CN2175854Y - Fully opening-closing fluid controlling valve structure - Google Patents

Abstract

The utility model discloses a fully opening-closing fluid control valve structure. The inner part of a three-way pipe body is hollow, and the interior of the pipe wall at the transferring part between a fluid inlet and a fluid outlet forms a shrinkage hole chamfer surface. The front end of a valve rod, which is sheathed with a sealing ring gasket, stretches into the three-way pipe from the other end of the fluid inlet, and the parietal margin of the valve rod is connected with a stop block whose side is sheathed with an O-shaped ring for preventing leakage. A guide ring socket sleeve is arranged at the periphery of the valve rod and be fastened to inner part of the three-way pipe body. The parietal margin of the guide ring socket sleeve is provided with a sliding chute for the stop block on the parietal margin of the valve rod to plug, the front end of the guide ring socket sleeve forms a helical end face, and the two sides of the flanged O-shaped ring are respectively sheathed in the back end of the guide ring socket sleeve and the inner hole margin that is at the front end of an end plug.

Description

Fully opening-closing fluid controlling valve structure

The utility model relates to a kind of valve mechanism, particularly relates to a kind of structure of standard-sized sheet enclosed control valve for fluids, and its operation control is rapid, convenient and the interior crushing of pipeline is little, flow is big, it can satisfy the demand of various operating modes, more has long service life concurrently, the characteristics of low cost of manufacture.

With regard to present existing control valve for fluids, can roughly be divided into two kinds, be leading formula and switching type, the structure of wherein leading formula control valve for fluids as shown in Figure 1, it is to form a fluid passage in the inside of a threeway bend pipe A, and establishes a fluid entrance B and a fluid outlet section C respectively in two mouths of pipe of bend pipe A, and this fluid input section B becomes vertical setting with fluid output section C, and a retaining edge D is established in turning point therebetween, and wears a through hole E on retaining edge D; Mouth of pipe place for the fluid input section B the other end sets firmly a cap stopper F, be nested with an elastomeric O-rings circle G with leakproof behind the peripheral thread of cap stopper F and in the middle of before the bulge loop, stomidium the interior of the body belonging to YIN screw thread and spiral valve rod H external screw thread are screwed behind this cap stopper F, end system extends in the fluid passage before this spiral valve rod H, and with the baffle pad I of its sheathed foremost rubber material; After spiral valve rod H, hold the solid handle J of spiral shell in addition, but mat rotation handle J protracts spiral valve rod H, make spiral valve rod H front end baffle pad I before end face be affixed on side within the retaining edge D, through sealing through hole E, fluid promptly can't be flowed out by fluid output section C; Otherwise as back suction rotation handle J, spiral valve rod H can revolve backward and move back, and baffle pad I is separated with retaining edge D, and fluid gets final product via through holes E and flowed out by fluid output C; Treat that spiral valve rod H external screw thread moves back to the greatest extent, the fluid passage becomes opening state, and this moment is by the flow maximum of fluid output C outflow.

Yet, this kind custom leading formula control valve for fluids commonly used, in order to open or to close, desire reduces the rotating cycle of spiral valve rod H, so that shorten passage, so the retaining edge D of its through hole E inner circumference edge is placed under the turnover of passage between fluid input section B and the flow outlet section C, causes the convection cell passage and cause obstruction; Moreover, for can be one-body molded for retaining edge D and be connected within the fluid passage, thus a protruding lip K be provided with in the bottom of fluid output section C, and this protruding lip K has hindered the fluid passage more, the crushing when the increase fluid is flowed through passage causes the flow that has reduced fluid; To go out the length of big C place pipeline too short because of its fluid again, and when pegging graft defeated stream copper pipe in fluid output C, the bottom of body easily contacts with protruding lip K, also will cause the fluid mobile obstacle.In addition, the leading formula control valve for fluids of this kind, when its desire opened and closed fluid passage, a few began to finish all need to rotate handle J, thus its to control sense inconvenient, and when closing the fluid passage, also cause fluid wastage; When being threaded to standard-sized sheet or sealing because of its spiral valve rod H again, the spiral valve rod H 3mm millimetre that is shifted approximately) about, when being standard-sized sheet spiral valve rod H front end baffle pad I and sweep between edge D between the only about 3mm in crack, cause that to influence flow very big, and lose time, be that end face is posted by side within the retaining edge D before borrowing baffle pad I because of it elsewhere, with closed fluid passages, fluid can't be flowed out, yet this baffle pad I very easily causes elastic fatique or wearing and tearing after a period of time uses, and loses and change the inconvenience of repairing in the use of generation fluid leaks, especially when labor wage now is surging, this real necessity that haves much room for improvement.

The structure of another kind of switching type control valve for fluids as shown in Figure 2, this kind control valve lies within the valve seat L and establishes always to the fluid passage, and in the fluid passage, bury underground and insert arc ball valve M, and the periphery of this arc ball valve M is tied to form sealing, its inside then becomes hollow, and connect with its both sides, the periphery of this arc ball valve M is coated with one deck N again, and is connected with an actuating strut O in apical margin.This actuating strut O system extend out on the valve seat L, and borrow a nut P to screw togather one in its top to switch handle Q, and that this switching handle Q must protrude in the projection R, the plate between S of valve seat L periphery is moving, rotate to control arc ball valve M, be the conducting fluid passage or sealed, and reach the effect that the control fluid flows out or sealed.

Through looking into, this kind switching type control valve is though it can become opening and closing of fault by a switch fluids passage, but it only limits to use when two pipelines become straight-through situation, if when desiring to be made for the elbow control valve and using, must install elbow and joint additional, this measure has not only increased cost of parts, and wastes man-hour; After it installed elbow and joint additional again, whole was bulky, also was short of attractive in appearancely, and will increase because of the pipeline seam crossing, caused and caused flow resistance to strengthen, and influenced flow velocity.This kind switching type control valve for fluids directly, because of being subjected to the restriction of internal structure, so arc ball valve M internal orifice dimension is still little than the both sides caliber, has increased the crushing of fluid within its fluid passage in addition, causes and has reduced fluid flow, also has the defective on using.

At above-mentioned two kinds of existing defectives of control valve for fluids, the purpose of the utility model is to provide a kind of like this structure of standard-sized sheet enclosed control valve for fluids, it is easy to use, flexible operation, controls the fluid passage rapidly and helps the state of closing that opens or closes, can discharge rapidly fluid or rapidly deadend it.

Another purpose of the application provides a kind of like this pipeline, and its fluid input section is identical to the channel cross-section between outlet section, makes fluid unblocked, and crushing is little, flow is big.

The application's another purpose provides a kind of demand that is suitable for various behaviours in service, and can adjust the packing degree of closed fluid passages, to strengthen its working life.

Another purpose of the application provides a kind of easy to manufacture, and the assembling simple elements is in the hope of reaching the purpose that reduces cost.

For achieving the above object, the utility model has been taked following technical measures: this structure comprises: threeway body, a valve rod, lead a ring seat, flanged type O type ring, end plug and control sleeve and combine.Wherein become hollow within the threeway body, and form the oblique chamfer surface of a shrinkage cavity in fluid input and the tube wall inner face that exports switching place; And before the valve rod end by fluid input in addition the mouth of pipe of end stretch in the threeway body, and be nested with a sealing ring pad in front end, the apical margin of valve rod is connected a limiting stopper, the limiting stopper side is with a leakproof O type ring.Lead a ring seat and be placed in outside the valve rod and enclose, and be fixed within the threeway body, and establish a chute in its apical margin, be dissolved in it for the limiting stopper on the valve rod apical margin, end was tied to form the helical end face before this led a ring seat; The both sides of flanged type O type ring are nested with the hole inner edge of leading a ring seat rear end and end plug front end respectively; And control sleeve and valve stem end are screwed.Can become standard-sized sheet or sealing with control threeway body and his like body passage by front and back pulling control sleeve, and rotatable control sleeve, the valve rod packing is fixed, use last effect to reach it.

The utility model is described in further detail below in conjunction with accompanying drawing:

Fig. 1 is the sectional view of the leading formula control valve for fluids overall structure of prior art

Fig. 2 is the structure sectional view of prior art switching type control valve for fluids

Fig. 3 is the plan view of Fig. 2

Fig. 4 is a three-dimensional exploded view of the present utility model

Sectional view when Fig. 5 helps opening state for the utility model

Sectional view when Fig. 6 becomes full closeding state for the utility model.

As shown in Figure 4, the utility model mainly comprises: threeway body 1, a valve rod 2, lead a ring seat 3, flanged type O type ring 4, end plug 5 and control sleeve 6.

Shown in Fig. 5-6, wherein threeway body 1 is a formed body for another example, and its inside is hollow, but so that form the fluid passage of a standard-sized sheet; And the horizontal mouth of pipe of one of this threeway body 1 is a fluid input section 11, and is provided with external screw thread in its outer rim, can be for being screwed with the delivery pipe that connects the drainage body; And the horizontal mouth of pipe of its other end is for valve rod 2, leads a ring seat 3 and flanged type O type ring places in it, and is screwed togather sealing with end plug 5.Its vertical mouth of pipe is a fluid outlet section 12 again, and for the usefulness of fluid discharge, and edge is provided with external screw thread outside the vertical mouth of pipe, can be screwed together in its top for a cap 13, and the drainage copper pipe of pegging graft again can transport fluid into for the utensil place that uses or store up Sheng; The caliber of this fluid input section 11 and fluid output section 12 connections in addition, be than fluid input 11 in addition the horizontal pipeline of end contract in slightly, and form an oblique chamfer surface 14 in the interior place's tube wall inner face that contracts; Moreover in the root edge of the horizontal pipeline of the other end, be connected with a projection 15, and the heart is provided with the screw 151 of consistent poling wall among projection 15, can screw in for projection 15 bottoms of a spiral shell pin 16 from threeway body 1, and the bottom in the screw thread of screw 16 is arranged with a rubber washer 161, to be of value to enhancement tightness therebetween.

Valve rod 2 is a moulding garden shape body of rod, and its front end system stretches within the threeway body 1, and in it near locating to establish a ring edge 21 bigger foremost than fluid input section 11 calibers, end connects a stepped bar head 22 before the ring edge 21, and the periphery in bar head 22 closely is equipped with a packer ring pad 23, edge has chamfering before the sealing rubber ring pad 23, this chamfering is to establish according to the angle of the oblique chamfer surface 14 of threeway body 1 tube wall inner face shrinkage cavity, ora terminalis can fine and closely wovenly be posted by edge within the oblique chamfer surface 14 before making sealing ring pad 23, the fluid passage must be sealed.Be connected with a limiting stopper 24 in valve rod 2 apical margins in addition, and establish an annular groove in the side of limiting stopper 24, and be equipped with an O type ring 25 within annular groove, the periphery of this O type ring 25 slightly protrudes from the garden side face of valve rod 2.Moreover threeway body 1 place is stretched out by end system after the valve rod 2, and in its end one square abaculus 26 is arranged, and the heart is offered a screw 261 among square abaculus 26 again, can for control sleeve pipe 6 lock admittedly mutually.

Leading a ring seat 3 also is one-body molded making, its external diameter is slightly less than on the threeway body 1 fluid input 11 and holds footpath within the pipeline in addition, can be for being placed in it, and in the root edge of its front end, be equipped with a positioning hole 31, penetrate for screw 16 tops of revolving the screw 151 in threeway body 1 root edge projection 15, be fixed within the threeway body 1 and will lead a ring seat 3; The heart is penetrated with a stepped center hole 32 among leading a ring seat 3 again, and the minimum-value aperture system of this stepped center hole 32 is a bit larger tham footpath outside the valve rod 2, can pass its inner rim for valve rod 2, and backward shift before following; And hold before these stepped center hole 32 minimum-value apertures and the jointing place of larger aperture, system is and expands gradually and form taper retaining lip 33, can be at the bottom of the periphery of the sheathed O type ring 25 of institute on the valve rod 2 and be against its inner rim, in case the fluid stopping body is by passing through therebetween, lead the apical margin of a ring seat 3 again and offer a chute 34, this chute 34 is to communicate with stepped center hole 32, and its front end has an opening, can place in the chute 34 for the limiting stopper 24 of valve rod 2 apical margins; The end of chute 34 is tied to form sealing in addition, so that the going-back position of restriction limiting stopper 24.The multiple chute 34 both sides cording of opening foremost has the front and back potential difference; End forms a helical ora terminalis before leading a ring seat 3, be posted by oblique chamfer surface 14 places in the threeway body 1 so as to project forwardly to sealing ring pad 23 when valve rod 2, when closing the fluid passage, end is suitable after the limiting stopper 24 on the valve rod 2 can be resisted against the chute 34 side place of contracting after comparatively, valve rod 2 must be turned clockwise towards the spiral ora terminalis, valve rod 2 is got slightly to protract again, and will make sealing ring pad 23 packing a little, prevent that fluid from draining in the fluid passage, simultaneously can prevent that valve rod 2 from retreating, close state to guarantee that the fluid passage becomes, and can prolong sealing ring pad 23 and cause the effect of attrition life-span because of long-time use.

Flanged type O type ring 4 is made by rubber material, is to extend a side flange ring and constitute to outer arcuate respectively in the both sides periphery of a round ring circle; And wherein feel concerned about into perforation, can be for the garden side face that tightly is placed in valve rod 2, again its two side flanges system respectively cover insert hole 51 inner edges of the hole 32 of leading a ring seat 3 rear ends and end plug 5 front ends, in case fluid stopping body seepage flow is to the end plug 5.

End plug 5 is a round ring cap, and its center is that penetration hole 51 can pass for the not end of valve rod 2, and is provided with external screw thread 52 in the one end, can be screwed for fluid input 11 other the horizontal mouth of pipe inner edges of end with threeway body 1; End is equipped with an O type ring 53 after this external screw thread 52 again, and the horizontal mouth of pipe is given fine and closely woven sealing; End is connected with a hexagonal termination 54 after end plug 5 in addition, for spanner end plug 5 is given solid lock.

Control sleeve 6 is by inside and outside two cylindrical shell be combined intos, and its inside is tied to form hollow, is inserted in edge outside the three-way pipe body 1 horizontal pipeline by front end; This inner core system is made with transparent materials again, and outer cylinder body then is to make with transparent material, and is provided with non-slip nosing in its surface; End face is tied to form sealing after the application cylinder 6 again, and offer a square mouth 61 that runs through inside and outside cylindrical shell in its center, square abaculus 26 for valve rod 2 ends passes, and it is intermarginal outside the square abaculus 26 of face and valve rod 2 within inner barrel square mouth 61, be equipped with a metal washer 62, to strengthen the intensity of phase joint surface therebetween; Edge is established a shrinkage pool 63 than big external diameter outside the square mouth 61 on the outer cylinder body in addition, can insert retaining for a metallic shim 64 and be against its inner face, borrow screw thread 65 to pass pad 64 and screw in the screw 261 at abaculus 26 centers, and valve rod 2 and control sleeve 6 are screwed, so that forward and backward pulling or propelling movement control sleeve 6, drive band valve rod 2 and advance or retreat, become sealing or full-gear with the control fluid passage; Multiple within shrinkage pool 63 edge fill in a cap 66, with the integrity of promoting control sleeve 6 and attractive in appearance.

The application's using method, when desire is opened the fluid passage of threeway body 1 inside, be rotated counterclockwise control sleeve 6 earlier, and pull back it, valve rod 2 promptly follow lead a ring seat 3 chute 34 to backward shift, the periphery of O type ring 25 on the valve rod 2 then promptly is resisted against rapidly and leads interior tapers retaining lip 33 inner edges of a ring seat 3, and this moment, the fluid passage reached full-gear; If slightly execute again in addition and pull back control sleeve 6 in power, then the limiting stopper 24 of valve rod 2 apical margins is against retaining at the not end of leading a ring seat 3 upper hopper chutes 34, O type ring 25 was able to packing more and entered and lead in the ring seat 3 edge within the place, center hole 32 minimum-value apertures this moment, more can strengthen valve rod 2 and lead adaptation (as shown in Figure 5) between the ring seat 3.Otherwise; When desiring closed fluid passages, the power that only must put on slightly pushes control sleeve 6 forward, valve rod 2 promptly follows the chute 34 of leading a ring seat 3 and protracts rapidly, do to cut off the action of fluid, treat the chamfering of sealing ring pad 23 leading edges that valve rod 2 is nested with foremost, fit in the oblique chamfer surface 14 of shrinkage cavity in the threeway body 1, the fluid passage closed condition.Limiting stopper on the valve rod 2 this moment 24 is fitted and can be butted on the opening of leading a ring seat 3 apical margin chutes 34 front ends in addition, and can go clockwise speech again to Spin Control sleeve 6 slightly, limiting stopper 24 is followed lead the helical ora terminalis of a ring seat 3 front ends to rotate a small angle, 23 packings forward of fine and close seal ring pad, and avoid valve rod 2 to retreat, reach the state of the close fluid of tightening seal really; Again since before the helical ora terminalis back potential difference enough big, can avoid still can prolonging the working life of sealing ring pad 23, and borrowing helical dextrorotation that valve rod 2 is protracted because of sealing ring pad 23 uses when causing wearing and tearing through long-term, have the effect of laborsaving cut-out fluid.

Advantage and good effect:

In sum, it is convenient that the application can reach fully, controls rapidly the effect that the fluid passage becomes standard-sized sheet or sealing; And when the full open state, it is identical to the runner section of 12 of fluid issuing sections by fluid intake section 11, is not subjected to the impact of valve rod 2, so its fluid passage is unblocked, and it is little to reach crushing, the purpose that flow is big. Moreover the application's case is adjusted the packing of sealing ring pad 23 by means of potential difference after before the helical form ora terminalis, service life that more can useful increase sealing ring pad 23 and exempt inconvenience on the repair; And The manufacturing of its each parts is very easy with combination, so can fully reduce manufacturing cost. In the use, for cooperating the convenient needs that external pipeline is installed, the length of the horizontal pipeline of its fluid intake section 11 and the vertical duct of the fluid section of going out 12 all is to design according to the demand of actual use, so it must not install elbow or other lock member additional; For example: when being used for domestic hygiene bathing pool equipment, external output copper pipe gets vertically to connect and causes water heater or sanitary equipment, and must be with bending, so the application's case can conveniently be applicable to the behaviour in service of various differences.

After measured, existing like product relatively on this products and marketing, its crushing only is 1/10th of existing procucts, the inventor also carries out site test to operating position, same install and behaviour in service under its effect far be superior to like product, its rate of discharge is three times of like product under same operating mode.

Claims (2)

1, a kind of structure of standard-sized sheet enclosed control valve for fluids, mainly comprise threeway body, valve rod, ring seat, end plug, fluid input section and outlet section, it is characterized in that: threeway body inside is tied to form hollow, but to form the fluid passage of a standard-sized sheet, and the horizontal mouth of pipe of one is that another horizontal mouth of pipe of fluid input section is a related elements socket, and its vertical mouth of pipe is a fluid outlet section.And contract in slightly in the caliber of this fluid input section and fluid output section connection, to form an oblique chamfer surface;

One valve rod, its front end extends within the threeway body, and connects a stepped bar head in its front end, and closely is nested with a packer ring pad in the periphery of bar head, edge is provided with chamfering before the sealing rubber ring pad, can supply the fine and closely woven edge within the oblique chamfer surface of threeway body that is posted by; The apical margin of valve rod connects a limiting stopper, and the limiting stopper side is established an O type ring circle; Do not hold in valve rod in addition and establish a square abaculus, the heart is established a screw among the square abaculus;

One leads a ring seat, be put within the threeway body, and its center runs through and establish a stepped center hole, can pass its inner rim for valve rod, and end system is expansion gradually before this stepped center hole minimum-value aperture, forms taper retaining lip; And establish a chute in the apical margin of leading a ring seat, and and establish an opening in its front end, can penetrate in it for the limiting stopper of valve rod apical margin, hold the curl ora terminalis before leading a ring seat, and its chute potential difference before and after the both sides of opening have foremost;

One flanged type O type ring circle system makes with the rubber material, and it fastens the garden side face that is placed in valve rod, and its both sides periphery that lies in a garden annular ring extends a side flange ring to outer arcuate respectively and forms; This both sides flange ring system is placed on the hole inner edge of leading a hole of ring seat rear end and end plug front end respectively;

One end plug is a garden shape nut, and the one end is established external screw thread, can be screwed for the related elements socket inner edge with the threeway body, and end is put an O type ring after its external screw thread, and connects a hexagonal termination in its rear end;

One control sleeve, its front end system is placed in edge outside the three-way pipe body member socket, and its rear end is tied to form sealing, and offer a square mouth that runs through in the center, and can passing for the square abaculus that valve rod is not held, edge is established the shrinkage pool of big external diameter outside the square mouth again, the built-in metallic shim of shrinkage pool, and pass pad with a screw, and screw in valve rod and do not hold in the screw at square abaculus center, valve rod and control sleeve are screwed.

2, the structure of complete shut-down enclosed control valve for fluids as claimed in claim 1, it is characterized in that: the threeway body holds the root edge of horizontal pipeline to connect a projection by the fluid input section in addition, the heart is established the screw of consistent poling wall among the projection, can screw in by the bottom for a screw, and the top of this screw system stretches into one and is located at and leads in the ring seat front end positioning hole, is fixed within the threeway body and will lead a ring seat.

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