Noise reduction type electric actuator

Abstract

The utility model discloses a noise reduction type electric actuator which comprises a base, a first actuator sound insulation shell is fixedly connected to the top of the base, and a second actuator sound insulation shell is connected to the top of the first actuator sound insulation shell in an inserted mode. A plurality of clamping blocks are arranged on the inner wall of an opening in the top of the second sound insulation shell of the actuator in an annular array mode, the clamping blocks are connected with the same top cover in a clamped mode, and a plurality of clamping grooves are formed in the bottom of the top cover in an annular array mode. The top cover, the first actuator sound insulation shell and the second actuator sound insulation shell are all designed to be of an easy-to-disassemble structure, so that disassembly and maintenance can be better conducted, wires can penetrate through the through grooves, the rectangular holes and the through pipes to be connected with a circuit board and an electronic device, the clamping pipes can clamp the connecting wires to prevent the connected wires from moving, and the connecting effect is good. The actuator first sound insulation shell and the actuator second sound insulation shell are made of sound insulation materials, and the better sound insulation and noise reduction effects are achieved.

Description

Technical Field

[0001] The utility model relates to the field of actuators, in particular to a noise reduction type electric actuator. Background Art

[0002] The actuator is an indispensable and important component of the automatic control system. Its function is to receive the control signal sent by the controller and change the size of the controlled medium, so as to maintain the controlled variable at the required value or within a certain range. The actuator can be divided into three categories according to its energy form: pneumatic, hydraulic, and electric. Pneumatic actuators use compressed air as energy. They are characterized by simple structure, reliable and stable operation, large output thrust, easy maintenance, fire and explosion prevention, and low price. Therefore, they are widely used in chemical, papermaking, oil refining and other production processes. They can be easily used in conjunction with passive instruments.

[0003] The utility model with the authorization announcement number: CN218631377U discloses an intelligent noise reduction electric actuator, which relates to the technical field of electric actuator equipment. The utility model includes a main body mechanism, including an electric actuator body and a noise reduction box arranged on the lower surface of the electric actuator body; a cooling mechanism, including a heat exchange water pipe arranged inside the noise reduction box; a noise reduction mechanism, including a sound insulation component arranged inside the noise reduction box, the sound insulation component includes a sound insulation board and a mounting plate, a square notch is provided on one side surface of the noise reduction box, and a side surface of the sound insulation board passes through the square notch and slides with the square notch. The utility model is an intelligent noise reduction electric actuator, which detects the noise decibels generated by the electric actuator body through a noise detector, wherein when the noise decibels are too large, the operator installs a sound insulation board into the noise reduction box, wherein there are three sound insulation boards, and then installs a suitable number of sound insulation boards according to the specific value of the noise detector, thereby realizing intelligent noise reduction.

[0004] The above utility model patent adopts an integrated shell design, which has good density and sealing, but it will increase the difficulty of repairing the internal electronic components of the actuator and is not conducive to maintenance personnel to perform maintenance work. Therefore, technical personnel in this field provide a noise reduction electric actuator to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to provide a noise reduction electric actuator to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a noise reduction electric actuator, comprising a base, a first soundproof shell of the actuator is fixedly connected to the top of the base, a second soundproof shell of the actuator is plugged into the top of the first soundproof shell of the actuator, a plurality of card blocks are arranged in a circular array on the inner wall of the top opening of the second soundproof shell of the actuator, a plurality of the card blocks are connected to the same top cover, a plurality of card slots are arranged in a circular array on the bottom of the top cover, and the card slots are connected to the card blocks, an electronic device is arranged on the top of the base, and a plurality of mounting holes are arranged in a rectangular array on the bottom inner wall of the second soundproof shell of the actuator.

[0007] As a further solution of the utility model: a plurality of clamping tubes are arranged in an annular array on the outer wall of the second soundproof shell of the actuator, and a plurality of rectangular holes are arranged in an annular array on the top of the top cover.

[0008] As a further solution of the utility model: a through pipe is provided on the bottom inner wall of the second soundproof shell of the actuator, and a plurality of through grooves are provided in an annular array on the top of the base.

[0009] As a further solution of the utility model: a reserved installation groove is opened on the top of the base, and the electronic device is fixedly installed in the reserved installation groove.

[0010] As a further solution of the utility model: a sealing ring is sleeved on the outer wall of the first soundproof shell of the actuator, and the outer wall of the sealing ring is in contact with the inner wall of the second soundproof shell of the actuator.

[0011] As a further solution of the utility model: cross holes are opened on the outer walls of the first soundproof shell of the actuator, the second soundproof shell of the actuator, and the sealing ring, and the same cross rod is inserted through the multiple cross holes.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The rectangular hole can be pulled out from the top opening of the second soundproof shell of the actuator. The top cover is installed on the second soundproof shell of the actuator after being clamped with multiple card slots and multiple card blocks. Screws can be inserted into the multiple mounting holes to install the circuit board. Thinner wires can pass through the multiple through slots and then enter the rectangular holes to connect with the circuit board after being clamped with the card tubes. The through tubes located below the circuit board can also pass the wires to connect with the electronic devices. A sealing ring is set at the connection between the second soundproof shell of the actuator and the first soundproof shell of the actuator for sealing. The sealing ring, the second soundproof shell of the actuator, and the first soundproof shell of the actuator are all provided with cross holes. A cross rod can be inserted into the cross hole to fix and assemble the first soundproof shell of the actuator and the second soundproof shell of the actuator. A reserved mounting groove is set on the top of the base to reserve an installation position for electronic devices.

[0014] The utility model is simple to use, and the top cover, the first soundproof shell of the actuator, and the second soundproof shell of the actuator all adopt an easily disassembled structure design, which can be better disassembled and repaired. Wires can be passed through the through grooves, rectangular holes, and through tubes to connect with circuit boards and electronic devices. The clamping tubes can clamp the connected wires to prevent the connected wires from moving. The first soundproof shell of the actuator and the second soundproof shell of the actuator are made of soundproof materials and have better sound insulation and noise reduction effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0016] Figure 2 It is a first explosion three-dimensional schematic diagram of the utility model;

[0017] Figure 3 It is a three-dimensional schematic diagram of the top cover of the utility model;

[0018] Figure 4 It is a three-dimensional schematic diagram of the first sound insulation tube of the utility model;

[0019] Figure 5 This is a second explosion three-dimensional schematic diagram of the utility model.

[0020] In the figure: 1. base; 2. through groove; 3. first sound insulation shell of actuator; 4. second sound insulation shell of actuator; 5. clamping tube; 6. top cover; 7. rectangular hole; 8. clamping block; 9. mounting hole; 10. through pipe; 11. cross rod; 12. sealing ring; 13. electronic device; 14. reserved mounting groove; 15. clamping slot; 16. cross hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 5In an embodiment of the utility model, a noise reduction electric actuator comprises a base 1, a first soundproof shell 3 of the actuator is fixedly connected to the top of the base 1, a second soundproof shell 4 of the actuator is plugged into the top of the first soundproof shell 3 of the actuator, a plurality of blocks 8 are arranged in a circular array on the inner wall of the top opening of the second soundproof shell 4 of the actuator, a plurality of blocks 8 are connected to the same top cover 6, a plurality of slots 15 are arranged in a circular array on the bottom of the top cover 6, and the slots 15 are connected to the blocks 8, and the rectangular hole 7 can be pulled out from the top opening of the second soundproof shell 4 of the actuator, and the top cover 6 is connected to the plurality of blocks 8 through the plurality of slots 15 and is installed on the second soundproof shell 4 of the actuator, an electronic device 13 is arranged on the top of the base 1, and a plurality of mounting holes 9 are arranged in a rectangular array on the bottom inner wall of the second soundproof shell 4 of the actuator.

[0023] In this embodiment, a plurality of clamping tubes 5 are provided in an annular array on the outer wall of the second soundproof housing 4 of the actuator, and a plurality of rectangular holes 7 are provided in an annular array on the top of the top cover 6 .

[0024] In this embodiment, a through pipe 10 is provided on the bottom inner wall of the second soundproof shell 4 of the actuator, and a plurality of through grooves 2 are provided on the top annular array of the base 1. Screws can be inserted into the plurality of mounting holes 9 for mounting the circuit board. Thinner wires can pass through the plurality of through grooves 2 and be clamped with the clamping tubes 5 to enter the rectangular holes 7 to be connected with the circuit board. The through pipe 10 located below the circuit board can also pass wires through to be connected with the electronic device 13.

[0025] In this embodiment, a reserved installation groove 14 is provided on the top of the base 1 , and the electronic device 13 is fixedly installed in the reserved installation groove 14 . The reserved installation groove 14 is provided on the top of the base 1 to reserve an installation position for the electronic device 13 .

[0026] In this embodiment, a sealing ring 12 is sleeved on the outer wall of the first soundproof shell 3 of the actuator, the outer wall of the sealing ring 12 is in contact with the inner wall of the second soundproof shell 4 of the actuator, and a sealing ring 12 is sleeved at the connection between the second soundproof shell 4 of the actuator and the first soundproof shell 3 of the actuator for sealing.

[0027] In this embodiment, cross holes 16 are provided on the outer walls of the actuator's first soundproof housing 3, the actuator's second soundproof housing 4, and the sealing ring 12, and the same cross rod 11 is inserted through the multiple cross holes 16. The sealing ring 12, the actuator's second soundproof housing 4, and the actuator's first soundproof housing 3 are all provided with cross holes 16, and the cross rod 11 can be inserted into the cross holes 16 to fix and assemble the actuator's first soundproof housing 3 and the actuator's second soundproof housing 4.

[0028] The working principle of the utility model is as follows: the rectangular hole 7 can be pulled out from the top opening of the second soundproof housing 4 of the actuator, the top cover 6 is mounted on the second soundproof housing 4 of the actuator after being snap-fitted with the multiple card blocks 8 through the multiple card slots 15, the screws can be inserted into the multiple mounting holes 9 to install the circuit board, the multiple through slots 2 can pass through thinner wires and snap-fitted with the card tubes 5 to enter the rectangular holes 7 to connect with the circuit board, the through tubes 10 located below the circuit board can also pass through the wires to connect with the electronic device 13, a sealing ring 12 is sleeved at the connection between the second soundproof housing 4 of the actuator and the first soundproof housing 3 of the actuator for sealing, the sealing ring 12, the second soundproof housing 4 of the actuator, and the first soundproof housing 3 of the actuator are all provided with cross holes 16, the cross rods 11 can be inserted into the cross holes 16 to fix and assemble the first soundproof housing 3 of the actuator and the second soundproof housing 4 of the actuator, and a reserved mounting groove 14 is provided on the top of the base 1 to reserve a mounting position for the electronic device 13.

[0029] However, as is well known to those skilled in the art, the working principle and wiring method of the electronic device 13 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art may make any selections according to their needs or convenience.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A noise reduction electric actuator, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a first soundproof housing (3) of the actuator, the top of the first soundproof housing (3) of the actuator is plugged with a second soundproof housing (4) of the actuator, a plurality of card blocks (8) are arranged in a circular array on the inner wall of the top opening of the second soundproof housing (4) of the actuator, a top cover (6) is snapped onto the plurality of card blocks (8), a plurality of card slots (15) are arranged in a circular array on the bottom of the top cover (6), and the card slots (15) are snapped onto the card blocks (8), an electronic device (13) is arranged on the top of the base (1), and a plurality of mounting holes (9) are arranged in a rectangular array on the bottom inner wall of the second soundproof housing (4) of the actuator.

2. A noise reduction electric actuator according to claim 1, characterized in that: A plurality of clamping tubes (5) are arranged in an annular array on the outer wall of the second soundproof housing (4) of the actuator, and a plurality of rectangular holes (7) are arranged in an annular array on the top of the top cover (6).

3. A noise reduction electric actuator according to claim 1, characterized in that: A through pipe (10) is provided on the bottom inner wall of the second soundproof housing (4) of the actuator, and a plurality of through grooves (2) are provided in an annular array on the top of the base (1).

4. The noise reduction electric actuator according to claim 1, characterized in that: A reserved installation groove (14) is provided on the top of the base (1), and the electronic device (13) is fixedly installed in the reserved installation groove (14).

5. The noise reduction electric actuator according to claim 1, characterized in that: A sealing ring (12) is sleeved on the outer wall of the first soundproof outer shell (3) of the actuator, and the outer wall of the sealing ring (12) fits in contact with the inner wall of the second soundproof outer shell (4) of the actuator.

6. The noise reduction electric actuator according to claim 1, characterized in that: The outer walls of the actuator first soundproof housing (3), the actuator second soundproof housing (4) and the sealing ring (12) are all provided with cross holes (16), and the same cross rod (11) is inserted through the plurality of cross holes (16).

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