CN202597728U - Butterfly valve - Google Patents

Butterfly valve Download PDF

Info

Publication number
CN202597728U
CN202597728U CN 201220143307 CN201220143307U CN202597728U CN 202597728 U CN202597728 U CN 202597728U CN 201220143307 CN201220143307 CN 201220143307 CN 201220143307 U CN201220143307 U CN 201220143307U CN 202597728 U CN202597728 U CN 202597728U
Authority
CN
China
Prior art keywords
valve
ceramic
support
butterfly plate
butterfly
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
CN 201220143307
Other languages
Chinese (zh)
Inventor
洪荣坤
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.)
Tianjin Tanggu No1 Valve Factory
Original Assignee
Tianjin Tanggu No1 Valve Factory
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 Tianjin Tanggu No1 Valve Factory filed Critical Tianjin Tanggu No1 Valve Factory
Priority to CN 201220143307 priority Critical patent/CN202597728U/en
Application granted granted Critical
Publication of CN202597728U publication Critical patent/CN202597728U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a butterfly valve, which comprises a valve body, a butterfly plate body, a ceramic body sleeve, a valve rod, a worm box, a ceramic valve seat and the like. The butterfly valve is characterized in that a bracket is arranged at the lower end of the worm box, and is fixedly connected with the worm box through a bolt (A); the valve body is arranged at the lower end of the bracket, and is fixedly connected with the bracket through a bolt (B); the valve rod is arranged at central positions in the valve body and the bracket; a packing cover is arranged on the outer circle side of the valve rod in the bracket; a packing box is arranged at the lower end of the packing cover; an upper bearing is arranged at the lower end of the packing box; the ceramic body sleeve is additionally arranged on the fluid flow-passing surface of a valve cavity in the valve body; the ceramic valve seat and a butterfly plate body are arranged in the valve cavity; the butterfly plate body is fixedly connected with the valve rod through a cylindrical pin; the ceramic valve seat is fixedly arranged on the butterfly plate body through a screw; a lower bearing is arranged between the bottom of the valve body and the bottom of the valve rod; and a thrust bearing is arranged on the lower end face of the valve rod. The service life of the valve can be prolonged, the safety and stability of a matched equipment running system can be improved, and the maintenance cost is saved.

Description

A kind of butterfly valve
Technical field
The utility model belongs to valve and makes the field, especially relates to a kind of butterfly valve.
Background technique
At present, the valve that generally uses receives the restriction of material, structure, can not adapt to the demand of bad working environments such as increasingly high wearing and tearing, deep-etching, is mainly reflected in the weak point in working life, reveals the stability that has seriously influenced system's operation greatly.Traditional valve is badly in need of reforming completely from aspects such as material, structure and manufacturing process.
The model utility content
The purpose of the utility model provides and has a kind ofly improved the corrosion-resistant, wear-resistant of valve and wash away, and resistance to high temperature, prolongs the working life of valve; Improve Security, the stability of corollary equipment operational system; Be convenient to the dismounting maintenance, practiced thrift maintenance cost, the butterfly valve of good economy performance.
The technological scheme of the utility model is: a kind of butterfly valve, comprise valve body, butterfly plate body, ceramic body cover, valve rod, worm box, ceramic valve seat etc., and it is characterized in that: the worm box lower end is a support; Support is fixedly connected with worm box through bolt (A), the support lower end be provided with valve body, valve body is fixedly connected through bolt (B) with support; The central position is provided with valve rod in valve body and the support; The outer ring side of support inner valve stem is provided with Gland, and the Gland lower end is provided with stuffing box, and the stuffing box lower end is provided with upper bearing (metal); On valve body internal valve cavity fluid flow-passing surface, installed the ceramic body cover additional; Be provided with ceramic valve seat and butterfly plate body in the valve pocket, the butterfly plate body is fixedly connected with valve rod through straight pin, and ceramic valve seat is installed on the butterfly plate body through screw; Be provided with lower bearing between valve body bottom and the stem bottom, the valve rod lower end surface is provided with thrust bearing.
Advantage and the good effect that the utlity model has are: improved the corrosion-resistant, wear-resistant of valve and washed away, and resistance to high temperature, the working life of prolongation valve; Improve Security, the stability of corollary equipment operational system; Be convenient to the dismounting maintenance, practiced thrift maintenance cost, good economy performance.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Among the figure:
1, valve body 2, thrust bearing 3, lower bearing 4, valve rod
5, ceramic body cover 6, ceramic valve seat 7, butterfly plate body 8, screw
9, upper bearing (metal) 10, stuffing box 11, Gland 12, bolt (B)
13, support 14, bolt (A) 15, key 16, worm box
17, fluid flow-passing surface 18, valve pocket 19, round pin post
Embodiment
Preferred embodiment in the face of the utility model is elaborated down.
As shown in Figure 1, the utility model provides a kind of butterfly valve, comprises valve body 1, butterfly plate body 7, ceramic body cover 5, valve rod 4, worm box 16, ceramic valve seat 6 etc.Worm box 16 lower ends are support 13, and support 13 is fixedly connected with worm box 16 through bolt (A) 14, support 13 lower ends be provided with valve body 1; Valve body 1 is fixedly connected through bolt (B) 12 with support 13, and valve body 1 is provided with valve rod 4 with support 13 interior central positions, and the outer ring side of support 13 inner valve stem 4 is provided with Gland 11; Gland 11 lower ends are provided with stuffing box 10; Stuffing box 10 lower ends are provided with upper bearing (metal) 9, on valve body 1 internal valve cavity 18 fluid flow-passing surfaces 17, have installed ceramic body cover 5 additional, are provided with ceramic valve seat 6 and butterfly plate body 7 in the valve pocket 18; Butterfly plate body 7 is fixedly connected with valve rod 4 through straight pin 19; Ceramic valve seat 6 is fixedly mounted on the butterfly plate body 7 through screw 8, is provided with lower bearing 3 between valve body 1 bottom and valve rod 4 bottoms, and valve rod 1 lower end surface is provided with thrust bearing 2.
The utility model has improved the corrosion-resistant, wear-resistant of valve and has washed away, and resistance to high temperature, prolongs the working life of valve, improves Security, the stability of corollary equipment operational system, is convenient to the dismounting maintenance, has practiced thrift maintenance cost, good economy performance.
More than the embodiment of the utility model is specified, but said content is merely the preferred embodiment of the utility model, can not be considered to be used to limit the practical range of the utility model.All equalizations of doing according to the utility model application range change and improve etc., all should still belong within the patent covering scope of the utility model.

Claims (1)

1. a butterfly valve comprises valve body, butterfly plate body, ceramic body cover, valve rod, worm box, ceramic valve seat etc., and it is characterized in that: the worm box lower end is a support; Support is fixedly connected with worm box through bolt (A), the support lower end be provided with valve body, valve body is fixedly connected through bolt (B) with support; The central position is provided with valve rod in valve body and the support, and the outer ring side of support inner valve stem is provided with Gland, and the Gland lower end is provided with stuffing box; The stuffing box lower end is provided with upper bearing (metal), on valve body internal valve cavity fluid flow-passing surface, has installed the ceramic body cover additional, is provided with ceramic valve seat and butterfly plate body in the valve pocket; The butterfly plate body is fixedly connected with valve rod through straight pin; Ceramic valve seat is installed on the butterfly plate body through screw, is provided with lower bearing between valve body bottom and the stem bottom, and the valve rod lower end surface is provided with thrust bearing.
CN 201220143307 2012-04-09 2012-04-09 Butterfly valve Expired - Fee Related CN202597728U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220143307 CN202597728U (en) 2012-04-09 2012-04-09 Butterfly valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220143307 CN202597728U (en) 2012-04-09 2012-04-09 Butterfly valve

Publications (1)

Publication Number Publication Date
CN202597728U true CN202597728U (en) 2012-12-12

Family

ID=47315267

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220143307 Expired - Fee Related CN202597728U (en) 2012-04-09 2012-04-09 Butterfly valve

Country Status (1)

Country Link
CN (1) CN202597728U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105736718A (en) * 2016-04-27 2016-07-06 邱忠孝 Sleeve type butterfly valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105736718A (en) * 2016-04-27 2016-07-06 邱忠孝 Sleeve type butterfly valve

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121212

Termination date: 20140409

C17 Cessation of patent right