CN214177782U

CN214177782U - Explosion-proof electric actuator

Info

Publication number: CN214177782U
Application number: CN202120314838.3U
Authority: CN
Inventors: 周正
Original assignee: Daqing Shiminda Machinery Manufacturing Co ltd
Current assignee: Daqing Shiminda Machinery Manufacturing Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-09-10
Anticipated expiration: 2031-02-03

Abstract

The utility model discloses an explosion-proof type electric actuator belongs to electric actuator technical field, including the executor main part, executor main part outside fixed mounting has explosion-proof shell, explosion-proof shell one side can be dismantled and is connected with the rotation axis, rotation axis one side is rotated and is connected with the dog, the welding of dog right side has spring A, spring A top fixed mounting has branch, explosion-proof shell right side has seted up the volume that through-hole and through-hole inboard are greater than the dog, explosion-proof shell below fixed mounting has damper assembly, damper assembly below fixed mounting has the protective housing, the quantity that louvre and louvre were seted up on the protective housing surface is a plurality of. The utility model discloses a locating piece, locating lever, spring B, constant head tank and the dust screen of installation avoid dust and executor main part contact to cause the damage to the executor main part, are convenient for dismantle and wash the dust screen simultaneously, have fine practicality, the suggestion is promoted.

Description

Explosion-proof electric actuator

Technical Field

The utility model relates to an electric actuator technical field especially relates to an explosion-proof type electric actuator.

Background

The actuator is most broadly defined as a drive device that provides linear or rotational motion, and operates using some type of drive energy and under some type of control signal. Actuators use liquid, gas, electricity or other energy sources and convert them into drive action by motors, cylinders or other means. The basic types of the three-phase driving device are a partial-Turn (Part-Turn), a Multi-Turn (Multi-Turn) and a straight stroke (Linear) driving mode.

The basic actuator is used to drive the valve to a fully open or fully closed position. The actuator used to control the valve can precisely move the valve to any position. Although most actuators are used for opening and closing valves, today's actuators are designed far beyond simple opening and closing functions, and they include position sensing devices, torque sensing devices, electrode protection devices, logic control devices, digital communication modules, and PID control modules, all of which are housed in a compact housing.

Patent No. 201920359998.2 discloses a novel explosion-proof electric actuator, and the device can be isolated with actuator element and external inflammable and explosive gas, and can carry out the pressure release to the actuator inside automatically, and can hit violently when atmospheric pressure is too high and carry out artifical pressure release, avoids the high explosion that takes place of atmospheric pressure, and the people of being convenient for use.

The novel explosion-proof electric actuator has the following disadvantages in use:

1. above-mentioned novel explosion-proof electric actuator during the use, can't carry out dustproof operation, influences executor life.

2. Above-mentioned novel explosion-proof electric actuator during the use, can not carry out shock attenuation operation to the executor, makes the executor receive the damage easily.

SUMMERY OF THE UTILITY MODEL

The utility model provides an explosion-proof electric actuator, aim at the utility model discloses aim at locating piece through the installation, the locating lever, spring B, constant head tank and dust screen, during the use, the dust screen of installation in the protective housing outside avoids having the dust to carry out the inside and actuator main part contact of protective housing through the louvre, cause the damage to the actuator main part, when dismantling the dust screen, upwards promote the locating lever, the spring B of installation of locating lever top is upwards compressed afterwards, the locating piece of locating lever side-mounting separates with the constant head tank inboard that the protective housing left side was seted up afterwards, stimulate the dust screen left afterwards, then the locating piece of locating lever one side shifts out from in the constant head tank, thereby be convenient for dismantle and wash the dust screen.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of explosion-proof electric actuator, including the executor main part, executor main part outside fixed mounting has explosion-proof shell, explosion-proof shell one side can be dismantled and is connected with the rotation axis, rotation axis one side is rotated and is connected with the dog, the welding of dog right side has spring A, spring A top fixed mounting has branch, explosion-proof shell right side is seted up through-hole and the inboard volume that is greater than the dog of through-hole, explosion-proof shell below fixed mounting has damper assembly, damper assembly below fixed mounting has the protective housing, the quantity that louvre and louvre were seted up on the protective housing surface is a plurality of, the protective housing outside can be dismantled and be connected with the dust screen, dust screen one side fixed mounting has locating component.

Optionally, the positioning assembly comprises a spring B, a positioning rod, a positioning block and a positioning groove, the spring B is welded on one side of the dustproof net, the positioning rod is welded below the spring B, the positioning block is welded on one side of the positioning rod, and the positioning groove is formed in one side of the protective shell.

Optionally, shock attenuation subassembly includes damping spring, draw-in groove, block rubber, elastic air cushion, montant, slider and horizontal pole, the welding of explosion-proof shell below has damping spring, damping spring below gap connection has the horizontal pole, the inboard fixed mounting of horizontal pole has the slider, the inboard sliding connection of slider has the montant, montant outside bottom fixed mounting has the elastic air cushion, the horizontal pole below can dismantle and be connected with the block rubber.

Optionally, a clamping groove is formed in the inner side of the protective shell, and a cross rod is connected to the inner side of the clamping groove in a sliding mode.

Optionally, the inner side of the clamping groove is the same as the left end of the cross rod in size.

The utility model has the advantages as follows:

1. the utility model discloses a locating piece of installation, the locating lever, spring B, constant head tank and dust screen, during the use, the dust screen of installation in the protective housing outside avoids having the dust to carry out the inside and actuator main part contact of protective housing through the louvre, cause the damage to the actuator main part, when will dismantling the dust screen, upwards promote the locating lever, the spring B of installation of locating lever top makes progress the compression afterwards, the locating piece of locating lever one side installation separates with the constant head tank inboard that the protective housing left side was seted up afterwards, stimulate the dust screen left afterwards, then the locating piece of locating lever one side shifts out from in the constant head tank, thereby be convenient for dismantle and wash the dust screen.

2. The utility model discloses a damping spring of installation, the draw-in groove, the horizontal pole, the slider, the montant, block rubber and elastic air cushion, when the executor main part takes place to rock, the explosion-proof shell in the executor main part outside is pushed down, the damping spring of explosion-proof shell below installation pushes down afterwards, the draw-in groove inboard lapse that the horizontal pole of damping spring below installation was seted up in the protecting crust inboard afterwards, then the rubber pad of horizontal pole below installation pushes down, the slider of horizontal pole inboard installation is in the montant outside lapse simultaneously, the elastic air cushion of montant outside bottom installation is pushed down afterwards to the slider, then elastic air cushion and block rubber drive horizontal pole lapse, damping spring drives explosion-proof shell and upwards pops out afterwards, thereby reach absorbing purpose, protect the executor main part, avoid the executor main part to receive the damage.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of an explosion-proof electric actuator according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a positioning assembly of an explosion-proof electric actuator according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a shock-absorbing assembly of an explosion-proof electric actuator according to an embodiment of the present invention;

in the figure: 1. a dust screen; 2. heat dissipation holes; 3. a positioning assembly; 4. a protective shell; 5. an actuator body; 6. a shock absorbing assembly; 7. a rotating shaft; 8. a through hole; 9. a strut; 10. a spring A; 11. a stopper; 12. an explosion-proof shell; 13. a spring B; 14. positioning a rod; 15. positioning a groove; 16. positioning blocks; 17. a damping spring; 18. a card slot; 19. a rubber block; 20. an elastic air cushion; 21. a vertical rod; 22. a slider; 23. a cross bar.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An explosion-proof electric actuator according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1 to 3, an explosion-proof electric actuator according to an embodiment of the present invention includes an actuator body 5, an explosion-proof shell 12 is fixedly arranged on the outer side of the actuator main body 5, one side of the explosion-proof shell 12 is detachably connected with a rotating shaft 7, a stop block 11 is rotatably connected on one side of the rotating shaft 7, a spring A10 is welded on the right side of the stop block 11, a supporting rod 9 is fixedly arranged above the spring A10, a through hole 8 is arranged at the right side of the explosion-proof shell 12, the inner side of the through hole 8 is larger than the volume of the stop block 11, a shock absorption assembly 6 is fixedly arranged below the explosion-proof shell 12, a protective shell 4 is fixedly arranged below the shock absorption assembly 6, the number that louvre 2 and louvre 2 were seted up on 4 surfaces of protective housing is a plurality of, 4 outsides of protective housing can be dismantled and be connected with

dust screen

1, 1 one side fixed mounting of dust screen has locating component 3.

By way of example, through the installed strut 9, the spring A10, the stop block 11, the rotating shaft 7 and the through hole 8, when the explosion-proof shell is used, the strut 9 on one side of the protection shell 4 is pulled regularly, then the strut 9 drives the left stop block 11 to move rightwards, then the stop block 11 rotates rightwards through the rotating shaft 7 installed above, and then the stop block 11 is separated from the through hole 8 formed in the top end of the right side of the explosion-proof shell 12, so that the inside of the explosion-proof shell 12 is relieved in pressure, and the explosion-proof purpose is achieved.

Referring to fig. 2, the positioning assembly 3 includes a spring B13, a positioning rod 14, a positioning block 16 and a positioning groove 15, a spring B13 is welded on one side of the dust screen 1, the positioning rod 14 is welded below the spring B13, the positioning block 16 is welded on one side of the positioning rod 14, and the positioning groove 15 is formed on one side of the protective shell 4.

Illustratively, the dust screen 1 is convenient to detach through the installed spring B13, the positioning rod 14, the positioning block 16 and the positioning groove 15.

Referring to fig. 3, shock-absorbing component 6 includes damping spring 17, draw-in groove 18, block rubber 19, elastic air cushion 20, montant 21, slider 22 and horizontal pole 23, the welding of explosion-proof shell 12 below has damping spring 17, damping spring 17 below gap connection has horizontal pole 23, the inboard fixed mounting of horizontal pole 23 has slider 22, the inboard sliding connection of slider 22 has montant 21, the elastic air cushion 20 of montant 21 outside bottom fixed mounting, horizontal pole 23 below detachable is connected with block rubber 19.

Illustratively, the actuator body 5 is subjected to a damping operation through the installation of a damping and shock absorbing spring 17, a clamping groove 18, a rubber block 19, an elastic air cushion 20, a vertical rod 21, a sliding block 22 and a cross rod 23.

Referring to fig. 3, a clamping groove 18 is formed in the inner side of the protective shell 4, and a cross bar 23 is slidably connected to the inner side of the clamping groove 18.

Illustratively, the movement of the cross bar 23 is facilitated by the presence of the slot 18.

Referring to fig. 3, the inner side of the slot 18 is the same as the left end of the cross bar 23.

Illustratively, the transverse rod 23 can slide conveniently by arranging the inner side of the clamping groove 18 to be consistent with the left end of the transverse rod 23 in size.

The embodiment of the utility model provides an explosion-proof electric actuator, when using, regularly stimulate the branch 9 on one side of the protective housing 4, then the branch 9 drives the left dog 11 to move to the right, then the dog 11 rotates to the right through the rotation axis 7 installed above, then the dog 11 separates with the through-hole 8 that the top of the right side of the explosion-proof housing 12 opened, thereby facilitating the pressure relief inside the explosion-proof housing 12, thereby achieving the explosion-proof purpose, and improving the service life of the actuator main body 5, the dust screen 1 installed outside the protective housing 4 avoids the dust to contact with the actuator main body 5 inside the protective housing 4 through the heat dissipation hole 2, and damages the actuator main body 5, when the dust screen 1 is to be disassembled, the positioning rod 14 is pushed upwards, then the spring B13 installed above the positioning rod 14 is compressed upwards, then the positioning block 16 installed on one side of the positioning rod 14 is separated from the positioning groove 15 inside the left of the protective housing 4, then the dust screen 1 is pulled leftwards, then the positioning block 16 on one side of the positioning rod 14 is moved out from the positioning groove 15, so that the dust screen 1 is convenient to disassemble and clean, when the actuator main body 5 shakes, the explosion-proof shell 12 on the outer side of the actuator main body 5 is pressed downwards, then the damping shock-absorbing spring 17 arranged below the explosion-proof shell 12 is pressed downwards, then the cross rod 23 arranged below the damping shock-absorbing spring 17 slides downwards in the clamping groove 18 arranged on the inner side of the protective shell 4, then the rubber block 19 arranged below the cross rod 23 is pressed downwards, meanwhile the slide block 22 arranged on the inner side of the cross rod 23 slides downwards on the outer side of the vertical rod 21, then the slide block 22 presses downwards the elastic air cushion 20 arranged at the bottom end of the outer side of the vertical rod 21, then the elastic air cushion 20 and the rubber block 19 drive the cross rod 23 to slide upwards, then the damping shock-absorbing spring 17 drives the explosion-proof shell 12 to pop up, so as to achieve the purpose of shock absorption, the actuator body 5 is protected from damage to the actuator body 5.

The utility model relates to an explosion-proof electric actuator, which comprises a1, a dust screen; 2. heat dissipation holes; 3. a positioning assembly; 4. a protective shell; 5. an actuator body; 6. a shock absorbing assembly; 7. a rotating shaft; 8. a through hole; 9. a strut; 10. a spring A; 11. a stopper; 12. an explosion-proof shell; 13. a spring B; 14. positioning a rod; 15. positioning a groove; 16. positioning blocks; 17. a damping spring; 18. a card slot; 19. a rubber block; 20. an elastic air cushion; 21. a vertical rod; 22. a slider; 23. the cross bar and the electrical components are all products in the prior art, a person skilled in the art selects, installs and completes debugging operation of a circuit according to use requirements to ensure that each electrical appliance can normally work, the components are all universal standard components or components known by the person skilled in the art, the structure and the principle of the components are known by the person skilled in the art through technical manuals or conventional experimental methods, and the applicant does not specifically limit the components.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments 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. An explosion-proof electric actuator comprises an actuator body (5) and is characterized in that an explosion-proof shell (12) is fixedly mounted on the outer side of the actuator body (5), a rotating shaft (7) is detachably connected to one side of the explosion-proof shell (12), a stop block (11) is rotatably connected to one side of the rotating shaft (7), a spring A (10) is welded on the right side of the stop block (11), a support rod (9) is fixedly mounted above the spring A (10), a through hole (8) is formed in the right side of the explosion-proof shell (12), the inner side of the through hole (8) is larger than the volume of the stop block (11), a shock absorption assembly (6) is fixedly mounted below the explosion-proof shell (12), a protective shell (4) is fixedly mounted below the shock absorption assembly (6), heat dissipation holes (2) are formed in the surface of the protective shell (4), the number of the heat dissipation holes (2) is a plurality of the number, a dust screen (1) is detachably connected to the outer side of the protective shell (4), and a positioning component (3) is fixedly arranged on one side of the dustproof net (1).

2. The explosion-proof electric actuator according to claim 1, wherein the positioning assembly (3) comprises a spring B (13), a positioning rod (14), a positioning block (16) and a positioning groove (15), the spring B (13) is welded on one side of the dust screen (1), the positioning rod (14) is welded below the spring B (13), the positioning block (16) is welded on one side of the positioning rod (14), and the positioning groove (15) is formed on one side of the protective shell (4).

3. The explosion-proof electric actuator according to claim 1, wherein the shock absorption assembly (6) comprises a damping shock absorption spring (17), a clamping groove (18), a rubber block (19), an elastic air cushion (20), a vertical rod (21), a sliding block (22) and a cross rod (23), the damping shock absorption spring (17) is welded below the explosion-proof shell (12), the cross rod (23) is connected below the damping shock absorption spring (17) in a gap mode, the sliding block (22) is fixedly installed on the inner side of the cross rod (23), the vertical rod (21) is connected on the inner side of the sliding block (22) in a sliding mode, the elastic air cushion (20) is fixedly installed on the outer bottom end of the vertical rod (21), and the rubber block (19) is detachably connected below the cross rod (23).

4. An explosion-proof electric actuator according to claim 3, wherein a slot (18) is formed inside the protective shell (4), and a cross bar (23) is slidably connected inside the slot (18).

5. An explosion-proof electric actuator according to claim 4, characterized in that the inner side of the slot (18) is the same size as the left end of the cross bar (23).