CN201448457U - Center line butterfly valve - Google Patents

Center line butterfly valve Download PDF

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Publication number
CN201448457U
CN201448457U CN2009200467174U CN200920046717U CN201448457U CN 201448457 U CN201448457 U CN 201448457U CN 2009200467174 U CN2009200467174 U CN 2009200467174U CN 200920046717 U CN200920046717 U CN 200920046717U CN 201448457 U CN201448457 U CN 201448457U
Authority
CN
China
Prior art keywords
valve
center line
valve seat
bearing
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 - Fee Related
Application number
CN2009200467174U
Other languages
Chinese (zh)
Inventor
张逸芳
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.)
Jiangsu Shentong Valve Co Ltd
Original Assignee
Jiangsu Shentong 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 Jiangsu Shentong Valve Co Ltd filed Critical Jiangsu Shentong Valve Co Ltd
Priority to CN2009200467174U priority Critical patent/CN201448457U/en
Application granted granted Critical
Publication of CN201448457U publication Critical patent/CN201448457U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a center line butterfly valve, comprising a valve body, a valve shaft, an upper bearing, a o-shaped ring, a lower shaft, a butterfly plate and a valve seat, wherein the valve seat is mounted in the valve body, the o-shaped ring is arranged between the upper bearing and the lower bearing, the lower end of the lower bearing is provided with a step, of which one end is inserted into a corresponding groove of the valve seat. The utility model has the beneficial effect that the valve shaft and the valve body are sealed reliably by using multiple sealing ways.

Description

A kind of center line butterfly valve
Technical field
The utility model relates to a kind of valving, especially a kind of center line butterfly valve.
Background technique
At the center line butterfly valve of every profession and trade use, the sealing between its valve shaft and the valve body only depends on the O shape of upper bearing (metal) and lower bearing to enclose and seals at present, easily causes axial end to leak when pressure medium is higher.
Summary of the invention
In order to overcome the existing center line butterfly valve deficiency that axial end is easily leaked when pressure medium is higher, the utility model provides a kind of center line butterfly valve.
The technological scheme that its technical problem that solves the utility model adopts is a kind of center line butterfly valve, comprise valve body, valve shaft, upper bearing (metal), O shape circle, lower bearing, butterfly plate, valve seat, valve seat is installed in the valve body, O shape circle is housed between upper bearing (metal) and the lower bearing, there is a step lower end of lower bearing, and step one end stretches in the corresponding groove of valve seat.
The beneficial effects of the utility model are that employing is multiple-sealed between valve shaft and valve body, and sealing is reliable.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the tectonic maps of present embodiment;
Among the figure: 1. valve body; 2. upper bearing (metal); 3.O shape circle; 4. lower bearing; 5. valve seat; 6. step; 7. butterfly plate; 8. valve shaft.
Embodiment
A kind of center line butterfly valve, comprise valve body 1, valve shaft 8, upper bearing (metal) 2, O shape circle 3, lower bearing 4, butterfly plate 7, valve seat 5, valve seat 5 is installed in the valve body 1, and O shape circle 3 is housed between upper bearing (metal) 2 and the lower bearing 4, there is a step 6 lower end of lower bearing 4, and step 6 one ends stretch in the valve seat 5 corresponding grooves.

Claims (1)

1. center line butterfly valve, comprise valve body, valve shaft, upper bearing (metal), O shape circle, lower bearing, butterfly plate, valve seat, valve seat is installed in the valve body, and O shape circle is housed between upper bearing (metal) and the lower bearing, it is characterized in that: there is a step lower end of described lower bearing, and step one end stretches in the corresponding groove of valve seat.
CN2009200467174U 2009-06-22 2009-06-22 Center line butterfly valve Expired - Fee Related CN201448457U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200467174U CN201448457U (en) 2009-06-22 2009-06-22 Center line butterfly valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009200467174U CN201448457U (en) 2009-06-22 2009-06-22 Center line butterfly valve

Publications (1)

Publication Number Publication Date
CN201448457U true CN201448457U (en) 2010-05-05

Family

ID=42553173

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009200467174U Expired - Fee Related CN201448457U (en) 2009-06-22 2009-06-22 Center line butterfly valve

Country Status (1)

Country Link
CN (1) CN201448457U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113915366A (en) * 2021-09-18 2022-01-11 湖南联诚轨道装备有限公司 A multilayer sealing ball valve for track traffic

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113915366A (en) * 2021-09-18 2022-01-11 湖南联诚轨道装备有限公司 A multilayer sealing ball valve for track traffic

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Legal Events

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

Granted publication date: 20100505

Termination date: 20160622