CN207364398U - A kind of anti-jamming motor driving shut-off valve - Google Patents
A kind of anti-jamming motor driving shut-off valve Download PDFInfo
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- CN207364398U CN207364398U CN201721303514.XU CN201721303514U CN207364398U CN 207364398 U CN207364398 U CN 207364398U CN 201721303514 U CN201721303514 U CN 201721303514U CN 207364398 U CN207364398 U CN 207364398U
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- valve body
- valve
- spool
- valve rod
- tube chamber
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Abstract
The utility model discloses a kind of anti-jamming motor driving shut-off valve,Including valve body base enclosure,Core assembly,Valve rod,Electric drive mechanism and closure assemblies,The valve body base enclosure both ends are respectively arranged with into tube chamber and discharge tube chamber,Valve body base enclosure bosom is provided with for connecting the spool mouth for entering tube chamber and discharging tube chamber,The spool mouth is equipped with core assembly,The core assembly includes spool pedestal and blocks the valve body of spool mouth,The valve body includes the cylinder valve body on top and the cone cylinder valve body of lower part,Cylinder top end of the valve body is inlaid in mounting circular ring,Mounting circular ring inner ring is fixedly connected by screw thread with spool base bottom external part,The stem bottom sequentially passes through the center of spool pedestal and cone cylinder valve body,The structure design of the utility model is reasonable,It is easy for operation,Flow-rate adjustment precision is high,Valve body adjustment control structure is reliable and stable,Motor degree safe to use is high.
Description
Technical field
Valving technical field is the utility model is related to, is specially a kind of anti-jamming motor driving shut-off valve.
Background technology
Valve is for being opened and closed pipeline, control flow direction, the parameter for adjusting and controlling pumped (conveying) medium（Temperature, pressure and flow）
Pipeline fittings.According to its function, shut-off valve, check-valves, regulating valve etc. can be divided into.
Valve is the control unit in fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents adverse current, voltage stabilizing, shunting
Or the function such as overflow pressure relief.For the valve of fluid control systems, from simplest shut-off valve to extremely complex robot control system(RCS)
In used various valves, its kind and specification are quite various.
Wherein, shut-off valve is also known as pipe valve valve, belongs to forced seal formula valve, so when valve is closed, it is necessary to flap
Apply pressure, do not leaked with forced seal face.When medium is by entering valve below flap, the resistance that overcomes required for operating force
Power, is the frictional force of valve rod and filler and the thrust as caused by the pressure of medium, the power of closing valve is bigger than the power of valve opening door, institute
It is big with the diameter of valve rod, the failure of valve rod bending otherwise can occur.Existing shut-off valve is mostly using manually adjusting control
System, operates with inconvenience, flow-rate adjustment precision is relatively low；Also part shut-off valve is used as driving power using stepper motor.But
Due to stepper motor by program using electromagnetic pulse as driving, the error after being assembled with valve body is too big, after valve closing, stepping
Motor also gives valve rod pressure downwards, and the reaction force that valve rod is subject to be easy to cause the problems such as stepper motor throws switch, is stuck, leads
Cause stepper motor damage failure.
Utility model content
The purpose of this utility model is to provide a kind of anti-jamming motor driving shut-off valve, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the utility model provides following technical solution：
A kind of anti-jamming motor driving shut-off valve, including valve body base enclosure, core assembly, valve rod, electric drive mechanism and envelope
Cap assemblies, the valve body base enclosure both ends are respectively arranged with into tube chamber and discharge tube chamber, valve body base enclosure bosom and are provided with use
Enter tube chamber in connection and discharge the spool mouth of tube chamber, the spool mouth is equipped with core assembly, the core assembly bag
Including spool pedestal and block the valve body of spool mouth, the valve body includes the cylinder valve body on top and the cone cylinder valve body of lower part,
Cylinder top end of the valve body is inlaid in mounting circular ring, and mounting circular ring inner ring is fixed by screw thread and spool base bottom external part to be connected
Connect, the stem bottom sequentially passes through the center of spool pedestal and cone cylinder valve body, and pacifies on valve rod above spool pedestal
Dress is fixed with the first snap ring, is mounted with the second card being close to spool base bottom surface on valve rod below spool pedestal
Ring, is connected with the first Hookean spring being sleeved on valve rod, the valve body base between first snap ring and spool base top surface
Being extended at the top of shell has installation hole seat, and installing sealing blocking in hole seat has closure assemblies, and the closure assemblies upper end is provided with
Electric drive mechanism, the valve stem top are connected through closure assemblies and with electric drive mechanism output terminal.
As further program of the utility model：The electric drive mechanism includes rack of the cover on closure assemblies
Cover, driving motor and driving rack set on housing shroud, the valve stem top is through closure assemblies and is set with biography
Carry-over bar set, the driving motor engage connection, whirlpool by the worm screw on output shaft with the turbine disk being rotatablely installed in housing shroud
The driving cog being coaxially set with the turbine disk, the driving cog and the rack on driving rack set outer wall are installed in wheel disc side
Engagement connection.
As further program of the utility model：The closure assemblies include being fixed on installation hole seat by thread cartridge
Interior installation set, installation set upper end opening are fixed with closure cage, the installation set bottom and capping by thread cartridge
Seat top offers the centre bore passed through for valve rod, and the valve rod inside installation set and closure cage is from top to bottom successively
The 3rd snap ring fixed with valve rod, the second Hookean spring and diaphragm baffle that are sleeved on valve rod are provided with, described second is linear
Spring top is fixedly connected with the 3rd snap ring, and the second Hookean spring bottom is fixedly connected with diaphragm baffle, the diaphragm baffle bottom surface with
It is close to set in installation set bottom.
As further program of the utility model：The installation set bottom is provided with for the center bore inner wall that valve rod passes through
First sealing ring, the closure cage top are provided with the second sealing ring for the center bore inner wall that valve rod passes through.
As further program of the utility model：It is wholely set on the installation set outer wall and is useful for lid seal installation hole seat
The mounting disc of end face, the 3rd sealing ring is provided between mounting disc lower face and installation hole seat end face.
As further program of the utility model：The closure cage inner sleeve is equipped with for the 3rd snap ring of the cover, second
The protective cover of Hookean spring, protective cover base are close to set with diaphragm baffle top surface.
As further program of the utility model：The housing shroud lower end is fixed by terminal pad and screw assembly and set
Put on mounting disc top surface.
As further program of the utility model：The perforation being pierced by for valve stem tip is opened up on the housing shroud top surface.
As further program of the utility model：The valve body base enclosure both ends correspond to enter tube chamber and discharge tube chamber and are all provided with
It is equipped with mounting flange.
Compared with prior art, the beneficial effects of the utility model are：Using the up and down motion for driving motor-driven valve bar,
Realize the adjusting of flow in valve, easy for operation, degree of regulation is high；, can be downward with ovable valve stem when driving motor work
Movement, so that core assembly blocks spool mouth, after core assembly blocks spool mouth completely, drives motor to throw away and is at this time
Working status, the second snap ring can progressively disengage spool base bottom surface, and the first Hookean spring can also work, and gradually increase to motor
Reaction force, since valve body is made of the cylinder valve body on top and the cone cylinder valve body of lower part, the downward fortune to the second snap ring
It is dynamic to reserve cushion space, while closed to driving motor and provide buffer time, avoid the direct dieback of valve rod and cause driving electricity
The problems such as machine throws switch, is stuck, it is reasonable in design, it is ensured that to drive the service life of motor；Cylinder top end of the valve body is inlaid in peace
Fill in annulus, mounting circular ring inner ring is fixedly connected by screw thread with spool base bottom external part, and reasonable structural arrangement, facilitates valve
The installation of body and spool pedestal, mounting structure is reliable and stable, helps to extend the service life of valve body；In upper poppet-valve core assembly
When, larger into intraluminal Fluid pressure, core assembly is not easy to be driven motor to drive opening, due to being set inside closure assemblies
The second Hookean spring is equipped with, when core assembly closes spool mouth, the second Hookean spring is located under compression all the time, can be effective
A part of Fluid pressure is offset on ground, greatly reduces the power that driving motor needs to be lost；And second Hookean spring setting
Can provide when spool mouth is gradually blocked for core assembly it is gradual increase resistance, avoid core assembly under the action of Fluid pressure and
Moment blocks spool mouth so that valve body adjustment control is reliable.
Brief description of the drawings
Fig. 1 is the structure diagram that a kind of anti-jamming motor drives shut-off valve；
Fig. 2 is the structure diagram that a kind of anti-jamming motor drives closure assemblies in shut-off valve；
Fig. 3 is the structure diagram that a kind of anti-jamming motor drives core assembly in shut-off valve.
In figure：1- valve body base enclosures, 2- discharge tube chambers, 3- enter tube chamber, 4- core assemblies, 41- valve bodies, the second snap rings of 42-,
43- mounting circular rings, 44- spool pedestals, the first Hookean springs of 45-, the first snap rings of 46-, 5- installation sets, the 3rd snap rings of 6-, 7-
Bilinear spring, 8- closure cages, the second sealing rings of 9-, 10- housing shrouds, the 11- turbine disks, 12- driving rack sets, 13- transmissions
Tooth, 14- valve rods, 15- worm screws, 16- driving motors, the first sealing rings of 17-, 18- installation hole seats, 19- protective covers, 20- diaphragm baffles,
The 3rd sealing rings of 21-, 22- mounting discs, 23- mounting flanges.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
~3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of anti-jamming motor driving shut-off valve, including
Valve body base enclosure 1, core assembly 4, valve rod 14, electric drive mechanism and closure assemblies, 1 both ends of valve body base enclosure are respectively arranged with
Into tube chamber 3 and discharge tube chamber 2,1 bosom of valve body base enclosure is provided with for connecting the valve for entering tube chamber 3 and discharging tube chamber 2
Core mouth, the spool mouth are equipped with core assembly, and the core assembly includes spool pedestal 44 and blocks spool mouth
Valve body 41, the valve body 41 includes the cylinder valve body on top and the cone cylinder valve body of lower part, cylinder top end of the valve body are inlaid in installation
In annulus 43,43 inner ring of mounting circular ring is fixedly connected by screw thread with 44 bottom external part of spool pedestal, 14 bottom of valve rod
Sequentially pass through the center of spool pedestal 44 and cone cylinder valve body, and the is mounted with positioned at the top of spool pedestal 44 on valve rod 14
One snap ring 46, is mounted with the second snap ring being close to 44 bottom surface of spool pedestal on valve rod 14 positioned at the lower section of spool pedestal 44
42, the first Hookean spring 45 being sleeved on valve rod 14, institute are connected between first snap ring 46 and spool pedestal, 44 top surface
Stating the top of valve body base enclosure 1 and being extended has installation hole seat 18, and installing sealing blocking in hole seat 18 has closure assemblies, the capping group
Part upper end is provided with electric drive mechanism, and the top of valve rod 14 is connected through closure assemblies and with electric drive mechanism output terminal.
Wherein, the electric drive mechanism includes housing shroud 10 of the cover on the closure assemblies, on housing shroud 10
Motor 16 and driving rack set 12 are driven, the top of valve rod 14 is through closure assemblies and is set with driving rack set 12, institute
State driving motor 16 and connection, the turbine disk are engaged with the turbine disk 11 of rotational installation in housing shroud 10 by the worm screw 15 on output shaft
The driving cog 13 being coaxially set with the turbine disk 11 is installed, the driving cog 13 is covered on 12 outer walls with driving rack on 11 sides
Rack engagement connection.During work, driving motor 16 drives worm screw 15 to rotate, and worm screw 15 drives the turbine disk 11 and driving cog 13
Rotation, driving cog 13 can drive driving rack to cover 12 upper and lower movements, so as to fulfill the upper and lower movement of valve rod 14.Using turbine snail
Bar drive mechanism, possesses auto-lock function, can effectively avoid the voluntarily upper and lower movement of valve rod 14.
It may be preferred that the closure assemblies include the installation set 5 being fixed on by thread cartridge in installation hole seat 18, installation
Cover 5 upper end openings and closure cage 8 is fixed with by thread cartridge, 5 bottom of installation set and 5 top of closure cage open up
There is the centre bore passed through for valve rod 14, the valve rod 14 inside installation set 5 and closure cage 8 is disposed with from top to bottom
The 3rd snap ring 6 fixed with valve rod 14, the second Hookean spring 7 and diaphragm baffle 20 that are sleeved on valve rod 14, second line
Property 7 top of spring is fixedly connected with the 3rd snap ring 6, and 7 bottom of the second Hookean spring is fixedly connected with diaphragm baffle 20, the diaphragm baffle
It is close to set with 5 bottom of installation set in 20 bottom surfaces.
It may be preferred that 5 bottom of installation set is provided with the first sealing ring 17, institute for the center bore inner wall that valve rod 14 passes through
State 8 top of closure cage and the second sealing ring 9 is installed for the center bore inner wall that valve rod 14 passes through.Be conducive to further improve valve body
Sealing effect.
It may be preferred that the mounting disc 22 for being useful for 18 end face of lid seal installation hole seat is wholely set on 5 outer wall of installation set,
22 lower face of mounting disc and installation hole seat are provided with the 3rd sealing ring 21 between 18 end face.Be conducive to improve the whole of valve body base enclosure 1
Body sealing performance.
It may be preferred that the protective cover for the 3rd snap ring 6 of the cover, the second Hookean spring 7 is set with the closure cage 8
19,19 base of protective cover is close to set with 20 top surface of diaphragm baffle；10 lower end of housing shroud passes through terminal pad and screw assembly
It is fixed on 22 top surface of mounting disc.So that the assembling of housing shroud 10, convenient disassembly.
It may be preferred that open up the perforation being pierced by for 14 top of valve rod on 10 top surface of housing shroud；1 liang of the valve body base enclosure
Corresponding tube chamber 3 and the discharge tube chamber 2 of entering in end is both provided with mounting flange 23.
The operation principle of the utility model is：Using the up and down motion for driving 16 driving stem 15 of motor, realize in valve
The adjusting of flow, easy for operation, degree of regulation is high；When driving motor 16 to work, can be moved downward with ovable valve stem 15, from
And make it that core assembly 4 blocks spool mouth, after core assembly 4 blocks spool mouth completely, drive motor 16 to throw away at this time and be in work
Make state, the second snap ring 42 can progressively disengage 44 bottom surface of spool pedestal, and the first Hookean spring 45 can also work, and give driving motor
16 reaction forces gradually increased, since valve body 41 is made of the cylinder valve body on top and the cone cylinder valve body of lower part, to second
Moving downward for snap ring 42 reserves cushion space, while provides buffer time to the closing of driving motor 16, avoids valve rod 14
Direct dieback and the problems such as cause to drive motor 16 throw switch, is stuck, it is reasonable in design, it is ensured that driving motor 16 uses the longevity
Life；Cylinder top end of the valve body is inlaid in mounting circular ring 43, and 43 inner ring of mounting circular ring is stretched out by screw thread and 44 bottom of spool pedestal
End is fixedly connected, reasonable structural arrangement, facilitates the installation of valve body 41 and spool pedestal 44, and mounting structure is reliable and stable, contributes to
Extend the service life of valve body 41；Larger into intraluminal Fluid pressure in upper poppet-valve core assembly 4, core assembly 4 is not easy
Opening is driven by driving motor 16, since closure assemblies are internally provided with the second Hookean spring 7, core assembly 4 closes spool mouth
When, the second Hookean spring 7 locates that under compression, a part of Fluid pressure can be effectively canceled out all the time, greatly reduces drive
Dynamic motor 16 needs the power being lost；And second the setting of Hookean spring 7 also can be that core assembly 4 is carried when gradually blocking spool mouth
For the resistance gradually increased, avoid core assembly 4 under the action of Fluid pressure and moment closure spool mouth so that valve body 41 is adjusted
Section control is reliable.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (9)
1. a kind of anti-jamming motor driving shut-off valve, including valve body base enclosure（1）, core assembly（4）, valve rod（14）, electric drive
Structure and closure assemblies, it is characterised in that：The valve body base enclosure（1）Both ends are respectively arranged with into tube chamber（3）With discharge tube chamber
（2）, valve body base enclosure（1）Bosom is provided with enters tube chamber for connecting（3）With discharge tube chamber（2）Spool mouth, the valve
Core mouth is equipped with core assembly（4）, the core assembly（4）Including spool pedestal（44）And the valve body of closure spool mouth
（41）, the valve body（41）The cone cylinder valve body of cylinder valve body and lower part including top, cylinder top end of the valve body are inlaid in installation
Annulus（43）It is interior, mounting circular ring（43）Inner ring passes through screw thread and spool pedestal（44）Bottom external part is fixedly connected, the valve rod
（14）Bottom sequentially passes through spool pedestal（44）And the center of cone cylinder valve body, and valve rod（14）It is upper to be located at spool pedestal（44）On
Side is mounted with the first snap ring（46）, valve rod（14）It is upper to be located at spool pedestal（44）Lower section is mounted with and spool pedestal
（44）The second snap ring that bottom surface is close to（42）, first snap ring（46）With spool pedestal（44）It is connected with and is sleeved between top surface
Valve rod（14）On the first Hookean spring（45）, the valve body base enclosure（1）Top has been extended installation hole seat（18）, mounting hole
Seat（18）Upper sealing blocking has closure assemblies, and the closure assemblies upper end is provided with electric drive mechanism, the valve rod（14）Top
It is connected through closure assemblies and with electric drive mechanism output terminal.
A kind of 2. anti-jamming motor driving shut-off valve according to claim 1, it is characterised in that：Electric drive mechanism bag
Include housing shroud of the cover on closure assemblies（10）, installed in housing shroud（10）On driving motor（16）And driving rack set
（12）, the valve rod（14）Top is through closure assemblies and is set with driving rack set（12）, the driving motor（16）Pass through
Worm screw on output shaft（15）With housing shroud（10）The turbine disk of interior rotational installation（11）Engagement connection, the turbine disk（11）On side
It is provided with and the turbine disk（11）The driving cog being coaxially set（13）, the driving cog（13）With driving rack set（12）On outer wall
Rack engagement connection.
A kind of 3. anti-jamming motor driving shut-off valve according to claim 2, it is characterised in that：The closure assemblies include
Installation hole seat is fixed on by thread cartridge（18）Interior installation set（5）, installation set（5）Upper end opening is fixed by thread cartridge
There is closure cage（8）, the installation set（5）Bottom and closure cage（8）Top is offered for valve rod（14）In passing through
Heart hole, positioned at installation set（5）And closure cage（8）Internal valve rod（14）It is disposed with from top to bottom and valve rod（14）Gu
The 3rd fixed snap ring（6）, be sleeved on valve rod（14）On the second Hookean spring（7）And diaphragm baffle（20）, described second is linear
Spring（7）Top and the 3rd snap ring（6）It is fixedly connected, the second Hookean spring（7）Bottom and diaphragm baffle（20）It is fixedly connected, it is described
Diaphragm baffle（20）Bottom surface and installation set（5）It is close to set in bottom.
A kind of 4. anti-jamming motor driving shut-off valve according to claim 3, it is characterised in that：The installation set（5）Bottom
Portion supplies valve rod（14）The center bore inner wall passed through is provided with the first sealing ring（17）, the closure cage（8）Top supplies valve rod
（14）The center bore inner wall passed through is provided with the second sealing ring（9）.
A kind of 5. anti-jamming motor driving shut-off valve according to claim 3, it is characterised in that：The installation set（5）Outside
It is wholely set on wall and is useful for lid seal installation hole seat（18）The mounting disc of end face（22）, mounting disc（22）Lower face and installation hole seat
（18）The 3rd sealing ring is provided between end face（21）.
A kind of 6. anti-jamming motor driving shut-off valve according to claim 3, it is characterised in that：The closure cage（8）
Inside it is set with for the 3rd snap ring of the cover（6）, the second Hookean spring（7）Protective cover（19）, protective cover（19）Base and catch
Circle（20）Top surface is close to set.
A kind of 7. anti-jamming motor driving shut-off valve according to claim 5, it is characterised in that：The housing shroud（10）Under
End is fixed at mounting disc by terminal pad and screw assembly（22）On top surface.
A kind of 8. anti-jamming motor driving shut-off valve according to claim 3, it is characterised in that：The housing shroud（10）Top
Opened up on face for valve rod（14）The perforation that top is pierced by.
A kind of 9. anti-jamming motor driving shut-off valve according to claim 1, it is characterised in that：The valve body base enclosure（1）
Both ends, which correspond to, enters tube chamber（3）With discharge tube chamber（2）It is both provided with mounting flange（23）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721303514.XU CN207364398U (en) | 2017-10-11 | 2017-10-11 | A kind of anti-jamming motor driving shut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721303514.XU CN207364398U (en) | 2017-10-11 | 2017-10-11 | A kind of anti-jamming motor driving shut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207364398U true CN207364398U (en) | 2018-05-15 |
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ID=62347038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721303514.XU Active CN207364398U (en) | 2017-10-11 | 2017-10-11 | A kind of anti-jamming motor driving shut-off valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN207364398U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504251A (en) * | 2017-10-11 | 2017-12-22 | 苏州科迪流体控制设备有限公司 | A kind of anti-jamming motor driving stop valve |
-
2017
- 2017-10-11 CN CN201721303514.XU patent/CN207364398U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504251A (en) * | 2017-10-11 | 2017-12-22 | 苏州科迪流体控制设备有限公司 | A kind of anti-jamming motor driving stop valve |
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