CN201254751Y

CN201254751Y - Constant flow and constant pressure valve

Info

Publication number: CN201254751Y
Application number: CNU2008201255949U
Authority: CN
Inventors: 彭绍与
Original assignee: JUYANG LIFE TECHNOLOGY CORP
Current assignee: JUYANG LIFE TECHNOLOGY CORP
Priority date: 2008-08-18
Filing date: 2008-08-18
Publication date: 2009-06-10
Anticipated expiration: 2018-08-18

Abstract

The utility model provides a constant flow constant voltage valve which comprises a valve body unit, a group of middle shaft unit, a group of nonreturn unit and a group of constant flow constant voltage unit; the valve body unit is provided with a valve body; the inside of the valve body is provided with a first water chamber and a second water chamber; the middle shaft unit is arranged in the first water chamber; the upper end location thereof is concavely provided with a third water chamber; the constant flow constant voltage valve is provided with a central valve rod which is arranged in the third water chamber in a floating way and can be used for adjusting the water inlet flux of the second water chamber, thus leading the water flow to achieve the effect of inputting with a constant-flow; and the two ends of the central valve rod are respectively under the action of elastic elements and water pressure to achieve balancing, thereby leading the water flow to achieve the effect of water discharging with a constant voltage.

Description

The constant current constant voltage valve

Technical field

The utility model relates to a kind of control valve, particularly a kind of constant current constant voltage valve with constant current input and constant voltage water outlet effect.

Background technology

Referring to shown in Figure 1, known a kind of exempt to control type toilet device 10 mainly include gauge tap 12 that a cushion 11, one group be arranged on cushion 11 side places, holder that is arranged on place, cushion 11 rears 13, one be arranged on and can lift toilet lid 14 and the one group of sparge pipe 15 that is arranged on the holder 13 and is hidden in place, cushion 11 belows that opens shape on the holder 13, the startup that sparge pipe 15 is controlled switch 12 can be protracted to move and is outer dewiness, whereby human body is reached the function of flushing.

Referring to shown in Figure 2, these holder 13 inside are hollow form, its pre-position is equiped with water route pipeline and the electric control circuit that is associated with sparge pipe 15, wherein the water route pipeline includes an electromagnetic valve 16 and a non retern valve 17, one end of electromagnetic valve 16 is connected with outer water tube, provide the water of firm discharge can enter in the electromagnetic valve 16, the other end of electromagnetic valve 16 is connected with non retern valve 17 with pipe-connecting mode, and electric control circuit includes one group of electrical control mechanism 18, this electrical control mechanism 18 makes with gauge tap 12 and is connected, but the on off state of control electromagnetic valve 16, can controlled water flow enter in the non retern valve 17 whereby, one end of this non retern valve 17 is provided with a gutter 171, and the other end then is connected to sparge pipe 15 with pipe-connecting mode, and the hydraulic pressure that keeps certain can be controlled in non retern valve 17 inside, when hydraulic pressure surpasses preset value, can be discharged by gutter 171 by the release portion current, non retern valve 18 can provide the current of steady pressure to enter in the sparge pipe 15 whereby, sees through outwards ejection cleaning water column of sparge pipe 15 again.

Though above-mentioned toilet device 10 allows sparge pipe 15 have the function of ejection constant voltage water column, yet still have its shortcoming to demand urgently improving on using, known toilet device adopts

electromagnetic valve

16 and 17 2 kinds of valve members of non retern valve to be combined into the water route pipeline, because the relation that electromagnetic valve 16 and non retern valve were arranged in 17 minutes, the volume of two valve members takies sizable inner space, the equipment cost of buying two valve members is higher, be unfavorable for product competitiveness, and in case when having fault to take place, electromagnetic valve 16 and non retern valve 17 need to check respectively one by one, and be inconvenient in the maintenance.

The utility model content

The purpose of this utility model is to provide a kind of constant current constant voltage valve with the constant current constant voltage function.

The utility model provides a kind of constant current constant voltage valve, include axle unit, one group of non-return unit and one group of constant current constant voltage unit in the one group of valve body unit, one group, wherein: this valve body unit has a valve body, the lower end of this valve body is provided with a water inlet, the inside of this valve body is provided with first hydroecium that communicates with this water inlet, this valve body is provided with second hydroecium that is communicated with this first hydroecium at the inner and upper place, this valve body is provided with a delivery port that communicates with this second hydroecium in side edge; Should be fixedly installed in first hydroecium of this valve body by middle axle unit, its upper end extends in second hydroecium, and the end is concaved with the 3rd hydroecium with desired depth; This non-return unit have one be set in the detent plug bar of axle unit lower end and one have predetermined elastic force can be to this detent plug bar butted spring downwards, the detent plug bar is subjected to that spring is butted can make closed to water inlet; This constant current constant voltage unit has a ring liner that is arranged in second hydroecium, a flexible member that is arranged on place, second hydroecium top and this ring liner is provided a predetermined spring-go power, and an interlock connects the centre that is located at this ring liner center moving up and down valve rod, the lower end extension of this center valve rod is provided with a water inlet end that is inserted in the 3rd hydroecium, this place, water inlet end top periphery is provided with a scalene cone, this scalene cone is in the middle of this first hydroecium and this second hydroecium, make this place be formed with an inlet channel, the periphery of this center valve rod is equipped with a runner towards inside, this runner one end communicates with this second hydroecium, the other end extends downwardly into and reaches this water inlet end bottom, the current of second hydroecium can be entered in the 3rd hydroecium via runner reach constant voltage, current in the 3rd hydroecium can drive the center valve rod and fluctuate, and change the inlet channel caliber size whereby and control flow of inlet water.

Constant current constant voltage valve described in the utility model, the bottom of the water inlet end of this center valve rod radially are concaved with a groove of the notch that communicates with this runner.

Constant current constant voltage valve described in the utility model, the centre of this ring liner are folded with two packing rings up and down, and the upper end interlocking of this center valve rod is fixed on two packing rings.

The beneficial effects of the utility model are: utilizing floats in the 3rd hydroecium is provided with the center valve rod, can change inflow to reach the constant current effect, utilizes the design of center valve rod pressure at two ends balance, reaches the effect of constant voltage water outlet whereby.

Description of drawings

Fig. 1 is the known schematic perspective view of exempting to control the type toilet device;

Fig. 2 is the known exploded view of exempting to control the type toilet device;

Fig. 3 is the constitutional diagram of the utility model constant current constant voltage valve one preferred embodiment, illustrates that the utility model is mounted on a holder inside;

Fig. 4 is the exploded view of above-mentioned preferred embodiment, illustrates to the utlity model has axle unit, one group of non-return unit and one group of constant current constant voltage unit in the one group of valve body unit, one group;

Fig. 5 is the three-dimensional combination figure of above-mentioned preferred embodiment;

Fig. 6 is the assembled sectional view of above-mentioned preferred embodiment;

Fig. 7 is the stereogram of above-mentioned preferred embodiment, illustrates that the constant current constant voltage unit includes a center valve rod;

Fig. 8 is the action diagram of above-mentioned preferred embodiment, illustrates that center valve rod pressure at two ends keeps balance to reach the situation of constant voltage water outlet;

Fig. 9 is the action diagram of above-mentioned preferred embodiment, and the center valve rod of explanation can fluctuate and change inflow to reach the situation of constant current input.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is elaborated.

Referring to shown in Figure 3, the utility model constant current constant voltage valve is in a preferred embodiment, mainly be used in and a kind ofly exempt to control on the water route pipeline of type toilet device, this toilet device and known toilet device have a holder 1 equally, this holder 1 inside is concaved with a room 101, room 101 centre are equipped with one group of sparge pipe 2, be positioned at place, limit, sparge pipe 2 left and right sides and be provided with a battery pack 3 and one group of ECU 4 respectively, simultaneously referring to Fig. 4, Fig. 5 and shown in Figure 6, the utility model constant current constant voltage valve is installed in a side edge of room 101, mainly include one group of valve body unit 20, axle unit 30 in one group, one group of non-return unit 40 and one group of constant current constant voltage unit 50, then, again the composition of above-mentioned each unit structure and interblock space kenel are specified in after.

This valve body unit 20 has a valve body 21 and an electromagnetic valve 22, this valve body 21 is formed by the winding of a plurality of valve part, its lower end is provided with a water inlet 211, valve body 21 inside are concaved hollow shape, its place, below is provided with first hydroecium 212 that is connected with water inlet 211, water inlet 211 joins with an outside water pipe (figure does not show), can provide the current of fixed amount to enter in first hydroecium 212, valve body 21 inner and upper places are provided with second hydroecium 213 that is connected with first hydroecium 212, valve body 21 side edge are provided with a delivery port 214 that is connected with second hydroecium 213, current can enter in second hydroecium 213 via first hydroecium 212, arrive delivery port 214 by second hydroecium 213 again and carry out the water outlet action, these electromagnetic valve 22 adjacent valve body 21 side edge that are fixed in, the delivery port 214 of one side and valve body 21 joins, electromagnetic valve 22 opposite side pipe nipples by the switch of control electromagnetic valve 22, can be delivered to current the action of spraying water in the sparge pipe 2 to sparge pipe 2.

Should middle axle unit 30 be the valve members that slightly are straight tube-like, its dual-side place convexes with two firm joint ears 31, be fixed on the valve body 21 by two firm joint ears, 31 interlockings, make whole middle axle unit 30 just be positioned at first hydroecium 212, middle axle unit 30 upper ends are provided with a cylindrical tube 32 that extends in second hydroecium 213, be concaved with the 3rd hydroecium 33 with desired depth on cylindrical tube 32 end faces, middle axle unit 30 lower ends are concaved with a trepanning 34.

This non-return unit 40 have one be set in detent plug bar 41 in the axle unit 30 lower end trepannings 34 and cover be against spring 42 on the detent plug bar 41, these detent plug bar 41 lower ends are provided with a conehead 411, on the conehead 411 and be arranged with a seal ring 412, it is butted downwards that detent plug bar 41 is subjected to spring 42, can make 411 pairs of water inlets of conehead 211 keep closed, prevent that whereby current from producing adverse current, when the hydraulic pressure of water inlet 211 during, begin to push open detent plug bar 41 and allow current enter in first hydroecium 212 greater than spring 42 elastic force.

This constant current constant voltage unit 50 has a ring liner 51 that is arranged in second hydroecium 213, one is arranged on place, second hydroecium, 213 tops provides a predetermined spring-go power to ring liner 51 flexible member 52, and an interlock connects and is located at ring liner 51 centre center moving up and down valve rod 53, this ring liner 51 has two metal washers 511 up and down, 512 and a slice plastic cement barrier film 513, two packing rings 511,512 are folded in the centre of plastic cement barrier film 513 up and down, the neighboring of plastic cement barrier film 513 is fixed on the internal perisporium of second hydroecium 213 with the sealing means cramping, current can not permeated arrive flexible member 52 positions, these flexible member 52 1 end covers are against valve body 21 upper ends, the other end supports and ends on packing ring 511, provide full annular liner 51 to have downward spring-go power, valve rod 53 upper ends in center are fixed on two packing rings 511 up and down in the interlocking mode, on 512, center valve rod 53 can be reached the one interlock with ring liner 51 whereby, make center valve rod 53 possess the ability that moves up and down, referring to shown in Figure 7, this center valve rod 53 is the axostylus axostyles that are long straight shape, its lower end has a water inlet end 531, these water inlet end 531 peripheries are arranged with a seal ring 532 that contacts with the 3rd hydroecium 33 internal perisporiums work, can make the 3rd hydroecium 33 isolate mutually with second hydroecium 213 whereby separates, the outer peripheral face at place, water inlet end 531 tops is provided with a scalene cone 533, this scalene cone 533 is in the middle of first hydroecium 212 and second hydroecium 213, scalene cone 533 is formed with one jointly with valve body 21 inwalls and is skewed inlet channel I, because center valve rod 53 can freely suspend mobile in the 3rd hydroecium 33, make scalene cone 533 near or away from valve body 21 inwalls, can allow the caliber size of inlet channel I do a change, center valve rod 53 is equipped with a runner 534 by scalene cone 533 dual-sides to central inner, these runner 534 1 ends are connected with second hydroecium 213, the other end then extends downward water inlet end 531 bottoms via center valve rod 53 inside, water inlet end 531 bottoms radially are concaved with a groove of the notch 535, can be spilled in the 3rd hydroecium 33 by the shunting of the groove of the notch 535 both sides when making current arrive water inlet end 531, make current hold full the 3rd hydroecium 33 and second hydroecium 213 reaches same equal pressure.

More than be the general introduction of every structure of the utility model constant current constant voltage valve and shape, then, effect statement as the back that action of the present utility model and expection are reached again:

Referring to shown in Figure 8, under general state, current enter valve body 21 by water inlet 211, normal hydraulic pressure can be greater than the elastic force of spring 42, the detent plug bar 41 that current can be pushed non-return unit 40 open enters in first hydroecium 212, enter in second hydroecium 213 by inlet channel I by first hydroecium 212 again, then carry out water outlet from delivery port 214, the current that be positioned at second hydroecium 213 this moment can up push ring liner 51, on the other hand, it is butted and press down that ring liner 51 is subjected to flexible member 52 again, and the hydraulic pressure of second hydroecium 213 and flexible member 52 can form keep balance with equal pressure, reaches the effect of constant voltage water outlet whereby.

Referring to shown in Figure 9, the current of second hydroecium 213 can enter in the 3rd hydroecium 33 from the runner 534 of center valve rod 53, under the situation of inside water pressure greater than flexible member 52 elastic force, the current of the 3rd hydroecium 33 can promote center valve rod 53 and up move, because inlet channel I is made of jointly the scalene cone 533 of valve body 21 inwalls and center valve rod 53, center valve rod 53 more up moves, scalene cone 533 can more dwindle the bore of inlet channel I near valve body 21 inwalls, can reduce the flow of inlet water of second hydroecium 213 whereby, opposite, under the situation of flexible member 52 elastic force greater than hydraulic pressure, center valve rod 53 can move down and enlarge the bore of inlet channel I, increases the flow of inlet water of second hydroecium 213 whereby, sees through this and one regulates action, can allow the current that enter second hydroecium 213 keep certain, reach the effect of constant current input.

In sum, the utility model constant current constant voltage valve mainly is in order to solve the problem of known toilet device stream pipeline, the technological means that the utility model adopts is to utilize one group of constant current constant voltage unit 50, this constant current constant voltage unit 50 has a unsteady center valve rod 53 that is arranged in the 3rd hydroecium 33, make valve rod 53 two ends in center be subjected to keeping under flexible member 52 and two kinds of pressure of hydraulic pressure balance, allow current carry out the water outlet action in the constant voltage mode, in addition, valve rod 53 peripheries in center are provided with the scalene cone 533 of a formation inlet channel I, when so allowing center valve rod 53 move up and down, can control the flow of inlet water that enters second hydroecium 213, allow the current that enter second hydroecium 213 reach the effect that constant current is imported whereby, therefore the utility model utilizes single valve body just can reach two kinds of functions of constant current constant voltage simultaneously, finish the control action of all stream pipelines, its volume can not take too big inner space, and can effectively save the equipment purchase cost, and is quite convenient in the maintenance yet.

Claims

1. constant current constant voltage valve, include one group of valve body unit, axle unit and one group of non-return unit in one group, this valve body unit has a valve body, the lower end of this valve body is provided with a water inlet, the inside of this valve body is provided with first hydroecium that communicates with this water inlet, this valve body is provided with second hydroecium that communicates with this first hydroecium at the inner and upper place, this valve body is provided with a delivery port that communicates with this second hydroecium in side edge, should be fixedly installed in first hydroecium of this valve body by middle axle unit, this non-return unit has a detent plug bar and butted this detent plug bar and this water inlet is made the spring of closed, it is characterized in that

Axle unit in being somebody's turn to do, its upper end extends in this second hydroecium and the end is concaved with the 3rd hydroecium with desired depth; And

One group of constant current constant voltage unit, has a ring liner that is arranged in this second hydroecium, a flexible member that is arranged on the place, top of this second hydroecium and this ring liner is provided a predetermined spring-go power, and an interlock connects the center valve rod of centre to move up and down that is located at this ring liner, the lower end extension of this center valve rod is provided with a water inlet end that is inserted in the 3rd hydroecium, this place, water inlet end top periphery is provided with a scalene cone, this scalene cone is between this first hydroecium and this second hydroecium centre and be formed with an inlet channel, the periphery of this center valve rod is equipped with a runner towards inside, this runner one end communicates with this second hydroecium, and the other end extends downwardly into and reaches this water inlet end bottom.

2. constant current constant voltage valve according to claim 1 is characterized in that, the bottom of the water inlet end of this center valve rod radially is concaved with a groove of the notch that communicates with this runner.

3. constant current constant voltage valve according to claim 1 is characterized in that, the centre of this ring liner is folded with two packing rings up and down, and the upper end interlocking of this center valve rod is fixed on two packing rings.