valves, it is characterized in that: the top of described leading screw (37) is filament portion (35), the bottom is crin portion (39), in spool (40), be provided with core print seat (11), core print seat (11) is connected on the valve plug (6) of spool (40) bottom, and crin portion (39) links to each other with core print seat (11) by silk cap (12).

6, booster type electric pressure-regulating valve according to claim 4, it is characterized in that: the top of described leading screw (37) is filament portion (35), the bottom is crin portion (39), in spool (40), be provided with core print seat (11), core print seat (11) is connected on the valve plug (6) of spool (40) bottom, and crin portion (39) links to each other with core print seat (11) by silk cap (12).

7, according to claim 1,2 or 3 described booster type electric pressure-regulating valves, it is characterized in that: be provided with magnet (10) in the outside of described spool (40), the outside of the valve seat (5) corresponding with magnet (10) is provided with Hall element (4).

8, booster type electric pressure-regulating valve according to claim 4 is characterized in that: be provided with magnet (10) in the outside of described spool (40), the outside of the valve seat (5) corresponding with magnet (10) is provided with Hall element (4).

9, booster type electric pressure-regulating valve according to claim 5 is characterized in that: be provided with magnet (10) in the outside of described spool (40), the outside of the valve seat (5) corresponding with magnet (10) is provided with Hall element (4).

10, booster type electric pressure-regulating valve according to claim 6 is characterized in that: be provided with magnet (10) in the outside of described spool (40), the outside of the valve seat (5) corresponding with magnet (10) is provided with Hall element (4).