CN2620152Y

CN2620152Y - Electrocontrolled ball valve speed reducing mechanism

Info

Publication number: CN2620152Y
Application number: CN 02244585
Authority: CN
Inventors: 杨云冬
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-10-31
Filing date: 2002-10-31
Publication date: 2004-06-09
Anticipated expiration: 2012-10-31

Abstract

The utility model relates to an electrical control ball valve reduction gear. The utility model is characterized in that the reduction gear is added on top of the manual ball valve. Drive a micro reducer (7) to decelerate first stage from the micro-motor (6) rotation, then decelerates second stage or multi-stages reducer from sector gear (8). The sector gear (8) is mounted on the revolution axis(11) of the ball valve center to drive the ball (12) to rotate for the control of the ball valve turn on (starting) and turn off (closing), reaching the purpose of scientific management.

Description

The electric-controlled ball valve reducing gear

The utility model relates to a kind of electric-controlled ball valve reducing gear, and this electric-controlled ball valve is widely used in the intellectuality control of fluid (water, gas), carries out automatically effectively conducting (unlatching) and by (closing), reaches the purpose of scientific management.

This electric-controlled ball valve mainly is made up of valve component, lower cover, loam cake, miniature reducer, micro motor, small gear, tooth sector, outer cover, position limit switch, rotating shaft and ball etc.

Its working principle is: give pulse electrical signal of micro motor, micro motor for driving miniature reducer one-level is slowed down, on the output shaft of miniature reducer, adorn a small gear and the formation double reduction that is meshed with tooth sector, tooth sector is contained in the rotating shaft, the drive ball rotates, position limit switch realizes the conducting (unlatching) of ball valve or ends (cutting out) in order to the angle of swing of accurate control ball.

The kind of existing electric-controlled ball valve is more, and it is that reducing gear boundary dimension is bigger that a common trait is arranged, the conducting of ball valve (unlatchings) and by (closing) required voltage height, conducting (unlatching), end (closing) time long, efficient is low.

The purpose of this utility model is in order to overcome the existing technical deficiency of electric-controlled ball valve, design a kind of reliable operation, conducting (unlatchings) and low by (closing) required starting resistor, starting time short, ouput force is apart from greatly and the little electric-controlled ball valve of boundary dimension.

Basic ideas of the present utility model are: with the micro motor and the miniature reducer of high speed rotating directly be connected realize that one-level is slowed down after, again by tooth sector secondary or multi-stage speed-reducing, correspondingly increase considerably the moment of rotating shaft driving ball valve, be aided with high-precision fixed bit unit simultaneously, reach the open and close purpose that fast, accurately drives ball valve.

The utility model has the advantages that: adopted miniature reducer, monnolithic case is small-sized, be active in one's movements; Adopt multi-stage speed-reducing and large diameter tooth sector, the rotatory force brachium, the driving moment of output is big, and very low voltage can both the opening and closing ball valve to apply; Adopt position limit switch accurately to locate, in time cut off the power supply, not only saved electric energy, and accurately closed, avoided owing to closing the minor leakage that produces not in place.

Fig. 1 is the embodiment's of electric-controlled ball valve a organigram.

Fig. 2 is the embodiment's of electric-controlled ball valve reducing gear a organigram.

Below in conjunction with accompanying drawing the utility model is done detailed description:

As Fig. 1, a kind of electric-controlled ball valve comprises: valve component (1), lower cover (3), loam cake (4), miniature reducer (7), micro motor (6), small gear (2), tooth sector (8), outer cover (5), position limit switch (10), rotating shaft (11) and ball (12).

Miniature reducer (7) and micro motor (6) link, be installed in the top of loam cake (4), on the output shaft of miniature reducer (7), adorn small gear (2), the bottom of small gear (2) and lower cover (3) form closely spaced being rotatably assorted, tooth sector (8) places between loam cake (4) and the lower cover (3), and and small gear (2) is meshed, and tooth sector (8) is installed in the rotating shaft (11), when slowing down, micro motor (6) rotating band actuating miniature retarder (7) rotates, driving the deceleration of small gear (2) and tooth sector (8) again rotates, rotate in order to drive spheroid (12), effectively finish the conducting (unlatching) of ball valve or end (closing).

As Fig. 2, actual is the enlarged view of the electric-controlled ball valve reducing gear among Fig. 1, in the inner chamber of lower cover (3), small gear (2) and the tooth sector (8) that is meshed with it and two position limit switches (10) are installed, when small gear (2) and tooth sector (8) when being meshed, drive rotating shaft (11) and rotate, position limit switch (10) is accurately located in order to the swing of control tooth sector (8).Locating engagement place at tooth sector (8) and position limit switch (10), have a breach (13) or positioning step (14), make position limit switch (10) can enter smoothly in the tooth sector (8), so just significantly reduced the length dimension of lower cover (3), be convenient to the appearance of overall appearance.

Claims

1, a kind of electric-controlled ball valve reducing gear comprises: micro motor 6, miniature reducer 7, loam cake 4, lower cover 3, small gear 2, tooth sector 8, position limit switch 10, outer cover 5, rotating shaft 11, it is characterized in that miniature reducer 7 directly links to each other with micro motor 6, be installed in the top of loam cake 4, and cover with outer cover 5, small gear 2 is installed on the output shaft of miniature reducer 7, lower cover 3 matches with the bottom of small gear 2, form closely spaced being rotatably assorted, tooth sector 8 places between loam cake 4 and the lower cover 3, and be meshed with small gear 2, tooth sector 8 is installed in the rotating shaft 11.

2, electric-controlled ball valve reducing gear according to claim 1, it is characterized in that between lower cover 3 and loam cake 4, installing small gear 2 and the tooth sector 8 that is meshed with it and two position limit switches 10, and have a breach 13 or positioning step 14 at the locating engagement place of tooth sector 8 and position limit switch 10, make position limit switch 10 can enter tooth sector 8 smoothly.