CN2396254Y

CN2396254Y - Automatic return type valve electric controller

Info

Publication number: CN2396254Y
Application number: CN 99244536
Authority: CN
Inventors: 陈俊彦
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-09-14
Filing date: 1999-09-14
Publication date: 2000-09-13
Anticipated expiration: 2009-09-14

Abstract

An automatic return type valve electric controller comprises a shell, a power source is arranged on the top surface of the shell and connected with a driving gear, a driven gear meshed with the driving gear is fixedly arranged on a worm shaft, a worm is arranged at the tail end of the worm shaft, a worm wheel is meshed with one side of the worm, a clutch device is arranged below the worm wheel and protrudes downwards to be fixedly provided with a pinion, when the clutch device is electrified and absorbed, the pinion is connected with the worm wheel, a rack meshed with the pinion is arranged on the side of the pinion, and an elastic body is arranged at one end of the rack. When the motor and the clutch device are powered off, the valve body can automatically return to the safe position by the elastic body.

Description

Automatically reply type valve body electric controller

The utility model relates to a kind of valve body electric controller, can drive the valve body electric controller that valve body returns back to home automatically when referring to a kind of blackout especially.

Utilize electric power to come control valve body to open at present, the electric controller that closes, have a kind of as No. the 273284th, Taiwan patent announcement " " Vidacare corp of valve class or other analog " novel patent case (as shown in Figure 5); it mainly is to be provided with a housing 30; end face of this housing 30 connects establishes a motor 31; this motor is just controlled by three electric wires 310; return motion; and the central interior of housing 30, then axle is provided with a driving gear 32 by motor 31 transmissions, these driving gear 32 central authorities are transmission one sleeve 33 then, the outer rim of this sleeve 33 is the ring gears 34 that extend downwards that are pivoted, the outer rim of this ring gear 34 is to form wrom tooth 340 to distribute, and the wrom tooth 340 of this ring gear 34 and a worm screw 35 are meshed, and make this worm screw 35 protrude out the housing 30 external manual handles 350 of establishing again, and the inner circular tooth wheel 36 that the root edge of this ring gear 34 sheathed again can descend protruding control valve body 20 to open and close, and make the inner circular tooth wheel 36 interior rings of ring gear 34 all form ring tooths towards sleeve 33, and make the ring tooth position of this sleeve 33 with respect to the inner circular tooth wheel 36 of ring gear 34, then form the planetary pinion 37 of an off-centre;

By this, when the electronic control start of this kind, be to utilize motor 31 to drive driving gear 32 to drive sleeve 33 rotations, making sleeve 33 be eccentric planetary pinion 37 carries out planet at the inner circular tooth of ring gear 34 and inner circular tooth wheel 36 and rotatablely moves, and owing to ring gear 34 is restrained by worm screw 35 and maintained static, so planetary pinion 37 just directly drives inner circular tooth wheel 36, the rotation of this inner circular tooth wheel 36 of mat forms valve body 20 and opens and closes.

And by the structure of above-mentioned this kind valve body 20 electric controller bodies, it utilizes the collocation design of planetary gear train, can reach valve body 20 really to open and close more labour-saving effect, and appearing does not have too big problem; But if just actual the use analyzed then and can be found, this kind of tradition electric controller is to have several following problems:

1, when outage needs with artificial answer, cause easily reply not as good as and cause that other install factory in, the damage of facility:

Because the keying of above-mentioned this kind electric controller all utilizes motor 31 to finish; so in case run into when having a power failure; motor 31 power disappearance valve bodies 20 just can be stagnated motionless; and this moment, the operator just needed with manpower rotation manual handle 350; can make valve body 20 return back to safe position (may or close) for unlatching; only so still need manually can make valve body 20 return back to the design of home; regular meeting causes when temporary interruption; operator have little time valve body 20 is returned back to home, so just can cause other devices, equipment thereby damage.

2, switching motion is all finished with motor power, but motor need be selected motor three-way and the clockwise and anticlockwise start for use, and distribution is complicated and expend electric power:

Because the keying of this kind electric controller all utilizes motor 31 to finish, so but motor 31 must limit the use of the motor 31 in three-way clockwise and anticlockwise start, and three electric wires 310 like this complicated trouble (as shown in Figure 5) on distribution, open, close and all need utilize motor 31 to come start control, also rather expend electric power.

The purpose of this utility model is to provide a kind of type valve body electric controller that automatically replies, and when blackout, can drive valve body automatically and return back to home, and distribution is simple, only need the motor of the unidirectional rotation of apolegamy, can realize two-way switching motion, can save electric power.

The utility model provides a kind of type valve body electric controller that automatically replies, it is characterized in that: it comprises a housing, the housing end face is established a power source, this power source connection one is positioned at the driving gear of case top, housing side then horizontal pivot is provided with a worm shaft, set firmly on this worm shaft one with the driven gear of driving gear engagement, this worm screw the tip of the axis is established a worm screw, the side of this worm screw meshes a worm gear, this worm gear below sets firmly an engaging and disengaging gear, the relative main shaft of this engaging and disengaging gear is held to protrude out downwards in addition and is set firmly a small gear, when making this engaging and disengaging gear energising adhesive, small gear and worm gear link, and this small gear side level is provided with the tooth bar with pinion, and make tooth bar lean on an end of inner walls to establish an elastomer and inner walls to form and be connected.

The described type valve body electric controller that automatically replies, it is characterized in that: this worm gear is to be hubbed on the supporting frame in housing stage casing with a main shaft.

The described type valve body electric controller that automatically replies, it is characterized in that: this power source is a nonreversing motor.

The described type valve body electric controller that automatically replies, it is characterized in that: this engaging and disengaging gear is an electromagnetic clutch.

The described type valve body electric controller that automatically replies is characterized in that: with the tooth bar of pinion, be first tooth bar and second tooth bar that is positioned at the small gear both sides wherein.

The utility model compared with the prior art advantage and good effect is very obvious.By above technological scheme as can be known, during the utility model energising start, can utilize motor via worm screw, worm gear and engaging and disengaging gear agree with and driving pinion, make valve body form closure or openness, and make first, two tooth bars form compression with elastomer or stretch, and when motor and engaging and disengaging gear outage, then but engaging and disengaging gear then forms separation, then by compression or the elastomer that stretches just can form resilience, and make first, the bidentate bar drives small gear, and make valve body automatically return to Chang Kai or the normal safe condition that closes, make valve body autoamtic safe reset when the utlity model has outage, save effects such as electric power and distribution are simple.

Further specify specific structural features of the present utility model and purpose below in conjunction with accompanying drawing.

Brief Description Of Drawings:

Fig. 1 is the schematic perspective view of the utility model enclosure interior configuration.

Fig. 2 is the horizontal cross-sectional schematic of the utility model enclosure interior configuration.

Fig. 3 be the utility model Fig. 1 operating state vertically analyse and observe signal.

Fig. 4 be the utility model Fig. 2 operating state vertically analyse and observe signal.

Fig. 5 is the broken section schematic appearance of traditional valve body electric controller.

At first please cooperate referring to Fig. 1, shown in 2 and 3, wherein the utility model is to be provided with a housing 10, the end face of this housing 10 is to be provided with a motor 11 (as Fig. 1, shown in 3), and the motor drive shaft 110 that makes this motor 11 is vertical housing 10 inside of stretching into, and set firmly a driving gear 12 in motor drive shaft 110 ends, and make the position of housing 10 sides with respect to motor drive shaft 110, then level be provided with one with the worm shaft 130 of motor drive shaft 110 axes intersect, and make and set firmly a driven gear 14 that is meshed with driving gear 12 on this worm shaft 130, and these worm shaft 130 ends are stretched establish again and formed a worm screw 13, the side of this worm screw 13 then engagement driving one is hubbed at the worm gear 15 of housing 10 central authorities, making this worm gear 15 is to be hubbed on the horizontal shore 16 in housing 10 stage casings with a main shaft 150, the end face of this main shaft 150 in the below of supporting frame 16 then sets firmly an engaging and disengaging gear 17, wherein this engaging and disengaging gear 17 is the electromagnetic clutchs that can be as shown in the figure, these engaging and disengaging gear 17 relative main shafts 150 are held then to stretch downwards in addition and are established a Control Shaft 170, and make and set firmly a small gear 18 on this Control Shaft 170, when making these engaging and disengaging gear 17 energising adhesives, small gear 18 is able to form with moving with main shaft 150, the both sides that housing 10 is positioned at small gear 18 then level are engaged with first tooth bar 180 and second tooth bar 181 (as Fig. 1, shown in 2), and make first, two gears 180,181 differ from the end of small gear 18, respectively establish an elastomer 182 and be connected on the inwall of housing 10, constitute electric controller of the present utility model with this;

By this, when the utility model when installing and using (as Fig. 3, shown in 4), be the utility model can be installed on the valve body 20, come the keying start of hitch control valve body 20 with Control Shaft 170, and when the utility model when general normal state is used, motor 11 and engaging and disengaging gear 17 can be formed energising, and the power that makes motor 11 is via motor drive shaft 110, driving gear 12 reaches driven gear 14, by driven gear 14 power being driven worm gear 15 and main shaft 150 via the worm screw 13 of worm shaft 130 again forms to slow down and rotates, and agree with state (as shown in Figure 3) owing to engaging and disengaging gear 17 at this moment also forms energising simultaneously, so the power of main shaft 150 just can drive Control Shaft 170 synchronously via engaging and disengaging gear 17 and rotate, the Control Shaft 170 of using rotation comes control valve body 20 to form the action of closure or openness; And because Control Shaft 170 when rotating, also can drive this small gear 18 rotates together, small gear 18 is first and second tooth bar 180,181 of transmission both sides more just, make first and second tooth bar 180,181 form the opposite direction slippage, and elastomer 182 is formed the state (being illustrated in figure 4 as compressive state) that stretches or compress by first and second tooth bar 180,181;

And when the utility model after start finishes, just may command makes engaging and disengaging gear 17 form outage (as shown in Figure 4), and make the power of rotation of Control Shaft 170 disappear, each elastomer 182 meeting formation resilience that reason was stretched or compressed this moment, and make first, two tooth bars 180,181 return back to initial state fast, and then with first, two tooth bars 180, in the time of 181 answer starts, drive small gear 18 and the reciprocal rotation of Control Shaft 170 formation, and then make the valve body 20 of closure or openness originally, in outage, can return back to fast automatically and often open before driving or normally closed safety opens the beginning position, make the utility model reach the effect of fast and safely replying with this.

In addition, because the utility model utilizes elastomer 182 to reply the design of start, so motor 11 of the present utility model is selected, only need selection to use the motor 11 of unidirectional rotation can reach the effect of two-way keying start, and so design, not only only needing simply on motor 11 and engaging and disengaging gear 17, to install electric wire 19 in the configuration of electric wire 19, more only needing to reach the effect of saving electricity usage with unidirectional drive.

Claims

1. An electric controller with an automatic return type valve body, which is characterized in that it includes a housing, a power source is provided on the top surface of the housing, the power source is connected to a driving gear at the top of the housing, and the side of the housing is A worm shaft is horizontally pivoted, a driven gear meshing with the driving gear is fixed on the worm shaft, a worm is arranged at the end of the worm shaft, a worm wheel is engaged with one side of the worm, and a clutch device is fixed below the worm wheel, The clutch device protrudes downward relative to the other end of the main shaft, and a pinion gear is fixed downward, so that when the clutch device is energized and engaged, the pinion gear is connected with the worm wheel, and a rack meshing with the pinion gear is horizontally provided on the side of the pinion gear, so that An elastic body is provided at one end of the rack close to the inner wall of the housing to form a connection with the inner wall of the housing.

2. The self-returning electric valve body controller according to claim 1, wherein the worm gear is pivoted on a support frame in the middle of the housing by a main shaft.

3. The electric controller of the automatic return type valve body according to claim 1, wherein the power source is a one-way motor.

4. The electric controller of automatic recovery type valve body according to claim 1, wherein the clutch device is an electromagnetic clutch.

5. The self-returning type valve body electric controller according to claim 1, wherein the rack meshing with the pinion is the first rack and the second rack located on both sides of the pinion.