CN109882606A - A kind of dual fail-safe leakproof mother and sons' ball valve - Google Patents
A kind of dual fail-safe leakproof mother and sons' ball valve Download PDFInfo
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- CN109882606A CN109882606A CN201910235673.8A CN201910235673A CN109882606A CN 109882606 A CN109882606 A CN 109882606A CN 201910235673 A CN201910235673 A CN 201910235673A CN 109882606 A CN109882606 A CN 109882606A
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- valve
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- bulbec
- mouth
- mother bulb
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Abstract
The present invention relates to safety-type, the anti-theft type valves of a kind of control of fluid switch, especially a kind of antitheft mother and sons' ball valve of Double-protective safety, including valve body, valve seat and sphere, the sphere is placed in the valve body by valve seat, it is characterized by: the sphere includes at least mother bulb body and bulbec body, the bulbec body is located in mother bulb body, the ball mouth of perforation is symmetrically offered on mother bulb body and bulbec body, mother bulb body and/or bulbec body can be in plane internal rotations where ball mouth center line, to realize the opening and closing of valve.The present invention newly-installed structure entirely simply and easily realizes the control of valve, and has better drip-proof function, has very important meaning to the design level of poppet, to preventing valve water clock, energy conservation and environmental protection from suffering from very important practical value.
Description
Technical field
The present invention relates to safety-type, the anti-theft type valve of a kind of control of fluid switch, especially a kind of Double-protective safeties
Antitheft mother and sons' ball valve.
Background technique
Traditional ball valve, has that fluid resistance is small, body is simple, small in size, light-weight, opening and closing is rapid, easy to operate etc.
The switch control field with fluid is widely applied in advantage.But the machining accuracy of ball valve is high, involves great expense, is not easy to make in high temperature
With being easily clogged with impurities as having impurity in pipeline;Moreover, in switching process, due to rubbing repeatedly for sphere and sealing ring
It wears consumption, sealing performance is decreased obviously, and thus will appear serious weeping.
Ball valve occur weeping, be in many occasions it is flagrant, especially harmful influence (it is inflammable and explosive, have
The abbreviation of the hazardous chemicals such as malicious nocuousness) application field, its consequence of the water clock of ball valve is hardly imaginable.
Leakage is one of industrial pollution source, and the leakage of valve can make medium outflow that consumption be caused to increase, cost increase, enterprise
The economic benefit of industry declines.Inflammable, explosive, toxic and hazardous medium leaks, then fire, explosion, poisoning and person wound easily occurs
The accidents such as die.Strong corrosive medium leakage, can accelerate the corrosion rate of plant and equipment, use reduced service life.Therefore, it lets out
The presence of leakage seriously threatens safety in production, or even carry out production can not.Therefore, the leakage problem of valve can not be ignored.
Moreover, in recent years, with the rapid development of electromechanical integration technology, the various motor-driven valves repacked into using ball valve
Door is more and more.But the existing generally existing control precision of motor-driven valve is not high, field adjustable is inconvenient, fault diagnosis side
The problems such as method is not perfect especially when motor-driven valve once breaking down, cannot smoothly realize that switch control, consequence can't bear to set
Think.Here it is the basic reasons that existing motor-driven valve can not promote the use of a large area, especially dangerous material, chemicals, easily
The switch control field of explosive material is fired, dare not all use motor-driven valve always, and still uses traditional manually-operated gate.
It all the time, to the solution of valve leak is started with from valve.Optimize the design of valve mechanism, root
The material of manufacture valve is reasonably selected according to different process conditions, improves the quality control level in valve production process, and
According to the type selecting of optimization of process conditions valve various in chemical production process.Although these methods, slow down to a certain extent
The leakage problem of valve, but ultimately fail to the leakage for being inherently eliminated valve.
Summary of the invention
The present invention overcomes ball valve the deficiencies in the prior art, and existing ball valve is effectively transformed, and it is reliable to improve it
Property, to prevent water clock, even if group valve or main-valve any one when there is water clock, can be by turning off sub- valve and main-valve in time
Method solves dripping problems, and the hidden danger of water clock is thoroughly eliminated eventually by " the Double-protective safety mothers and sons ball valve " more renewed.
In order to achieve the above object, the present invention provides a kind of dual fail-safe leakproof mother and sons' ball valve, including valve body, valve seat and sphere,
The sphere is placed in the valve body by valve seat, it is characterised in that: the sphere includes at least mother bulb body and bulbec body, institute
It states bulbec body to be located in mother bulb body, the ball mouth of perforation, mother bulb body and/or bulbec is symmetrically offered on mother bulb body and bulbec body
Body can be in plane internal rotation where ball mouth center line, to realize the opening and closing of valve.
Further, it is connect at the top of mother bulb body with main-valve bar one end, the main-valve bar is held by upper mother's axle to be connected with valve body
It connects, mother bulb body bottom is held by lower mother's axle and connect with valve body, and the rotation of mother bulb body can be controlled by rotation main-valve bar.
Further, bulbec body is connect with sub- valve rod, and the center of hollow main-valve bar is arranged in sub- valve rod, can pass through rotation
Rotor valve rod controls the rotation of bulbec body.
Particularly, the ball mouth of the mother bulb body is mother bulb mouth, and the ball mouth of the bulbec body is bulbec mouth, the bulbec mouth
It is slightly less than mother bulb mouth.It is provided with gasket between the mother bulb mouth and valve seat, is provided between the bulbec mouth and mother bulb mouth close
Packing.
Further, when bulbec mouth and the salty conjunction of mother bulb, and when being overlapped with valve body opening, entire valve is in the open state, no
Then all in valve closing state.Particularly, when bulbec mouth differs 90 degree with mother bulb mouth, and mother bulb body is in close state, institute
It states ball valve and is in antidrip state.
Further, the top of main-valve bar and sub- valve rod is provided with clamping attachment device, when pass through the clamping apparatus
When connecting main-valve bar and sub- valve rod, it can be rotated in mother bulb body with mother bulb body by controlling bulbec body.Particularly, exist
The top of main-valve bar and sub- valve rod is provided with the switch cotter way of special shape, is only equipped with and switchs what cotter way matched with this
Specific purpose tool is just able to achieve the switch operation to valve.
Optionally, the top of main-valve bar and sub- valve rod is connect with power device, can by power device control main-valve bar and
Sub- valve rod is realized and is operated to the switch of valve.
The present invention newly-installed structure, the simply and easily control of realization valve entirely, and there is better drip-proof function
Can, there is very important meaning to the design level of poppet, to preventing valve water clock, energy conservation and environmental protection from suffering from very
Important practical value.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is overall construction drawing of the invention
Specific embodiment
It to make the object, technical solutions and advantages of the present invention clearer, below will be to a specific embodiment of the invention
Carry out clear, complete description.
" Double-protective safety mothers and sons ball valve " according to the present invention, is constituted as shown in Figure 1: substantially mainly by mother bulb body
1, bulbec body 2, mother bulb mouth 3, bulbec mouth 4, main-valve bar 5, sub- valve rod 6, upper mother's axle hold 7, lower mother's axle and hold 8, valve seat 9 and valve body 10
Composition.
For bulbec body 2 in 1 body of mother bulb body, gap each other is the smaller the better, but can be under arm strength effect relatively easily
Ground relative motion;
Bulbec mouth 4 is slightly less than mother bulb mouth 3, is fitted close with respective gasket, to ensure good leakproofness;Group
Ball mouth 4 is overlapped with mother bulb mouth 3, and when being overlapped with valve body opening, entire valve is in the open state, otherwise all in valve closing state;
When bulbec mouth 4 differs 90 degree with mother bulb mouth 3, and mother bulb body 3 is in close state, entire valve is in antidrip state, that is, has
There is optimal anti-leak result.
Bulbec mouth 4 is overlapped with mother bulb mouth 3, is the necessary condition of entire valve.
Bulbec mouth 4 differs 90 degree with mother bulb mouth 3, is entire valve in water clock state is put, that is, has optimal anti-leak effect
The necessary condition of fruit.
For sub- valve rod 6 at the center of main-valve bar 5, the thinner gap each other the better, but can be relatively light under arm strength effect
Loose ground relative motion.
Main-valve bar 5 is connect with mother bulb body 1, achievees the purpose that rotate mother bulb body 1 by rotating main-valve bar 5.
Sub- valve rod 6 is connect with bulbec body 2, achievees the purpose that gyrator sphere 2 by gyrator valve rod 6.
Main-valve bar 5 holds 7 by upper mother's axle and connect with valve body 10.
Mother bulb body 1 holds 8, valve seat 9 by main-valve bar 5, lower mother's axle and connect with valve body 10.
Basic functional principle of the invention is as follows:
Mother and sons' ball valve configurations principle: on the basis of existing spindle-type ball valve basic structure, emphasis improves sphere.
I.e. in the internal of protocorm body, it is embedded in the substantially similar spherula of a structure, then protocorm body is known as mother bulb body 1, the bead of insertion
Body is known as bulbec body 2.Gap between mother bulb body 1 and bulbec body 2 is the smaller the better, to obtain preferable leakproofness, but to take into account
The flexibility of switch, can the more easily relative motion under arm strength effect.In view of mother bulb body 1 needs certain intensity,
Its spherical shell should keep enough thickness.Mother bulb body 1, bulbec body 2 hold 7, lower mother's axle by main-valve bar 5, sub- valve rod 6, upper mother's axle
It holds 8, valve seat 9 to connect with valve body 10, to ensure the flexibility of mother bulb body 1, the leakproofness of bulbec body 2 and switch.When bulbec mouth 4
When being overlapped with mother bulb mouth 3, and being overlapped with valve body opening, entire valve is in the open state, otherwise all in valve closing state;Group
Ball mouth 4 differs 90 degree with mother bulb mouth 3, and when mother bulb body 3 is in close state, entire valve is in antidrip state, that is, has most
Good anti-leak result.This is because mother bulb body is in close state relative to valve body, bulbec body is also located relative to mother bulb body
In closed state, in this way, fluid just have passed through the shutdown effect of two ball valves of bulbec body and mother bulb body, the reliability of shutdown
Doubled.Therefore, entire ball valve will not because of the water clock of bulbec body or mother bulb body water clock.And when needing to develop, mother bulb
Body is rotated by 90 ° in full open state, but since bulbec body rotates in mother bulb body with mother bulb body, factor sphere is opposite
Still closed in mother bulb body, only when reaffirm need valve opening when, by 90 degree of gyrator sphere, can just make it entire
Valve is in the open state.When needing fast quick-closing valve, climax sphere or pass mother bulb body can be realized and be rapidly switched off.
Water clock self-checking function and prevent water clock principle: under normal circumstances, mother bulb body 1 is in normally open, in this way, fluid
Switch control just completed by bulbec body 2.The work of bulbec body 2 is frequent as a result, abrasion and a possibility that generate water clock most
Greatly.Since mother bulb body 1 is in normally open, bulbec body 2 is closed, if it find that water clock, illustrates 2 corrupted of bulbec body, close immediately
Fall mother bulb body 1, just thoroughly prevents overflowing for water clock;Meanwhile informing that user replaces this mother and sons' valve in time.
In addition, be provided with the switch cotter way of special shape on the top of main-valve bar 5, sub- valve rod 6, be only equipped with it is this
The specific purpose tool that switch cotter way matches just is able to achieve the switch operation to valve.Therefore, which has good anti-theft function.
In conclusion the present invention is safety-type, the anti-theft type valve of a kind of fluid switch control, it is especially a kind of double
Insure safe antitheft mothers and sons ball valve.The valve may replace existing ball valve, be widely used in the switch control field of various fluids, more
Suitable for the various motor-driven valves of manufacture and pneumatic operated valve.
Preferably, ball valve of the invention can be made of stainless steel material or cast iron materials.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary reality that uses
Mode is applied, however the present invention is not limited thereto.For those skilled in the art, the present invention is not being departed from
Spirit and essence in the case where, various changes and modifications can be made therein, these variations and modifications are also considered as protection of the invention
Range.
Claims (10)
1. leakage mother and sons' ball valve is put in a kind of dual fail-safe, including valve body, valve seat and sphere, the sphere are placed in the valve body by valve seat
It is interior, it is characterised in that: the sphere includes at least mother bulb body and bulbec body, and the bulbec body is located in mother bulb body, mother bulb body with
Symmetrically offer the ball mouth of perforation on bulbec body, mother bulb body and/or bulbec body can in plane internal rotation where ball mouth center line,
To realize the opening and closing of valve.
2. dual fail-safe leakproof mother and sons' ball valve according to claim 1, it is characterised in that:
It is connect at the top of mother bulb body with main-valve bar one end, the main-valve bar is held by upper mother's axle to be connect with valve body, and mother bulb body bottom is logical
It crosses down mother's axle and holds and connect with valve body, rotation main-valve bar can be passed through and control the rotation of mother bulb body.
3. dual fail-safe leakproof mother and sons' ball valve according to claim 2, it is characterised in that:
Bulbec body is connect with sub- valve rod, and the center of hollow main-valve bar is arranged in sub- valve rod, can control son by gyrator valve rod
Sphere rotation.
4. dual fail-safe leakproof mother and sons' ball valve described in any one of claim 1 to 3, it is characterised in that: the mother bulb body
Ball mouth be mother bulb mouth, the ball mouth of the bulbec body is bulbec mouth, and the bulbec mouth is slightly less than mother bulb mouth.
5. dual fail-safe leakproof mother and sons' ball valve according to claim 4, it is characterised in that: set between the mother bulb mouth and valve seat
It is equipped with gasket, is provided with gasket between the bulbec mouth and mother bulb mouth.
6. dual fail-safe leakproof mother and sons' ball valve according to claim 5, it is characterised in that: when bulbec mouth and the salty conjunction of mother bulb,
And when being overlapped with valve body opening, entire valve is in the open state, otherwise all in valve closing state.
7. dual fail-safe leakproof mother and sons' ball valve according to claim 5, it is characterised in that: when bulbec mouth differs 90 with mother bulb mouth
Degree, and when mother bulb body is in close state, the ball valve is in antidrip state.
8. dual fail-safe leakproof mother and sons' ball valve according to claim 3, it is characterised in that: the top of main-valve bar and sub- valve rod is set
It is equipped with clamping attachment device, when connecting main-valve bar and sub- valve rod by the clamping apparatus, can be existed by controlling bulbec body
It is rotated in mother bulb body with mother bulb body.
9. dual fail-safe leakproof mother and sons' ball valve according to claim 8, it is characterised in that: on the top of main-valve bar and sub- valve rod
It is provided with the switch cotter way of special shape, the specific purpose tool to match with this switch cotter way is only equipped with and is just able to achieve to valve
Switch operation.
10. dual fail-safe leakproof mother and sons' ball valve according to claim 8, it is characterised in that: the top of main-valve bar and sub- valve rod
It is connect with power device, main-valve bar and sub- valve rod can be controlled by power device, realize and the switch of ball valve is operated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910235673.8A CN109882606A (en) | 2019-03-27 | 2019-03-27 | A kind of dual fail-safe leakproof mother and sons' ball valve |
Applications Claiming Priority (1)
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CN201910235673.8A CN109882606A (en) | 2019-03-27 | 2019-03-27 | A kind of dual fail-safe leakproof mother and sons' ball valve |
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CN109882606A true CN109882606A (en) | 2019-06-14 |
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ID=66934655
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CN201910235673.8A Pending CN109882606A (en) | 2019-03-27 | 2019-03-27 | A kind of dual fail-safe leakproof mother and sons' ball valve |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114215929A (en) * | 2021-12-17 | 2022-03-22 | 江苏瑞润隆机械有限公司 | Ball valve with good tightness and using method thereof |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1403712A (en) * | 1971-04-15 | 1975-08-28 | Serck Industries Ltd | Ball valve |
US4230154A (en) * | 1978-12-15 | 1980-10-28 | Kalbfleish Adolphe W | Combined ball and throttle valve |
CN105156712A (en) * | 2013-05-11 | 2015-12-16 | 河南行知专利服务有限公司 | Ball valve |
CN206487897U (en) * | 2017-02-22 | 2017-09-12 | 浙江中信阀门有限公司 | A kind of floating ball valve |
CN207830614U (en) * | 2018-01-31 | 2018-09-07 | 国工控股集团有限公司 | Floating ball valve |
CN109058502A (en) * | 2018-09-19 | 2018-12-21 | 浙江中德自控科技股份有限公司 | A kind of solid powder regulation ball valve that sealing effect is good |
-
2019
- 2019-03-27 CN CN201910235673.8A patent/CN109882606A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1403712A (en) * | 1971-04-15 | 1975-08-28 | Serck Industries Ltd | Ball valve |
US4230154A (en) * | 1978-12-15 | 1980-10-28 | Kalbfleish Adolphe W | Combined ball and throttle valve |
CN105156712A (en) * | 2013-05-11 | 2015-12-16 | 河南行知专利服务有限公司 | Ball valve |
CN206487897U (en) * | 2017-02-22 | 2017-09-12 | 浙江中信阀门有限公司 | A kind of floating ball valve |
CN207830614U (en) * | 2018-01-31 | 2018-09-07 | 国工控股集团有限公司 | Floating ball valve |
CN109058502A (en) * | 2018-09-19 | 2018-12-21 | 浙江中德自控科技股份有限公司 | A kind of solid powder regulation ball valve that sealing effect is good |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114215929A (en) * | 2021-12-17 | 2022-03-22 | 江苏瑞润隆机械有限公司 | Ball valve with good tightness and using method thereof |
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Application publication date: 20190614 |