CN205173636U - Motor gearbox drive's class valving - Google Patents

Abstract

The utility model discloses a motor gearbox drive's class valving, including consecutive power supply, actuator and valve body, the other end of valve body is sealed to be fixed with valve body flange, is provided with swing joint's transmission shaft and flashboard in the passageway of valve body, and the transmission shaft links to each other with the actuator, passes the valve body lateral wall and is provided with the magnetic force flange, passes magnetic force flange, flashboard and valve body and radially sets up the media channel who link up, and the power source drive actuator drives the flashboard and removes in the valve body passageway. The utility model discloses a magnetic force that motor gearbox drive's class valving adopted resistant high temperature permanent magnetic materials to make is vice to be provided the valve and need not the required effort of backpressure condition lower seal to and high temperature resistant, high -pressure, corruption and radiation resistance's sealed vice valve surface of realization and line contact rigidity are sealed, connected modes such as actuator, sealing washer static sealing structure and flange, welding can realize reliable external seal, adopt full -scale media channel can realize smoothly passing through of fluid and big particulate medium.

Description

The class valving that motor reducer drives

Technical field

The utility model belongs to valve technology field, is specifically related to the class valving that a kind of motor reducer drives.

Background technique

Nuclear power, petrochemical field are very high to the inside and outside seal request of valve worked under high temperature, high pressure, severe corrosive, strong leakage medium and hot operating conditions, but limit by conditions such as sealing material, sealing configuration, radiological effect and active forces, be difficult to realize the hermetically sealed of valve, especially at minimum molecule as under helium medium, interior difficult sealing is to meet the demands.

Meanwhile, to material conveying pipe system, except having except strict demand to external sealed in valve, still needing and solving greater particle size material if high temperature gas cooled reactor fuel element is smoothly by problem, and the fast opening and closing problem of valve.

Model utility content

The purpose of this utility model is the class valving providing a kind of motor reducer to drive, solve existing valve exist be difficult to realize hermetic problem.

The technological scheme that the utility model adopts is: the class valving that motor reducer drives, comprise the power source, driver and the valve body that are connected successively, the other end sealing of valve body is fixed with valve flange, transmission shaft and the flashboard of flexible connection is provided with in the passage of valve body, transmission shaft is connected with driver, body wall is provided with magnetic force flange, offer through medium channel through magnetic force flange, flashboard and valve body radial direction, power source drives driver to drive flashboard to move in valve channel.

Feature of the present utility model is also,

Also comprise magnetic force pair, magnetic force pair is made up of the magnetostatic body be oppositely arranged and dynamic magnet, and magnetostatic body is embedded in the magnetic force flange inwall relative with flashboard, and dynamic magnet is embedded in flashboard, and the active force of the magnetic force pair of magnetostatic body and dynamic magnet composition is mutual expelling force.

Magnetostatic body and dynamic magnet adopt samarium-cobalt permanent-magnetic material to make.

Also comprise rigid seal pair, rigid seal pair is made up of the static seal body be oppositely arranged and motive sealing body, and static seal body is embedded in valve interior surface and is positioned at around medium channel, and motive sealing body is embedded in the sidewall of flashboard.

The surface of contact of magnetostatic body and dynamic magnet is plane, cambered surface or the conical surface.

The internal surface of valve body is provided with the position limit pin adapted with gate travel.

Power source is motor reducer, and driver comprises actuator holder, and the two ends of actuator holder are respectively arranged with external rotor and internal rotor, and external rotor is connected with motor reducer, by spacer and valve seals sealing between actuator holder and valve body.

The beneficial effects of the utility model are: the class valving that motor reducer of the present utility model drives solves being difficult to that existing valve exists and realizes hermetic problem.The class valving that motor reducer of the present utility model drives adopts the magnetic force of high temperature resistant permanent-magnet material manufacture pair to provide valve without the need to the active force required for backpressure condition lower seal, and high temperature resistant, high pressure, corrosion and Flouride-resistani acid phesphatase sealing pair realize valve plane and linear contact lay rigid seal; Driver, seal ring static sealing structure and the Placement such as flange, welding can realize reliable external sealed; And if adopt full-scale medium channel can realize fluid and the smooth and easy of large particle medium passes through.

Accompanying drawing explanation

Fig. 1 is the structural representation of the class valving that motor reducer of the present utility model drives;

Fig. 2 is the part sectioned view of flashboard in Fig. 1;

Fig. 3 is the static seal body of rigid seal pair of the present utility model and the partial enlarged drawing of motive sealing body plane contact structures;

Fig. 4 is the static seal body of rigid seal pair of the present utility model and the partial enlarged drawing of motive sealing body cambered surface contact structures;

Fig. 5 is the static seal body of rigid seal pair of the present utility model and the partial enlarged drawing of motive sealing body cone contact structures.

In figure, 1. motor reducer, 2. external rotor, 3. actuator holder, 4. internal rotor, 5. spacer, 6. valve seals, 7. transmission shaft, 8. valve body, 9. static seal body, 10. motive sealing body, 11. flashboards, 12. valve flanges, 13. valve flange seal rings, 14. magnetic force flanges, 15. magnetostatic bodies, 16. dynamic magnets, 17. magnetic force flange seal rings, 18. balls, 19. position limit pins.

Embodiment

The structure of the class valving that motor reducer of the present utility model drives comprises power source, driver and the valve body 8 be connected successively, the other end sealing of valve body 8 is fixed with valve flange 12, transmission shaft 7 and the flashboard 11 of flexible connection is provided with in the passage of valve body 8, transmission shaft 7 is connected with driver, valve body 8 sidewall is provided with magnetic force flange 14, offer through medium channel through magnetic force flange 14, flashboard 11 and valve body 8 radial direction, power source drives driver to drive flashboard 11 to move in valve channel.

Also comprise magnetic force pair, magnetic force pair is made up of the magnetostatic body 15 be oppositely arranged and dynamic magnet 16, magnetostatic body 15 and dynamic magnet 16 adopt samarium-cobalt permanent-magnetic material to make, magnetostatic body 15 is embedded in magnetic force flange 14 inwall relative with flashboard 11, dynamic magnet 16 is embedded in flashboard 11, and the active force of the magnetic force pair that magnetostatic body 15 and dynamic magnet 16 form is mutual expelling force.

Also comprise rigid seal pair, rigid seal pair is made up of the static seal body 9 be oppositely arranged and motive sealing body 10, and static seal body 9 is embedded in valve body 8 internal surface and is positioned at around medium channel, and motive sealing body 10 is embedded in the sidewall of flashboard 11.

The surface of contact of magnetostatic body 15 and dynamic magnet 16 is plane, cambered surface or the conical surface.

The internal surface of valve body 8 is provided with the position limit pin 19 adapted with flashboard 11 stroke.

Power source is motor reducer 1, driver comprises actuator holder 3, the two ends of actuator holder 3 are respectively arranged with external rotor 2 and internal rotor 4, and external rotor 2 is connected with motor reducer 1, are sealed between actuator holder 3 and valve body 8 by spacer 5 and valve seals 6.

Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.

The structure of the class valving that the motor reducer that the utility model provides drives as shown in Figure 1, comprising: motor reducer 1, external rotor 2, actuator holder 3, internal rotor 4, driver spacer 5, valve seals 6, transmission shaft 7, valve body 8, static seal body 9, motive sealing body 10, flashboard 11, valve flange 12, valve flange seal ring 13, magnetic force flange 14, magnetostatic body 15, dynamic magnet 16, magnetic force flange seal ring 17, ball 18, position limit pin 19.

Motor reducer 1 is fixed on actuator holder 3, and external rotor 2 adopts axis hole Placement, and the axle of motor reducer 1 adopts key to be connected with external rotor 2;

Valve body 8 is overall structure, the inwall side fixed installation static seal body 9 consistent with medium channel;

Valve body 8 and external interface adopt form of flanges, and are provided with sealing seal groove, are sealed afterwards and valve flange 12 is fastenedly connected by valve flange seal ring 13;

Spacer 5 and valve body 8 plane contact, and valve seals 6 is installed, spacer 5 is fastened on valve body 8 by actuator holder 3;

Transmission shaft 7 one end adopts with internal rotor 4 and is threaded into screw structure, and the other end is flexibly connected with flashboard 11;

Flashboard 11 liang of planes are mounting plane motive sealing body 10 and dynamic magnet 16 respectively, as shown in Figure 2, its two narrow facade can load four balls 18, be placed in the inside square cavity of valve body 8, reduce friction when flashboard moves up and down, then install two in valve body 8 bi-side for controlling the position limit pin 19 of flashboard 11 stroke;

Fixedly mount magnetostatic body 15 inside magnetic force flange 14, install magnetic force flange seal ring 17 additional be tightly connected with valve body 8 by fastening piece;

Magnetic force flange 14 outer side surface and external interface adopt form of flanges, and are provided with sealing seal groove;

Valve flange 12 is by fastening piece and install valve flange seal ring 13 additional and be tightly connected with valve body 8;

The contact face structure of static seal body 9 and motive sealing body 10 can be plane contact as shown in Figure 3, can also be as shown in Figure 4 and Figure 5 camber line contact or taper-face contact carry out correspondence replacement;

Valve body 8, valve flange 12, valve flange seal ring 13, spacer 5, valve seals 6, magnetic force flange 14, magnetic force flange seal ring 17 form the pressure boundary of the utility model under medium circulation status;

Valve body 8, valve flange 12, valve flange seal ring 13, spacer 5, valve seals 6, static seal body 9, motive sealing body 10, magnetic force flange 14, magnetic force flange seal ring 17 form the utility model pressure boundary in the off case;

Static seal body 9, motive sealing body 10 form sealing pair, and it adopts high-strength, high alloy material that is hard, wear-resisting, corrosion-resistant, Flouride-resistani acid phesphatase to make, and provides sealing function in valve;

Magnetostatic body 15, dynamic magnet 16 form mutual expelling force magnetic force pair, and employing heatproof, Flouride-resistani acid phesphatase samarium-cobalt permanent-magnetic material are made, and provide valve without the need to the sealing force under backpressure condition;

External rotor 2, actuator holder 3, internal rotor 4 form driver main structure, and rotary motion is converted to straight line motion, realize flashboard 11 transmission shaft 7 drive under rising and decline function;

Working procedure of the present utility model is: starting electrical machinery speed reducer 1, external rotor 2 is driven to rotate, make internal rotor 4 synchronous rotary, transmission shaft 7 drives flashboard 11 to rise, the active force that repels each other of the magnetic force pair that magnetostatic body 15, dynamic magnet 16 are formed is dropped rapidly to nothing, the sealing pair that static seal body 9, motive sealing body 10 are formed becomes disengaging from impaction state, power-off when flashboard 11 arrives stroke, medium channel on flashboard 11 communicates with the medium channel on flange connected valve body 8 and magnetic force flange 14, makes valve reach opening state.When needs throttle down, reverse motors is to flashboard 11 stroke.

Claims (6)

1. the class valving of motor reducer driving, it is characterized in that, comprise the power source be connected successively, driver and valve body (8), the other end sealing of described valve body (8) is fixed with valve flange (12), transmission shaft (7) and the flashboard (11) of flexible connection is provided with in the passage of described valve body (8), described transmission shaft (7) is connected with driver, described valve body (8) sidewall is provided with magnetic force flange (14), through described magnetic force flange (14), flashboard (11) and valve body (8) radial direction offer through medium channel, described power source drives driver to drive flashboard (11) to move in valve channel, the internal surface of described valve body (8) is provided with the position limit pin (19) adapted with flashboard (11) stroke.

2. the class valving of motor reducer driving as claimed in claim 1, it is characterized in that, also comprise magnetic force pair, described magnetic force pair is made up of the magnetostatic body (15) be oppositely arranged and dynamic magnet (16), described magnetostatic body (15) is embedded in magnetic force flange (14) inwall relative with flashboard (11), described dynamic magnet (16) is embedded in flashboard (11), and the active force of the magnetic force pair that described magnetostatic body (15) and dynamic magnet (16) form is mutual expelling force.

3. the class valving of motor reducer driving as claimed in claim 2, is characterized in that, described magnetostatic body (15) and dynamic magnet (16) adopt samarium-cobalt permanent-magnetic material to make.

4. the class valving of motor reducer driving as claimed in claim 2, it is characterized in that, also comprise rigid seal pair, described rigid seal pair is made up of the static seal body (9) be oppositely arranged and motive sealing body (10), described static seal body (9) is embedded in valve body (8) internal surface and is positioned at around medium channel, and described motive sealing body (10) is embedded in the sidewall of flashboard (11).

5. the class valving of motor reducer driving as claimed in claim 4, it is characterized in that, the surface of contact of described magnetostatic body (15) and dynamic magnet (16) is plane, cambered surface or the conical surface.

6. the class valving of motor reducer driving as claimed in claim 1, it is characterized in that, described power source is motor reducer (1), described driver comprises actuator holder (3), the two ends of described actuator holder (3) are respectively arranged with external rotor (2) and internal rotor (4), described external rotor (2) is connected with motor reducer (1), is sealed between described actuator holder (3) and valve body (8) by spacer (5) and valve seals (6).