CN2446353Y

CN2446353Y - Driving device of butterfly valve

Info

Publication number: CN2446353Y
Application number: CN 00230953
Authority: CN
Inventors: 向阳
Original assignee: Hubei Provincial No427 Scientif & Research Inst
Current assignee: Hubei Provincial No427 Scientif & Research Inst
Priority date: 2000-09-28
Filing date: 2000-09-28
Publication date: 2001-09-05
Anticipated expiration: 2010-09-28

Abstract

The utility model discloses a small electric butterfly valve driver which mainly adopts the way that an electromotor is controlled by a double-ganged switch. An angle limiting swing link of a coupler of the electromotor controls the mutual control mode of the double-ganged switch. The utility model has the advantages of simple structure, flexible action, high starting speed, simple production process, low cost, etc., and is especially suitable for the drive of a small butterfly valve of a gas supply pipeline.

Description

A kind of butterfly valve driver

The utility model relates to the pipeline valve control gear, specifically refers to the butterfly valve driver of ventilation duct.

In the industrial production, wind includes the technology place of ventilation pipeline, generally all uses butterfly valve control wind supply quantity.As the electric butterfly valve driver of prior art, mainly contain the defective of the following aspects: the one, volume is bigger, and is inapplicable to some special places; The 2nd, opening speed is slow, and as the serial butterfly valve driver that Hubei China super automated arm Co., Ltd produces, opening 90 ° is 15 seconds the soonest; The 3rd, adopt the speed change gear kind of drive, its complex structure, cost height.

The purpose of this utility model provides a kind of simple in structure, and is cheap for manufacturing cost, and opening speed is fast, opens 90 ° and only needs 3 seconds, microminiature electric butterfly valve driver.

The purpose of this utility model is achieved in that adopting miniature low speed non-directional permagnetic synchronous motor is power, one limit angle swing bar is installed on motor connecting shaft spare, it is in a certain angle that the outage of two position limit switches is pressed shell fragment, after its limit angle swing bar turns an angle when motor rotates, stir the shell fragment that presses of outage position limit switch, motor stops operating, when the motor backward rotation, after its limit angle swing bar turns an angle, the outage of stirring another position limit switch presses shell fragment, motor stops operating again, thus drive butterfly valve unlatching, close.

Below in conjunction with accompanying drawing, describe structure of the present utility model and usage mode in detail.

Accompanying drawing 1 is the utility model plan view A-A sectional view

Accompanying drawing 2 is the utility model left view A-A sectional view

Shown in the accompanying drawing: the utility model is by base 1, motor 2, and travel control switch 3 three parts constitute; Motor pin 4 is arranged on the base 1, and lid shell block 12,13, power socket 5 and two are 90 ° of angle position limiting piles 6 mutually, and the shaft joint 9 of band limit angle swing bar 7 and position limit switch driving lever 8 is housed in motor 2 rotating shafts, and limit angle swing bar 7 and driving lever 8 are 180 degree positional alignment; The outage of two position limit switches 3 presses shell fragment 10 and is one mutually less than 90 ° of angles, and lid shell 11 forms a closure by covering shell block 12 and 13 with base 1 sealing.

During the utility model work, by two position limit switch 3 duplexs control motors 2, motor 2 rotates opened butterfly valve, limit angle swing bar 7 on its connecting shaft 9 devices is run into the position limiting pile 6 of one side, simultaneously the position limit switch driving lever 8 of its corresponding position presses with the outage of the position limit switch 3 of spacing fork 6 corresponding sides and presses shell fragment 10, and motor promptly stops operating.When another position limit switch 3 is connected, motor 2 backward rotation, the action when its shaft joint 9 oppositely repeats to open, because the axial angle of position limiting pile 6 is 90 °, having controlled the shaft joint rotation angle is 90 °

The utlity model has simple in structurely, opening speed is fast, and volume is small and exquisite, flexible movements, and advantage such as production technology is simple, and is with low cost is suitable for the driving of minitype air-supply pipeline butterfly valve most.

Claims

1. small-sized electric butterfly valve driver, constitute by motor, control switch, shaft joint, it is characterized in that: driver is based on base (1), with travel control switch (3), band limit angle swing bar (7) is fixed on the base (1) with the motor (2) of the shaft joint of control position limit switch driving lever (8), constitutes a closed integral body together with lid shell (11); Base (1) inner bottom surface is provided with two position limiting piles (6); Two capable control switchs (3) form a pair of joint control system circuit; The shaft joint of motor (2) is provided with limit angle swing bar (7) and position limit switch driving lever (8) in the base inboard.

2. electric butterfly valve driver as claimed in claim 1 is characterized in that: inboard two position limiting piles (6) of base (1) are 90 ° of angles vertically mutually; Spacing fork (7) and position limit switch driving lever (8) on motor (2) shaft joint are 180 ° vertically mutually; The outage of two position limit switches (3) presses shell fragment 10 and is one mutually less than 90 ° angle, and opposition is positioned at two sides of control position limit switch driving lever (8).

3. electric butterfly valve driver as claimed in claim 1 is characterized in that: motor (2) is a miniature permanent magnetism non-directional slowspeed machine.