Dual-output microminiature steering engine

Abstract

The utility model provides a double-output microminiature steering engine, and belongs to the technical field of steering engines. The double-output microminiature steering engine comprises a shell and a power assembly packaged in the shell. The power assembly comprises a motor, a gear set, a first output shaft and a second output shaft. The input end of the gear set is connected with the motor, the output end of the gear set is connected with the first output shaft, the gear set is used for transmitting driving force generated by the motor to the first output shaft, and a first bevel gear is installed on the first output shaft; the axis of the second output shaft and the axis of the first output shaft are located on different straight lines, a second bevel gear is installed on the second output shaft, and the second bevel gear is meshed with the first bevel gear. The two output ports are configured for the steering engine, driving force is synchronously provided for the two structures, the production cost can be reduced, the internal structure of the steering engine is compact in arrangement, the steering engine can be miniaturized, and the development requirement for structure miniaturization is met.

Description

Technical Field

[0001] The utility model belongs to the technical field of steering gears, and in particular relates to a dual-output micro-sized steering gear. Background Art

[0002] A servo is a position (angle) servo drive suitable for control systems that require constant and stable angle changes. It has been widely used in high-end remote-controlled toys such as airplanes, car and ship models, and remote-controlled robots. When multiple components need to be driven, the conventional approach is to deploy multiple servos to drive each component separately. This approach is not conducive to reducing production costs, and the increased number of servos also takes up too much space within the structure, hindering the development of miniaturization.

[0003] Therefore, it is necessary to provide a dual-output micro-servo to solve the above problems. Utility Model Content

[0004] The utility model provides a dual-output micro-servo, which is equipped with two output ports and provides driving force for two structures synchronously, thereby reducing production costs. In addition, the internal structure of the servo is compactly arranged and the servo itself can be miniaturized, meeting the development needs of structural miniaturization and effectively solving at least one technical problem mentioned in the background technology.

[0005] In order to solve the above technical problems, the utility model is achieved as follows:

[0006] A dual-output micro-servo, comprising:

[0007] case;

[0008] A power assembly is encapsulated in the housing, and the power assembly includes a motor, a gear set, a first output shaft and a second output shaft; the input end of the gear set is connected to the motor, and the output end is connected to the first output shaft, for transmitting the driving force generated by the motor to the first output shaft, and a first bevel gear is installed on the first output shaft; the axis of the second output shaft and the axis of the first output shaft are located on different straight lines, and a second bevel gear is installed on the second output shaft, and the second bevel gear is meshed with the first bevel gear.

[0009] As a preferred improvement, the shell includes a lower shell, a middle shell and an upper shell, the lower shell and the middle shell cooperate to form a first receiving space, the middle shell and the upper shell cooperate to form a second receiving space, the motor, the first bevel gear, the second output shaft and the second bevel gear are encapsulated in the first receiving space; the gear set is encapsulated in the second receiving space.

[0010] As a preferred improvement, a first output terminal is installed at the end of the first output shaft, and the end of the first output terminal away from the first output shaft passes through the upper shell and is exposed; a second output terminal is installed at the end of the second output shaft, and the end of the second output terminal away from the second output shaft passes through the middle shell and is exposed.

[0011] As a preferred improvement, the axis of the first output shaft is perpendicular to the axis of the second output shaft.

[0012] As a preferred improvement, the second output shaft is spaced below the first output shaft, and the first bevel gear is arranged at one end of the first output shaft close to the second output shaft; one end of the second output shaft is connected to the bearing, and the other end is connected to the second bevel gear, and the first bevel gear is suspended above the second output shaft and is located between the bearing and the second bevel gear.

[0013] As a preferred improvement, the transmission ratio between the first bevel gear and the second bevel gear is not equal to 1.

[0014] As a preferred improvement, the gear set includes an input gear, a multi-stage intermediate gear and an output gear, the input gear is mounted on the output shaft of the motor, the output gear is mounted on the first output shaft, the multi-stage intermediate gear includes a first-stage intermediate gear, a second-stage intermediate gear, a third-stage intermediate gear and a fourth-stage intermediate gear that are meshed in sequence, wherein: the first-stage intermediate gear includes a first large gear and a first small gear arranged coaxially, the number of teeth of the first small gear is less than the number of teeth of the first large gear, and the first large gear is meshed with the input gear; the second-stage intermediate gear includes a second large gear and a second small gear arranged coaxially, the number of teeth of the second small gear is less than the number of teeth of the second large gear, and the second large gear is meshed with the first small gear; the third-stage intermediate gear includes a third large gear and a third small gear arranged coaxially, the number of teeth of the third small gear is less than the number of teeth of the third large gear, and the third large gear is meshed with the second small gear; one side of the fourth-stage intermediate gear is meshed with the third small gear, and the other side is meshed with the output gear.

[0015] As a preferred improvement, the second-stage intermediate gears are spaced apart and arranged just above the motor, and the third-stage intermediate gears are spaced apart and arranged just above the first-stage intermediate gears.

[0016] The beneficial effects of the present invention are:

[0017] (1) Two output ports are configured for the servo. The first output shaft and the second output shaft can synchronously provide driving force for the two structures. There is no need to arrange two servos, which can reduce production costs and reduce the internal space required by the servo.

[0018] (2) The servo power components are arranged compactly, so that the servo itself can be miniaturized to meet the development needs of structural miniaturization. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional structural diagram showing a dual-output miniature servo provided by the present invention;

[0020] Figure 2 express Figure 1 The exploded structure diagram of the dual-output micro servo shown;

[0021] Figure 3 A schematic plan view showing the 2 power components. DETAILED DESCRIPTION

[0022] The following will be combined with 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 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.

[0023] Please refer to Figure 1-Figure 3 This embodiment provides a dual-output micro-servo, including a housing 10 and a power assembly 20 , wherein the power assembly 20 is encapsulated in the housing 10 .

[0024] The housing 10 includes a lower shell 11 , a middle shell 12 and an upper shell 13 . The lower shell 11 and the middle shell 12 cooperate to form a first receiving space, and the middle shell 12 and the upper shell 13 cooperate to form a second receiving space.

[0025] The power assembly 20 includes a motor 21 , a gear set 22 , a first output shaft 23 , and a second output shaft 24 .

[0026] The input end of the gear set 22 is connected to the motor 21, and the output end is connected to the first output shaft 23, for transmitting the driving force generated by the motor 21 to the first output shaft 23, and a first bevel gear 25 is installed on the first output shaft 23; the axis of the second output shaft 24 and the axis of the first output shaft 23 are located on different straight lines, and a second bevel gear 26 is installed on the second output shaft 24, and the second bevel gear 26 is engaged with the first bevel gear 25.

[0027] The second output shaft 24 is connected to the first output shaft 23 via a set of bevel gears, transferring power to the second output shaft 24. This provides the dual-output micro-servo with two output ports, enabling simultaneous driving of two components. Furthermore, the first and second output shafts 23, 24 are located on separate lines, enabling them to provide driving force to two components in different directions. Preferably, the axes of the first and second output shafts 23, 24 are perpendicular.

[0028] Preferably, the transmission ratio of the first bevel gear 25 and the second bevel gear 26 is not equal to 1, so that the first output shaft 23 and the second output shaft 24 can rotate at different speeds to meet the driving requirements of different structures.

[0029] The motor 21, first bevel gear 25, second output shaft 24, and second bevel gear 26 are enclosed within the first housing space; the gear set 22 is enclosed within the second housing space. A first output terminal 27 is mounted on the end of the first output shaft 24, with the end of the first output terminal 27 distal to the first output shaft 24 protruding from the upper housing 13 and exposed to the outside. A second output terminal 28 is mounted on the end of the second output shaft 24, with the end of the second output terminal 28 distal to the second output shaft 24 protruding from the middle housing 12 and exposed to the outside. These first and second output terminals 27, 28 serve as connections to external structures and facilitate power transmission.

[0030] The gear set 22 includes an input gear 221, a multi-stage intermediate gear 222 and an output gear 223. The input gear 221 is mounted on the output shaft of the motor 21, and the output gear 223 is mounted on the first output shaft 23. The input end of the multi-stage intermediate gear 222 is meshed with the input gear 221, and the output end is meshed with the output gear 223 to achieve power transmission.

[0031] Specifically, the intermediate gear 222 includes a first-stage intermediate gear 2221, a second-stage intermediate gear 2222, a third-stage intermediate gear 2223, and a fourth-stage intermediate gear 2224 that mesh in sequence, wherein:

[0032] The first-stage intermediate gear 2221 includes a first large gear and a first small gear coaxially arranged, the number of teeth of the first small gear is smaller than the number of teeth of the first large gear, and the first large gear is meshed with the input gear;

[0033] The second-stage intermediate gear 2222 includes a second large gear and a second small gear coaxially arranged, the number of teeth of the second small gear is smaller than the number of teeth of the second large gear, and the second large gear is meshed with the first small gear;

[0034] The third-stage intermediate gear 2223 includes a coaxially arranged third large gear and a third small gear, the number of teeth of the third small gear is smaller than the number of teeth of the third large gear, and the third large gear is meshed with the second small gear;

[0035] One side of the fourth-stage intermediate gear 2224 is meshed with the third pinion gear, and the other side is meshed with the output gear 223 .

[0036] The second-stage intermediate gears 2222 are spaced apart and arranged directly above the motor 21, and the third-stage intermediate gears 2223 are spaced apart and arranged directly above the first-stage intermediate gears 2221. Compared with the traditional arrangement of all gears in a horizontal direction, this arrangement fully utilizes the space in the longitudinal direction, making the arrangement of the gear set 22 compact, and thus allowing the servo to be designed into a more miniaturized structure.

[0037] It should be noted that the gears at each level in the gear set 22 can be installed using a conventional structure in the art, and also need to include gear shafts, bearings and other related components, which will not be elaborated in this embodiment.

[0038] Specifically, the output gear 223 is sleeved on the periphery of the first output shaft 23, the second output shaft 24 is spaced below the first output shaft 23, and the first bevel gear 25 is disposed at one end of the first output shaft 23 near the second output shaft 24. One end of the second output shaft 24 is connected to a bearing, and the other end is connected to the second bevel gear 26. The first bevel gear 25 is suspended above the second output shaft 24 and located between the bearing and the second bevel gear 26. In traditional bevel gear connection schemes, the two shafts connecting the bevel gears are usually directly butted end to end, and the outward extension of the two shafts requires additional space. In the solution of the present utility model, the second bevel gear 26 is arranged in the opposite direction, so that the area where the two bevel gears mesh coincides with the area where the second output shaft 24 is located. This can fully utilize space and further enable the servo to be designed into a more miniaturized structure.

[0039] The embodiments of the present invention are described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present invention, ordinary technicians in this field can also make many forms without departing from the scope of protection of the purpose of the present invention and the claims, all of which are within the protection of the present invention.

Claims

1. A dual-output miniature servo, characterized in that: include: case; A power assembly is encapsulated in the housing, and the power assembly includes a motor, a gear set, a first output shaft and a second output shaft; the input end of the gear set is connected to the motor, and the output end is connected to the first output shaft, for transmitting the driving force generated by the motor to the first output shaft, and a first bevel gear is installed on the first output shaft; the axis of the second output shaft and the axis of the first output shaft are located on different straight lines, and a second bevel gear is installed on the second output shaft, and the second bevel gear is meshed with the first bevel gear.

2. The dual-output micro-sized servo according to claim 1, characterized in that: The shell includes a lower shell, a middle shell and an upper shell. The lower shell and the middle shell cooperate to form a first receiving space, and the middle shell and the upper shell cooperate to form a second receiving space. The motor, the first bevel gear, the second output shaft and the second bevel gear are encapsulated in the first receiving space; the gear set is encapsulated in the second receiving space.

3. The dual-output micro-sized servo according to claim 2, characterized in that: A first output terminal is installed at the end of the first output shaft, and an end of the first output terminal away from the first output shaft passes through the upper shell and is exposed; a second output terminal is installed at the end of the second output shaft, and an end of the second output terminal away from the second output shaft passes through the middle shell and is exposed.

4. The dual-output micro-sized servo according to claim 1, characterized in that: An axis of the first output shaft is perpendicular to an axis of the second output shaft.

5. The dual-output micro-sized servo according to claim 1, characterized in that: The second output shaft is arranged below the first output shaft, and the first bevel gear is arranged at one end of the first output shaft close to the second output shaft; one end of the second output shaft is connected to the bearing, and the other end is connected to the second bevel gear, and the first bevel gear is suspended above the second output shaft and located between the bearing and the second bevel gear.

6. The dual-output micro-sized servo according to claim 1, characterized in that: The transmission ratio of the first bevel gear and the second bevel gear is not equal to 1.

7. The dual-output micro-sized servo according to claim 1, characterized in that: The gear set includes an input gear, a multi-stage intermediate gear and an output gear, the input gear is mounted on the output shaft of the motor, the output gear is mounted on the first output shaft, the multi-stage intermediate gear includes a first-stage intermediate gear, a second-stage intermediate gear, a third-stage intermediate gear and a fourth-stage intermediate gear that are meshed in sequence, wherein: the first-stage intermediate gear includes a first large gear and a first small gear arranged coaxially, the number of teeth of the first small gear is smaller than the number of teeth of the first large gear, and the first large gear is meshed with the input gear; the second-stage intermediate gear includes a second large gear and a second small gear arranged coaxially, the number of teeth of the second small gear is smaller than the number of teeth of the second large gear, and the second large gear is meshed with the first small gear; the third-stage intermediate gear includes a third large gear and a third small gear arranged coaxially, the number of teeth of the third small gear is smaller than the number of teeth of the third large gear, and the third large gear is meshed with the second small gear; one side of the fourth-stage intermediate gear is meshed with the third small gear, and the other side is meshed with the output gear.

8. The dual-output micro-sized servo according to claim 7, characterized in that: The second-stage intermediate gears are spaced apart and arranged just above the motor, and the third-stage intermediate gears are spaced apart and arranged just above the first-stage intermediate gears.

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