CN209990986U

CN209990986U - Electric straight stroke actuator

Info

Publication number: CN209990986U
Application number: CN201920515505.XU
Authority: CN
Inventors: 池攀攀; 杨丰盛
Original assignee: Odron Control Valve Co Ltd
Current assignee: Odron Control Valve Co Ltd
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-01-24
Anticipated expiration: 2029-04-17

Abstract

The utility model discloses an electronic straight stroke executor, the on-line screen storage device comprises a base, the upper end surface fixed mounting of base has the safety cover, the upper end of base is located the fixed position of the inside of safety cover and installs the motor, manual pivot is installed to the upper end of motor, one side surface of motor is located the fixed position of the inside of safety cover and installs the controller, the opposite side surface of motor is located the fixed position of the inside of safety cover and installs aperture detecting element, the position that the lower extreme of base is located the inside of support is equipped with the output shaft, the position that the lower extreme surface of output shaft is located the inside of support is equipped with split nut, the position that one side surface of support is located one side of split nut is equipped with the stroke scale, the position that the upper end of support is located the both sides. The utility model discloses can improve the security performance of executor to can improve the stability of executor, have the practicality.

Description

Electric straight stroke actuator

Technical Field

The utility model relates to an electric actuator technical field especially relates to electronic straight stroke executor.

Background

An electric linear actuator is a drive device that provides linear motion and is electrically driven and operates under some control signal, and is typically used to drive a valve to a fully open or fully closed position. The existing electric straight stroke actuator has certain defects when in use, the safety of the electric straight stroke actuator is not high, the stability of the electric straight stroke actuator when in use is not good, and certain influence is brought to the use process, so the electric straight stroke actuator is improved at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an electric straight stroke actuator.

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

the electric straight stroke actuator comprises a base and a support, wherein a protective cover is fixedly arranged on the outer surface of the upper end of the base, a motor is fixedly arranged at the position, located inside the protective cover, of the upper end of the base, a manual rotating shaft is arranged at the upper end of the motor, a controller is fixedly arranged at the position, located inside the protective cover, of the outer surface of one side of the motor, an opening degree detection unit is fixedly arranged at the position, located inside the protective cover, of the outer surface of the other side of the motor, an output shaft is arranged at the position, located inside the support, of the lower end of the base, a split nut is arranged at the position, located inside the support, of the outer surface of the lower end of the output shaft, a stroke scale is arranged at the position, located on one side of the split nut, of the outer surface of one side of the support, the outer surface of the upper end of the support is located on a position fixedly connected with corrugated pipe outside the damping spring, the protective cover is composed of an alloy shell, a buffer plate and a heat dissipation plate, and the alloy shell, the buffer plate and the heat dissipation plate respectively form the protective cover from outside to inside.

Preferably, the outer fixed surface all around of base installs the connector link, and the quantity of connector link is a plurality of groups, the safety cover passes through connector link and base fixed connection.

Preferably, the outer surface of one side of the opening and closing nut is fixedly connected with a pointer, and the support is fixedly connected with the base through a fixing bolt.

Preferably, the buffer plate is made of rubber, and the heat dissipation plate is made of an aluminum substrate.

Preferably, the output shaft is internally provided with a spring, and the lower end of the bracket is of a circular ring structure.

Preferably, the number of the damping springs and the number of the corrugated pipes are two, and the outer surface of the upper end of the protective cover is provided with a shaft hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, constitute the safety cover of executor by alloy shell, buffer board, heating panel, alloy shell protects electric linear motion executor's internal component, and the buffer board is made by rubber, has the effect of energy-absorbing buffering, and when electric linear motion executor takes place to shake and collide, the buffer board can absorb the impact force, can play collision-resistant and explosion-proof effect, makes electric linear motion executor's security higher;

2. in the utility model, the damping spring and the corrugated pipe are arranged outside the fixing bolt of the base and the bracket, the corrugated pipe is used for wrapping the damping spring, the damping spring has the damping function, the damping spring can absorb and buffer the vibration force in the process of installation and use of the electric straight stroke actuator, and when the electric straight stroke actuator vibrates in the use process, the damping spring can reduce the vibration amplitude of the electric straight stroke actuator, so that the structure of the electric straight stroke actuator is more stable;

to sum up, the utility model discloses can improve the security performance of executor to can improve the stability of executor, have the practicality.

Drawings

Fig. 1 is a front view of an electric linear actuator according to the present invention;

fig. 2 is a schematic diagram of the electric linear actuator according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 of the electric linear actuator according to the present invention;

fig. 4 is a structural composition diagram of the protective cover of the electric linear actuator according to the present invention.

In the figure: the device comprises a base 1, a protective cover 2, a motor 3, a manual rotating shaft 4, a controller 5, an opening degree detection unit 6, a support 7, an output shaft 8, an opening and closing nut 9, a stroke scale 10, a fixing bolt 11, a damping spring 12, a corrugated pipe 13, an alloy shell 14, a buffer plate 15 and a heat dissipation plate 16.

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.

Referring to fig. 1-4, the electric straight stroke actuator comprises a base 1 and a bracket 7, wherein a protective cover 2 is fixedly installed on the outer surface of the upper end of the base 1, a motor 3 is fixedly installed at the position, located inside the protective cover 2, of the upper end of the base 1, a manual rotating shaft 4 is installed at the upper end of the motor 3, a controller 5 is fixedly installed at the position, located inside the protective cover 2, of the outer surface of one side of the motor 3, an opening detection unit 6 is fixedly installed at the position, located inside the protective cover 2, of the outer surface of the other side of the motor 3, an output shaft 8 is arranged at the position, located inside the bracket 7, of the lower end of the base 1, an opening and closing nut 9 is arranged at the position, located inside the opening and closing nut 9, of the outer surface of one side of the bracket 7, a stroke scale 10, the outer surface of the upper end of the support 7 is provided with a damping spring 12 at the position outside the fixing bolt 11, the outer surface of the upper end of the support 7 is fixedly connected with a corrugated pipe 13 at the position outside the damping spring 12, the protective cover 2 is composed of an alloy shell 14, a buffer plate 15 and a heat dissipation plate 16, and the alloy shell 14, the buffer plate 15 and the heat dissipation plate 16 respectively form the protective cover 2 from outside to inside.

Outer fixed surface all around of base 1 installs the connector link, the quantity of connector link is a plurality of groups, safety cover 2 passes through connector link and base 1 fixed connection, the outer fixed surface of one side of nut 9 that opens and shuts is connected with the pointer, support 7 passes through fixing bolt 11 and base 1 fixed connection, the material of buffer board 15 is rubber, the material of heating panel 16 is aluminium base board, the inside of output shaft 8 is equipped with the spring, the lower extreme of support 7 is ring column structure, damping spring 12 is two sets of with the quantity of bellows 13, the shaft hole has been seted up to the upper end surface of safety cover 2.

The working principle is as follows: when in use, the bracket 7 is connected to the lower end of the base 1 through the fixing bolt 11, the damping spring 12 and the corrugated pipe 13 are arranged outside the fixing bolt 11, the damping spring 12 is wrapped on the outer surface of the fixing bolt 11, the corrugated pipe 13 is wrapped on the outer surface of the damping spring 12, the damping spring 12 can reduce the vibration amplitude of the electric straight stroke actuator in use, so that the stability of the electric straight stroke actuator is stronger, the protective cover 2 is arranged at the upper end of the base 1, the protective cover 2 consists of an alloy shell 14, a buffer plate 15 and a heat dissipation plate 16, the buffer plate 15 has the effect of energy absorption and buffering, so that the electric straight stroke actuator is prevented from being damaged when being impacted, the electric straight stroke actuator is arranged on a valve through the bracket 7 at the lower end of the base 1, the electric straight stroke actuator is connected with a power supply through a, the motor 3 drives the output shaft 8 to rotate, one end of the opening and closing nut 9 is fixed on a cutter walking plate on the inner side of the support 7, the opening and closing nut 9 is equivalent to a nut tightly matched with a screw rod, the opening and closing nut 9 does not rotate when the output shaft 8 rotates (the opening and closing nut 9 is fixed on the cutter walking plate and can only move up and down), the opening and closing nut 9 can be driven to move up and down, so that a valve plate at the lower end of the opening and closing nut 9 is controlled to be opened and closed, a stroke scale 10 is installed on one side of the support 7, the moving distance can be accurately known when the opening and closing nut 9 moves up and down, then the moving data is transmitted to the opening degree detection unit 6, and the opening degree detection unit; the utility model discloses can improve the security performance of executor to can improve the stability of executor, have the practicality.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Electric straight-stroke actuator, which comprises a base (1) and a support (7), and is characterized in that a protective cover (2) is fixedly arranged on the outer surface of the upper end of the base (1), a motor (3) is fixedly arranged on the position, located inside the protective cover (2), of the upper end of the base (1), a manual rotating shaft (4) is arranged on the upper end of the motor (3), a controller (5) is fixedly arranged on the position, located inside the protective cover (2), of the outer surface of one side of the motor (3), an opening detection unit (6) is fixedly arranged on the position, located inside the protective cover (2), of the outer surface of the other side of the motor (3), an output shaft (8) is arranged on the position, located inside the support (7), of the lower end of the base (1), an opening and closing nut (9) is arranged on the position, located inside the support (, the utility model discloses a safety protection device for automobile engine, including support (7), the position that one side surface of support (7) is located one side of split nut (9) is equipped with travel scale (10), the position that the upper end of support (7) is located the both sides of output shaft (8) all is equipped with fixing bolt (11), the position that the upper end surface of support (7) is located the outside of fixing bolt (11) is equipped with damping spring (12), the position fixedly connected with bellows (13) of the upper end surface of support (7) is located the outside of damping spring (12), safety cover (2) comprise alloy housing (14), buffer board (15) and heating panel (16), alloy housing (14), buffer board (15) and heating panel (16) constitute safety cover (2) by outer to interior respectively.

2. The electric straight stroke actuator according to claim 1, wherein the base (1) is fixedly provided with a plurality of groups of connecting buckles on the peripheral outer surface, and the protective cover (2) is fixedly connected with the base (1) through the connecting buckles.

3. The electric linear actuator according to claim 1, wherein a pointer is fixedly connected to the outer surface of one side of the split nut (9), and the bracket (7) is fixedly connected with the base (1) through a fixing bolt (11).

4. The electric linear actuator according to claim 1, wherein the buffer plate (15) is made of rubber, and the heat dissipation plate (16) is made of aluminum substrate.

5. The electric linear actuator according to claim 1, wherein a spring is arranged inside the output shaft (8), and the lower end of the bracket (7) is of a circular ring structure.

6. The electric straight stroke actuator according to claim 1, wherein the number of the damping springs (12) and the number of the corrugated pipes (13) are two, and the outer surface of the upper end of the protective cover (2) is provided with a shaft hole.