CN105465383A - Eccentric butterfly valve structure with self-compensating function - Google Patents
Eccentric butterfly valve structure with self-compensating function Download PDFInfo
- Publication number
- CN105465383A CN105465383A CN201610013630.1A CN201610013630A CN105465383A CN 105465383 A CN105465383 A CN 105465383A CN 201610013630 A CN201610013630 A CN 201610013630A CN 105465383 A CN105465383 A CN 105465383A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve seat
- valve body
- shaft
- seat
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/224—Details of bearings for the axis of rotation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2268—Sealing means for the axis of rotation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
- F16K27/0218—Butterfly valves
Abstract
The invention relates to an eccentric butterfly valve structure with the self-compensating function. The eccentric butterfly valve structure comprises a valve body, a through hole is formed in the valve body, a step is arranged on the inner wall of the through hole, a valve seat extends into the through hole of the valve body and is connected to the step in an abutting mode, and a valve plate is arranged in the valve seat. An upper shaft bush is connected to the interior of the valve body and the periphery of an upper valve shaft in a sleeve mode, and a first minor-diameter shaft section is formed at the abutting connection part between the upper shaft bush and the valve plate; a lower valve shaft is a stepped shaft formed by connecting a second minor-diameter shaft section, a medium-diameter shaft section and a major-diameter shaft section, and compensation gaps for compression skewing of the valve seat are formed between the inner wall of the valve seat and the first minor-diameter shaft section and between the inner wall of the valve seat and the medium-diameter shaft section. According to the invention, the structure is simple, the valve seat is connected to the valve body in an abutting mode constantly under the effect of the step when the valve body is pressed from right to left, and the valve plate is pressed to abut against the valve seat and forms close fit with the valve seat for forming sealing; by designing the compensation gaps, when the valve body is pressed from right to left, the valve seat is skewed under the effect of the compensation gaps and keeps close fit with the valve plate constantly for forming sealing.
Description
Technical field
The present invention relates to valve body apparatus field, particularly relate to a kind of eccentric-butterfly-valve structure with self-compensating function.
Background technique
Butterfly valve is Flap valve again, it is the simple modulating valve of a kind of structure, the butterfly valve that can be used for the switch control rule of low pressure pipeline medium refers to that closure member (flap or butterfly plate) is disk, rotate a kind of valve reaching open and close around valve shaft, valve can be used for the flowing controlling all kinds fluids such as air, water, steam, various Korrosionsmedium, mud, oil product, liquid metal and radiating medium.Fix at existing butterfly valve structure seating position at present, easily there is by during bidirection press the situation that valve plate blow-by causes valve body to leak in valve body, thus reduces the working efficiency of valve body.
Summary of the invention
The applicant is for above-mentioned existing issue, be studied improvement, provide a kind of eccentric-butterfly-valve structure with self-compensating function, in the present invention, valve seat has gap left and right displacement, meet valve body thus to closely cooperate with valve seat all the time by valve plate during bidirection press, guarantee two way sealed.
The technical solution adopted in the present invention is as follows:
With an eccentric-butterfly-valve structure for self-compensating function, comprise valve body, on described valve body, have through hole, the inwall along described through hole offers step, abuts in the through hole that valve seat stretches into valve body with step; Arrange valve plate in described valve seat, valve plate connects valve shaft and lower valve shaft respectively, forms the compensate for clearance being used for valve seat pressurized and offseting between the inwall of lower valve shaft, upper muff and valve seat.
Its further technological scheme is:
In described valve body, on described, the periphery cover of valve shaft connects muff, and described upper muff abuts place's formation first path shaft part with valve plate; Described lower valve shaft is connected to form multidiameter shaft by the second path shaft part, central diameter shaft part, large footpath shaft part.
Beneficial effect of the present invention is as follows:
Structure of the present invention is simple, easy to use, effectively achieve being connected of valve seat and valve body by arranging step in the inside of valve body, valve body is when by pressure from right to left, and valve seat abuts with valve body all the time under the effect of step, valve plate is compressed to valve seat simultaneously, closely cooperates with valve seat.The mounting type that valve seat abuts with valve body step avoids to be needed, by a large amount of bolt fixed valve base and valve body, to not only reduce the labor intensity of workman, also improve efficiency of assembling, shorten installation time in the past.By design compensation gap, when valve body is subject to pressure from left to right, valve seat offsets and keeps closely cooperating in valve plate all the time and forms sealing under the effect of compensate for clearance, utilizes compensate for clearance to achieve two way sealed of the present invention.The layout of disc spring, in order to realize the sealing of valve shaft outer ring, applies pressure to filler when stressed, and utilize packing press ring can provide carrying stress surface for disc spring is stressed, the layout of seal ring substantially increases sealing.
Accompanying drawing explanation
Fig. 1 is plan view of the present invention.
Fig. 2 is side view of the present invention.
Wherein: 1, gland; 2, disc spring; 3, packing press ring; 4, filler; 5, upper muff; 501, the first path shaft part; 6, valve body; 601, step; 7, valve seat; 8, PTFE; 9, valve plate; 10, lower muff; 11, lower valve shaft; 1101, the second path shaft part; 1102, central diameter shaft part; 1103, large footpath shaft part; 12, upper valve shaft; 13, seal ring; 14, compensate for clearance.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
As shown in Figure 1 and Figure 2, a kind of eccentric-butterfly-valve structure with self-compensating function of the present invention comprises valve body 6, through hole is had on valve body 6, inwall along through hole offers step 601, abut with step 601 in the through hole that valve seat 7 stretches into valve body 6, valve plate 9 is set in valve seat 7, one end of upper valve shaft 12 is stretched into valve body 6 and is socketed with one end of valve plate 9, one end of lower valve shaft 11 is also stretched in valve body 6 and the other end in valve plate 9 is socketed, and valve plate more than 9 valve shaft 12 or lower valve shaft 11 are rotated in valve body 6 for turning point; In valve body 6, in the periphery of upper valve shaft 12, cover connects muff 5, and upper muff 5 abuts place's formation first path shaft part 501 with valve plate 9.Lower valve shaft 11 is connected to form multidiameter shaft by the second path shaft part 1101, central diameter shaft part 1102, large footpath shaft part 1103, forms the compensate for clearance 14 offset for valve seat 7 pressurized between the inwall of valve seat 7 and the first path shaft part 501 and central diameter shaft part 1102.Also offer groove in the inner ring place of valve seat 7, in groove, interlocking is used for the PTFE8 (PTFE is teflon) sealed with valve plate 9.Gland 1 is also coordinated in one end of valve body 6, in the periphery of upper valve shaft 12.Between the inwall and the periphery of upper valve shaft 12 of upper muff 5, also order arranges one group of disc spring 2, packing press ring 3, filler 4 and seal ring 13.In valve body 6, along the outer ring of upper muff 5, seal ring 13 is also set.In valve body 6, the periphery along lower valve shaft 11 footpath shaft part 1103 greatly also arranges multiple seal ring 13.In the periphery of lower valve shaft 11, lower muff 10 is also set.Above-mentioned packing press ring 3 provides carrying stress surface for the disc spring 2 to stress deformation.The layout of disc spring, in order to realize the sealing of valve shaft outer ring, applies pressure to filler when stressed.
More than describing is explanation of the invention, and be not the restriction to invention, limited range of the present invention is see claim, and when without prejudice to basic structure of the present invention, the present invention can do any type of amendment.
Claims (2)
1. the eccentric-butterfly-valve structure with self-compensating function, it is characterized in that: comprise valve body (6), through hole is had on described valve body (6), inwall along described through hole offers step (601), abuts in the through hole that valve seat (7) stretches into valve body (6) with step (601); Valve plate (9) is set in described valve seat (7), valve plate (9) connects valve shaft (12) and lower valve shaft (11) respectively, forms the compensate for clearance (14) being used for valve seat (7) pressurized and offseting between the inwall of lower valve shaft (11), upper muff (5) and valve seat (7).
2. a kind of eccentric-butterfly-valve structure with self-compensating function as claimed in claim 1, it is characterized in that: in described valve body (6), on described, the periphery cover of valve shaft (12) connects muff (5), and described upper muff (5) abuts place's formation first path shaft part (501) with valve plate (9); Described lower valve shaft (11) is connected to form multidiameter shaft by the second path shaft part (1101), central diameter shaft part (1102), large footpath shaft part (1103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610013630.1A CN105465383A (en) | 2016-01-08 | 2016-01-08 | Eccentric butterfly valve structure with self-compensating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610013630.1A CN105465383A (en) | 2016-01-08 | 2016-01-08 | Eccentric butterfly valve structure with self-compensating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105465383A true CN105465383A (en) | 2016-04-06 |
Family
ID=55603396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610013630.1A Pending CN105465383A (en) | 2016-01-08 | 2016-01-08 | Eccentric butterfly valve structure with self-compensating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105465383A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547956A (en) * | 2018-05-28 | 2018-09-18 | 开封瑞科阀门有限公司 | A kind of self sealss movement butterfly plate low temperature butterfly valve |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2452034A1 (en) * | 1974-11-02 | 1976-05-06 | Fritz Voltz Sohn | Self adjusting circular valve plate - has slotted pivot pin locations for axial seal wear compensation |
| CN2384052Y (en) * | 1999-06-10 | 2000-06-21 | 石家庄阀门一厂股份有限公司 | Clamped bidirectional sealed butterfly valve |
| CN101545540A (en) * | 2008-03-26 | 2009-09-30 | 上海埃维玛阀门有限公司 | Double eccentric butterfly valve |
| CN201461998U (en) * | 2009-06-03 | 2010-05-12 | 郑州市荥阳通用阀门厂 | Triple eccentric butterfly valve |
| CN201909043U (en) * | 2010-12-03 | 2011-07-27 | 浙江正华阀门厂 | High-temperature and high-pressure butterfly valve of bidirectional-flow and self-seal elastic valve seat |
| CN103603960A (en) * | 2013-12-04 | 2014-02-26 | 天津富赛克流体控制设备有限公司 | High-temperature and high-pressure resistant three-eccentric center butterfly valve |
| CN103629373A (en) * | 2013-12-04 | 2014-03-12 | 天津富赛克流体控制设备有限公司 | High-class soft-sealing safety butterfly valve |
| CN205331451U (en) * | 2016-01-08 | 2016-06-22 | 无锡科磊阀业有限公司 | Eccentric butterfly valve structure with from compensation function |
-
2016
- 2016-01-08 CN CN201610013630.1A patent/CN105465383A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2452034A1 (en) * | 1974-11-02 | 1976-05-06 | Fritz Voltz Sohn | Self adjusting circular valve plate - has slotted pivot pin locations for axial seal wear compensation |
| CN2384052Y (en) * | 1999-06-10 | 2000-06-21 | 石家庄阀门一厂股份有限公司 | Clamped bidirectional sealed butterfly valve |
| CN101545540A (en) * | 2008-03-26 | 2009-09-30 | 上海埃维玛阀门有限公司 | Double eccentric butterfly valve |
| CN201461998U (en) * | 2009-06-03 | 2010-05-12 | 郑州市荥阳通用阀门厂 | Triple eccentric butterfly valve |
| CN201909043U (en) * | 2010-12-03 | 2011-07-27 | 浙江正华阀门厂 | High-temperature and high-pressure butterfly valve of bidirectional-flow and self-seal elastic valve seat |
| CN103603960A (en) * | 2013-12-04 | 2014-02-26 | 天津富赛克流体控制设备有限公司 | High-temperature and high-pressure resistant three-eccentric center butterfly valve |
| CN103629373A (en) * | 2013-12-04 | 2014-03-12 | 天津富赛克流体控制设备有限公司 | High-class soft-sealing safety butterfly valve |
| CN205331451U (en) * | 2016-01-08 | 2016-06-22 | 无锡科磊阀业有限公司 | Eccentric butterfly valve structure with from compensation function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547956A (en) * | 2018-05-28 | 2018-09-18 | 开封瑞科阀门有限公司 | A kind of self sealss movement butterfly plate low temperature butterfly valve |
| CN108547956B (en) * | 2018-05-28 | 2023-11-21 | 开封瑞科阀门有限公司 | Self-sealing movable butterfly plate low-temperature butterfly valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160406 |
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| WD01 | Invention patent application deemed withdrawn after publication |