Actuator of planetary gear speed change structure

Abstract

The utility model discloses an actuator of a planetary gear speed change structure, and particularly relates to the technical field of actuators, which comprises a sealing box, a top box mounted at the top end of the sealing box, a top cover mounted at the top of the top box, a motor mounted in the top box, a driving gear mounted at the output end of the motor, and a first gear set in meshed connection with the driving gear, one side of the middle part of the second gear set is in meshed connection with a third gear set; one side of the bottom end of the third gear set is in meshed connection with a fan-shaped fluted disc; the fan-shaped fluted disc is coaxially connected with a turntable; a bundling hoop is mounted at the top end of the turntable; the top end of the manual fluted disc is connected with a sensing connecting shaft. A bottom plate is installed at the bottom of the sealing box. The utility model has the advantages that the noise reduction effect is obvious, the adjustment is accurate and flexible, the structure is compact and reasonable, the adjustment range is controllable, and the like, and can effectively meet the requirements of various industrial and life scenes on the performance of the actuator.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of actuator, more specifically, the utility model relates to an actuator with planetary gear variable speed structure. BACKGROUND

[0002] In the process of industrial automation and various equipment operation, the actuator as the key component to realize accurate control is crucial in performance.

[0003] Traditional actuators often face many problems when running, especially in noise control and regulation accuracy. In some strict noise environment, such as hospitals, precision electronic equipment manufacturing workshops, etc., the noise generated by the high-speed operation of the motor of the traditional actuator will interfere with the surrounding environment. On the one hand, the noise directly generated by the high-speed transmission of the motor is large, and there is a lack of effective noise reduction measures in the prior art, which leads to the spread of noise to the working area, affecting the normal operation of personnel work and equipment. On the other hand, the regulation mode of the traditional actuator is not flexible and accurate enough to meet the demand for regulation accuracy under different working conditions. In the application scene of air valve regulation, it is difficult to accurately control the opening degree, which further affects the overall performance of the system, such as inaccurate air volume control of the ventilation system, which will lead to poor indoor air quality or energy waste. In addition, the structural design of the traditional actuator also has defects, and the internal transmission components are not compact and reasonable in layout, which not only occupies a large space, but also is not conducive to maintenance and repair.

[0004] Therefore, an actuator with planetary gear variable speed structure is proposed. CONTENT OF THE UTILITY MODEL

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides an actuator with planetary gear variable speed structure to solve the problems raised in the background art.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: an actuator with planetary gear variable speed structure, comprising a sealed box, a top box is installed at the top end of the sealed box, a top cover is installed at the top of the top box, a motor is installed in the top box, a drive gear is installed at the output end of the motor, a first gear set is installed in the sealed box and connected with the drive gear, a second gear set is connected with the top end of the first gear set, a third gear set is connected with one side of the middle part of the second gear set, a sector gear disc is connected with one side of the bottom end of the third gear set, a rotating disc is coaxially connected with the sector gear disc, a binding hoop is installed at the top end of the rotating disc, a pointer is installed at the top end of the binding hoop, a manual gear disc is connected with the top end of the third gear set, a sensing connecting shaft is connected with the top end of the manual gear disc, and a bottom plate is installed at the bottom of the sealed box.

[0007] Preferably, a scale dial is arranged on the sealing box, a fixed disc connected with the rotating disc is arranged in the scale dial, sliding grooves are arranged on both sides of the fixed disc, and a limiting block is arranged in each sliding groove.

[0008] Preferably, protrusions are arranged on both sides of the rotating disc, and the height of the top surface of the protrusion is lower than the height of the limiting block.

[0009] Preferably, the first gear set comprises a gear one and a gear two, the gear one is coaxially arranged above the gear two, the diameter size of the gear two is larger than that of the gear one, and the gear two is meshed with the driving gear.

[0010] Preferably, the second gear set comprises a gear three and a gear four, the gear three is coaxially arranged above the gear four, the diameter size of the gear three is larger than that of the gear four, and the gear three is meshed with the gear one.

[0011] Preferably, the third gear set comprises a gear five, a gear six and a gear seven, the gear five is coaxially arranged above the gear six, the gear seven is coaxially arranged below the gear six, the diameter sizes of the gear five, the gear six and the gear seven gradually increase, the gear seven is meshed with the gear four, the gear six is meshed with the sector gear, and the gear five is meshed with the manual gear.

[0012] Preferably, the sealing box is connected with the bottom plate to form a sealing cavity, and the sealing cavity is filled with lubricating oil.

[0013] Preferably, a fixed plate is arranged at the bottom end of the motor, a protective shell is arranged at the bottom end of the fixed plate, a fixing frame connected with the output shaft of the motor is arranged in the protective shell, a connecting frame is connected in the fixing frame, a sun gear is arranged at the bottom end of the connecting frame, a plurality of planetary gears are meshed with the sun gear, a planet carrier is connected with the planetary gears, a gear ring meshed with the planetary gears is sleeved on the rotating disc, a rotating rod connected with the driving gear is arranged at the bottom end of the planet carrier, a shaft sleeve is sleeved on the rotating rod, and the shaft sleeve is press-connected at the top of the sealing box.

[0014] The technical effects and advantages of the utility model are as follows:

[0015] 1. The planetary gear transmission structure is adopted, the output end of the motor and each transmission gear set are sealed in the sealing box, the propagation of noise is effectively isolated, the sealing cavity formed by the sealing box and the bottom plate is filled with lubricating oil, each gear set is lubricated during operation, the lubrication effect is improved, the noise generated during the operation of the actuator is further reduced, and the actuator can meet the requirements of strict noise environment.

[0016] 2. Through the mutual meshing transmission of multiple gear sets, the precise control of the output of the actuator is realized, the opening of the air valve can be accurately adjusted, the scale disc and the pointer are matched, the opening size can be directly read, and therefore the air flow is accurately controlled.

[0017] 3. Through the compact layout of the components, the motor, the gear sets and the like are installed in the sealed box, space is saved, the overall installation and layout of the equipment are facilitated, meanwhile, the maintenance and repair of the actuator are facilitated, the maintenance cost is reduced, and the reliability and stability of the equipment are improved.

[0018] 4. Through the cooperation of the protrusions on the two sides of the rotating disc and the limiting blocks in the sliding grooves of the fixed disc, the rotating range of the rotating disc can be limited, the adjustment range of the actuator is accurately controlled, the damage of the equipment caused by excessive adjustment is avoided, and the use safety and stability of the actuator are further improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model.

[0020] Figure 2 It is a top box internal structure schematic view of the utility model.

[0021] Figure 3 It is a motor and each gear set connection structure schematic view of the utility model.

[0022] Figure 4 It is a driving gear and first gear set connection structure schematic view of the utility model.

[0023] Figure 5 It is a motor output shaft connection sun gear and planet wheel connection structure schematic view of the utility model.

[0024] Figure 6 It is a motor bottom and each planet wheel connection structure schematic view of the utility model.

[0025] Figure 7 It is a gear ring and each planet wheel connection structure schematic view of the utility model.

[0026] The figure mark is: 1, sealed box, 2, top box, 3, top cover, 4, fixed disc, 5, limiting block, 6, rotating disc, 7, bundle hoop, 8, pointer, 9, scale disc, 10, motor, 11, sensing connection shaft, 12, bottom plate, 13, first gear set, 14, second gear set, 15, third gear set, 16, fan-shaped toothed disc, 17, manual toothed disc, 18, driving gear, 19, protective shell, 20, fixed plate, 21, fixed frame, 22, connecting frame, 23, sun gear, 24, planet disc, 25, planet wheel, 26, shaft sleeve, 27, rotating rod, 28, gear ring. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] As shown in the accompanying Figures 1-7 An executor of a planetary gear variable speed structure, comprising a sealed box 1, a top box 2 is installed at the top end of the sealed box 1, a top cover 3 is installed at the top of the top box 2, a motor 10 is installed in the top box 2, a driving gear 18 is installed at the output end of the motor 10, the driving gear 18 is meshed with a first gear set 13 installed in the sealed box 1, the top end of the first gear set 13 is meshed with a second gear set 14, the middle side of the second gear set 14 is meshed with a third gear set 15, the bottom end of the third gear set 15 is meshed with a sector gear 16, the sector gear 16 is coaxially connected with a rotating disc 6, a binding hoop 7 is installed at the top end of the rotating disc 6, a pointer 8 is installed at the top end of the binding hoop 7, the top end of the third gear set 15 is meshed with a manual gear disc 17, the top end of the manual gear disc 17 is connected with a sensing connecting shaft 11, and a bottom plate 12 is installed at the bottom of the sealed box 1.

[0029] In specific implementation, the executor is installed on the regulating shaft of the air valve, so that the binding hoop 7 fixes the regulating shaft, in operation, the motor 10 is operated to rotate the first gear set 13, the first gear set 13 drives the second gear set 14 to rotate, the second gear set 14 drives the third gear set 15 to rotate, so that the third gear set 15 drives the sector gear 16 to rotate and drives the rotating disc 6 to rotate, thereby driving the binding hoop 7 to rotate, so that the indication of the pointer 8 changes, thereby adjusting the opening of the air valve, and the opening size can be directly read through the dial 9, so as to determine the size of the adjusted air flow, and the output end of the motor 10 and each gear set for transmission are installed in the sealed box 1, so that the structure layout is compact and reasonable, the noise of transmission can be isolated by the sealed box 1, and the transmission of each meshed gear set is smoother by filling lubricating oil, thereby reducing the noise generated during operation of the executor.

[0030] A dial 9 is arranged on the sealed box 1, a fixed disc 4 is installed in the inside of the dial 9 and rotationally connected with the rotating disc 6, sliding grooves are formed in the two sides of the fixed disc 4, and a limiting block 5 is installed in each sliding groove.

[0031] The rotating disc 6 is provided with a protrusion on each side, and the height of the top surface of the protrusion is lower than the height of the limiting block 5.

[0032] In the embodiment, the rotation of the rotating disc 6 is limited by the blocking of the protrusion by the limiting block 5, so that the adjustment range is controlled.

[0033] The first gear set 13 comprises a gear one and a gear two, the gear one is coaxially installed above the gear two, the diameter size of the gear two is larger than that of the gear one, and the gear two is in meshing connection with the driving gear 18.

[0034] The second gear set 14 comprises a gear three and a gear four, the gear three is coaxially installed above the gear four, the diameter size of the gear three is larger than that of the gear four, and the gear three is in meshing connection with the gear one.

[0035] The third gear set 15 comprises a gear five, a gear six and a gear seven, the gear five is coaxially installed above the gear six, the gear seven is coaxially installed below the gear six, the diameter sizes of the gear five, the gear six and the gear seven are gradually increased, the gear seven is in meshing connection with the gear four, the gear six is in meshing connection with the sector gear 16, and the gear five is in meshing connection with the manual gear 17.

[0036] In the embodiment, the driving gear 18 is driven to rotate by the motor 10, so that the gear two drives the gear one to rotate, the gear three in meshing connection with the gear one drives the gear four to rotate, the gear seven in meshing connection with the gear four drives the gear six to rotate, and the sector gear 16 in meshing connection with the gear six drives the rotating disc 6 to rotate, so that the adjustment work can be performed.

[0037] The sealing box 1 is connected with the bottom plate 12 to form a sealing cavity, and the sealing cavity is filled with lubricating oil.

[0038] In the embodiment, the sealing cavity formed by the connection of the sealing box 1 and the bottom plate 12 is filled with lubricating oil, so that the gears are lubricated during operation, the lubrication effect is improved, and the noise is reduced.

[0039] The motor 10 is provided with a fixed plate 20 at the bottom end, the fixed plate 20 is provided with a protective shell 19 at the bottom end, the protective shell 19 is provided with a fixing frame 21 connected with the output shaft of the motor 10, the fixing frame 21 is connected with a connecting frame 22, the connecting frame 22 is provided with a sun gear 23 at the bottom end, the sun gear 23 is in meshing connection with a plurality of planetary gears 25 outside, the planetary gears 25 are jointly connected with a planetary disc 24, the planetary disc 24 is sleeved with a gear ring 28 in meshing connection with the planetary gears 25 above, the planetary disc 24 is provided with a rotating rod 27 connected with the driving gear 18 at the bottom end, the rotating rod 27 is sleeved with a shaft sleeve 26, and the shaft sleeve 26 is press-connected to the top of the sealing box 1 at the bottom end.

[0040] In the implementation, the motor 10 is operated, the sun gear 23 at the bottom of the connecting frame 22 is rotated under the connection of the fixed frame 21, the external planetary gears 25 are engaged and rotated, the planetary disc 24 is driven to rotate, the rotating rod 27 at the bottom of the planetary disc 24 is rotated at a different rotating speed from the sun gear 23, the driving gear 18 is driven to rotate, the noise generated by the high-speed rotation of the output end of the motor 10 is reduced, and the noise reduction effect is further improved.

[0041] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An actuator of a planetary gear shift structure comprising a sealed case (1), characterized in that: The top end of the sealing box (1) is provided with a top box (2), the top of the top box (2) is provided with a top cover (3), a motor (10) is installed in the top box (2), a driving gear (18) is installed at the output end of the motor (10), the driving gear (18) is engaged with a first gear set (13) installed in the sealing box (1), the top end of the first gear set (13) is engaged with a second gear set (14), one side of the middle of the second gear set (14) is engaged with a third gear set (15), one side of the bottom end of the third gear set (15) is engaged with a sector gear (16), the sector gear (16) is coaxially connected with a rotating disc (6), a binding hoop (7) is installed at the top end of the rotating disc (6), a pointer (8) is installed at the top end of the binding hoop (7), the top end of the third gear set (15) is engaged with a manual gear disc (17), the top end of the manual gear disc (17) is connected with a sensing connecting shaft (11), and the bottom of the sealing box (1) is provided with a bottom plate (12).

2. An actuator of a planetary gear shift structure according to claim 1, characterized in that: The sealing box (1) is provided with a scale disc (9), the inside of the scale disc (9) is provided with a fixed disc (4) rotatably connected with the rotating disc (6), and the two sides of the fixed disc (4) are provided with sliding grooves, and the sliding grooves are provided with limit blocks (5).

3. An actuator of a planetary gear shift structure according to claim 2, characterized in that: The two sides of the rotating disc (6) are provided with protrusions, and the height of the top surface of the protrusion is lower than the height of the limit block (5).

4. An actuator of a planetary gear shift structure according to claim 3, characterized in that: The first gear set (13) comprises a gear one and a gear two, the gear one is coaxially installed above the gear two, the diameter size of the gear two is larger than that of the gear one, and the gear two is engaged with the driving gear (18).

5. An actuator of a planetary gear shift structure according to claim 4, characterized in that: The second gear set (14) comprises a gear three and a gear four, the gear three is coaxially installed above the gear four, the diameter size of the gear three is larger than that of the gear four, and the gear three is engaged with the gear one.

6. An actuator of a planetary gear shift structure according to claim 5, characterized in that: The third gear set (15) comprises a gear five, a gear six and a gear seven, the gear five is coaxially installed above the gear six, the gear seven is coaxially installed below the gear six, the diameter sizes of the gear five, the gear six and the gear seven gradually increase, the gear seven is engaged with the gear four, the gear six is engaged with the sector gear (16), and the gear five is engaged with the manual gear disc (17).

7. An actuator of a planetary gear shift structure according to claim 6, characterized in that: The sealing box (1) and the bottom plate (12) are connected to form a sealed cavity, and the sealed cavity is filled with lubricating oil.

8. An actuator of planetary gear shift structure according to claim 7, characterized in that: The motor (10) bottom is provided with fixed plate (20), the fixed plate (20) bottom is installed with protective shell (19), the protective shell (19) is provided with fixed frame (21) connected with the output shaft of motor (10) in, the fixed frame (21) is connected with connecting frame (22) in, the connecting frame (22) bottom is provided with sun gear (23), the sun gear (23) outside is engaged with a plurality of planetary gears (25), each the planetary gears (25) are jointly connected with planet carrier (24), the planet carrier (24) top is sleeved with ring gear (28) and is engaged with each planetary gear (25), the planet carrier (24) bottom is installed with the rotating rod (27) connected with driving gear (18), the rotating rod (27) is sleeved with shaft sleeve (26), and the shaft sleeve (26) bottom is crimped in the sealing box (1) top.

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