Quick switch electric actuator convenient to install

Abstract

The utility model discloses a quick switch electric actuator convenient to install, which belongs to the technical field of electric actuators, and comprises an air valve body and an installation box, a driving motor is fixedly connected in the installation box, the output end of the driving motor is fixedly connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, and the second bevel gear is meshed with the first bevel gear. The second bevel gear is fixedly connected with a connecting column, the second bevel gear is fixedly connected with a sleeve, a groove is formed in the sleeve, the second bevel gear can be driven to rotate by starting the driving motor, and the air door can be driven to rotate and be opened under the action of the groove in the sleeve and a protruding key on the connecting shaft. And the two sets of sliding rods are pulled towards the outer side at the same time, the wedge-shaped blocks are separated from the square grooves, the top cover can be taken out of the top of the mounting box, therefore, parts in the mounting box are overhauled and maintained, operation is easy and convenient, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric actuators, in particular to a fast-switching electric actuator which is easy to install. Background Art

[0002] The actuator is an indispensable and important component in 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. At present, the actuators for air volume control valves are mostly electric actuators. The air volume control valve is a terminal product of central air conditioning and can be used to adjust fresh air and return air.

[0003] The air volume regulating valve includes a valve body and a regulating blade arranged inside the valve body. In the prior art, an electric actuator is generally used to directly drive the rotating shaft on the blade to rotate, thereby realizing the closing and opening of the valve body. The rotating shaft on the blade is under pressure for a long time and is prone to stress fatigue. If the rotating shaft needs to be replaced, the electric actuator needs to be disassembled, which affects the stability of the electric actuator and is not conducive to the maintenance of the electric actuator. Utility Model Content

[0004] The utility model solves the technical problems in the above-mentioned background technology and provides a fast-opening electric actuator which is easy to install.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is:

[0006] A quick-switching electric actuator that is easy to install comprises a damper body and a mounting box, wherein a driving motor is fixedly connected inside the mounting box, a first bevel gear is fixedly connected to the output end of the driving motor, the first bevel gear is meshingly connected to the second bevel gear, a connecting column is fixedly connected to the second bevel gear, a sleeve is fixedly connected to the second bevel gear, a groove is provided in the sleeve, a connecting shaft is rotatably connected through the damper body, a damper is fixedly connected to the connecting shaft, a convex key is provided on the connecting shaft, and the convex key slides in the groove.

[0007] Preferably, a square groove is provided in the installation box, a top cover is provided on the installation box, a slide groove is provided on the top cover, a sliding rod is slidably connected through the slide groove, one end of the sliding rod is fixedly connected to a wedge block, the other end of the sliding rod is fixedly connected to a pull handle, and a spring is sleeved on the sliding rod.

[0008] Preferably, a mounting block is provided on the mounting box, a self-tapping screw is slid inside the mounting block, the self-tapping screw is threadedly connected to the top of the air valve body, a first mounting plate is provided on one side of the air valve body, a first mounting hole is provided on the first mounting plate, a second mounting plate is provided on the side of the air valve body away from the first mounting plate, a second mounting hole is provided on the second mounting plate, and a limiting baffle is fixedly connected to the air valve body.

[0009] Preferably, the second bevel gear is located above the first bevel gear, the grooves are provided with four groups, the connecting column is rotatably connected to the bottom of the top cover, the damper is affixed to the limit baffle, a model receiver is provided in the installation box, and the drive motor is electrically connected to the signal receiver.

[0010] Preferably, the square grooves are provided with two groups, the slide grooves are provided with two groups, and the wedge blocks slide through the square grooves and the slide grooves.

[0011] Preferably, the handle is located on the outside of the top cover, one end of the spring is fixedly connected to the wedge block, and the other end of the spring is fixedly connected to the slide groove.

[0012] Preferably, the first mounting hole and the second mounting hole are respectively provided with grooves and are symmetrically arranged, and the mounting blocks are provided in four groups and are evenly distributed.

[0013] With the above structure, the utility model has the following advantages:

[0014] 1. The utility model can drive the second bevel gear to rotate by starting the driving motor, and can drive the damper to rotate and open under the action of the groove in the sleeve and the convex key on the connecting shaft, so as to control the air duct, and by pulling the two sets of sliding rods outward at the same time, the wedge block is disengaged from the square groove, and the top cover can be taken out from the top of the installation box, so that the parts inside the installation box can be inspected and maintained, the operation is simple and convenient, and the practicality of the device is improved.

[0015] 2. The utility model can fix the mounting box to the air valve body by using self-tapping screws through the four sets of mounting blocks on the mounting box, and the air valve body can be conveniently fixed to the air duct through the first mounting holes and the second mounting holes on the first mounting plate and the second mounting plate, and the limit baffle fixedly connected in the air valve body can limit the position of the air door when it rotates, ensuring that the air door is completely closed when it is closed, avoiding air leakage, and improving the convenience of the device.

[0016] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a schematic diagram of the structure of a quick-switch electric actuator that is easy to install. Figure 1 ;

[0019] Figure 2 This is a schematic diagram of the structure of a quick-switch electric actuator that is easy to install. Figure 2 ;

[0020] Figure 3 This is a partial structural exploded diagram of a quick-switching electric actuator that is easy to install in the utility model;

[0021] Figure 4 The utility model is a local structural sectional view of a quick switch electric actuator which is easy to install.

[0022] As shown in the figure: 1. Air valve body; 2. Mounting box; 3. Drive motor; 4. First bevel gear; 5. Second bevel gear; 6. Connecting column; 7. Sleeve; 8. Groove; 9. Connecting shaft; 10. Air door; 11. Key; 12. Square groove; 13. Top cover; 14. Slide groove; 15. Sliding rod; 16. Wedge block; 17. Pull handle; 18. Spring; 19. Mounting block; 20. Self-tapping screw; 21. First mounting plate; 22. First mounting hole; 23. Second mounting plate; 24. Second mounting hole; 25. Limit baffle. DETAILED DESCRIPTION

[0023] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0024] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0025] The utility model is further described in detail below in conjunction with the full text:

[0026] Combined with Figures 1 to 4 A fast-switching electric actuator that is easy to install includes a damper body 1 and an installation box 2. A driving motor 3 is fixedly connected in the installation box 2. A first bevel gear 4 is fixedly connected to the output end of the driving motor 3. The first bevel gear 4 is meshedly connected to the second bevel gear 5. A connecting column 6 is fixedly connected to the second bevel gear 5. A sleeve 7 is fixedly connected to the second bevel gear 5. A groove 8 is provided in the sleeve 7. A connecting shaft 9 is rotatably connected to the damper body 1. A damper 10 is fixedly connected to the connecting shaft 9. A convex key 11 is provided on the connecting shaft 9. The convex key 11 slides in the groove 8, and the second bevel gear 5 can be driven to rotate by starting the driving motor 3. Under the action of the groove 8 in the sleeve 7 and the convex key 11 on the connecting shaft 9, the damper 10 can be driven to rotate and open, thereby controlling the air duct, and by pulling the two sets of sliding rods 15 outward at the same time, the wedge block 16 is disengaged from the square groove 12, and the top cover 13 can be taken out from the top of the installation box 2, so that the parts inside the installation box 2 can be inspected and maintained, the operation is simple and convenient, and the practicality of the device is improved.

[0027] Among them, a square groove 12 is provided in the installation box 2, a top cover 13 is provided on the installation box 2, a slide groove 14 is provided on the top cover 13, a sliding rod 15 is slidably connected in the slide groove 14, one end of the sliding rod 15 is fixedly connected to a wedge block 16, the other end of the sliding rod 15 is fixedly connected to a handle 17, a spring 18 is sleeved on the sliding rod 15, a mounting block 19 is provided on the installation box 2, a self-tapping screw 20 is slidably provided in the mounting block 19, and the self-tapping screw 20 is threadedly connected to the top of the air valve body 1, and the air valve body 1 is provided with a mounting block 19. A first mounting plate 21 is provided on one side of the valve body 1, and a first mounting hole 22 is provided on the first mounting plate 21. A second mounting plate 23 is provided on the side of the air valve body 1 away from the first mounting plate 21, and a second mounting hole 24 is provided on the second mounting plate 23. A limit baffle 25 is fixedly connected inside the air valve body 1, and the second bevel gear 5 is located above the first bevel gear 4. The groove 8 is provided with four groups, and the connecting column 6 is rotatably connected to the bottom of the top cover 13. The air door 10 is attached to the limit baffle 25, and the installation box 2 is installed inside. A model receiver is provided, and the drive motor 3 is electrically connected to the signal receiver. The square groove 12 is provided with two groups, and the slide groove 14 is provided with two groups. The wedge block 16 penetrates and slides in the square groove 12 and the slide groove 14. The pull handle 17 is located on the outer side of the top cover 13. One end of the spring 18 is fixedly connected to the wedge block 16, and the other end of the spring 18 is fixedly connected to the slide groove 14. The first mounting hole 22 and the second mounting hole 24 are respectively provided with grooves 8 and are symmetrically arranged. The mounting blocks 19 are provided with four groups and are evenly distributed. The mounting box 2 can be fixedly connected to the air valve body 1 by using self-tapping screws 20 through the four groups of mounting blocks 19 on the mounting box 2. The air valve body 1 can be conveniently fixedly installed on the air duct through the first mounting hole 22 and the second mounting hole 24 on the first mounting plate 21 and the second mounting plate 23. The limit baffle 25 fixedly connected in the air valve body 1 can be limited when the air door 10 rotates, ensuring that the air door 10 is completely closed when it is closed to avoid air leakage, thereby improving the convenience of the device.

[0028] Working principle of the utility model: when in use, first use bolts and nuts to fix the air valve body 1 to the air duct through the first mounting hole 22 on the first mounting plate 21 and the second mounting hole 24 on the second mounting plate 23, then use self-tapping screws 20 to fix the mounting box 2 on the top of the air valve body 1 through the first bevel gear 4 group mounting block 19 on the mounting box 2, then the top cover 13 is sleeved on the mounting box 2, and when the wedge block 16 is attached to the mounting box 2, the sliding rod 15 is pushed to slide outward and compress the spring 18 through the wedge block 16, until the positions of the slide groove 14 and the square groove 12 correspond, and the spring 18 drives the The square groove 12 is reset and inserted into the square groove 12 to fix the installation box 2 and the top cover 13, and when the top cover 13 is fixed, the second bevel gear 5 drives the sleeve 7 to slide the convex key 11 into the groove 8. When the internal maintenance is required, the handle 17 is pulled directly to compress the wedge block 16 and put it into the slide groove 14, so that the top cover 13 can be taken out, and then the first bevel gear 4 is driven to rotate by starting the drive motor 3, and the second bevel gear 5 is driven to rotate through the connecting column 6 on the second bevel gear 5. The second bevel gear 5 drives the damper 10 to rotate through the groove 8 in the sleeve 7 and the convex key 11 on the connecting shaft 9, thereby controlling the switch of the air duct.

[0029] The above describes the utility model and its implementation methods, which is not restrictive. What is shown in the full text is only one of the implementation methods of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it, without departing from the purpose of the invention of the utility model, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the utility model.

Claims

1. A quick-opening electric actuator that is easy to install, comprising a damper body (1) and a mounting box (2), characterized in that: A driving motor (3) is fixedly connected inside the installation box (2); a first bevel gear (4) is fixedly connected to the output end of the driving motor (3); the first bevel gear (4) is meshingly connected to a second bevel gear (5); a connecting column (6) is fixedly connected to the second bevel gear (5); a sleeve (7) is fixedly connected to the second bevel gear (5); a groove (8) is provided inside the sleeve (7); a connecting shaft (9) is rotatably connected through the air valve body (1); a damper (10) is fixedly connected to the connecting shaft (9); a convex key (11) is provided on the connecting shaft (9); and the convex key (11) slides in the groove (8).

2. The fast-opening and closing electric actuator that is easy to install according to claim 1 is characterized in that: The installation box (2) is provided with a square groove (12), the installation box (2) is provided with a top cover (13), the top cover (13) is provided with a slide groove (14), a slide rod (15) is slidably connected through the slide groove (14), one end of the slide rod (15) is fixedly connected with a wedge block (16), the other end of the slide rod (15) is fixedly connected with a pull handle (17), and a spring (18) is sleeved on the slide rod (15).

3. The fast-opening and closing electric actuator that is easy to install according to claim 2 is characterized in that: The mounting box (2) is provided with a mounting block (19), a self-tapping screw (20) is slidably arranged inside the mounting block (19), the self-tapping screw (20) is threadedly connected to the top of the air valve body (1), a first mounting plate (21) is provided on one side of the air valve body (1), a first mounting hole (22) is provided on the first mounting plate (21), a second mounting plate (23) is provided on the side of the air valve body (1) away from the first mounting plate (21), a second mounting hole (24) is provided on the second mounting plate (23), and a limit baffle (25) is fixedly connected inside the air valve body (1).

4. The fast-opening and closing electric actuator that is easy to install according to claim 3 is characterized in that: The second bevel gear (5) is located above the first bevel gear (4), the groove (8) is provided with four groups, the connecting column (6) is rotatably connected to the bottom of the top cover (13), the damper (10) is attached to the limit baffle (25), a model receiver is provided in the installation box (2), and the drive motor (3) is electrically connected to the signal receiver.

5. The fast-opening and closing electric actuator that is easy to install according to claim 4 is characterized in that: The square grooves (12) are provided with two groups, the slide grooves (14) are provided with two groups, and the wedge blocks (16) penetrate and slide in the square grooves (12) and the slide grooves (14).

6. The fast-opening and closing electric actuator that is easy to install according to claim 5 is characterized in that: The pull handle (17) is located outside the top cover (13), one end of the spring (18) is fixedly connected to the wedge block (16), and the other end of the spring (18) is fixedly connected to the slide groove (14).

7. The fast-opening and closing electric actuator that is easy to install according to claim 6 is characterized in that: The first mounting hole (22) and the second mounting hole (24) are respectively provided with grooves (8) and are symmetrically arranged, and the mounting blocks (19) are provided in four groups and are evenly distributed.

Images