CN214889203U

CN214889203U - Electric actuator

Info

Publication number: CN214889203U
Application number: CN202121425470.4U
Authority: CN
Inventors: 黄宇
Original assignee: Shuixiang Water Purification Technology Liaoning Co ltd
Current assignee: Shuixiang Water Purification Technology Liaoning Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-11-26
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses an electric actuator, including casing, PCB control panel and executor main part set up in the casing, and the executor main part includes actuating motor and executor pivot, and the PCB control panel setting is equipped with first through-hole in the middle part of the PCB control panel in the shells inner wall bottom, and the casing bottom is equipped with the second through-hole, and executor pivot one end runs through first through-hole and second through-hole, and the other end is connected with actuating motor, is equipped with a plurality of micro-gap switches along first through-hole edge on the PCB control panel. The advantage lies in, the PCB control panel setting is in the base bottom, and the executor pivot setting is between motor and PCB control panel board, and the main shaft and the executor pivot of motor are connected, and the main shaft drives the pivot and rotates, and the pivot is connected with the valve rod again, and overall structure is compact, can effectively utilize limited space in the shell cover.

Description

Electric actuator

Technical Field

The utility model relates to an electric actuator.

Background

The remote control of the ball valve switch is realized by controlling the ball valve by the actuator, and the ball valve switch is widely applied to water service systems, heating and ventilation systems, solar energy, medium regulation and cut-off systems and the like.

The actuator is an essential important component of an automatic control system. It is used to receive the control signal from the controller and change the size of the controlled medium to maintain the controlled variable at the required value or in certain range.

The electric actuator PCB control plate structure realizes remote operation through the motor in the remote control actuator, and because each item control is all realized through remote control, the actuator can set up in some special environment, consequently, the reliability of actuator, the practicality all has higher requirement.

SUMMERY OF THE UTILITY MODEL

For solving the problem and not enough that prior art exists, the utility model aims at providing an electric actuator PCB control plate structure has higher reliability.

Electric actuator PCB control panel structure, which comprises a housin, PCB control panel and executor main part set up in the casing, the executor main part includes actuating motor and executor pivot, the PCB control panel sets up in the shells inner wall bottom, PCB control panel middle part is equipped with first through-hole, the casing bottom is equipped with the second through-hole, first through-hole and second through-hole are run through to executor pivot one end, the other end is connected with actuating motor, be equipped with a plurality of micro-gap switches along first through-hole edge on the PCB control panel.

Furthermore, the quantity of micro-gap switch is 2, is 90 settings on the PCB control panel between 2 micro-gap switches.

Furthermore, a first mounting hole is formed in the PCB control panel, and the micro switch is fixedly mounted on the PCB control panel through being assembled with the first mounting hole.

Furthermore, a second mounting hole is formed in the PCB control panel, and the PCB control panel is fixedly mounted on the shell through being assembled with the second mounting hole.

Further, the PCB control panel is welded with a step-down capacitor and a capacitor, an external power supply is connected with the step-down capacitor, the step-down capacitor is connected with the capacitor, and the capacitor is respectively connected with the 2 micro switches.

Furthermore, the side of the shell is also provided with a cable hole, and a cable of an external power supply penetrates through the cable hole to be connected with the voltage reduction capacitor.

Furthermore, the surface of the rotating shaft of the actuator is provided with a convex cambered surface which is relatively convex and a concave cambered surface which is relatively concave.

Furthermore, the convex cambered surface and the concave cambered surface of the actuator rotating shaft both account for one half of the circumference of the actuator rotating shaft.

The utility model discloses an useful part lies in:

1. the motor sets up on the installation projection of base, establish respectively on the installation projection by motor reference column and motor mounting hole, the quick location fit of the installation spacer of motor reference column and motor both sides, the rethread bolt is installed the motor on the installation projection, the PCB control panel then sets up in the base bottom, the pivot sets up between motor and PCB control panel, the main shaft and the pivot of motor are connected, the main shaft drives the pivot and rotates, the pivot is connected with the valve rod again, overall structure is compact, can effectively utilize limited space in the shell.

2. The surface of the rotating shaft comprises a concave cambered surface and a convex cambered surface which respectively account for one half of the circumference of the rotating shaft, when the rotating shaft rotates, the convex cambered surface can touch the microswitch, the concave cambered surface cannot touch the microswitch, and the motor can be controlled to rotate through the structure.

Drawings

Fig. 1 is an internal structural schematic diagram of the electric actuator of the present invention.

Fig. 2 is a schematic structural diagram of an electric actuator (without an actuating motor and an actuator rotating shaft) according to the present invention.

Fig. 3 is a schematic structural diagram of an electric actuator (without an actuating motor) according to the present invention.

Reference numerals: the device comprises a shell 1, a PCB control board 2, an executing motor 3, an actuator rotating shaft 4, a microswitch 5, a first through hole 6, a second mounting hole 7 and a first mounting hole 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The utility model provides an electric actuator, which comprises a housin, PCB control panel and executor main part set up in the casing, the executor main part includes actuating motor and executor pivot, the PCB control panel sets up in the shells inner wall bottom, PCB control panel middle part is equipped with first through-hole, the casing bottom is equipped with the second through-hole, first through-hole and second through-hole are run through to executor pivot one end, the other end is connected with actuating motor, be equipped with a plurality of micro-gap switches along first through-hole edge on the PCB control panel. The micro-gap switch quantity is 2, is 90 settings on the PCB control panel between 2 micro-gap switches. The PCB control panel is provided with a first mounting hole, and the micro switch is fixedly mounted on the PCB control panel through being assembled with the first mounting hole. The PCB control panel is also provided with a second mounting hole, and the PCB control panel is fixedly mounted on the shell through being assembled with the second mounting hole. Still weld on the PCB control panel and have step-down electric capacity and electric capacity, external power source connects step-down electric capacity, and step-down electric capacity connects electric capacity, and electric capacity is connected with 2 micro-gap switches respectively. The shell side still is equipped with the cable hole, and external power source's cable passes the cable hole and is connected with step-down capacitor. The surface of the actuator rotating shaft is provided with a convex cambered surface which is relatively convex and a concave cambered surface which is relatively concave. The convex cambered surface and the concave cambered surface of the actuator rotating shaft both account for one half of the circumference of the actuator rotating shaft.

During the in-service use, base both sides installation projection is equipped with motor reference column and motor mounting hole on the installation projection, and the motor both sides are equipped with the installation spacer, and the motor erects on the installation projection of base both sides through the installation spacer, and the motor reference column is used for when the motor equipment, fixes a position the motor fast, and the motor mounting hole of one side then is used for using the bolt with motor fixed mounting on the installation projection.

The micro switch comprises a first micro switch and a second micro switch, and the first micro switch and the second micro switch are arranged at an angle of 90 degrees by taking the rotating shaft as the center. When the rotating shaft rotates, the micro switch comprises the following states, including that the first micro switch and the second micro switch are both closed, the first micro switch and the second micro switch are both opened, the first micro switch is closed, the second micro switch is opened, the first micro switch is opened, and the second micro switch is closed. And controlling the rotation or stop of the rotating shaft according to different states of different micro switches.

The convex cambered surface and the concave cambered surface of the rotating shaft both account for one half of the circumference of the rotating shaft.

The upper end of the rotating shaft is connected with the motor, the lower end of the rotating shaft penetrates through the bottom of the base, and the lower end of the rotating shaft is provided with a plug-in port which is used for being in plug-in fit with the valve rod of the valve. The plug interface is in plug fit with the valve rod, so that the valve rod is driven to rotate, and the on-off of the valve is controlled finally.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims

1. The utility model provides an electric actuator, a serial communication port, which comprises a housin, PCB control panel and executor main part set up in the casing, the executor main part includes actuating motor and executor pivot, the PCB control panel sets up in the shells inner wall bottom, PCB control panel middle part is equipped with first through-hole, the casing bottom is equipped with the second through-hole, first through-hole and second through-hole are run through to executor pivot one end, the other end is connected with actuating motor, be equipped with a plurality of micro-gap switches along first through-hole edge on the PCB control panel.

2. The electric actuator as claimed in claim 1, wherein the number of the micro switches is 2, and the 2 micro switches are arranged on the PCB control board at 90 degrees.

3. The electric actuator as claimed in claim 2, wherein the PCB control board is provided with a first mounting hole, and the micro switch is fixedly mounted on the PCB control board by being assembled with the first mounting hole.

4. The electric actuator as claimed in claim 3, wherein the PCB control board further has a second mounting hole, and the PCB control board is fixedly mounted on the housing by being assembled with the second mounting hole.

5. The electric actuator according to claim 4, wherein a step-down capacitor and a capacitor are further soldered on the PCB control board, an external power supply is connected with the step-down capacitor, the step-down capacitor is connected with the capacitor, and the capacitor is respectively connected with the 2 micro switches.

6. The electric actuator according to claim 5, wherein the housing is further provided with a cable hole at a side thereof, and a cable of an external power supply is connected to the step-down capacitor through the cable hole.

7. An electric actuator as claimed in claim 6 wherein the actuator shaft surface is provided with a relatively convex arcuate surface and a relatively concave arcuate surface.

8. An electric actuator as claimed in claim 7 wherein the convex and concave curved surfaces of the actuator shaft each occupy one half of the circumference of the actuator shaft.