CN202001624U - Disassembly-free online maintaining type butterfly valve - Google Patents

Disassembly-free online maintaining type butterfly valve Download PDF

Info

Publication number
CN202001624U
CN202001624U CN2011200789777U CN201120078977U CN202001624U CN 202001624 U CN202001624 U CN 202001624U CN 2011200789777 U CN2011200789777 U CN 2011200789777U CN 201120078977 U CN201120078977 U CN 201120078977U CN 202001624 U CN202001624 U CN 202001624U
Authority
CN
China
Prior art keywords
valve
described valve
valve rod
butterfly
valve body
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 - Lifetime
Application number
CN2011200789777U
Other languages
Chinese (zh)
Inventor
王福全
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.)
Sungo Valves Group Co Ltd
Original Assignee
赵雷
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 赵雷 filed Critical 赵雷
Priority to CN2011200789777U priority Critical patent/CN202001624U/en
Application granted granted Critical
Publication of CN202001624U publication Critical patent/CN202001624U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Lift Valve (AREA)
  • Details Of Valves (AREA)

Abstract

The utility model relates to a disassembly-free online maintaining type butterfly valve comprising a valve body, a butterfly plate, a valve rod and a valve cover. The valve cover is fixedly installed on the valve body by a bolt, an upper opening of a middle chamber of the valve body is sealed, the lower end of the valve rod is connected with the valve body in a rotating manner, the upper part of the valve rod penetrates through a valve rod hole in the valve cover, rotates together with the valve cover and is matched with the valve cover in a sealing manner, the valve rod and the butterfly plate can be taken from the upper opening of the middle chamber due to the proper shape and the size of the upper opening, and the butterfly plate is positioned in the middle chamber and fixedly installed on the valve rod. In the butterfly valve, the structure is reasonable, the process is simple and good, the assembly is easy; the butterfly valve can be repaired or maintained without being disassembled from a pipeline, so that the repairing or maintaining difficulty and cost can be lowered effectively; and the valve can be used continuously by only changing a sealing piece, so that the service life of the valve is prolonged effectively.

Description

But exempt to dismantle online maintenance type butterfly valve
Technical field
The utility model relates to a kind of butterfly valve, and is particularly a kind of when Sealing or sealing surface break down, but do not need with butterfly valve from pipeline disassemble can keep in repair exempt to dismantle online maintenance type butterfly valve.
Background technique
Tradition butterfly valve pivot pin commonly used is connected valve rod with butterfly plate, be fixed on seal ring on the butterfly plate and on valve body direct built-up welding stainless steel material process sealing surface.Use after a period of time, can be owing to the sealing surface wear generation phenomenon of leakage, need this moment to revise sealing surface or change Sealing, cumbersome but the dismounting of butterfly valve is keeped in repair: the one, disassemble valve from pipeline, could change Sealing; The 2nd, butterfly plate need be taken off just from valve shaft and can be carried out the maintenance of sealing surface, difficulty more seems when repairing or replacing Sealing especially at the scene.
The model utility content
For overcoming the above-mentioned defective of prior art, but the utility model provides a kind of online maintenance type butterfly valve of exempting to dismantle, this butterfly valve structure is reasonable, technology simple, assembling easily, good manufacturability, do not need it is removed from pipeline and can repair or replace Sealing.
Main technical schemes of the present utility model:
But a kind ofly exempt to dismantle online maintenance type butterfly valve, comprise valve body, butterfly plate, valve rod and valve gap, described valve gap is installed on the described valve body by bolt, seal the upper shed of described valve body lumen, described valve rod lower end is rotatably connected with described valve body, the valve rod hole that is provided with on the described valve gap is passed on top, with the rotation of described valve gap and be sealed and matched, the shape of the upper shed of described lumen and size allow the valve rod that links together and butterfly plate from wherein taking out, described butterfly plate is positioned at described lumen, and is fixedly mounted on the described valve rod.
Described valve gap can be provided with the valve stem casing of downward extension, and the mesopore of described valve stem casing constitutes described valve rod hole.
Can be provided with seal ring and the stuffing box that is used to seal between described valve stem casing and the described valve rod, be filled with sealing material in the described stuffing box.
The bottom of described valve body can be provided with the lower through-hole of the described valve rod lower end that is used to be rotatably connected, and can be with axle sleeve in the described lower through-hole, and the lower end of described valve rod can be inserted in the described axle sleeve and with described axle sleeve rotation and be cooperated.
The bottom of described valve body can be provided with bottom, and described bottom is positioned at the below of described axle sleeve, can be bolted to connection on the main body of described valve body, and close the under shed of described lumen
The medial axis of the described valve rod in upper edge, bottom surface of described valve rod can be provided with cylindrical groove, preferably is provided with the rotation back shaft that matches with the position and the shape of described cylindrical groove on the inwall of described bottom.
The upper shed shape of described valve body lumen can be prismatic or ellipse.
Can be provided with the seal ring that constitutes sealing pair with the valve seat of described valve body on the sealing surface of described butterfly plate.
The top of described valve rod can be provided with handle, and described handle preferably removably connects with described valve rod.
The utlity model has following beneficial effect:
1, the design of the shape of the upper shed of valve body lumen of the present utility model and size, make when opening described valve gap, described butterfly plate and valve rod can be taken out from the lumen of described valve body together, keep in repair or safeguard, the difficulty and the cost that greatly reduce maintenance or safeguard;
2, described valve stem casing and and described valve rod between seal ring and the design of stuffing box, in the positioning action that plays described valve rod, can also realize effectively the sealing, prevent the generation of the described valve rod hole phenomenon of leakage;
3, the design of the rotation back shaft on the cylindrical hole of described valve rod bottom surface and the described bottom that matches with it, realize accurate location further to described valve rod, make it can not depart from the fixed position in the course of the work because of the active force of medium, influence the sealing of described butterfly plate, the setting of described axle sleeve has guaranteed the sealing between described bottom and the bottom seat;
The utility model is rational in infrastructure, technology is simple, assembling is easy, good manufacturability, does not need it is removed from pipeline and can keep in repair or safeguard it.
Description of drawings
Fig. 1 is a plan view of the present utility model;
Fig. 2 is a left view of the present utility model.
Embodiment
Referring to Fig. 1 and 2, but the utility model provides a kind of online maintenance type butterfly valve of exempting to dismantle, comprise valve body 1, butterfly plate 2, valve rod 3 and valve gap 4, described valve gap is installed on the described valve body by bolt, seal the upper shed of described valve body lumen, described valve rod lower end is rotatably connected with described valve body, the valve rod hole that is provided with on the described valve gap is passed on top, with the rotation of described valve gap and be sealed and matched, the shape of the upper shed of described lumen and size allow the valve rod that links together and butterfly plate from wherein taking out, the upper shed shape of described valve body lumen can be prismatic or ellipse, and described butterfly plate is positioned at described lumen, and is fixedly mounted on the described valve rod.The design of the shape of the upper shed of described lumen and size, make when opening described valve gap, described butterfly plate and valve rod can be taken out from the lumen of described valve body together, do not need earlier valve is disassembled and can keep in repair and safeguard the difficulty and the cost that have reduced maintenance or safeguarded it from pipeline.
Described valve gap is provided with the valve stem casing 6 of downward extension, and the mesopore of described valve stem casing constitutes described valve rod hole.Can be provided with seal ring and the stuffing box that is used to seal between described valve stem casing and the described valve rod, be filled with sealing material in the described stuffing box, described valve stem casing can guarantee that described in the course of the work valve rod does not produce the skew of rocking with the position, described seal ring and stuffing box have been realized the sealing between described valve rod and the valve stem casing effectively, prevent the generation of the described valve rod hole phenomenon of leakage.
The bottom of described valve body can be provided with the lower through-hole of the described valve rod lower end that is used to be rotatably connected, be convenient to cooperate described valve rod hole and valve stem casing that described valve rod is located, can be with axle sleeve 7 in the described lower through-hole, the lower end of described valve rod can be inserted in the described axle sleeve and with described axle sleeve rotation and be cooperated, reduce the wearing and tearing between the two when realizing the sealing between described valve rod and the lower through-hole, prevent the generation of the described through hole phenomenon of leakage.
The bottom of described valve body is provided with bottom 5, and described bottom is positioned at the below of described axle sleeve, is bolted to connection on the main body of described valve body, and closes the under shed of described lumen.
The medial axis of the described valve rod in upper edge, bottom surface of described valve rod can be provided with cylindrical groove, preferably is provided with the rotation back shaft 8 that matches with the position and the shape of described cylindrical groove on the inwall of described bottom.Adopt this kind design can realize accurate location further to described valve rod, make it can not depart from the fixed position in the course of the work because of the active force of medium, influence the sealing of described base plate, simultaneously also provide the rotation centre of support for described valve rod, be convenient to it and drive the butterfly plate rotation that connects thereon, realize the opening and closing of valve.
The top of described valve rod can be provided with handle, and described handle preferably removably connects with described valve rod, is convenient to control described butterfly plate by valve rod and rotates the opening and closing that realize valve.
Described butterfly valve can be hard seal butterfly valve or soft sealing butterfly valve, be preferably soft sealing butterfly valve, the sealing surface of described butterfly plate is provided with the seal ring that constitutes sealing pair with the valve seat of described valve body, the valve seat of described valve body can adopt technique for overlaying to make, described butterfly plate preferably is fixed on the described valve rod by pivot pin, is convenient to dismounting.
The control mode of described butterfly valve can also can connect control corresponding system or device realization control automatically for manual control.
The utility model is rational in infrastructure, technology is simple, assembling is easy, good manufacturability, do not need it is removed from pipeline and can keep in repair or safeguard it, the difficulty and the cost that have reduced maintenance effectively or safeguarded, only need to change Sealing and can make valve continue to use, prolonged the working life of valve effectively.

Claims (9)

1. but exempt to dismantle online maintenance type butterfly valve for one kind, comprise valve body, butterfly plate, valve rod and valve gap, it is characterized in that described valve gap is installed on the described valve body by bolt, seal the upper shed of described valve body lumen, described valve rod lower end is rotatably connected with described valve body, the valve rod hole that is provided with on the described valve gap is passed on top, with the rotation of described valve gap and be sealed and matched, the shape of the upper shed of described lumen and size allow the valve rod that links together and butterfly plate from wherein taking out, described butterfly plate is positioned at described lumen, and is fixedly mounted on the described valve rod.
2. but as claimed in claim 1ly exempt to dismantle online maintenance type butterfly valve, it is characterized in that described valve gap is provided with the valve stem casing of downward extension, the mesopore of described valve stem casing constitutes described valve rod hole.
3. but as claimed in claim 2ly exempt to dismantle online maintenance type butterfly valve, it is characterized in that being provided with seal ring and the stuffing box that is used to seal between described valve stem casing and the described valve rod, be filled with sealing material in the described stuffing box.
4. but as claimed in claim 3ly exempt to dismantle online maintenance type butterfly valve, the bottom that it is characterized in that described valve body is provided with the lower through-hole of the described valve rod lower end that is used to be rotatably connected, be with axle sleeve in the described lower through-hole, the lower end of described valve rod is inserted in the described axle sleeve and with described axle sleeve rotation and is cooperated.
5. but the dismounting maintenance type butterfly valve of exempting from as claimed in claim 4, the bottom that it is characterized in that described valve body is provided with bottom, described bottom is positioned at the below of described axle sleeve, is bolted to connection on the main body of described valve body, and closes the under shed of described lumen.
6. but the dismounting maintenance type butterfly valve of exempting from as claimed in claim 5, the medial axis that it is characterized in that the described valve rod in upper edge, bottom surface of described valve rod is provided with cylindrical groove, and the inwall of described bottom is provided with the rotation back shaft that matches with the position and the shape of described cylindrical groove.
But 7. as claim 1,2,3,4, the 5 or 6 described dismounting maintenance type butterfly valves of exempting from, it is characterized in that described valve body lumen upper shed be shaped as prismatic or ellipse.
8. but the dismounting maintenance type butterfly valve of exempting from as claimed in claim 8 is characterized in that the sealing surface of described butterfly plate is provided with the seal ring that constitutes sealing pair with the valve seat of described valve body.
9. but the dismounting maintenance type butterfly valve of exempting from as claimed in claim 9 is characterized in that the top of described valve rod is provided with handle, and described handle and described valve rod removably connect.
CN2011200789777U 2011-03-18 2011-03-18 Disassembly-free online maintaining type butterfly valve Expired - Lifetime CN202001624U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200789777U CN202001624U (en) 2011-03-18 2011-03-18 Disassembly-free online maintaining type butterfly valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200789777U CN202001624U (en) 2011-03-18 2011-03-18 Disassembly-free online maintaining type butterfly valve

Publications (1)

Publication Number Publication Date
CN202001624U true CN202001624U (en) 2011-10-05

Family

ID=44704365

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011200789777U Expired - Lifetime CN202001624U (en) 2011-03-18 2011-03-18 Disassembly-free online maintaining type butterfly valve

Country Status (1)

Country Link
CN (1) CN202001624U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103470792A (en) * 2013-09-23 2013-12-25 南通龙源电站阀门有限公司 Triple-eccentric high-pressure butterfly valve capable of realizing online replacement of valve seat
CN111795158A (en) * 2020-07-11 2020-10-20 济南德创试验仪器有限公司 Butterfly valve easy to maintain

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103470792A (en) * 2013-09-23 2013-12-25 南通龙源电站阀门有限公司 Triple-eccentric high-pressure butterfly valve capable of realizing online replacement of valve seat
CN111795158A (en) * 2020-07-11 2020-10-20 济南德创试验仪器有限公司 Butterfly valve easy to maintain
CN111795158B (en) * 2020-07-11 2022-03-18 云和立信泵阀制造有限公司 Butterfly valve easy to maintain

Similar Documents

Publication Publication Date Title
CN205937999U (en) Novel swing check valve
CN204573211U (en) Three eccentricity seals non-return butterfly valve firmly
CN202001624U (en) Disassembly-free online maintaining type butterfly valve
CN204942662U (en) Spring Fall lift safety valve
CN105422900A (en) Ball valve with non-contact valve ball and valve seats during rotation
CN104633143B (en) Pneumatic abrasion-resisting angle stop valve
CN212004294U (en) Novel butterfly valve
CN210196522U (en) Spherical stop valve
CN201866275U (en) Top-mounted butterfly valve
CN205824208U (en) A kind of hermetically sealed butterfly valve of novel big orifice
CN208687003U (en) A kind of ball valve of replaceable sealing structure
CN209483962U (en) A kind of hard seal gate valve
CN203202301U (en) Pneumatic valve for direction change of water
CN203322394U (en) Check valve with replaceable valve seat
CN203963086U (en) Full-bore semispherical valve
CN203131096U (en) Top-mounted double-eccentric ball valve
CN201363431Y (en) Quick-service throttling cut-off valve
CN203743449U (en) Demountable flange butterfly valve
CN220957033U (en) Top-mounted hemispherical valve with filtering function
CN208670205U (en) A kind of online rapid-maintenance shut-off valve
CN209587165U (en) A kind of butterfly valve being conveniently replaceable maintenance
CN203948693U (en) A kind of ball-valve structure
CN110778756B (en) Double-sealing auxiliary check valve
CN204004513U (en) Be convenient to the LNG ball-valve dedicated of on-line maintenance
CN210240584U (en) Butterfly valve

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: SUNGO VALVES GROUP CO., LTD.

Free format text: FORMER OWNER: ZHAO LEI

Effective date: 20120329

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20120329

Address after: 325105 Zhejiang province Yongjia Dong'ou Industrial Zone

Patentee after: SUNGO VALVES GROUP CO., LTD.

Address before: 325105 Zhejiang province Yongjia County Oubei town Dong'ou industrial zone is the valve group Co. Ltd.

Patentee before: Zhao Lei

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20111005