Safe and reliable protection structure of electric actuator

Abstract

The utility model relates to the field of electric actuator devices, in particular to a safe and reliable protective structure of an electric actuator, which comprises a protective shell, the protective shell comprises a protective cover and a base, a motor cavity is arranged in the protective cover, a protective plate is arranged at one end of the protective cover, an output end is arranged on the protective plate, and an opening is arranged at the other end of the protective cover. The base is installed at the bottom of the protective cover in a sliding mode, the fixing base is installed on the base in a sliding mode, the electric actuator is installed on the fixing base of the base, then the protective cover and the base are assembled, the two ends of the protective cover are sealed through the protective plate and the baffle, and the safety protection effect on the electric actuator is achieved. The electric actuator is usually provided with a display screen and operation keys for control, the operation opening is formed in the protective cover so that the electric actuator can be conveniently controlled, after control is completed, the protective plate can slide, the protective cover is attached to the limiting frame, magnets are used for attraction, and therefore the operation opening is sealed.

Description

Technical Field

[0001] The utility model relates to the field of electric actuator devices, in particular to a safe and reliable protective structure for an electric actuator. Background Art

[0002] An electric actuator is an electric actuator mechanism, which is a driving device that can provide linear or rotary motion. It uses a certain driving energy source and works under a certain control signal. It is currently mainly used in switch valves to drive the valve to the fully open or fully closed position. It can also be called an electric valve. When in use, the drive sleeve at the bottom of the electric actuator is fixedly installed with the valve stem on the valve to drive the valve stem to rotate. The electric control component is an important part of the electric actuator. It adopts an integrated overall design with the electric actuator. Its function is to send control signals to the electric actuator and control the operation of the electric actuator. The electric control component is installed with a precise circuit structure, using a high-integration, low-power single-chip microcomputer and analog circuit hybrid control board. The external metal shell is equipped with a liquid crystal display, mode buttons and operation buttons.

[0003] However, in actual use, due to harsh working environment, improper operation and other reasons, electric actuators are easily damaged, affecting their normal operation. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a safe and reliable protective structure for an electric actuator.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: the utility model provides a safe and reliable protective structure of an electric actuator, including a protective shell, the protective shell including a shield and a base, a motor cavity is provided inside the shield, a shield is provided at one end, an output port is provided on the shield, an opening is provided at the other end of the shield, the base is slidably mounted on the bottom of the shield, a fixed seat is slidably mounted on the base, the fixed seat is used to fix the electrical actuator, the electrical actuator includes a drive motor and a reduction motor, the output end of the drive motor is adapted to the input end of the reducer, the output port is adapted to the output end of the reducer, a baffle is provided at one end of the base, the baffle is adapted to the opening.

[0008] Preferably, an operating port is provided on a side of the shield, and a protective plate is slidably mounted on the operating port.

[0009] Further preferably, a limit frame is provided on one side of the operating port, and adjustment grooves are provided at the upper and lower ends of the operating port. The protective plate is slidably installed in the adjustment groove through a rod, and the fitting ends of the protective plate and the limit frame are adsorbed by magnets.

[0010] Again preferably, a slide groove is provided at the bottom of the shield, and both sides of the base are slidably connected to the slide groove through slide rods, a sealing groove is provided at the open end of the shield, the baffle is adapted to the sealing groove through a sealing rod, a fixing hole is provided at the top of the sealing rod, and the top of the shield is adapted to the fixing hole through a fixing bolt.

[0011] Preferably, the top of the shield is an arc-shaped structure.

[0012] Further preferably, the shield is provided with a plurality of heat dissipation holes, and dustproof nets are installed on the heat dissipation holes.

[0013] Again preferably, the frame of the dustproof net is installed in the heat dissipation hole through a threaded structure, and a groove is provided on the frame of the dustproof net.

[0014] Preferably, two fixing seats are slidably installed on the base, a sliding groove is provided on the top of the base, the base is slidably connected to the sliding groove through a sliding rod, a plurality of mounting holes are provided on the base, a limiting rod is provided at one end of the base, the limiting rod passes through the base through a threaded structure, and the bottom of the limiting rod is fitted with the sliding groove through a toothed structure.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a safe and reliable protection structure for electric actuators, which has the following beneficial effects:

[0017] The utility model electric actuator is installed on the fixing seat of the base, and then the protective cover is assembled with the base, and the two ends of the protective cover are sealed by the protective plate and the baffle, so as to play the role of safety protection for the electrical actuator. The electric actuator is usually provided with a display screen and operation buttons for operation, and the operation port is conveniently operated by arranging the operation port on the protective cover. When the operation is completed, the protective plate can be slid to fit it with the limit frame, and the operation port is sealed by adsorption by magnets. The protective cover is provided with heat dissipation holes with dustproof nets that are easy to disassemble, which can achieve the purpose of heat dissipation of the electrical actuator and play a role of dustproof, so that according to the above structure, the protection of the electrical actuator by the device is safer and more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the external structure of the utility model;

[0019] Figure 2 This is a side view of the structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the disassembly structure of the base and the shield of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the electric actuator installed on the base of the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the dustproof net of the utility model;

[0023] In the figure: 1. base; 2. shield; 3. baffle; 4. protective plate; 5. limit frame; 6. fixing bolt; 7. operation port; 8. adjustment slot; 9. output end; 10. guard plate; 11. slide rod; 12. sealing slot; 13. sealing rod; 14. fixing seat; 15. limit rod; 16. reducer; 17. sliding slot; 18. drive motor; 19. heat dissipation hole; 20. dust net. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5 The utility model discloses a safe and reliable protective structure of an electric actuator, comprising a protective shell, the protective shell comprising a shield 2 and a base 1, a motor cavity is arranged inside the shield 2, a shield 10 is arranged at one end of the shield 2, an output port 9 is arranged on the shield 10, an opening is arranged at the other end of the shield 2, the base 1 is slidably mounted on the bottom of the shield 2, a fixing seat 14 is slidably mounted on the base 1, the fixing seat 14 is used for fixing and mounting an electrical actuator, the electrical actuator comprises a driving motor 18 and a reduction motor, the output end of the driving motor 18 is matched with the input end of the reduction gear 16, the output port 9 is matched with the output end of the reduction gear 16, a baffle 3 is arranged at one end of the base 1, and the baffle 3 is matched with the opening.

[0026] The electric actuator is usually provided with a display screen and operation buttons for control, so the protective cover 2 needs to have a window for convenient start-up operation. The preferred scheme in the utility model is that an operation port 7 is provided on the side of the protective cover 2, and a protective plate 4 is slidably installed on the operation port 7. A limit frame 5 is provided on one side of the operation port 7, and adjustment grooves 8 are provided at the upper and lower ends of the operation port 7. The protective plate 4 is slidably installed in the adjustment groove 8 through a rod, and the fitting ends of the protective plate 4 and the limit frame 5 are adsorbed by magnets. According to the above structure, the reducer 16 and the drive motor 18 are controlled by setting the operation port 7 on the protective cover 2. When the operation is completed, the protective plate 4 can be slid to fit it with the limit frame 5 and adsorbed by magnets to seal the operation port 7. The above-mentioned adjustment groove 8 and the rod can adopt a T-shaped structure.

[0027] In order to facilitate the disassembly and assembly of the shield 2 and the base 1, the preferred scheme in the utility model is that a slide groove is provided at the bottom of the shield 2, and the two sides of the base 1 are slidably connected to the slide groove through a slide rod 11, and a sealing groove 12 is provided at the open end of the shield 2, and the baffle 3 is adapted to the sealing groove 12 through a sealing rod 13, and a fixing hole is provided at the top of the sealing rod 13. The top of the shield 2 is adapted to the fixing hole through a fixing bolt 6, and the top of the shield 2 is an arc-shaped structure. According to the above structure, when the base 1 is assembled with the shield 2, the sealing rod 13 is spliced ​​with the sealing groove 12, and then the fixing bolt 6 is used to connect the fixing hole to realize the fixed installation of the base 1 and the shield 2. Setting the top of the shield 2 as an arc-shaped structure reduces the space occupied by the shield 2 when in use to a certain extent.

[0028] The protective shell also needs to have a heat dissipation structure when protecting the electrical actuator. If the temperature of the electrical actuator is too high, it will also affect its service life. The preferred solution in the utility model is that a plurality of heat dissipation holes 19 are provided on the protective cover 2, and a dustproof net 20 is installed on the heat dissipation hole 19. The frame of the dustproof net 20 is installed in the heat dissipation hole 19 through a threaded structure, and a groove is provided on the frame of the dustproof net 20. According to the above structure, the heat dissipation holes 19 are used to dissipate the heat of the electrical actuator inside the protective shell, and the dustproof net 20 plays a dust-proof role. The dustproof net 20 can be disassembled and cleaned by using the groove as a force application point.

[0029] When adjusting the position between the two fixed seats 14 according to the size of the driving motor 18 and the reducer 16, the preferred scheme in the utility model is that two fixed seats 14 are slidably installed on the base 1, and a sliding groove 17 is provided on the top of the base 1. The base 1 is slidably connected to the sliding groove 17 through a sliding rod. A plurality of mounting holes are provided on the base 1, and a limiting rod 15 is provided at one end of the base 1. The limiting rod 15 penetrates the base 1 through a threaded structure, and the bottom of the limiting rod 15 is fitted with the sliding groove 17 through a toothed structure. According to the above structure, the fixed seat 14 is slidably installed on the base 1 by utilizing the connection between the sliding rod and the sliding groove 17, and the limiting rod 15 is utilized to limit the fixed seat 14 after displacement.

[0030] The safe and reliable protective structure of the electric actuator is to install the electric actuator on the fixing seat 14 of the base 1, and then assemble the protective cover 2 with the base 1, and use the protective plate 10 and the baffle 3 to seal the two ends of the protective cover 2, so as to play a role in the safety protection of the electrical actuator. The output end of the reducer 16 in the electrical actuator extends out of the output end and is rotatably connected to the output end. The electric actuator is usually provided with a display screen and operation buttons for control. The operation port 7 is provided on the protective cover 2 to facilitate its control. When the control is completed, the protective plate 104 can be slid to fit it with the limit frame 5, and the operation port 7 is sealed by magnet adsorption. The heat dissipation holes 19 are used to dissipate the heat of the electrical actuator inside the protective shell, and the dustproof net 20 plays a dustproof role. The dustproof net 20 can be disassembled and cleaned by using the groove as a force application point. According to the above two points, the device is more reliable during use.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safe and reliable protection structure for an electric actuator, characterized in that: The protective shell comprises a protective cover (2) and a base (1); a motor cavity is provided inside the protective cover (2); a protective plate (10) is provided at one end of the protective cover (2); an output port (9) is provided on the protective plate (10); an opening is provided at the other end of the protective cover (2); the base (1) is slidably mounted on the bottom of the protective cover (2); a fixing seat (14) is slidably mounted on the base (1); the fixing seat (14) is used for fixing and mounting an electrical actuator; the electrical actuator comprises a driving motor (18) and a reduction motor; the output end of the driving motor (18) is matched with the input end of a reduction gear (16); the output port (9) is matched with the output end of the reduction gear (16); a baffle (3) is provided at one end of the base (1); the baffle (3) is matched with the opening.

2. A safe and reliable protection structure for electric actuator according to claim 1, characterized in that: An operating port (7) is provided on the side of the protective cover (2), and a protective plate (4) is slidably mounted on the operating port (7).

3. A safe and reliable protection structure for electric actuator according to claim 2, characterized in that: A limiting frame (5) is provided on one side of the operating port (7), and adjustment grooves (8) are provided at the upper and lower ends of the operating port (7). The protective plate (4) is slidably installed in the adjustment groove (8) through a rod, and the fitting ends of the protective plate (4) and the limiting frame (5) are adsorbed by magnets.

4. A safe and reliable protection structure for electric actuator according to claim 3, characterized in that: The bottom of the shield (2) is provided with a slide groove, and the two sides of the base (1) are slidably connected to the slide groove through a slide rod (11). The open end of the shield (2) is provided with a sealing groove (12), and the baffle (3) is matched with the sealing groove (12) through a sealing rod (13). The top of the sealing rod (13) is provided with a fixing hole, and the top of the shield (2) is matched with the fixing hole through a fixing bolt (6).

5. A safe and reliable protection structure for electric actuator according to claim 4, characterized in that: The top of the protective cover (2) is an arc-shaped structure.

6. A safe and reliable protection structure for electric actuator according to claim 5, characterized in that: The protective cover (2) is provided with a plurality of heat dissipation holes (19), and a dustproof net (20) is installed on the heat dissipation holes (19).

7. A safe and reliable protection structure for electric actuator according to claim 6, characterized in that: The frame of the dustproof net (20) is installed in the heat dissipation hole (19) through a threaded structure, and a groove is provided on the frame of the dustproof net (20).

8. A safe and reliable protection structure for electric actuator according to claim 7, characterized in that: Two fixing seats (14) are slidably mounted on the base (1); a sliding groove (17) is provided on the top of the base (1); the base (1) is slidably connected to the sliding groove (17) via a sliding rod; a plurality of mounting holes are provided on the base (1); a limiting rod (15) is provided at one end of the base (1); the limiting rod (15) penetrates the base (1) via a threaded structure, and the bottom of the limiting rod (15) is fitted with the sliding groove (17) via a toothed structure.

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