A servo-driven swing arm and model display robot

Abstract

The present invention proposes a servo-driven swing arm, which relates to the technical field of display models. The servo-driven swing arm of the present invention adopts a technical solution including a simulation arm, a quick-change assembly and a servo drive assembly, one end of the quick-change assembly is detachably connected to the simulation arm, the servo drive assembly includes a servo driver, and the other end of the quick-change assembly is transmission-connected to the servo driver, which has the beneficial effects of adjustable swing arm and stable swing arm. The present invention also proposes a model display robot, including the above-mentioned servo-driven swing arm, and also including a trunk, the servo driver is connected to the trunk, and has the beneficial effects of adjustable swing arm and good display effect.

Description

Technical Field

[0001] The invention relates to the technical field of display models, and in particular to a servo-driven swing arm and a model display robot. Background Art

[0002] With the development of society and the continuous improvement of people's living standards, the public's requirements for life are getting higher and higher, which is most directly reflected in the public's daily wear. Modern people's requirements for clothing are no longer just satisfied with having clothes to wear, but the pursuit of tasteful clothes.

[0003] In order to better display the characteristics of clothes and the taste they bring, many businesses often use models to display, so as to show the design effects of designed clothes and leather products. Display models are an important tool for clothing display, with advantages such as three-dimensional, prominent product image, distinctive style, and suitable for conveying the purpose of products. The clothes worn by display models can better set off the appearance of the clothes, thereby attracting customers.

[0004] However, since most of the display models in current clothing stores are fixed, the display effect is relatively simple. Therefore, the prior art needs to be improved. Summary of the invention

[0005] The object of the present invention is to provide a servo-driven swing arm, which can propose corresponding solutions to the problems existing in the prior art and has the beneficial effects of adjustable and stable swing arms.

[0006] Another object of the present invention is to provide a model display robot, which can propose corresponding solutions to the problems existing in the prior art and has the beneficial effects of adjustable swing arms and good display effects.

[0007] The embodiment of the present invention is achieved as follows:

[0008] In a first aspect, an embodiment of the present application provides a servo-driven swing arm, which includes a simulation arm, a quick-change assembly and a servo drive assembly, wherein one end of the quick-change assembly is detachably connected to the simulation arm, the servo drive assembly includes a servo drive, and the other end of the quick-change assembly is transmission-connected to the servo drive.

[0009] Through the technical solution of this embodiment, people adjust the rotation angle of the drive shaft through the servo driver. After the drive shaft rotates, it drives the quick-change assembly to rotate. The rotation of the quick-change assembly also drives the simulation arm to rotate. After the simulation arm reaches the predetermined position, it will not automatically loosen and droop under the restriction of the servo driver, thereby keeping the simulation arm stable. It is very convenient to use and has a good display effect.

[0010] In some embodiments of the present invention, the quick-change assembly includes a quick-change flange and a quick-change pin, the simulation arm is fixedly provided with a mounting flange, the mounting flange is provided with a connecting square shaft, the end face of the quick-change flange is provided with a connecting groove for accommodating the connecting square shaft, the side wall of the connecting square shaft is provided with a first pin hole, and the side wall of the quick-change flange is provided with a second pin hole which is connected to the connecting groove and for the quick-change pin to be inserted.

[0011] Through the technical solution of this embodiment, when the simulation arm and the quick-change assembly are connected, the connecting square shaft is aligned with the connecting groove and inserted until the left end face of the quick-change flange and the right end face of the mounting flange are in contact, and then the quick-change pin is inserted along the second pin hole until the bottom end of the quick-change pin is inserted into the first pin hole to achieve the connection between the simulation arm and the quick-change assembly. The quick-change pin plays a limiting role to prevent the connection groove and the connecting square shaft from being separated, and the fixing effect is better. When disassembly is required, the quick-change pin can be pulled out, and disassembly is very convenient. The cooperation between the connecting square shaft and the connecting groove can prevent the quick-change flange and the mounting flange from sliding relative to each other, the transmission effect is better, and the angle adjustment of the simulation arm is more accurate.

[0012] In some embodiments of the present invention, a connection base adapted to the connection groove is provided at the end of the connection square shaft, and the connection base is fixedly connected to the mounting flange.

[0013] Through the technical solution of this embodiment, the contact area between the connecting base and the quick-change flange is larger, which plays a role in sharing the torque borne by the connecting square shaft and prolongs the service life.

[0014] In some embodiments of the present invention, a coupling assembly is further included, wherein the coupling assembly includes a coupling flange and a coupling fixedly connected to each other, the coupling flange is connected to the quick-change flange, and the end face of the coupling is provided with an axial hole for inserting the drive shaft of the servo drive.

[0015] Through the technical solution of this embodiment, the structure is simple, the connection is reliable, and the transmission effect is also good.

[0016] In some embodiments of the present invention, the side wall of the coupling is provided with a plurality of screw holes communicating with the shaft hole, and fixing screws are inserted into the screw holes.

[0017] Through the technical solution of this embodiment, when the drive shaft is fully inserted into the shaft hole, the two fixing screws are screwed downward until the bottom of the fixing screws are pressed against the surface of the drive shaft, thereby increasing friction through the extrusion force to prevent the drive shaft from detaching from the shaft hole. The fixing method is simple and the fixing effect is good.

[0018] In some embodiments of the present invention, the end surface of the coupling away from the shaft hole is provided with a first connecting hole, and the coupling flange is provided with a second connecting hole aligned with the first connecting hole.

[0019] Through the technical solution of this embodiment, a screw is inserted from the second connection hole of the coupling flange and then enters the first connection hole. The first connection hole and the screw are threadedly connected, which has a simple structure and a reasonable design.

[0020] In some embodiments of the present invention, the servo drive assembly further includes a mounting seat, and the mounting seat is connected to the servo drive.

[0021] Through the technical solution of this embodiment, the structure is simple and the installation effect is good.

[0022] In some embodiments of the present invention, a bearing is disposed in the mounting seat, and a drive shaft of the servo driver passes through the bearing.

[0023] Through the technical solution of this embodiment, the bearing can stably support the rotation of the drive shaft, and the power transmission is more stable.

[0024] In a second aspect, an embodiment of the present application provides a model display robot, which includes a servo-driven swing arm and a torso, and the servo drive is connected to the torso.

[0025] Through the technical solution of this embodiment, people adjust the rotation angle of the simulation arm through the servo driver, and the simulation arm remains stable when it reaches the predetermined position. It is very convenient to use and has a good display effect.

[0026] In some embodiments of the present invention, a head is disposed at the top of the torso, and legs are disposed at the bottom of the torso.

[0027] Through the technical solution of this embodiment, the head and legs make the appearance of the model displaying the robot closer to a real person, and the display effect is also better.

[0028] Compared with the prior art, the embodiments of the present invention have at least the following advantages or beneficial effects:

[0029] In the first aspect, the embodiment of the present invention provides a servo-driven swing arm, which is mainly composed of three parts: a simulation arm, a quick-change assembly and a servo drive assembly, wherein the simulation arm is used to simulate a real person's arm to better show the effect of wearing clothes; the servo drive assembly is installed on the torso of the display model to drive the simulation arm to rotate to pose different actions; the quick-change assembly is used to connect with the simulation arm to achieve rapid installation and disassembly of the simulation arm for easy replacement. The servo drive assembly is mainly composed of a servo driver, which adopts a servo motor in the prior art. The servo motor in the prior art can adjust the speed arbitrarily within the rated speed according to the requirements of the computer program language in the pre-installed electric control box, and can be operated and terminated at any time and anywhere, meeting the requirements of people to adjust the swing angle of the simulation arm through electric control, and has strong overload resistance, lower noise than that of general motors, and has a certain self-locking function to prevent the simulation arm from automatically sagging after being raised. Taking the right simulation arm of the display model displayed in the front as an example, the drive shaft of the servo driver faces the left side, the right end of the quick-change assembly is fixedly connected to the drive shaft, and the left end of the quick-change assembly is detachably connected to the simulation arm. When in use, people use the servo driver to adjust the rotation angle of the drive shaft. After the drive shaft rotates, it drives the quick-change assembly to rotate. When the quick-change assembly rotates, it drives the simulation arm to rotate. After the simulation arm reaches the predetermined position, it will not automatically loosen and sag under the restriction of the servo driver, so that the simulation arm is kept stable. It is very convenient to use and has a good display effect. Therefore, the servo-driven swing arm provided by the embodiment of the present invention has the beneficial effects of adjustable swing arm and stable swing arm.

[0030] In the second aspect, an embodiment of the present invention provides a model display robot, which is mainly composed of a servo-driven swing arm and a trunk, and the servo driver is fixedly installed inside the trunk. When in use, people use the servo driver to adjust the rotation angle of the simulation arm, and the simulation arm reaches a predetermined position and remains stable, which is very convenient to use and has a good display effect. Therefore, the model display robot provided by the embodiment of the present invention has the beneficial effects of adjustable swing arm and good display effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0032] Figure 1 A schematic diagram of the internal structure of a servo-driven swing arm provided in an embodiment of the present invention;

[0033] Figure 2A schematic diagram of the three-dimensional structure of a simulation arm and a quick-change assembly provided in an embodiment of the present invention;

[0034] Figure 3 A schematic diagram of the three-dimensional structure of a coupling provided in an embodiment of the present invention;

[0035] Figure 4 A schematic diagram of the left end surface of a coupling provided in an embodiment of the present invention;

[0036] Figure 5 A schematic diagram of the three-dimensional structure of a coupling flange provided in an embodiment of the present invention.

[0037] Icon: 1-simulation arm, 101-mounting flange, 1011-connecting square shaft, 1012-first pin hole, 1013-connecting base, 2-quick change assembly, 201-quick change flange, 2011-groove, 2012-second pin hole, 202-quick change pin, 3-servo drive assembly, 301-servo drive, 3011-drive shaft, 302-mounting seat, 4-coupling assembly, 401-coupling flange, 4011-second connecting hole, 402-coupling, 4021-shaft hole, 4022-screw hole, 4023-first connecting hole, 403-fixing screw. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0039] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0041] In the description of the embodiments of the present invention, it should be noted that if the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the product of the invention is usually placed when used. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0042] Furthermore, the terms “first”, “second”, “third”, etc. are merely used for distinguishing descriptions and are not to be understood as indicating or implying relative importance.

[0043] In addition, the terms "horizontal" and "vertical" do not mean that the components must be absolutely horizontal or vertical, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure or component must be completely horizontal, but can be slightly tilted.

[0044] In the description of the embodiments of the present invention, "plurality" means at least 2.

[0045] In the description of the embodiments of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0046] Example 1

[0047] Please refer to Figures 1 to 5 , shown is a servo-driven swing arm provided by an embodiment of the present invention, and the specific structure is as follows.

[0048] The embodiment of the present application provides a servo-driven swing arm, which includes a simulation arm 1, a quick-change assembly 2 and a servo drive assembly 3, one end of the quick-change assembly 2 is detachably connected to the simulation arm 1, the servo drive assembly 3 includes a servo drive 301, and the other end of the quick-change assembly 2 is transmission-connected to the servo drive 301. Figure 1As shown, the servo-driven swing arm of the present invention is mainly composed of three parts: a simulation arm 1, a quick-change assembly 2 and a servo drive assembly 3, wherein the simulation arm 1 is used to simulate a real person's arm to better show the effect of wearing clothes; the servo drive assembly 3 is installed on the torso of the display model, and is used to drive the simulation arm 1 to rotate to pose different movements; the quick-change assembly 2 is used to connect with the simulation arm 1 to realize quick installation and disassembly of the simulation arm 1 for easy replacement.

[0049] Combination Figure 1 As shown, the servo drive assembly 3 is mainly composed of a servo driver 301. The servo driver 301 adopts a servo motor in the prior art. The servo motor in the prior art can adjust the speed arbitrarily within the rated speed according to the requirements of the computer program language in the pre-installed electric control box, and can be operated and terminated at any time and anywhere, meeting the requirements of people to adjust the swing angle of the simulation arm 1 through electric control, and has strong overload resistance, lower noise than that of general motors, and has a certain self-locking function to prevent the simulation arm 1 from automatically sagging after being raised. Taking the right simulation arm 1 of the display model shown in the front as an example, the drive shaft 3011 of the servo driver 301 faces the left side, the right end of the quick-change assembly 2 is fixedly connected to the drive shaft 3011, and the left end of the quick-change assembly 2 is detachably connected to the simulation arm 1.

[0050] In actual use, people adjust the rotation angle of the drive shaft 3011 through the servo driver 301. After the drive shaft 3011 rotates, it drives the quick-change component 2 to rotate. When the quick-change component 2 rotates, it drives the simulation arm 1 to rotate. After the simulation arm 1 reaches the predetermined position, it will not automatically loosen and sag under the restriction of the servo driver 301, thereby keeping the simulation arm 1 stable. It is very convenient to use and has a good display effect.

[0051] In some implementations of this embodiment, the quick-change assembly 2 includes a quick-change flange 201 and a quick-change pin 202. The simulation arm 1 is fixedly provided with a mounting flange 101, and the mounting flange 101 is provided with a connecting square shaft 1011. The end surface of the quick-change flange 201 is provided with a connecting groove 2011 for accommodating the connecting square shaft 1011, and the side wall of the connecting square shaft 1011 is provided with a first pin hole 1012. The side wall of the quick-change flange 201 is provided with a second pin hole 2012 that is connected to the connecting groove 2011 and for the quick-change pin 202 to be inserted. Figure 1 and Figure 2As shown, the quick-change assembly 2 is mainly composed of a quick-change flange 201 and a quick-change pin 202. The quick-change flange 201 is in the shape of a "hat" and is connected to the servo driver 301. The quick-change pin 202 adopts a pin in the prior art. The end of the simulation arm 1 is fixed to the mounting flange 101 by welding or screws, or is connected to the protrusion on the left end face of the mounting flange 101 by interference fit. The connecting square shaft 1011 adopts a quadrangular prism, and the left end of the connecting square shaft 1011 and the right end face of the mounting flange 101 are fixedly connected in an integrally formed manner. A connecting groove 2011 of the same size and shape as the connecting square shaft 1011 is provided inwardly on the left end face of the quick-change flange 201, and the connecting square shaft 1011 can be inserted into the connecting groove 2011. The second pin hole 2012 is opened vertically inward from the side wall of the quick-change flange 201, and the second pin hole 2012 is connected to the connecting groove 2011. At the same time, the first pin hole 1012 is opened on the side wall of the connecting square shaft 1011. Through the technical solution of this embodiment, when the simulation arm 1 and the quick-change assembly 2 are connected, the connecting square shaft 1011 is aligned with the connecting groove 2011 and inserted until the left end face of the quick-change flange 201 and the right end face of the mounting flange 101 are abutted, and then the quick-change pin 202 is inserted along the second pin hole 2012 until the bottom end of the quick-change pin 202 is inserted into the first pin hole 1012, so as to realize the connection between the simulation arm 1 and the quick-change assembly 2. The quick-change pin 202 plays a role of limiting, preventing the connection groove 2011 and the connecting square shaft 1011 from being separated, and the fixing effect is better. When disassembly is required, the quick-change pin 202 can be pulled out, and disassembly is very convenient. The cooperation between the connecting square shaft 1011 and the connecting groove 2011 can prevent the quick-change flange 201 and the mounting flange 101 from sliding relative to each other, thereby achieving a better transmission effect and making the angle adjustment of the simulation arm 1 more accurate.

[0052] In some implementations of this embodiment, a connection base 1013 adapted to the connection groove 2011 is provided at the end of the connection square shaft 1011, and the connection base 1013 is fixedly connected to the mounting flange 101. Figure 1 and Figure 2 As shown, the left end face of the connecting base 1013 with an octagonal cross section is fixedly connected to the right end face of the mounting flange 101, and the right end face of the connecting base 1013 is fixedly connected to the left end face of the connecting square shaft 1011. The mounting flange 101, the connecting base 1013, and the connecting square shaft 1011 can be integrally formed. The right part of the connecting groove 2011 completely accommodates the connecting square shaft 1011, and the left part of the connecting groove 2011 completely accommodates the connecting base 1013. Through the technical solution of this embodiment, the contact area between the connecting base 1013 and the quick-change flange 201 is larger, which plays a role in sharing the torque borne by the connecting square shaft 1011 and prolonging the service life.

[0053] In some implementations of this embodiment, a coupling assembly 4 is further included, the coupling assembly 4 includes a coupling flange 401 and a coupling 402 that are fixedly connected to each other, the coupling flange 401 is connected to the quick-change flange 201, and the end surface of the coupling 402 is provided with a shaft hole 4021 for inserting the drive shaft 3011 of the servo driver 301. Figure 1 and Figure 3 As shown, the servo-driven swing arm of this embodiment is also provided with a coupling assembly 4, which is used to drive and connect the servo driver 301 and the quick-change assembly 2. The coupling assembly 4 is mainly composed of a coupling flange 401 and a coupling 402. The left end face of the coupling flange 401 is fixedly connected to the quick-change flange 201, and is fixed by screws or welding. The outer shape of the coupling 402 is a cube shape, the left end face of the coupling 402 is fixedly connected to the right end face of the coupling flange 401, and the shaft hole 4021 is opened on the right end face of the coupling 402 and extends horizontally to the left. The cross section of the drive shaft 3011 of the servo driver 301 is non-circular (for example, semicircular, rectangular, etc.), and the cross section of the shaft hole 4021 is the same size and shape as the cross section of the drive shaft 3011. After the drive shaft 3011 is inserted, the transmission effect is better and slipping is avoided. Through the technical solution of this embodiment, the structure is simple, the connection is reliable, and the transmission effect is also better.

[0054] In some implementations of this embodiment, the side wall of the coupling 402 is provided with a plurality of screw holes 4022 communicating with the shaft hole 4021, and fixing screws 403 are inserted into the screw holes 4022. Figure 1 and Figure 3 As shown, in order to prevent the drive shaft 3011 from being separated from the shaft hole 4021, two screw holes 4022 are vertically opened on the side wall (the top surface can be selected) of the coupling 402, and each screw hole 4022 is inserted with a fixing screw 403, and the screw hole 4022 is connected with the internal shaft hole 4021. According to the technical solution of this embodiment, after the drive shaft 3011 is completely inserted into the shaft hole 4021, the two fixing screws 403 are screwed downward until the bottom of the fixing screws 403 is pressed against the surface of the drive shaft 3011, and the friction is increased by the extrusion force to prevent the drive shaft 3011 from being separated from the shaft hole 4021. The fixing method is simple and the fixing effect is good.

[0055] In some implementations of this embodiment, the end surface of the coupling 402 away from the shaft hole 4021 is provided with a first connection hole 4023, and the coupling flange 401 is provided with a second connection hole 4011 aligned with the first connection hole 4023. Figure 1 , Figure 3 and Figure 4As shown, four first connection holes 4023 are evenly formed on the left end face of the coupling 402, four second connection holes 4011 evenly penetrate the coupling flange 401, and the four second connection holes 4011 are aligned with the four first connection holes 4023. Through the technical solution of this embodiment, screws are inserted from the second connection holes 4011 of the coupling flange 401 and then enter the first connection holes 4023, and the first connection holes 4023 are threadedly connected with the screws, which has a simple structure and a reasonable design.

[0056] In some implementations of this embodiment, the servo drive assembly 3 further includes a mounting seat 302, and the mounting seat 302 is connected to the servo drive 301. Figure 1 As shown, the mounting seat 302 is a vertical plate, and the servo driver 301 is fixed to the right side wall of the mounting seat 302. The mounting seat 302 is convenient for connecting with the torso of the display model, thereby stably installing the servo driver 301. Through the technical solution of this embodiment, the structure is simple and the installation effect is good.

[0057] In some implementations of this embodiment, a bearing is disposed in the mounting seat 302, and the drive shaft 3011 of the servo driver 301 passes through the bearing. Figure 1 As shown, the bearing can be a cylindrical roller bearing in the prior art, and the bearing is installed at the inner center of the mounting seat 302, and the drive shaft 3011 of the servo driver 301 passes through the bearing and extends to the outside. Through the technical solution of this embodiment, the bearing can stably support the rotation of the drive shaft 3011, and the power transmission is more stable.

[0058] Example 2

[0059] This embodiment provides a model display robot, including the servo-driven swing arm in embodiment 1, and also including a trunk, and the servo driver 301 is connected to the trunk. Figure 1 As shown, the model display robot of the embodiment of the present application is mainly composed of a servo-driven swing arm and a trunk, and the servo driver 301 is fixedly installed inside the trunk. Through the technical solution of this embodiment, people adjust the rotation angle of the simulation arm 1 through the servo driver 301, and the simulation arm 1 reaches a predetermined position and remains stable, which is very convenient to use and has a good display effect.

[0060] Furthermore, the head simulates a real person's head and is installed on the top of the trunk, and the legs simulate real person's legs and are installed on the bottom of the trunk. Through the technical solution of this embodiment, the head and legs make the appearance of the model display robot closer to a real person, and the display effect is also better.

[0061] In summary, the embodiment of the present invention provides a servo-driven swing arm, which includes a simulation arm 1, a quick-change assembly 2 and a servo drive assembly 3, one end of the quick-change assembly 2 is detachably connected to the simulation arm 1, the servo drive assembly 3 includes a servo driver 301, and the other end of the quick-change assembly 2 is transmission-connected to the servo driver 301, which has the beneficial effects of adjustable swing arm and stable swing arm. The present invention also proposes a model display robot, including the servo-driven swing arm in embodiment 1, and also including a trunk, the servo driver 301 is connected to the trunk, and has the beneficial effects of adjustable swing arm and good display effect.

[0062] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A servo-driven swing arm, characterized in that: It comprises a simulation arm, a quick-change assembly and a servo drive assembly, wherein one end of the quick-change assembly is detachably connected to the simulation arm, the servo drive assembly comprises a servo drive, and the other end of the quick-change assembly is drivingly connected to the servo drive; The quick-change assembly includes a quick-change flange and a quick-change pin, the simulation arm is fixedly provided with a mounting flange, the mounting flange is provided with a connecting square shaft, the end surface of the quick-change flange is provided with a connecting groove for accommodating the connecting square shaft, the side wall of the connecting square shaft is provided with a first pin hole, and the side wall of the quick-change flange is provided with a second pin hole that is communicated with the connecting groove and for the quick-change pin to be inserted; It also includes a coupling assembly, the coupling assembly includes a coupling flange and a coupling that are fixedly connected to each other, the coupling flange is connected to the quick-change flange, the end face of the coupling is provided with an axial hole for inserting the drive shaft of the servo driver; the side wall of the coupling is provided with a plurality of screw holes that are connected to the axial hole, and fixing screws are inserted into the screw holes; the end face of the coupling away from the axial hole is provided with a first connecting hole, and the coupling flange is provided with a second connecting hole aligned with the first connecting hole; The end of the connecting square shaft is provided with a connecting base adapted to the connecting groove, and the connecting base is fixedly connected to the mounting flange; the servo drive assembly also includes a mounting seat, and the mounting seat is connected to the servo drive; a bearing is provided in the mounting seat, and the drive shaft of the servo drive passes through the bearing.

2. A model display robot, characterized in that: The servo-driven swing arm of claim 1 further comprises a trunk, the servo drive being connected to the trunk.

3. The model display robot according to claim 2, characterized in that: A head is disposed at the top of the torso, and legs are disposed at the bottom of the torso.

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