CN108006258A - A kind of self-locking ball valve device - Google Patents
A kind of self-locking ball valve device Download PDFInfo
- Publication number
- CN108006258A CN108006258A CN201711445652.6A CN201711445652A CN108006258A CN 108006258 A CN108006258 A CN 108006258A CN 201711445652 A CN201711445652 A CN 201711445652A CN 108006258 A CN108006258 A CN 108006258A
- Authority
- CN
- China
- Prior art keywords
- self
- locking
- latch segment
- ball valve
- limiting slot
- 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
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/061—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor knee-joint
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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
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/02—Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0647—Spindles or actuating means
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses a kind of self-locking ball valve device, including valve body, spool, and the valve rod being connected with spool, further include:Switch handle, offers the first limiting slot and the second limiting slot in its vertical section;Locking plate, vertically can partly slide up and down under external force, its end has catch arm;Shrapnel, elastically-deformable lug boss can be occurred by having;First latch segment.Wherein, station is locked first, lug boss is arranged in the first limiting slot, and correspondingly catch arm is located on the outside of the first latch segment, so that the first latch segment prevents switch handle from rotating using the axle center of valve rod as axis;When external force pushes up locking plate, elastic deformation occurs for lug boss to deviate from from the first limiting slot, locking plate is along vertical section upward sliding, until lug boss is fallen into the second limiting slot, unlock herein under station, catch arm is left on the outside of the first latch segment, so that switch handle can be freely rotated using the axle center of valve rod as axis.
Description
Technical field
The present invention relates to a kind of ball-cock device, more particularly to a kind of ball-cock device for long-pipe air respirator.
Background technology
Air respiratorresuscitator is equipped as a kind of respiratory protection, be widely used to heavy industry, sewage disposal, oil, chemical industry,
The fields such as ship, the severe works such as fire, hazardous materials spillage, smog, anoxic are handled for fireman and relevant staff
Industry scene, so as to carry out fire source detecting, fire extinguishing, the disaster relief, speedily carry out rescue work and the work such as rescue.
Long-pipe air respirator is a kind of special applications of air respiratorresuscitator, its operation principle is:Using compressed air as confession
Source of the gas, when opening bottle valve, the pressure-air being stored in gas cylinder enters reducer assemblage, pressure-air quilt by bottle valve
Depressurize and conveyed for middle pressure, middle pressure air through more than 20 meters long tubes, long pipe end passes through the supply on quick connector and mask
Valve is connected, and steam supply valve is required according to the breathing of user, there is provided the air in compressed gas cylinder.When special circumstances occur,
User can be limited by disconnecting quick connector to depart from the distance of long tube, and remote job is carried out using the contingency gas sources provided for oneself.
After certain time, user can be returned in the range of long tube, by the connection of quick connector, be continuing with long tube supply and made
Industry.
In this case, for existing quick connector due to being influenced be subject to pressure pressure in inside, Plug Action is extremely laborious,
And there is also some potential safety problems for plug quick connector with pressure.If however, to empty medium pressure gas in long tube again into
Row plug operation, first is the waste that can cause a large amount of sources of the gas, and second is that exhaust will wait the very long time, for striving point
Take by force for the danger region rescue work of second, it is totally unfavorable.Based on this, it is expected before long pipe end, quick connector, increase by one
A ball valve controls the break-make of gas.Further, since the working environment of long tube is extremely complex, it is therefore desirable for obtaining a kind of new ball
Valve gear, which either still can reach self-locking requirement in unlatching station state in closing station state, so as to avoid
Source of the gas is caused to interrupt suddenly or a large amount of wastes of source of the gas.
The content of the invention
It is an object of the invention to provide a kind of self-locking ball valve device, which can be installed in long tube aerial respiration
The end of the long tube of device, before quick connector, the self-locking ball valve device can opening or off state carry out from
Lock, and can be used under non-self-lock-ing state as ordinary ball valve, so as to can realize that the with pressure of long-pipe air respirator is inserted
Quick connector is pulled out, and is avoided that and causes source of the gas to interrupt suddenly or a large amount of wastes of source of the gas.
In order to achieve the above object, the present invention provides a kind of self-locking ball valve device, it includes valve body, spool, and
The valve rod being connected with spool;The self-locking ball valve device further includes:
Switch handle, it is fixedly connected with the valve rod, and the switch handle has a vertically extending vertical section, institute
State and the first limiting slot and the second limiting slot are offered in vertical section;
Locking plate, it is sheathed on outside the vertical section, and can be slided up and down under external force along vertical section,
The end of the locking plate has catch arm;
Shrapnel, it is fixed on the locking plate, the shrapnel have elastically-deformable lug boss can occur;
First latch segment, it is fixed on valve outer wall;
Wherein, station is locked first, the lug boss is arranged in the first limiting slot, and correspondingly the catch arm is located at
On the outside of first latch segment, so that the first latch segment prevents switch handle from rotating using the axle center of valve rod as axis;When external force to
During upper promotion locking plate, elastic deformation occurs for lug boss to deviate from from the first limiting slot, locking plate along vertical section upward sliding,
Until lug boss is fallen into the second limiting slot, unlock herein under station, the catch arm is left on the outside of the first latch segment, so that institute
Stating switch handle can be freely rotated using the axle center of valve rod as axis.
In technical solutions according to the invention, station is locked first, lug boss is arranged in the first limiting slot, accordingly
Ground catch arm is located on the outside of the first latch segment so that the first latch segment prevents switch handle from occurring to turn using the axle center of valve rod as axis
It is dynamic, so as to ensure that self-locking ball valve device of the present invention can carry out self-locking in the first locking station.When external force is upward
When promoting locking plate, elastic deformation occurs for lug boss to deviate from from the first limiting slot, and locking plate is along vertical section upward sliding, directly
Falling into the second limiting slot to lug boss, (unlocked under this kind of state under station), catch arm is left on the outside of the first latch segment,
Switch handle is freely rotated using the axle center of valve rod as axis, so as to ensure that self-locking ball valve dress of the present invention
Putting can be used under non-self-lock-ing state as ordinary ball valve.
Further, self-locking ball valve device of the present invention, further includes:Second locking of corresponding second locking station
Block, second latch segment are fixed on valve outer wall, and have an angle with the first latch segment;Wherein, in the second lock
Tight station, the lug boss are arranged in the first limiting slot, and correspondingly the catch arm is located on the outside of the second latch segment, so that the
Two latch segments prevent switch handle from rotating using the axle center of valve rod as axis;When external force pushes up locking plate, lug boss hair
Raw elastic deformation from the first limiting slot to deviate from, and locking plate is along vertical section upward sliding, until lug boss falls into the second limit
In the groove of position, unlock herein under station, the catch arm is left on the outside of the second latch segment, so that the switch handle can be with valve rod
Axle center be freely rotated for axis.
In technical solutions according to the invention, since ball valve is usually switched on and off two states, in order to ensure this
The invention self-locking ball valve device not only can carry out self-locking in off state (or opening), can also be in opening state
State (or off state) carries out self-locking, and this case is also provided with the second latch segment on valve outer wall, and has with the first latch segment
There is an angle.Station is locked second, lug boss is arranged in the first limiting slot, and correspondingly catch arm is located at outside the second latch segment
Side so that the second latch segment prevents switch handle from rotating using the axle center of valve rod as axis, so as to ensure that of the present invention
Self-locking ball valve device can second locking station carry out self-locking.When external force pushes up locking plate, bullet occurs for lug boss
Property deformation to deviate from from the first limiting slot, locking plate is along vertical section upward sliding, until lug boss falls into the second limiting slot
In, (unlocked under this kind of state under station), catch arm is left on the outside of the second latch segment so that switch handle can be with valve rod
Axle center be freely rotated for axis, so as to ensure that self-locking ball valve device of the present invention can be made under non-self-lock-ing state
Used for ordinary ball valve.
Further, in self-locking ball valve device of the present invention, when self-locking ball valve device is positioned at described the
During one locking station, self-locking ball valve device is locked in off state.
Further, in self-locking ball valve device of the present invention, when self-locking ball valve device is located at described second
When locking station, self-locking ball valve device is locked in opening.
It should be noted that in self-locking ball valve device of the present invention, in some embodiments, work as self-locking
When ball-cock device is positioned at the first locking station, self-locking ball valve device can be locked in opening, correspondingly, work as self-locking
When ball-cock device is positioned at the second locking station, self-locking ball valve device is locked in off state.
Further, in self-locking ball valve device of the present invention, second latch segment and the first latch segment it
Between angle be 90 °.
Self-locking ball valve device of the present invention can carry out self-locking in opening or off state, and non-
It can also be used under self-locking state as ordinary ball valve, not only can be with so that when ensure that the device is used for long-pipe air respirator
Realize the plug quick connector with pressure of long-pipe air respirator, moreover it is possible to avoid causing source of the gas from interrupting suddenly or a large amount of waves of source of the gas
Take.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of the self-locking ball valve device of the present invention under embodiment.
Fig. 2 is a kind of three-dimensional cutaway view of the self-locking ball valve device of the present invention under embodiment.
Fig. 3 is a kind of profile of the self-locking ball valve device of the present invention under embodiment.
Embodiment
Below will according to a particular embodiment of the invention and Figure of description is to self-locking ball valve device of the present invention
It is further described, but the explanation does not form inappropriate limitation of the present invention.
Fig. 1 is a kind of structure diagram of the self-locking ball valve device of the present invention under embodiment.Fig. 2 is this hair
A kind of three-dimensional cutaway view of the bright self-locking ball valve device under embodiment.Fig. 3 is self-locking ball of the present invention
A kind of profile of the valve gear under embodiment.
As shown in Figure 1, Figure 2 and Figure 3, self-locking ball valve device of the present invention includes valve body 1, spool 2, and and valve
The valve rod 3 that core 2 connects.In addition, in the present embodiment, self-locking ball valve device of the present invention further includes:Fixed with valve rod 3
The switch handle 4 of connection, locking plate 8, shrapnel 10 and it is fixed on the outer wall of valve body 1 and is mutually the first locking of 90 degree of angles
12 and second latch segment 13 of block.Wherein, switch handle 4 has a vertically extending vertical section 5, is offered in vertical section 5
The first limiting slot 6 for being located relatively at vertical section lower part and the second limiting slot 7 for being located relatively at vertical section top.8 sets of locking plate
Outside vertical section 5, it can be slided up and down along vertical section 5 under external force, and shrapnel is fixed with locking plate 8
10, shrapnel 10 is with that can occur elastically-deformable lug boss 11, in addition, the end of locking plate 8 has catch arm 9.
It should be noted that in the present embodiment, in order to make self-locking ball valve device of the present invention be locked in pass
Disconnected state (the i.e. first locking station), the lug boss 11 of shrapnel 10 is arranged in the first limiting slot 6, and correspondingly, catch arm 9 is located at
The outside of first latch segment 12 so that the first latch segment 12 prevents switch handle 4 from rotating using the axle center of valve rod 3 as axis,
So as to ensure that self-locking ball valve device of the present invention can carry out self-locking in off state.When external force pushes up locking plate
When 8, elastic deformation occurs for the lug boss 11 of shrapnel 10 to deviate from from the first limiting slot 6, and locking plate 8 is upward along vertical section 5
Slide, until lug boss 11 is fallen into the second limiting slot 7, (unlocked under this kind of state under station), catch arm 9 leaves first
The outside of latch segment 12 so that switch handle 4 can be freely rotated using the axle center of valve rod 3 as axis, so as to ensure that institute of the present invention
The self-locking ball valve device stated can be used under non-self-lock-ing state as ordinary ball valve.
In addition, in the present embodiment, self-locking ball valve device of the present invention can also be locked in opening (i.e.
Second locking station).In this case, the lug boss 11 of shrapnel 10 is arranged in the first limiting slot 6, correspondingly catch arm 9
In the outside of the second latch segment 13 so that the second latch segment 13 prevents switch handle 4 from occurring to turn using the axle center of valve rod 3 as axis
It is dynamic, so as to ensure that self-locking ball valve device of the present invention can carry out self-locking in opening.When external force pushes up
During locking plate 8, elastic deformation occurs for the lug boss 11 of shrapnel 10 to deviate from from the first limiting slot 6, and locking plate 8 is along vertical section 5
Upward sliding, until lug boss 11 is fallen into the second limiting slot 7, (unlocks under station), catch arm 9 is left under this kind of state
The outside of second latch segment 13 so that switch handle 4 can be freely rotated using the axle center of valve rod 3 as axis, so as to ensure that this hair
The bright self-locking ball valve device can be used under non-self-lock-ing state as ordinary ball valve.
It can be seen from the above that self-locking ball valve device of the present invention can carry out certainly in opening or off state
Lock, and can also be used under non-self-lock-ing state as ordinary ball valve, so as to ensure that the device is used for long tube aerial respiration
During device, the plug quick connector with pressure of long-pipe air respirator can be not only realized, additionally it is possible to avoid causing source of the gas to interrupt suddenly
Or a large amount of wastes of source of the gas.
It should be noted that prior art part is not limited to given by present specification in protection scope of the present invention
Embodiment, all prior arts not contradicted with the solution of the present invention, including but not limited to first patent document, formerly
Public publication, formerly openly use etc., it can all include protection scope of the present invention.
In addition, combination described in the combination of each technical characteristic and unlimited this case claim in this case or
It is the combination described in specific embodiment, all technical characteristics that this case is recorded can be freely combined in any way
Or combine, unless producing contradiction between each other.
It is also to be noted that embodiment enumerated above is only the specific embodiment of the present invention.The obvious present invention is not
Above example is confined to, the similar change or deformation made therewith are that those skilled in the art can be from present disclosure
Immediately arrive at or be easy to what is just associated, be within the scope of protection of the invention.
Claims (5)
1. a kind of self-locking ball valve device, it includes valve body, spool, and the valve rod being connected with spool;It is it is characterized in that, described
Self-locking ball valve device further includes:
Switch handle, it is fixedly connected with the valve rod, and the switch handle has a vertically extending vertical section, described perpendicular
The first limiting slot and the second limiting slot are offered on to part;
Locking plate, it is sheathed on outside the vertical section, and can be slided up and down under external force along vertical section, described
The end of locking plate has catch arm;
Shrapnel, it is fixed on the locking plate, the shrapnel have elastically-deformable lug boss can occur;
First latch segment, it is fixed on valve outer wall;
Wherein, station is locked first, the lug boss is arranged in the first limiting slot, and correspondingly the catch arm is located at first
On the outside of latch segment, so that the first latch segment prevents switch handle from rotating using the axle center of valve rod as axis;When external force pushes up
During dynamic locking plate, elastic deformation occurs for lug boss to deviate from from the first limiting slot, locking plate along vertical section upward sliding, until
Lug boss is fallen into the second limiting slot, is unlocked herein under station, and the catch arm is left on the outside of the first latch segment, so that described open
Closing handle can be freely rotated using the axle center of valve rod as axis.
2. self-locking ball valve device as claimed in claim 1, it is characterised in that further include:The of corresponding second locking station
Two latch segments, second latch segment are fixed on valve outer wall, and have an angle with the first latch segment;Wherein, exist
Second locking station, the lug boss are arranged in the first limiting slot, and correspondingly the catch arm is located on the outside of the second latch segment,
So that the second latch segment prevents switch handle from rotating using the axle center of valve rod as axis;It is convex when external force pushes up locking plate
Elastic deformation occurs for the portion of rising to deviate from from the first limiting slot, and locking plate is along vertical section upward sliding, until lug boss is fallen into
In second limiting slot, unlock herein under station, the catch arm is left on the outside of the second latch segment, so that the switch handle can
It is freely rotated using the axle center of valve rod as axis.
3. self-locking ball valve device as claimed in claim 1 or 2, it is characterised in that when self-locking ball valve device is positioned at described
During the first locking station, self-locking ball valve device is locked in off state.
4. self-locking ball valve device as claimed in claim 1 or 2, it is characterised in that when self-locking ball valve device is positioned at described
During the second locking station, self-locking ball valve device is locked in opening.
5. self-locking ball valve device as claimed in claim 2, it is characterised in that second latch segment and the first latch segment it
Between angle be 90 °.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711445652.6A CN108006258A (en) | 2017-12-27 | 2017-12-27 | A kind of self-locking ball valve device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711445652.6A CN108006258A (en) | 2017-12-27 | 2017-12-27 | A kind of self-locking ball valve device |
Publications (1)
Publication Number | Publication Date |
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CN108006258A true CN108006258A (en) | 2018-05-08 |
Family
ID=62061847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711445652.6A Pending CN108006258A (en) | 2017-12-27 | 2017-12-27 | A kind of self-locking ball valve device |
Country Status (1)
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CN (1) | CN108006258A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108591504A (en) * | 2018-06-19 | 2018-09-28 | 江苏苏盐阀门机械有限公司 | a kind of valve with self-locking function |
Citations (7)
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JPH11210908A (en) * | 1998-01-28 | 1999-08-06 | Kubota Corp | Valve element lock releasing device for emergency cutoff valve |
DE19813307A1 (en) * | 1998-03-26 | 1999-09-30 | Schuck Franz Gmbh | Locking unit with ball cock for pipeline |
CN201083283Y (en) * | 2007-10-19 | 2008-07-09 | 宁波华成阀门有限公司 | Ball valve |
CN101709790A (en) * | 2009-11-03 | 2010-05-19 | 宁波长壁流体连接件有限公司 | Self-locking ball valve |
CN202266688U (en) * | 2011-09-30 | 2012-06-06 | 庆堂阀门(宁波)有限公司 | Locking-type ball valve |
CN106939937A (en) * | 2017-05-05 | 2017-07-11 | 王毅黎 | A kind of Anti-theft ball valve |
CN207814499U (en) * | 2017-12-27 | 2018-09-04 | 上海宝亚安全装备股份有限公司 | A kind of self-locking ball valve device |
-
2017
- 2017-12-27 CN CN201711445652.6A patent/CN108006258A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH11210908A (en) * | 1998-01-28 | 1999-08-06 | Kubota Corp | Valve element lock releasing device for emergency cutoff valve |
DE19813307A1 (en) * | 1998-03-26 | 1999-09-30 | Schuck Franz Gmbh | Locking unit with ball cock for pipeline |
CN201083283Y (en) * | 2007-10-19 | 2008-07-09 | 宁波华成阀门有限公司 | Ball valve |
CN101709790A (en) * | 2009-11-03 | 2010-05-19 | 宁波长壁流体连接件有限公司 | Self-locking ball valve |
CN202266688U (en) * | 2011-09-30 | 2012-06-06 | 庆堂阀门(宁波)有限公司 | Locking-type ball valve |
CN106939937A (en) * | 2017-05-05 | 2017-07-11 | 王毅黎 | A kind of Anti-theft ball valve |
CN207814499U (en) * | 2017-12-27 | 2018-09-04 | 上海宝亚安全装备股份有限公司 | A kind of self-locking ball valve device |
Non-Patent Citations (1)
Title |
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沈建成;严慧萍;林小军;易湘斌;史志成;: "一种机械式停水自锁水龙头的设计与分析", 新技术新工艺, no. 02 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108591504A (en) * | 2018-06-19 | 2018-09-28 | 江苏苏盐阀门机械有限公司 | a kind of valve with self-locking function |
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