CN108730542A - A kind of novel evacuated gate valve - Google Patents
A kind of novel evacuated gate valve Download PDFInfo
- Publication number
- CN108730542A CN108730542A CN201810759604.2A CN201810759604A CN108730542A CN 108730542 A CN108730542 A CN 108730542A CN 201810759604 A CN201810759604 A CN 201810759604A CN 108730542 A CN108730542 A CN 108730542A
- Authority
- CN
- China
- Prior art keywords
- valve
- leading screw
- gate valve
- fixedly connected
- 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.)
- Pending
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Classifications
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0227—Packings
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Abstract
The invention discloses a kind of novel evacuated gate valves, its structure includes valve, valve rod, abrasive rubber and damping spring, the valve bottom is equipped with valve rod, leading screw is equipped in the valve rod, it is fixedly connected with valve bottom at the top of the leading screw, the leading screw is connect with valve body screw thread, the body top is equipped with bottom flange, the bottom flange is connect with bonnet, by fastening bolt, the bonnet, and bottom flange are connect with threads of lead screw, the valve body both sides are fixedly connected with flange, the leading screw bottom is fixedly connected with valve plate, sealing plate is equipped in the valve plate, the body base is fixedly connected with pedestal, it is Nian Jie with airtight and watertight padding on the inside of the valve body, guide groove is equipped in the valve body.The novel evacuated gate valve, leading screw and ball engagement reduce friction coefficient, shorten gate valve opening/closing time, and guide groove prevents gate valve friction impaired, and abrasive rubber and wear-resisting porcelain tendre reduce flow erosion effect, and damping spring prevents valve plate to be subjected to displacement, improves the leakproofness of gate valve.
Description
Technical field
The present invention relates to gate valve technical field, specially a kind of novel evacuated gate valve.
Background technology
Vacuum gate valve is improved by different gate valves, and better gas sealing ability is possessed, and the opening and closing element of vacuum gate valve is
Flashboard, the direction of motion and flow direction of flashboard are perpendicular, and gate valve can only make standard-sized sheet and fully closed, cannot make adjustments and throttle, very
When empty gate valve is closed, sealing surface can rely only on pressure medium to seal, i.e., press to the sealing surface of flashboard by pressure medium
The valve seat of the other side ensures the sealing of sealing surface, and here it is self sealss, most of gate valve is using forced seal, i.e. valve
When closing, flashboard is pressed into valve seat by force by external force.
Existing novel evacuated gate valve rod easily rubs with valve body, in turn results in damage, and valve rod and valve body friction
Coefficient is larger, causes opening/closing time longer, and valve body, for a long time by flow erosion, easily causes with valve plate and gets rusty or wear, shortening makes
With the service life, and valve plate is easily deformed upon because of vibrations or displacement, to influence the leakproofness of gate valve.
Invention content
The purpose of the present invention is to provide a kind of novel evacuated gate valves, solve the problems, such as proposed in background technology.
To achieve the above object, the present invention provides the following technical solutions:A kind of novel evacuated gate valve, structure include valve
Door, valve rod, abrasive rubber and damping spring, the valve bottom are equipped with valve rod, leading screw, the leading screw top are equipped in the valve rod
Portion is fixedly connected with valve bottom, and the leading screw is connect with valve body screw thread, and the body top is equipped with bottom flange, the bottom flange
It is connect by fastening bolt with bonnet, the bonnet, and bottom flange are connect with threads of lead screw, the valve body both sides and method
Orchid is fixedly connected, and the leading screw bottom is fixedly connected with valve plate, and sealing plate, the body base and pedestal are equipped in the valve plate
It is fixedly connected, it is Nian Jie with airtight and watertight padding on the inside of the valve body, guide groove is equipped in the valve body.
As a kind of preferred embodiment of the present invention, the leading screw is equipped with ball, is equipped on the outside of the ball reversed
Device, the reverser are rabbeted with feed screw nut, and the reverser bottom is Nian Jie with gasket seal.
As a kind of preferred embodiment of the present invention, the feed screw nut is connect with threads of lead screw, the guide groove side
It is close to feed screw nut both sides, the guide groove other side is Nian Jie with airtight and watertight padding.
As a kind of preferred embodiment of the present invention, the airtight and watertight padding bottom and the outer side bonds of abrasive rubber are described
Valve plate outside and the outer side bonds of wear-resisting porcelain tendre.
As a kind of preferred embodiment of the present invention, it is connect with damping spring side screw on the outside of the sealing plate, institute
It states the damping spring other side to connect with screw on the inside of wear-resisting porcelain tendre, the base top and side bonds in cushion.
Compared with prior art, beneficial effects of the present invention are as follows:
1. sliding friction is become rolling friction by the novel evacuated gate valve by leading screw and ball engagement, to reduce friction system
Number shortens gate valve opening/closing time, and guide groove prevents valve rod from mutually rubbing with valve body, and then prevents gate valve from being damaged because of friction.
2. the novel evacuated gate valve, abrasive rubber and wear-resisting porcelain tendre have stronger hardness and wear resistance, water can be reduced
The erosion to valve body and valve plate is flowed, avoids gate valve inner body from getting rusty or wear, extends the service life of gate valve.
3. the novel evacuated gate valve, when shaking, damping spring and cushion deformation absorb impact energy, to protect
Valve plate avoids valve plate from being subjected to displacement, and improves the leakproofness of gate valve.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is a kind of overall structure diagram of novel evacuated gate valve of the present invention;
Fig. 2 is a kind of stem structure figure of novel evacuated gate valve of the present invention;
Fig. 3 is a kind of valve board structure figure of novel evacuated gate valve of the present invention.
In figure:It is valve -1, valve rod -2, valve body -3, pedestal -4, flange -5, valve plate -6, bonnet, -7, bottom flange -8, tight
Fixing bolt -9, airtight and watertight padding -10, abrasive rubber -11, guide groove -12, leading screw -13, ball -14, reverser -15, feed screw nut -
16, gasket seal -17, sealing plate -18, damping spring -19, wear-resisting porcelain tendre -20, cushion -21.
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to
Specific implementation mode, the present invention is further explained.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution:A kind of novel evacuated gate valve, structure include valve 1,
Valve rod 2, abrasive rubber 11 and damping spring 19,1 bottom of the valve are equipped with valve rod 2, leading screw 13, institute are equipped in the valve rod 2
It states 13 top of leading screw to be fixedly connected with 1 bottom of valve, the leading screw 13 is threadedly coupled with valve body 3, and 3 top of the valve body is equipped with down
Valve deck 8, the bottom flange 8 are connect with bonnet, 7 by fastening bolt 9, the bonnet, 7 and bottom flange 8 with 13 spiral shell of leading screw
Line connects, and 3 both sides of the valve body are fixedly connected with flange 5, and 13 bottom of the leading screw is fixedly connected with valve plate 6, in the valve plate 6
Equipped with sealing plate 18,3 bottom of the valve body is fixedly connected with pedestal 4, and 3 inside of the valve body is Nian Jie with airtight and watertight padding 10, described
Guide groove 12 is equipped in valve body 3.
Referring to Fig. 2, the leading screw 13 is equipped with ball 14,14 outside of the ball is equipped with reverser 15, described reversed
Device 15 is rabbeted with feed screw nut 16, and 15 bottom of the reverser is Nian Jie with gasket seal 17, and sliding friction is become rolling friction,
To reduce friction coefficient, shorten gate valve opening/closing time.
It please refers to Fig.1 and Fig. 2, the feed screw nut 16 is threadedly coupled with leading screw 13,12 side of the guide groove and leading screw spiral shell
Female 16 both sides are close to, and 12 other side of the guide groove is Nian Jie with airtight and watertight padding 10, prevents valve rod 2 and 3 phase friction of valve body, and then prevent
Gate valve is damaged because of friction.
Please refer to Fig.1 and Fig. 3,10 bottom of the airtight and watertight padding and 11 outer side bonds of abrasive rubber, 6 outside of the valve plate and
20 outer side bonds of wear-resisting porcelain tendre reduce erosion of the flow to valve body 3 and valve plate 6, avoid gate valve inner body from getting rusty or wear, prolong
The service life of long gate valve.
Referring to Fig. 3,18 outside of the sealing plate is connect with 19 side screw of damping spring, the damping spring 19 is another
Side is connect with 20 inside screw of wear-resisting porcelain tendre, and 4 top of the pedestal and side bonds in cushion 21 absorb impact energy, to
Valve plate 6 is protected, avoids valve plate 6 from being subjected to displacement, improves the leakproofness of gate valve.
Vacuum gate valve is fixed in pipeline by a kind of novel evacuated gate valve of the present invention, when use by flange 5, is revolved
Rotary motion is become moving along a straight line by rotary valve door 1, leading screw 13 and feed screw nut 16, and valve rod 2 drives valve plate 6 to push, and then is closed
Gate valve prevents flow, and sliding friction is become rolling friction by leading screw 13 and the cooperation of ball 14, to reduce friction coefficient, contracting
Short gate valve opening/closing time, and guide groove 12 prevents valve rod 2 and 3 phase friction of valve body, and then prevent gate valve from being damaged because of friction, work as flow
When passing through gate valve, abrasive rubber 11 and wear-resisting porcelain tendre 20 have stronger hardness and wear resistance, can reduce flow to valve body 3 with
The erosion of valve plate 6 avoids gate valve inner body from getting rusty or wear, when extending the service life of gate valve, and shaking, damping bullet
Spring 19 and 21 deformation of cushion absorb impact energy, avoid valve plate 6 from being subjected to displacement, improve the leakproofness of gate valve.
The valve 1 of the present invention, valve rod 2, valve body 3, pedestal 4, flange 5, valve plate 6, bonnet, 7, bottom flange 8, fastening bolt
9, airtight and watertight padding 10, abrasive rubber 11, guide groove 12, leading screw 13, ball 14, reverser 15, feed screw nut 16, gasket seal 17,
Sealing plate 18, damping spring 19, wear-resisting porcelain tendre 20, cushion 21, component are that universal standard part or those skilled in the art know
The component of dawn, structure and principle, which are all this technology personnel, can be learnt by technical manual or be obtained by routine experiment method
Know, problems solved by the invention is that existing novel evacuated gate valve rod easily rubs with valve body, in turn results in damage, and valve
Bar and valve body friction coefficient are larger, cause opening/closing time longer, valve body and valve plate for a long time by flow erosion, easily cause get rusty or
The problems such as abrasion, shortens the working life, and valve plate is easily deformed upon because of vibrations or displacement, leakproofness to influence gate valve,
The present invention is combined with each other by above-mentioned component, sliding friction is become rolling friction by leading screw and ball engagement, to subtract
Few friction coefficient, shortens gate valve opening/closing time, and guide groove prevents valve rod from mutually rubbing with valve body, and then prevent gate valve from being damaged because of friction
Bad, abrasive rubber and wear-resisting porcelain tendre have stronger hardness and wear resistance, can reduce erosion of the flow to valve body and valve plate, keep away
Exempt from gate valve inner body to get rusty or wear, extend the service life of gate valve, when shaking, damping spring and cushion deformation are inhaled
Receive impact energy avoids valve plate from being subjected to displacement to protect valve plate, improves the leakproofness of gate valve.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that come within the meaning and range of equivalency of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (5)
1. a kind of novel evacuated gate valve, structure include valve(1), valve rod(2), abrasive rubber(11)And damping spring(19),
It is characterized in that:The valve(1)Bottom is equipped with valve rod(2), the valve rod(2)It is interior to be equipped with leading screw(13), the leading screw(13)
Top and valve(1)Bottom is fixedly connected, the leading screw(13)With valve body(3)It is threadedly coupled, the valve body(3)Top is equipped with down
Valve deck(8), the bottom flange(8)With bonnet,(7)Pass through fastening bolt(9)Connection, the bonnet,(7)And bottom flange(8)
And leading screw(13)It is threadedly coupled, the valve body(3)Both sides and flange(5)It is fixedly connected, the leading screw(13)Bottom and valve plate
(6)It is fixedly connected, the valve plate(6)It is interior to be equipped with sealing plate(18), the valve body(3)Bottom and pedestal(4)It is fixedly connected, it is described
Valve body(3)Inside and airtight and watertight padding(10)Bonding, the valve body(3)It is interior to be equipped with guide groove(12).
2. a kind of novel evacuated gate valve according to claim 1, it is characterised in that:The leading screw(13)It is equipped with ball
(14), the ball(14)Outside is equipped with reverser(15), the reverser(15)With feed screw nut(16)Interlocking, it is described reversed
Device(15)Bottom and gasket seal(17)Bonding.
3. a kind of novel evacuated gate valve according to claim 2, it is characterised in that:The feed screw nut(16)With leading screw
(13)It is threadedly coupled, the guide groove(12)Side and feed screw nut(16)Both sides are close to, the guide groove(12)The other side and sealing
Filler(10)Bonding.
4. a kind of novel evacuated gate valve according to claim 1, it is characterised in that:The airtight and watertight padding(10)Bottom with it is resistance to
Rubber milling(11)Outer side bonds, the valve plate(6)Outside and wear-resisting porcelain tendre(20)Outer side bonds.
5. a kind of novel evacuated gate valve according to claim 1, it is characterised in that:The sealing plate(18)Outside and damping
Spring(19)Side screw connection, the damping spring(19)The other side and wear-resisting porcelain tendre(20)Inside screw connection, the bottom
Seat(4)Top and cushion(21)Interior side bonds.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810759604.2A CN108730542A (en) | 2018-07-11 | 2018-07-11 | A kind of novel evacuated gate valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810759604.2A CN108730542A (en) | 2018-07-11 | 2018-07-11 | A kind of novel evacuated gate valve |
Publications (1)
Publication Number | Publication Date |
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CN108730542A true CN108730542A (en) | 2018-11-02 |
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ID=63926078
Family Applications (1)
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CN201810759604.2A Pending CN108730542A (en) | 2018-07-11 | 2018-07-11 | A kind of novel evacuated gate valve |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111911687A (en) * | 2020-08-03 | 2020-11-10 | 江苏圣泰阀门有限公司 | Welding type single plate valve |
WO2023116158A1 (en) * | 2021-12-20 | 2023-06-29 | 拓荆科技股份有限公司 | Gate valve for semiconductor apparatus, and maintenance method therefor |
-
2018
- 2018-07-11 CN CN201810759604.2A patent/CN108730542A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111911687A (en) * | 2020-08-03 | 2020-11-10 | 江苏圣泰阀门有限公司 | Welding type single plate valve |
WO2023116158A1 (en) * | 2021-12-20 | 2023-06-29 | 拓荆科技股份有限公司 | Gate valve for semiconductor apparatus, and maintenance method therefor |
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PB01 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181102 |