CN205226612U - Butterfly valve top bush seal structure - Google Patents

Butterfly valve top bush seal structure Download PDF

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Publication number
CN205226612U
CN205226612U CN201520991982.5U CN201520991982U CN205226612U CN 205226612 U CN205226612 U CN 205226612U CN 201520991982 U CN201520991982 U CN 201520991982U CN 205226612 U CN205226612 U CN 205226612U
Authority
CN
China
Prior art keywords
valve
butterfly
bush
valve rod
type circle
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.)
Active
Application number
CN201520991982.5U
Other languages
Chinese (zh)
Inventor
刘仁安
陈书星
吴美玲
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.)
Safety valve fluid control (Shanghai) Co.,Ltd.
Original Assignee
Shanghai Anfa Flow Control 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 Anfa Flow Control Co Ltd filed Critical Shanghai Anfa Flow Control Co Ltd
Priority to CN201520991982.5U priority Critical patent/CN205226612U/en
Application granted granted Critical
Publication of CN205226612U publication Critical patent/CN205226612U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a butterfly valve top bush seal structure, including valve body, valve rod, the valve rod is located in the valve body, the valve body with be equipped with the bush between the valve rod, the outer wall of bush, inner wall are equipped with O type circle groove respectively, and O type circle groove is provided with O type circle. The utility model provides a butterfly valve top bush seal structure is sealed respond well, sealed problem between solution valve top valve rod that can be fine and the valve body, simple structure, long service life.

Description

A kind of butterfly valve top bush sealing configuration
Technical field
The utility model relates to a kind of butterfly valve top bush sealing configuration.
Background technique
Conventional centre-pivoted butterfly valve two seals, seals deficiency between valve top valve rod and valve body, often occur in actual use leaking.
Model utility content
In order to overcome the defect of prior art, the utility model provides a kind of leaf spring increasing sealability between valve top valve rod and valve body and presses valve seat type ball valve.
The utility model adopts following technological scheme in order to achieve the above object:
A kind of butterfly valve top bush sealing configuration, comprise valve body, valve rod, described valve rod is arranged in described valve body;
Be provided with lining between described valve body and described valve rod, the outer wall of described lining, inwall are respectively equipped with O type ring recess, and described O type ring recess is provided with O type circle.
Preferably, described O type circle is made up of hydrorubber or silicone rubber.
The butterfly valve top bush sealing configuration sealing effect that the utility model provides is good, can solve sealing problem between valve top part valve rod and valve body, and structure is simple, long service life.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms a application's part, does not form improper restriction of the present utility model, in the accompanying drawings:
Fig. 1 is the utility model embodiment cross-sectional view.
Embodiment
Describe the utility model in detail below in conjunction with accompanying drawing and specific embodiment, be used for explaining the utility model with illustrative examples of the present utility model and explanation at this, but not as to restriction of the present utility model.
As shown in Figure 1, a kind of butterfly valve top bush sealing configuration, comprises valve body 2, valve rod 1, and described valve rod 1 is arranged in described valve body 2; Lining 3 is provided with between described valve body 2 and described valve rod 1, the outer wall of described lining 3, inwall are respectively equipped with O type ring recess, and described O type ring recess is provided with O type circle 4, O type circle 4 has good elasticity, sealing effect is good, can realize and valve body 2, valve rod 1 effective sealing.
As the part preferred version of above-described embodiment scheme, described O type circle 4 is made up of hydrorubber, its wear-resisting, good corrosion resistance, also can be made up of silicone rubber, silicone rubber O type circle has good elasticity, and sealing effect is good, can solve sealing problem between valve top valve rod 1 and valve body 2, structure is simple, long service life.
Above the technological scheme that the utility model embodiment provides is described in detail, apply specific case herein to set forth the principle of the utility model embodiment and mode of execution, the explanation of above embodiment is only applicable to the principle helping to understand the utility model embodiment; Meanwhile, for one of ordinary skill in the art, according to the utility model embodiment, embodiment and application area all will change, and in sum, this description should not be construed as restriction of the present utility model.

Claims (2)

1. a butterfly valve top bush sealing configuration, is characterized in that:
Comprise valve body, valve rod, described valve rod is arranged in described valve body;
Be provided with lining between described valve body and described valve rod, the outer wall of described lining, inwall are respectively equipped with O type ring recess, and described O type ring recess is provided with O type circle.
2. a kind of butterfly valve top bush sealing configuration according to claim 1, is characterized in that:
Described O type circle is made up of hydrorubber or silicone rubber.
CN201520991982.5U 2015-12-04 2015-12-04 Butterfly valve top bush seal structure Active CN205226612U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520991982.5U CN205226612U (en) 2015-12-04 2015-12-04 Butterfly valve top bush seal structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520991982.5U CN205226612U (en) 2015-12-04 2015-12-04 Butterfly valve top bush seal structure

Publications (1)

Publication Number Publication Date
CN205226612U true CN205226612U (en) 2016-05-11

Family

ID=55901678

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520991982.5U Active CN205226612U (en) 2015-12-04 2015-12-04 Butterfly valve top bush seal structure

Country Status (1)

Country Link
CN (1) CN205226612U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CP03 Change of name, title or address

Address after: 201411 building 3, No. 99, Desheng Road, Fengcheng Town, Fengxian District, Shanghai

Patentee after: Safety valve fluid control (Shanghai) Co.,Ltd.

Address before: Room 205, No. 688, Fengwang Road, Fengcheng Town, Fengxian District, Shanghai 201400

Patentee before: SHANGHAI ANFA FLOW CONTROL Co.,Ltd.

CP03 Change of name, title or address