CN104500773A - Double-ball combination valve - Google Patents

Double-ball combination valve Download PDF

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Publication number
CN104500773A
CN104500773A CN201410783710.6A CN201410783710A CN104500773A CN 104500773 A CN104500773 A CN 104500773A CN 201410783710 A CN201410783710 A CN 201410783710A CN 104500773 A CN104500773 A CN 104500773A
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CN
China
Prior art keywords
valve
ball
needle
valve mechanism
gland
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410783710.6A
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Chinese (zh)
Inventor
刘庆国
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201410783710.6A priority Critical patent/CN104500773A/en
Publication of CN104500773A publication Critical patent/CN104500773A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0663Packings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08Details

Abstract

A double-ball combination valve comprises a long-tube-shaped valve body, two ball valve mechanisms, a needle valve mechanism and a plug screw. A main medium flow passage is arranged in the center of the valve body, valve seats and valve balls of the two ball valve mechanisms are all arranged in the main medium flow passage. The side face of the valve body is provided with a plug screw mounting hole and a needle valve mechanism assembly hole, the valve body is provided with a first branch flow passage extending from one section of the main medium flow passage between the two ball valve mechanisms to the needle valve mechanism assembly hole, the valve body is further provided with a second branch flow passage used for communicating the needle valve mechanism assembly hole with the plug screw mounting hole, a stud of the plug screw is screwed into the plug screw mounting hole, the needle valve mechanism is assembled in the needle valve mechanism assembly hole, and a conical valve clack of the needle valve mechanism is arranged at an outlet, located inside the needle valve mechanism assembly hole, of the first branch flow passage. The two independent ball valve mechanisms, the needle valve mechanism and the plug screw are connected onto the same valve body, so that the double-ball combination valve is reasonable and compact in structure, multifunctional, good in rigidity, few in hidden leak points, high in reliability and long in service life.

Description

A kind of two ball combination brake switch and proporting
Technical field
The present invention relates to valve technology field, be specifically related to a kind of two ball combination brake switch and proporting.
Background technique
Need in a few thing environment to install multiple valve, as installed needle type valve and plural ball valve simultaneously, install two kinds of valves simultaneously and need take installing space greatly, pipeline is laid complicated, the pipeline that some installing spaces are narrow and small is difficult to realize simultaneously.
Need badly in prior art one integrate two ball valves and needle type valve, rational in infrastructure compact, take up room less, diverse in function, easy-to-install pair of ball combination brake switch and proporting.
Summary of the invention
The object of the invention is the deficiency existed to overcome prior art, providing a kind of and integrate two ball valves and needle type valve, compact, little, the diverse in function of taking up room rational in infrastructure, be easy to installation, good rigidly, hidden danger leakage point is few, reliability is high, two ball combination brake switch and proporting of long service life.
The present invention is achieved by the following technical solutions: a kind of two ball combination brake switch and proporting, comprise the valve body of long tubular, two ball valve mechanism, a needle type valve mechanism and a plug screw, the center of described valve body is provided with main medium runner, the valve seat of two described ball valve mechanism and valve ball are all arranged at described main medium runner, the side of described valve body is provided with plug screw mounting hole and needle type valve mechanism pilot hole, described valve body is provided with the first runner extended to described needle type valve mechanism pilot hole from one section of main medium runner between two described ball valve mechanism, described valve body is provided with the second runner for being communicated with described needle type valve mechanism pilot hole and plug screw mounting hole, the stud of described plug screw is bolted in described plug screw mounting hole, described needle type valve mechanism pilot hole is equipped with described needle type valve mechanism, the coniform flap of described needle type valve mechanism is arranged at the outlet of the first runner in needle type valve mechanism pilot hole.
Described ball valve mechanism comprises two valve seat support rings, two valve seats, valve ball, valve gap and valve rod, described valve body is provided with two pilot holes extended to middle part from the outer surface of this valve body, described main medium runner is provided with spool installation position immediately below pilot hole, described valve seat support ring, described valve seat and described valve ball are all installed in this spool installation position, what two valve seats were facing each other is arranged on two valve seat support rings, described valve ball is arranged between two valve seats, described valve gap is covered on described pilot hole, described valve gap is fixedly connected with described valve body by bolt, described valve rod is passed down through described valve gap and is connected with the upper end portion of described valve ball, described valve gap and described valve rod, all be sealed and matched by seal ring between described valve body.
The upper center of described valve gap is provided with packing groove in the surrounding of described valve rod, and be provided with packing layer in packing groove, packing groove is provided with Gland in the upper end of packing layer.
Described valve gap is provided with positioning cylinder in the upper end of packing groove, the middle part of described positioning cylinder is provided with positioning plate installation cavity, the left and right sides of described positioning plate installation cavity is provided with two confined planes facing each other, positioning plate is provided with in described positioning plate installation cavity, described positioning plate comprises two arc transition portions facing each other and facing each other two spacing corners, spring is provided with between positioning plate and described Gland, the middle part of described limiting board is provided with waist through hole, the part that described valve rod is identical with this waist through hole shape is arranged in this waist through hole, the web portion of handle is covered on described positioning cylinder, the upper end of described positioning plate, described valve rod is spirally connected through the web portion of handle and a nut.
The medium inlet of described valve body and media outlet are respectively arranged with end cap and connecting body, the columnar part of end cap and connecting body extends to corresponding spool installation position, a described valve seat support ring takes shape in the end of the columnar part of described end cap, a described valve seat support ring takes shape in the end of the columnar part of described connecting body, be provided with seal ring between another two valve seat support rings and described valve body, described end cap, all sealed by seal ring between described connecting body and described valve body.
The axle of the valve rod of two described ball valve mechanism is mutually vertical.
Described needle type valve mechanism also comprises needle valve seat, valve shaft, needle-valve packing layer, gland, gland nut and handwheel, described needle valve seat is connected on described needle type valve mechanism pilot hole, described valve shaft is passed down through described needle valve seat and is connected with described coniform flap, described needle-valve packing layer is arranged in the packing cavity of described needle valve seat, the bottom of described gland is arranged in described packing cavity, the lower end surface of described needle valve seat is installed with the upper end of described needle-valve packing layer, bottom and the described needle valve seat of described gland are spirally connected, described gland is bolted with gland nut in the upper end of described needle valve seat, described valve shaft protrudes upward through described gland, described valve shaft is threaded with described gland, what described handwheel was connected to described valve shaft protrudes upward portion.
The invention has the beneficial effects as follows: the present invention collect two independently ball valve mechanism, needle type valve mechanism, plug screw be connected on same valve body, there is compact, little, the diverse in function of taking up room rational in infrastructure, be easy to installation, good rigidly, hidden danger leakage point is few, reliability is high, the advantage of long service life.
Accompanying drawing explanation
Fig. 1 is the first cross-sectional view of the present invention;
Fig. 2 is structural representation of the present invention;
Fig. 3 is the second cross-sectional view of the present invention;
Fig. 4 is the structural representation of positioning plate.
In the drawings: 1-end cap; 2-first seal ring; 3-valve body; 4-the one O RunddichtringO; 5-valve gap; 6-bolt; 7-sealing gasket; 8-positioning plate; 9-spring; 10-nut; 11-Gland; 12-packing layer; 13-handle; 14-valve rod; 15-the 2nd O RunddichtringO; 16-the 3rd O RunddichtringO; 17-Upper gasket; 18-valve seat support ring; 19-valve seat; 20-valve ball; 21-the 4th O RunddichtringO; 22-second seal ring; 23-connecting body; 24-needle type valve mechanism; 25-the 5th O RunddichtringO; 26-plug screw; 27-ball valve mechanism; The coniform flap of 28-; 29-valve shaft; 30-needle valve seat; 31-needle-valve packing layer; 32-gland; 33-gland nut; 34-handwheel; 35-positioning cylinder.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
As shown in Figure 1-Figure 3, a kind of two ball combination brake switch and proporting, comprise the valve body 3 of long tubular, two ball valve mechanism 27, a needle type valve mechanism 24 and a plug screw 26, the center of valve body 3 is provided with main medium runner, valve seat 19 and the valve ball 20 of two ball valve mechanism 27 are all arranged at main medium runner, the side of valve body 3 is provided with plug screw mounting hole and needle type valve mechanism pilot hole, valve body 3 is provided with the first runner extended to needle type valve mechanism pilot hole from one section of main medium runner between two ball valve mechanism 27, valve body 3 is provided with the second runner for being communicated with needle type valve mechanism pilot hole and plug screw mounting hole, the stud of plug screw 26 is bolted in plug screw mounting hole, needle type valve mechanism pilot hole is equipped with needle type valve mechanism 24, the coniform flap 28 of needle type valve mechanism 24 is arranged at the outlet of the first runner in needle type valve mechanism pilot hole.
The present invention collect two independently ball valve mechanism 27, needle type valve mechanism 24, plug screw 26 be connected on same valve body 3, have rational in infrastructure compact, function is many, good rigidly, hidden danger leakage point is few, reliability is high, the advantage of long service life.
As shown in Figure 1, ball valve mechanism 27 comprises two valve seat support rings 18, two valve seats 19, valve ball 20, valve gap 5 and valve rod 14, valve body 3 is provided with two pilot holes extended to middle part from the outer surface of this valve body 3, main medium runner is provided with spool installation position immediately below pilot hole, valve seat support ring 18, valve seat 19 and valve ball 20 are all installed in this spool installation position, what two valve seats 19 were facing each other is arranged on two valve seat support rings 18, valve ball 20 is arranged between two valve seats 19, valve gap 5 is covered on pilot hole, valve gap 5 is fixedly connected with valve body 3 by bolt 6, valve rod 14 is passed down through valve gap 5 and is connected with the upper end portion of valve ball 20, sealing gasket 7 is provided with between valve gap 5 and valve body 3, 2nd O RunddichtringO 15, valve gap 5 and valve rod 14 are provided with the 3rd O RunddichtringO 16.
Valve gap 5 is connected by bolt 6 with valve body 3, and valve ball 20 and valve rod 14 adopt and fill formula, solves conventional construction and loads valve ball 20 at internal channel, cannot realize assembly problem when sphere diameter is larger.
See Fig. 1, the columnar part in the middle part of valve gap 5 lower end stretches in the pilot hole of valve body 3 downwards, and valve rod 14 is provided with convex annular edge in the lower end of the lower end columnar part of valve gap 5, is provided with Upper gasket 17 between convex annular edge and valve gap 5.The upper center of valve gap 5 is provided with packing groove in the surrounding of valve rod 14, and be provided with packing layer 12 in packing groove, packing groove is provided with Gland 11 in the upper end of packing layer 12.
As Fig. 1, shown in Fig. 4, valve gap 5 is provided with positioning cylinder 35 in the upper end of packing groove, the middle part of positioning cylinder 35 is provided with positioning plate 8 installation cavity, the left and right sides of positioning plate 8 installation cavity is provided with two confined planes facing each other, positioning plate 8 is provided with in positioning plate 8 installation cavity, positioning plate 8 comprises two arc transition portions facing each other and facing each other two spacing corners, spring 9 is provided with between positioning plate 8 and Gland 11, the middle part of limiting board is provided with waist through hole, the part that valve rod 14 is identical with this waist through hole shape is arranged in this waist through hole, the web portion of handle 13 is covered on positioning cylinder 35, the upper end of positioning plate 8, valve rod 14 is spirally connected through the web portion of handle 13 and a nut 10.Ball valve mechanism 27 adopts the built-in positioning plate 8 of innovation, effectively saves space, accurate positioning.
As shown in Figure 1, the medium inlet of valve body 3 and media outlet are respectively arranged with end cap 1 and connecting body 23, the columnar part of end cap 1 and connecting body 23 extends to corresponding spool installation position, a valve seat support ring 18 takes shape in the end of the columnar part of end cap 1, by the first seal ring 2 between end cap 1 and valve body 3, one O RunddichtringO 4 is sealed and matched, a valve seat support ring 18 takes shape in the end of the columnar part of connecting body 23, by the 4th O RunddichtringO 21 between connecting body 23 and valve body 3, second seal ring 22 is sealed and matched, the 5th O RunddichtringO 25 is provided with between another two valve seat support rings 18 and valve body 3, 5th O RunddichtringO 25 seals at the cylindrical of valve seat support ring 18 and the back side simultaneously, valve seat 19 is nonmetal, be embedded in valve seat support ring 18, effectively prevent cold flow, seal more stable.
As shown in Figure 2, the axle of the valve rod 14 of two ball valve mechanism 27 is mutually vertical.The handle 13 of two ball valve mechanism 27, not at same operation planar, is interfered when avoiding operation mutually, solves the not enough mutability Problem of Failure of high handle 13 rigidity in traditional one high and one low handle 13 structure.
As shown in Figure 3, needle type valve mechanism 24 also comprises needle valve seat 30, valve shaft 29, needle-valve packing layer 31, gland 32, gland nut 33 and handwheel 34, needle valve seat 30 is connected on needle type valve mechanism pilot hole, valve shaft 29 is passed down through needle valve seat 30 and is connected with coniform flap 28, needle-valve packing layer 31 is arranged in the packing cavity of needle valve seat 30, the bottom of gland 32 is arranged in packing cavity, the lower end surface of needle valve seat 30 is installed with the upper end of needle-valve packing layer 31, bottom and the needle valve seat 30 of gland 32 are spirally connected, gland 32 is bolted with gland nut 33 in the upper end of needle valve seat 30, valve shaft 29 protrudes upward through gland 32, valve shaft 29 is threaded with gland 32, what handwheel 34 was connected to valve shaft 29 protrudes upward portion.
Finally should be noted that; above content is only in order to illustrate technological scheme of the present invention; but not limiting the scope of the invention; the simple modification that those of ordinary skill in the art carries out technological scheme of the present invention or equivalently to replace, does not all depart from essence and the scope of technical solution of the present invention.

Claims (7)

1. a two ball combination brake switch and proporting, comprise the valve body of long tubular, it is characterized in that: also comprise two ball valve mechanism, a needle type valve mechanism and a plug screw, the center of described valve body is provided with main medium runner, the valve seat of two described ball valve mechanism and valve ball are all arranged at described main medium runner, the side of described valve body is provided with plug screw mounting hole and needle type valve mechanism pilot hole, described valve body is provided with the first runner extended to described needle type valve mechanism pilot hole from one section of main medium runner between two described ball valve mechanism, described valve body is provided with the second runner for being communicated with described needle type valve mechanism pilot hole and plug screw mounting hole, the stud of described plug screw is bolted in described plug screw mounting hole, described needle type valve mechanism pilot hole is equipped with described needle type valve mechanism, the coniform flap of described needle type valve mechanism is arranged at the outlet of the first runner in needle type valve mechanism pilot hole.
2. according to claim 1 pair of ball combination brake switch and proporting, it is characterized in that: described ball valve mechanism comprises two valve seat support rings, two valve seats, valve ball, valve gap and valve rod, described valve body is provided with two pilot holes extended to middle part from the outer surface of this valve body, described main medium runner is provided with spool installation position immediately below pilot hole, described valve seat support ring, described valve seat and described valve ball are all installed in this spool installation position, what two valve seats were facing each other is arranged on two valve seat support rings, described valve ball is arranged between two valve seats, described valve gap is covered on described pilot hole, described valve gap is fixedly connected with described valve body by bolt, described valve rod is passed down through described valve gap and is connected with the upper end portion of described valve ball, described valve gap and described valve rod, all be sealed and matched by seal ring between described valve body.
3. according to claim 2 pair of ball combination brake switch and proporting, is characterized in that: the upper center of described valve gap is provided with packing groove in the surrounding of described valve rod, and be provided with packing layer in packing groove, packing groove is provided with Gland in the upper end of packing layer.
4. according to claim 3 pair of ball combination brake switch and proporting, it is characterized in that: described valve gap is provided with positioning cylinder in the upper end of packing groove, the middle part of described positioning cylinder is provided with positioning plate installation cavity, the left and right sides of described positioning plate installation cavity is provided with two confined planes facing each other, positioning plate is provided with in described positioning plate installation cavity, described positioning plate comprises two arc transition portions facing each other and facing each other two spacing corners, spring is provided with between positioning plate and described Gland, the middle part of described limiting board is provided with waist through hole, the part that described valve rod is identical with this waist through hole shape is arranged in this waist through hole, the web portion of handle is covered on described positioning cylinder, the upper end of described positioning plate, described valve rod is spirally connected through the web portion of handle and a nut.
5. according to claim 2 pair of ball combination brake switch and proporting, it is characterized in that: the medium inlet of described valve body and media outlet are respectively arranged with end cap and connecting body, the columnar part of end cap and connecting body extends to corresponding spool installation position, a described valve seat support ring takes shape in the end of the columnar part of described end cap, a described valve seat support ring takes shape in the end of the columnar part of described connecting body, be provided with seal ring between another two valve seat support rings and described valve body, described end cap, all sealed by seal ring between described connecting body and described valve body.
6. according to claim 1 pair of ball combination brake switch and proporting, is characterized in that: the axle of the valve rod of two described ball valve mechanism is mutually vertical.
7. according to claim 1 pair of ball combination brake switch and proporting, it is characterized in that: described needle type valve mechanism also comprises needle valve seat, valve shaft, needle-valve packing layer, gland, gland nut and handwheel, described needle valve seat is connected on described needle type valve mechanism pilot hole, described valve shaft is passed down through described needle valve seat and is connected with described coniform flap, described needle-valve packing layer is arranged in the packing cavity of described needle valve seat, the bottom of described gland is arranged in described packing cavity, the lower end surface of described needle valve seat is installed with the upper end of described needle-valve packing layer, bottom and the described needle valve seat of described gland are spirally connected, described gland is bolted with gland nut in the upper end of described needle valve seat, described valve shaft protrudes upward through described gland, described valve shaft is threaded with described gland, what described handwheel was connected to described valve shaft protrudes upward portion.
CN201410783710.6A 2014-12-18 2014-12-18 Double-ball combination valve Pending CN104500773A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410783710.6A CN104500773A (en) 2014-12-18 2014-12-18 Double-ball combination valve

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Application Number Priority Date Filing Date Title
CN201410783710.6A CN104500773A (en) 2014-12-18 2014-12-18 Double-ball combination valve

Publications (1)

Publication Number Publication Date
CN104500773A true CN104500773A (en) 2015-04-08

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Family Applications (1)

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CN201410783710.6A Pending CN104500773A (en) 2014-12-18 2014-12-18 Double-ball combination valve

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110094536A (en) * 2019-05-17 2019-08-06 江苏天域阀业制造有限公司 Ball valve is filled in a kind of floating

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1322886B1 (en) * 2000-10-06 2004-05-12 Oliver Twinsafe Valves Limited An isolation valve assembly
CN201177073Y (en) * 2008-04-14 2009-01-07 金进星 Integral single flange combined ball needle-plug valve
CN201177072Y (en) * 2008-04-14 2009-01-07 金进星 Integral double flange combined ball needle valve
CN101871536A (en) * 2009-04-24 2010-10-27 浙江三花股份有限公司 Ball valve
CN202203452U (en) * 2011-08-08 2012-04-25 北京艾迪西暖通科技有限公司 Solar heat exchanger combination valve
CN203641585U (en) * 2014-01-09 2014-06-11 山东泰开电器机构有限公司 Instrument adjusting valve for high-voltage switches of GIS (gas insulated switchgear)
CN204345000U (en) * 2014-12-18 2015-05-20 刘庆国 A kind of two ball combination brake switch and proporting

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1322886B1 (en) * 2000-10-06 2004-05-12 Oliver Twinsafe Valves Limited An isolation valve assembly
CN201177073Y (en) * 2008-04-14 2009-01-07 金进星 Integral single flange combined ball needle-plug valve
CN201177072Y (en) * 2008-04-14 2009-01-07 金进星 Integral double flange combined ball needle valve
CN101871536A (en) * 2009-04-24 2010-10-27 浙江三花股份有限公司 Ball valve
CN202203452U (en) * 2011-08-08 2012-04-25 北京艾迪西暖通科技有限公司 Solar heat exchanger combination valve
CN203641585U (en) * 2014-01-09 2014-06-11 山东泰开电器机构有限公司 Instrument adjusting valve for high-voltage switches of GIS (gas insulated switchgear)
CN204345000U (en) * 2014-12-18 2015-05-20 刘庆国 A kind of two ball combination brake switch and proporting

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110094536A (en) * 2019-05-17 2019-08-06 江苏天域阀业制造有限公司 Ball valve is filled in a kind of floating

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Application publication date: 20150408