CN215487913U

CN215487913U - Multifunctional explosion-proof electric actuating mechanism compatible with multiple communication modes

Info

Publication number: CN215487913U
Application number: CN202120737051.8U
Authority: CN
Inventors: 马玉波
Original assignee: Zhongke Kerun Tianjin Technology Co ltd
Current assignee: Zhongke Kerun Tianjin Technology Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2022-01-11
Anticipated expiration: 2031-04-12

Abstract

The utility model discloses a multifunctional explosion-proof electric actuator compatible with multiple communication modes, which comprises an outer frame shell, wherein an electric actuator main body is arranged at the bottom inside the outer frame shell, an explosion-proof shell is sleeved on the periphery of the electric actuator main body, a top cover is arranged at the top of the outer frame shell, an exhaust cover is arranged at the top of the top cover, a sliding hole is formed in the top of the top cover in a penetrating manner, a guide rod is arranged inside the sliding hole, an exhaust plate is arranged at the bottom of the guide rod, a spring is sleeved on the outer wall of the guide rod, a first through hole is formed in the top of the exhaust plate in a penetrating manner, an exhaust hole is formed in the top of the top cover, a fan hole is formed in the side wall of the outer frame shell, and an exhaust fan is arranged inside the fan hole; this multi-functional explosion-proof electric actuator of compatible multiple communication mode can reach the decompression explosion-proof through setting up explosion-proof shell, guide arm, exhaust board, exhaust lid, exhaust hole, spring, fan hole, exhaust fan and dust screen, can rapid cooling's effect, and possesses compatible multiple communication mode, has increased its practicality.

Description

Multifunctional explosion-proof electric actuating mechanism compatible with multiple communication modes

Technical Field

The utility model relates to the technical field of electric actuating mechanisms, in particular to a multifunctional explosion-proof electric actuating mechanism compatible with various communication modes.

Background

In recent years, electric actuators have been developed rapidly and are widely used. An electric actuating mechanism is a common electromechanical integrated device (device) in the field of automatic control, and is an actuating device in three major components (detection equipment, adjusting equipment and actuating equipment) of an automatic instrument. The electric actuating mechanism can be divided into the following parts according to different standards: a combined structure, a mechatronic structure, an electric appliance control type, an electronic control type, an intelligent control type (with HART and FF protocols), a digital type, an analog type, a manual contact debugging type, an infrared remote control debugging type and the like; the electric actuator can be compatible with various communication modes, barrier-free transmission and exchange of data can be realized, networking is convenient, and the electric actuator is suitable for various working conditions.

The prior art has the following defects or problems:

1. the existing electric actuating mechanism compatible with various communication modes can generate large air pressure in the operation process, and when the air pressure reaches a certain degree, the possibility of explosion can be generated, so that safety accidents are caused, equipment is damaged, and life and property safety is threatened;

2. most of the existing electric actuating mechanisms compatible with various communication modes have poor heat dissipation effect, influence on the service life of the electric actuator and cause serious economic loss.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multifunctional explosion-proof electric actuating mechanism compatible with various communication modes aiming at the defects in the prior art so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: compatible multiple communication mode's multi-functional explosion-proof electric actuator, including the frame shell, the inside bottom of frame shell is provided with the electric actuator main part, the periphery of electric actuator main part is cup jointed and is provided with explosion-proof shell, the top of frame shell is provided with the top cap, the top of top cap is provided with the exhaust lid, the top of top cap is run through and is seted up the slide opening, the inside of slide opening is provided with the guide arm, the bottom of guide arm is provided with the exhaust board, the outer wall cover of guide arm is equipped with the spring, the top of exhaust board is run through and is seted up first through-hole, the bottom of exhaust board is provided with the pressure port, the second through-hole has been seted up to the bottom of top cap, the exhaust hole has been seted up at the top of top cap, fan hole's lateral wall is seted up to the frame shell, fan hole's inside is provided with the exhaust fan.

As a preferred technical scheme, a sealing ring is arranged between the top cover and the exhaust cover, and the sealing ring is an annular nitrile rubber sealing ring.

As a preferred technical scheme of the utility model, one side of the exhaust fan is provided with a dust screen which is fixedly connected with the inner wall of the outer frame shell through bolts.

As a preferable technical scheme of the utility model, the number of the guide rods and the number of the sliding holes are four, and the guide rods are movably connected with the sliding holes.

As a preferred technical scheme of the present invention, the number of the fan holes and the number of the exhaust fans are two, the two sets of the fan holes are formed on two side walls of the outer frame shell, and the exhaust fans are fixedly installed in inner cavities of the fan holes.

As a preferred technical scheme of the utility model, a plurality of groups of pressure holes are distributed at the bottom of the row pressing plate in an annular array, and the pressure holes are in a semicircular hole shape.

As a preferred technical scheme of the utility model, the number of the exhaust holes is multiple groups, and the exhaust holes are distributed on the top of the top cover in an annular array.

Compared with the prior art, the utility model provides the multifunctional explosion-proof electric actuating mechanism compatible with various communication modes, and the multifunctional explosion-proof electric actuating mechanism has the following beneficial effects:

1. the multifunctional explosion-proof electric actuating mechanism compatible with multiple communication modes is provided with an explosion-proof shell, a guide rod, a pressure discharge plate, an exhaust cover, an exhaust hole, a spring and a pressure hole, wherein the explosion-proof shell is sleeved on the periphery of the electric actuating mechanism, when the internal pressure of the explosion-proof shell is increased, air pressure can respectively act on the lower surfaces of the pressure discharge plate and the exhaust cover to generate upward thrust, so that the explosion-proof shell overcomes the elasticity of the spring to further compress the spring to move upwards, further drives the pressure discharge cover and a sealing ring to move upwards together, separates the sealing ring from the upper surface of a top cover, and accordingly forms the effect of pressure reduction and explosion prevention by exhausting the air pressure along the circumferential direction of the sealing ring through the exhaust hole; when the internal pressure is gradually reduced to a normal air pressure value, the upward thrust is reduced, the spring is gradually restored, the exhaust cover and the sealing ring are simultaneously reduced to the upper surface of the top cover for sealing, the pressure reduction and explosion prevention effects are achieved, and the damage to equipment and the threat to lives and properties can be avoided;

2. this multi-functional explosion-proof electric actuator of compatible multiple communication mode, through setting up the fan hole, exhaust fan and dust screen, can produce a large amount of heats at its operation in-process, the heat is carried the inner chamber of frame shell through explosion-proof shell, then through the start-up of installing the exhaust fan in the fan hole, discharge a large amount of heats in the inner chamber, carry out quick radiating treatment with the heat, move when two sets of exhaust fans of both sides wall, can increase the face of airing exhaust and can discharge the heat fast, thereby can not influence electric actuator's life because the radiating effect is not good, and the effect of dust screen can stop the dust when airing exhaust and get into inside, prevent that the dust from causing electric actuator's result of use.

Drawings

FIG. 1 is a schematic sectional front view of the present invention;

FIG. 2 is a schematic view of the arrangement of the platen and the guide bar of the present invention;

FIG. 3 is a schematic top view of the top cover of the present invention;

FIG. 4 is a side view of the exhaust fan of the present invention.

In the figure: 1. an outer frame shell; 2. an electric actuator body; 3. an explosion-proof shell; 4. a top cover; 5. an exhaust cover; 6. a seal ring; 7. a slide hole; 8. a guide bar; 9. arranging a pressing plate; 10. a spring; 11. a first through hole; 12. a pressure port; 13. a second through hole; 14. an exhaust hole; 15. a fan hole; 16. an exhaust fan; 17. a dust screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, in this embodiment: compatible multiple communication mode's multi-functional explosion-proof electric actuator, including outer frame shell 1, the inside bottom of outer frame shell 1 is provided with electric actuator main part 2, the periphery of electric actuator main part 2 cup joints and is provided with explosion-proof shell 3, the top of outer frame shell 1 is provided with top cap 4, the top of top cap 4 is provided with exhaust lid 5, slide opening 7 has been seted up in the top of top cap 4 is run through, the inside of slide opening 7 is provided with guide arm 8, the bottom of guide arm 8 is provided with row clamp plate 9, the outer wall cover of guide arm 8 is equipped with spring 10, row clamp plate 9's top is run through and has been seted up first through-hole 11, row clamp plate 9's bottom is provided with pressure hole 12, second through-hole 13 has been seted up to top cap 4's bottom, exhaust hole 14 has been seted up at top cap 4's top, fan hole 15 has been seted up to outer frame shell 1's lateral wall, the inside of fan hole 15 is provided with exhaust fan 16.

In the embodiment, a sealing ring 6 is arranged between the top cover 4 and the exhaust cover 5, and the sealing ring 6 is an annular nitrile rubber sealing ring, so that a good sealing effect is achieved; a dust screen 17 is arranged on one side of the exhaust fan 16, the dust screen 17 is fixedly connected to the inner wall of the outer frame shell 1 through bolts, so that external dust can be prevented from entering the interior of the outer frame shell through the exhaust fan 16, the dust can be filtered, and the influence on the use of the electric actuating mechanism main body 2 can be prevented; the number of the guide rods 8 and the number of the sliding holes 7 are four, the guide rods 8 are movably connected with the sliding holes 7, and the movable connection facilitates the upward jacking of the exhaust cover 5 when the pressure is too high; the number of the fan holes 15 and the number of the exhaust fans 16 are two, the two groups of fan holes 15 are formed in two side walls of the outer frame shell 1, and the exhaust fans 16 are fixedly arranged in inner cavities of the fan holes 15, so that the internal heat can be quickly radiated, explosion caused by overhigh heat is avoided, the service life of equipment is prevented from being damaged; the pressure holes 12 are distributed at the bottom of the exhaust plate 9 in a plurality of groups in an annular array, and the pressure holes 12 are semicircular, so that the stress area can be increased, and the exhaust effect is accelerated; the quantity of exhaust hole 14 has the multiunit, and exhaust hole 14 is the annular array and distributes in the top of top cap 4, discharges the decompression to the atmospheric pressure is too high, forms the explosion-proof effect of decompression.

The working principle and the using process of the utility model are as follows: when the pressure-reducing explosion-proof air-proof cover is used, when the internal pressure is increased, air pressure can respectively act on the lower surfaces of the exhaust pressure plate 9 and the exhaust cover 5 to generate upward thrust, so that the exhaust pressure plate overcomes the elasticity of the spring 10 to further compress the spring 10 to move upwards, the exhaust cover 5 and the sealing ring 6 are further driven to move upwards together, the sealing ring 6 is separated from the upper surface of the top cover 4, and therefore air pressure is exhausted along the circumferential direction of the sealing ring 6 through the exhaust hole 14, and the effect of reducing pressure and preventing explosion is achieved; when the internal pressure is gradually reduced to a normal air pressure value, the upward thrust is reduced, the spring 10 is gradually restored, the exhaust cover 5 and the sealing ring 6 are simultaneously reduced to the upper surface of the top cover 4 for sealing, the effects of pressure reduction and explosion prevention are achieved, and the damage to equipment and the threat to lives and properties can be avoided; and can produce a large amount of heats at its operation in-process, the heat passes through explosion-proof shell 3 and carries the inner chamber of frame shell 1, then through the start-up of installing exhaust fan 16 at fan hole 15, discharge a large amount of heats in the inner chamber, carry out quick radiating treatment with the heat, the operation when two sets of exhaust fan 16 of both sides wall, can increase the face of airing exhaust and can discharge the heat fast, thereby can not influence the life of electric actuator main part 2 because the radiating effect is not good, and the effect of dust screen 17 can stop the dust when airing exhaust and get into inside, prevent that the dust from causing the result of use of electric actuator main part 2.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Compatible multiple communication mode's multi-functional explosion-proof electric actuator, its characterized in that: comprises an outer frame shell (1), wherein an electric actuator main body (2) is arranged at the bottom inside the outer frame shell (1), an explosion-proof shell (3) is sleeved on the periphery of the electric actuator main body (2), a top cover (4) is arranged at the top of the outer frame shell (1), an exhaust cover (5) is arranged at the top of the top cover (4), a sliding hole (7) is formed in the top of the top cover (4) in a penetrating manner, a guide rod (8) is arranged inside the sliding hole (7), an exhaust plate (9) is arranged at the bottom of the guide rod (8), a spring (10) is sleeved on the outer wall of the guide rod (8), a first through hole (11) is formed in the top of the exhaust plate (9) in a penetrating manner, a pressure hole (12) is formed in the bottom of the exhaust plate (9), a second through hole (13) is formed in the bottom of the top cover (4), an exhaust hole (14) is formed in the top of the top cover (4), the side wall of the outer frame shell (1) is provided with a fan hole (15), and an exhaust fan (16) is arranged in the fan hole (15).

2. The multifunctional explosion-proof electric actuator compatible with multiple communication modes according to claim 1, is characterized in that: a sealing ring (6) is arranged between the top cover (4) and the exhaust cover (5), and the sealing ring (6) is an annular nitrile rubber sealing ring.

3. The multifunctional explosion-proof electric actuator compatible with multiple communication modes according to claim 1, is characterized in that: one side of the exhaust fan (16) is provided with a dust screen (17), and the dust screen (17) is fixedly connected to the inner wall of the outer frame shell (1) through bolts.

4. The multifunctional explosion-proof electric actuator compatible with multiple communication modes according to claim 1, is characterized in that: the number of the guide rods (8) and the number of the sliding holes (7) are four, and the guide rods (8) are movably connected with the sliding holes (7).

5. The multifunctional explosion-proof electric actuator compatible with multiple communication modes according to claim 1, is characterized in that: the fan holes (15) and the exhaust fans (16) are two in number, the two sets of fan holes (15) are formed in two side walls of the outer frame shell (1), and the exhaust fans (16) are fixedly installed in inner cavities of the fan holes (15).

6. The multifunctional explosion-proof electric actuator compatible with multiple communication modes according to claim 1, is characterized in that: the number of the pressure holes (12) is provided with a plurality of groups which are distributed at the bottom of the pressure discharge plate (9) in an annular array, and the pressure holes (12) are in a semicircular hole shape.

7. The multifunctional explosion-proof electric actuator compatible with multiple communication modes according to claim 1, is characterized in that: the number of the exhaust holes (14) is multiple, and the exhaust holes (14) are distributed on the top of the top cover (4) in an annular array.