CN204922069U - Fixed ball valve with electromagnetic suspension disk seat - Google Patents
Fixed ball valve with electromagnetic suspension disk seat Download PDFInfo
- Publication number
- CN204922069U CN204922069U CN201520592454.2U CN201520592454U CN204922069U CN 204922069 U CN204922069 U CN 204922069U CN 201520592454 U CN201520592454 U CN 201520592454U CN 204922069 U CN204922069 U CN 204922069U
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- China
- Prior art keywords
- valve
- spheroid
- valve seat
- magnet
- fixing ball
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a fixed ball valve with electromagnetic suspension disk seat, include: a valve body. The valve gap, sealing connection is in the both sides of valve body, the spheroid is located can rotate for the valve body in the valve body, the disk seat is located spheroidal both sides lie in the valve gap, fixed electro -magnet, the fixed setting on the valve gap, the activity electro -magnet, the fixed setting on the disk seat to set up relatively with fixed electro -magnet, the activity electro -magnet with the fixed electro -magnet polarity of relative one end each other is opposite. The utility model provides a fixed ball valve with electromagnetic suspension disk seat earlier to activity electro -magnet and the circular telegram of fixed magnet spool, makes the disk seat break away from the spheroid, is in the suspended state, and then rotates the spheroid, and disk seat suspension this moment and spheroid contactless just do not have frictional force between spheroid and the disk seat, has eliminated when the spheroid rotates totally and the frictional force between the disk seat, has solved the spheroid that causes because of the frictional force between disk seat and the spheroid and the problem of disk seat damage.
Description
Technical field
The utility model relates to fixing ball valve technical field, especially relates to a kind of fixing ball valve with electromagnetic suspension valve seat.
Background technique
Fixing ball valve is commercial Application one of valve (door) the most widely.Fixing ball valve comprises valve body, spheroid, valve seat, valve rod and back shaft, and spheroid is provided with through hole, and spheroid is connected with valve rod and back shaft respectively, and valve rod and back shaft are fixed on valve body, and ball position is fixed, and hydrodynamic pressure can not make it produce displacement.Spheroid both sides are valve seats, and valve seat presses to spheroid by means of the thrust of spring and fluid, sets up seal pressure.
The major function of this fixing ball valve cuts off or connects ducted fluid passage, when the through hole of spheroid overlaps with the center line of the passage of valve body, and fixing ball valve standard-sized sheet; When the central axis of the through hole of spheroid and the passage of valve body, fixing ball valve complete shut-down.Usually on valve rod, apply certain torque by handle or drive unit and pass to spheroid, making spheroid 90-degree rotation, to realize the action of fixing ball valve standard-sized sheet or complete shut-down.
Valve is when standard-sized sheet or closed positions, and the sealing surface compact of valve seat, on spheroid, plays the effect of sealing.When spheroid rotates, this impacting force makes to produce frictional force between the sphere of spheroid and the sealing surface of valve seat, this is a kind of harmful frictional force, this frictional force can make the sphere of spheroid and the sealing surface wear of valve seat, finally cause the seal failure of fixing ball valve, and this frictional force also can make to produce very large friction torque during the rotation of spheroid.
In order to reduce this friction, generally adopting and on the surface of spheroid and the sealing surface of valve seat, spray valuable, high-strength wear-resistant alloy or improve machining accuracy.But above-mentioned two kinds of methods all can only reduce the frictional force between the sphere of spheroid and the sealing surface of valve seat, and the damage that this frictional force causes component can not be eliminated completely.
How to reduce to greatest extent and eliminate this harmful frictional force even completely, be the problem of fixing ball valve industry research always, but eliminate this harmful frictional force completely and be not resolved so far.
Model utility content
The purpose of this utility model is to provide a kind of fixing ball valve with electromagnetic suspension valve seat, and to solve the existing fixing ball valve with electromagnetic suspension valve seat in the process of opening and closing, the sphere of spheroid and the sealing surface of valve seat exist the technical problem of frictional force.
The utility model provides a kind of fixing ball valve having electromagnetic suspension valve seat, comprising:
Valve body;
Valve gap, is sealedly connected on the both sides of described valve body;
Spheroid, is positioned at described valve body and can rotates relative to valve body;
Valve seat, is positioned at the both sides of described spheroid and is positioned at described valve gap;
Fixed electromagnet, is fixedly installed on described valve gap;
Movable electro-magnet, is fixedly installed on described valve seat, and is oppositely arranged with described fixed electromagnet, and the polarity of described movable electro-magnet and described fixed electromagnet one end respect to one another is contrary.
Described valve seat along described spheroid both sides is respectively equipped with described movable electro-magnet, and described movable electro-magnet and described fixed electromagnet one_to_one corresponding are arranged.
Further, described movable electro-magnet and described fixed electromagnet include iron core and are wound around the coil of described iron core, and the iron core of described movable electro-magnet and described fixed electromagnet all adopts silicon steel or soft iron to make.
Further, be provided with seating spring between the outer wall of described valve seat and the inwall of described valve gap, the elastic force of described seating spring makes described seat compression on described spheroid.
Further, between the outer wall of described valve seat and the inwall of described valve gap, seal ring is set.
Further, the described fixing ball valve with electromagnetic suspension valve seat comprises valve rod and back shaft, described valve rod is fixedly connected on the upper end of described spheroid, described back shaft is fixedly connected on the lower end of described spheroid, the center line of described valve rod overlaps with the center line of described back shaft, and described valve rod and back shaft are connected with described valve body slides respectively.
Further, described valve rod is fixedly connected with described spheroid by flat key.
Further, one end of described back shaft embeds in described spheroid, and the other end is through described valve body; The lower end of described valve body is fixedly connected with bottom, the lower end of back shaft described in described bottom shutoff.
Further, the described fixing ball valve with electromagnetic suspension valve seat comprises the stuffing box being arranged on described valve body upper end and the Gland be fixedly connected on above described stuffing box, described stuffing box and described Gland are all set on described valve rod, described stuffing box is built with filler, and described Gland seals the gap between described filler and described valve rod by the filler compressed in described stuffing box.
Further, the outer wall of described valve rod is provided with the step of outwardly convex, and the bottom of described stuffing box is crimped on described step.
The fixing ball valve of what the utility model provided have electromagnetic suspension valve seat, has following beneficial effect:
(1) in the process of fixing ball valve opening and closing, first to the coil electricity of movable electro-magnet and fixed electromagnet, valve seat is made to depart from spheroid, be in state of suspension, and then rotating sphere, now valve seat suspends and does not contact with spheroid, just frictional force is not had between spheroid and valve seat, therefore, the utility model completely eliminates frictional force when spheroid rotates and between valve seat, solve the problem of spheroid because the frictional force between valve seat and spheroid causes and valve seat damage, extending the working life of this fixing ball valve greatly, is the breakthrough of fixing ball valve design concept.
(2) because spheroid is when rotating, and there is no frictional force between valve seat, just friction torque is not had yet, therefore only need the device of rotation driving of little moment of torsion that spheroid can be made to rotate, and expensive high pulling torque drive unit (some fixing ball valve drive unit price is even greater than the price of fixing ball valve itself) need not be used, reduce cost of production, be easy to use and promote.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is mode of executions more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation with the fixing ball valve of electromagnetic suspension valve seat that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the partial enlarged drawing one (spheroid and valve seat are in sealing state) of Fig. 1;
Fig. 3 is the partial enlarged drawing two (spheroid and valve seat are in disengaged position) of Fig. 1.
Reference character:
1-spheroid; 2-bottom;
3-back shaft; 4-valve body;
5-valve seat; 6-seating spring;
7-seal ring; 8-movable electro-magnet;
9-fixed electromagnet; 10-set screw;
11-valve gap; 12-flat key;
13-valve rod; 14-stuffing box;
15-Gland; 16-filler;
17-gap.
Embodiment
Be clearly and completely described the technical solution of the utility model below in conjunction with accompanying drawing, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.Wherein, term " primary importance " and " second place " are two different positions.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
The structural representation with the fixing ball valve of electromagnetic suspension valve seat that Fig. 1 provides for the utility model embodiment; Fig. 2 is the partial enlarged drawing one (spheroid 1 and valve seat 5 are in sealing state) of Fig. 1; Fig. 3 is the partial enlarged drawing two (spheroid 1 and valve seat 5 are in disengaged position) of Fig. 1.
As shown in Figure 1 to Figure 3, the utility model provides a kind of fixing ball valve with electromagnetic suspension valve seat, comprising: valve body 4; Valve gap 11, is sealedly connected on the both sides of described valve body 4; Spheroid 1, is positioned at described valve body 4 (in FIG, spheroid 1 is positioned at valve body 4 central authorities) and can rotates relative to valve body 4; Valve seat 5, is positioned at the both sides of described spheroid 1 and is positioned at described valve gap 11; Fixed electromagnet 9, is fixedly installed on described valve gap 11; Movable electro-magnet 8, be fixedly installed on described valve seat 5, and be oppositely arranged with described fixed electromagnet 9, the polarity of described movable electro-magnet 8 and described fixed electromagnet 9 one end respect to one another is contrary, in FIG, the right-hand member of movable electro-magnet 8 is relative with the left end of fixed electromagnet 9, and the polarity of the right-hand member of movable electro-magnet 8 is contrary with the polarity of the left end of fixed electromagnet 9.Particularly, see Fig. 1, when the right-hand member of movable electro-magnet 8 is N pole, the left end of fixed electromagnet 9 is S pole; Otherwise when the right-hand member of movable electro-magnet 8 is S pole, the left end of fixed electromagnet 9 is N pole.
The fixing ball valve of what the utility model provided have electromagnetic suspension valve seat, comprise movable electro-magnet 8 and fixed electromagnet 9, before spheroid 1 rotates, valve seat 5 sealing pressing on spheroid 1 (see Fig. 2), when needs rotating sphere 1, first to the coil electricity of movable electro-magnet 8 and fixed electromagnet 9, because the polarity of movable electro-magnet 8 and fixed electromagnet 9 one end respect to one another is contrary, according to there is a natural attraction between the sexes law, electromagnetic force is produced between movable electro-magnet 8 and fixed electromagnet 9, movable electro-magnet 8 and fixed electromagnet 9 is made to have the trend moved towards one another, but because fixed electromagnet 9 is fixed on can not move on valve gap 11, when the electromagnetic force that movable electro-magnet 8 is subject to (in Fig. 1, electromagnetic force direction is towards the right side) is greater than the pretightening force sum of hydrodynamic pressure (in Fig. 1, electromagnetic force direction is towards a left side) and spring, movable electro-magnet 8 moves towards fixed electromagnet 9, because valve seat 5 is fixedly connected with movable electro-magnet 8, therefore valve seat 5 moves towards fixed electromagnet 9 jointly with movable electro-magnet 8, valve seat 5 is made to depart from spheroid 1 gradually, when the electromagnetic force that movable electro-magnet 8 is subject to and the thrust of fluid and the pretightening force sum of spring balance, gap 17 (see Fig. 3) is there is between spheroid 1 and valve seat 5, valve seat 5 is in state of suspension and does not contact spheroid 1, now rotating sphere 1 again, because spheroid 1 does not contact with valve seat 5, therefore the harmful frictional force between spheroid 1 and valve seat 5 is completely eliminated.After spheroid 1 rotates 90 degree, the coil blackout of movable electro-magnet 8 and fixed electromagnet 9, electromagnetic force disappears, and valve seat 5 presses to spheroid 1 under the acting in conjunction of the thrust of fluid and the pretightening force of spring, and is finally close to spheroid 1, recovers sealing function.
The fixing ball valve of what the utility model provided have electromagnetic suspension valve seat, has following beneficial effect:
(1) in the process of fixing ball valve opening and closing, first to the coil electricity of movable electro-magnet 8 and fixed electromagnet 9, valve seat 5 is made to depart from spheroid 1, be in state of suspension, and then rotating sphere 1, now valve seat 5 suspends and does not contact with spheroid 1, just frictional force is not had between spheroid 1 and valve seat 5, therefore, the utility model completely eliminates frictional force when spheroid 1 rotates and between valve seat 5, solve the problem that spheroid 1 because the frictional force between valve seat 5 and spheroid 1 causes and valve seat 5 damage, extend the working life of this fixing ball valve greatly, it is the breakthrough of fixing ball valve design concept.
(2) because spheroid 1 is when rotating, and there is no frictional force between valve seat 5, just friction torque is not had yet, therefore only need the device of rotation driving of little moment of torsion that spheroid 1 can be made to rotate, and expensive high pulling torque drive unit (some fixing ball valve drive unit price is even greater than the price of fixing ball valve itself) need not be used, reduce cost of production, be easy to use and promote.
As shown in Figure 1, the bilateral symmetry of valve body 4 is provided with two valve seats 5 and two valve gaps 11.Two valve gaps 11 can be fixedly connected with valve body 4 by bolt.Movable electro-magnet 8 can be embedded on valve seat 5, and such as valve seat 5 is provided with U-type groove, and movable electro-magnet 8 is arranged in this U-type groove, to realize being fixedly connected with of movable electro-magnet 8 and valve seat 5.Fixed electromagnet 9 can embed in valve gap 11, also can be fixedly connected in valve gap 11 with set screw 10.
In the present embodiment, the valve seat 5 along described spheroid 1 both sides is respectively equipped with described movable electro-magnet 8, and described movable electro-magnet 8 is arranged with described fixed electromagnet 9 one_to_one corresponding.As shown in Figure 1, the right side correspondence of the movable electro-magnet 8 of each valve seat 5 upper end is provided with a fixed electromagnet 9, the right side correspondence of the movable electro-magnet 8 of valve seat 5 lower end is provided with a fixed electromagnet 9, when the coil electricity of movable electro-magnet 8 and fixed electromagnet 9, the electromagnetic attraction be subject to the right of valve seat 5, the overall uniform force of valve seat 5, valve seat 5 is to right translation, avoid the phenomenon that valve seat 5 offsets, ensure that valve seat 5 fully can depart from spheroid 1.
Preferably, described movable electro-magnet 8 and described fixed electromagnet 9 include iron core and are wound around the coil of described iron core, the iron core of described movable electro-magnet 8 and described fixed electromagnet 9 all adopts silicon steel or soft iron to make, due to silicon steel or soft iron material demagnetization very fast, produce strong magnetic force during coil electricity, valve seat 5 departs from spheroid 1; Demagnetization immediately after power-off, valve seat 5 is close to spheroid 1, keeps sealing.
Preferably, described movable electro-magnet 8 and described fixed electromagnet 9 are bar shaped or ungulate shape, are more prone to magnetization to make iron core.
In the present embodiment, be provided with seating spring 6 between the outer wall of described valve seat 5 and the inwall of described valve gap 11, the elastic force of described seating spring 6 makes described valve seat 5 be pressed on described spheroid 1.As shown in Figure 2, valve seat 5 and valve gap 11 one side respect to one another are step surface, the step surface of valve gap 11 has the equally distributed multiple circular hole of circumference along valve gap 11, one end of seating spring 6 is placed in the circular hole of valve gap 11, between the step end face that seating spring 6 is compressed in described valve seat 5 and the corresponding flat of described valve gap 11.The fixing ball valve of what the present embodiment provided have electromagnetic suspension valve seat, before spheroid 1 rotates, valve seat 5 sealing pressing on spheroid 1 (see Fig. 2), when needs rotating sphere 1, first to movable electro-magnet 8 and fixed electromagnet 9 coil electricity, movable electro-magnet 8 and fixed electromagnet 9 coil generating electromagnetic power, and the polarity of movable electro-magnet 8 and fixed electromagnet 9 coil one end respect to one another is contrary, according to the electromagnetic force principle that there is a natural attraction between the sexes, electromagnetic attraction is produced between movable electro-magnet 8 and fixed electromagnet 9, this electromagnetic attraction is contrary with the thrust direction of fluid with the elastic force of seating spring 6, when this electromagnetic attraction is greater than the elastic force sum of hydrodynamic pressure and seating spring 6, valve seat 5 is pulled to the direction of fixed electromagnet 9 by this electromagnetic attraction.Along with valve seat 5 moves towards fixed electromagnet 9, the elastic force of seating spring 6 increases gradually, when this electromagnetic attraction equals the thrust sum of the elastic force of seating spring 6 and fluid, form a kind of dynamic balance, there is gap 17 (see Fig. 3) between spheroid 1 and valve seat 5, make valve seat 5 suspend and not contact spheroid 1, now rotating sphere 1 again, because spheroid 1 does not contact with valve seat 5, therefore completely eliminate the harmful frictional force between spheroid 1 and valve seat 5.After spheroid 1 rotates 90 degree, movable electro-magnet 8 and fixed electromagnet 9 coil blackout, electromagnetic force disappears, and valve seat 5 presses to spheroid 1 under the elastic force of seating spring 6 and the thrust of fluid, and is finally close to spheroid 1, recovers sealing state.
Preferably, one end of seating spring 6 contacts with the step end face of described valve seat 5, and the other end contacts with the corresponding flat of described valve gap 11.Depart to prevent seating spring 6, seating spring 6 is placed in the circular hole of valve gap, one end of seating spring 6 embeds in the circular hole of valve gap, the other end of seating spring 6 contacts with valve seat 5 step end face,, the two ends of seating spring 6 are all limited, make seating spring 6 in the process of distortion, all the time be connected with valve seat 5 and valve gap 11, ensure that the elastic force of seating spring 6 makes described valve seat 5 be pressed on described spheroid 1.
More preferably, in order to improve the sealing between valve seat 5 and valve gap 11, between the outer wall of described valve seat 5 and the inwall of described valve gap 11, seal ring 7 is set.Seal ring 7 preferably adopts the good rubber seal 7 of elasticity.Seal ring 7 can arrange multiple, and multiple seal ring 7 spacing side by side is set on valve seat 5, is sealed in the gap 17 between valve seat 5 and valve gap 11, ensures not reveal.
In the present embodiment, the fixing ball valve with electromagnetic suspension valve seat comprises valve rod 13 and back shaft 3, described valve rod 13 and back shaft 3 are fixedly connected on the two ends (i.e. upper and lower two ends) of described spheroid 1, and the direction of both ends (above-below direction namely in Fig. 1) of described spheroid 1 is vertical with two side directions (left and right directions namely in Fig. 1) of described spheroid 1.As shown in Figure 1, described valve rod 13 is fixedly connected on the upper end of described spheroid 1, described back shaft 3 is fixedly connected on the lower end of described spheroid 1, the center line of described valve rod 13 overlaps with the center line of described back shaft 3, described valve rod 13 and back shaft 3 are slidably connected with described valve body 4 respectively, can rotate relative to valve body 4 to make valve rod 13 and back shaft 3, because valve rod 13 and back shaft 3 are spacing by valve body 4 respectively, therefore the pressure of fluid and the elastic force of seating spring 6 can not make spheroid 1 produce displacement, safe and reliable.When valve rod 13 is column with back shaft 3, valve rod 13 and back shaft 3 coaxial inner conductor are arranged.Valve rod 13 drives spheroid 1 and back shaft 3 jointly to rotate relative to valve body 4, is in standard-sized sheet or full off state to make this fixing ball valve.
Particularly, see Fig. 1, described valve rod 13 is fixedly connected with described spheroid 1 by flat key 12.Valve rod 13 is provided with keyway with the outer surface of one end that spheroid 1 is connected, and the length direction of keyway is parallel with the length direction of valve rod 13, the rotation uniform and stable of valve rod 13 can be passed to spheroid 1 by flat key 12, makes spheroid 1 valve rod 13 synchronous axial system.
See Fig. 1, one end of described back shaft 3 embeds in described spheroid 1 (one end of back shaft 3 can with spheroid 1 interference fit), and the other end of back shaft 3 is through described valve body 4; The lower end of described valve body 4 is fixedly connected with bottom 2, the lower end of back shaft 3 described in the shutoff of described bottom 2.Bottom 2 plays the lower end of barrier support axle 3, prevents back shaft 3 from the effect of axial displacement occurring.
In the present embodiment, the fixing ball valve with electromagnetic suspension valve seat comprises the stuffing box 14 being arranged on described valve body 4 upper end and the Gland 15 be fixedly connected on above described stuffing box 14, described stuffing box 14 and described Gland 15 are all set on described valve rod 13, described stuffing box 14 is built with filler 16, described Gland 15 seals the gap between described filler 16 and described valve rod 13 by the filler 16 compressed in described stuffing box 14, particularly, Gland 15 compresses the filler 16 in stuffing box 14, filler 16 elastic expansion is deformed, thus the gap of eliminating between filler 16 and valve rod 13, play seal action.As shown in Figure 1, stuffing box 14 can be connected by stud with Gland 15.
Preferably, the outer wall of described valve rod 13 is provided with the step of outwardly convex, and the bottom of described stuffing box 14 is crimped on described step.This step can prevent valve rod 13 from producing longitudinally (i.e. the length direction of valve rod 13) displacement under the pressure of fluid and flying out from valve body 4, ensure that the safety and reliability of this fixing ball valve.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristics; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment's technological scheme of the utility model.
Claims (10)
1. there is a fixing ball valve for electromagnetic suspension valve seat, it is characterized in that, comprising:
Valve body;
Valve gap, is sealedly connected on the both sides of described valve body;
Spheroid, is positioned at described valve body and can rotates relative to valve body;
Valve seat, is positioned at the both sides of described spheroid and is positioned at described valve gap;
Fixed electromagnet, is fixedly installed on described valve gap;
Movable electro-magnet, is fixedly installed on described valve seat, and is oppositely arranged with described fixed electromagnet, and the polarity of described movable electro-magnet and described fixed electromagnet one end respect to one another is contrary.
2. the fixing ball valve with electromagnetic suspension valve seat according to claim 1, is characterized in that, the described valve seat along described spheroid both sides is respectively equipped with described movable electro-magnet, and described movable electro-magnet and described fixed electromagnet one_to_one corresponding are arranged.
3. the fixing ball valve with electromagnetic suspension valve seat according to claim 1, it is characterized in that, described movable electro-magnet and described fixed electromagnet include iron core and are wound around the coil of described iron core, and the iron core of described movable electro-magnet and described fixed electromagnet all adopts silicon steel or soft iron to make.
4. the fixing ball valve with electromagnetic suspension valve seat according to claim 1, is characterized in that, is provided with seating spring between the outer wall of described valve seat and the inwall of described valve gap, and the elastic force of described seating spring makes described seat compression on described spheroid.
5. the fixing ball valve with electromagnetic suspension valve seat according to claim 1, is characterized in that, arranges seal ring between the outer wall of described valve seat and the inwall of described valve gap.
6. the fixing ball valve with electromagnetic suspension valve seat according to any one of claim 1-5, it is characterized in that, comprise valve rod and back shaft, described valve rod is fixedly connected on the upper end of described spheroid, described back shaft is fixedly connected on the lower end of described spheroid, the center line of described valve rod overlaps with the center line of described back shaft, and described valve rod and back shaft are connected with described valve body slides respectively.
7. the fixing ball valve with electromagnetic suspension valve seat according to claim 6, is characterized in that, described valve rod is fixedly connected with described spheroid by flat key.
8. the fixing ball valve with electromagnetic suspension valve seat according to claim 6, is characterized in that, one end of described back shaft embeds in described spheroid, and the other end is through described valve body; The lower end of described valve body is fixedly connected with bottom, the lower end of back shaft described in described bottom shutoff.
9. the fixing ball valve with electromagnetic suspension valve seat according to claim 6, it is characterized in that, comprise the stuffing box being arranged on described valve body upper end and the Gland be fixedly connected on above described stuffing box, described stuffing box and described Gland are all set on described valve rod, described stuffing box is built with filler, and described Gland seals the gap between described filler and described valve rod by the filler compressed in described stuffing box.
10. the fixing ball valve with electromagnetic suspension valve seat according to claim 9, is characterized in that, the outer wall of described valve rod is provided with the step of outwardly convex, and the bottom of described stuffing box is crimped on described step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520592454.2U CN204922069U (en) | 2015-08-07 | 2015-08-07 | Fixed ball valve with electromagnetic suspension disk seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520592454.2U CN204922069U (en) | 2015-08-07 | 2015-08-07 | Fixed ball valve with electromagnetic suspension disk seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204922069U true CN204922069U (en) | 2015-12-30 |
Family
ID=54971198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520592454.2U Withdrawn - After Issue CN204922069U (en) | 2015-08-07 | 2015-08-07 | Fixed ball valve with electromagnetic suspension disk seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204922069U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065705A (en) * | 2015-08-07 | 2015-11-18 | 岳阳东方自控工程设备有限公司 | Fixed ball valve with electromagnetic suspension valve bases |
| CN114935025A (en) * | 2022-07-21 | 2022-08-23 | 四川蓝梵环保科技有限公司 | One-way valve and sealing mechanism thereof |
-
2015
- 2015-08-07 CN CN201520592454.2U patent/CN204922069U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065705A (en) * | 2015-08-07 | 2015-11-18 | 岳阳东方自控工程设备有限公司 | Fixed ball valve with electromagnetic suspension valve bases |
| CN114935025A (en) * | 2022-07-21 | 2022-08-23 | 四川蓝梵环保科技有限公司 | One-way valve and sealing mechanism thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151230 Effective date of abandoning: 20180102 |