Assembly for robot leg steering engine

By improving the housing and connection structure of the robot's leg servo motor, and using a combination of studs, internal gear rings, and spline sleeves, the problem of difficult installation and disassembly in the existing technology has been solved, enabling rapid installation and disassembly and improving maintenance efficiency.

CN223905165UActive Publication Date: 2026-02-13SHENZHEN AIXIRUI TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520618936.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-02-13
Estimated Expiration
2035-04-03

AI Technical Summary

Technical Problem

The existing robot leg servo motors have a fixed connection between the motor and the reducer, which makes installation and disassembly difficult and increases the maintenance burden.

Method used

The structure consists of a first housing, a second housing, and a mounting bracket. Through the combination of studs, internal gear rings, spur gears, and spline sleeves, it enables quick installation and disassembly, reducing reliance on couplings.

Benefits of technology

This improved the efficiency of installing and removing robot leg servos, reduced maintenance difficulty, and increased repair efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an assembly for a robot leg steering engine, which relates to the technical field of robots, and comprises a first shell, a second shell and a mounting rack which are sequentially arranged, one side of the first shell is fixedly connected with a first side cover, one side of the first side cover is fixedly provided with a motor, and the motor is fixedly connected with a second side cover. The rotating rod rotates to drive the bevel gear to rotate, the bevel gear ring can drive the inner gear ring to rotate, then the multiple straight gears and the multiple studs can be driven to rotate at the same time, the multiple straight gears and the multiple studs can be driven to rotate, and the multiple straight gears and the multiple studs can be driven to rotate at the same time. Through cooperation of the threaded holes, the first shell or the mounting frame can be quickly mounted and dismounted conveniently, the maintenance efficiency is improved, the two ends of the speed reducer are connected with the corresponding first spline shaft and the second spline shaft through the spline sleeves, connection through a coupler is not needed, and therefore the mounting speed can be further increased.
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Description

TECHNICAL FIELD

[0001] The utility model relates to robot technical field, concretely for the assembly for robot leg rudder machine. BACKGROUND

[0002] The rudder machine is a very important part in the robot motion control, is usually installed in the joint part of the robot. Through the rotation or the rotation angle of control rudder machine, can realize the accurate positioning and motion control of each part of the robot, through the retrieval, the patent of Chinese patent publication No. CN209600672U discloses a multi-legged robot leg assembly, including first rudder machine, second rudder machine, third rudder machine, crank connecting rod mechanism, shank support, the first rudder machine includes the first motor and first speed reducer of assembly connection, the second rudder machine includes the second motor and second speed reducer of assembly connection, the third rudder machine includes the third motor and screw mechanism of assembly connection.

[0003] The above technical scheme although joint output position is accurate, compact structure, but each motor and speed reducer in its technical scheme are assembly fixed connection, and its internal structure is smaller, when installing and disassembling, there is certain difficulty, thereby will increase the maintenance burden. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides the assembly for robot leg rudder machine, solves the problem proposed in the background art.

[0005] To achieve the above object, the utility model is realized through the following technical scheme: the assembly for robot leg rudder machine, including the first shell, second shell and mounting bracket that are sequentially arranged, one side of the first shell is fixedly connected with the first side cover, one side of the first side cover is fixedly installed with the motor, the inside of the second shell is fixedly installed with the speed reducer, and the transmission mechanism is installed between the both ends of the speed reducer and the motor and the mounting bracket, and the connecting mechanism is installed between the both sides of the second shell and the first side cover and the mounting bracket;

[0006] The connecting mechanism includes the plurality of studs that are rotatably connected on the both sides of the outer surface of the second shell in annular array, the first side cover and the mounting bracket are all provided with the threaded hole matched with the stud on one side, the both sides of the inner wall of the second shell are rotatably connected with the internal gear ring, one end of the stud is fixedly connected with the spur gear engaged with the internal gear ring, and the internal gear ring rotation can drive the plurality of spur gears and studs to rotate simultaneously, so that the effect of quick installation and disassembly can be achieved.

[0007] Preferably, two mounting holes are formed on the outer surface of the second shell, a rotating rod is rotatably connected in the mounting holes, a bevel gear is fixedly connected to one end of the rotating rod, and a ring gear is fixedly connected to one side of the inner gear ring and engaged with the bevel gear.

[0008] Preferably, a sealing rubber plug is embedded in the mounting hole, which can not only seal the mounting hole and protect the internal structure, but also ensure the flatness of the surface of the second shell and improve the aesthetic appearance.

[0009] Preferably, the transmission mechanism comprises a first spline shaft fixedly connected to the motor output shaft, a second spline shaft fixedly connected to one side of the mounting bracket, and a spline sleeve fixedly connected to the input end and the output end of the speed reducer and matched with the first spline shaft and the second spline shaft, so that the first spline shaft and the second spline shaft are matched with the corresponding spline sleeves for convenient quick connection and installation.

[0010] Preferably, second side covers are embeddedly and fixedly installed on both sides of the second shell, so as to conveniently seal both sides of the second shell.

[0011] Preferably, central holes are formed in the outer surfaces of the first side cover and the second side cover, so as to facilitate the installation of the transmission mechanism.

[0012] The utility model provides a total assembly for robot leg steering engine.

[0013] The total assembly for robot leg steering engine, the rotating rod drives the bevel gear to rotate, can drive the inner gear ring to rotate through the ring gear, and can simultaneously drive a plurality of spur gears and studs to rotate, so as to conveniently realize the quick installation and disassembly of the first shell or the mounting bracket, improve the maintenance efficiency, and connect the two ends of the speed reducer with the corresponding first spline shaft and second spline shaft through the spline sleeve, without the need of connecting through the shaft coupling, so that the installation speed can be further improved. ACCURACY OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model;

[0015] Figure 2 It is a structure schematic view of the first shell and motor of the utility model;

[0016] Figure 3 It is a structure schematic view of the mounting bracket and second spline shaft of the utility model;

[0017] Figure 4 It is a structure schematic view of the speed reducer and second side cover of the utility model;

[0018] Figure 5 It is the structural schematic view of the second shell of the utility model;

[0019] Figure 6 It is the structural schematic view of the connecting mechanism of the utility model;

[0020] Figure 7 It is the structural schematic view of the utility model; Figure 6 It is the enlarged view of A in the middle.

[0021] In the drawing, 1, first shell;2, second shell;3, mounting frame;4, first side cover;5, motor;6, speed reducer;7, stud;8, inner ring gear;9, straight gear;10, mounting hole;11, rotating rod;12, bevel gear;13, bevel gear ring;14, sealing rubber plug;15, first spline shaft;16, second spline shaft;17, spline sleeve;18, second side cover. DETAILED DESCRIPTION

[0022] 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 in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] As shown in Figure 1 , Figure 6 and Figure 7 , the assembly for the robot leg steering engine comprises first shell 1, second shell 2 and mounting frame 3 arranged in sequence, one side of first shell 1 is fixedly connected with first side cover 4, one side of first side cover 4 is fixedly installed with motor 5, the inside of second shell 2 is fixedly installed with speed reducer 6, connecting mechanism is installed between the two sides of second shell 2 and first side cover 4 and mounting frame 3, the connecting mechanism comprises a plurality of studs 7 which are rotatably connected in annular array on the two sides of the outer surface of second shell 2, the one side of first side cover 4 and mounting frame 3 is provided with threaded hole matched with stud 7, the two sides of the inner wall of second shell 2 are rotatably connected with inner ring gear 8, one end of stud 7 is fixedly connected with straight gear 9 engaged with inner ring gear 8. Two mounting holes 10 are formed on one side of the outer surface of second shell 2, rotating rod 11 is rotatably connected in the inside of mounting hole 10, one end of rotating rod 11 is fixedly connected with bevel gear 12, one side of inner ring gear 8 is fixedly connected with bevel gear ring 13 engaged with bevel gear 12. Sealing rubber plug 14 is embedded and installed in the inside of mounting hole 10.

[0025] In use, the rotating rod 11 rotates, driving the bevel gear 12 to rotate. Through the bevel gear ring 13, the internal gear ring 8 can rotate, which in turn can simultaneously drive multiple spur gears 9 and studs 7 to rotate. With the cooperation of the threaded holes, the first housing 1 or the mounting bracket 3 can be quickly installed and disassembled, improving maintenance efficiency.

[0026] Example 2:

[0027] like Figures 1 to 5 As shown, a transmission mechanism is installed between the two ends of the reducer 6 and the motor 5 and the mounting bracket 3. The transmission mechanism includes a first splined shaft 15 fixedly connected to the output shaft of the motor 5, and a second splined shaft 16 fixedly connected to one side of the mounting bracket 3. Splined sleeves 17 that mate with the first splined shaft 15 and the second splined shaft 16 are fixedly connected to both the input and output ends of the reducer 6. Second side covers 18 are embedded and fixedly installed on both sides of the second housing 2. The outer surfaces of the first side cover 4 and the second side cover 18 are both provided with central holes.

[0028] Both ends of the reducer 6 are connected to the corresponding first spline shaft 15 and second spline shaft 16 via spline sleeves 17, eliminating the need for couplings and thus further improving installation speed.

[0029] Working principle: When in use, multiple sets of servo motors can be selected, and the first housing 1 of the servo motor is connected to the corresponding mounting bracket 3. The rotation of the corresponding motor 5 drives the mounting bracket 3 to rotate through the reducer 6, thereby realizing the multi-angle rotation of the robot's legs.

[0030] The rotation of the rotating rod 11 drives the bevel gear 12 to rotate, which in turn drives the internal gear ring 8 to rotate through the bevel gear ring 13. This, in turn, drives multiple spur gears 9 and studs 7 to rotate simultaneously. With the help of the threaded holes, the first housing 1 or the mounting bracket 3 can be quickly installed and disassembled, improving maintenance efficiency. Both ends of the reducer 6 are connected to the corresponding first spline shaft 15 and second spline shaft 16 through spline sleeves 17, eliminating the need for couplings and further improving installation speed.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0032] Furthermore, it should be understood that although the description is made according to the embodiments, not every embodiment contains only one independent technical solution, and the description is made in this way only for the sake of clarity, and the person skilled in the art should consider the description as a whole, and the technical solutions in each embodiment can also be combined appropriately to form other embodiments that the person skilled in the art can understand.

Claims

1. An assembly for a robot leg servo, comprising a first housing (1), a second housing (2) and a mounting bracket (3) arranged in sequence, characterized in that: One side of the first shell (1) is fixedly connected with a first side cover (4), one side of the first side cover (4) is fixedly installed with a motor (5), the inside of the second shell (2) is fixedly installed with a speed reducer (6), both ends of the speed reducer (6) are installed with a transmission mechanism between the motor (5) and the mounting bracket (3), both sides of the second shell (2) are installed with a connecting mechanism between the first side cover (4) and the mounting bracket (3). The connecting mechanism comprises a plurality of stud bolts (7) rotatably connected in an annular array on both sides of the outer surface of the second shell (2), the first side cover (4) and the mounting bracket (3) are each provided with a threaded hole on one side, which is matched with the stud bolt (7), both sides of the inner wall of the second shell (2) are rotatably connected with an internal gear ring (8), one end of the stud bolt (7) is fixedly connected with a spur gear (9) engaged with the internal gear ring (8).

2. The assembly for a robotic leg servo according to claim 1, wherein: A side of the outer surface of the second shell (2) is provided with two mounting holes (10), the inside of the mounting hole (10) is rotatably connected with a rotating rod (11), one end of the rotating rod (11) is fixedly connected with a bevel gear (12), one side of the internal gear ring (8) is fixedly connected with a bevel gear ring (13) engaged with the bevel gear (12).

3. The assembly for a robotic leg servo of claim 2, wherein: The inside of the mounting hole (10) is embeddedly installed with a sealing rubber plug (14).

4. The assembly for a robotic leg servo of claim 1, wherein: The transmission mechanism comprises a first spline shaft (15) fixedly connected with the output shaft of the motor (5), one side of the mounting bracket (3) is fixedly connected with a second spline shaft (16), the input end and the output end of the speed reducer (6) are each fixedly connected with a spline sleeve (17) matched with the first spline shaft (15) and the second spline shaft (16).

5. The assembly for a robotic leg servo of claim 1, wherein: Both sides of the second shell (2) are embeddedly and fixedly installed with a second side cover (18).

6. The assembly for a robotic leg servo of claim 5, wherein: The outer surface of the first side cover (4) and the second side cover (18) is each provided with a central hole.

Citation Information

Patent Citations

  • Leg assembly of multi-legged robot

    CN209600672U