CN217328695U

CN217328695U - Coupling for non-invasive electric actuator

Info

Publication number: CN217328695U
Application number: CN202220240526.7U
Authority: CN
Inventors: 陈德贵; 黎守娟; 刘临霞
Original assignee: Tianjin Zhongyi Automation Instrument Co ltd
Current assignee: Tianjin Zhongyi Automation Instrument Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-08-30
Anticipated expiration: 2032-01-28

Abstract

The utility model discloses a non-invasive electric actuator is with shaft coupling, which comprises an outer shell, be provided with the slide rail in the shell, it is provided with the slider to slide on the slide rail, it runs through and is provided with the output shaft to rotate on the slider, the one end of output shaft has set gradually the output support, transmission support and input support, the tip fixed connection of output support and output shaft, be provided with first connecting rod between output support and transmission support, the one end and the output support rotation of first connecting rod are connected, and the other end is connected with the transmission rotate, be provided with the second connecting rod between transmission support and input support, second connecting rod one end is connected with the transmission rotate. The output shaft of the electric actuator is divided into two sections, the adjustable connecting shaft is arranged between the two sections of electric actuators, the electric actuator can be connected when the output shaft of the electric actuator is not concentric with the valve, the electric actuator can be adjusted conveniently, multiple use environments can be adapted, the application range is wider, the control precision is improved, and the purpose of safety production is achieved.

Description

Coupling for non-invasive electric actuator

Technical Field

The utility model belongs to the technical field of automated control, especially, relate to a non-invasive shaft coupling for electric actuator.

Background

An electric actuator, also called an electric actuator, is a valve driving device commonly used in industrial automatic control systems, and is a driving device capable of providing linear or rotary motion, and works under the action of a certain control signal by utilizing a certain driving energy source. The actuator uses a liquid, gas, electricity or other energy source and converts it into drive action by a motor, cylinder or other means. The electric actuator is used for connecting a valve body, the electric actuator takes a motor as a driving source and takes direct current as a control and feedback signal, and when an upper instrument or a computer sends out a control signal, the electric actuator acts according to the signal size proportion, a valve or an air door is opened to a corresponding opening degree through an output shaft, and the opening degree signal of the system is fed back to a control room, so that the adjusting function of the system is completed.

In practical use, the electric actuator needs to be installed on the upper portion of the valve and connected with the valve, so that the electric actuator can replace manpower to complete opening and closing of the valve, and some electric actuators are installed after the valve is normally used and limited by installation space and installation positions, so that the output end of the electric actuator cannot be aligned with the valve, and if the concentricity after installation is poor, the device can be damaged in use, and therefore a coupling for a non-invasive electric actuator needs to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a coupler for non-invasive electric actuator.

In order to solve the technical problem, the utility model discloses a technical scheme is:

the utility model provides a non-invasive electric actuator is with shaft coupling, includes the shell, be provided with the slide rail in the shell slide on the slide rail and be provided with the slider, it runs through and is provided with the output shaft to rotate on the slider, the one end of output shaft has set gradually output support, transmission support and input support, output support with the tip fixed connection of output shaft output support with be provided with first connecting rod between the transmission support, the one end of first connecting rod with output support rotates to be connected, and the other end with transmission support rotates to be connected transmission support with be provided with the second connecting rod between the input support, second connecting rod one end with transmission support rotates to be connected, and the other end with input support rotates to be connected still the fixed input shaft that is provided with on the input support.

Preferably, a sliding groove is formed in the shell below the sliding rail, and the other end of the output shaft extends out of the shell from the sliding groove.

Preferably, a screw rod is arranged on one side of the sliding rail, one end of the screw rod is rotatably connected with the inner wall of the shell, the other end of the screw rod penetrates through the side wall of the shell and is fixedly connected with an adjusting knob, a driving block is further arranged on the screw rod, and the driving block is fixedly connected with the sliding block.

Preferably, a mounting plate is arranged on one side of the input shaft in the shell, a motor is fixedly arranged on the mounting plate, and the output end of the motor penetrates through the mounting plate and is fixedly connected with the input shaft.

Preferably, the input support, the transmission support and the output support are completely the same, the input support, the transmission support and the output support are all Y-shaped, and the angles of the three support rods are the same.

Preferably, the bottom of the shell below the screw rod is fixedly provided with limiting blocks, and the limiting blocks are positioned on two sides of the driving block.

Preferably, the driving block and the screw are matched with each other through threads.

Preferably, two ends of the first connecting rod and the second connecting rod are connected to the free ends of the struts on the adjacent brackets.

The utility model has the advantages and positive effects that:

the utility model discloses a divide into two sections with electric actuator's output shaft to set up adjustable connecting axle between two sections electric actuator, can be connected when electric actuator output shaft and valve decentraction, and be convenient for adjust, can adapt to multiple service environment, and application range is more extensive, promotes control accuracy, reaches safety in production's purpose.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic cross-sectional view of the internal structure of the present invention;

FIG. 2 is a transverse cross-sectional view taken at the location C-C of FIG. 1;

FIG. 3 is a transverse cross-sectional view taken at location B-B of FIG. 2;

FIG. 4 is a transverse cross-sectional view taken at location A-A of FIG. 2;

FIG. 5 is a coupling shaft schematic of FIG. 2;

fig. 6 is a coupling deployment view of fig. 2.

The reference numerals are explained below:

1. a housing; 2. a slide rail; 3. a slider; 4. a drive block; 5. a screw; 6. an output shaft; 7. an output support; 8. a first link; 9. a transmission bracket; 10. a second link; 11. an input bracket; 12. an input shaft; 13. a motor; 14. adjusting a knob; 15. mounting a plate; 16. a chute; 17. and a limiting block.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, 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 by those of ordinary skill in the art through specific situations.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

The present invention will be further explained with reference to the accompanying drawings:

example 1

As shown in fig. 1 to 6, a coupling for a non-invasive electric actuator comprises a housing 1, and is characterized in that: be provided with slide rail 2 in the shell 1, it is provided with slider 3 to slide on slide rail 2, it runs through and is provided with output shaft 6 to rotate on slider 3, output shaft 6's one end has set gradually output support 7, transmission support 9 and input support 11, output support 7 and output shaft 6's tip fixed connection, be provided with first connecting rod 8 between output support 7 and transmission support 9, first connecting rod 8's one end and output support 7 rotate to be connected, and the other end rotates with transmission support 9 to be connected, be provided with second connecting rod 10 between transmission support 9 and input support 11, second connecting rod 10 one end rotates with transmission support 9 to be connected, and the other end rotates with input support 11 to be connected, still fixed input shaft 12 that is provided with on input support 11.

A sliding groove 16 is arranged on the housing 1 below the sliding rail 2, and the other end of the output shaft 6 extends out of the housing 1 from the sliding groove 16.

A screw rod 5 is arranged on one side of the sliding rail 2, one end of the screw rod 5 is rotatably connected with the inner wall of the shell 1, the other end of the screw rod 5 penetrates through the side wall of the shell 1 and is fixedly connected with an adjusting knob 14, a driving block 4 is further arranged on the screw rod 5, and the driving block 4 is fixedly connected with the sliding block 3.

An installation plate 15 is arranged on one side of the input shaft 12 in the shell 1, a motor 13 is fixedly arranged on the installation plate 15, and the output end of the motor 13 penetrates through the installation plate 15 to be fixedly connected with the input shaft 12.

The input support 11, the transmission support 9 and the output support 7 are completely the same, the shapes of the input support, the transmission support and the output support are Y-shaped, and the angles of the three support rods are the same.

The bottom of the shell 1 below the screw rod 5 is fixedly provided with a limiting block 17, and the limiting block 17 is positioned at two sides of the driving block 4.

The driving block 4 and the screw 5 are mutually matched through threads.

The two ends of the first connecting rod 8 and the second connecting rod 10 are respectively connected with the free ends of the supporting rods on the adjacent brackets.

The working process of the embodiment: when the valve is used, a worker firstly installs the electric actuator on the valve to be controlled, the worker connects the output shaft 6 of the electric actuator with the valve after the installation of the electric actuator is finished, if the concentricity of the output shaft 6 of the electric actuator and the valve is not good, the worker needs to select to rotate the adjusting knob 14 clockwise or anticlockwise according to the deviation position to adjust the position of the output shaft 6 of the electric actuator, the screw 5 rotates along with the knob after the worker rotates the knob, the driving block 4 matched with the screw 5 moves under the driving of the screw 5, after the driving block 4 moves, the slide block 3 moves along the slide rail 2 and the driving block 4, the output support 7 is driven to move by the output shaft 6 when the slide block 3 moves, the output support 7 is rotationally connected with the transmission support 9 through the first connecting rod 8, and the transmission support 9 is rotationally connected with the input support 11 through the second connecting rod 10, therefore, the transmission bracket 9 will also move under the driving of the first support rod when the output bracket 7 moves, as shown in fig. 6, the relative positions among the output bracket 7, the transmission bracket 9 and the input bracket 11 and the positions of the first connecting rod 8 and the second connecting rod 10 after the output bracket 7 moves, because the first connecting rod 8 and the second connecting rod 10 will be collinear after the output bracket 7 moves to the extreme position, and at this time, the driving block 4 will receive the thrust of the first connecting rod 8 and the second connecting rod 10 in a butting way if moving in the opposite direction, so that the sliding block 3 can not move back, a limit block 17 is arranged to prevent the device from entering the dead point, the electric actuator is connected with the valve after the output shaft 6 of the electric actuator moves to be concentric with the valve, the power will be transmitted to the input bracket 11 through the input shaft 12 when the motor 13 rotates, the multiple groups of brackets will drive the transmission bracket 9 to rotate through the second connecting rod 10, and after the transmission bracket 9 rotates, the power is transmitted to the output bracket 7 through the first connecting rod 8, and the output bracket 7 drives the output shaft 6 to rotate after transmission, so that the opening and closing of the valve are controlled.

While one embodiment of the present invention has been described in detail, the present invention is only a preferred embodiment of the present invention, and should not be construed as limiting the scope of the present invention. The equivalent changes and improvements made according to the application scope of the present invention should be still included in the patent coverage of the present invention.

Claims

1. A coupling for a non-invasive electric actuator, comprising a housing (1), characterized in that: the novel multifunctional electric hammer is characterized in that a sliding rail (2) is arranged in the shell (1), a sliding block (3) is arranged on the sliding rail (2) in a sliding mode, an output shaft (6) is arranged on the sliding block (3) in a penetrating mode in a rotating mode, an output support (7), a transmission support (9) and an input support (11) are sequentially arranged at one end of the output shaft (6), the output support (7) is fixedly connected with the end portion of the output shaft (6), a first connecting rod (8) is arranged between the output support (7) and the transmission support (9), one end of the first connecting rod (8) is rotatably connected with the output support (7), the other end of the first connecting rod is rotatably connected with the transmission support (9), a second connecting rod (10) is arranged between the transmission support (9) and the input support (11), one end of the second connecting rod (10) is rotatably connected with the transmission support (9), and the other end is rotationally connected with the input bracket (11), and an input shaft (12) is also fixedly arranged on the input bracket (11).

2. The coupling of claim 1, wherein: a sliding groove (16) is formed in the shell (1) and located below the sliding rail (2), and the other end of the output shaft (6) extends out of the shell (1) from the sliding groove (16).

3. The coupling of claim 1, wherein: slide rail (2) one side is provided with screw rod (5), screw rod (5) one end with shell (1) inner wall rotates to be connected, and the other end passes shell (1) lateral wall and fixedly connected with adjust knob (14) still be provided with drive block (4) on screw rod (5), drive block (4) with slider (3) fixed connection.

4. The coupling for a non-invasive electric actuator of claim 1, wherein: lie in shell (1) one side of input shaft (12) is provided with mounting panel (15) fixed being provided with motor (13) on mounting panel (15), the output of motor (13) passes mounting panel (15) with input shaft (12) fixed connection.

5. The coupling of claim 1, wherein: the input support (11), the transmission support (9) and the output support (7) are completely the same, the shapes of the input support, the transmission support and the output support are Y-shaped, and angles of the three support rods are the same.

6. The coupling of claim 3, wherein: the bottom of the shell (1) below the screw rod (5) is fixedly provided with limiting blocks (17), and the limiting blocks (17) are located on two sides of the driving block (4).

7. The coupling for a non-invasive electric actuator of claim 3, wherein: the driving block (4) is matched with the screw rod (5) through threads.

8. The coupling of claim 5, wherein: the two ends of the first connecting rod (8) and the second connecting rod (10) are connected to the free ends of the supporting rods on the adjacent brackets.