CN216017375U

CN216017375U - Protection device for actuator

Info

Publication number: CN216017375U
Application number: CN202121978107.5U
Authority: CN
Inventors: 朱猛; 于建龙
Original assignee: Wuxi Shengernuo Electromechanical Co ltd
Current assignee: Wuxi Shengernuo Electromechanical Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-03-11
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses an actuator protection device, belonging to the field of actuator protection, and comprising an emergency control box, wherein a push rod is inserted at the outer end of the emergency control box, an L-shaped groove is formed at the outer end of the push rod, a rotating rod is rotatably connected between the inner walls of the L-shaped groove, an extrusion block is fixedly connected at the outer end of the rotating rod, a sliding rod is slidably connected between the inner walls of the L-shaped groove, the sliding rod is positioned at the left side of the rotating rod, two symmetrical first magnet blocks are embedded in the sliding rod, an extension spring is fixedly connected between the sliding rod and the L-shaped groove, two symmetrical through holes are formed at the outer end of the L-shaped groove, the two through holes are communicated with the L-shaped groove, a telescopic block is slidably connected between the inner walls of the two through holes, and a second telescopic block is embedded in the inner wall of the telescopic block, so that the actuator can be quickly emergencies stopped, and the process of pressing an emergency stop button does not need much manpower, the time of the operator is saved, and the working efficiency is improved.

Description

Protection device for actuator

Technical Field

The utility model relates to the field of actuator protection, in particular to an actuator protection device.

Background

The actuator is an essential important component in an automatic control system, and has the functions of receiving a control signal sent by a controller and changing the size of a controlled medium so as to maintain a controlled variable at a required value or within a certain range, the actuator can be divided into three categories of pneumatic, hydraulic and electric according to the energy form, the pneumatic actuator uses compressed air as energy, and the actuator is characterized by simple structure, reliable and stable action, large output thrust, convenient maintenance, fire and explosion prevention and low price, so the actuator can be widely applied to the production processes of chemical industry, paper making, oil refining and the like, can be conveniently matched with a passive instrument for use, and can be conveniently matched with the passive instrument for use even if the electric instrument or a computer is used for control, only the electric signal is converted into a standard air pressure signal of 20-100kPa by an electric-air valve positioner, a pneumatic actuator may still be used and,

a utility model with the patent number of CN201920325482.6 introduces a protection device for a valve actuator, which comprises a box body, wherein the top of the box body is provided with an operating hand wheel, one side of the box body is provided with an external circuit connector, the other side of the box body is fixedly connected with an emergency control box, one side of an inner cavity of the box body is fixedly connected with a protection box, the other side of the inner cavity of the box body is fixedly connected with a valve actuator, the front side of the box body is fixedly connected with a controller, the bottom of the box body is fixedly connected with a water pipe connector, one side of the emergency control box is connected with a box door through a hinge, and an emergency stop button is fixedly connected inside the emergency control box; through being equipped with emergency stop button, can appear emergency when using and need use when stopping the valve actuator, the quick urgent valve actuator that stops of ability protects the safety of whole use, has improved the speed of emergency stop, has strengthened the availability factor, has brought the facility for the user.

Above-mentioned utility model, in the use of reality, when taking place emergency, need quick stop to the executor, can be pressing the in-process of emergency stop button, need carry out the pressing that lasts to emergency stop button, wasted a large amount of time of operator, lead to work efficiency to reduce.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a protection device for an actuator, which can realize the rapid emergency stop of the actuator when an emergency occurs, so that the process of pressing an emergency stop button does not need too much manpower, the time of an operator is saved, and the working efficiency is improved.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A protection device for an actuator comprises an emergency control box, wherein a push rod is inserted into the outer end of the emergency control box, an L-shaped groove is formed in the outer end of the push rod in a chiseled mode, a rotating rod is rotatably connected between the inner walls of the L-shaped groove, an extrusion block is fixedly connected to the outer end of the rotating rod, a slide rod is slidably connected between the inner walls of the L-shaped groove and is positioned on the left side of the rotating rod, two symmetrical first magnet blocks are embedded in the slide rod, a tension spring is fixedly connected between the slide rod and the L-shaped groove, two symmetrical through holes are formed in the outer end of the L-shaped groove in a chiseled mode, the two through holes are communicated with the L-shaped groove, a telescopic block is slidably connected between the inner walls of the two through holes, a second magnet block is embedded in the telescopic block, an emergency stop button is fixedly connected between the inner walls of the emergency control box and is positioned on the left side of the push rod, the actuator can be quickly and emergently stopped when an emergency happens, so that too much manpower is not needed in the process of pressing the emergency stop button, the time of an operator is saved, and the working efficiency is improved.

Further, the through-hole inner wall is excavated there are two symmetrical spherical grooves, the spherical inslot internal rotation is connected with the ball, the ball contacts with the push rod, through setting up spherical groove and ball, can make the push rod more smooth at gliding in-process, improves work efficiency.

Further, dwang outer end fixedly connected with turning handle, turning handle outer pot head is equipped with the protective sheath, through setting up the turning handle, can make the dwang more convenient at the pivoted in-process, through setting up the protective sheath, can make the dwang at the pivoted process, prevent that external reason from resulting in the turning handle to damage.

Further, slide bar outer end fixedly connected with protection pad, protection pad outer end is equipped with a plurality of evenly distributed's friction granule, through setting up protection pad and friction granule, can make the dwang drive the extrusion piece when rotating, increases the frictional force between extrusion piece and the slide bar for the extrusion piece is more firm promotes the slide bar, improves work efficiency.

Further, push rod outer end fixedly connected with handle, the handle outer end is equipped with anti-skidding line, through setting up the handle, can make the push rod when pulling out, lets more convenient of push rod pulling with the help of the handle, through setting up anti-skidding line, can make the push rod be difficult for the landing or cause the hand injury at the pull-out in-process, improves work efficiency.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) according to the scheme, the actuator can be quickly and emergently stopped when an emergency happens, so that too much manpower is not needed in the process of pressing the emergency stop button, the time of an operator is saved, and the working efficiency is improved.

(2) The through-hole inner wall is excavated there are two symmetrical spherical grooves, and the spherical inslot internal rotation is connected with the ball, and the ball contacts with the push rod, through setting up spherical groove and ball, can make the push rod more smooth at gliding in-process, improves work efficiency.

(3) Dwang outer end fixedly connected with turning handle, turning handle outer end cover are equipped with the protective sheath, through setting up the turning handle, can make the dwang more convenient at the pivoted in-process, through setting up the protective sheath, can make the dwang at the pivoted process, prevent that external reason from leading to the turning handle to damage.

(4) Slide bar outer end fixedly connected with protection pad, protection pad outer end is equipped with a plurality of evenly distributed's friction granule, through setting up protection pad and friction granule, can make the dwang drive the extrusion piece when rotating, increases the frictional force between extrusion piece and the slide bar for the extrusion piece is more firm promotes the slide bar, improves work efficiency.

(5) The outer end of the push rod is fixedly connected with the handle, the outer end of the handle is provided with anti-skidding lines, the push rod can be pulled out conveniently by means of the handle when being arranged, the anti-skidding lines enable the push rod to be difficult to slip or enable hands to be injured in the pulling-out process, and work efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of an emergency control box according to the present invention;

FIG. 2 is a schematic structural view of the push rod of the present invention when the emergency button is not pressed;

FIG. 3 is a schematic view of the interior of the putter of the present invention;

fig. 4 is a schematic structural diagram of the push rod pressing the emergency button according to the present invention.

The reference numbers in the figures illustrate:

1 emergency control box, 101 balls, 2 push rods, 201 handles, 3L-shaped grooves, 301 elastic rubber blocks, 4 rotating rods, 401 rotating handles, 5 extrusion blocks, 6 sliding rods, 601 protection pads, 7 first magnet blocks, 8 extension springs, 9 through holes, 10 telescopic blocks, 11 second magnet blocks and 12 emergency stop buttons.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-4, a protection device for actuator, comprising an emergency control box 1, a push rod 2 is inserted into the outer end of the emergency control box 1, an L-shaped slot 3 is opened at the outer end of the push rod 2, a rotating rod 4 is rotatably connected between the inner walls of the L-shaped slot 3, an extrusion block 5 is fixedly connected to the outer end of the rotating rod 4, a sliding rod 6 is slidably connected between the inner walls of the L-shaped slot 3, the sliding rod 6 is located at the left side of the rotating rod 4, two symmetrical first magnet blocks 7 are embedded in the sliding rod 6, a tension spring 8 is fixedly connected between the sliding rod 6 and the L-shaped slot 3, two symmetrical through holes 9 are opened at the outer end of the L-shaped slot 3, the two through holes 9 are communicated with the L-shaped slot 3, a telescopic block 10 is slidably connected between the inner walls of the two through holes 9, a second magnet block 11 is embedded in the telescopic block 10, an emergency stop button 12 is fixedly connected between the inner walls of the emergency control box 1, the emergency stop button 12 is located at the left side of the push rod 2, the actuator can be quickly and emergently stopped when an emergency happens, so that too much manpower is not needed in the process of pressing the emergency stop button, the time of an operator is saved, and the working efficiency is improved.

Please refer to fig. 1 and 2, the inner wall of the through hole 2 is drilled with two symmetrical spherical grooves, the spherical groove is rotatably connected with the ball 101, the ball 101 contacts with the push rod 2, through setting the spherical grooves and the ball 101, the push rod 2 can be more smoothly in the sliding process, the work efficiency is improved, the outer end of the rotating rod 4 is fixedly connected with a rotating handle 401, the outer end of the rotating handle 401 is sleeved with a protective sleeve, through setting the rotating handle 401, the rotating rod 4 can be more convenient and fast in the rotating process, through setting the protective sleeve, the rotating rod 4 can be in the rotating process, and the damage of the rotating handle caused by external reasons is prevented.

Please refer to fig. 1 and 4, the outer end of the sliding rod 6 is fixedly connected with a protection pad 601, the outer end of the protection pad 601 is provided with a plurality of evenly distributed friction particles, by setting the protection pad 601 and the friction particles, the rotating rod 4 can drive the extrusion block 5 to rotate, the friction force between the extrusion block 5 and the sliding rod 6 is increased, the extrusion block 5 can push the sliding rod 6 more stably, the work efficiency is improved, the outer end of the push rod 2 is fixedly connected with a handle 201, the outer end of the handle 201 is provided with anti-slip patterns, by setting the handle 201, the push rod 2 can be pulled out, the push rod 2 can be pulled more conveniently by means of the handle 201, by setting the anti-slip patterns, the push rod 2 can be pulled out without slipping or causing hand injury, and the work efficiency is improved.

In the present invention, when the related art person uses the apparatus, when the actuator needs to be stopped urgently, the related art person twists the rotating lever 4 to rotate the rotating lever 4 and press the pressing block 5 against the slide bar 6, the slide bar 6 moves forward to the limit position after being pressed, when the slide bar 6 reaches the position, the telescopic block 10 is retracted from the through hole 9 into the through hole 9 and contacts with the slide bar 6 due to the mutual attraction between the first magnet block 7 and the second magnet block 11, the push rod 2 is pushed to move forward, the push rod 2 presses the emergency stop button 14 during the movement, the rotating lever 4 is twisted again while pressing to return the slide bar 6 to the initial position by the restoring action of the tension spring 8, the first magnet block 7 is out of the attraction range with the second magnet block 11 while the slide bar 6 returns to the initial position, compared with the prior art, the emergency stop device can realize rapid emergency stop of the actuator in case of emergency, so that too much manpower is not needed in the process of pressing the emergency stop button, the time of an operator is saved, and the working efficiency is improved.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. A protection device for an actuator, comprising an emergency control box (1), characterized in that: the emergency control box is characterized in that a push rod (2) is inserted into the outer end of the emergency control box (1), an L-shaped groove (3) is formed in the outer end of the push rod (2), a rotating rod (4) is connected between the inner walls of the L-shaped groove (3) in a rotating mode, an extrusion block (5) is fixedly connected to the outer end of the rotating rod (4), a sliding rod (6) is connected between the inner walls of the L-shaped groove (3) in a sliding mode, the sliding rod (6) is located on the left side of the rotating rod (4), two symmetrical first magnet blocks (7) are embedded in the sliding rod (6), a stretching spring (8) is fixedly connected between the sliding rod (6) and the L-shaped groove (3), two symmetrical through holes (9) are formed in the outer end of the L-shaped groove (3) in a drilling mode, the through holes (9) are communicated with the L-shaped groove (3), a telescopic block (10) is connected between the inner walls of the through holes (9) in a sliding mode, and a second magnet block (11) is embedded in the telescopic block (10), the emergency stop button (12) is fixedly connected between the inner walls of the emergency control box (1), and the emergency stop button (12) is located on the left side of the push rod (2).

2. A protection device for an actuator according to claim 1, wherein: two symmetrical spherical grooves are formed in the inner wall of the through hole (9), a ball (101) is connected in the spherical grooves in a rotating mode, and the ball (101) is in contact with the push rod (2).

3. A protection device for an actuator according to claim 1, wherein: dwang (4) outer end fixedly connected with turning handle (401), turning handle (401) outer end cover is equipped with the protective sheath.

4. A protection device for an actuator according to claim 1, wherein: the outer end of the sliding rod (6) is fixedly connected with a protection pad (601), and a plurality of uniformly distributed friction particles are arranged at the outer end of the protection pad (601).

5. A protection device for an actuator according to claim 1, wherein: the outer end of the push rod (2) is fixedly connected with a handle (201), and anti-skidding lines are arranged at the outer end of the handle (201).