CN107816566A - A kind of combination valve used in suitable gas pipeline - Google Patents
A kind of combination valve used in suitable gas pipeline Download PDFInfo
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- CN107816566A CN107816566A CN201711278128.4A CN201711278128A CN107816566A CN 107816566 A CN107816566 A CN 107816566A CN 201711278128 A CN201711278128 A CN 201711278128A CN 107816566 A CN107816566 A CN 107816566A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/20—Check valves specially designed for inflatable bodies, e.g. tyres
- F16K15/207—Check valves specially designed for inflatable bodies, e.g. tyres and combined with other valves, e.g. safety valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Abstract
The invention discloses the combination valve used in a kind of suitable gas pipeline, the ball valve that the locker set including two loose joint head assemblies being spirally connected by a ball valve body and ball valve body both sides external screw joint end and ball valve body top is formed, in addition to the self-closing gas injection valve being made up of a valve body, nipple, valve plug, bonnet, valve element and stop bit device etc.；The male connection that the connecting tube joint head of internal thread interface that the interface portion of the intake interface of described self-closing gas injection valve is provided with and ball valve upper joint sleeve is set is spirally connected the integral combination valve of fixed Combination.Locker is additionally provided with the valve body and bonnet of the self-closing gas injection valve of the combination valve, detection interface is further respectively had among the valve body front and rear sides of gas injection valve.This combination valve is applied in gas pipeline, has the cost for saving pipeline and mounting cost, the reliability for improving conduit running.Meanwhile also convenient management control and the detection to gas in pipelines and analytical sampling to valve.
Description
Technical field
The present invention relates to a kind of pipeline valve, the combination valve that is used in more particularly to a kind of suitable gas pipeline.
Background technology
At present, in gas pipeline as control open and close valve generally use existing structure ball valve, with pipeline
In mating, typically require and concatenate easy-to-dismount articulation in the pipe of ball valve both ends connection, in order to the installation of pipeline
And the dismounting for occurring damaging using middle valve or repairing during the failures such as the interface that is connected with pipe leaks air.Using copper and
In the pipeline mating of stainless steel thin-walled tube, the articulation specially made is also used, is so to add pipeline in itself
Cost, also increase the mounting cost of pipeline.In addition, also need to be managed the valve opening and closing on pipeline in some use occasions
Control, to prevent artificial random opening/shutting valve, existing method is locked to ball valve, locking using being set with one outside ball valve
Can, key controlled by special messenger, during operation, is opened locking can with key, keying ball valve can be touched, due to locking can
It must additionally install additional, also further increase the cost and mounting cost of pipeline.
Therefore, our company have developed a kind of novel ball valve, and Chinese utility model patent is applied for, number of patent application：
201720371622.4, the structure of the valve is as described in Fig. 8-Fig. 9, and the ball valve includes ball valve body 1 and the both ends of ball valve body 1 are spirally connected
Loose joint head assembly 2 and ball valve body top set locker 3, the described component of articulation 2 include and ball valve body two
The loose joint nut 21 that end external screw joint end is spirally connected, the hexagonal side face of the loose joint nut 21 are provided with 3-6 uniform round tube hole
211, suit is fixed with adapter sleeve 22 in the through hole of loose joint nut 21, is embedded in the groove that the internal end surface of the adapter sleeve 22 is provided with
There is sealing ring, be provided with boring cover piece 23 between the inner face and ball valve body connector end surfaces of adapter sleeve 22, the boring cover piece
23 lean on the surface of ball valve body connector end surfaces side to be provided with groove, and sealing ring is embedded with groove, the adapter sleeve 22
Through hole outer end is connected with connecting tube 24；The boring cover piece 23 has two kinds of knots of white hollow boring cover piece and solid red boredom cover plate
It structure, can need be selected according to valve connecting pipe enables or closes control, during actual use, loose joint spiral shell can be passed through
The round tube hole 211 set on the hexagonal side face of cap 21 observes the color of boring cover piece in inner chamber.What the top of ball valve body 1 was set
Locker 3 includes the lock set 31 of the inclined portion of ball valve handle 11 suit, and lock set 31 can be slided up and down in the inclined portion of handle 11, locked
The bottom of the lower end of retaining ring 31 is provided with the two convex pin 311 that middle opening extends vertically downward, and lock is provided with the top of the inclined portion of handle 11
Through hole 111, it is provided with the valve body top of the valve rod side of ball valve body 1 at the open and close handle link stopper 12,13 being provided with valve body top
It is in the unlocking block 312 and Breech block 313 of an angle of 90 degrees in same right-angled intersection vertical plane angle, full open state is in ball valve
When, handle 11 and ball valve are axially in parallel, and the opening between two convex pin 311 of lock set 31 can buckle into the two sides of unlocking block 312,
When ball valve is in full closing state, handle 11 axially covers the opening between 31 two convex pin 311 with ball valve into an angle of 90 degrees, lock
The two sides of Breech block 313 can be buckled into, are in contract fully or full open state in ball valve, lock is covered between 31 two convex pin 311
Opening buckle into the two sides of Breech block 313 or the two sides of unlocking block 312, as long as leading in the lock that the top of the inclined portion of handle 11 is set
Lock is pinned after the lock ring of padlock is passed through in hole 111, the just top slip without the inclined portion of normal direction handle 11 of lock set 31, ball valve handle
11 are just lockable and can not pull.
Above-mentioned novel ball valve is carried in easy-to-dismount loose joint head assembly and spheroid because itself has set into and out of interface both ends
Portion is provided with locker, facilitates the installing and using of user, safeguards replacing and management control, at the same also save pipeline into
Sheet and mounting cost.But in the structure of some gas pipelines, it is desirable to which control opens and closes the pipeline at output of ball valve in the duct
It is middle set be connected to be easy to mixture gas medium add lateral, usual way be in the duct concatenate tee pipe coupling,
Check valve, short tube, the lateral of the first-class composition of connection are connected, the pipe fitting that this lateral set-up mode uses is more, cost
Height, cost of installation and maintenance is also high, insufficient existing for above-mentioned lateral to solve it is therefore necessary to propose new technical scheme.
The content of the invention
The technical problems to be solved by the invention are in view of the shortcomings of the prior art, and to provide and by above-mentioned be easily installed dismounting
Novel ball valve and the self-closing gas injection valve newly researched and developed integrally combine composition a kind of suitable gas pipeline in use
Combination valve.
The technical solution adopted in the present invention is：A kind of combination valve used in suitable gas pipeline, including by a ball valve
The ball valve that the locker that the loose joint head assembly and ball valve body top that body 1 and ball valve body both ends are spirally connected are set is formed, its
It is characterised by：Also include a self-closing gas injection valve；Company in the loose joint head assembly that described ball valve body left end is spirally connected
The head that female connector stretches out loose joint nut central through hole mouth end is provided with the connecting tube lengthened, and the head of connecting tube connects provided with external screw thread
Head, the screw thread tail end of the male connection are provided with groove, joint sealing circle are provided with groove；
Described self-closing gas injection valve includes the T being made up of intake interface, outlet interface and gas grouting socket
The valve body of shape structure；The endoporus and valve body of the internal channel of the intake interface, the internal channel of outlet interface and gas grouting socket
Inner chamber communicates；The endoporus top of the gas grouting socket of the valve body is bolted and fixed with nipple, is injected in nipple and gas
The external screw thread head for the nipple that interface is spirally connected, tail two end axles perimeter surface are provided with upper and lower groove, are respectively installed with upper and lower groove
Upper and lower sealing ring；The nipple is provided with central through hole, and the top aperture of central through hole is more than bottom aperture, in upper and lower hole mistake
Cross face and form first step；Valve plug, the bottom axle of valve plug are slidably connected with the central through hole upper hole of the nipple
Perimeter surface is provided with groove, and valve plug sealing ring is set with groove, and the top of the valve plug is provided with second step；The second of the valve plug
It is nested on step upper axis side face and is connected with bonnet, the inner chamber infraoral of the bonnet is provided with Inner hickeys and the gas of valve body is noted
The external screw joint that the head of incoming interface is provided with is spirally connected fixation, the inner chamber top surface of bonnet respectively with the upper end top surface of nipple and
The second step surface of valve plug is mutually leaned on；The shaft head of the valve plug is provided with limiting valve cap and departs from the stop bit dress for being nested and being connected with valve plug
Put；
Suit is slidably connected with the valve element of inverted T-shaped structure in the through hole of the central through hole bottom of the nipple, should
The axis cephalic par axle side face of valve element is provided with barb headring, the basal surface of barb headring and the through hole end suitable for reading of central through hole bottom
Surface is mutually leaned on, and limitation valve element skids off from central through hole lower through-hole, and the axis of the valve element is provided with central blind hole, central blind hole two
Side is provided with wide open slot, and open slot bottom both sides are provided with cross through hole, and the disk upper surface of the axis bottom of the valve element is set
There is spool groove, O-ring seal is embedded with spool groove；The lower end basal surface of the nipple is smooth sealing face；
The intake interface upper surface of described valve body is provided with the flat-shaped plush copper perpendicular to axle center, the flat horizontal surface of the flat-shaped plush copper
Centre is provided with the first lock through hole, is provided with lock ring groove in the axle side face of the upper surface bonnet of the bottom annulus shade of above-mentioned bonnet, locks
Suit is sliding combined with a lock ring on annular groove, and the side of lock ring is provided with folding downwards and lock ring top into the tapered end of an angle of 90 degrees, tapered end
Centre is provided with the second lock through hole, the lock ring being set with rotary valve cover, the second lock through hole can be made corresponding with the first lock through hole；
The interface portion of the intake interface of described self-closing gas injection valve is provided with internal thread interface with connecting on above-mentioned ball valve
The male connection that the connecting tube joint head of female connector is set is spirally connected the integral combination valve of fixed Combination.
Preferably, valve band groove that the stop bit device that the shaft head of described valve plug is provided with is provided with by the shaft head of valve plug and
Valve is provided with the outlet of lasso and valve body with the flat, plastic connect band composition being socketed in groove, the afterbody of the flat, plastic connect band
The axle side face of interface header is nested fixation.
Preferably, the end suitable for reading of described central through hole lower through-hole is provided with counter sink, the plane perpendicular of counter sink in
The axial line of central through hole, the barb headring for the valve element being set with the through hole of the central through hole bottom lead to central through hole bottom
The counter sink activity that the end suitable for reading in hole is set is connected, and the basal surface of barb headring mutually leans on the basal surface of counter sink, limits
Valve element skids off from central through hole lower through-hole.
Further, it is welded with connecting copper pipe in the interface portion of described outlet interface.
Further, the interface portion of described outlet interface is provided with inner thread mouth.
Further, detection interface is respectively equipped among described valve body front and rear sides, the detection interface is provided with and valve
The central through hole that intracoelomic cavity communicates, is bolted with seal cap in the male connection that is provided with of detection interface header, seal cap it is interior
Chamber top surface is provided with diaphragm seal.
Further, it is respectively equipped among two body bases of the ball valve of described combination valve and self-closing gas injection valve
Projection, the bottom surface of two projections is set respectively is connected with the first support feet and the second support feet, and is set by screw and two projection bottom surfaces
Screw be spirally connected fixation.
Compared with prior art, the advantage of the invention is that：The combination valve in design as a result of novel ball valve with
The self-closing gas injection valve newly researched and developed integrally combines the integral multi-functional valve of group, the advantages of except former novel ball valve is kept
Outside, also have：When actually mating uses in gas pipeline, a valve can substitute two valves and multiple pipe joints and company
Adapter, so as to save the cost of pipeline and mounting cost, decreases the jointing number of pipeline, reduces conduit running
In the probability of failure such as leak air, improve the reliability of conduit running.Moreover, will be toward adding in pipeline in conduit running
Mixed gas, if open combination valve self-closing gas injection valve seal closure, on gas injection valve interface connection on
The special joint of gas appendix connection is injected, it is simple to operate, meanwhile, the second lock dress that valve body top is set
Put, can easily hang up lockset and control is managed to the bonnet opening of gas injection valve, to prevent artificial arbitrarily opening gas
The generation of the bonnet phenomenon of body injection valve, ensure the safety in valve use.Two before and after the valve body of another self-closing gas injection valve
Detection interface is respectively equipped among side, can conveniently connect gas control instrument, gas in pipelines concentration, pressure and other parameters are carried out
Detect or conveniently to the analytical sampling of gas in pipelines.
Brief description of the drawings
Fig. 1 is the stereogram of the embodiment of the present invention；
Fig. 2 is the structural representation of the embodiment of the present invention；
Fig. 3 is the enlarged drawing of Fig. 2 self-closings gas injection valve portion；
Fig. 4-1,4-2 are the valve core structure schematic diagrames of the self-closing gas injection valve of the embodiment of the present invention；
Fig. 5 is the lock ring structural representation of the self-closing gas injection valve of the embodiment of the present invention；
Fig. 6 is the front view of the self-closing gas injection valve portion of the embodiment of the present invention；
Fig. 7 is Fig. 3 A-A to sectional view；
Fig. 8 is a kind of stereogram of ball valve of earlier application；
Fig. 9 is a kind of structural representation of ball valve of earlier application.
In figure：1a, ball valve, 1b, self-closing gas injection valve, 1, ball valve body, 11, ball valve handle, 111, lock through hole,
12nd, handle link stopper is opened, 13, close handle link stopper 13,2, loose joint head assembly, 21, loose joint nut, 211, through hole, 22, adapter sleeve,
221st, male connection, 222, groove, 223, joint sealing circle, 23, boring cover piece, 24, connecting tube, 3, locker, 31, lock
Set, 311, convex pin, 312, unlocking block, 313, Breech block, the 4, first support feet, the 41, second support feet, 5, valve body, 51, air inlet connecting
Mouthful, 52, outlet interface, 521, connecting copper pipe, 53, gas grouting socket, 54, plush copper, the 541, first lock through hole, 55, lock ring,
551st, tapered end, the 552, second lock through hole, 56, detection interface, 57, seal cap, 58, diaphragm seal, 6, nipple, 61, upper sealing ring,
62nd, lower seal, 63, first step, 64, counter sink, 7, valve plug, 71, valve plug sealing ring, 72, second step, 73, valve band it is recessed
Groove, 8, bonnet, 81, lock ring groove, 9, plastic strap, 91, lasso, 10, valve element, 101, central blind hole, 102, open slot, 103,
Through hole, 104, barb headring, 105, spool groove, 106, O-ring seal.
Embodiment
Embodiment in below in conjunction with the accompanying drawings is described in further detail to the present invention.
Referring to the combination valve shown in Fig. 1-Fig. 7, used in a kind of suitable gas pipeline, including by a ball valve body 1 and ball
The ball valve 1a that the locker 3 that the loose joint head assembly 2 and the top of ball valve body 1 that the both ends of valve body 1 are spirally connected are set is formed, its feature
It is：Also include a self-closing gas injection valve 1b；Company in the loose joint head assembly 2 that the described left end of ball valve body 1 is spirally connected
The head that female connector 22 stretches out the central through hole mouth end of loose joint nut 21 is provided with the connecting tube lengthened, and the head of connecting tube is provided with external screw thread
Joint 221, the screw thread tail end of the male connection 221 are provided with groove 222, joint sealing circle 223 are provided with groove 222.
Described self-closing gas injection valve 1b is included by intake interface 51, outlet interface 52 and the structure of gas grouting socket 53
Into inverted T-shaped structure valve body 5；The internal channel of the intake interface 51, the internal channel of outlet interface 52 and gas grouting socket
53 endoporus communicates with the inner chamber of valve body 5；The endoporus top of the gas grouting socket 53 of the valve body 5 is bolted and fixed with nipple 6,
External screw thread head, tail two end axles perimeter surface in the nipple 6 that nipple 6 and gas grouting socket 53 are spirally connected are provided with upper and lower groove,
Upper and lower sealing ring 61,62 is respectively installed with upper and lower groove；The nipple 6 is provided with central through hole, the top of central through hole
Aperture is more than bottom aperture, forms first step 63 in upper and lower hole transition face, is set in the end suitable for reading of central through hole lower through-hole
There is counter sink 64, the plane perpendicular of counter sink 64 is in the axial line of central through hole；In the central through hole upper hole of the nipple 6
Valve plug 7 is slidably connected with, the bottom axle perimeter surface of valve plug 7 is provided with groove, is set with valve plug sealing ring 71 in groove, the valve
The top of plug 7 is provided with second step 72；It is nested on the upper axis side face of second step 72 of the valve plug 7 and is connected with bonnet 8, the valve
The inner chamber infraoral of lid 8 is provided with the external screw joint spiral shell that the head of the gas grouting socket 53 of Inner hickeys and valve body 5 is provided with
Fixation is connect, the inner chamber top surface of bonnet 8 mutually leans on the upper end top surface of nipple 6 and the surface of second step 72 of valve plug 7 respectively；Institute
The shaft head for stating valve plug 7 departs from the stop bit device 9 for being nested and being connected with valve plug 7 provided with limiting valve cap 8, and the stop bit device 9 is by valve plug 7
The valve that is provided with of shaft head formed with groove 73 and valve with the flat, plastic connect band 91 being socketed in groove 73, the flat, plastic connects
The axle side face that the afterbody of tape splicing 91 is provided with the head of outlet interface 52 of lasso 911 and valve body 5 is nested fixation, and lasso 911 plays anti-
Only bonnet 8 depart from on valve body 5 head of gas grouting socket 53 be spirally connected opening when, bonnet 8 and bonnet 8 are nested the valve of connection
Plug 7 can hang over and prevent from losing on valve body 5；It is set with and is slidably connected with the through hole of the central through hole bottom of the nipple 6
The valve element 10 of inverted T-shaped structure, the axis cephalic par axle side face of the valve element 10 are provided with barb headring 104, barb headring 104 and center
The activity of counter sink 64 that the end suitable for reading of through hole lower through-hole is set is connected, and limitation valve element 10 is from central through hole lower through-hole
Skid off, the axis of the valve element 10 is provided with central blind hole 101, and the both sides of central blind hole 101 are provided with wide open slot 102, open slot
102 bottoms both sides are provided with cross through hole 103, and the disk upper surface of the axis bottom of the valve element 10 is provided with spool groove 105, valve element
O-ring seal 106 is embedded with groove 105；The lower end basal surface of the nipple 6 is smooth sealing face.
The upper surface of intake interface 51 of described valve body 5 is provided with the flat-shaped plush copper 54 perpendicular to axle center, the flat-shaped plush copper 54
Flat horizontal surface among be provided with first lock through hole 541, set in the axle side face of the upper surface bonnet of the bottom annulus shade of above-mentioned bonnet 8
There is lock ring groove 81, be set with lock ring groove 81 and be sliding combined with a lock ring 55, the side of lock ring 55 is provided with folding downwards and lock ring top
Into the tapered end 551 of an angle of 90 degrees, the second lock through hole 552 is provided among tapered end 551.Lock that can be to be set with rotary valve cover 8 during use
Ring 55, locking above-mentioned second, through hole 552 is corresponding with the first lock through hole 541, and padlock is penetrated in two lockholes can be by valve
Lid 8 pins, and limiting valve cap 8 rotationally disengages to be spirally connected with gas grouting socket 53 head on valve body 5.
Be respectively equipped among the described front and rear sides of valve body 5 detection interface 56, the detection interface 56 be provided with valve body 5
The central through hole that chamber communicates, seal cap 57 is bolted with the male connection that detection interface 56 head is provided with, seal cap 57
Inner chamber top surface is provided with diaphragm seal 58.Detection interface is used to connect the use such as gas control instrument.
The interface portion of described self-closing gas injection valve 1b intake interface 51 is provided with internal thread interface, outlet interface 52
Interface portion on be welded with connecting copper pipe 521, connected with the pipe of pipeline during to install, another embodiment is outlet
The interface portion of interface 52 is provided with inner thread mouth, is connected with the pipe of pipeline during to install.
The internal thread interface that the interface portion of described self-closing gas injection valve 1b intake interfaces 51 is set and above-mentioned ball valve 1a
The loose joint head assembly 2 that is spirally connected of the left end of ball valve body 1 in the male connection 221 that sets of connecting tube head of adapter sleeve 22 be spirally connected
The integral combination valve of fixed Combination.
Projection is provided among the ball valve 1a of described combination valve body base, the bottom surface of projection, which is set, is connected with first
Spike 4, and the screw set by screw and projection bottom surface is spirally connected fixation.
Projection is provided among the self-closing gas injection valve 1b of the described combination valve bottom of valve body 5, the bottom surface of projection is set
Put and be connected with the second support feet 41, and the screw set by screw and projection bottom surface is spirally connected fixation.
The right-hand member interface of combinations thereof valve is intake interface, and the left end interface of combination valve is outlet interface.
The use of inventive combination fluid valve：This combination valve is connected to when being used in gas pipeline, and the ball valve 1a in combination valve makees
The valve opened and closed for control, the control valve that the self-closing gas injection valve 1b in combination valve adds as different medium gas,
If in pipeline ventilation operation, the gas of injection different medium, rotatable self-closing gas injection valve are added in the duct
Bonnet 8 on 1b disengages it from being spirally connected with the head of gas grouting socket 53 on valve body 5, so as to valve in related pull-out nipple 6
Plug 7, now, upward sliding in the presence of outer gas differential pressure including the valve element 10 being set with the central through hole bottom hole of nipple 6
To the disk upper surface of valve element 10, the sealing face phase of the O-ring seal 106 and the basal surface of nipple 6 that are embedded in spool groove 105
By forming sealing surface, gas leakage in pipe is prevented, then, is connected on gas grouting socket 53 in connection with injection air hose
Special jointing can be toward the gas of addition injection different medium in pipeline.
The embodiment of invention described above, is not intended to limit the scope of the present invention., any in this hair
Made modifications, equivalent substitutions and improvements etc. within bright spiritual principles, it should be included in the claim protection of the present invention
Within the scope of.
Claims (7)
1. the combination valve used in a kind of suitable gas pipeline, including be spirally connected by a ball valve body (1) and ball valve body (1) both ends
Loose joint head assembly (2) and ball valve body (1) top set locker (3) form ball valve (1a), it is characterised in that：Also
Include a self-closing gas injection valve (1b)；Connection in the loose joint head assembly (2) that described ball valve body (1) left end is spirally connected
Cover (22) and stretch out connecting tube of the head at loose joint nut (21) central through hole mouth end provided with lengthening, the head of connecting tube is provided with outer spiral shell
Line joint (221), the screw thread tail end of the male connection (221) are provided with groove (222), and groove is provided with joint in (222)
Sealing ring (223)；
Described self-closing gas injection valve (1b) is included by intake interface (51), outlet interface (52) and gas grouting socket
(53) valve body (5) of the inverted T-shaped structure formed；Internal channel, the internal channel of outlet interface (52) of described intake interface (51)
Communicated with the endoporus of gas grouting socket (53) with valve body (5) inner chamber；The endoporus of the gas grouting socket (53) of the valve body (5)
Top is bolted and fixed with nipple (6), in the external screw thread for the nipple (6) that nipple (6) and gas grouting socket (53) are spirally connected
Head, tail two end axles perimeter surface are provided with upper and lower groove, and upper and lower sealing ring (61), (62) are respectively installed with upper and lower groove；It is described
Nipple (6) is provided with central through hole, and the top aperture of central through hole is more than bottom aperture, and first is formed in upper and lower hole transition face
Step (63)；Valve plug (7), the bottom axle of valve plug (7) are slidably connected with the central through hole upper hole of the nipple (6)
Perimeter surface is provided with groove, and valve plug sealing ring (71) is set with groove, and the top of the valve plug (7) is provided with second step (72)；Institute
State to be nested on second step (72) upper axis side face of valve plug (7) and be connected with bonnet (8), the inner chamber infraoral of the bonnet (8) is set
The external screw joint that the head for having the gas grouting socket (53) of Inner hickeys and valve body (5) is provided with is spirally connected fixation, bonnet (8)
Inner chamber top surface mutually leaned on the upper end top surface of nipple (6) and second step (72) surface of valve plug (7) respectively；The valve plug
(7) shaft head is provided with limiting valve cap (8) and departs from the stop bit device (9) for being nested and being connected with valve plug (7)；
Suit is slidably connected with the valve element (10) of inverted T-shaped structure in the through hole of the central through hole bottom of the nipple (6),
The axis cephalic par axle side face of the valve element (10) is provided with barb headring (104), the basal surface and central through hole of barb headring (104)
The through hole end surfaces suitable for reading of bottom mutually lean on, and limitation valve element (10) skids off from central through hole lower through-hole, in the valve element (10)
Axle is provided with central blind hole (101), and central blind hole (101) both sides are provided with wide open slot (102), open slot (102) bottom two
Side is provided with cross through hole (103), and the disk upper surface of the axis bottom of the valve element (10) is provided with spool groove (105), and valve element is recessed
O-ring seal (106) is embedded with groove (105)；The lower end basal surface of the nipple (6) is smooth sealing face；
Intake interface (51) upper surface of described valve body (5) is provided with the flat-shaped plush copper (54) perpendicular to axle center, the flat-shaped plush copper
(54) the first lock through hole (541) is provided among flat horizontal surface, in the upper surface bonnet of the bottom annulus shade of above-mentioned bonnet (8)
Axle side face is provided with lock ring groove (81), and suit is sliding combined with a lock ring (55) on lock ring groove (81), and the side of lock ring (55) is provided with
Tapered end (551) of the folding with lock ring top into an angle of 90 degrees downwards, tapered end (551) is middle to be provided with the second lock through hole (552), rotary valve cover
(8) lock ring (55) being set with, the second lock through hole (552) can be made corresponding with the first lock through hole (541)；
The interface portion of the intake interface (51) of described self-closing gas injection valve (1b) is provided with internal thread interface and above-mentioned ball valve
The external screw thread that the connecting tube head of adapter sleeve (22) in the loose joint head assembly (2) that ball valve body (1) left end of (1a) is spirally connected is set
Joint (221) is spirally connected the integral combination valve of fixed Combination.
2. the combination valve used in a kind of suitable gas pipeline according to claim 1, it is characterised in that：Described valve plug
(7) the valve band groove (73) and valve band groove (73) that the stop bit device (9) that shaft head is provided with is provided with by the shaft head of valve plug (7)
Flat, plastic connect band (91) composition of middle socket, the afterbody of the flat, plastic connect band (91) are provided with lasso (911) and valve body
(5) the axle side face on outlet interface (52) head is nested fixation.
3. the combination valve used in a kind of suitable gas pipeline according to claim 1, it is characterised in that：Described center
The end suitable for reading of through hole lower through-hole is provided with counter sink (64), the plane perpendicular of counter sink (64) in the axial line of central through hole,
The barb headring (104) for the valve element (10) being set with the through hole of the central through hole bottom is suitable for reading with central through hole lower through-hole
Counter sink (64) activity that end is set is connected, and the basal surface of the basal surface and counter sink (64) of barb headring (104) mutually leans on,
Limitation valve element (10) skids off from central through hole lower through-hole.
4. the combination valve used in a kind of suitable gas pipeline according to claim 1, it is characterised in that：Described outlet
Connecting copper pipe (521) is welded with the interface portion of interface (52).
5. the combination valve used in a kind of suitable gas pipeline according to claim 1, it is characterised in that：Described outlet
The interface portion of interface (52) is provided with inner thread mouth.
6. the combination valve used in a kind of suitable gas pipeline according to claim 1, it is characterised in that：Described valve body
(5) detection interface (56) is respectively equipped among front and rear sides, the detection interface (56) with valve body (5) inner chamber provided with communicating
Heart through hole, seal cap (57), the inner chamber of seal cap (57) are bolted with the male connection that detection interface (56) head is provided with
Top surface is provided with diaphragm seal (58).
7. the combination valve used in a kind of suitable gas pipeline according to any claim in claim 1 to 6, it is special
Sign is：It is respectively equipped among the ball valve (1a) of described combination valve and two body bases of self-closing gas injection valve (1b) convex
Post, the bottom surface of two projections is set respectively is connected with the first support feet (4) and the second support feet (41), and by screw and two projection bottoms
The screw that face is set is spirally connected fixation.
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| CN201711278128.4A CN107816566B (en) | 2017-12-06 | 2017-12-06 | Combined valve suitable for use in gas pipeline |
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| CN201711278128.4A CN107816566B (en) | 2017-12-06 | 2017-12-06 | Combined valve suitable for use in gas pipeline |
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| CN107816566A true CN107816566A (en) | 2018-03-20 |
| CN107816566B CN107816566B (en) | 2024-05-31 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110712338A (en) * | 2019-10-18 | 2020-01-21 | 余荣芳 | Production process of coated plastic tableware |
| CN112081942A (en) * | 2019-12-17 | 2020-12-15 | 福州振协管道有限公司 | A compression ball valve for refrigeration |
| CN112082012A (en) * | 2019-12-17 | 2020-12-15 | 福州振协管道有限公司 | A sliding ball valve for refrigeration |
| CN112432743A (en) * | 2020-11-05 | 2021-03-02 | 徐州阿卡控制阀门有限公司 | Installation and test fixture of ball valve |
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