Utility model content
In order to solve the problem of above-mentioned prior art is present, the utility model provides a kind of opening/closing controllable, good sealing effect
And the big electric control valve of circulation area.
A kind of electric control valve is provided according to the utility model, including:Bonnet;Flange, the flange is located at the bonnet
Top, the flange is provided with opening, and the opening is the valve port of the electric control valve, and the flange also has a central axis;
Accommodating chamber, positioned at the top of the flange;First limit switch and the second limit switch are contained in the accommodating chamber, and described
One limit switch and second limit switch are arranged at intervals in the central axial direction;Movable member, through described
Flange and set and can be moved in the central axial direction, described movable member one end be provided with retainer, it is described removable
The relative other end of dynamic component is connected with the bonnet, and the retainer is positioned at first limit switch and described second spacing
Between switch;Drive device, drives the movable member to be moved in the central axial direction;Wherein, the retainer
Touch first limit switch and the bonnet is fitted and is closed with the flange, the retainer touches institute
State the second limit switch and the bonnet is separated with the flange in open mode.
Preferably, the first magnetic element is provided with the flange, the bonnet is set towards the side of the flange
There is the second magnetic element, second magnetic element and the first magnetic element magnetic are attracting, closed when the bonnet is in
During state, second magnetic element is closely connected with first magnetic element by magnetic attraction, for make the bonnet with
The closed laminating of the flange.
Preferably, the quantity of first magnetic element and second magnetic element is respectively four, four described
One magnetic element is uniformly distributed in the inner circle circumferential direction of the flange, four second magnetic elements correspondences four described the
One magnetic element and set.
Preferably, the accommodating chamber has four side walls, four side walls be mutually perpendicular to two-by-two and with the center
Diameter parallel.
Preferably, in the top of four first magnetic elements, the correspondence installing four on the inner periphery of the flange
Fixed support arm, connection corresponding with four side walls supports the accommodating chamber to four fixed support arms with firm respectively.
Preferably, four side walls include the first side wall and the second sidewall relative with the first side wall, and described the
One limit switch and second limit switch are installed in the inner side of the first side wall, and the drive device be installed in it is described
Second sidewall.
Preferably, the drive device includes a motor and the gear being connected with the motor, and the gear is located at
In the accommodating chamber, movable member includes a rack set parallel to the central axis, the gear and the tooth
Bar is connected, and the gear drives the rack to be moved in the central axial direction under the driving of the motor.
Preferably, the drive device includes a motor and the worm gear being connected with the motor, and the worm gear is located at
In the accommodating chamber, movable member includes a worm screw set parallel to the central axis, the worm gear and the snail
Bar is connected, and the worm gear drives the worm screw to be moved in the central axial direction under the driving of the motor.
Preferably, the side of the flange towards the bonnet is provided with elastic tape, and the edge of the bonnet is described in
Flange side is convexly equipped with seal convexity, and the seal convexity is attached at the periphery of the elastic tape so that the bonnet with it is described
Flange tight closure.
Preferably, the bonnet is circular structure, and the bonnet is provided with many reinforcements towards the side of the flange, many
Reinforcement described in root is radially distributed and converges at the center of the bonnet, and the movable member is installed in the bonnet
Center.
Preferably, the electric control valve also include a control device, the control device by cable respectively with the electricity
Machine, first limit switch and second limit switch electrical connection, to control the motor to be stopped in good time.
The first magnetic attracted each other is set respectively according to the electric control valve of the utility model embodiment in flange and bonnet
Element and the second magnetic element, the seal of valve is enhanced using the magnetic attraction between magnetic element.And due to first spacing
Spacing is adjustable between switch and the second limit switch, thus can be according to the circulation area of different use environment control valves.
Embodiment
The utility model is described below based on embodiment, but the utility model is not restricted to these implementations
Example.It is detailed to describe some specific detail sections below in the detailed description of the utility model embodiment, to this area
The description of part can also understand the utility model completely without these details for technical staff.In order to avoid obscuring this practicality
New essence, known method, process, flow are not described in detail.
In various figures, identical element, which is adopted, will be referred to by like reference numbers expression.For the sake of clarity, in accompanying drawing
Various pieces are not necessarily to scale.In addition, may not shown some known parts in figure.Flow chart, frame in accompanying drawing
Figure illustrates possible System Framework, function and the operation of the system, method, circuit of embodiment of the present utility model, accompanying drawing
Square frame and square frame order are used only to the process and step of preferably diagram embodiment, without should be in this, as to utility model
The limitation of itself.
Fig. 1 shows the decomposition chart for the electric control valve that the embodiment of the present disclosure is provided.Fig. 2 shows that the embodiment of the present disclosure is carried
Structure chart during the electric control valve open mode of confession.Fig. 3 shows the knot for the electric control valve closed mode that the embodiment of the present disclosure is provided
Composition.As shown in Figure 1 to Figure 3, the electric control valve that the embodiment of the present disclosure is provided includes bonnet 101, flange 102, fixed support arm
113rd, the first magnetic element 104, the second magnetic element 116, movable member, drive device, control device, the first limit switch
110th, the second limit switch 109, upper plate 112, the first side wall 108, second sidewall 111, the 3rd side wall and the 4th side wall.
The flange 102 is provided with opening, and the opening corresponds to the valve port of the electric control valve, around the flange 102
Edge be provided with multiple mounting holes, the electric control valve is connected via the mounting hole by screw with external device (ED), outside
Device can be inflatable material or fluid pipeline etc..The flange 102 is additionally provided with four the first magnetic elements 104 and elastic tape
103, four first magnetic elements 104 are uniformly distributed in the inner circle circumferential direction of the flange 101, the elastic tape 103
The flange 102 is arranged at towards the side of the bonnet 101, the flange 102 also has a central axis.
The bonnet 101 is circular structure, and the edge of the bonnet 101 is convexly equipped with sealing towards the side of flange 102
Projection, the seal convexity is attached at the periphery of the elastic tape 103 so that the bonnet 101 is closely closed with the flange 102
Close.In other embodiment, the seal convexity can also be absorbed in the elastic tape 103 and make the bonnet 101 and the flange
Closure between 102 is more sealed.In addition, the side of the bonnet 101 towards the flange 102 is provided with many reinforcements,
The many reinforcements are radially distributed and converge at the center of the bonnet 101, and the setting of the reinforcement strengthens institute
The intensity for stating bonnet 101 is allowed to be unlikely to deform.The side of the bonnet 101 towards the flange 102 is provided with four the second magnetic
Property element 116, second magnetic element 116 is set corresponding to first magnetic element 104, first magnetic element
104 and second magnetic element 116 it is attracting.
In the disclosed embodiments, first magnetic element 104 and second magnetic element 116 are opposite polarity
Magnet, due to being attracted each other between opposite pole so that produce larger pretension between the flange 102 and the bonnet 101
Power, better seal effect can be obtained when the electric control valve is closed.In alternate embodiment of the present utility model, described
One magnetic element 104 is iron block, and second magnetic element 116 is magnet;Or first magnetic element 104 is magnet, institute
The second magnetic element 116 is stated for iron block.
The first side wall 108, second sidewall 111, the 3rd side wall, the 4th side wall and upper plate 112 constitute accommodating chamber, institute
State accommodating chamber and be located at the top of flange 102, the first side wall 108, second sidewall 111, the 3rd side wall and the 4th side wall
Be mutually perpendicular to two-by-two and with the centerline axis parallel.Wherein, the first side wall 108 and the second sidewall 111 are relative
Set, the inner side of the first side wall 108 is equiped with first limit switch 110 and second limit switch 109, described the
One limit switch 110 and second limit switch 109 are arranged at intervals in the central axial direction, further, described
First limit switch 110 and second limit switch 109 are being arranged and on same vertical curve, are changing an angle one on the other
Say, the projection weight of first limit switch 110 and second limit switch 109 in the plane where the flange 102
Close.Preferably, the chute of vertical direction, first limit switch 110 and described are provided with the inner side of the first side wall 108
The installation portion of second limit switch 109 is located in chute and can slided in chute, is easily installed in debugging process to described the
The height and position of one limit switch 110 and second limit switch 109 is adjusted.In course of normal operation, described
One limit switch 110 and second limit switch 109 are fixed on the first side wall 108 by fasteners such as screws, and
Spacing distance between first limit switch 110 and second limit switch 109 just determines constant after debugging is good.
In preferred scheme, two the first limit switches 110 are used for first group of switch, and two the second limit switches 109 are the
Two groups of switches, first group of switch and second group of switch are arranged at intervals one on the other, when one of limit switch breaks down
Another limit switch of same position can be standby to ensure whole electric control valve normal work.In addition, the second sidewall 111
Upper fixation is equiped with drive device.In the top of first magnetic element 104, the correspondence on the inner periphery of the flange 102
Four fixed support arms 113 are provided with, connection corresponding with four side walls is described to consolidate respectively for four fixed support arms 113
Accommodating chamber.It can be connected through a screw thread, weld or other manner is connected between fixed support arm 113 and side wall, not with this
Embodiment is limited.
The movable member is contained in the accommodating chamber through the flange 102, and can be in the central axis side
Move up, described movable member one end is provided with retainer 106, the movable member other end is connected to the bonnet
101 center, in order to avoid occur crooked situation when valve is closed and influence the sealing of closure.
In the disclosed embodiments, the drive device includes a motor 104 and the tooth being connected with the motor 104
Wheel 107, the motor 104 is mounted on the second sidewall 111, and the gear 107 is located in the accommodating chamber.It is described can
Mobile member includes a rack 105, and the rack 105 is set parallel to the central axis, the gear 107 and the tooth
Bar 105 is intermeshed, and the gear 107 drives the rack 105 in the central axis side under the driving of the motor 104
Move up, so that the electric control valve is opened and closed.
In other alternate embodiment, the drive device includes a motor and the snail being connected with the motor
Wheel, the worm gear is located in the accommodating chamber, and the movable member includes a worm screw, and the worm screw is parallel to the central shaft
Line and set, the worm gear and the worm screw cooperate, and the worm gear drives the worm screw to exist under the driving of the motor
Moved in the central axial direction, so that the electric control valve is opened and closed.
The control device 115 by cable 114 respectively with the motor 104, first limit switch 110, described
Second limit switch 109 is electrically connected, to control the motor 104 to be stopped when the electric control valve is opened and closed.
As shown in Fig. 2 when the control device 115 sends the instruction for opening valve, the motor 104 drives the tooth
Wheel 107 rotates and drives the rack 105 to move downward so that the bonnet 101 is along the central axial direction towards remote
The direction of flange 102 motion, the electric control valve is opened.Wherein, the control device 115 send OPEN it is lasting when
Between it is different, the working time of motor 104 is different, and the opening degree that electric control valve is opened is also different, within the specific limits the time longer open
It is right bigger.To ensure that opening degree is not excessive, a retainer 106 is connected with the rack 105, the retainer 106 is downward
Motion contact is to second limit switch 109, and the motor 104 stops operating, and current location is the maximum of electric control valve
Opening degree.Certainly, can be by adjusting spacing distance and increase institute between the first limit switch 110 and the second limit switch 109
The length of rack 105 is stated to increase the maximum opening degree of electric control valve.
As shown in figure 3, when the control device 115 sends the instruction for closing valve, driving the opposite direction of motor 104
Rotate, the bonnet 101 is moved along the central axial direction towards close to the direction of flange 102, when the bonnet 101
Contacted with each other with the elastic tape 103 that is arranged on the flange 102 when leaving no gaps, electric control valve is to close., the stop bit part
106 touch first limit switch 110, and the motor 104 is stopped, due to the bonnet 101 and the flange 102
Apart from it is close when, described installed on first magnetic element 104 and the bonnet 101 installed on the flange 102
Two magnetic elements 116 are attracted each other so that the seal convexity of the bonnet 101 and elastic tape 103 on the flange 102 are mutual
It is brought into close contact and leaves no gaps the bonnet 101 and the contact of the flange 102, i.e., electric control valve is closed.Wherein, described
Attraction is moderate between one magnetic element 104 and second magnetic element 116, should be wide enough so that the energy of bonnet 101
The elastic tape 103 on flange 102 is tight contacted between, the pressure that inner side High Voltage is caused can be resisted, again can not be excessive, more than the electricity
The turning power of machine 104.
The electric control valve provided relative to prior art, the embodiment of the present disclosure, first, by improving bonnet, around described
Bonnet edge sets seal convexity, closed between the contact area for reducing bonnet and elastic tape, and utilization magnetic element
Pretightening force, the air-tightness of poppet;Secondly, by improving the opening and closing motion mode of valve, opening degree is controllable, it is possible to increase valve
Circulation area;Again, by reducing redundant structure, weight is reduced;Finally, due to fixation support arm in this programme, first
Limit switch, the second limit switch, drive device and movable control etc. are arranged at close to valve center, away from method
Mounting hole on orchid, gathers overall center of gravity, it is ensured that integrally-built stability.Install direct to connecting outside during electric control valve
The mounting hole of device relevant position, coats fluid sealant and is screwed, convenient to install, while being also convenient for dismounting.Here
External device (ED) can be the fluid lines such as the air bag or liquid of aerostatics, and other can use the device of electric control valve.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
According to embodiment of the present utility model as described above, these embodiments do not have all details of detailed descriptionthe,
Also it is only described specific embodiment not limit the utility model.Obviously, as described above, many modifications and change can be made
Change.This specification is chosen and specifically describes these embodiments, be in order to preferably explain principle of the present utility model and it is actual should
With so that skilled artisan can repairing using the utility model and on the basis of the utility model well
Change and use.The utility model is only limited by claims and its four corner and equivalent.