CN208831868U - A kind of roof-mounted manual actuator - Google Patents

Abstract

The utility model relates to mechanical device technical fields, especially a kind of roof-mounted manual actuator, including cabinet, the upper end of cabinet is fixedly connected with case lid, draw bar is fixed on cabinet, draw bar sequentially passes through cabinet and case lid, the top of draw bar is fixedly connected with indicating arm, indicating arm is externally provided with protective cap, bevel gear wheel is fixed in cabinet, the upper end of bevel gear wheel is equipped with square hole, clasp nut is equipped in square hole, the upper end of clasp nut is fixedly connected with conversion block, conversion block extends to the outside of case lid far from one end of clasp nut, the part that conversion block is located at the outside of case lid is fixedly connected with switching handle, the side engagement of bevel gear wheel is connected with bevel pinion, bevel pinion is fixedly connected with sprocket drive spindle far from the side of bevel gear wheel, gear shaft extends to the outside of cabinet far from one end of bevel pinion, gear shaft is remote One end from bevel pinion is fixedly connected with operation handwheel.The utility model structure is simple, is worthy to be popularized.

Description

A kind of roof-mounted manual actuator

Technical field

The utility model relates to mechanical device technical field more particularly to a kind of roof-mounted manual actuators.

Background technique

According to the difference using power source, usually there are electric operator, pneumatic actuator, hydraulic actuating mechanism etc.. Executing agency is the important link of automatic control system.It receives from control instrument or manually given control signal, to it Power amplification is carried out, is then converted into the corresponding angular displacement or straight-line displacement of output shaft, to push various regulating mechanisms, such as Regulating valve, damper etc., change by tune rate-of flow, to complete the automatic control of various processes parameter or manually control System.The movement rule of executing agency is generally linear, also has using equal percentage type.Executing agency using liquid, gas, Electric power or other energy simultaneously convert it into driving effect by motor, cylinder or other devices.Basic executing agency is used for Valve is driven the position to standard-sized sheet or full pass.Valve can be accurately set to go to any position with the executing agency with control valve It sets.

Existing roof-mounted manual actuator water proof and dust proof is poor, and lubricating grease is easy to be lost, and only a kind of control Mode processed.

Utility model content

Poor purpose of the utility model is to solve water proof and dust proof exists in the prior art, lubricating grease is easy stream It loses, and the disadvantage that control mode is only a kind of, and a kind of roof-mounted manual actuator proposed.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of roof-mounted manual actuator, including cabinet are designed, the upper end of the cabinet is fixedly connected with case lid, described Draw bar is equipped in cabinet, the draw bar sequentially passes through the cabinet and the case lid, and the lower end of the draw bar is fixed to be connected It connects on valve rod, the top of the draw bar is fixedly connected with indicating arm, and the indicating arm is externally provided with protective cap, in the cabinet It is fixed with bevel gear wheel, the draw bar runs through the bevel gear wheel, and the upper end of the bevel gear wheel is equipped with square hole, the side Clasp nut is equipped in hole, the draw bar runs through the clasp nut, and the upper end of the clasp nut passes through cylinder pin connection There is a conversion block, the draw bar runs through the conversion block, and the upper end of the conversion block extends to the outside of the case lid, and described turn The part for changing the outside that block is located at the case lid is fixedly connected with switching handle, and the bevel gear wheel engagement is connected with small bevel gear Wheel, the other side of the bevel pinion are fixedly connected with sprocket drive spindle, and the gear shaft is limited on the cabinet, the gear shaft One end far from the bevel pinion extends to the outside of the cabinet, and the one end of the gear shaft far from the bevel pinion is solid Surely it is connected with operation handwheel.

Preferably, Anti-slip cover is socketed on the switching handle.

Preferably, the connection type between the case lid and the cabinet is to be bolted.

Preferably, the operation handwheel is equipped with anti-skid chequer.

The utility model proposes a kind of roof-mounted manual actuator, beneficial effect is: the utility model is by turning Changing block structure makes valve rod have the manual operation for realizing pneumatic Direct Travel opening/shutting valve there are two types of regulative mode and pneumatic, hand Cabinet is sealed, constitutes full-closed structure, improve water proof and dust proof performance, protects by dynamic operation mutually switching, protection cap structure It stays lubricating grease to be unlikely to be lost, improves the service life of driving member, keep operation lighter, it is safer.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of roof-mounted manual actuator schematic cross-sectional view；

Fig. 2 is the schematic cross-sectional view of case lid in the utility model；

Fig. 3 is the schematic cross-sectional view of conversion block in the utility model；

Fig. 4 is the schematic cross-sectional view of the utility model middle gear axis；

Fig. 5 is the schematic cross-sectional view of clasp nut in the utility model；

Fig. 6 is the schematic cross-sectional view of bevel gear wheel in the utility model；

Fig. 7 is the schematic cross-sectional view of cabinet in the utility model.

In figure: case lid 1, protective cap 2, conversion block 3, switching handle 4, operation handwheel 5, gear shaft 6, bevel pinion 7, folding Nut 8, bevel gear wheel 9, cabinet 10, draw bar 11.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to Fig.1-7, a kind of roof-mounted manual actuator, including cabinet 10, the upper end of cabinet 10 are fixedly connected with case Lid 1, cabinet 10 is interior to be equipped with draw bar 11, and draw bar 11 sequentially passes through cabinet 10 and case lid 1, and the lower end of draw bar 11 is fixedly connected On valve rod, the top of draw bar 11 is fixedly connected with indicating arm, and indicating arm is externally provided with protective cap 2, and the effect of protective cap 2 has been To the effect of sealing, dust is avoided to enter in cabinet 10, bevel gear wheel 9 is fixed in cabinet 10, the effect of bevel gear wheel 9 is Clasp nut 8 is adjusted, so that clasp nut 8 is combined with draw bar 11, drives draw bar 11 to move up and down, draw bar 11 runs through Bevel gear wheel 9, the upper end of bevel gear wheel 9 are equipped with square hole, and clasp nut 8 is equipped in square hole, and the effect of clasp nut 8 is to drive to lead It is mobile to draw bar 11, draw bar 11 runs through clasp nut 8, and the upper end of clasp nut 8 is connected with conversion block 3 by straight pin, converts The effect of block 3 is to adjust the closure and unlatching of clasp nut 8, and draw bar 11 runs through conversion block 3, and the upper end of conversion block 3 extends to The outside of case lid 1.

The part that conversion block 3 is located at the outside of case lid 1 is fixedly connected with switching handle 4, and the effect of hand-off handle 4 is to pass through rotation Turn conversion block 3 to switch over the pneumatic operation of valve with manual operation, the engagement of bevel gear wheel 9 is connected with bevel pinion 7, conelet The other side of gear 7 is fixedly connected with sprocket drive spindle 6, and gear shaft 6 is limited on cabinet 10, gear shaft 6 far from bevel pinion 7 one End extends to the outside of cabinet 10, and gear shaft 6 is fixedly connected with operation handwheel 5 far from one end of bevel pinion 7, operates handwheel 5 Effect be turning gear wheel shaft 6, by rotate bevel gear wheel 9 so that clasp nut 8 be closed, to drive about 11 draw bar Mobile, operation handwheel 5 is equipped with anti-skid chequer.

Working principle: switching handle 4 is there are two switching point, when switching handle 4 and rotating counterclockwise to, clasp nut 8 separate with draw bar 11, and valve is in pneumatic operation state, can do long-range control linear motion type pneumatic actuator opening/shutting valve, when When switching handle 4 is rotated clockwise in place, clasp nut 8 is combined with draw bar 11, and valve is in manual operation state Bevel pinion 7 is set to be driven bevel gear wheel 9, opening in 9 upper end square hole of bevel gear wheel by operating 5 turning gear wheel shaft 6 of handwheel It closes nut 8 to rotate with, draw bar 11 does axial movement, lower end up and down and is connected to valve rod, and valve realizes opening and closing.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (4)

1. a kind of roof-mounted manual actuator, including cabinet (10), which is characterized in that the upper end of the cabinet (10) is fixed to be connected Be connected to case lid (1), be equipped with draw bar (11) in the cabinet (10), the draw bar (11) sequentially pass through the cabinet (10) and The lower end of the case lid (1), the draw bar (11) is fixedly connected on valve rod, and the top of the draw bar (11) is fixedly connected There is indicating arm, the indicating arm is externally provided with protective cap (2), is fixed with bevel gear wheel (9), the traction in the cabinet (10) Bar (11) runs through the bevel gear wheel (9), and the upper end of the bevel gear wheel (9) is equipped with square hole, and folding spiral shell is equipped in the square hole Female (8), the draw bar (11) run through the clasp nut (8), and the upper end of the clasp nut (8) is connected with by straight pin Conversion block (3), the draw bar (11) run through the conversion block (3), and the upper end of the conversion block (3) extends to the case lid (1) outside, the part that the conversion block (3) is located at the outside of the case lid (1) is fixedly connected with switching handle (4), described Bevel gear wheel (9) engagement is connected with bevel pinion (7), and the other side of the bevel pinion (7) is fixedly connected with sprocket drive spindle (6), The gear shaft (6) is limited on the cabinet (10), and the gear shaft (6) extends far from the one end of the bevel pinion (7) To the outside of the cabinet (10), the gear shaft (6) is fixedly connected with operation handwheel far from the one end of the bevel pinion (7) (5).

2. a kind of roof-mounted manual actuator according to claim 1, which is characterized in that on the switching handle (4) It is socketed with Anti-slip cover.

3. a kind of roof-mounted manual actuator according to claim 1, which is characterized in that the case lid (1) with it is described Connection type between cabinet (10) is to be bolted.

4. a kind of roof-mounted manual actuator according to claim 1, which is characterized in that on the operation handwheel (5) Equipped with anti-skid chequer.