CN2474839Y

CN2474839Y - Moment of momentum impulse electro valve core

Info

Publication number: CN2474839Y
Application number: CN 01235469
Authority: CN
Inventors: 杜家访
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-04-17
Filing date: 2001-04-17
Publication date: 2002-01-30
Anticipated expiration: 2011-04-17

Abstract

An angular momentum pulse electrical valve core comprises a water inlet tube, a water outlet tube, a valve body and a valve of a valve chamber, wherein, a gearing device composed of a pulling rod, a swing wheel and a generator is arranged inside the swing chamber next to the valve chamber, one end of the pulling rod of the gearing device is connected with a rubber plug valve in the rear chamber, the pulling rod can be pulled by the swing wheel to control the on-off of the valve chamber and the valve mouth. The utility model achieves scientific design, simple structure, apt and reasonable structural improvement and successful overcoming of the disadvantages of the easy sticking furring of the current pulse electromagnetic valve core, which greatly improves the reliability of the product and prolongs the using life of the battery.

Description

Moment of momentum pulse electric spool

The utility model relates to the improvement of valve core structure, especially a kind of moment of momentum pulse electric spool that is used for the automatic inductive faucet of public sanitary place.

At present, at a lot of public sanitary places automatic inductive faucet has been installed all, the spool of existing automatic inductive faucet is generally the pulse electromagnetic spool.This pulse-controlled electromagnetic valve core has a valve body that is provided with intake pipe, outlet pipe and valve pocket, be provided with a valve that constitutes by glue valve gap and spring in the valve pocket, the valve place of chewing that valve pocket tail chamber communicates with the outlet pipe arm is furnished with one can be with the rubber plug valve of its shutoff, and described rubber plug valve is by controlled by the cooperation of pulse electromagnetic armature and magnet.When the pulsed voltage action solenoid, armature is inhaled into, the plug sheet of rubber plug valve breaks away from valve to be chewed, and valve is chewed unlatching, and the interior water of valve pocket this moment is promptly chewed from outlet pipe from this valve and discharged, the decline of hydraulic pressure in the valve pocket, press water in the intake pipe can back down the valve of shutoff in the intersection of intake pipe and outlet pipe naturally, forms unimpeded water transport channel, after pulsed voltage is gone over, armature is held by magnet, and valve is kept opening state; When coil inserted negative impulse, armature was ejected, and impelled the plug sheet of rubber plug valve to block valve and chewed, and valve is chewed and is closed condition, pulsed voltage in the past after, the plug sheet is kept this state under the effect of spring.Though the application of this pulse electromagnetic spool on automatic inductive faucet can be satisfied convenient, healthy, the water-saving needs of people.But find that in use the pulse electromagnetic spool of this structure is because the gap of armature and coil is meticulous, and whole armature is immersed in the water, very easily bondd and malfunctioning by incrustation scale.In addition, the required driving electric energy of this electromagnetic valve core is bigger, if with dryelement cell during as the energy, battery electric quantity exhausts very soon, in case the electric weight deficiency of battery promptly can influence the normal operation of electromagnetic valve core, need often to change battery, otherwise will influence the normal use of automatic inductive faucet.

The purpose of this utility model is the deficiency that exists at above-mentioned pulse electromagnetic spool, and a kind of moment of momentum pulse electric spool low, good reliability that consumes energy is provided.

Moment of momentum pulse electric spool of the present utility model, comprise: the valve body that is provided with intake pipe, outlet pipe and valve pocket, be provided with a valve that constitutes by glue valve gap and spring in the valve pocket, the valve place of chewing that valve pocket tail chamber communicates with the outlet pipe arm is furnished with one and the rubber plug valve of its shutoff can be is characterized in that: a power-transmitting unit of being made up of driving lever, escapement and motor is arranged in the escapement chamber in valve pocket next door; Driving lever one end of driving mechanism is inserted to the tail chamber of valve pocket with sealing means from the axis hole on the next door, connects with rubber plug valve in the tail chamber; Escapement is installed on the motor shaft, which is provided with can with the projection of driving lever end in contact; Escapement can be stirred driving lever and swing; The radial position of escapement also is provided with and is used to limit driving lever the swing limiting stopper and the spacing magnetic block of angle.

Another key character of the present utility model is: being with one on the driving lever can be with the water proof glue trunnion cover of valve cavity wall axis hole sealing.

The utility model moment of momentum pulse electric spool has following characteristics:

1, escapement and the motor owing to the control driving lever is arranged in the outer escapement chamber of valve pocket, and between axis hole between valve pocket and escapement chamber and the driving lever seal approach is arranged, water in the valve pocket can not enter the escapement chamber, driving mechanism that motor and escapement constitute is worked under the state of isolating fully with water, thereby guaranteed the normal operation of whole electronic spool.The improvement of said structure makes to be in the mutual gap of the interior action component of valve pocket all greater than 2mm, is difficult for being bondd and malfunctioning by incrustation scale, and reliability is significantly improved.

2, according to the momentum theory, utilize the motor stored moment of momentum that rotates a circle in moment, to discharge, the bump driving lever is realized the keying of valve.Compare with existing electromagnetic valve core, it has not only reduced the requirement to battery performance, and has prolonged the working life of battery greatly.

3, water proof glue trunnion overlaps the contradiction that has solved interior hydraulic pressure sealing of valve pocket and power transmission resistance effectively cleverly, both guaranteed the reliable sealing in valve pocket inner high voltage pool, be unlikely the rotation that hinders driving lever again, make the small kinetic force of motor handle the rubber plug valve that valve pocket tail end valve is chewed by driving lever.And then control the operation of whole spool.

Moment of momentum pulse electric spool design science of the present utility model, simple in structure, ingenious on its structure, rational improvement, successfully overcome the defective that existing pulse electromagnetic spool is easily bondd by incrustation scale, improved reliability of products greatly, and prolonged the working life (improving more than the twice) of battery significantly than existing electromagnetic valve core.

The concrete structure of the utility model moment of momentum pulse electric spool is provided in detail by the following drawings and embodiment.

Fig. 1 is a moment of momentum pulse electric valve core structure schematic representation;

Fig. 2 is that moment of momentum pulse electric spool is overlooked cross-sectional view;

Fig. 3 is that cross-sectional view is looked on a moment of momentum pulse electric spool left side.

Embodiment: can be clear that from Fig. 1, Fig. 2 and Fig. 3 the basic structure of moment of momentum pulse electric spool is similar to existing pulse electromagnetic spool.Be provided with the valve body 4 of intake pipe 1, outlet pipe 2 and valve pocket 3, valve pocket 3 communicates with intake pipe 1 and outlet pipe 2, and the valve of valve pocket 3 tail chambers 10 is chewed 5 and communicated with the arm 6 of outlet pipe 2; Be provided with a valve 9 that is made of valve gap 7 and spring 8 in the valve pocket 3, have a through hole 11 on the valve gap 7, this through hole 11 makes intake pipe 1 communicate with valve pocket 3.Valve 9 is arranged on the intersection of intake pipe 1 and outlet pipe 2, is used for the shutoff of 2 of intake pipe 1 and outlet pipes.But valve pocket 3 tail chambers 10 are installed a shutoff tail end valve by support 16 and are chewed 5 rubber plug valve 12, and rubber plug valve 12 is furnished with spring 25.One driving mechanism of being made up of driving lever 13, escapement 14 and motor 15 is installed in the escapement chamber 17 in valve pocket 3 next doors, described driving lever 13 is the bent axle shape, bent axle shape driving lever 13 1 ends pass the logical valve pocket 3 tail chambers 10 that are inserted to of axis hole on the next door 26, rubber plug valve 12 in the pole end 18 of driving lever 13 and the tail chamber 10 connects, axis hole on the next door 26 is furnished with a glue trunnion cover 19 with driving lever 13 sealing insertings, and driving lever 13 can radially rotate in axis hole and glue trunnion cover 19.The escapement 14 of driving mechanism is installed in the rotating shaft 20 of motor 15, escapement 14 cards are provided with the projection 22 that can hold pole end 21 to contact in addition with driving lever 13, and the radial position of escapement 14 also is provided with and is used to limit driving lever 13 the swing limiting stopper 23 and the spacing magnetic block 24 of angle.

The working procedure of this moment of momentum pulse electric spool is: under the closed condition, water in valve body 4 intake pipes 1 enters valve pocket 3 by the through hole on the valve gap 7 11, because the valve that this moment, rubber plug valve 12 was blocked valve pocket tail chamber 10 under the effect of spring chews 5, hydraulic pressure in the valve pocket 3 increases, valve gap 7 blocks outlet pipe 2 valve ports under the effect of two sides differential water pressures, when motor 15 adds direct impulse voltage, the escapement 14 that motor 15 drives in its rotating shaft clockwise rotates, it is that swing to the right in the center of circle with the axis hole that has glue trunnion cover 19 that projection 22 on the escapement 14 is stirred driving lever 13, and limited magnetic block 24 holds, direct impulse was after the past, motor 15 promptly shuts down, and driving lever is kept this state under the suction of spacing magnetic block 24.The then swing left of the end in addition of driving lever 13, thereby drive the rubber plug valve 12 disengaging valves that connect with it and chew 5, make valve chew 5 and be opening state, water in this moment valve pocket 3 is promptly chewed 5 from this valve and is discharged from outlet pipe 2 through arm 6, hydraulic pressure in the valve pocket 3 descends, water pressure in the intake pipe 1 can be backed down shutoff naturally at the valve 9 of intake pipe 1 with the intersection of outlet pipe 2, form unimpeded water transport channel, and this moment, moment of momentum pulse electric spool was opening state.When motor 15 adds negative-going pulse voltage, escapement 14 inhours that motor 15 drives in its rotating shaft are rotated, projection 22 on the escapement 14 is stirred driving lever 13 and is swung left, the then swing to the right of the end in addition of driving lever 13, thereby the rubber plug valve 12 that drive connects with it is blocked valve and is chewed 5, stop the water in the valve pocket 3 to flow out, hydraulic pressure in the valve pocket 3 increases, be arranged on intake pipe 1 this moment and under the effect of two sides differential water pressures and spring 8, close outlet pipe 2 valve ports rapidly, finish closing of valve with the valve gap 7 of the valve 9 of the intersection of outlet pipe 2.After negative-going pulse was crossed and propped up, motor 15 promptly stopped operating, and rubber plug valve 12 is kept closed condition under the effect of spring 25.

Claims

1, a kind of moment of momentum pulse electric spool, comprise: the valve body (4) that is provided with intake pipe (1), outlet pipe (2) and valve pocket (3), be provided with a valve (9) by valve gap (7) and spring (8) formation in the valve pocket (3), the valve that valve pocket (3) tail chamber (10) communicates with outlet pipe (2) arm (6) is chewed (5) and located to be furnished with one and the rubber plug valve (12) of its shutoff can be is characterized in that: a power-transmitting unit of being made up of driving lever (13), escapement (14) and motor (15) is arranged in the escapement chamber (17) in valve pocket (3) next door; Driving lever (13) one ends of power-transmitting unit are inserted to the tail chamber (10) of valve pocket (3) with sealing means from the axis hole on next door (26), connect with rubber plug valve (12) in the tail chamber (10); Escapement (14) is installed on motor (15) axle, which is provided with can with the projection (22) of driving lever (13) end in contact; Escapement (14) can be stirred driving lever (13) and swing; The radial position of escapement 14 also is provided with and is used to limit driving lever (13) the swing limiting stopper (23) and the spacing magnetic block (24) of angle.

2, moment of momentum pulse electric spool according to claim 1, it is characterized in that: driving lever (13) is the bent axle shape, bent axle shape driving lever (13) one ends are inserted to valve pocket (3) tail chamber (10) by the axis hole on next door (26), and the rubber plug valve (12) in the pole end (18) of driving lever (13) and the tail chamber (10) connects; Driving lever (13) holds pole end (21) to contact with projection (22) in addition.

3, moment of momentum pulse electric spool according to claim 1 and 2, when its feature adds direct impulse voltage at machine 15, the escapement 14 that motor 15 drives in its rotating shaft clockwise rotates, it is that swing to the right in the center of circle with the axis hole that has glue trunnion cover 19 that projection 22 on the escapement 14 is stirred driving lever 13, and limited magnetic block 24 holds, direct impulse was after the past, and motor 15 promptly shuts down, and driving lever is kept this state under the suction of spacing magnetic block 24.The then swing left of the end in addition of driving lever 13, thereby drive the rubber plug valve 12 disengaging valves that connect with it and chew 5, make valve chew 5 and be opening state, water in this moment valve pocket 3 is promptly chewed 5 from this valve and is discharged from outlet pipe 2 through arm 6, hydraulic pressure in the valve pocket 3 descends, water pressure in the intake pipe 1 can be backed down shutoff naturally at the valve 9 of intake pipe 1 with the intersection of outlet pipe 2, form unimpeded water transport channel, and this moment, moment of momentum pulse electric spool was opening state.When motor 15 adds negative-going pulse voltage, escapement 14 inhours that motor 15 drives in its rotating shaft are rotated, projection 22 on the escapement 14 is stirred driving lever 13 and is swung left, the then swing to the right of the end in addition of driving lever 13, thereby the rubber plug valve 12 that drive connects with it is blocked valve and is chewed 5, stop the water in the valve pocket 3 to flow out, hydraulic pressure in the valve pocket 3 increases, be arranged on intake pipe 1 this moment and under the effect of two sides differential water pressures and spring 8, close outlet pipe 2 valve ports rapidly, finish closing of valve with the valve gap 7 of the valve 9 of the intersection of outlet pipe 2.Negative-going pulse was after the past, and motor 15 promptly stops operating, and rubber plug valve 12 is kept closed condition under the effect of spring 25.