CN101131216A

CN101131216A - Source-saving three-way valve

Info

Publication number: CN101131216A
Application number: CNA2006100531909A
Authority: CN
Inventors: 何再兰
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-08-23
Filing date: 2006-08-23
Publication date: 2008-02-27

Abstract

The three-way valve includes one valve body with one first port and one second port in the identical line, one third port in the vertical direction and sealing rings separately to the ports; one valve plug with one passage possessing three communication ports separately to the ports in the valve body; and one handle. The valve body and the handle have limiting lugs and limiting pins separately for limiting the turning angle of the handle within 90 deg in each direction. The three-way valve is connected to three-way pipeline for controlling the flow direction and on-off of fluid in the pipeline.

Description

A kind of source-saving three-way valve

Technical field

The present invention is a kind of source-saving three-way valve, is used for the medium in the pipeline is shunted, confluxed and dams.

Background technique

In existing three-way pipeline, the effect of threeway just is split into the master stream two tributaries or the master stream is confluxed in two tributaries, can not directly control damming between master stream and the tributary, in order to realize control to each pipeline, generally on master stream pipeline and tributary pipeline, stop valve is installed all, is realized that by the combination between each stop valve the connected sum between master stream pipeline and the tributary pipeline ends.Obvious, this annexation makes pipeline configuration complexity and accessory many, has increased the construction cost of pipeline, misoperation easily.

Summary of the invention

The technical assignment of the technical problem to be solved in the present invention and proposition is to overcome to exist in the existing three-way pipeline to realize connected sum pipeline configuration complexity, many defectives of use accessory when concerning between the master stream, and a kind of three-way valve is provided.For this reason, by the following technical solutions:

Three-way valve, comprise valve body, place the spherical valve plug in the valve body and link to each other with described valve plug and extend to valve body valve rod outward, the outer end of valve rod is connected with handle, it is characterized in that at the 3rd interface that is provided with on the valve body on first interface that is located along the same line and second interface and the direction vertical, between the inners of three interfaces and valve plug, be equipped with seal ring with described first interface, the second interface place straight line; Offer "  " shape passage on the described valve plug, and three connecting ports of this "  " shape passage are corresponding one by one with described three interfaces respectively; Be respectively arranged with the described handle of limit on described valve body and the handle and rotate 90 at least one direction ⁰Spacing lug and spacing hanging feet.

As the further of technique scheme improved and replenish, the present invention also comprises following additional technical feature:

Described valve rod is provided with the direction board that can rotate with valve rod, and this direction board subscript is shown with and the corresponding cue mark of described "  " shape passage.

Technique effect of the present invention is:

1, controlling valve plug by handle rotates in valve body, change the corresponding relation between three interfaces of three connecting ports of valve plug and valve body, connected sum in the realization three-way pipeline between master stream pipeline and the tributary pipeline ends, make it the effect that both possesses shunting, conflux, also possess between master stream pipeline and the tributary pipeline by and the effect that is communicated with, multi-purpose valve.

2, direction board can demonstrate the location status of valve plug in valve body intuitively, corresponding relation between the three people's connecting ports that promptly indicate the valve plug passage and three interfaces of valve body can be judged connected sum between three interfaces of valve body thus intuitively by relation; Connected sum between three interfaces that change valve body by the lever drive valve plug can effectively be avoided operate miss when concerning.

Description of drawings

Fig. 1 is structural representation of the present invention (along the sectional drawing of the straight line at the center line of valve rod and first, second interface place).

Fig. 2 is that the K-K of Fig. 1 is to sectional drawing (show valve plug a location status in valve body).

Fig. 3 is second the location status schematic representation of valve plug in valve body of invention.

Fig. 4 is three the location status schematic representation of valve plug in valve body of invention.

Fig. 5 is the indicating positions schematic representation corresponding with valve plug shown in Figure 2 position.

Fig. 6 is the position view of the direction board corresponding with valve plug shown in Figure 3 position.

Fig. 7 is the position view of the direction board corresponding with valve plug shown in Figure 4 position.

Embodiment

Embodiment one

Three-way valve shown in Fig. 1～7 mainly comprises valve body 3, spherical valve plug 15, valve rod 11, valve gap 9, handle 6 and direction board 12:

Valve body 3 is formed by connecting by body 2 and two

adapters

17,22, form the cavity 14 that holds the valve plug of hereinafter addressing 15 between them: body 2 has m-m, n-n and three directions of g-g that are perpendicular to one another, an extension part 8 is arranged on the m-m of body 2 direction, the side of extension part 8 forms two spacing lugs 5, forms first interface 1 on the n-n of body 2 direction; One of them takes over 17 by forming and second interface 18 of first interface 1 on same straight line on the n-n direction that is threaded in body 2, and another takes over 22 by forming the 3rd interface 23 on the g-g direction that is threaded in body 2.

Spherical valve plug 15 is a bulbous member, the connecting groove 4 that the valve rod 11 that offers in the top and hereinafter address is connected, offer "  " shape passage 20 by its center, should place in the aforesaid cavity 14 by spherical valve plug 15, first, second, third interface with valve body is corresponding respectively to make three connecting ports of A, B, C of passage 20, is equipped with first, second,

third seal ring

19,16,21 between the inner of first, second, third interface of valve body and valve plug.

Valve rod 11 is a shaft, and its inner is positioned at connecting groove 4 realizations of spherical valve plug 15 and being connected of spherical valve plug, and wherein portion is positioned at the extension part 8 of body 2, and its outer end extends to outside the body 2.Valve gap 9 is a screw thread shell-like member, and it is enclosed within on the valve rod 11 and by in the extension part 8 that is threaded in body, its lower end is equipped with sealing plug 7, and sealing plug 7 closely contacts with valve rod 11 with the extension part 8 of body under its pressure holding.

Handle 6 is connected the upper end of valve rod 11, and a spacing hanging feet 13 is set in the end of an end that closes on valve rod 11, the spacing lug 5 of this spacing hanging feet 13 and valve body extension part 8 sides matches and limits handle 6 and rotate in 180 ° of scopes, can rotate 90 ° respectively with clockwise direction in the counterclockwise direction relative to Fig. 3, position shown in Figure 6, change the location status of valve plug 15 in valve cavity 14 by valve rod 11 thus.

Direction board 12 is discoid, its upper surface has "  " shape mark 24, and (for convenience of description according to a, the b of "  " shape mark 24, c three ends, introduce a, b, c mark in this article, but this mark not fully on actual product) with three connecting ports of A, B, C of valve plug passage 20 one to one mode be connected the upper end of valve rod 11, thus, when handle with sleeve 6, direction board 12 rotates synchronously with valve plug 15, reaches A, the B of direction board indication valve plug passage, the effect of three connecting port location statuss of C.

Referring to Fig. 6, the a of direction board, b, c three ends first, second, third interface with valve body respectively are corresponding, first, second, third interface with valve body is corresponding respectively promptly to represent three connecting ports of passage A, B, C of spherical valve plug, judges that thus this three-way valve is in the state that first, second, third interface shown in Figure 3 communicates with each other.At this moment, any one interface can be connected with the master stream pipeline of three-way pipeline, and two interfaces then are connected with the tributary pipeline of three-way pipeline in addition, realizes the master stream pipeline internal medium is shunted to the tributary pipeline; Realize that perhaps the medium in the two tributary pipelines confluxes to the master stream pipeline.

Referring to Fig. 5, Fig. 6 clockwise direction handle with sleeve is 90 ° relatively, the c of direction board, b two ends first, second interface with valve body respectively are corresponding, first, second interface with valve body is corresponding respectively promptly to represent two connecting ports of channel C, B of spherical valve plug, judge that thus this three-way valve is in the state that first, second interface shown in Figure 2 is communicated with, the 3rd interface is in the state that ends.This moment, any one interface can be connected with the master stream pipeline of three-way pipeline, two interfaces then are connected with the tributary pipeline of three-way pipeline in addition: if first interface is connected with the master stream pipeline, then the medium in the pipeline of master stream can not be divided in the tributary pipeline that is connected with the 3rd interface, but all flow to tributary pipeline that second interface is connected in, perhaps the master stream pipeline that is connected with first interface be merely able to from tributary pipeline that second interface is connected in the acquisition medium and can not from tributary pipeline that the 3rd interface is connected in the acquisition medium; If second interface is connected with the master stream pipeline, then the medium in the pipeline of master stream can not be divided in the tributary pipeline that is connected with the 3rd interface, but all flow to tributary pipeline that first interface is connected in, perhaps the master stream pipeline that is connected with second interface be merely able to from tributary pipeline that first interface is connected in the acquisition medium and can not from tributary pipeline that the 3rd interface is connected in the acquisition medium; If the 3rd interface is connected with the master stream pipeline, then the medium in the pipeline of master stream can not be divided in the tributary pipeline that is connected with first and second interface, be in cut-off state, perhaps the master stream pipeline that is connected with the 3rd interface can not from tributary pipeline that first and second interface is connected in the acquisition medium.

Referring to Fig. 7, Fig. 6 counter clockwise direction handle with sleeve is 90 ° relatively, the a of direction board, c two ends the 3rd, second interface with valve body respectively are corresponding, the 3rd, second interface with valve body is corresponding respectively promptly to represent two connecting ports of passage A, C of spherical valve plug, judge that thus this three-way valve is in the state that second, third interface shown in Figure 4 is communicated with, first interface is in the state that ends.State shown in relative Fig. 5 of this state, 2 only is that the state of first interface and the 3rd interface changes to some extent, thus, describes according to leading portion, and the Placement of three interfaces and role and leading portion are described similar, do not give unnecessary details at this.

Embodiment two

Relative embodiment one changes the cooperation position of spacing lug and spacing hanging feet, and Joystick is merely able to rotate to a direction (clockwise direction or counterclockwise), and valve plug has only two location statuss in the cavity of valve body so.

Claims

1. three-way valve, comprise valve body (3), place the spherical valve plug (15) in the valve body (3) and link to each other with described valve plug (15) and extend to valve body (3) valve rod (11) outward, the outer end of valve rod (11) is connected with handle (6), it is characterized in that at the 3rd interface (23) that is provided with on the valve body (3) on first interface (1) that is located along the same line and second interface (18) and the direction vertical, between the inners of three interfaces (1,18,23) and valve plug (15), be equipped with seal ring (19,16,21) with described first interface (1), second interface (18) place straight line; Offer "  " shape passage (20) on the described valve plug (15), and three connecting ports (A, B, C) of this "  " shape passage (20) are corresponding one by one with described three interfaces (1,18,23) respectively; Be respectively arranged with spacing lug (5) and the spacing hanging feet (13) of the described handle of restriction on described valve body (3) and the handle (6) to 90 ° of at least one direction rotations.

2. three-way valve according to claim 1 is characterized in that described valve rod (11) is provided with the direction board (12) that can rotate with valve rod, and this direction board (12) subscript is shown with and the corresponding cue mark (24) of described "  " shape passage.