CN215110854U

CN215110854U - Oscillating action executor

Info

Publication number: CN215110854U
Application number: CN202121600269.5U
Authority: CN
Inventors: 戴建洪; 胡胜利; 俞朝阳
Original assignee: Zhejiang Hanmusen Automatic Control Valve Co ltd
Current assignee: Zhejiang Hanmusen Automatic Control Valve Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-12-10
Anticipated expiration: 2031-07-14

Abstract

The utility model discloses an oscillating action executor, including power component, power component includes cylinder body, piston and piston rod, its characterized in that: the cylinder body is fixedly provided with an oscillating piece, the oscillating piece is hinged to a valve shaft, the valve shaft is fixedly provided with a crank arm, the crank arm is hinged to the end of the piston rod, the valve shaft is arranged without interference with the stroke of the piston rod, the piston rod stretches and retracts to drive the crank arm to oscillate, and the valve shaft is driven to rotate relative to the oscillating piece. The utility model discloses simple structure through setting up the swing of drive element drive connecting lever such as pneumatic cylinder, realizes the rotation of fixed valve shaft on the drive connecting lever, through linking the valve rod and the valve shaft of valve mutually, realizes the switch work through drive element control flap, and the setting of its spacer pin and two nuts all can be used for adjusting the amplitude of oscillation angle of connecting lever, forms the turned angle control to the valve rod, the utility model discloses simple structure simple operation, simple to operate.

Description

Oscillating action executor

Technical Field

The utility model relates to an executor technical field involves an oscillating action executor.

Background

The swing type actuator is driven by a driving element, the force of axial reciprocating motion of the driving element is converted into the actuator with angle reciprocating rotation by the actuator, the swing type actuator is generally applied to the field of valves, and a crank arm is driven to swing through the reciprocating force of pistons of an axial cylinder and a hydraulic cylinder so as to rotate a valve rod of the valve, so that the sealing and sealing releasing work of the valve clack on the valve is realized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure's oscillating action executor.

To the above, the utility model provides a technical scheme that its technical problem and take is: a swing type action actuator comprises a power element, wherein the power element comprises a cylinder body, a piston and a piston rod, and is characterized in that: the cylinder body is fixedly provided with an oscillating piece, the oscillating piece is hinged to a valve shaft, the valve shaft is fixedly provided with a crank arm, the crank arm is hinged to the end of the piston rod, the valve shaft is arranged without interference with the stroke of the piston rod, the piston rod stretches and retracts to drive the crank arm to oscillate, and the valve shaft is driven to rotate relative to the oscillating piece.

As a further arrangement of the above scheme, the swinging piece is further provided with a limit pin, and the end part of the limit pin is over against the crank arm to limit the swinging range of the crank arm.

As a further arrangement of the scheme, the crank arm is provided with two connecting rods which are clamped, the end part of the piston rod is provided with a hinged shaft, and the connecting rods penetrate through the hinged shaft.

As a further arrangement of the above scheme, the piston rod is fixed to the side surface of the hinge shaft in a threaded manner, and the piston rod is provided with double nuts for adjusting the locking connection length of the piston rod and the hinge shaft.

As a further arrangement of the scheme, a bearing is arranged at the joint of the valve shaft and the swinging piece and used for improving the smooth degree of rotation.

As a further arrangement of the above scheme, the power element adopts a pneumatic cylinder or a hydraulic cylinder, and the pressure medium of the pneumatic cylinder or the hydraulic cylinder is driven by an external device to be pressed into or pulled out of the cylinder body.

Has the advantages that: the utility model discloses simple structure through setting up the swing of drive element drive connecting lever such as pneumatic cylinder, realizes the rotation of fixed valve shaft on the drive connecting lever, through linking the valve rod and the valve shaft of valve mutually, realizes the switch work through drive element control flap, and the setting of its spacer pin and two nuts all can be used for adjusting the amplitude of oscillation angle of connecting lever, forms the turned angle control to the valve rod, the utility model discloses simple structure simple operation, simple to operate.

Drawings

Fig. 1 is a schematic structural diagram of the actuator of the present invention.

Fig. 2 is a schematic cross-sectional view of the actuator of the present invention.

Reference numerals: 1. a cylinder body; 2. a piston; 3. a piston rod; 31. double nuts; 4. a swinging member; 5. a crank arm; 6. a valve shaft; 7. a spacing pin; 8. a connecting rod; 81. and (4) hinging the shaft.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflicting with each other.

A swing type motion actuator as shown in fig. 1-2, comprising a power element including a cylinder 1, a piston 2 and a piston rod 3, characterized in that: the cylinder body 1 is fixedly provided with an oscillating piece 4, the oscillating piece 4 is hinged to a valve shaft 6, the valve shaft 6 is fixedly provided with a crank arm 5, the crank arm 5 is hinged to the end of the piston rod 3, the valve shaft 6 is arranged without interference with the stroke of the piston rod 3, the piston rod 3 stretches and retracts to drive the crank arm 5 to oscillate, and the valve shaft 6 is driven to rotate relative to the oscillating piece 4.

Through the setting of above-mentioned scheme, swing 4 is the cavity setting, its inner chamber is used for the activity of turning arm 5 and valve shaft 6, the lateral wall has a plurality of support walls, spacer pin 7 threaded connection is on supporting the wall, the tip just stretches out and draws back through the relative turning arm 5 of screw thread rotation to turning arm 5, the realization is to turning arm 5 swing formation spacingly, the axle center of valve shaft 6 is perpendicular for the axle center of power component, and the non-intersect, namely 3 axle centers of piston rod and the axle center non-intersect of valve shaft 6, turning arm 5 is articulated with 3 tip of piston rod, when piston 2 moves about, drive 3 axial of piston rod is flexible, turning arm 5 receives pushing away or drawing of piston rod 3, form the swing through the pin joint, accomplish the rotation drive to valve shaft 6.

As a further arrangement of the above scheme, the swinging member 4 is further provided with a limit pin 7, and an end of the limit pin 7 is opposite to the crank arm 5 for limiting a swinging range of the crank arm 5.

As a further arrangement of the above scheme, the crank arm 5 is provided with two connecting rods 8, the end of the piston rod 3 is provided with a hinge shaft 81, and the connecting rod 8 penetrates through the hinge shaft 81.

As a further arrangement of the above scheme, the piston rod 3 is fixed on the side surface of the hinge shaft 81 in a threaded manner, and the piston rod 3 is provided with a double nut 31, and the double nut 31 is used for adjusting the locking connection length of the piston rod 3 and the hinge shaft 81.

Through the setting of above-mentioned scheme, the setting of two nuts 31 is convenient for promote the threaded connection compactness of 3 tip of piston rod and articulated shaft 81, has avoided the unstable damage that leads to long-term the use of being connected of piston rod 3 and articulated shaft 81 to bring.

As a further arrangement of the above solution, a bearing is provided at the joint of the valve shaft 6 and the swinging member 4 for improving the smoothness of rotation.

As a further arrangement of the above solution, the power element is a pneumatic cylinder or a hydraulic cylinder, and the pressure medium of the pneumatic cylinder or the hydraulic cylinder is driven by an external device to be pressed into or pulled out of the cylinder body 1.

Hydraulic pressure and atmospheric pressure are driven by external device, have avoided prior art's hydraulic pressure atmospheric pressure and drive element integrative setting to produce the problem that the weeping leaks gas and leads to insufficient power.

The utility model discloses simple structure through setting up the swing of drive element drive connecting lever such as pneumatic cylinder, realizes the rotation of fixed valve shaft on the drive connecting lever, through linking the valve rod and the valve shaft of valve mutually, realizes the switch work through drive element control flap, and the setting of its spacer pin and two nuts all can be used for adjusting the amplitude of oscillation angle of connecting lever, forms the turned angle control to the valve rod, the utility model discloses simple structure simple operation, simple to operate.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A swing type action actuator comprises a power element, wherein the power element comprises a cylinder body (1), a piston (2) and a piston rod (3), and is characterized in that: the cylinder body (1) is fixed with swing piece (4) of being provided with, the articulated valve shaft (6) that is provided with in swing piece (4), the fixed crank arm (5) that is provided with on valve shaft (6), crank arm (5) are articulated with piston rod (3) tip, and valve shaft (6) and the stroke of piston rod (3) do not have the interference setting, piston rod (3) are flexible can drive crank arm (5) and swing, drive valve shaft (6) swing piece (4) relatively and rotate.

2. The oscillating actuator of claim 1 wherein: the swing piece (4) is further provided with a limiting pin (7), and the end part of the limiting pin (7) is opposite to the crank arm (5) and used for limiting the swing range of the crank arm (5).

3. The oscillating actuator of claim 1 wherein: the crank arm (5) is provided with two connecting rods (8) clamped, the end of the piston rod (3) is provided with a hinged shaft (81), and the connecting rods (8) penetrate through the hinged shaft (81).

4. The oscillating actuator of claim 3 wherein: piston rod (3) threaded fixation is in articulated shaft (81) side, just piston rod (3) are provided with double nut (31), double nut (31) are used for adjusting the locking connection length of piston rod (3) and articulated shaft (81).

5. The oscillating actuator of claim 1 wherein: and a bearing is arranged at the joint of the valve shaft (6) and the swinging piece (4) and is used for improving the rotation smoothness.

6. The oscillating actuator of claim 1 wherein: the power element adopts a pneumatic cylinder or a hydraulic cylinder, and pressure media of the pneumatic cylinder or the hydraulic cylinder are driven by an external device to be pressed into or pulled out of the cylinder body (1).