CN204062101U - A kind of totally enclosed electric gate valve - Google Patents
A kind of totally enclosed electric gate valve Download PDFInfo
- Publication number
- CN204062101U CN204062101U CN201420206870.XU CN201420206870U CN204062101U CN 204062101 U CN204062101 U CN 204062101U CN 201420206870 U CN201420206870 U CN 201420206870U CN 204062101 U CN204062101 U CN 204062101U
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- valve
- radome
- internal rotor
- electric actuator
- totally enclosed
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Abstract
A kind of totally enclosed electric gate valve, it comprises the compositions such as valve body, valve gap, flashboard, ball screw pair, electric actuator, valve rod and bearing; Described valve gap is provided with stiffening rib; Described valve rod and valve plate are provided with concave side dress linkage structure; Described valve rod is provided with ball screw vice mechanism; Be provided with magnetic driving mechanism between described valve body and electric actuator, described driving mechanism comprises a support, an external rotor, an internal rotor, a radome; Described is set up in below electric actuator; Described external rotor is located in rack bore rotationally; The lower lumen wall of described internal rotor is fixed setting-in one Stem Mut; Described radome is located between external rotor and internal rotor, and the lower flange of this radome is connected between the upper-end surface of valve body and the lower end surface of support.The utility model provides a kind of magnetic drives totally enclosed electric gate valve, reliable transmission, and friction torque is little and driving torque is little, and can make between electric actuator and valve completely isolated, and valve is closed completely.
Description
Technical field
Basis is novel relates to a kind of gate valve, particularly relates to a kind of shielded magnetic transmission totally enclosed electric gate valve.
Background technique
Generally, electric gate valve by the action of electric actuator actuate valve stem, and reaches the object of closedown or Open valve by clockwise or counterclockwise rotation respectively.Similar also have employing shielding totally enclosed electric gate valve, and this gate valve is primarily of valve and shielding Electric actuator (1) two-part composition.Valve part is primarily of compositions such as valve body (4), valve gap, flashboard, ball screw pair and bearings, valve gap (3) is provided with position indicator (2), by adhesive and unlatching or the closedown of throwing off feedback signal control valve of dry reed-pipe reed in position indicator.The feature such as this valve has no-arbitrary pricing, insulation grade anti-corrosion is high, long service life, switching torque are little, volume is little and quality is light.But also there is following problem in this valve:
1, due to Electric actuator and ball screw pair mechanical self-locking mechanism, there is valve opening and the inaccurate problem of closed position, use to valve, safeguard, debugging and operation bring very large difficulty;
2, the rotary motion of Electric actuator is transferred to the ball screw subsystem of straight line motion owing to adopting outer circulation structure, corrosion products under high temperature and high pressure environment in medium and foreign matter etc. easily enter lead screw pair, ball screw pair is made to run cacophonia, affect the normal switch manipulation of valve, and repeatedly break down, bring hidden danger to safe operation;
3, because motor speed during power-off is different, mechanism system energy storage is different with mechanical system surface friction drag, so the time of free-wheel cannot determine, inertia motion stroke after power-off also cannot be determined, closedown does not put in place to cause valve sometimes to occur, sometimes occurs that clashing into bounce-back makes valve have micro-phenomenon opened.
Summary of the invention
In order to overcome the problems referred to above, the utility model provides a kind of magnetic drives totally enclosed electric gate valve, reliable transmission, and friction torque is little and driving torque is little, and can make between electric actuator and valve completely isolated, and valve is closed completely.
For achieving the above object, the technological scheme that the utility model provides is:
A kind of totally enclosed electric gate valve, it comprises the compositions such as valve body, valve gap, flashboard, ball screw pair, electric actuator, valve rod and bearing; Described valve gap is provided with stiffening rib; Described valve rod and valve plate are provided with concave side dress linkage structure; Described valve rod is provided with ball screw vice mechanism; Be provided with magnetic driving mechanism between described valve body and electric actuator, described driving mechanism comprises a support, an external rotor, an internal rotor, a radome; Described is set up in below electric actuator; Described external rotor is located in rack bore rotationally; The lower lumen wall of described internal rotor is fixed setting-in one Stem Mut; Described radome is located between external rotor and internal rotor, and the lower flange of this radome is connected between the upper-end surface of valve body and the lower end surface of support.
Described electric actuator comprises shielding permanent magnetic step motor and planetary reducer; Described shielding permanent magnetic step motor and planetary reducer are set to keyed and are connected with a joggle.
The middle part outer wall of described internal rotor is fixed suit one magnet circle, this internal rotor is located in the inner chamber of described external rotor, is contained in the top of valve rod to make described Stem Mut screw-casing; A bearing is respectively equipped with between the top internal chamber wall of described internal rotor and described radome, between the bottom outer wall of described internal rotor and described valve body.
Packing ring is provided with between described radome lower end surface and the upper-end surface of valve body.
The upper end of described valve rod connects a feedback rod, and this feedback rod is electrically connected with the display unit being positioned at described gate valve outside.
An anticollision ring is provided with between the bottom outer wall of described external rotor and the lower lumen wall of described support.
the usefulness of technique scheme is:
1, the utility model drives retarder to complete the switch of valve by motor, retarder can bidirectional rotation, and rotor and retarder adopt direct keyed to be connected with a joggle, and reliable transmission is stablized, can long-term work under medium conduction, and can stress switching manipulation continuously in situation; This novel employing magnetic drives just can the mechanism of carry-over moment in addition, and this mechanism only replaces by the magnetic force of a pair magnetic pole formation, and make between electric actuator and valve completely isolated by magnetic driving mechanism, valve is closed completely.
2, this novel totally enclosed electric valve is welded with waling on valve gap, can ensure that valve gap has the steering force of enough Rigidity and strength supports electric devices and extraneous percussion, and alleviate the quality of valve gap, in addition because stiffening rib has thermolysis, reduce medium temperature in Electric actuator and, to the adverse effect of Electric actuator, motor insulation material, ensure that the reliability of Electric actuator long-term work.
3, this electric gate valve can make valve reach without external leakage, and sealing is reliable, can also make the compact structure of valve, reduces manufacture cost, therefore all will play positive role to environmental protection, personal safety.
4, valve rod is connected with flashboard and adopts concave side assembling structure by this Novel Brake Valve, reduces Conncetion cimension, reduces the height of valve, improve the stability of valve.
Be further described originally novel below in conjunction with the drawings and specific embodiments.
Accompanying drawing explanation
Fig. 1 is this novel traditional shielding totally enclosed electric gate valve structure schematic diagram;
Fig. 2 is this novel totally enclosed electric gate valve structure schematic diagram;
Fig. 3 is this Novel Brake Valve and valve rod bindiny mechanism schematic diagram.
Embodiment
embodiment 1
As shown in Figure 2, this novel a kind of totally enclosed electric gate valve, it comprises the compositions such as valve body 1, valve gap, flashboard 3, ball screw pair 4, electric actuator 5, valve rod 6 and bearing; Described valve gap is provided with stiffening rib 11; Described valve rod 6 and valve plate 3 are provided with concave side dress linkage structure; Described valve rod is provided with ball screw vice mechanism 4; Be provided with magnetic driving mechanism 7 between described valve body 1 and electric actuator 5, described driving mechanism 7 comprises support 71, external rotor 72, internal rotor 73, radome 74; Described support 71 is located at below electric actuator; Described external rotor 72 is located in rack bore rotationally; The lower lumen wall of described internal rotor 73 is fixed setting-in one Stem Mut; The middle part outer wall of described internal rotor 73 is fixed suit one magnet circle 8, this internal rotor is located in the inner chamber of described external rotor, is contained in the top of valve rod 6 to make described Stem Mut screw-casing; A bearing is respectively equipped with between the top internal chamber wall of described internal rotor and described radome 74, between the bottom outer wall of described internal rotor and described valve body.Described radome 74 is located between external rotor 72 and internal rotor 73, and the lower flange of this radome 74 is connected between the upper-end surface of valve body and the lower end surface of support.
As shown in Figure 3, described valve rod 6 is connected with flashboard 3 and adopts concave side assembling structure, reduces Conncetion cimension, reduces the height of valve, improve the stability of valve.This novel totally enclosed electric valve is welded with waling 11 on valve gap in addition, can ensure that valve gap has the steering force of enough Rigidity and strength supports electric devices and extraneous percussion, and alleviate the quality of valve gap, in addition because stiffening rib has thermolysis, reduce medium temperature in Electric actuator and, to the adverse effect of Electric actuator, motor insulation material, ensure that the reliability of Electric actuator long-term work.
The upper end of described valve rod 6 connects a feedback rod 9, and this feedback rod is electrically connected with the display unit being positioned at described gate valve outside.In addition, an anticollision ring 10 is provided with between this novel bottom outer wall at external rotor 72 and the lower lumen wall of described support.
The working principle of this novel totally enclosed electric gate valve is:
Drive retarder to complete the switch of valve by motor, drive external rotor 72 to rotate by electric actuator 5.Because external rotor is equipped with a circle magnet 8, internal rotor 73 is also equipped with a circle magnet, has a radome 74 between inner and outer Rotator 72,73, the rotation of external rotor can produce magnetic force, thus drives internal rotor to rotate.The Stem Mut that rotarily drives of internal rotor rotates, and is moved up and down by the connecting thread band ovable valve stem 6 on Stem Mut, thus completes the opening and closing action of gate valve.Retarder can bidirectional rotation transmission, and rotor and retarder adopt direct keyed to be connected with a joggle, and make complete machine mechanism simple, reliable transmission is stablized.This novel valve stem adopts ball screw auxiliary structure, makes its outer circulation change Inner eycle into, has adapted to the demand of system media, reduced friction torque and driving torque, can the less driving mechanism of matched power.
This is novel owing to adopting motor to drive retarder to complete switch of valve, arranges magnetic field driving mechanism simultaneously and makes magnetic force power can long-term work under medium conduction, and can stress switching manipulation continuously in situation; This novel employing magnetic drives just can the mechanism of carry-over moment in addition, and this mechanism only replaces by the magnetic force of a pair magnetic pole formation, and make between electric actuator and valve completely isolated by magnetic driving mechanism, valve is closed completely.
Claims (5)
1. a totally enclosed electric gate valve, is characterized in that: it comprises valve body, valve gap, flashboard, ball screw pair, electric actuator, valve rod and bearing; Described valve gap is provided with stiffening rib; Described valve rod and valve plate are provided with concave side dress linkage structure; Described valve rod is provided with ball screw vice mechanism; Be provided with magnetic driving mechanism between described valve body and electric actuator, described driving mechanism comprises a support, an external rotor, an internal rotor, a radome; Described is set up in below electric actuator; Described external rotor is located in rack bore rotationally; The lower lumen wall of described internal rotor is fixed setting-in one Stem Mut; Described radome is located between external rotor and internal rotor, and the lower flange of this radome is connected between the upper-end surface of valve body and the lower end surface of support; The middle part outer wall of described internal rotor is fixed suit one magnet circle, this internal rotor is located in the inner chamber of described external rotor, is contained in the top of valve rod to make described Stem Mut screw-casing; A bearing is respectively equipped with between the top internal chamber wall of described internal rotor and described radome, between the bottom outer wall of described internal rotor and described valve body.
2. a kind of totally enclosed electric gate valve as claimed in claim 1, is characterized in that: described electric actuator comprises shielding permanent magnetic step motor and planetary reducer; Described shielding permanent magnetic step motor and planetary reducer are set to keyed and are connected with a joggle.
3. a kind of totally enclosed electric gate valve as claimed in claim 1, is characterized in that: be provided with packing ring between described radome lower end surface and the upper-end surface of valve body.
4. a kind of totally enclosed electric gate valve as claimed in claim 1, it is characterized in that: the upper end of described valve rod connects a feedback rod, this feedback rod is electrically connected with the display unit being positioned at described gate valve outside.
5. a kind of totally enclosed electric gate valve as claimed in claim 1, is characterized in that: be provided with an anticollision ring between the bottom outer wall of described external rotor and the lower lumen wall of described support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420206870.XU CN204062101U (en) | 2014-04-26 | 2014-04-26 | A kind of totally enclosed electric gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420206870.XU CN204062101U (en) | 2014-04-26 | 2014-04-26 | A kind of totally enclosed electric gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204062101U true CN204062101U (en) | 2014-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420206870.XU Expired - Fee Related CN204062101U (en) | 2014-04-26 | 2014-04-26 | A kind of totally enclosed electric gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204062101U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104659958A (en) * | 2015-02-09 | 2015-05-27 | 重庆中控惠通仪表科技集团有限公司 | Permanent magnetic driving full-sealed electric actuator |
| CN107269870A (en) * | 2016-04-06 | 2017-10-20 | 上海电站阀门厂有限公司 | A kind of electronic gate valve of HTHP |
| CN114233918A (en) * | 2020-11-26 | 2022-03-25 | 辽宁五寰特种材料与智能装备产业技术研究院有限公司 | Totally-enclosed low-speed permanent magnet direct drive system for electric gate valve |
-
2014
- 2014-04-26 CN CN201420206870.XU patent/CN204062101U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104659958A (en) * | 2015-02-09 | 2015-05-27 | 重庆中控惠通仪表科技集团有限公司 | Permanent magnetic driving full-sealed electric actuator |
| CN107269870A (en) * | 2016-04-06 | 2017-10-20 | 上海电站阀门厂有限公司 | A kind of electronic gate valve of HTHP |
| CN114233918A (en) * | 2020-11-26 | 2022-03-25 | 辽宁五寰特种材料与智能装备产业技术研究院有限公司 | Totally-enclosed low-speed permanent magnet direct drive system for electric gate valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20180426 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |