CN202901322U - Lining plastic butterfly valve - Google Patents

Lining plastic butterfly valve Download PDF

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Publication number
CN202901322U
CN202901322U CN 201220602189 CN201220602189U CN202901322U CN 202901322 U CN202901322 U CN 202901322U CN 201220602189 CN201220602189 CN 201220602189 CN 201220602189 U CN201220602189 U CN 201220602189U CN 202901322 U CN202901322 U CN 202901322U
Authority
CN
China
Prior art keywords
valve
rod
base
lining layer
lining plastic
Prior art date
Application number
CN 201220602189
Other languages
Chinese (zh)
Inventor
吕永和
林忠孩
Original Assignee
宣达实业集团浙江东信特氟隆阀门有限公司
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 宣达实业集团浙江东信特氟隆阀门有限公司 filed Critical 宣达实业集团浙江东信特氟隆阀门有限公司
Priority to CN 201220602189 priority Critical patent/CN202901322U/en
Application granted granted Critical
Publication of CN202901322U publication Critical patent/CN202901322U/en

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Abstract

The utility model relates to a lining plastic butterfly valve. By the lining plastic butterfly valve, the problems of poor sealing performance and short service life of the conventional lining plastic butterfly valve are solved. The lining plastic butterfly valve is characterized in that a fixing shaft sleeve (8) and a movable self-lubricating shaft sleeve (9) are arranged between an upper valve rod (5) and an upper valve body (1); valve body lining plastic layers (10) are arranged on inner walls of the upper valve body (1) and a lower valve body (17); a blind hole into which a lower valve rod (6) penetrates is formed in the lower valve body (17); a valve plate lining plastic layer (11) wraps a valve plate (4); support rings (12) and 'O'-shaped rings (13) are arranged between the movable self-lubricating shaft sleeve (9) and the valve body lining plastic layers (10); and elastic pieces (14) are arranged between the fixing shaft sleeve (8) and the movable self-lubricating shaft sleeve (9). The lining plastic butterfly valve has the characteristics of simple and light structure, small friction force at sealing positions, small torque, reliable sealing and long service life.

Description

Lining is moulded butterfly valve

Technical field

The utility model relates to a kind of valve, is specifically related to a kind of lining and moulds butterfly valve.

Background technique

The structure that existing lining is moulded butterfly valve generally comprises upper valve body, lower valve body, valve plate, upper valve base, lower valve base, upper valve rod, lower valve rod and gland, upper valve base and lower valve base are separately positioned on upper valve body and the lower valve body, the plastic lining layer of the axial end of upper valve rod and lower valve rod not extension encases upper valve rod and lower valve rod, upper valve rod and lower valve rod and upper valve base and lower valve base shaft hole matching place are easy to leak, and have affected sealability and product working life.

The model utility content

Mould short problem of butterfly valve seal poor performance and working life in order to solve existing lining, the utility model provides a kind of lining to mould butterfly valve, this lining mould butterfly valve have simple in structure light and handy, sealing place friction is little, moment of torsion is little, the sealing reliable and the characteristics of long service life.

The technical solution of the utility model is: a kind of lining is moulded butterfly valve and is comprised upper valve body, lower valve body, upper valve base, lower valve base, valve plate, upper valve rod and lower valve rod, upper valve base and lower valve base are located at respectively on upper valve body and the lower valve body, upper valve rod and lower valve rod link to each other with valve plate respectively, upper valve rod links to each other with the main valve stem that passes upper valve body, be provided with fixed axle sleeve and movable self lubrication bearing between upper valve rod and the upper valve body, be separately installed with rubber seal and lower rubber seal on upper valve base and the lower valve base, upper valve body and lower valve interior wall are equipped with the valve body plastic lining layer, valve body plastic lining layer in the upper valve body extends to movable self lubrication bearing lower end inwall and coats upper rubber seal from upper valve body both sides end face, lower valve body is provided with the blind hole of inserting lower valve rod, valve body plastic lining layer in the lower valve body covers lower valve body both sides end face and lower valve interior wall fully and coats lower rubber seal, valve plate outer cladding valve plate plastic lining layer, described valve plate plastic lining layer covers the lower valve rod outer surface fully and extends to upper valve rod and the joint of main valve stem, the valve body plastic lining layer at upper valve base and lower valve base place and the valve plate plastic lining layer snug fit to locating; Be provided with support ring and "O"-ring between movable self lubrication bearing and the valve body plastic lining layer, be provided with elastic component between fixed axle sleeve and the movable self lubrication bearing.

The upper end of described fixed axle sleeve is spacing by circlip for hole.

Described elastic component is the dish spring.

Described support ring is 2, and "O"-ring is 3, and support ring and "O"-ring are spaced apart.

Be provided with back-up ring between described main valve stem and the upper valve body.

Described main valve stem, upper valve rod, valve plate and lower valve rod are the integral type structure.

The utlity model has following beneficial effect: owing to take such scheme, adopt lower valve rod entirely to serve as a contrast, having blocked medium fully contacts with valve plate, lower valve base arranges blind hole, medium can not leak into outside the lower valve body, upper rubber seal and lower rubber seal have automatic rebounding characteristic, blocked dielectric leakage fully, make "O"-ring compacted by elastic component promotion activity self lubrication bearing, realize automatically regulating, sealing is reliable, the sealing friction is little, moment of torsion is little, simple in structure light and handy, sealing is reliable, long service life.

Description of drawings

Accompanying drawing 1 is structure sectional view of the present utility model.

Accompanying drawing 2 is left views of Fig. 1.

1-upper valve body among the figure, 2-upper valve base, 3-lower valve base, 4-valve plate, the 5-upper valve rod, 6-lower valve rod, 7-main valve stem, the 8-fixed axle sleeve, the movable self lubrication bearing of 9-, 10-valve body plastic lining layer, 11-valve plate plastic lining layer, 12-support ring, 13-"O"-ring, the 14-elastic component, 15-circlip for hole, 16-back-up ring, valve body under the 17-, the upper rubber seal of 18-, rubber seal under the 19-.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing:

By Fig. 1 in conjunction with shown in Figure 2, a kind of lining is moulded butterfly valve and is comprised upper valve body 1, lower valve body 17, upper valve base 2, lower valve base 3, valve plate 4, upper valve rod 5 and lower valve rod 6, upper valve base 2 and lower valve base 3 are located at respectively on upper valve body 1 and the lower valve body 17, upper valve rod 5 and lower valve rod 6 link to each other with valve plate 4 respectively, upper valve rod 5 links to each other with the main valve stem 7 that passes upper valve body 1, be provided with fixed axle sleeve 8 and movable self lubrication bearing 9 between upper valve rod 5 and the upper valve body 1, be separately installed with rubber seal 18 and lower rubber seal 19 on upper valve base 2 and the lower valve base 3, upper valve body 1 and lower valve body 17 inwalls are equipped with valve body plastic lining layer 10, valve body plastic lining layer 10 in the upper valve body 1 extends to movable self lubrication bearing 9 lower end inwalls and coats upper rubber seal 18 from upper valve body 1 both sides end face, lower valve body 17 is provided with the blind hole of inserting lower valve rod 6, valve body plastic lining layer 10 in the lower valve body 17 covers lower valve body 17 both sides end faces and lower valve body 17 inwalls fully and coats lower rubber seal 19, valve plate 4 outer cladding valve plate plastic lining layers 11, described valve plate plastic lining layer 11 covers lower valve rod 6 outer surfaces fully and extends to the joint of upper valve rod 5 and main valve stem 7, the valve body plastic lining layer 10 at upper valve base 2 and lower valve base 3 places and valve plate plastic lining layer 11 snug fit to locating; Be provided with support ring 12 and "O"-ring 13 between movable self lubrication bearing 9 and the valve body plastic lining layer 10, be provided with elastic component 14 between fixed axle sleeve 8 and the movable self lubrication bearing 9.Owing to take such scheme, adopt lower valve rod 6 entirely to serve as a contrast, having blocked medium fully contacts with valve plate 4, lower valve base 3 arranges blind hole, and medium can not leak into outside the lower valve body 17, and upper rubber seal 18 and lower rubber seal 19 have automatic rebounding characteristic, blocked dielectric leakage fully, make "O"-ring 13 compacted by elastic component 14 promotion activity self lubrication bearings 9, realize automatically regulating, sealing is reliable, the sealing friction is little, moment of torsion is little, simple in structure light and handy, sealing is reliable, long service life.

The upper end of described fixed axle sleeve 8 is spacing by circlip for hole 15.Simple in structure, compact, easy for installation, it is little to take up room.

Described elastic component 14 is the dish spring.The large I of elasticity is chosen as required.

Described support ring 12 is 2, and "O"-ring 13 is 3, and support ring 12 and "O"-ring 13 are spaced apart.Support ring 12 plays a supportive role, and the multi-layer sealed medium of having blocked fully of "O"-ring 13 leaks outside, and guarantees that sealing is reliable between the valve plate plastic lining layer 11 outside valve body plastic lining layer 10 and the upper valve rod 5.

Be provided with back-up ring 16 between described main valve stem 7 and the valve body 1.Back-up ring 16 avoids dust, foreign material, rainwater etc. to enter main valve stem 7 and fixedly between the guide pin bushing 8.

Described main valve stem 7, upper valve rod 5, valve plate 4 and lower valve rod 6 are the integral type structure.Be convenient to processing, the coaxality of upper valve rod 5 and lower valve rod 6 guarantees easily.

Claims (6)

1. a lining is moulded butterfly valve, comprise upper valve body (1), lower valve body (17), upper valve base (2), lower valve base (3), valve plate (4), upper valve rod (5) and lower valve rod (6), upper valve base (2) and lower valve base (3) are located at respectively on upper valve body (1) and the lower valve body (17), upper valve rod (5) and lower valve rod (6) pass respectively upper valve base (2) and lower valve base (3) and link to each other with valve plate (4), upper valve rod (5) links to each other with the main valve stem that passes upper valve body (1) (7), it is characterized in that: be provided with fixed axle sleeve (8) and movable self lubrication bearing (9) between upper valve rod (5) and the upper valve body (1), be separately installed with rubber seal (18) and lower rubber seal on upper valve base (2) and the lower valve base (3) | (19), upper valve body (1) and lower valve body (17) inwall are equipped with valve body plastic lining layer (10), valve body plastic lining layer (10) in the upper valve body (1) extends to movable self lubrication bearing (9) lower end inwall and coats upper rubber seal (18) from upper valve body (1) both sides end face, lower valve body (17) is provided with the blind hole of inserting lower valve rod (6), valve body plastic lining layer (10) in the lower valve body (17) covers lower valve body (17) both sides end face and lower valve body (17) inwall fully and coats lower rubber seal (19), valve plate (4) outer cladding valve plate plastic lining layer (11), described valve plate plastic lining layer (11) covers lower valve rod (6) outer surface fully and extends to upper valve rod (5) and the joint of main valve stem (7), the valve body plastic lining layer (10) that upper valve base (2) and lower valve base (3) are located and valve plate plastic lining layer (11) snug fit to locating; Be provided with support ring (12) and "O"-ring (13) between movable self lubrication bearing (9) and the valve body plastic lining layer (10), be provided with elastic component (14) between fixed axle sleeve (8) and the movable self lubrication bearing (9).
2. lining according to claim 1 is moulded butterfly valve, it is characterized in that: the upper end of fixed axle sleeve (8) is spacing by circlip for hole (15).
3. lining according to claim 1 and 2 is moulded butterfly valve, it is characterized in that: elastic component (14) is the dish spring.
4. lining according to claim 1 and 2 is moulded butterfly valve, it is characterized in that: support ring (12) is 2, and "O"-ring (13) is 3, and support ring (12) and "O"-ring (13) are spaced apart.
5. lining according to claim 1 and 2 is moulded butterfly valve, it is characterized in that: be provided with back-up ring (16) between main valve stem (7) and the upper valve body (1).
6. lining according to claim 1 and 2 is moulded butterfly valve, it is characterized in that: main valve stem (7), upper valve rod (5), valve plate (4) and lower valve rod (6) are the integral type structure.
CN 201220602189 2012-11-14 2012-11-14 Lining plastic butterfly valve CN202901322U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220602189 CN202901322U (en) 2012-11-14 2012-11-14 Lining plastic butterfly valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220602189 CN202901322U (en) 2012-11-14 2012-11-14 Lining plastic butterfly valve

Publications (1)

Publication Number Publication Date
CN202901322U true CN202901322U (en) 2013-04-24

Family

ID=48121993

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220602189 CN202901322U (en) 2012-11-14 2012-11-14 Lining plastic butterfly valve

Country Status (1)

Country Link
CN (1) CN202901322U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103352987A (en) * 2013-08-02 2013-10-16 衡阳湘阳特电力工程修试有限公司 Welded lining butterfly valve
CN103438228A (en) * 2013-08-20 2013-12-11 山东莱德机械有限公司 Self-sealing center line-type butterfly valve
CN106415087A (en) * 2014-03-28 2017-02-15 株式会社开滋 Seal structure for butterfly valve
CN106979369A (en) * 2015-10-07 2017-07-25 费希尔控制产品国际有限公司 Valve body insertion apparatus and correlation technique
CN107208810A (en) * 2015-01-27 2017-09-26 株式会社开滋 Lining type butterfly valve

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103352987A (en) * 2013-08-02 2013-10-16 衡阳湘阳特电力工程修试有限公司 Welded lining butterfly valve
CN103438228A (en) * 2013-08-20 2013-12-11 山东莱德机械有限公司 Self-sealing center line-type butterfly valve
CN103438228B (en) * 2013-08-20 2015-09-09 山东莱德机械有限公司 Selfsealings centre-pivoted butterfly valve
US9995399B2 (en) 2013-08-20 2018-06-12 Shandong Lede Machinery Co., Ltd. Self-sealing butterfly valve
CN106415087A (en) * 2014-03-28 2017-02-15 株式会社开滋 Seal structure for butterfly valve
CN106415087B (en) * 2014-03-28 2018-11-13 株式会社开滋 The seal construction of butterfly valve
CN107208810A (en) * 2015-01-27 2017-09-26 株式会社开滋 Lining type butterfly valve
CN107208810B (en) * 2015-01-27 2019-06-25 株式会社开滋 Lining type butterfly valve
CN106979369A (en) * 2015-10-07 2017-07-25 费希尔控制产品国际有限公司 Valve body insertion apparatus and correlation technique

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20140122

Address after: Dong'ou Industrial Park, Yongjia County, Wenzhou City, Zhejiang province 325105

Patentee after: Xuanda Industrial Group Co., Ltd.

Address before: Oubei town of Yongjia County Wenzhou city Zhejiang province 325108 Dong'ou Industrial Zone Xuanda Industrial Park

Patentee before: Xuanda Group Zhejiang Doxi Teflon Valve Co., Ltd.

Effective date of registration: 20140122

Address after: Dong'ou Industrial Park, Yongjia County, Wenzhou City, Zhejiang province 325105

Patentee after: Xuanda Industrial Group Co., Ltd.

Address before: Oubei town of Yongjia County Wenzhou city Zhejiang province 325108 Dong'ou Industrial Zone Xuanda Industrial Park

Patentee before: Xuanda Group Zhejiang Doxi Teflon Valve Co., Ltd.

COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 325108 WENZHOU, ZHEJIANG PROVINCE TO: 325105 WENZHOU, ZHEJIANG PROVINCE

ASS Succession or assignment of patent right

Owner name: XUANDA INDUSTRIAL GROUP CO., LTD.

Free format text: FORMER OWNER: XUANDA INDUSTRIAL GROUP ZHEJIANG DONGXIN TEFLON VALVE CO., LTD.

Effective date: 20140122

C41 Transfer of patent application or patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130424

Termination date: 20191114

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