CN206112096U - Stifled electromechanical valve of gear drive and gas table of changeing of two -way nothing of small -size low pressure loss type - Google Patents
Stifled electromechanical valve of gear drive and gas table of changeing of two -way nothing of small -size low pressure loss type Download PDFInfo
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- CN206112096U CN206112096U CN201620995635.4U CN201620995635U CN206112096U CN 206112096 U CN206112096 U CN 206112096U CN 201620995635 U CN201620995635 U CN 201620995635U CN 206112096 U CN206112096 U CN 206112096U
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Abstract
The utility model provides a stifled electromechanical valve of gear drive and gas table of changeing of two -way nothing of small -size low pressure loss type belongs to gas table field, and the stifled electromechanical valve of gear drive that changes of the two -way nothing of small -size low pressure loss type includes connecting cylinder, sealed cap and case, and the connecting cylinder has the passageway that supplies gas flow, and the passageway has into the gas end and the end of giving vent to anger, and the end of giving vent to anger is installed on the case, and the sealed cap lies in the passageway, and the sealed cap is connected in the actuating mechanism drive of case, orders about the sealed cap and opens or close the end of giving vent to anger, the income gas end of connecting cylinder is used for being connected with the section of thick bamboo that admits air of gas table. The gas table is including the stifled electromechanical valve of gear drive that changes of the two -way nothing of this small -size low pressure loss type. The two -way nothing of this small -size low pressure loss type is stifled, and to change the electromechanical valve of gear drive small, is convenient for install on aluminum hull gas table, and the stifled electromechanical valve of gear drive that changes of the two -way nothing of small -size low pressure loss type closely cooperates with aluminum hull gas table, and the pressure loss is little, count more accurate reliably, has improved the application range of the stifled gear drive of the commentaries on classics electromechanics valve of the two -way nothing of small -size low pressure loss type.
Description
Technical field
The utility model is related to gas meter, flow meter field, two-way without stall gear in particular to a kind of small low-voltage damage type
Transmission electromechanical valve and gas meter, flow meter.
Background technology
At present, the electromechanical valve that gas meter, flow meter is adopted substantially has three kinds of structures, and one is that electromechanical valve passes through the forward and reverse rotation of motor,
Gear driven worm screw, while catch bar is moved in worm spiral groove, realizes opening and closing for valve, but this kind of structure is carried without unloading
Put, forward and backward is afterwards in place stall, and its load is also larger, can so cause control circuit electric current big, and power consumption is big.And
And the reliability of the control circuit of master controller valve can be also affected, shorten the service life of battery in controller, and close valve and adopted
Storage capacitor value also can be very big, and malleation closes valve, closes valve unreliable.Two is, by the forward and reverse rotation of motor, to drive fan-shaped
Tooth is rotated, and reaches the function of blocking rotation and quick closedown.Adopt in speed-changing gear box above by oscillating deck and oscillating deck
Anti-blocking rotation mechanism and sector gear that wobble gear is constituted, the fixed wobble gear in oscillating deck top is wanted to engage with sector gear
Oscillating deck is coordinated to swing the function of the blocking rotation for realizing electromechanical valve.The wobble gear fixed due to oscillating deck and its top and sector
The structure that gear is meshed can not realize complete forward and reverse unloading.Three is, by the forward and reverse rotation of motor, to rotate with imperfect tooth,
Reach the function of blocking rotation and quick closedown.Ratchet doubly-linked gear is installed, coordinates the locking and unblock of imperfect gear and closing piece,
All be capable of achieving to unload completely in motor forward and reverse, because this electromechanical valve core is installed in inside the shell, valve element with it is outer
Enough spaces must be retained between shell, air-flow just can be smoothly passed over, electromechanical valve is just unlikely to the excessive impact combustion of the pressure loss
Gas meter performance, so electromechanical valve overall volume is larger, it is impossible in aluminum hull gas meter, flow meter.
Inventor has found that under study for action traditional electromechanical valve at least has the disadvantage that in use：
Traditional electromechanical valve cannot be arranged on aluminum hull gas meter, flow meter because volume is big, and the use range of electromechanical valve is subject to pole
Big restriction.
Utility model content
The purpose of this utility model is that a kind of small low-voltage damage type of offer is two-way without stall gear drive electromechanical valve, to change
The volume of kind traditional electromechanical valve leads to not greatly the problem being arranged on aluminum hull gas meter, flow meter.
The purpose of this utility model also resides in a kind of gas meter, flow meter of offer, and with the volume for improving traditional electromechanical valve nothing is caused greatly
Method is arranged on the problem on aluminum hull gas meter, flow meter.
What embodiment of the present utility model was realized in：
Based on above-mentioned first purpose, it is two-way without stall gear drive machine that the utility model provides a kind of small low-voltage damage type
Electric valve, it includes connecting cylinder, seal cap and valve element, wherein：
The connecting cylinder has the passage that supplied gas circulate, and the passage has air inlet end and outlet side, the outlet
End is arranged on the valve element, and the seal cap is located in the passage, close described in the drive mechanism drive connection of the valve element
Sealing cap, orders about the seal cap and is turned on or off the outlet side；The air inlet end of the connecting cylinder is used to enter with gas meter, flow meter
Inflator connects.
In the utility model preferred embodiment, the outer peripheral face of the connecting cylinder is provided with position limiting structure, the connection
The outer peripheral face of cylinder is arranged with sealing ring, the position limiting structure be used to limiting the sealing ring along the connecting cylinder axis direction by
Motion of the air inlet end towards the outlet side.
In the utility model preferred embodiment, the position limiting structure includes two spacing rings, per the spacing ring
Protrusion direction is outside along the radial direction of the connecting cylinder, and two spacing rings are spaced along the axis direction of the connecting cylinder
Arrange, the sealing ring is located between two spacing rings.
In the utility model preferred embodiment, the outer peripheral face of the connecting cylinder is provided with multiple lugs, multiple described
Lug along the connecting cylinder circumferential direction interval setting, radial direction convex of each described lug along the connecting cylinder
Go out, the connecting cylinder is connected by multiple lugs with the housing of the valve element；Installing hole is provided with each described lug,
For passing through for screw.
In the utility model preferred embodiment, the lug is provided with two, and two lugs are located at the company
Connect the both sides of the median plane of cylinder and be symmetrical arranged, the outer peripheral face of the connecting cylinder is also equipped with a fixed pin, and one described solid
Pin is determined between two lugs, a fixed pin is connected with the housing of the valve element.
In the utility model preferred embodiment, the seal cap has the sealing and diversion division being oppositely arranged, institute
Sealing is stated for being turned on or off the outlet side, the diversion division is arranged towards the air inlet end on the diversion division
There is at least one inclined-plane.
In the utility model preferred embodiment, the diversion division is set to taper seat, the diameter edge of the taper seat
The axis direction of the connecting cylinder is gradually increased by the air inlet end towards the outlet side.
In the utility model preferred embodiment, the diversion division is set to taper seat, the diameter edge of the taper seat
The axis direction of the connecting cylinder is gradually increased by the air inlet end towards the outlet side, and the diversion division is along the connection
The axis direction of cylinder protrudes the air inlet end.
In the utility model preferred embodiment, the drive mechanism includes eccentric stiffener, drive link and drive sleeve
Manage, sleeve pipe is driven described in the drive end drive connection of the eccentric stiffener, the eccentric stiffener is rotated and makes the transmission sleeve pipe straight
Line is moved, seal cap described in the transmission sleeve pipe connection, drives the seal cap synchronous linear motion, one end of the drive link
The center of the seal cap is fixedly connected on, and the drive link slides and is inserted in the transmission sleeve pipe, the transmission
The drive end of the other end of bar and the eccentric stiffener is along its axis direction interval setting；The drive mechanism also includes spacing
Part, for limit the drive link along its axis direction towards the air inlet end movement tendency.
In the utility model preferred embodiment, the locating part is fixed on the housing of the valve element, the transmission
The tube wall of sleeve pipe is provided with chute, and the end of the locating part is stretched in the chute, the length direction of the chute parallel to
The axis direction of the transmission sleeve pipe, is provided with limited block on the drive link, the limited block is located at the locating part and institute
State between drive end, the locating part is located on the motion path of the limited block.
Based on above-mentioned second purpose, the utility model provides a kind of gas meter, flow meter, including gas meter, flow meter main body and described
Small low-voltage damage type is two-way without stall gear drive electromechanical valve, and the connecting cylinder sealing is plugged in the air inlet of the gas meter, flow meter main body
In cylinder.
The beneficial effect of the utility model embodiment is：
In sum, the utility model embodiment is two-way electromechanical without stall gear drive there is provided a kind of small low-voltage damage type
Valve, its is simple and reasonable, is easy to manufacture processing, manufactures low with installation cost, meanwhile, the small low-voltage damage type is two-way without stall
Gear drive electromechanical valve small volume, is easily installed on aluminum hull gas meter, flow meter, and small low-voltage damage type is two-way without stall gear drive machine
Electric valve is fitted close with aluminum hull gas meter, flow meter, and crushing is little, and count more accurately and reliably, improves small low-voltage damage type two-way without stall
The use range of gear drive electromechanical valve.It is specific as follows：
The small low-voltage damage type that the utility model embodiment is provided is two-way without stall gear drive electromechanical valve, including connection
Cylinder, seal cap and valve element, connecting cylinder is arranged on valve element, while being provided with seal cap in connecting cylinder, seal cap passes through valve
The drive mechanism drive connection of in-core, when the drive mechanism of valve element is moved, drives seal cap to move back and forth, and then connecting cylinder is opened
Open or close, realize being turned on or off for electromechanical valve.Small low-voltage damage type is two-way without stall gear drive electromechanical valve
Connecting cylinder in use, is directly connected with the air inlet of aluminum hull gas meter, flow meter, it is not necessary to air induction mast is arranged in electromechanical valve, is subtracted
The little volume of electromechanical valve, cleverly combines the air inlet of connecting cylinder and aluminum hull gas meter, flow meter, realizes electromechanical valve and aluminium
The connection of shell gas meter, flow meter.Clearly as the volume of electromechanical valve reduces, the installing space of electromechanical valve is little, saves installing space, makes
Scope is wide.
The gas meter, flow meter that the present embodiment is provided, including above-mentioned small low-voltage damage type is two-way without stall gear drive electromechanical valve,
With the two-way all advantages without stall gear drive electromechanical valve of above-mentioned small low-voltage damage type.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the utility model embodiment, below will be to use needed for embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the two-way structure chart without stall gear drive electromechanical valve of small low-voltage damage type of the utility model embodiment；
Fig. 2 is the two-way connecting cylinder without stall gear drive electromechanical valve of small low-voltage damage type of the utility model embodiment
Structure chart；
Fig. 3 is the structure chart of the sealing ring of the utility model embodiment；
Fig. 4 is the structure chart of the seal cap of the utility model embodiment；
Fig. 5 is the two-way structure without stall gear drive electromechanical valve of small low-voltage damage type of the utility model embodiment two
Figure；
Fig. 6 is the two-way driving machine without stall gear drive electromechanical valve of small low-voltage damage type of the utility model embodiment two
The attachment structure figure of structure and seal cap；
Fig. 7 is the two-way application drawing without stall gear drive electromechanical valve of small low-voltage damage type of the utility model embodiment.
In figure：
Connecting cylinder 100, air inlet end 110, outlet side 120,
Seal cap 200, sealing 210, diversion division 220,
Valve element 300,
Spacing ring 400, breach 410,
Lug 500, installing hole 510, fixed pin 600, sealing ring 700, air induction mast 800；
Centre wheel 910, cam pin 920, drive link 930, limited block 931 is driven sleeve pipe 940, chute 941, driving groove
942, locating part 950.
Specific embodiment
At present, the electromechanical valve that IC-card gas meter, flow meter is adopted substantially has three kinds of structures, and one is that electromechanical valve is forward and reverse by motor
Rotate, gear driven worm screw, while catch bar is moved in worm spiral groove, realizes opening and closing for valve；Two be by motor just
Rotate backward, drive sector to rotate, reach the function of blocking rotation and quick closedown.Three is by the forward and reverse rotation of motor, band
Imperfect tooth is rotated, and reaches the function of blocking rotation and quick closedown.The complex structure of above-mentioned various electromechanical valves, volume is big, accounts for
Space is big, is not suitable for being arranged on other gas meter, flow meters such as the less aluminum hull gas meter, flow meter of installing space, reduces electromechanical valve
Use range.
In consideration of it, the utility model designer to devise a kind of small low-voltage damage type two-way without stall gear drive electromechanical valve
And gas meter, flow meter, after the two-way connecting cylinder without stall gear drive electromechanical valve of small low-voltage damage type is improved, by even
Connect cylinder to be directly attached with the air inlet of gas meter, flow meter, it is not necessary to unnecessary air induction mast is arranged in electromechanical valve, electromechanics has been simplified
The structure of valve, reduces the volume of electromechanical valve, and the space that electromechanical valve needs when installing is little, saves installing space, is easy to and aluminium
Shell gas meter, flow meter connects.
It is new below in conjunction with this practicality to make purpose, technical scheme and the advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the utility model, rather than the embodiment of whole.Generally described in accompanying drawing herein and
The component of the utility model embodiment for illustrating can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and is explained in subsequent accompanying drawing.
In description of the present utility model, it should be noted that the orientation or position relationship of the instruction such as term " interior ", " outward "
It is or the orientation usually put when using of the utility model product or position based on orientation shown in the drawings or position relationship
Relation, is for only for ease of description the utility model and simplifies description, rather than indicates or imply that the device or element of indication must
Must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected,
Or be integrally connected；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to by intermediary
It is indirectly connected to, can is the connection of two element internals.For the ordinary skill in the art, can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
Small low-voltage damage type is two-way without stall gear drive electromechanical valve embodiment one
Fig. 1-Fig. 4 is referred to, it is two-way without stall gear drive electromechanical valve, use that the present embodiment provides a kind of small low-voltage damage type
In circulation of the combustion gas in gas meter, flow meter on gas meter, flow meter, is controlled, small low-voltage damage type is two-way electromechanical without stall gear drive
Valve includes connecting cylinder 100, seal cap 200 and valve element 300.
Fig. 1 and Fig. 2 is referred to, connecting cylinder 100 is used for small low-voltage damage type is two-way without stall gear drive electromechanical valve peace
It is mounted on gas meter, flow meter, connecting cylinder 100 is tubular structure, specifically, the section perpendicular to its axis direction of connecting cylinder 100 is circle
Ring-type, i.e. connecting cylinder 100 have supplied gas flowing passage, by the two ends of connecting cylinder 100 be respectively set to air inlet end 110 and
Outlet side 120, is the passage of gas flowing between air inlet end 110 and outlet side 120, meanwhile, the inwall in outlet side 120 is arranged
There is sealing ring, for coordinating with seal cap 200, realize being turned on or off for outlet side 120.Connecting cylinder 100 and gas meter, flow meter
Air inlet is connected, and combustion gas flows to outlet side 120 from air inlet, connecting cylinder 100 is tightly connected with air inlet, it is to avoid combustion gas is let out
Dew.
Fig. 1 and Fig. 3 is referred to, further, sealing ring 700 is arranged with connecting cylinder 100, sealing ring 700 is enclosed within connection
The outer peripheral face of cylinder 100, when connecting cylinder 100 is connected with the air inlet of gas meter, flow meter, connecting cylinder 100 is set in air inlet, sealing ring
700 are connected with the inner wall sealing of air inlet, play a part of sealing.The section configuration of sealing ring 700 is circle, sealing ring 700
Outer peripheral face contact for face with the inwall of air inlet.Sealing ring 700 has certain elasticity, using the elastic force clamping of elastic deformation
Sealed, because sealing ring 700 is contacted with the inwall of air inlet for face, the contact with the inwall of air inlet of sealing ring 700 is more
Plus closely, it is difficult the presence of gap, good sealing effect.Simultaneously as the face of the hermetic seal effect of sealing ring 700 is arc surface,
When connecting cylinder 100 and air inlet are carried out into grafting, sealing ring 700 deformation, sealing ring 700 and air inlet under extruding force effect
The rectangular strip of contact position of inwall, and the narrower width of rectangular strip, are easy to sealing ring 700 to fill up sealing ring after deforming upon
Gap between 700 and air inlet inwall, good sealing effect.Further, in the deformation process of sealing ring 700, sealing ring 700
Equally can be tight in deformation process with good sealing effectiveness, i.e. sealing ring 700 and the outer peripheral face of connecting cylinder 100 between
It is fitted on the outer peripheral face of connecting cylinder 100.
When the connection of cylinder 100 and gas meter, flow meter is attached, connecting cylinder 100 is inserted in air inlet, and sealing ring 700 occurs
Sealing is realized in deformation, and the power during being difficult because of inserting for the position for ensureing sealing ring 700 is uneven to change, and is affected close
Envelope effect, on connecting cylinder 100 position limiting structure is provided with.Specifically, the outer peripheral face of connecting cylinder 100 is provided with position limiting structure, close
Seal 700 is set in after the outer peripheral face of connecting cylinder 100, due to the effect of position limiting structure, is prevented from sealing ring 700 along connection
Cylinder 100 axis direction moved towards outlet side 120 by air inlet end 110, i.e. connecting cylinder 100 during inserting, sealing ring 700
It is pushed against on position limiting structure.Further, it is difficult from the air inlet end 110 of connecting cylinder 100 to skid off to ensure sealing ring 700,
Position limiting structure is set to two spacing rings 400, and two spacing rings 400 are arranged on the outer peripheral face of connecting cylinder 100, each spacing ring
400 protrusion direction is outside along the radial direction of connecting cylinder 100, along the axis direction of connecting cylinder 100 between two spacing rings 400
Interval setting, defines the gap of ring-type between two spacing rings 400, by sealing ring 700 be arranged on two spacing rings 400 it
Between, motion of the sealing ring 700 on the axis direction of connecting cylinder 100 is limited, it is easy to the installation of connecting cylinder 100.
Obviously, can be to arrange annular groove on connecting cylinder 100, for installing sealing ring 700, sealing ring 700 is located at
In annular groove, the volume of electromechanical valve can be further reduced, be easily installed.Can also be by annular groove and two spacing rings
400 use cooperatively, and have both played a part of fixed seal ring 700, meanwhile, it is capable to reduce the height of the protrusion of spacing ring 400, reduce body
Product.
After connecting cylinder 100 is inserted with air inlet, in order to ensure the structural integrity of electromechanical valve and gas meter, flow meter, connecting cylinder 100
It is difficult for drop-off, sealing is not interfered with, connecting cylinder 100 is fixedly connected with gas meter, flow meter.Specifically, arrange on connecting cylinder 100
The quantity for having lug 500, lug 500 is arranged on demand, lug 500 be set to it is multiple, it is more firm with the connection of gas meter, flow meter, preferably
It is set to, lug 500 is provided with two, and two lugs 500 are positioned at the both sides of the median plane of connecting cylinder 100 and are symmetrical arranged, two
Individual lug 500 is located on the straight line that the same diameter of connecting cylinder 100 is located.The protrusion direction of each lug 500 is along connecting cylinder 100
Radial direction outwards, installing hole 510, when connecting cylinder 100 is inserted in air inlet, connecting cylinder are provided with each lug 500
Lug 500 on 100 is passed through on lug 500 with the housing of gas meter, flow meter by screw or bolt connection, i.e. screw or bolt
Installing hole 510 be screwed onto on the housing of gas meter, flow meter, realize connection.
Meanwhile, connecting cylinder 100 is fixedly connected with valve element 300, and connecting cylinder 100 is overall with valve element 300, and structure is more stepped up
Gather, the small volume of occupancy.Specifically, a fixed pin 600, fixed pin 600 and valve element 300 are provided with connecting cylinder 100
Housing connects, meanwhile, two lugs 500 are connected with the housing of valve element 300, and lug 500 passes through to be spirally connected with the housing of valve element 300,
It is easily installed in maintenance.Fixed pin 600 and the housing grafting of valve element 300, play a part of positioning.For the ease of lug 500 with
Being spirally connected for the housing of valve element 300, is respectively arranged with breach 410, when being spirally connected on two spacing rings 400 at the corresponding position being spirally connected
Faster and more convenient operation.
Refer to Fig. 4, electromechanical valve is a kind of automatic valve applied on gas meter, flow meter, the company of being turned on or off of valve
The outlet side 120 for connecing cylinder 100 is turned on or off realizing, i.e., be provided with seal cap 200, seal cap at outlet side 120
200 move relative to outlet side 120, and seal cap 200 can be fitted on the sealing ring of outlet side 120, realize the closing of valve；
Seal cap 200 leaves sealing ring, and gap is formed between sealing ring, realizes the opening of valve.The motion of seal cap 200 is relied on
Valve element 300 is controlled, and valve element 300 includes drive mechanism, and drive mechanism drive connection seal cap 200 is ordered about seal cap 200 and transported
It is dynamic to realize being turned on or off for outlet side 120.Valve element 300 is prior art, and its 26S Proteasome Structure and Function do not entered in the present embodiment
Row is improved, and in order to avoid narration repeats burden, is not described in detail.The motion of the control seal cap 200 of valve element 300 is not carried out in detail
Thin description, during real work, drive mechanism drives seal cap 200 to move back and forth along the axis direction of connecting cylinder 100, realizes valve
Door be turned on or off.
In gas flow, combustion gas flows to outlet side 120 from air inlet, flows out from outlet side 120, need through
Seal cap 200, because connecting cylinder 100 is directly connected with air inlet, the time of fuel gas flow is short, combustion gas when seal cap 200,
In order to reduce the crushing of combustion gas, it is ensured that combustion gas passes through more smooth during outlet side 120, and seal cap 200 is set to inclined-plane
Structure, specifically, when combustion gas passes through seal cap 200, flow through inclined-plane, inclined-plane has guide effect, and combustion gas passes through outlet side 120
When the resistance that is subject to it is little, flow more smooth.Seal cap 200 has sealing 210 and a diversion division 220, sealing 210 with lead
Stream portion 220 is oppositely arranged, and sealing 210 is plane, is easy to be connected and sealed with the sealing ring of outlet side 120, sealing effectiveness
It is good；Diversion division 220 is arranged towards air inlet end 110, and diversion division 220 has at least one inclined-plane, when combustion gas flows through inclined-plane, inclined-plane tool
There is guide effect, be easy to the flowing of combustion gas；Further, diversion division 220 is set to into taper seat, the diameter of taper seat is along connection
The axis direction of cylinder 100 is gradually increased by air inlet end 110 towards outlet side 120, and fuel gas flow is more smooth.
In order to further reduce the volume of electromechanical valve, it is easy to it to install with gas meter, flow meter, by the contraction in length of connecting cylinder 100,
The diversion division 220 of seal cap 200 protrudes the end face of the air inlet end 110 of connecting cylinder 100, connection along the axis direction of connecting cylinder 100
After cylinder 100 is connected with the air inlet inserting of gas meter, flow meter, combustion gas is flowed in air inlet, is flowed through after seal cap 200 from outlet side 120
Flow out, because seal cap 200 has diversion division 220, crushing is little during fuel gas flow, does not interfere with the flowing of combustion gas, fuel gas flow
It is smooth.
The small low-voltage damage type that the present embodiment is provided is two-way without stall gear drive electromechanical valve, by connecting cylinder 100 and combustion gas
The air inlet of table is directly connected to, meanwhile, seal cap 200 is set to into the structure with diversion division 220, reducing electromechanical valve
While volume, the proper flow of combustion gas is not interfered with, be easy to electromechanical valve to be arranged in less space, the use model of electromechanical valve
Enclose wider.
Small low-voltage damage type is two-way without stall gear drive electromechanical valve embodiment two
Fig. 5-Fig. 6 is referred to, it is two-way electromechanical without stall gear drive that the present embodiment also provides a kind of small low-voltage damage type
Valve, the present embodiment is the further improvement on the basis of the technical scheme of embodiment one, the disclosed technology of embodiment one
Scheme is equally applicable to the present embodiment, and in order to avoid narration repeats burden, the technical scheme that embodiment one has been described above is no longer detailed
Describe in detail bright.
Specifically, drive mechanism includes eccentric stiffener, drive link 930 and transmission sleeve pipe 940, the drive end of eccentric stiffener
Drive connection is driven sleeve pipe 940, and eccentric stiffener rotates order transmission sleeve pipe 940 and moves along a straight line, the transmission connection seal cap of sleeve pipe 940,
The motion of seal cap synchronous linear is driven, further, eccentric stiffener includes drive and the cam pin being fixed on drive
920, the end for being driven sleeve pipe 940 is provided with driving groove 942, and cam pin 920 is inserted in driving groove 942, Motor drive center
Wheel 910 is rotated, and drives cam pin 920 to rotate, and is slided in driving groove 942 when cam pin 920 is rotated, and drives transmission sleeve pipe 940
Move back and forth up and down, realize being turned on or off for seal cap.One end of drive link 930 is fixedly connected on the centre bit of seal cap
Put, and drive link 930 slides and is inserted in transmission sleeve pipe 940, the other end of drive link 930 is with the drive end of eccentric stiffener along it
Axis direction interval setting；Drive mechanism also includes locating part 950, enters along its axis direction direction for limiting drive link 930
The movement tendency at gas end.During specific works, move upwards so that during valve opening sleeve pipe 940 is driven, incipient stage drive link
930 move upwardly together with seal cap, and after moving to certain distance, locating part 950 limits drive link 930 and moves upwards, now,
Transmission sleeve pipe 940 continues to move, and then drive link 930 has the action for pulling downward on seal cap, the seal cap in drawing process
Radially direction is to contract certain distance, the certain deformation of seal cap generation, between seal cap and the inwall of outlet side
Distance increase, is easy to the flowing of combustion gas, reduces the crushing during fuel gas flow.During actual installation, locating part 950 is fixed on
On the housing of valve element, the tube wall for being driven sleeve pipe 940 is provided with chute 941, and the end of locating part 950 is stretched in chute 941, chute
941 length direction is provided with limited block 931, limited block 931 parallel to the axis direction of transmission sleeve pipe 940 on drive link 930
Between locating part 950 and drive end, locating part 950 is located on the motion path of limited block 931, and drive link 930 is transported upwards
When dynamic, limited block 931 is moved together, and after moving to the position at the place of locating part 950, limited block 931 can not be continued up,
Now, it is driven sleeve pipe 940 to continue to move, and then causes drive link 930 that there is the effect for pulling downward on seal cap.
Gas meter, flow meter embodiment
Fig. 7 is referred to, the two-way air induction mast without stall gear drive electromechanical valve Yu gas meter, flow meter of small low-voltage damage type is shown
Attachment structure figure, in figure arrow be fuel gas flow direction.Present embodiments provide a kind of gas meter, flow meter, including gas meter, flow meter main body with
And the small low-voltage damage type of above-described embodiment offer is two-way without stall gear drive electromechanical valve, small low-voltage damage type is two-way without stall
The sealing of connecting cylinder 100 of gear drive electromechanical valve is plugged in the air induction mast 800 of gas meter, flow meter main body, and whole small low-voltage damage type is double
It is easy for installation to the small volume without stall gear drive electromechanical valve, preferably use cooperatively with gas meter, flow meter.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of small low-voltage damage type is two-way without stall gear drive electromechanical valve, it is characterised in that including connecting cylinder, seal cap with
And valve element, wherein：
The connecting cylinder has the passage that supplied gas circulate, and the passage has air inlet end and outlet side, the outlet side peace
It is mounted on the valve element, the seal cap is located in the passage, seal cap described in the drive mechanism drive connection of the valve element,
Order about the seal cap and be turned on or off the outlet side；The air inlet end of the connecting cylinder is used to connect with the air induction mast of gas meter, flow meter
Connect.
2. small low-voltage damage type according to claim 1 is two-way without stall gear drive electromechanical valve, it is characterised in that described
The outer peripheral face of connecting cylinder is provided with position limiting structure, and the outer peripheral face of the connecting cylinder is arranged with sealing ring, and the position limiting structure is used for
Limit axis direction of the sealing ring along the connecting cylinder by the air inlet end moving towards the outlet side.
3. small low-voltage damage type according to claim 2 is two-way without stall gear drive electromechanical valve, it is characterised in that described
Position limiting structure includes two spacing rings, and the protrusion direction per the spacing ring is outside along the radial direction of the connecting cylinder, two
Spacing ring interval setting along the axis direction of the connecting cylinder, the sealing ring is located between two spacing rings.
4. small low-voltage damage type according to claim 1 is two-way without stall gear drive electromechanical valve, it is characterised in that described
The outer peripheral face of connecting cylinder is provided with multiple lugs, multiple lugs along the connecting cylinder circumferential direction interval setting, often
The individual lug is outwardly along the radial direction of the connecting cylinder, and the connecting cylinder is by multiple lugs and the valve element
Housing connection；Installing hole is provided with each described lug, for passing through for screw.
5. the small low-voltage damage type according to any one of claim 1-4 is two-way without stall gear drive electromechanical valve, its feature
Be that the seal cap has the sealing that is oppositely arranged and a diversion division, the sealing be used to being turned on or off it is described go out
Gas end, the diversion division is provided with least one inclined-plane towards the air inlet end on the diversion division.
6. small low-voltage damage type according to claim 5 is two-way without stall gear drive electromechanical valve, it is characterised in that described
Diversion division is set to taper seat, the diameter of the taper seat along the connecting cylinder axis direction by the air inlet end towards described
Outlet side gradually increases.
7. small low-voltage damage type according to claim 6 is two-way without stall gear drive electromechanical valve, it is characterised in that described
Diversion division is set to taper seat, the diameter of the taper seat along the connecting cylinder axis direction by the air inlet end towards described
Outlet side gradually increases, and the diversion division protrudes the air inlet end along the axis direction of the connecting cylinder.
8. small low-voltage damage type according to claim 1 is two-way without stall gear drive electromechanical valve, it is characterised in that described
Drive mechanism includes eccentric stiffener, drive link and transmission sleeve pipe, transmission described in the drive end drive connection of the eccentric stiffener
Sleeve pipe, the eccentric stiffener is rotated and makes the transmission sleeve pipe move along a straight line, and seal cap described in the transmission sleeve pipe connection drives institute
The motion of seal cap synchronous linear is stated, one end of the drive link is fixedly connected on the center of the seal cap, and the biography
Lever is slided and is inserted in the transmission sleeve pipe, and the drive end of the other end of the drive link and the eccentric stiffener is along its axis
Direction interval setting；The drive mechanism also includes locating part, for limiting the drive link along its axis direction towards described
The movement tendency of air inlet end.
9. small low-voltage damage type according to claim 8 is two-way without stall gear drive electromechanical valve, it is characterised in that described
Locating part is fixed on the housing of the valve element, and the tube wall of the transmission sleeve pipe is provided with chute, and the end of the locating part is stretched
Enter in the chute, the length direction of the chute is arranged parallel to the axis direction of the transmission sleeve pipe on the drive link
Limited location block, the limited block is located between the locating part and the drive end, and the locating part is located at the limited block
On motion path.
10. a kind of gas meter, flow meter, it is characterised in that including gas meter, flow meter main body and small-sized as described in any one of claim 1-9
Low pressure loss type is two-way without stall gear drive electromechanical valve, and the connecting cylinder sealing is plugged in the air induction mast of the gas meter, flow meter main body
It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620995635.4U CN206112096U (en) | 2016-08-30 | 2016-08-30 | Stifled electromechanical valve of gear drive and gas table of changeing of two -way nothing of small -size low pressure loss type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620995635.4U CN206112096U (en) | 2016-08-30 | 2016-08-30 | Stifled electromechanical valve of gear drive and gas table of changeing of two -way nothing of small -size low pressure loss type |
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| Publication Number | Publication Date |
|---|---|
| CN206112096U true CN206112096U (en) | 2017-04-19 |
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| CN201620995635.4U Active CN206112096U (en) | 2016-08-30 | 2016-08-30 | Stifled electromechanical valve of gear drive and gas table of changeing of two -way nothing of small -size low pressure loss type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195283A (en) * | 2016-08-30 | 2016-12-07 | 成都秦川科技发展有限公司 | Small low-voltage damage type two-way gear drive without stall electromechanical valve and gas meter, flow meter |
-
2016
- 2016-08-30 CN CN201620995635.4U patent/CN206112096U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195283A (en) * | 2016-08-30 | 2016-12-07 | 成都秦川科技发展有限公司 | Small low-voltage damage type two-way gear drive without stall electromechanical valve and gas meter, flow meter |
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Address after: 610199 Longquanyi, Sichuan Province Industrial Park licensing Patentee after: Chengdu Qinchuan networking Polytron Technologies Inc Address before: 610199 Longquanyi, Sichuan Province Industrial Park licensing Patentee before: Chengdu Taichuan Technology Development Co., Ltd. |