CN212004009U - Multi-return-angle electric actuator - Google Patents

Abstract

The utility model discloses a many return angles electric actuator, including the executor host computer body and square conical head valve rod, the higher authority position of the executor host computer body is provided with the aperture display, the positive position of the executor host computer body is provided with shakes the executor, the position is provided with the shaft coupling below the executor host computer body, be provided with the fixed mounting frame in the outside that is located the shaft coupling below the executor host computer body, pass through welded fastening below the higher authority of fixed mounting frame and the executor host computer body and connect, the inside of shaft coupling is provided with square conical head hole. A many return angles electric actuator, through the fixed mounting frame structure that sets up, the installation of convenient and valve, and the length of extension shaft coupling, the contact surface increase of guaranteeing shaft coupling and square conical head valve rod reduces the possibility of friction damage, and the arc pole isotructure through setting up for the installation is more firm, reduces the possibility that takes place not hard up.

Description

Multi-return-angle electric actuator

Technical Field

The utility model relates to an electric actuator field, in particular to many return angles electric actuator.

Background

Along with the continuous development of the society, the scale of industrial automation is larger and larger, the application scale of an electric actuator is enlarged continuously because of the good performance and the relatively proper price of the electric actuator, the electric actuator is a machine which takes electric energy as a main energy source and is used for driving a valve, in the use process of the current electric actuator, because the coupling at the bottom is too short and small in the design process of the electric actuator with a relatively large scale, the connection part of the electric actuator and a valve rod below the coupling is relatively short, the contact surface of the coupling at the connection part and the valve rod is relatively small, after the electric actuator is used for a long time, the abrasion is relatively serious, the valve rod is easy to loosen in the coupling, the opening angle is inaccurate, and most of the traditional couplings are installed by square holes inside and square structures of the valve rod, the loosening condition is easy to occur, and because the coupling is too short and small, the installation is also inconvenient.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a multi-angle electric actuator, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a many return angles electric actuator, includes executor host computer body and square conical head valve rod, the higher authority position of executor host computer body is provided with the aperture display, the front position of executor host computer body is provided with shakes the executor, the position is provided with the shaft coupling below the executor host computer body, be provided with the fixed mounting frame in the outside that is located the shaft coupling below the executor host computer body, pass through welded fastening below the higher authority of fixed mounting frame and the executor host computer body and connect, the inside of shaft coupling is provided with square conical head hole.

Preferably, the corner positions all around below the fixed mounting frame are respectively provided with a screw hole, and the bottom surface of the coupler is flush with the bottom surface of the fixed mounting frame.

Preferably, the same height position in top of four sides in square conical head hole all is provided with the arc wall, the inside of arc wall all is provided with the arc pole.

Preferably, the side of arc wall all is provided with the side and accomodates the groove, the side is accomodate the top in the groove and all with the higher authority fixed connection of bottom plate, the another side of bottom plate and the one end fixed phase of spring link to each other, the other end of spring and one end of steel wire are fixed to link to each other, the another end of steel wire and the middle part fixed position of arc pole link to each other, the arc wall is stretched out to the arc pole upper end under the natural state of spring, and the lower extreme shrink of arc pole is in the arc wall.

Preferably, the square conical head valve rod is the same as the square conical head hole in shape, arc-shaped accommodating grooves are formed in all the side faces of the square conical head valve rod at the positions corresponding to the lower ends of the arc-shaped grooves, and the lower ends of the arc-shaped rods are movably arranged in the arc-shaped accommodating grooves.

Preferably, the coupler is located in the middle of the fixed mounting frame, and the outer circular surface of the coupler is not in contact with the inner portion of the fixed mounting frame.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through the fixed mounting frame that sets up, make things convenient for the installation of executor host computer body and valve, and the shaft coupling through the bottom surface and the fixed mounting frame parallel and level that set up, the length of extension shaft coupling, make the contact surface of shaft coupling and square conical head valve rod enlarge, reduce the pressure that the contact surface received in the unit area, thereby reduce the friction loss, and be provided with arc pole isotructure on the upper portion of shaft coupling, through the structure that sets up, after square conical head valve rod gets into, make arc pole lower extreme card go into the arc of square conical head valve rod and accomodate the groove, make the installation of shaft coupling and square conical head valve rod more firm, reduce the square conical head valve rod and take place not hard up the possibility in the shaft coupling, and improve stability.

Drawings

Fig. 1 is a schematic view of the overall structure of a multi-return-angle electric actuator of the present invention;

fig. 2 is a top plan view of the coupling at the bottom of the multi-return-angle electric actuator of the present invention;

fig. 3 is a cross-sectional view of the coupling of the multi-angle electric actuator of the present invention.

In the figure: 1. an actuator main body; 2. an opening display; 3. shaking the actuator; 4. fixing the mounting frame; 5. a coupling; 6. a screw hole; 7. a square conical head hole; 8. an arcuate bar; 9. an arc-shaped slot; 10. a side receiving groove; 11. a spring; 12. a base plate; 13. a steel wire; 14. a square conical head valve rod; 15. an arc-shaped receiving groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, the multi-angle-return electric actuator includes an actuator main body 1 and a square conical head valve rod 14, an opening display 2 is disposed at an upper position of the actuator main body 1, a shaking actuator 3 is disposed at a front position of the actuator main body 1, a coupler 5 is disposed at a lower position of the actuator main body 1, a fixed mounting frame 4 is disposed at an outer side of the coupler 5 below the actuator main body 1, an upper surface of the fixed mounting frame 4 is fixedly connected with a lower surface of the actuator main body 1 by welding, and a square conical head hole 7 is disposed inside the coupler 5.

Screw holes 6 are respectively arranged at the corners around the lower surface of the fixed mounting frame 4, and the bottom surface of the coupler 5 is flush with the bottom surface of the fixed mounting frame 4; arc-shaped grooves 9 are formed in the positions, with the same height, above the four side faces of the square conical head hole 7, and arc-shaped rods 8 are arranged inside the arc-shaped grooves 9; the side surfaces of the arc-shaped grooves 9 are provided with side surface accommodating grooves 10, the top parts in the side surface accommodating grooves 10 are fixedly connected with the upper surface of a bottom plate 12, the other surface of the bottom plate 12 is fixedly connected with one end of a spring 11, the other end of the spring 11 is fixedly connected with one end of a steel wire 13, the other end of the steel wire 13 is fixedly connected with the middle position of the arc-shaped rod 8, the upper end of the arc-shaped rod 8 extends out of the arc-shaped grooves 9 in a natural state of the spring 11, and the lower end of the arc-shaped rod 8 is contracted in the arc-shaped; the square conical head valve rod 14 is the same as the square conical head hole 7 in shape, all the side surfaces of the square conical head valve rod 14 are provided with arc-shaped accommodating grooves 15 at positions corresponding to the lower ends of the arc-shaped grooves 9, and the lower ends of the arc-shaped rods 8 are movably arranged in the arc-shaped accommodating grooves 15; the coupler 5 is located in the middle of the fixed mounting frame 4, and the outer circular surface of the coupler 5 is not in contact with the inner part of the fixed mounting frame 4.

It should be noted that, the utility model relates to a multi-return-angle electric actuator, through the fixed mounting frame 4 that sets up, its upper portion and the fixed welding of the executor host computer body 1, only need through four screws 6 below it with the fixed mounting of screw can, and through the bottom surface of the shaft coupling 5 that sets up and the bottom surface of fixed mounting frame 4 parallel and level, thereby the length of extension shaft coupling 5 makes the contact surface of shaft coupling 5 and square conical head valve rod 14 grow, reduce the pressure that receives in the unit area, reduce the friction loss, the fixed mounting of retaining structure, installation square conical head valve rod 14 only need aim at the square conical head hole 7 inside the shaft coupling 5, after the executor host computer body 1 descends constantly, square conical head valve rod 14 begins to contact the upper end that arc pole 8 stretches out arc 9, the upper end of arc pole 8 begins to receive a pressure, under the effect of this pressure, the arc pole 8 constantly removes, end until income arc wall 9, arc wall 9 begins to stretch out to 8 lower extremes of arc pole, then enter into the arc on the square conical head valve rod 14 and accomodate in the groove 15, in this process, the side is accomodate the spring 11 of 10 in the groove and is received a pulling force, spring 11 only is taking in the compression extension motion in the groove 10 in the side, connect through steel wire 13 and arc pole 8, spring 11 is keeping the extension state under the extrusion of the conical head of square conical head valve rod 14's upper end this moment, leave square conical head hole 7 after square conical head valve rod 14, 8 upper ends of arc pole are not receiving pressure, spring 11 shrinks gradually, arc pole 8 slowly rebound, the upper end that accomodates groove 15 and arc pole 8 is left to the lower extreme until arc pole 8 stretches out arc wall 9.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A multi-return-angle electric actuator is characterized in that: including executor host computer body (1) and square conical head valve rod (14), the higher authority position of executor host computer body (1) is provided with aperture display (2), the front position of executor host computer body (1) is provided with and shakes executor (3), the position is provided with shaft coupling (5) below the executor host computer body (1), be provided with fixed mounting frame (4) in the outside that is located shaft coupling (5) below the executor host computer body (1), pass through welded fastening connection below the higher authority of fixed mounting frame (4) and executor host computer body (1), the inside of shaft coupling (5) is provided with square conical head hole (7).

2. A multi-return-angle electric actuator according to claim 1, wherein: screw holes (6) are respectively formed in the corner positions on the periphery of the lower surface of the fixed mounting frame (4), and the bottom surface of the coupler (5) is flush with the bottom surface of the fixed mounting frame (4).

3. A multi-return-angle electric actuator according to claim 1, wherein: arc-shaped grooves (9) are formed in the same height position above the four side faces of the square conical head hole (7), and arc-shaped rods (8) are arranged inside the arc-shaped grooves (9).

4. A multi-return-angle electric actuator according to claim 3, wherein: the side of arc wall (9) all is provided with the side and accomodates groove (10), the side is accomodate the top in groove (10) and all links to each other with the higher authority fixed connection of bottom plate (12), the another side of bottom plate (12) and the one end of spring (11) are fixed, the other end of spring (11) and one end of steel wire (13) are fixed and are linked to each other, the middle part rigidity of another and arc pole (8) of steel wire (13) links to each other, arc wall (9) are stretched out to arc pole (8) upper end under the natural state of spring (11), and the lower extreme shrink of arc pole (8) is in arc wall (9).

5. The multi-return-angle electric actuator of claim 4, wherein: the square conical head valve rod (14) is identical to the square conical head hole (7) in shape, arc containing grooves (15) are formed in all the side faces of the square conical head valve rod (14) at the positions corresponding to the lower ends of the arc grooves (9), and the lower ends of the arc rods (8) are movably installed in the arc containing grooves (15).

6. A multi-return-angle electric actuator according to claim 1, wherein: the coupler (5) is located in the middle of the fixed mounting frame (4), and the outer circular surface of the coupler (5) is not in contact with the inside of the fixed mounting frame (4).

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