Mounting structure for electric actuating mechanism

Abstract

The utility model discloses a mounting structure for an electric actuating mechanism, and relates to the technical field of actuating mechanisms. The actuator comprises a connecting shaft, a shell of the actuator is fixedly connected with a convex shell, the connecting shaft is located in a barrel opening of the convex shell, a guide opening is formed in the face, back on to the actuator, of the convex shell in a penetrating mode, a ring body is arranged in the convex shell, the outer side wall of the ring body is rotationally connected with a gear ring, and the inner wall of the convex shell is rotationally connected with a rotating shaft in a penetrating mode; the side wall of the rotating shaft is fixedly connected with a gear and a worm gear, a motor is arranged in the convex shell, the output shaft end of the motor is fixedly connected with a worm, the worm corresponds to and is meshed with the worm gear, the bottom end of the rotating shaft is fixedly connected with a screw, the side wall of the screw is in threaded connection with a threaded cylinder, and a clamping groove is formed in the middle of the bottom face of the threaded cylinder; according to the electric actuating mechanism, the electric actuating mechanism body can be conveniently and rapidly installed at the top end of the valve body, and convenience is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of actuator, specifically is a kind of installation structure for electric actuator. BACKGROUND

[0002] Valve electric actuator is a kind of driving device that can provide linear or rotary motion, it uses certain driving energy and works under the action of certain control signal, actuator uses liquid, gas, electricity or other energy and is converted into driving action by motor, cylinder or other device and is widely used in the control of valve.

[0003] At present, there are still some problems in using valve electric actuator, when electric actuator is installed on valve, multiple fastening bolts are usually used for connection and fixation, and it needs to be installed one by one when operating, so the installation procedure is complicated and time-consuming, to solve the above problems, the inventor proposes an installation structure for electric actuator to solve the above problems. UTILITY MODEL CONTENTS

[0004] In order to solve the problem that electric actuator is troublesome and time-consuming during installation at present, the purpose of the utility model is to provide an installation structure for electric actuator.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: an installation structure for electric actuator, including actuator, the actuator includes connecting shaft, the shell of the actuator is fixedly connected with convex shell, the connecting shaft is located in the barrel mouth of convex shell, the back of convex shell is provided with guide hole, the inside of convex shell is provided with ring body, the outer side wall of ring body is rotatably connected with gear ring, the inner wall of convex shell is rotatably connected with rotating shaft, the side wall of rotating shaft is fixedly connected with gear and worm, the gear corresponds and engages with gear ring, the inside of convex shell is provided with motor, the output shaft end of motor is fixedly connected with worm, the worm corresponds and engages with worm, the bottom end of rotating shaft is fixedly connected with screw rod, the side wall of screw rod is threadedly connected with threaded barrel, the bottom surface middle part of threaded barrel is provided with clamping groove.

[0006] Preferably, the axis of the ring body coincides with the axis of the connecting shaft, the connecting shaft is located in the ring opening of the ring body, the top surface of the ring body is fixedly connected with the connecting plate, the side away from the ring body is fixedly connected with the inner side wall of the convex shell, the cross section of the connecting shaft is square, the end surface of the connecting shaft is provided with a square hole, the opening and closing rod is used for cooperating with the square hole, the electric actuator mainly consists of a motor, a speed reduction mechanism, a transmission mechanism, a position sensor and a controller, the electric actuator receives electric signals from the control system, the signals can be switch signals or analog signals, the controller drives the motor to rotate according to the received signals, converts the high-speed low-torque output of the motor into low-speed high-torque output through the speed reduction mechanism and the transmission mechanism, and moves the controlled equipment, such as a valve, to a specified position, when the connecting shaft rotates, the opening and closing rod can be rotated through the square hole, and the valve can be opened and closed, the valve body comprises an opening and closing rod, the top surface of the valve body is fixedly connected with a convex cylinder, the opening and closing rod is located in the cylinder opening of the convex cylinder, and the convex cylinder corresponds to the convex shell, the top surface of the convex cylinder is provided with a notch, the inner bottom wall of the notch is fixedly connected with a clamping column, the clamping column corresponds to and is clamped with a clamping groove, the end surface of the connecting shaft is provided with a square hole, the opening and closing rod is used for cooperating with the square hole, when the connecting shaft rotates, the opening and closing rod can be rotated through the square hole, and the valve can be opened and closed, and the threaded cylinder can move in the notch.

[0007] Preferably, the side wall of the motor is provided with a base, the base is fixedly connected with the inner side wall of the convex shell, the number of the threaded cylinders is four, and the four threaded cylinders are arrayed around the axis of the gear ring, the motor is installed through the base, the motor is started, the worm is rotated under the action of the motor output shaft, the worm and the worm wheel are meshed with each other, so that the rotating shaft is rotated, the gear is rotated, the gear and the gear ring are meshed with each other, and the ring body is cooperated, so that the gear ring is stably moved, the gear ring is meshed with the other three gears, as shown in Figure 4 , so that the four threaded rods are synchronously rotated, the threaded rod and the threaded cylinder are matched with each other, and the guide plate and the guide groove are cooperated, so that the threaded cylinder is stably lifted and lowered, the clamping column is clamped into the clamping groove, and the installation of the actuator is completed, the side wall of the threaded cylinder is provided with a guide groove, the threaded cylinder is located in a guide opening, the side wall of the guide opening is fixedly connected with a guide plate, the guide plate corresponds to and is slidably connected with the guide groove, a buckle is arranged on the outer side wall of the convex shell, a hook is fixedly connected on the outer side wall of the convex cylinder, the buckle corresponds to and cooperates with the hook, when the actuator is installed, the buckle and the hook are cooperated, so that the threaded cylinder is prevented from falling down, when the clamping column is clamped into the clamping groove, the actuator is lifted up and cannot be clamped with the clamping groove.

[0008] Compared with the prior art, the utility model discloses the beneficial effect lies in: the electric actuator main body is installed at the top of the valve main body quickly, thereby improving the convenience, when installing the actuator, the cooperation of the hasp and the hook can complete the primary location fixing of the actuator, the cooperation of the gear and the gear ring can make four screw rods rotate synchronously, the cooperation of the screw rod and the threaded cylinder and the cooperation of the guide plate and the guide groove can make the threaded cylinder lift stably, so that the clamping column is clamped into the clamping groove, thereby completing the final installation and fixing of the actuator, thereby discarding the installation and fixed mode of the fastening bolt, and improving the installation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0009] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0010] Figure 1 It is the overall structure schematic diagram of the utility model.

[0011] Figure 2 It is the utility model explosion map.

[0012] Figure 3 It is the actuator structure schematic diagram of the utility model.

[0013] Figure 4 It is the convex shell internal structure schematic diagram of the utility model.

[0014] Figure 5 It is the second convex cylinder structure schematic diagram of the utility model.

[0015] Figure 6 It is the A place enlarged view of the utility model.

[0016] Figure 7 It is the B place enlarged view of the utility model.

[0017] Figure 8 It is the C place enlarged view of the utility model.

[0018] In the drawing: 1, actuator;2, convex shell;3, guide port;4, connecting shaft;5, ring body;6, connecting plate;7, gear ring;8, rotating shaft;9, worm wheel;10, gear;11, screw rod;12, motor;13, base;14, worm;15, threaded cylinder;16, guide groove;17, clamping groove;18, valve body;19, convex cylinder;20, opening and closing rod;21, recess;22, clamping column;23, hasp. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Example: Figures 1-8 As shown, this utility model provides an installation structure for an electric actuator, including an actuator 1. The actuator 1 includes a connecting shaft 4. A convex shell 2 is fixedly connected to the outer shell of the actuator 1. The connecting shaft 4 is located inside the cylindrical opening of the convex shell 2. A guide port 3 is provided through the side of the convex shell 2 facing away from the actuator 1. An annular body 5 is provided inside the convex shell 2. A gear ring 7 is rotatably connected to the outer wall of the annular body 5. A rotating shaft 8 is rotatably connected to the inner wall of the convex shell 2. A gear 10 and a worm gear 9 are fixedly connected to the side wall of the rotating shaft 8. The gear 10 corresponds to and meshes with the gear ring 7. A motor 12 is provided inside the convex shell 2. A worm 14 is fixedly connected to the output shaft end of the motor 12. The worm 14 corresponds to and meshes with the worm gear 9. A screw 11 is fixedly connected to the bottom end of the rotating shaft 8. A threaded cylinder 15 is threadedly connected to the side wall of the screw 11. A groove 17 is provided in the middle of the bottom surface of the threaded cylinder 15.

[0021] The axis of the ring body 5 coincides with the axis of the connecting shaft 4. The connecting shaft 4 is located inside the ring opening of the ring body 5. A connecting plate 6 is fixedly connected to the top surface of the ring body 5. The side of the connecting plate 6 away from the ring body 5 is fixedly connected to the inner wall of the convex shell 2.

[0022] By adopting the above technical solution, the cross-section of the connecting shaft 4 is square, and a square hole is provided on the end face of the connecting shaft 4. The opening and closing rod 20 is used to cooperate with the square hole. The electric actuator 1 is mainly composed of a motor, a reduction mechanism, a transmission mechanism, a position sensor, and a controller. The electric actuator receives electrical signals from the control system. These signals can be switch signals or analog signals. The controller drives the motor to rotate according to the received signals. The high-speed, low-torque output of the motor is converted into a low-speed, high-torque output through the reduction mechanism and the transmission mechanism, so that the controlled equipment, such as the valve, moves to a designated position. When the connecting shaft 4 rotates, the opening and closing rod 20 can be rotated through the square hole, thereby opening and closing the valve.

[0023] The motor 12 has a base 13 on its side wall, which is fixedly connected to the inner side wall of the convex shell 2. There are four threaded cylinders 15, and the four threaded cylinders 15 are arranged in an array with the axis of the toothed ring 7 as the center.

[0024] By adopting the above technical scheme, the motor 12 is installed through the base 13, the motor 12 is started, the worm 14 rotates under the action of the output shaft of the motor 12, the rotating shaft 8 can be rotated through the mutual meshing of the worm 14 and the worm wheel 9, and then the gear 10 can be rotated, the gear 10 and the gear ring 7 are meshed, and the gear ring 7 is stably moved under the cooperation of the ring body 5, and then the gear ring 7 is meshed with the other three gears 10, as shown in Figure 4 The screw rod 11 and the threaded barrel 15 are matched, and the guide plate and the guide groove 16 are matched, so that the threaded barrel 15 is stably lifted, the clamping column 22 is clamped into the clamping groove 17, and the installation of the actuator 1 is completed.

[0025] The side wall of the threaded barrel 15 is provided with the guide groove 16, the threaded barrel 15 is located in the guide opening 3, the side wall of the guide opening 3 is fixedly connected with the guide plate, and the guide plate is slidably connected with the guide groove 16.

[0026] By adopting the above technical scheme, the buckle 23 is arranged on the outer side wall of the convex shell 2, the hook is fixedly connected on the outer side wall of the convex barrel 19, the buckle 23 corresponds to and cooperates with the hook, when the actuator 1 is installed, the buckle 23 cooperates with the hook, so that the threaded barrel 15 is prevented from falling down, and when the clamping column 22 is clamped into the clamping groove 17, the actuator 1 is lifted and cannot be clamped and matched with the clamping groove 17.

[0027] One side of the actuator 1 is provided with the valve body 18, the valve body 18 comprises the opening and closing rod 20, the top surface of the valve body 18 is fixedly connected with the convex barrel 19, the opening and closing rod 20 is located in the barrel opening of the convex barrel 19, the convex barrel 19 corresponds to the convex shell 2, the top surface of the convex barrel 19 is provided with the notch 21, the inner bottom wall of the notch 21 is fixedly connected with the clamping column 22, and the clamping column 22 corresponds to and is clamped with the clamping groove 17.

[0028] By adopting the above technical scheme, the end surface of the connecting shaft 4 is provided with a square hole, the opening and closing rod 20 is used for cooperating with the square hole, when the connecting shaft 4 rotates, the opening and closing rod 20 can rotate through the square hole, and then the valve can be opened and closed, and the threaded barrel 15 can move in the notch 21.

[0029] Working principle: when the actuator 1 is installed, the convex shell 2 corresponds to the convex barrel 19, the threaded barrel 15 corresponds to the notch 21, the buckle 23 cooperates with the hook, and the preliminary limiting and fixing of the actuator 1 are completed.

[0030] Then, the motor 12 is started, the worm 14 rotates under the action of the motor 12 output shaft, through the mutual engagement of the worm 14 and the worm wheel 9, so that the rotating shaft 8 can rotate, and then the gear 10 can rotate, through the mutual engagement of the gear 10 and the gear ring 7, and under the cooperation of the ring body 5, so that the gear ring 7 can move stably, and then the gear ring 7 can be engaged with the other three gears 10, so that the four screw rods 11 can rotate synchronously, through the cooperation of the screw rod 11 and the threaded cylinder 15, and under the cooperation of the guide plate and the guide groove 16, so that the threaded cylinder 15 can stably ascend and descend, so that the clamping column 22 is clamped into the clamping groove 17, thereby completing the final installation and fixation of the actuator 1.

[0031] The standard parts used in the present application can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical parts and equipment adopt the conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0032] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application belong to the scope of the claims of the present application and the equivalent technology, the present application also intends to include these modifications and variations.

Claims

1. An installation structure for an electric actuator, comprising an actuator (1), characterized by: The executor (1) includes a connecting shaft (4), the shell of the executor (1) is fixedly connected with a convex shell (2), the connecting shaft (4) is located in the barrel mouth of the convex shell (2), the back of the convex shell (2) is provided with a guide port (3), the inside of the convex shell (2) is provided with a ring body (5), the outer side wall of the ring body (5) is rotatably connected with a gear ring (7), the inner wall of the convex shell (2) is rotatably connected with a rotating shaft (8), the side wall of the rotating shaft (8) is fixedly connected with a gear (10) and a worm wheel (9), the gear (10) corresponds and engages with the gear ring (7), the inside of the convex shell (2) is provided with a motor (12), the output shaft end of the motor (12) is fixedly connected with a worm (14), the worm (14) corresponds and engages with the worm wheel (9), the bottom end of the rotating shaft (8) is fixedly connected with a screw rod (11), the side wall of the screw rod (11) is threadedly connected with a threaded cylinder (15), the bottom surface of the threaded cylinder (15) is provided with a clamping groove (17).

2. The mounting structure for an electric actuator according to claim 1, wherein The axis of the ring body (5) coincides with the axis of the connecting shaft (4), and the connecting shaft (4) is located in the ring opening of the ring body (5).

3. The mounting structure for an electric actuator according to claim 1, wherein The top surface of the ring body (5) is fixedly connected with a connecting plate (6), and the side away from the ring body (5) is fixedly connected with the inner side wall of the convex shell (2).

4. The mounting structure for an electric actuator according to claim 1, wherein The side wall of the motor (12) is provided with a base (13), and the base (13) is fixedly connected with the inner side wall of the convex shell (2).

5. The mounting structure for an electric actuator according to claim 1, wherein The number of the threaded cylinder (15) is four, and the four threaded cylinders (15) are arrayed around the axis of the gear ring (7).

6. The mounting structure for an electric actuator according to claim 1, wherein The side wall of the threaded cylinder (15) is provided with a guide groove (16), the threaded cylinder (15) is located in the guide port (3), the side wall of the guide port (3) is fixedly connected with a guide plate, and the guide plate corresponds and slidably connects with the guide groove (16).

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