CN206592570U - A kind of pipeline ball valve with fire-proof function - Google Patents

A kind of pipeline ball valve with fire-proof function Download PDF

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Publication number
CN206592570U
CN206592570U CN201720343596.4U CN201720343596U CN206592570U CN 206592570 U CN206592570 U CN 206592570U CN 201720343596 U CN201720343596 U CN 201720343596U CN 206592570 U CN206592570 U CN 206592570U
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CN
China
Prior art keywords
valve
barrel
encapsulation layer
valve rod
rubber sealant
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.)
Expired - Fee Related
Application number
CN201720343596.4U
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Chinese (zh)
Inventor
彭文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lampa Control Valve Jiangsu Co ltd
Original Assignee
SHANGHAI LANPA CONTROL VALVE Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANGHAI LANPA CONTROL VALVE Co Ltd filed Critical SHANGHAI LANPA CONTROL VALVE Co Ltd
Priority to CN201720343596.4U priority Critical patent/CN206592570U/en
Application granted granted Critical
Publication of CN206592570U publication Critical patent/CN206592570U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of pipeline ball valve with fire-proof function, including left valve barrel, right valve barrel, spheroid, valve seat and valve rod, wherein adopt and be bolted connection between left valve barrel and right valve barrel, flow channel is offered on left valve barrel, flow pass is offered on right valve barrel, and valve pocket is provided between flow channel and flow pass, the valve pocket is equipped with valve seat close to one end of flow channel and flow pass, position of the sphere installation between valve seat, the first graphite encapsulation layer and the second graphite encapsulation layer are located at the both sides of rubber sealant in the utility model, it not only acts as sealing function, more play the protection to rubber sealant, prevent being contacted with rubber sealant for the direct large area of high-temperature medium, rubber sealant is avoided to occur quickly damaging very much, so as to reach sealing fireproof effect, processing request is low simultaneously, processing technology is simple, without carrying out excessive design to valve body structure, so that holistic cost is more, the scope of application is wider.

Description

A kind of pipeline ball valve with fire-proof function
Technical field
The utility model is related to valve field, specifically a kind of pipeline ball valve with fire-proof function.
Background technology
Ball valve is mainly used to make the flow direction for cutting off, distributing and changing medium in pipeline, and it is only needed to rotation 90 The operation of degree and the rotating torque of very little can just close tight.Ball valve optimum is switched, stop valve is used, V-type ball valve.It is electronic Valve should be specifically noted that its environmental condition used in addition to it should be noted that pipe parameter, still, due to the electric device in electrically operated valve It is an electromechanical equipment, its use state is influenceed very big by its use environment.Under usual state, electrical ball valve, butterfly valve are in following ring Border is using will pay special attention to.
For ball valve, because the temperature of medium high temperature and local environment influences overall sealing very much, tradition Rubber seal or graphite grazing, do not reach preferable requirement, and the compound seal of multilayer to the processing request of valve body with And the processing request of valve seat is very high so that the cost increase of whole valve is quickly, it is impossible to accomplish the popularization of large area.
Utility model content
The purpose of this utility model is to provide a kind of pipeline ball valve with fire-proof function, to solve the above-mentioned back of the body The problem of being proposed in scape technology.
To achieve the above object, the utility model provides following technical scheme:
A kind of pipeline ball valve with fire-proof function, including left valve barrel, right valve barrel, spheroid, valve seat and valve rod, its Adopt and be bolted connection between middle left valve barrel and right valve barrel, offered on left valve barrel and stream is offered on flow channel, right valve barrel Go out and valve pocket be provided between passage, and flow channel and flow pass, the valve pocket close to flow channel and flow pass one End is equipped with valve seat, and position of the sphere installation between valve seat, the left valve barrel is provided with the valve rod hole run through up and down, valve The bottom of bar is penetrated in valve pocket from valve rod hole, and wherein grafting is fixed in the bottom of valve rod with spheroid, and the top of valve rod is tight by handle Gu nut is fixed and is locked with handle;Stem bearing is installed between valve rod and valve rod hole, the good of valve rod is provided using stem bearing Take a turn for the better dynamic basis;Valve stem packing is filled with sealing surface between valve rod and valve rod hole, and valve stem packing passes through valve stem packing pressure Lid is compressed, and valve stem gland is enclosed on valve rod in the form of being screwed;The valve seat is main by circular valve seat sheet Body is constituted, and the groove that valve seat body is put for card is wherein equipped with the inwall of left valve barrel, right valve barrel, valve seat body fixing card exists In described groove, and valve seat body is wherein provided with compound seal provided with the sealing surface with ball seal in the sealing surface Component, wherein the composite sealing assembly is close by steel alloy lamella, the first graphite encapsulation layer, rubber sealant and the second graphite Sealing is sequentially overlapped molding and formed, and the contact surface of composite sealing assembly and spheroid is in globoidal structure, passes through steel alloy lamella, first Graphite encapsulation layer, rubber sealant and the second graphite encapsulation layer constitute soft and hard seal alternating expression structure successively, and the first graphite is close Sealing and the second graphite encapsulation layer play fire resistant sealing, and steel alloy lamella plays the support of higher intensity, rubber seal Layer can make it that overall sealing effectiveness is outstanding using the elastic compensating of itself, and the first graphite encapsulation layer and the second graphite Sealant is located at the both sides of rubber sealant, and it not only acts as sealing function, more plays the protection to rubber sealant, prevent height The warm direct large area of medium is contacted with rubber sealant, it is to avoid quickly damaging very much occurs in rubber sealant, so as to reach To sealing fireproof effect.
It is used as further program of the utility model:The centerline of the flow channel, flow pass and valve pocket in On same straight line.
It is used as further program of the utility model:The stem bearing is enclosed on valve rod.
It is used as further program of the utility model:The thickness of first graphite encapsulation layer and the second graphite encapsulation layer is equal More than rubber sealant.
It is used as further program of the utility model:The steel alloy lamella, the first graphite encapsulation layer, rubber sealant with And second graphite encapsulation layer be in circular ring.
The beneficial effects of the utility model:The first graphite encapsulation layer and the second graphite encapsulation layer are located at rubber in the utility model The both sides of glue sealant, it not only acts as sealing function, more plays the protection to rubber sealant, prevent high-temperature medium directly big Area is contacted with rubber sealant, it is to avoid quickly damaging very much occurs in rubber sealant, so as to reach sealing fireproof Effect, while processing request is low, processing technology is simple, without carrying out excessive design to valve body structure so that it is overall into Originally more, the scope of application is wider.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the utility model partial structural diagram.
Fig. 3 is the utility model partial structural diagram.
In figure:1- left valve barrels, 2- right valve barrels, 3- spheroids, 4- valve seats, 5- valve rods, 6- stem bearings, 7- valve stem packings, 8- Valve stem gland, 9- handles, 10- handles clamp nut, 11- valve seat bodies, 12- steel alloys lamella, the graphite grazings of 13- first Layer, 14- rubber layers, the graphite encapsulation layers of 15- second.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.
Refer in Fig. 1~3, the utility model embodiment, a kind of pipeline ball valve with fire-proof function, including Adopt and be bolted connection between left valve barrel 1, right valve barrel 2, spheroid 3, valve seat 4 and valve rod 5, wherein left valve barrel 1 and right valve barrel 2, Offer to offer on flow channel, right valve barrel 2 on left valve barrel 1 and set between flow pass, and flow channel and flow pass Have a valve pocket, the valve pocket is equipped with valve seat 4 close to one end of flow channel and flow pass, the spheroid 3 be arranged on valve seat 4 it Between position, the left valve barrel 1 is provided with the valve rod hole that runs through up and down, and the bottom of valve rod 5 is penetrated in valve pocket from valve rod hole, wherein Grafting is fixed in the bottom of valve rod 5 with spheroid 3, and the top of valve rod 5 is fixed by handle clamp nut 10 is locked with handle 9;Valve rod 5 Stem bearing 6 is installed between valve rod hole, the good rotation basis of valve rod 5 is provided using stem bearing 6;Valve rod 5 and valve rod Valve stem packing 7 is filled with sealing surface between hole, and valve stem packing 7 is compressed by valve stem gland 8, valve stem gland 8 are enclosed in the form of being screwed on valve rod 5;The valve seat 4 is main to be made up of circular valve seat body 11, wherein left valve It is equipped with the groove that valve seat body 11 is put for card on body 1, the inwall of right valve barrel 2, the fixing card of valve seat body 11 is described recessed In groove, and valve seat body 11 be provided with the sealed sealing surface of spheroid 3, composite sealing assembly wherein is installed in the sealing surface, Wherein described composite sealing assembly is by steel alloy lamella 12, the first graphite encapsulation layer 13, the graphite of rubber sealant 14 and second Sealant 15 is sequentially overlapped molding and formed, and the contact surface of composite sealing assembly and spheroid 3 is in globoidal structure, passes through steel alloy lamella 12nd, the first graphite encapsulation layer 13, the graphite encapsulation layer 15 of rubber sealant 14 and second constitute soft and hard seal alternating expression knot successively Structure, the first graphite encapsulation layer 13 and the second graphite encapsulation layer 15 play fire resistant sealing, and steel alloy lamella 12 plays higher The support of intensity, rubber sealant 14 can make it that overall sealing effectiveness is outstanding using the elastic compensating of itself, and the One graphite encapsulation layer 13 and the second graphite encapsulation layer 15 are located at the both sides of rubber sealant 14, and it not only acts as sealing function, more The protection to rubber sealant 14 is played, prevent being contacted with rubber sealant 14 for the direct large area of high-temperature medium, it is to avoid rubber Quickly damaging very much occurs in glue sealant 14, so as to reach sealing fireproof effect.
The center line of the flow channel, flow pass and valve pocket is on the same line.
The stem bearing 6 is enclosed on valve rod 5.
The thickness of the graphite encapsulation layer 15 of first graphite encapsulation layer 13 and second is all higher than rubber sealant 14.
The steel alloy lamella 12, the first graphite encapsulation layer 13, the graphite encapsulation layer 15 of rubber sealant 14 and second are equal In circular ring, graphite encapsulation layer is formed using graphite sealing material molding.
Operation principle of the present utility model is:The contact surface of composite sealing assembly and spheroid 3 is in globoidal structure, passes through alloy The 12, first graphite encapsulation layer 13 of steel disc layer, the graphite encapsulation layer 15 of rubber sealant 14 and second constitute soft and hard seal and handed over successively Wrong formula structure, the first graphite encapsulation layer 13 and the second graphite encapsulation layer 15 play fire resistant sealing, steel alloy lamella 12 To the support of higher intensity, rubber sealant 14 can cause overall sealing effectiveness more to go out using the elastic compensating of itself Color, and the first graphite encapsulation layer 13 and the second graphite encapsulation layer 15 are located at the both sides of rubber sealant 14, it not only acts as sealing Effect, more plays the protection to rubber sealant 14, prevents being contacted with rubber sealant 14 for the direct large area of high-temperature medium, keep away Exempt from rubber sealant 14 to occur quickly damaging very much, so as to reach sealing fireproof effect.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation Involved claim.

Claims (5)

1. a kind of pipeline ball valve with fire-proof function, including left valve barrel(1), right valve barrel(2), spheroid(3), valve seat (4)And valve rod(5), wherein left valve barrel(1)With right valve barrel(2)Between adopt and be bolted connection, left valve barrel(1)On offer stream Enter passage, right valve barrel(2)On offer valve pocket be provided between flow pass, and flow channel and flow pass, the valve pocket One end close to flow channel and flow pass is equipped with valve seat(4), the spheroid(3)Installed in valve seat(4)Between position, The left valve barrel(1)Provided with the valve rod hole run through up and down, valve rod(5)Bottom penetrated from valve rod hole in valve pocket, wherein valve rod (5)Bottom and spheroid(3)Fixed grafting, valve rod(5)Top pass through handle clamp nut(10)Fixation is locked with handle (9);Valve rod(5)Stem bearing is installed between valve rod hole(6), valve rod(5)It is filled with sealing surface between valve rod hole Valve stem packing(7), and valve stem packing(7)Pass through valve stem gland(8)Compress, valve stem gland(8)Using being screwed Form be enclosed on valve rod(5)On;The valve seat(4)The main valve seat body by annular shape(11)Constitute, wherein left valve barrel(1)、 Right valve barrel(2)Inwall on be equipped with and put valve seat body for card(11)Groove, valve seat body(11)Fixing card is described In groove;Valve seat body(11)It is provided with and spheroid(3)Sealed sealing surface, is wherein provided with compound seal group in the sealing surface Part, it is characterised in that:The composite sealing assembly is by steel alloy lamella(12), the first graphite encapsulation layer(13), rubber sealant (14)And second graphite encapsulation layer(15)It is sequentially overlapped molding to form, composite sealing assembly and spheroid(3)Contact surface be in arc Face structure.
2. a kind of pipeline ball valve with fire-proof function according to claim 1, it is characterised in that:It is described to flow into The center line of passage, flow pass and valve pocket is on the same line.
3. a kind of pipeline ball valve with fire-proof function according to claim 1, it is characterised in that:The valve rod Bearing(6)It is enclosed on valve rod(5)On.
4. a kind of pipeline ball valve with fire-proof function according to claim 1, it is characterised in that:Described first Graphite encapsulation layer(13)With the second graphite encapsulation layer(15)Thickness be all higher than rubber sealant(14).
5. a kind of pipeline ball valve with fire-proof function according to claim 1, it is characterised in that:The alloy Steel disc layer(12), the first graphite encapsulation layer(13), rubber sealant(14)And second graphite encapsulation layer(15)In annular shape Structure.
CN201720343596.4U 2017-04-03 2017-04-03 A kind of pipeline ball valve with fire-proof function Expired - Fee Related CN206592570U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720343596.4U CN206592570U (en) 2017-04-03 2017-04-03 A kind of pipeline ball valve with fire-proof function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720343596.4U CN206592570U (en) 2017-04-03 2017-04-03 A kind of pipeline ball valve with fire-proof function

Publications (1)

Publication Number Publication Date
CN206592570U true CN206592570U (en) 2017-10-27

Family

ID=60121956

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720343596.4U Expired - Fee Related CN206592570U (en) 2017-04-03 2017-04-03 A kind of pipeline ball valve with fire-proof function

Country Status (1)

Country Link
CN (1) CN206592570U (en)

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20200408

Address after: 225400 north side of Junmin Road, Huangqiao Industrial Park, Taixing City, Taizhou City, Jiangsu Province

Patentee after: Lampa control valve (Jiangsu) Co.,Ltd.

Address before: 201400, 699, Lane 12, Chang Weng Temple Road, Shanghai, Fengxian District

Patentee before: LAPAR CONTROL VALVE Co.,Ltd.

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171027

CF01 Termination of patent right due to non-payment of annual fee