CN101430018A

CN101430018A - Throttling valve and pressure-reduction energy-saving water tap

Info

Publication number: CN101430018A
Application number: CNA2008102385323A
Authority: CN
Inventors: 单联进
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-12-18
Filing date: 2008-12-18
Publication date: 2009-05-13

Abstract

The invention discloses a throttle valve and a slow pressure energy-saving water tap, wherein, the throttle valve comprises a handle, a valve body and a valve plug; one end of the valve plug is inserted into the valve body, and the other end is fixed with the handle; a return spring is connected between the handle and the valve body, and the valve plug is provided with a communicating passage used for leading an inlet of the valve body to be communicated with an outlet thereof; when force is applied on the handle to rotate the handle, the smallest cross section of the communicating passage is gradually enlarged. The slow pressure energy-saving water tap includes a water outlet pipe and two valves which are respectively arranged on the two valves, wherein, one of the two valves is the throttle valve, and the other one is a valve having the function of cutting off. The throttle valve can rotate the handle to adjust the flow rate to be large, and can automatically recover the flow rate to be small when losing hold of the handle. The slow pressure energy-saving water tap not only realizes to control the flow rate by the person who uses the water, but also can well save water; in addition, the invention also can effectively improve insufficient hydraulic pressure when in busy hour of using water.

Description

A kind of throttle valve and a kind of slow pressure energy-saving tap

Technical field

The present invention relates to a kind of valve, particularly a kind of throttle valve the invention still further relates to a kind of slow pressure energy-saving tap.

Background technique

Chinese patent 200720021099.9 discloses the applicant's a kind of slow pressure energy-saving tap, this invention is suitable for the public place and uses, administrative staff can set the max water yield of the valve of close outlet pipe inlet end according to use condition, flexible handle is by administrative staff's keeping, the water personnel can arbitrarily operate another valve, even the water personnel all open this valve, also are within control, water flow is not too large, can effectively control water, using water wisely.But when the water personnel will need big water consumption, oneself but can't be adjusted to current bigger flow.

Summary of the invention

The technical problem to be solved in the present invention is: a kind of water personnel are provided throttle valve that can own control flow rate, and the present invention also provides a kind of water personnel slow pressure energy-saving tap that can own control flow rate.

In order to solve the problems of the technologies described above:

Throttle valve of the present invention comprises handle, valve body and spool, spool one end is inserted in the valve body, the other end and handle fix, be connected with return spring between handle and valve body, spool is provided with the communication passage that is communicated with valve body import and outlet, and the smallest cross-sectional of communication passage becomes big gradually when application of force rotatable handle.

For the ease of control, described spool comprises valve rod, regulate lamellar body and fixing lamellar body, valve rod is rotating to be inserted in the valve seat, valve seat and valve body fix, regulate lamellar body and fixedly lamellar body be arranged in the valve seat, when valve rod rotates, regulate lamellar body by valve rod drive rotate, fixedly lamellar body does not rotate, fixedly have on the lamellar body and the small opening that communicates in the valve body import, valve seat is provided with and portalling that the outlet of valve body communicates, and small opening is connected by regulating lamellar body with portalling.

For accurate return, described return spring is enclosed within on the valve rod, and an end of return spring is fixed on the handle, the other end is fixed on the valve seat.

In order to have preferably water-saving result, to be convenient to use in public places, the present invention is slow, and the energy-saving tap of pressing comprises water pipe and two valves that are separately positioned on the water pipe, have one to be aforementioned throttle valve in described two valves, another valve is the valve that has by function.

The invention has the beneficial effects as follows: throttle valve of the present invention has than small flow under free state, when the big flow of needs, can handle with sleeve flow is transferred big, after loosing one's grip, automatically restores to small flow again.The present invention is slow to press energy-saving tap when opening the valve that has by function fully, has than small flow, and when the big flow of needs, handle that can rotary throttle valve is transferred flow big, after loosing one's grip, automatically restores to small flow again.Both realized that the water personnel can own control flow rate, and can well economize on water again, and hydraulic pressure deficiency can improve water use peak effectively the time.

Description of drawings

Fig. 1 is the external structure schematic representation of throttle valve of the present invention; Fig. 2 is the complete section structural representation of Fig. 1; Fig. 3 is the slow structural representation of pressing energy-saving tap of the present invention;

Among the figure: 1, handle, 2, valve body, 3, screw, 4, return spring, 5, valve rod, 6, valve seat, 7, seal ring, 8, regulate lamellar body, 9, fixing lamellar body, 10, seal ring, 11, portal, 12, seal ring, 13, seal ring, 14, seal ring, 15, throttle valve, 16, valve, 17, water pipe.

Embodiment

A kind of throttle valve as shown in Figure 1 and Figure 2, it comprises handle 1, valve body 2 and spool.

As shown in Figure 2, spool comprises valve rod 5, regulates lamellar body 8 and fixing lamellar body 9.Regulate lamellar body 8 and fixedly lamellar body 9 be ceramic plate.Valve rod 5 rotating being inserted in the

valve seat

6,6 of valve rod 5 and valve seats are provided with seal ring 12, seal ring 13 and seal ring 14.Valve body 2 is a three-port structure, wherein flatly for import, flatly for outlet, another mouthful and valve seat 6 by being threaded, 2 of valve seat 6 and valve bodies are provided with seal ring 7 and seal ring 10.Valve seat 6 centers are porose, and the sidewall that valve seat 6 enters the end in the valve body 2 is provided with and portals 11, portal 11 to be connected with the outlet of valve body 2.Regulate lamellar body 8 and fixedly lamellar body 9 be arranged on valve seat 6 and be in the end in the valve body 2, valve rod 5 extend in the valve seat 6 from the other end of valve seat 6, valve rod 5 can rotate in valve seat 6.Regulate lamellar body 8 for having the wafer body of gap, regulate lamellar body 8 and be provided with two grooves, valve rod 5 is provided with two projectioies, and two projectioies of valve rod 5 just in time are stuck in two grooves of regulating on the lamellar body 8, makes that regulating lamellar body 8 can rotate under the drive of valve rod 5.Fixedly lamellar body 9 is circular, and the middle part is provided with small opening.Fixedly the circumferential surface of lamellar body 9 is provided with two projectioies, is provided with two grooves in the inner peripheral surface of valve seat 6, and fixedly two of lamellar body 9 high spots are in two grooves of valve seat 6.Thereby make adjusting lamellar body 8 follow valve rod 5 when valve seat rotates, fixedly lamellar body 9 relative valve seats 6 are static relatively.Fixedly the small opening on the lamellar body 9 communicates with water intake on the valve body 2.Be with return spring 4 on the valve rod 5, valve rod 5 is in valve seat 6 outer ends and is provided with handle 1 outward, and handle 1 fixes by screw 3 and valve rod 5.Return spring 4 one ends are fixed on the valve seat 6, and the other end is fixed on the handle 1.When handle with sleeve 1, handle 1 can drive valve rod 5 and rotate, and when release handle 1, return spring 4 drives handle 1 and valve rod 5 returns.Fixedly the small opening of lamellar body 9, regulate portalling on gap on the lamellar body 8 and the

valve seat

6 and 11 be connected, form the communication passage that is communicated with valve body 2 imports and outlet.Regulate the gap of lamellar body 8 and fixedly the overlapping part of lamellar body 9 be the smallest cross-sectional place of aforementioned communication passage.

The smallest cross-sectional of the communication passage the when smallest cross-sectional of communication passage is in free state greater than handle 1 when application of force rotatable handle 1.The original state of this throttle valve (promptly when handle 1 be in free state) is: sub-fraction is arranged the gap of regulating lamellar body 8 and fixedly the small opening of lamellar body 9 is overlapping, when application of force handle with sleeve 1, handle 1 can drive valve rod 5 and regulate lamellar body 8 and rotate, make the gap of regulating lamellar body 8 and fixedly the overlapping part of the small opening of lamellar body 9 become gradually greatly, thereby adjust the size of the water yield.

The spool of this throttle valve also can adopt other structure, as long as spool is provided with the communication passage that smallest cross-sectional can change by the rotation of handle.

A kind of slow pressure energy-saving tap as shown in Figure 3 comprises throttle valve 15, has valve 16 and water pipe 17 by function, the throttle valve that throttle valve 15 adopts shown in Fig. 1-2, and throttle valve 15 and valve 16 all are installed on the water pipe 17.

This slow energy-saving tap using method of pressing: open valve 16, just having less current flows out, can satisfy general operational requirement, when the big current of needs, rotate the handle 1 of throttle valve 15 by hand, handle 1 drives valve rod 5 and rotates, valve rod 5 drives regulates lamellar body 8 rotations, thereby make and regulate the overlapping area of lamellar body 8 and the small opening of fixing lamellar body 9 and become big, thereby make the smallest cross-sectional of communication passage become big, make that the current quantitative change is big.Release handle 1, return spring 4 drive handle 1, valve rod 5 and regulate lamellar body 8 and reset.Thereby recover than small flow.

Claims

1. throttle valve, it is characterized in that: comprise handle (1), valve body (2) and spool, spool one end is inserted in the valve body (2), the other end and handle (1) fix, be connected with return spring (4) between handle (1) and valve body (2), spool is provided with the communication passage that is communicated with valve body (2) import and outlet, and the smallest cross-sectional of communication passage becomes big gradually when application of force rotatable handle (1).

2. throttle valve according to claim 1, its feature in: described spool comprises valve rod (5), regulate lamellar body (8) and fixing lamellar body (9), valve rod (5) is rotating to be inserted in the valve seat (6), valve seat (6) fixes with valve body (2), regulate lamellar body (8) and fixedly lamellar body (9) be arranged in the valve seat (6), when valve rod (5) rotates, regulate lamellar body (8) and drive rotation by valve rod (5), fixedly lamellar body (9) does not rotate, fixedly have on the lamellar body (9) and the small opening that communicates in valve body (2) import, valve seat (6) is provided with portal (11) that communicate with the outlet of valve body (2), and small opening and portal (11) are connected by regulating lamellar body (8).

3. throttle valve according to claim 2, its feature in: described return spring (4) is enclosed within on the valve rod (5), and an end of return spring (4) is fixed on that handle (1) is gone up, the other end is fixed on the valve seat (6).

4. one kind is delayed the pressure energy-saving tap, comprise water pipe (17) and be separately positioned on two valves on the water pipe (17), it is characterized in that: have one to be throttle valve as described in claim 1,2 or 3 in described two valves, another valve is the valve that has by function.