CN207261700U

CN207261700U - A kind of long valve rod gate valve with fast interface

Info

Publication number: CN207261700U
Application number: CN201721081535.1U
Authority: CN
Inventors: 章仉香; 林高峰
Original assignee: NINGBO RIAN VALVES CO Ltd
Current assignee: NINGBO RIAN VALVES CO Ltd
Priority date: 2017-08-28
Filing date: 2017-08-28
Publication date: 2018-04-20
Anticipated expiration: 2027-08-28

Abstract

The utility model discloses a kind of long valve rod gate valve with fast interface, including the mechanism for opening/closing that valve body is connected with valve body, and flange-interface is equipped with the arrival end of valve body, it is characterised in that：The port of export of the valve body is equipped with fire-fighting fast interface；The body base on the inside of flange-interface by being equipped with floss hole device；The top surface center of the flange-interface is bolted with locking bar, and the top plate that locking bar upper head is fixed is equipped with lockhole.The advantages of valve is：Expand the function of existing long valve rod gate valve, the valve is only needed to replace existing by a gate valve, one section of pipe for being connected with ring flange, traditional docked mode that a fast interface is connected with each other, so as to reduce the cost of pipeline and improve installation effectiveness.Meanwhile the floss hole device added on valve body can also lock pinning to fix handwheel, prevent artificial maloperation opening/shutting valve as the connector that monitoring is drained and examined to pipeline internal medium between the top plate of above-mentioned locking bar and the handwheel of valve.

Description

A kind of long valve rod gate valve with fast interface

Technical field

A kind of pipeline valve is the utility model is related to, more particularly, to a kind of long valve rod gate valve with fast interface.

Background technology

Gate valve is widely used in the pipeline of industrial and agricultural production, circulation or cut-off for fluid media (medium) in control pipeline. The valve rod of existing gate valve is all very short, is controlled for the keying for being embedded in pipeline in deeper Dao Huobi roads, because of the valve rod of gate valve Too short, manipulator easily shorter to arm opens and closes operation and makes troubles, for this reason, my company has developed a long valve rod lock Valve, is shown in Chinese utility model patent number：ZL201320253046.5, the valve improve existing gate valve structure, lengthen The valve rod of gate valve, and being additionally arranged using the device being made of guiding trestle, instruction sliding block, long valve rod, during work, rotation hand wheel Drive the spool in valve body to lift through long valve rod to open and close, instruction sliding block shows spool in guiding trestle as synchronization lifting Keying location status in valve body, meanwhile, guiding trestle also protects long valve rod to avoid because external force causes the technical solution of curved damage, Overcome the prior art there are valve rod it is too short, open and close unhandy problems and shortcomings.But the valve is in the connection side with pipeline Original structure is maintained in formula, i.e. gate valve both ends are all flange-interface, gate valve is applied in the pipeline of some specific occasions Also need separately to add pipeline connecting fittings, a kind of occasion as gate valve is often applied in the duct is connected with terminal tract, and terminal What pipe outlet required connection is the interface that can quickly connect, shirk, and such pipe connecting structure mode is not only of high cost, And installation is time-consuming, it is therefore necessary to the long valve rod gate valve structure is further improved.

Utility model content

Technical problem to be solved in the utility model be in view of the deficiencies of the prior art, and provide a structure it is novel, Attaching is convenient, and floss hole device is designed with the downside of valve body import end, locking bar, valve are equipped with the top of the ring flange of valve body import end interface Body port of export Interface design is a kind of long valve rod gate valve with fast interface identical with the structure type of fire-fighting fast interface.

Technical solution is used by the utility model：A kind of long valve rod gate valve with fast interface, including valve body and The mechanism for opening/closing of valve body connection, flange-interface is equipped with the arrival end of valve body media, it is characterised in that：The medium of the valve body The port of export be equipped with fire-fighting fast interface；The body base on the inside of flange-interface by being equipped with floss hole device.

Further, the top surface center of the flange-interface is equipped with screw hole, and locking bar, the upper end of locking bar are bolted with screw hole Head is fixedly connected with top plate, which is equipped with lockhole with the slot opposite position on valve handle.

Preferably, the fire-fighting fast interface that the port of export of the valve body media is equipped with includes valve outlet end internal channel mouth The bulge loop mouth and the sealing head assembly being connected with bulge loop mouth that end is set；The valve outlet end of the upper and lower both sides of bulge loop mouth What is be equipped with connects bayonet soon, this connects bayonet and is made of about the two corresponding clamps that connect soon soon, is connect soon two and two are equipped with the inside of clamp Upper and lower corresponding card groove；The sealing head assembly includes packing holder, sealing ring, collar, locking lid, the locking Lid is sleeved on packing holder to be slidably connected with packing holder, locking lid end surface and packing holder side ledge surface Mutually lean on, locking lid other end port is by collar and the mutually locking position of card slot that packing holder end is equipped with；The sealing ring is embedded in In the groove that packing holder front-end surface is equipped with；The locking lid is upper and lower by packing holder side ledge surface end Both sides are equipped with two wedge-shaped connectors；The wedge-shaped connector of the two of the upper and lower both sides in locking lid end of the sealing head assembly is inserted The two of bayonet connect soon in connecing soon for valve outlet end and connect clamp soon with about two in two card grooves on the inside of clamp and mutually fasten Connection, seals the sealing ring surface and valve outlet end internal channel mouth end being embedded in the packing holder front-end surface groove of head assembly The bulge loop discharge surface closing that portion is set is tightly connected.

Preferably, the body base leans on flange by the floss hole device being equipped with the inside of flange-interface including body base The jointing being equipped with the inside of interface, jointing are equipped with the central through hole communicated with valve body inlet end internal channel, central through hole Interior front portion is equipped with conical closure mouth, and afterbody is equipped with inner thread mouth in central through hole, and outer tube is equipped with jointing tail end head Screw thread；The central through hole afterbody of the jointing is bolted with tiltedly stifled plug screw, and tiltedly the head of stifled plug screw is equipped with conical head and company The conical closure mouth closure connection of connector, the afterbody for tiltedly blocking up plug screw are equipped with central blind hole, and the bottom of central blind hole is equipped with and spiral shell The deflector hole that side face communicates beyond the Great Wall, the afterbody axis side face for tiltedly blocking up plug screw are equipped with hexagonal bulge loop；The jointing tail end The hexagon that head is bolted with tail end sealing tiltedly blocks up nut, ledge surface and jointing tail end in oblique stifled nut screw socket bottom Diaphragm seal is provided between surface.

Further, the valve outlet end is additionally provided with lug hangers, lug hangers by connecing the bottom on the inside of bayonet soon Centre is equipped with small through hole；The packing holder breech face of the sealing head assembly is additionally provided with plush copper hangers, the periphery of plush copper hangers Face is equipped with small through hole；Impaling connects in the small through hole that the outer circumferential surface of the small through hole set among the lug hangers and plush copper hangers is set It is connected to the first chain.

Further, the valve outlet end is additionally provided with lug hangers, lug hangers by connecing the bottom on the inside of bayonet soon Centre is equipped with small through hole；The lower part of the tiltedly stifled nut axis side face of the floss hole device is equipped with groove, and card is connected with groove Hangers is enclosed, collar hangers side is equipped with small hanging ring；What the small through hole set among the lug hangers was set with collar hangers side Impaling is connected with the second chain in small hanging ring.

Compared with prior art, the utility model has the advantage of：By being improved to existing long valve rod gate valve structure Design, floss hole device is additionally arranged on the downside of valve body import end, locking bar has been set at the top of the ring flange of valve body import end interface, will Valve outlet end interface is designed as the fast interface identical with the structure type of fire-fighting fast interface, expands long valve rod gate valve Function, in practical applications, the end for only needing a this new valve that existing requirement can be replaced quickly can to connect or shirk Traditional couplings in end pipe road：Need to use the upper ring flange being connected with the ring flange interface of gate valve of the connection of section of a pipe one and After the upper quick connecting interface of pipe other end connection, then the mode being connected with the ring flange interface of gate valve.So as to reduce pipeline Cost and improve efficiency, the time and labour saving of installation, also allow for the maintenance of pipeline.Meanwhile added on the downside of valve body import end Floss hole device is as the connector that monitoring is drained and examined to pipeline internal medium, the ring flange top of valve body import end interface The lockhole set on the top plate for the locking bar that portion adds is corresponding with the slot position on the handwheel of valve, can be in top plate lockhole and valve Locking pinning is carried out to valve through the lockset bar of lock in handwheel slot, to fix handwheel, prevents artificial maloperation opening/shutting valve.

Brief description of the drawings

Fig. 1 is the external structure axonometric schematic diagram of the utility model embodiment；

Fig. 2 is the schematic cross-sectional view of the utility model embodiment；

Fig. 3-1~3-4 is respectively the front view of locking lid part in the utility model embodiment, the A-A of front view to cuing open View, top view, stereogram.

Embodiment

The utility model embodiment is described in further detail below in conjunction with the accompanying drawings.

Referring to shown in Fig. 1~Fig. 3, a kind of long valve rod gate valve with fast interface of the utility model, including 1 He of valve body The mechanism for opening/closing 2 of valve body connection, flange-interface 11 is equipped with the arrival end of 1 medium of valve body, it is characterised in that：The valve body 1 The port of export of medium be equipped with fire-fighting fast interface 3,1 bottom of valve body is equipped with floss hole device by the inner side of flange-interface 11 4。

The top surface center of the flange-interface 11 is equipped with screw hole, and locking bar 5, the upper head of locking bar 5 are bolted with screw hole Top plate 51 is fixedly connected with, which is equipped with lockhole 511 with the slot opposite position on valve handle.In top plate lockhole and Pinning fixation can be carried out to the handwheel of valve to pass through the lockset bar of lock in the handwheel slot of valve, prevent artificial maloperation from opening and closing valve Door.

The fire-fighting fast interface 3 that the port of export of 1 medium of valve body is equipped with includes 1 port of export internal channel mouth end of valve body If bulge loop mouth 12 and the sealing head assembly 30 that is connected with bulge loop mouth 12, the valve body 1 of the 12 upper and lower both sides of bulge loop mouth export What end was equipped with connects bayonet 13 soon, this connect soon bayonet 13 by about two it is corresponding connect that clamp 131,132 forms soon connect card soon Mouthful, the inner side of clamp 131,132 is connect soon two is equipped with about two corresponding card grooves 133,134.

The sealing head assembly 30 includes packing holder 31, sealing ring 32, collar 33, locking lid 34, the locking Lid 34 is sleeved on packing holder 31 and is slidably connected with packing holder 31,34 end surface of locking lid and packing holder 31 Side ledge surface mutually leans on, and 34 other end port of locking lid is mutually locking by collar 33 and card slot that 31 end of packing holder is equipped with Position；The sealing ring 32 is inlaid in the groove that 31 front-end surface of packing holder is equipped with；The locking lid 34 leans on sealing ring The upper and lower both sides of 31 side ledge surface ends of seat are equipped with two wedge-shaped connectors 341,342.

The wedge-shaped connector 341,342 of the two of the upper and lower both sides in 34 end of locking lid of the sealing head assembly 30 is placed in 1 outlet end of valve body connects in the two of the bayonet 13 two card grooves 133,134 for connecing the inner side of clamp 131,132 soon with about two soon Clamp 131,132 is connect soon to be mutually fastened and connected, and seals the sealing being embedded in the 31 front-end surface groove of packing holder of head assembly 30 The 12 surface closing of bulge loop mouth that 32 surfaces are set with 1 port of export internal channel mouth end of valve body is enclosed to be tightly connected.In actual use, lead to Rotation locking lid 34 counterclockwise is crossed, can depart from two wedge-shaped connectors 341,342 of locking lid 34 and connect clamp 131,132 soon with two Connection, meanwhile, the sealing ring 32 that 31 front end of packing holder is embedded in is departed from the connection with bulge loop mouth 12, from 1 port of export of valve body Take away on the fast interface in portion and seal head assembly 30, the quick coupling in connection on fast interface.

The floss hole device 4 that 1 bottom of valve body is equipped with by the inner side of flange-interface 11 connects including 1 bottom of valve body by flange The jointing 41 that the inner side of mouth 11 is equipped with, jointing 41 are equipped with the central through hole communicated with 1 arrival end internal channel of valve body, center Anterior in through hole to be equipped with conical closure mouth 411, afterbody is equipped with inner thread mouth 412 in central through hole, in 41 tail end of jointing Head is equipped with external pipe thread；The central through hole afterbody of the jointing 41 is bolted with tiltedly stifled plug screw 42, tiltedly blocks up plug screw 42 Head is equipped with conical head 421 and the closure of conical closure mouth 411 of jointing 41 connects, and tiltedly the afterbody of stifled plug screw 42 is equipped with center Blind hole 422, the bottom of central blind hole 422 are equipped with the deflector hole 423 communicated with plug screw outer circumferential surface, this tiltedly blocks up the afterbody axis of plug screw 42 Side face is equipped with hexagonal bulge loop 424；The hexagon that the 41 tail end head of jointing is bolted with tail end sealing tiltedly blocks up nut 43, it is provided with diaphragm seal 44 between 41 rear end surface of ledge surface and jointing of oblique stifled 43 screw socket bottom of nut.Actually make Used time, the tiltedly stifled nut 43 taken away and be spirally connected with 41 tail end head of jointing is screwed out with spanner, can be opened with spanner counter-rotating Tiltedly closure of the conical head 421 on stifled 42 head of plug screw to the conical closure mouth 411 of jointing 41, to the connection of valve inlet end Medium in pipeline is drained, if being connected with the hose of instrumentation in the afterbody head end connection in oblique stifled plug screw 42 To be monitored to the medium in pipeline.

1 port of export of valve body is additionally provided with lug hangers 14 by connecing the bottom of the inner side of bayonet 13 soon, in lug hangers 14 Between be equipped with small through hole.

31 breech face of packing holder of the sealing head assembly 30 is additionally provided with plush copper hangers 311, plush copper hangers 311 it is outer Side face is equipped with small through hole.

The lower part of the 43 axis side face of tiltedly stifled nut of the floss hole device 4 is equipped with groove, and collar extension is connected with groove Ear 8,8 side of collar hangers are equipped with small hanging ring.

The small through hole for the lug hangers 14 that 1 port of export bottom of valve body is set and the packing holder 31 of sealing head assembly 30 Impaling is connected with the first chain 6 in the small through hole for the plush copper hangers 311 that breech face is set；What 1 port of export bottom of valve body was set The small through hole of lug hangers 14 in the collar hangers 8 being clamped in the groove of the 43 axis side face of tiltedly stifled nut of floss hole device 4 with wearing Extension is connected with the second chain 7.In actual use, when seal head assembly 30 take away from the fast interface of 1 outlet end of valve body when, And tiltedly when stifled nut 43 is taken away from 41 tail end head of jointing, sealing head assembly 30 and tiltedly stifled nut 43 can hang over valve body On, it is unlikely to lose and is easy to use.

The embodiment of above-described the utility model, does not form the restriction to scope of protection of the utility model, appoints Modifications, equivalent substitutions and improvements made by where within the spiritual principles of the utility model etc., it is new to should be included in this practicality Within the claims of type.

Claims

1. a kind of long valve rod gate valve with fast interface, including the mechanism for opening/closing (2) that valve body (1) is connected with valve body, in valve body (1) arrival end of medium is equipped with flange-interface (11), it is characterised in that：The port of export of the medium of the valve body (1), which is equipped with, to disappear Anti- fast interface (3)；Described valve body (1) bottom on the inside of flange-interface (11) by being equipped with floss hole device (4).

A kind of 2. long valve rod gate valve with fast interface according to claim 1, it is characterised in that：The flange connects The top surface center of mouth (11) is equipped with screw hole, locking bar (5) is bolted with screw hole, the upper head of locking bar (5) is fixedly connected with top plate (51), which is equipped with lockhole (511) with the slot opposite position on valve handle.

A kind of 3. long valve rod gate valve with fast interface according to claim 1 or 2, it is characterised in that：The valve The fire-fighting fast interface (3) that the port of export of body (1) medium is equipped with includes the bulge loop mouth that valve body (1) port of export internal channel mouth end is set (12) and with bulge loop mouth (12) the sealing head assembly (30) being connected；Valve body (1) outlet of described bulge loop mouth (12) the upper and lower both sides What end was equipped with connects bayonet (13) soon, this connect soon bayonet (13) by about two it is corresponding connect clamp (131) soon, (132) form, Clamp (131), (132) inner side are connect soon equipped with about two corresponding card grooves (133), (134) two；

The sealing head assembly (30) includes packing holder (31), sealing ring (32), collar (33), locking lid (34), described Locking lid (34) be sleeved on packing holder (31) and packing holder (31) be slidably connected, locking lid (34) end surface Mutually leaned on packing holder (31) side ledge surface, locking lid (34) other end port is held by collar (33) and packing holder (31) The mutually locking position of card slot that portion is equipped with；The sealing ring (32) is inlaid in the groove that packing holder (31) front-end surface is equipped with； The locking lid (34) is equipped with two wedge-shaped connectors by the upper and lower both sides of packing holder (31) side ledge surface end (341)、(342)；

The wedge-shaped connector (341) of the two of locking lid (34) upper and lower both sides in end of the sealing head assembly (30), (342) are put Enter valve body (1) outlet end connect soon the two of bayonet (13) connect soon clamp (131), two card grooves (133) on the inside of (132), (134) connect clamp (131) soon with about two in, (132) are mutually fastened and connected, sealing head assembly (30) packing holder (31) before Bulge loop mouth (12) surface that sealing ring (32) surface being embedded in end surfaces groove is set with valve body (1) port of export internal channel mouth end Closing is tightly connected.

A kind of 4. long valve rod gate valve with fast interface according to claim 1 or 2, it is characterised in that：The valve Body (1) bottom includes valve body (1) bottom by flange-interface (11) by the floss hole device (4) being equipped with the inside of flange-interface (11) The jointing (41) that side is equipped with, jointing (41) are equipped with the central through hole communicated with valve body (1) arrival end internal channel, center Anterior in through hole to be equipped with conical closure mouth (411), afterbody is equipped with inner thread mouth (412) in central through hole, in jointing (41) tail end head is equipped with external pipe thread；The central through hole afterbody of the jointing (41) is bolted with tiltedly stifled plug screw (42), Tiltedly the head of stifled plug screw (42) is equipped with conical head (421) and conical closure mouth (411) closure of jointing (41) connects, tiltedly stifled The afterbody of plug screw (42) is equipped with central blind hole (422), and the bottom of central blind hole (422) is equipped with the water conservancy diversion communicated with plug screw outer circumferential surface Hole (423), the afterbody axis side face for tiltedly blocking up plug screw (42) are equipped with hexagonal bulge loop (424)；Described jointing (41) tail end The hexagon that head is bolted with tail end sealing tiltedly blocks up nut (43), ledge surface and connection in oblique stifled nut (43) screw socket bottom Diaphragm seal (44) is provided between connector (41) rear end surface.

A kind of 5. long valve rod gate valve with fast interface according to claim 3, it is characterised in that：The valve body (1) port of export is additionally provided with lug hangers (14) by connecing the bottom on the inside of bayonet (13) soon, is equipped among lug hangers (14) small logical Hole；Packing holder (31) breech face of the sealing head assembly (30) is additionally provided with plush copper hangers (311), plush copper hangers (311) Outer circumferential surface be equipped with small through hole；The outer circumferential surface of the small through hole and plush copper hangers (311) that are set among the lug hangers (14) is set Small through hole in impaling be connected with the first chain (6).

A kind of 6. long valve rod gate valve with fast interface according to claim 4, it is characterised in that：The valve body (1) port of export is additionally provided with lug hangers (14) by connecing the bottom on the inside of bayonet (13) soon, is equipped among lug hangers (14) small logical Hole；The lower part of tiltedly stifled nut (43) axis side face of the floss hole device (4) is equipped with groove, and collar hangers is connected with groove (8), collar hangers (8) side is equipped with small hanging ring；The small through hole set among the lug hangers (14) and collar hangers (8) one Impaling is connected with the second chain (7) in the small hanging ring that side is set.