CN104373622A - Dry-type coupling valve - Google Patents
Dry-type coupling valve Download PDFInfo
- Publication number
- CN104373622A CN104373622A CN201310359498.6A CN201310359498A CN104373622A CN 104373622 A CN104373622 A CN 104373622A CN 201310359498 A CN201310359498 A CN 201310359498A CN 104373622 A CN104373622 A CN 104373622A
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- China
- Prior art keywords
- valve
- fixed plate
- dry type
- valve body
- spool
- 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
-
- 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
- F16K31/60—Handles
- F16K31/602—Pivoting levers, e.g. single-sided
-
- 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
- F16K35/14—Means to prevent accidental or unauthorised actuation interlocking two or more valves
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The invention discloses a dry-type coupling valve. The dry-type coupling valve comprises a first valve body and a second valve body which are arranged side by side. A first valve element is arranged in the first valve body, and a second valve element is arranged in the second valve body. The first valve element and the second valve element are spherical valve elements. The first valve element is provided with a recessed portion matched with the second valve element. Coupling pressure can be increased by the valve, and application range of the valve can be widened; valve cavity space after coupling is reduced, so that drainage quantity during decoupling is reduced, a dry type effect is achieved, environmental pollution and possibly caused damage to workers are reduced, and environmental protection performance and safety performance are improved.
Description
Technical field
The present invention relates to valve, particularly a kind of dry type coupling valve.
Background technique
The container of existing transport high-risk chemical or hypertoxic chemical substance, adopts mobile storage tank more.In developed countries such as America and Europes, transport mobile storage tank many employings dry type coupling valve of hypertoxic contour dangerous chemical goods.In addition, in chemical plant, boats and ships, aircraft, astrovehicle, etc. machinery oil circuit, in fluid path pipeline, usually also use dry type coupling valve.Use this valve, after valve closing, the residue in valve cavity can not leak usually.
Dry type coupling valve comprises two adjacent valve members, and wherein a valve member is called oedoeagus or male head, and another valve member is called female end or female head.The spool of existing dry type coupling valve, adopts push-plate type mostly.There is following technical problem in this kind of valve:
1, because spool adopts push-plate type, its coupling pressure that can bear only can reach about 7bar (wherein, bar is pressure unit, 1bar=0.1MPa), therefore, cannot be applicable to the larger pipeline of pressure or container.And, during rotational valve core, need to use larger external force.
2, after being coupled during open and close valve member, because valve adopts plate pushing structure, the coupled room affected between the push pedal of flow core is comparatively large, therefore, needs with large-size Coupler larger to obtain larger vent flow.
Summary of the invention
The technical problem to be solved in the present invention is that the dry type coupling valve in order to overcome prior art bears the defect that coupling pressure is little and coupling traffic is little, provides a kind of dry type coupling valve.
The present invention solves above-mentioned technical problem by following technical proposals:
A kind of dry type coupling valve, comprise one first valve body and one second valve body of adjacent layout side by side, described first valve body inside is provided with one first spool, described second valve body inside is provided with one second spool, its feature is, described first spool and described second spool are spherical valve core, and described first spool is provided with a depressed part matched with described second spool.
Preferably, described dry type coupling valve also comprises one first position fixing handle and one second position fixing handle, described first position fixing handle to be positioned at above described first valve body and to be fixedly connected with the top of described first spool, and described second position fixing handle to be positioned at above described second valve body and to be fixedly connected with the top of described second spool.
Preferably, described first position fixing handle comprises one and is positioned at first holding end of the first fixed plate and for gripping above the first spool, described second position fixing handle comprises one and is positioned at second holding end of the second fixed plate and for gripping above the second spool, the edge of described first fixed plate and the edge of described second fixed plate mutually against, the edge of described first fixed plate is provided with the first jut of an arc and the first depressed part of an arc, the edge of described second fixed plate is provided with the second jut of an arc and the second depressed part of an arc, described first jut and described second depressed part cooperatively interact in shape, and lay respectively at one end relative with described first holding end and one end relative with described second holding end, described first depressed part and described second jut cooperatively interact in shape, and lay respectively at the side near the second position fixing handle and the side near the first position fixing handle.Like this, need through specific order, could be coupled dry type valve open, therefore, can prevent misoperation.
Preferably, described first valve body is also provided with one first locating stud, one the first spring being sleeved on described first locating stud outside, one the first stop component be connected with described first locating stud upper end portion and a first handle lever, one end of described first handle lever is positioned at above described first fixed plate, the other end is positioned at below described first holding end, the described first fixed plate position corresponding with described first handle lever is provided with through hole, the through hole of described first handle lever and described first fixed plate is passed at the described first locating stud position be positioned at below described first stop component successively, described first spring is positioned at the through hole of described first fixed plate, be provided with one below described first fixed plate and be fixed on the first positioning plate on described first valve body, described first positioning plate is provided with two the first positioning holes, described first positioning hole matches with described first locating stud underpart.Like this, external force can be prevented the misoperation of the first position fixing handle.
Preferably, described first stop component is clasp.Snap ring structure is simple, and is easy to manufacture.
Preferably, described second valve body is also provided with one second locating stud, one the second spring being sleeved on described second locating stud outside, one the second stop component be connected with described second locating stud upper end portion and a second handle lever, one end of described second handle lever is positioned at above described second fixed plate, the other end is positioned at below described second holding end, the described second fixed plate position corresponding with described second handle lever is provided with through hole, the through hole of described second handle lever and described second fixed plate is passed at the described second locating stud position be positioned at below described second stop component successively, described second spring is positioned at the through hole of described second fixed plate, be provided with one below described second fixed plate and be fixed on the second positioning plate on described second valve body, described second positioning plate is provided with and connects second positioning hole, described second positioning hole matches with described second locating stud underpart.Like this, external force can be prevented the misoperation of the second position fixing handle.
Preferably, described second stop component is clasp.Snap ring structure is simple, and is easy to manufacture.
Preferably, described first fixed plate and described second fixed plate lower end surface are respectively equipped with one first guide-track groove and one second guide-track groove, described first positioning plate is connected with a bayonet lock, described second positioning plate is connected with a guide pins, described bayonet lock and described guide pins adjacent distributions, described bayonet lock is fixed on described first positioning plate by a rotating shaft be positioned in the middle part of described bayonet lock, the lower end of described bayonet lock is connected with described first positioning plate by one the 3rd spring, the upper-end part of driving of described bayonet lock is in described first guide-track groove, described guide pins comprises vertical portion and horizontal part, the upper-end part of driving of described second positioning plate and vertical portion is passed in described second guide-track groove in the vertical portion of described guide pins, the horizontal part of described guide pins can towards described bayonet lock direction horizontal slip and can with described bayonet lock be positioned at position below described rotating shaft against.Like this, use safer, the angle of swing of position fixing handle also can be made to be controlled simultaneously.
Preferably, described second guide-track groove is evolvent type guide-track groove.The guide rail of evolvent type, makes the horizontal part of guide pins stretch out more smooth.
Preferably, the end interface of described dry type coupling valve is flange-interface or internal thread interface.Multiple interfaces, can adapt to multiple application mode, makes valve purposes more extensive.
Positive progressive effect of the present invention is: improve coupling pressure, increases the using scope of valve; Reduce valve pocket space after coupling, and then reduce coupling vent flow, reach dry type effect, reduce the pollution of environment and the injury to staff that may cause, improve environmental-protecting performance and Safety performance.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of dry type of the present invention coupling valve-closed state.
Fig. 2 is the sectional drawing along A-A direction in Fig. 1.
Fig. 3 is the schematic diagram of dry type of the present invention coupling valve open state.
Fig. 4 is the sectional drawing along B-B direction in Fig. 3.
Drawing in side sectional elevation when Fig. 5 is the first valve body assembly closed condition of dry type of the present invention coupling valve.
Sectional arrangement drawing when Fig. 6 is the first valve body assembly closed condition of dry type of the present invention coupling valve.
Drawing in side sectional elevation when Fig. 7 is the second valve body assembly closed condition of dry type of the present invention coupling valve.
Sectional arrangement drawing when Fig. 8 is the second valve body assembly closed condition of dry type of the present invention coupling valve.
Embodiment
Lift preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly the present invention to be described.
As shown in Fig. 1 ~ Fig. 8, dry type coupling valve, comprise the first valve body 11 and the second valve body 21 of adjacent layout side by side, first valve body 11 inside is provided with the first spool 12, second valve body 21 inside is provided with the second spool 22, first spool 12 and the second spool 22 are spherical valve core, and the first spool 12 is provided with the depressed part matched with the second spool 22.
Two valve bodies of dry type coupling valve all adopt ball valve sealing mode, and spherical valve core is compared with push-plate type spool, and the bearing capacity of spherical valve core improves greatly, therefore, substantially increases the coupling pressure that valve can bear.According to experiment statistics, coupling pressure can reach more than 40bar.Because the first valve body and the second valve body sealing principle and ordinary ball valve are as good as, do not need as existing push-plate type dry type coupler valve, need antagonism spool backside pressure and then open valve plate.Therefore, just can rotational valve core by less power.
The spheroid depression of the first spool 12, depressed part coordinates with the spheroid of the second spool 22, like this, in use, the rear valve pocket space of coupling can be reduced, and then reduce coupling vent flow, reach dry type effect, reduce the pollution of environment and the injury to staff that may cause, improve environmental-protecting performance and Safety performance.
On the basis of technique scheme, dry type coupling valve also comprises the first position fixing handle 13 and the second position fixing handle 23, first position fixing handle 13 to be positioned at above the first valve body 11 and to be fixedly connected with the top of the first spool 12, and the second position fixing handle 23 to be positioned at above the second valve body 21 and to be fixedly connected with the top of the second spool 22.
For preventing the misoperation to position fixing handle, by the improvement to the profile of position fixing handle, the effect preventing misoperation can be reached.Feasible improved plan can be:
First position fixing handle 13 comprises and is positioned at the first fixed plate 14 above the first spool 12 and the first holding end 15 for gripping, second position fixing handle 23 comprises and is positioned at the second fixed plate 24 above the second spool 22 and the second holding end 25 for gripping, the edge of the first fixed plate 14 and the edge of the second fixed plate 24 mutually against, the edge of the first fixed plate 14 is provided with the first jut 16 of arc and the first depressed part 17 of arc, the edge of the second fixed plate 24 is provided with the second jut 26 of arc and the second depressed part 27 of arc, first jut 16 and the second depressed part 27 cooperatively interact in shape, and lay respectively at one end relative with the first holding end 15 and one end relative with the second holding end 25, first depressed part 17 and the second jut 26 cooperatively interact in shape, and lay respectively at the side near the second position fixing handle 23 and the side near the first position fixing handle 13.
As shown in Figure 1, this is the closed state of dry type coupling valve, and the first depressed part of the first position fixing handle and the second jut of the second position fixing handle cooperatively interact, and are in fastening state, and now, the first position fixing handle cannot rotate.As shown in Figure 3, this is the open mode of dry type coupling valve, and the first jut of the first position fixing handle and the second depressed part of the second position fixing handle cooperatively interact, and are in fastening state, and now, the second location cannot be rotated.When being opened from closed state by valve, after needing first the second position fixing handle to be rotated counterclockwise 90 degree, the first position fixing handle could rotate.When being closed from open mode by valve, after needing first the first position fixing handle to be rotated counterclockwise 90 degree, the second position fixing handle could rotate.
Therefore, when valve need from closed become open mode or need to become closed state from open mode time, all only have a position fixing handle first to rotate, another position fixing handle could rotate after the previous position fixing handle such as only having rotate.Like this, by the cooperation of the profile of position fixing handle, valve two handles when changing state overcoming prior art all can operate and the defect of easily misoperation simultaneously, reach the object preventing misoperation.
Position fixing handle also there is the situation of being touched by external force false touch, for this reason, on the basis of technique scheme, can carry out architecture advances on the first valve body.
As shown in Figure 5 and Figure 6, first valve body 11 is also provided with the first locating stud 18, be sleeved on the first spring 19 of the first locating stud 18 outside, the first stop component 20 be connected with the first locating stud 18 upper end portion and first handle lever 41, one end of first handle lever 41 is positioned at above the first fixed plate 14, the other end is positioned at below the first holding end 15, first fixed plate 14 and the corresponding position of first handle lever 41 are provided with through hole, the through hole of first handle lever 41 and the first fixed plate 14 is passed at first locating stud 18 position be positioned at below the first stop component 20 successively, first spring 19 is positioned at the through hole of the first fixed plate 14, the first positioning plate 42 be fixed on the first valve body 11 is provided with below first fixed plate 14, first positioning plate 42 is provided with two the first positioning holes, first positioning hole matches with the first locating stud 18 underpart.
The elastic force of the first spring makes the lower end part of the first locating stud in positioning hole, like this, only operates the first position fixing handle, is to make the first position fixing handle rotate.When needing rotation the first position fixing handle, will first lift first handle lever, under lever power works is used, the first stop component drives the first locating stud to move up, and the underpart of the first locating stud departs from the first positioning hole, and the first position fixing handle just can rotate.After the first position fixing handle rotates 90 degree, put down by first handle lever, the first locating stud is at the moved downward of the first spring, the underpart of the first locating stud is allowed to enter another the first positioning hole, like this, only operating the first position fixing handle, is to make the first position fixing handle rotate.
Therefore, do not lift first handle lever, the first position fixing handle cannot be made to rotate.Like this, can prevent external force from touching the first position fixing handle by mistake and producing misoperation, improve the Safety performance that valve uses.
First stop component 20 can be clasp.Snap ring structure is simple, is easy to manufacture.
Similarly, the architecture advances identical with on the first valve body 11 can be carried out on the second valve body 21.As shown in Figure 7 and Figure 8, second valve body 21 is also provided with the second locating stud 28, be sleeved on the second spring 29 of the second locating stud 28 outside, the second stop component 30 be connected with the second locating stud 28 upper end portion and second handle lever 31, one end of second handle lever 31 is positioned at above the second fixed plate 24, the other end is positioned at below the second holding end 25, second fixed plate 24 and the corresponding position of second handle lever 31 are provided with through hole, the through hole of second handle lever 31 and the second fixed plate 24 is passed at second locating stud 28 position be positioned at below the second stop component 30 successively, second spring 29 is positioned at the through hole of the second fixed plate 24, be provided with one below second fixed plate 24 and be fixed on the second positioning plate 32 on the second valve body 21, second positioning plate 32 is provided with two the second positioning holes, second positioning hole matches with the second locating stud 28 underpart.Second stop component 30 can be clasp.
Because the said structure on the second valve body is with to carry out architecture advances on the first valve body identical, its motion principle and effect identical with the first valve body, just repeat no more at this.
On above-mentioned technological scheme basis, for increasing the use safety of valve further, and controlling the angle of swing of the first position fixing handle and the second position fixing handle, can also following technical proposals be taked:
First fixed plate 14 and the second fixed plate 24 lower end surface are respectively equipped with the first guide-track groove and the second guide-track groove, first positioning plate 42 is connected with bayonet lock 43, second positioning plate 32 is connected with guide pins 33, bayonet lock 43 and guide pins 33 adjacent distributions, bayonet lock 43 is fixed on the first positioning plate 42 by the rotating shaft be positioned in the middle part of bayonet lock 43, the lower end of bayonet lock 43 is connected with the first positioning plate 42 by the 3rd spring 44, the upper-end part of driving of bayonet lock 43 is in the first guide-track groove, guide pins 33 comprises vertical portion and horizontal part, the upper-end part of driving of the second positioning plate 32 and guide pins 33 vertical portion is passed in the second guide-track groove in the vertical portion of guide pins 33, the horizontal part of guide pins can towards bayonet lock 43 direction horizontal slip and can with bayonet lock 43 be positioned at position below rotating shaft against.
As previously mentioned, open valve, must first be rotated counterclockwise by the second position fixing handle, therefore, when the second fixed plate rotates, the second guide-track groove drives the horizontal part of guide pins towards the horizontal slip of bayonet lock direction.When the head end of the second guide-track groove is positioned at valve closes state, the upper end portion of guide pins vertical portion is in guide-track groove position.After the second position fixing handle rotates counterclockwise 90 degree, the position i.e. end position of second guide-track groove of upper end portion in the second guide-track groove of guide pins vertical portion.Like this, the second position fixing handle can be controlled and can only turn 90 degree, ensure that the safety of use.
First guide-track groove comprises locking slot for locking bayonet lock and sliding-groove, the head end of locking slot is the position of upper end portion in the first guide-track groove of the bayonet lock of dry type coupling valve when being in closed state, the end of locking slot is the head end of sliding-groove, and the end of sliding-groove is that the first position fixing handle rotates clockwise the bayonet lock upper end portion after 90 degree in the first guide-track groove position.Rotate counterclockwise when the second position fixing handle rotates, guide pins withstands the underpart of bayonet lock, and owing to being provided with rotating shaft in the middle part of bayonet lock, then bayonet lock upper end portion is moved towards the second valve body aspect.After the angle of the second position fixing handle rotation reaches 90 degree, the position of bayonet lock upper end portion in the first guide-track groove and the position of locking slot end.Like this, the second position fixing handle can be controlled and can only turn 90 degree, ensure that the safety of use.
Second guide-track groove can be evolvent type guide-track groove.The guide rail of evolvent type, can make the horizontal part of guide pins move towards bayonet lock direction more smoothly.
The end interface of dry type coupling valve can be flange-interface or internal thread interface.Wherein internal thread interface can use BSP thread, internal thread interface.BSP screw thread refers to british standard pipe thread.Like this, dry type coupling valve can have multiple interfaces, can adapt to multiple application mode, therefore, make valve purposes more extensive.
Although the foregoing describe the specific embodiment of the present invention, it will be understood by those of skill in the art that this only illustrates, protection scope of the present invention is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present invention and essence, can make various changes or modifications to these mode of executions, but these change and amendment all falls into protection scope of the present invention.
Claims (10)
1. a dry type coupling valve, comprise one first valve body and one second valve body of adjacent layout side by side, described first valve body inside is provided with one first spool, described second valve body inside is provided with one second spool, it is characterized in that, described first spool and described second spool are spherical valve core, and described first spool is provided with a depressed part matched with described second spool.
2. dry type coupling valve as claimed in claim 1, it is characterized in that, described dry type coupling valve also comprises one first position fixing handle and one second position fixing handle, described first position fixing handle to be positioned at above described first valve body and to be fixedly connected with the top of described first spool, and described second position fixing handle to be positioned at above described second valve body and to be fixedly connected with the top of described second spool.
3. dry type coupling valve as claimed in claim 2, it is characterized in that, described first position fixing handle comprises one and is positioned at first holding end of the first fixed plate and for gripping above described first spool, described second position fixing handle comprises one and is positioned at second holding end of the second fixed plate and for gripping above described second spool, the edge of described first fixed plate and the edge of described second fixed plate mutually against
The edge of described first fixed plate is provided with the first jut of an arc and the first depressed part of an arc, and the edge of described second fixed plate is provided with the second jut of an arc and the second depressed part of an arc,
Described first jut and described second depressed part cooperatively interact in shape, and lay respectively at one end relative with described first holding end and one end relative with described second holding end,
Described first depressed part and described second jut cooperatively interact in shape, and lay respectively at the side near the second position fixing handle and the side near the first position fixing handle.
4. dry type coupling valve as claimed in claim 3, it is characterized in that, described first valve body is also provided with one first locating stud, one the first spring being sleeved on described first locating stud outside, one the first stop component be connected with described first locating stud upper end portion and a first handle lever, one end of described first handle lever is positioned at above described first fixed plate, the other end is positioned at below described first holding end, the described first fixed plate position corresponding with described first handle lever is provided with through hole, the through hole of described first handle lever and described first fixed plate is passed at the described first locating stud position be positioned at below described first stop component successively, described first spring is positioned at the through hole of described first fixed plate, be provided with one below described first fixed plate and be fixed on the first positioning plate on described first valve body, described first positioning plate is provided with two the first positioning holes, described first positioning hole matches with described first locating stud underpart.
5. dry type coupling valve as claimed in claim 4, it is characterized in that, described first stop component is clasp.
6. dry type coupling valve as claimed in claim 3, it is characterized in that, described second valve body is also provided with one second locating stud, one the second spring being sleeved on described second locating stud outside, one the second stop component be connected with described second locating stud upper end portion and a second handle lever, one end of described second handle lever is positioned at above described second fixed plate, the other end is positioned at below described second holding end, the described second fixed plate position corresponding with described second handle lever is provided with through hole, the through hole of described second handle lever and described second fixed plate is passed at the described second locating stud position be positioned at below described second stop component successively, described second spring is positioned at the through hole of described second fixed plate, be provided with one below described second fixed plate and be fixed on the second positioning plate on described second valve body, described second positioning plate is provided with two the second positioning holes, described second positioning hole matches with described second locating stud underpart.
7. dry type coupling valve as claimed in claim 6, it is characterized in that, described second stop component is clasp.
8. the dry type coupling valve as described in claim 4 to 7 any one, it is characterized in that, described first fixed plate and described second fixed plate lower end surface are respectively equipped with one first guide-track groove and one second guide-track groove, described first positioning plate is connected with a bayonet lock, described second positioning plate is connected with a guide pins, described bayonet lock and described guide pins adjacent distributions, described bayonet lock is fixed on described first positioning plate by a rotating shaft be positioned in the middle part of described bayonet lock, the lower end of described bayonet lock is connected with described first positioning plate by one the 3rd spring, the upper-end part of driving of described bayonet lock is in described first guide-track groove, described guide pins comprises vertical portion and horizontal part, the upper-end part of driving of described second positioning plate and vertical portion is passed in described second guide-track groove in the vertical portion of described guide pins, the horizontal part of described guide pins can towards described bayonet lock direction horizontal slip and can with described bayonet lock be positioned at position below described rotating shaft against.
9. dry type coupling valve as claimed in claim 8, it is characterized in that, described second guide-track groove is evolvent type guide-track groove.
10. dry type coupling valve as claimed in claim 1, is characterized in that, the end interface of described dry type coupling valve is flange-interface or internal thread interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310359498.6A CN104373622A (en) | 2013-08-16 | 2013-08-16 | Dry-type coupling valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310359498.6A CN104373622A (en) | 2013-08-16 | 2013-08-16 | Dry-type coupling valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104373622A true CN104373622A (en) | 2015-02-25 |
Family
ID=52552706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310359498.6A Pending CN104373622A (en) | 2013-08-16 | 2013-08-16 | Dry-type coupling valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN104373622A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725862A (en) * | 2017-10-26 | 2018-02-23 | 方正阀门集团有限公司 | The split type mutual ball valve with lock of interconnection |
| CN108061172A (en) * | 2017-10-26 | 2018-05-22 | 方正阀门集团有限公司 | DBB Two-way flow ball valves with interlocking structure |
| CN108071851A (en) * | 2017-10-26 | 2018-05-25 | 方正阀门集团有限公司 | A kind of valve mutual interlocking gear |
| CN110701333A (en) * | 2019-08-28 | 2020-01-17 | 中航光电科技股份有限公司 | Hermaphrodite fluid ball valve capable of preventing mistaken pulling operation |
| CN110939767A (en) * | 2019-11-18 | 2020-03-31 | 中航光电科技股份有限公司 | Hermaphrodite fluid ball valve capable of preventing mistaken pulling operation |
-
2013
- 2013-08-16 CN CN201310359498.6A patent/CN104373622A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725862A (en) * | 2017-10-26 | 2018-02-23 | 方正阀门集团有限公司 | The split type mutual ball valve with lock of interconnection |
| CN108061172A (en) * | 2017-10-26 | 2018-05-22 | 方正阀门集团有限公司 | DBB Two-way flow ball valves with interlocking structure |
| CN108071851A (en) * | 2017-10-26 | 2018-05-25 | 方正阀门集团有限公司 | A kind of valve mutual interlocking gear |
| CN110701333A (en) * | 2019-08-28 | 2020-01-17 | 中航光电科技股份有限公司 | Hermaphrodite fluid ball valve capable of preventing mistaken pulling operation |
| CN110701333B (en) * | 2019-08-28 | 2021-09-14 | 中航光电科技股份有限公司 | Hermaphrodite fluid ball valve capable of preventing mistaken pulling operation |
| CN110939767A (en) * | 2019-11-18 | 2020-03-31 | 中航光电科技股份有限公司 | Hermaphrodite fluid ball valve capable of preventing mistaken pulling operation |
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Application publication date: 20150225 |