Air valve actuator

Abstract

The utility model discloses an air valve actuator which comprises a shell, a control panel, a motor, a speed reduction system and a valve port assembly, the control panel is fixedly connected in the shell, a direction control knob and a manual switch are arranged on the shell and electrically connected with the control panel, the motor is fixedly connected in the shell and electrically connected with the control panel, and the speed reduction system is electrically connected with the control panel. The motor is in power connection with the valve port assembly through a speed reduction system, and an angle feedback mechanism is further arranged on the shell and is in power connection with the speed reduction system. The utility model relates to the technical field of air valve actuators, and has the characteristics that the output torque is ensured to reach a preset level, and the rotation angle can be checked.

Description

Technical Field

[0001] The utility model relates to the technical field of air valve actuators, in particular to an air valve actuator. Background Art

[0002] Damper actuators are common devices in industrial control systems, used to control the opening and closing of dampers to regulate the flow of media (such as air and gas). Traditional damper actuators are typically driven by motors and use mechanical structures to control the valves. However, traditional designs have some issues, such as insufficient torque output and inaccurate angle feedback.

[0003] Traditional damper actuators typically use simple mechanical structures to achieve torque amplification and angle feedback. However, due to the limitations of the mechanical transmission system, torque output often fails to meet actual requirements, and angle feedback accuracy is also low. Furthermore, traditional valve sleeve fixing methods can be unreliable and prone to loosening, affecting the normal operation of the valve. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide a damper actuator that ensures that the output torque reaches a predetermined level and can check the rotation angle.

[0005] The technical solution adopted by the present invention to achieve the above-mentioned purpose is: an air valve actuator includes a housing, a control panel, a motor, a deceleration system and a valve port assembly, the control panel is fixedly connected to the housing, a direction control knob and a manual switch are provided on the housing electrically connected to the control panel, the motor is fixedly connected to the housing, the motor is electrically connected to the control panel, the motor is dynamically connected to the valve port assembly through the deceleration system, an angle feedback mechanism is also provided on the housing, and the angle feedback mechanism is dynamically connected to the deceleration system.

[0006] In the above technical solution, the reduction system includes a base plate, a first gear pair, a second gear pair, a third gear pair, and a fourth gear pair. The base plate is rotatably connected to the first gear pair, and the first gear pair includes a first gear shaft and a first large gear and a first small gear fixedly connected to the first gear shaft.

[0007] A transmission gear is fixedly connected to the power shaft of the motor, and the transmission gear is meshed with the first large gear;

[0008] The bottom plate is rotatably connected to the second gear pair, the second gear pair comprising a second gear shaft and a second large gear and a second small gear fixedly connected to the second gear shaft, the second large gear being meshed with the first small gear;

[0009] The bottom plate is rotatably connected to the third gear pair, the third gear pair comprising a third gear shaft and a third large gear and a third small gear fixedly connected to the third gear shaft, the third large gear being meshed with the second small gear;

[0010] The fourth gear pair is rotatably connected to the base plate, and the fourth gear pair includes a fourth gear shaft and a fourth large gear and a fourth small gear fixedly connected to the fourth gear shaft. The fourth large gear is meshed with the third small gear, and the fourth small gear is dynamically connected to the valve port assembly.

[0011] In the above technical solution, the valve port assembly includes a valve sleeve rotatably connected to the outer shell, the valve sleeve is fixedly connected with sector teeth, the sector teeth are meshed with the fourth pinion, and the valve sleeve is matched with a U-shaped buckle.

[0012] In the above technical solution, the angle feedback mechanism includes a ring shaft, a fifth large gear, a fifth small gear, a sixth gear, a feedback shaft, and a feedback knob. The ring shaft is rotatably connected in the outer shell, the fifth large gear is fixedly connected on the ring shaft, the fifth large gear is meshed with the fourth small gear, the fifth small gear is fixedly connected on the ring shaft, the feedback shaft is rotatably connected in the outer shell, the sixth gear is fixedly connected on the feedback shaft, the sixth gear is meshed with the fifth small gear, the feedback knob is sleeved on the feedback shaft, a knob groove is provided on the outer shell, and the feedback knob is located in the knob groove.

[0013] In the above technical solution, it also includes a cable connector, the outer shell is provided with a slide groove, the outer shell is provided with a buckle on one side of the slide groove, the cable connector is provided with a slide rail matching the slide groove, the cable connector is provided with a slot matching the buckle, the slide rail is slidably connected in the slide groove, and the buckle is snapped into the slot.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. This device uses a motor and a reduction system to process input torque through a precisely designed gear reduction system, thereby amplifying the torque to achieve a predetermined output level. The gear configuration of the system ensures efficient torque transmission and reduces energy loss.

[0016] 2. The rotation direction of the valve sleeve can be checked through the angle feedback mechanism. In this way, after the damper actuator is installed, if the valve port assembly is covered with a protective cover, the rotation direction of the damper in the valve sleeve can still be checked;

[0017] 3. A U-shaped buckle is designed at the valve sleeve position for fixed connection with the rotating shaft. The rotating shaft is directly fixed to the external valve, ensuring its reliable movement under the drive of the valve port. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 This is a schematic diagram of the structure of the utility model;

[0020] Figure 3 This is a structural diagram of the utility model from another perspective;

[0021] Figure 4 This is a schematic diagram of the structure of the deceleration system in the utility model;

[0022] Figure 5 This is a structural diagram of the deceleration system of the present invention from another perspective;

[0023] Figure 6 This is a schematic diagram of the exploded structure of the cable connector in the present invention;

[0024] Figure 7 This is a structural schematic diagram of the cable connector in the present invention from another perspective.

[0025] In the figure: 100 housing, 200 control board, 300 motor, 400 reduction system, 401 bottom plate, 402 first gear pair, 4021 first gear shaft, 4022 first large gear, 4023 first small gear, 403 second gear pair, 4031 second gear shaft, 4032 second large gear, 4033 second small gear, 404 third gear pair, 4041 third gear shaft, 4042 third large gear, 4043 third small gear, 405 fourth gear pair, 4051 Four gear shafts, 4052 fourth large gear, 4053 fourth small gear, 406 transfer gear, 500 valve port assembly, 501 valve sleeve, 502 sector gear, 503 U-shaped buckle, 600 control knob, 700 manual switch, 800 angle feedback mechanism, 801 ring shaft, 802 fifth large gear, 803 fifth small gear, 804 sixth gear, 805 feedback shaft, 806 feedback knob, 900 cable connector, 901 slide groove, 902 buckle, 903 slide rail, 904 slot. DETAILED DESCRIPTION

[0026] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figure 1 —7, the air valve actuator includes a housing 100, a control panel 200, a motor 300, a deceleration system 400 and a valve assembly 500, wherein the control panel 200 is fixedly connected to the housing 100, and a direction control knob 600 and a manual switch 700 are provided on the housing 100 and electrically connected to the control panel 200. The motor 300 is fixedly connected to the housing 100, and the motor 300 is electrically connected to the control panel 200, so that a signal can be sent to the control panel 200 through the control knob 600, and the control panel 200 controls the rotation direction of the motor 300, and a signal can be sent through the manual switch 700. The signal is transmitted to the control board 200, thereby realizing the control board 200 to control the opening and closing of the motor 300. In addition, the above-mentioned motor 300 is also dynamically connected to the valve port assembly 500 through the reduction system 400. Specifically, the reduction system 400 includes a base plate 401, a first gear pair 402, a second gear pair 403, a third gear pair 404, and a fourth gear pair 405. The first gear pair 402 is rotatably connected to the base plate 401. The first gear pair 402 includes a first gear shaft 4021 and a first large gear 4022 and a first small gear 4023 fixedly connected to the first gear shaft 4021.

[0028] A transmission gear 406 is fixedly connected to the power shaft of the motor 300, and the transmission gear 406 is meshed with the first large gear 4022;

[0029] Furthermore, the bottom plate 401 is rotatably connected to a second gear pair 403, which includes a second gear shaft 4031, a second large gear 4032 fixedly connected to the second gear shaft 4031, and a second small gear 4033. The second large gear 4032 is meshed with the first small gear 4023.

[0030] Furthermore, the bottom plate 401 is rotatably connected to a third gear pair 404. The third gear pair 404 includes a third gear shaft 4041, a third large gear 4042 fixedly connected to the third gear shaft 4041, and a third small gear 4043. The third large gear 4042 is meshed with the second small gear 4033.

[0031] Furthermore, a fourth gear pair 405 is rotatably connected to the base plate 401. The fourth gear pair 405 includes a fourth gear shaft 4051, a fourth large gear 4052 fixedly connected to the fourth gear shaft 4051, and a fourth small gear 4053. The fourth large gear 4052 is meshed with the third small gear 4043, and the fourth small gear 4053 is power-connected to the valve port assembly 500.

[0032] Furthermore, the valve port assembly 500 includes a valve sleeve 501 rotatably connected to the housing 100, and a sector tooth 502 is fixedly connected to the valve sleeve 501, which is meshed with the fourth pinion 4053. The valve sleeve 501 is matched with a U-shaped buckle 503, so that the initial power can be output through the motor 300, and then the torque of the initial power is increased through the first gear pair 402, the second gear pair 403, the third gear pair 404, and the fourth gear pair 405. Finally, the power is transmitted to the sector tooth 502. When the valve shaft of the air valve is installed in the shaft sleeve, the final output power can drive the valve shaft to rotate, thereby realizing the control of the air valve, and the U-shaped buckle 503 can enhance the connection stability between the shaft sleeve and the valve shaft.

[0033] In addition, the housing 100 is further provided with an angle feedback mechanism 800, which is dynamically connected to the reduction system 400. Specifically, the angle feedback mechanism 800 includes a ring shaft 801, a fifth large gear 802, a fifth small gear 803, a sixth gear 804, a feedback shaft 805, and a feedback knob 806. The housing 100 is rotatably connected to the ring shaft 801, the ring shaft 801 is fixedly connected to the fifth large gear 802, the fifth large gear 802 is meshed with the fourth small gear 4053, the ring shaft 801 is fixedly connected to the fifth small gear 803, and the housing 100 is rotatably connected to the feedback knob 806. Shaft 805, the feedback shaft 805 is fixedly connected to the sixth gear 804, the sixth gear 804 is meshed with the fifth pinion 803, and the feedback shaft 805 is sleeved with a feedback knob 806. The housing 100 is provided with a knob groove, and the feedback knob 806 is located in the knob groove. In this way, when power is transmitted to the shaft sleeve, the power can also be transmitted to the ring shaft 801, and then the power is transmitted to the feedback shaft 805, and finally the upper feedback knob 806 is rotated. In this way, when the valve port assembly 500 is installed and protected, the rotation action and direction of the valve shaft can be checked through the feedback knob 806;

[0034] Further optimization is provided, and a cable connector 900 is included. A slide groove 901 is provided on the housing 100, and a buckle 902 is provided on one side of the slide groove 901 on the housing 100. A slide rail 903 is provided on the cable connector 900 to match the slide groove 901, and a card slot 904 is provided on the cable connector 900 to match the card slot 902. The slide rail 903 is slidably connected in the slide groove 901, and the card slot 904 is snapped into the card slot 904. In this way, when the external cable is electrically connected to the control board 200, the cable can be effectively protected by the cable connector 900, and the cooperation between the slide rail 903 and the slide groove 901, and the buckle 902 and the card slot 904 can make the cable connector 900 easy to install and disassemble, and have a certain stability.

[0035] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0036] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A damper actuator comprising a housing (100), a control panel (200), a motor (300), a speed reduction system (400), and a valve assembly (500), characterized in that: A control panel (200) is fixedly connected to the housing (100), a direction control knob (600) and a manual switch (700) are provided on the housing (100) and are electrically connected to the control panel (200), the motor (300) is fixedly connected to the housing (100), the motor (300) is electrically connected to the control panel (200), the motor (300) is dynamically connected to the valve port assembly (500) via the reduction system (400), and an angle feedback mechanism (800) is also provided on the housing (100), and the angle feedback mechanism (800) is dynamically connected to the reduction system (400).

2. The damper actuator according to claim 1, characterized in that: The deceleration system (400) comprises a base plate (401), a first gear pair (402), a second gear pair (403), a third gear pair (404), and a fourth gear pair (405); the first gear pair (402) is rotatably connected to the base plate (401); the first gear pair (402) comprises a first gear shaft (4021), a first large gear (4022) fixedly connected to the first gear shaft (4021), and a first small gear (4023); A transmission gear (406) is fixedly connected to the power shaft of the motor (300), and the transmission gear (406) is meshedly connected with the first large gear (4022); The second gear pair (403) is rotatably connected to the bottom plate (401), and the second gear pair (403) includes a second gear shaft (4031), a second large gear (4032) fixedly connected to the second gear shaft (4031), and a second small gear (4033), and the second large gear (4032) is meshed with the first small gear (4023); The bottom plate (401) is rotatably connected to the third gear pair (404), the third gear pair (404) comprising a third gear shaft (4041), a third large gear (4042) fixedly connected to the third gear shaft (4041), and a third small gear (4043), the third large gear (4042) being meshed with the second small gear (4033); The fourth gear pair (405) is rotatably connected to the bottom plate (401), and the fourth gear pair (405) includes a fourth gear shaft (4051) and a fourth large gear (4052) and a fourth small gear (4053) fixedly connected to the fourth gear shaft (4051). The fourth large gear (4052) is meshed with the third small gear (4043), and the fourth small gear (4053) is dynamically connected to the valve port assembly (500).

3. The damper actuator according to claim 2, characterized in that: The valve port assembly (500) includes a valve sleeve (501) rotatably connected to the housing (100), a sector tooth (502) fixedly connected to the valve sleeve (501), the sector tooth (502) meshingly connected to the fourth pinion (4053), and a U-shaped buckle (503) matching the valve sleeve (501).

4. The damper actuator according to claim 2, characterized in that: The angle feedback mechanism (800) comprises a ring shaft (801), a fifth large gear (802), a fifth small gear (803), a sixth gear (804), a feedback shaft (805), and a feedback knob (806). The ring shaft (801) is rotatably connected in the housing (100), the fifth large gear (802) is fixedly connected to the ring shaft (801), the fifth large gear (802) is meshed with the fourth small gear (4053), and the ring shaft (80 1) is fixedly connected to the fifth pinion (803), the feedback shaft (805) is rotatably connected in the housing (100), the sixth gear (804) is fixedly connected to the feedback shaft (805), the sixth gear (804) is meshed with the fifth pinion (803), the feedback shaft (805) is sleeved with the feedback knob (806), the housing (100) is provided with a knob groove, and the feedback knob (806) is located in the knob groove.

5. The damper actuator according to claim 1, characterized in that: The invention also includes a cable connector (900), wherein the housing (100) is provided with a slide groove (901), the housing (100) is provided with a buckle (902) on one side of the slide groove (901), the cable connector (900) is provided with a slide rail (903) matching the slide groove (901), the cable connector (900) is provided with a card slot (904) matching the card slot (902), the slide rail (903) is slidably connected in the slide groove (901), and the card slot (902) is snapped in the card slot (904).

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