CN201434101Y

CN201434101Y - Wicket type electric adjusting valve used for flow control

Info

Publication number: CN201434101Y
Application number: CN2009201599274U
Authority: CN
Inventors: 王建成
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-15
Filing date: 2009-06-15
Publication date: 2010-03-31
Anticipated expiration: 2019-06-15

Abstract

The utility model relates to a wicket type electric adjusting valve used for flow control, which is applicable to flow control sections of a concentrated air conditioning system and other self-controlsystems. The wicket type electric adjusting valve consists of a motor, an upper support plate, a lower support plate, a dual gear, an elastic check ring, an output gear shaft, bearings, a support column, a rotating arm cover, a circuit board, a manual switch, a travel switch, a circuit board support column, a handle, a shell, a valve body, a gate shaft and a valve cover bracket; the lower end ofthe valve cover bracket is connected with the valve body to fix the gate part of the gate shaft in the valve body; the upper end of the valve cover bracket is connected with the lower support plate tofix the shaft-output part of the gate shaft in an inner hole of the output gear shaft; the motor is arranged on the upper support plate; the dual gear is fixed on an output shaft of the motor by theelastic check ring; the bearings are respectively embedded on the upper support plate and the lower support plate; the output gear shaft is meshed with the dual gear; and the upper support plate and the lower support plate are riveted and positioned by the support column. The wicket type electric adjusting valve can reduce power energy consumption, save the material of the valve body and improve reliability.

Description

A kind of Wicket-type electric adjusting valve that is used for flow control

Technical field

The utility model relates to a kind of electric control valve, and especially a kind of wicket formula valve body that adopted possesses the electric control valve of function such as spacing, manual, overload-resistant.

Back of the body amount technology

At present, the valve body of electric control valve adopts stick harness valve or ball valve more.Its actuator will be converted to straight line motion with circular movement when adopting the stick harness valve body, need to make the mechanical transmission part of relative complex, certainly will reduce mechanical efficiency thus, select powerful relatively motor and can make product cost high than the complicated mechanical part processing.Because valve inner frictional force is bigger, is difficult in and prevents to leak and reduce and make satisfactory to both parties selection between the power when adopting ball valve.

Summary of the invention

The purpose of this utility model is: a kind of Wicket-type electric adjusting valve that is used for flow control is provided, by changing the valve body structure form, improves the mechanical efficiency of electric actuator, save the cost that valve body material reduces electric control valve.

Technical solution adopted in the utility model is: a kind of Wicket-type electric adjusting valve that is used for flow control system, comprise motor 1, upper backup pad 2, lower supporting plate 3, duplicate gear 4, circlip 5, output gear axle 6, bearing 7, pillar 8, spiral arm lid 9, circuit board 10, hand switch 11, position limit switch 12, circuit board pillar 13, handle 14, shell 15, motor 1 is installed on the upper backup pad 2; Duplicate gear 4 is fixed on the output shaft of motor 1 by circlip 5; Bearing 7 be embedded in respectively on upper backup pad 2 and the lower supporting plate 3 and with 6 sockets of output gear axle; Output gear axle 6 and duplicate gear 4 engagements; Quantity is that four pillar 8 is located upper backup pad 2 and lower supporting plate 3 riveteds; Spiral arm lid 9 is buckled in output gear axle 6 upper ends; Circuit board 10 is fixed on the upper backup pad 2 by circuit board pillar 13; Hand switch 11, position limit switch 12 are welded on the circuit board 10; Shell 15 is fixed on the upper backup pad 2; Handle 14 is screwed onto on the shell 15; Also comprise valve body 16, flashboard axis 17, valve gap support 18, the lower end of valve gap support 18 is connected flashboard partial fixing with flashboard axis 17 in valve body with valve body 16; The upper end of valve gap support 18 is connected shaft partial fixing with flashboard axis 17 in the endoporus of output gear axle 6 with lower supporting plate 3.

Scale 19 is installed on the flashboard axis 17.

Be covered with control circuit on the circuit board 10, control circuit is made of controllable silicon T1, T2, T3, T4, limit switch K1, K2, hand switch KA, capacitor C, resistance R 1, R2, R3, R4 protective tube BX; The input termination signal input part Y1 of controllable silicon T1; It is in parallel after resistance R 1 is connected with limit switch K1 with control end, the output terminal of controllable silicon T1; The input termination signal input part Y2 of controllable silicon T2; It is in parallel after resistance R 2 is connected with limit switch K2 with control end, the output terminal of controllable silicon T2; The output terminal of the input termination controllable silicon T1 of controllable silicon T3; It is in parallel after resistance R 3 is connected with a road of hand switch K2 with control end, the output terminal of controllable silicon T3; The output terminal of the input termination controllable silicon T2 of controllable silicon T4; It is in parallel after resistance R 4 is connected with another road of hand switch K2 with control end, the output terminal of controllable silicon T4; The output terminal of controllable silicon T3, controllable silicon T4 connects two input ends of motor 1 respectively; The common port of motor 1 is through protective tube BX welding system zero line; One end of capacitor C links to each other with the input end of the output terminal of controllable silicon T1, controllable silicon T3; The other end of capacitor C links to each other with the output terminal of controllable silicon T2, the input end of controllable silicon T4.

The utility model has the advantages that: owing to adopt the composite structure of angle stroke final controlling element and wicket formula valve body, the advantages that does not exist circumference and straight line motion to change in the advantage that valve valve plate and valve base chamber frictional force when regulating operation is little and the driving mechanism of final controlling element, make the mechanical efficiency of electric actuator obviously improve, volume, the weight of final controlling element and valve body reduce on year-on-year basis, therefore save material and energy consumption, reduced cost.

Description of drawings

Fig. 1 is the bright structural representation of the utility model.

Fig. 2 is that the A of Fig. 1 is to view.

Fig. 3 is the scale scheme of installation

Fig. 4 is the plan view of Fig. 3.

Fig. 5 is control circuit figure of the present utility model.

Embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail:

As shown in Figure 1, a kind of Wicket-type electric adjusting valve that is used for flow control comprises motor 1, upper backup pad 2, lower supporting plate 3, duplicate gear 4, circlip 5, output gear axle 6, bearing 7, pillar 8, spiral arm lid 9, circuit board 10, hand switch 11, position limit switch 12, circuit board pillar 13, handle 14, shell 15.Motor 1 is installed on the upper backup pad 2, duplicate gear 4 is fixed on the output shaft of motor 1 by circlip 5, bearing 7 be embedded in respectively on upper backup pad 2 and the lower supporting plate 3 and with 6 sockets of output gear axle, output gear axle 6 and duplicate gear 4 engagements, quantity is that four pillar 8 is located upper backup pad 2 and lower supporting plate 3 riveteds, spiral arm lid 9 is buckled in output gear axle 6 upper ends, circuit board 10 is fixed on the upper backup pad 2 by circuit board pillar 13, hand switch 11, position limit switch 12 is welded on the circuit board 10, shell 15 is fixed on the upper backup pad 2, handle 14 is screwed onto on the shell 15, also comprise valve body 16, flashboard axis 17, valve gap support 18, the lower end of valve gap support 18 is connected flashboard partial fixing with flashboard axis 17 in valve body with valve body 16, the upper end of valve gap support 18 is connected shaft partial fixing with flashboard axis 17 in the endoporus of output gear axle 6 with lower supporting plate 3, when motor 1 rotates, duplicate gear 4 rotates synchronously with motor 1, output gear axle 6 and duplicate gear 4 engagement driving, spiral arm lid 9, flashboard axis 17 rotates synchronously with output gear axle 6.

As shown in Figure 3, Figure 4, scale 19 is installed on the flashboard axis 17, flashboard axis 17 rotates synchronously with scale 19, and scale 19 can show valve seat opening in real time during the electric control valve operation.

As shown in Figure 5, be covered with control circuit on the circuit board 10, control circuit is made of controllable silicon T1, T2, T3, T4, limit switch K1, K2, hand switch KA, capacitor C, resistance R 1, R2, R3, R4 protective tube BX, the input termination signal input part Y1 of controllable silicon T1; It is in parallel after resistance R 1 is connected with limit switch K1 with control end, the output terminal of controllable silicon T1; The input termination signal input part Y2 of controllable silicon T2; It is in parallel after resistance R 2 is connected with limit switch K2 with control end, the output terminal of controllable silicon T2; The output terminal of the input termination controllable silicon T1 of controllable silicon T3; It is in parallel after resistance R 3 is connected with a road of hand switch K2 with control end, the output terminal of controllable silicon T3; The output terminal of the input termination controllable silicon T2 of controllable silicon T4; It is in parallel after resistance R 4 is connected with another road of hand switch K2 with control end, the output terminal of controllable silicon T4; The output terminal of controllable silicon T3, controllable silicon T4 connects two input ends of motor 1 respectively; The common port of motor 1 is through protective tube BX welding system zero line; One end of capacitor C links to each other with the input end of the output terminal of controllable silicon T1, controllable silicon T3; The other end of capacitor C links to each other with the output terminal of controllable silicon T2, the input end of controllable silicon T4.When control circuit was received out the control signal of valve by Y1, motor 1 was just changeing, and when just forwarding out the valve limit position to, limit switch K1 is pressed by spiral arm lid 9, the K1 open circuit, and controllable silicon T1 opens a way thereupon, motor 1 stall, valve position is parked in the greatest limit position; When control circuit was received the control signal of closing valve by Y2, motor 1 counter-rotating was inverted to when closing the valve limit position, limit switch K2 is pressed by spiral arm lid 9, the K2 open circuit, and controllable silicon T2 opens a way thereupon, motor 1 stall, valve position is parked in the least limit position, motor 1 stall when not receiving out valve or closing valve signal.As shown in Figure 1, handle 14 is if screw off from shell 15, then hand switch KA is in off state, controllable silicon T3, T4 open a way thereupon, this moment, this moment, handle 14 used as manual wrench, can directly stir duplicate gear 4 if receiving the control signal motor 1 of driving valve or closing valve can not turn round, valve opening is changed with manual direction, thereby realized manual operation function safely.

Working principle of the present utility model is: the flashboard position of the seat portion of valve body 16 and flashboard axis 17 is with the shape body as shown in Figure 2, when flashboard axis 17 rotates with output gear axle 6, the flow area of medium in valve body changes, so flowing through the flow of valve body medium also changes thereupon, flow area when receiving valve opening signal in the valve body strengthens gradually, and rate-of flow is strengthened; Flow area when receiving the pass valve signal in the valve body reduces gradually, and rate-of flow is reduced.When flashboard axis 17 went to out valve or closes the limit position of valve, the rate-of flow in the valve body was maximum or is zero.When going to limit position, flashboard axis 17 lost efficacy as if limit switch K1, K2; pillar 8 can prop up flashboard axis 17; make it not exceed stroke range, this moment, motor 1 entered low load operation conditions according to the magneto working principle, so realized mechanical position limitation and overload protection function.

In sum, Wicket-type electric adjusting valve is simple in structure, control is reliable, mechanical efficiency is high, product cost is low, has manual, spacing and overload protection function simultaneously concurrently.

Claims

1, a kind of Wicket-type electric adjusting valve that is used for flow control, be made of motor (1), upper backup pad (2), lower supporting plate (3), duplicate gear (4), circlip (5), output gear axle (6), bearing (7), pillar (8), spiral arm lid (9), circuit board (10), hand switch (11), position limit switch (12), circuit board pillar (13), handle (14), shell (15), motor (1) is installed on the upper backup pad (2); Duplicate gear (4) is fixed on the output shaft of motor (1) by circlip (5); Quantity be that two bearing (7) is embedded in upper backup pad (2) respectively and lower supporting plate (3) is gone up and with output gear axle (6) socket; Output gear axle (6) and duplicate gear (4) engagement; Quantity is that four pillar (8) is located upper backup pad (2) and lower supporting plate (3) riveted; Spiral arm lid (9) is buckled in output gear axle (6) upper end; Circuit board (10) is fixed on the upper backup pad (2) by circuit board pillar (13); Hand switch (11), position limit switch (12) are welded on the circuit board (10); Shell (15) is fixed on the upper backup pad (2); Handle (14) is screwed onto on the shell (15), it is characterized in that: also comprise valve body (16), flashboard axis (17), valve gap support (18); The lower end of valve gap support (18) is connected flashboard partial fixing with flashboard axis (17) in valve body with valve body (16); The upper end of valve gap support (18) is connected shaft partial fixing with flashboard axis (17) in the endoporus of output gear axle (6) with lower supporting plate (3).

2, according to the described Wicket-type electric adjusting valve that is used for flow control of claim 1, it is characterized in that: scale (19) is installed on the described flashboard axis (17).

3, according to the described Wicket-type electric adjusting valve that is used for flow control of claim 1, it is characterized in that: described circuit board is covered with control circuit on (10), and control circuit is made of controllable silicon (T1, T2, T3, T4), limit switch (K1, K2), hand switch (KA), electric capacity (C), resistance (R1, R2, R3, R4) protective tube (BX); The input termination signal input part Y1 of controllable silicon T1; It is in parallel after resistance R 1 is connected with limit switch K1 with control end, the output terminal of controllable silicon T1; The input termination signal input part Y2 of controllable silicon T2; It is in parallel after resistance R 2 is connected with limit switch K2 with control end, the output terminal of controllable silicon T2; The output terminal of the input termination controllable silicon T1 of controllable silicon T3; It is in parallel after resistance R 3 is connected with a road of hand switch K2 with control end, the output terminal of controllable silicon T3; The output terminal of the input termination controllable silicon T2 of controllable silicon T4; It is in parallel after resistance R 4 is connected with another road of hand switch K2 with control end, the output terminal of controllable silicon T4; The output terminal of controllable silicon T3, controllable silicon T4 connects two input ends of motor (1) respectively; The common port of motor (1) is through protective tube (BX) welding system zero line; One end of electric capacity (C) links to each other with the input end of the output terminal of controllable silicon T1, controllable silicon T3; The other end of electric capacity (C) links to each other with the input end of the output terminal of controllable silicon T2, controllable silicon T4.