Miniature wire-to-board connector special for low-voltage humanoid robot joint module

Abstract

The utility model relates to medical instrument technical field especially a kind of low-voltage humanoid robot joint module special micro line end pair board end connector, including main body plastic shell, its rear end is provided with the recessed cavity of being convenient for wiring, its inside axial installation has two power terminals, and the rear end of the power terminal is connected with power wire harness, signal plastic shell is built-in in the recessed cavity, a plurality of signal terminals are arranged on the signal plastic shell, and the signal terminal front end axial installation is in main body plastic shell, rear end is connected with signal wire harness;Rear cover, it is installed in the rear end of main body plastic shell, to form airtight space in the recessed cavity behind main body plastic shell.The present application is through miniaturization structure design, large current channel integration and signal terminal modularization architecture, significantly improves the integration of joint module, environmental adaptability, reliability and manufacturability.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to a micro wire-to-board connector for low-voltage humanoid robot joint modules. Background Technology

[0002] Current humanoid robot joint modules strive for highly biomimetic structures, requiring overall dimensions to closely approximate the proportions of a human limb, resulting in a wide range of joint outer diameters. Existing standard connector products on the market cannot simultaneously meet the following stringent requirements within such a compact and variable installation space: 1. Extremely miniaturized: adaptable to installation limitations from extremely small joint spaces (outer diameter as low as 5mm) to large joint spaces (outer diameter up to 110mm); 2. High current transmission: Reliably carries the high operating current required for joint drive; 3. Manufacturability: Miniaturization reduces the assembly difficulty and cost of complex and precision components. Utility Model Content

[0003] The present invention aims to solve the above-mentioned defects and provide a micro wire-to-board connector for low-pressure humanoid robot joint modules.

[0004] To overcome the deficiencies in the background technology, the technical solution adopted by this utility model to solve its technical problem is: a micro wire-to-board connector for low-voltage humanoid robot joint modules, including a main body plastic shell, with a recessed cavity at the rear end for easy wiring, two power terminals axially installed inside the cavity, and the rear end of the power terminals connected to a power wire harness; a signal plastic shell is built into the cavity, and multiple signal terminals are provided on the signal plastic shell, with the front end of the signal terminals axially installed inside the main body plastic shell and the rear end connected to the signal wire harness; The back cover is installed at the rear end of the main plastic shell to create a sealed space in the recessed cavity behind the main plastic shell.

[0005] Further improvements include the main plastic shell and the back cover being connected by snap-fit.

[0006] Further improvements include injecting glue into the cavity at the rear end of the main plastic shell to form a glue layer.

[0007] Further improvements include soldering the exposed internal conductive core wires after stripping the outer sheath of the power harness to the rear end of the power terminal.

[0008] Further improvements include forming a sudden change region on the power harness that abruptly changes direction to one side, and the internal conductive core exposed after the outer sheath of the power harness is stripped is located on the sudden change region.

[0009] Further improvements include providing multiple receiving slots on the top of the signal housing, with terminal holes opened at the bottom of each receiving slot, and signal terminals installed in the terminal holes.

[0010] Further improvements include the installation of a sealing ring on the front end face of the main plastic shell.

[0011] The beneficial effects of this invention are as follows: This design solves the core pain point of connectors in humanoid robot joint modules in a three-pronged approach through miniaturized structural design, high-current channel integration, IP67 high-level protection sealing, and modular signal terminal architecture. This design significantly improves the integration, environmental adaptability, reliability, and manufacturability of the joint module, providing crucial electrical interconnection guarantees for achieving high performance, high reliability, and industrial applications of humanoid robots. Attached Figure Description

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0013] Figure 1 This is the explosive of this utility model. Figure 1 ; Figure 2 This is the explosive of this utility model. Figure 2 ; Figure 3 This is an assembly diagram of this utility model; Figure 4 This is a front view of the signal housing in this utility model; In the diagram, 1-main body plastic shell, 2-signal harness, 3-signal plastic shell, 4-signal terminal, 5-back cover, 6-adhesive layer, 7-power harness, 8-power terminal, 9-sealing ring; 301 - Receiving groove, 302 - Terminal hole. Detailed Implementation

[0014] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. All other embodiments obtained by those skilled in the art without creative effort in accordance with the embodiments of the basic utility model are within the scope of protection of this utility model.

[0015] refer to Figure 1 , Figure 2 and Figure 3A micro wire-to-board connector for low-voltage humanoid robot joint modules includes a main body plastic shell 1, with a plug-in end at the front end and a recessed cavity for wiring at the rear end. Two power terminals 8 are axially installed inside the cavity, and the rear ends of the power terminals 8 are connected to the power wire harness 7. A signal plastic shell 3 is built into the cavity, and multiple signal terminals 4 are provided on the signal plastic shell 3. The front ends of the signal terminals 4 are axially installed inside the main body plastic shell 1, and the rear ends are connected to the signal wire harness 2. The rear cover 5 is installed at the rear end of the main body plastic shell 1 to form a sealed space in the cavity behind the main body plastic shell 1. The signal plastic shell 3 and the power terminal 8 are held inside the main body plastic shell 1 by installing the rear cover 5.

[0016] This design features a compact structure that can adapt to installation limitations ranging from extremely small joint spaces (outer diameter as low as 5mm) to large joint spaces (outer diameter up to 110mm). It reliably carries the high operating current required for joint actuation and, under the premise of miniaturization, reduces the assembly difficulty and cost of complex and precision components. Furthermore, the power harness and model harness in this design can pass through the central hole of the joint module, greatly reducing the wiring difficulty of the humanoid robot.

[0017] In a specific embodiment, the main plastic shell 1 and the rear cover 5 are connected by a snap fastener. The snap fastener facilitates the disassembly of the main plastic shell 1. Through the elastic cooperation of the snap fastener, the main plastic shell 1 and the rear cover 5 can be easily separated without the need for additional tools, which greatly simplifies the disassembly operation process. It is especially convenient for the needs of quick disassembly during daily equipment maintenance, internal component repair or parts replacement.

[0018] In a specific embodiment, adhesive is uniformly injected into the cavity at the rear end of the main plastic shell 1. As the adhesive flows, it naturally fills the gaps inside the cavity, ultimately forming an adhesive layer 6. This adhesive layer 6 not only fills and wraps the welding points of the power harness 7 and power terminal 8, the crimping points of the signal terminal 4 and signal harness 2, and the harness exit point, but also absorbs the stress generated by harness vibration through the elastic deformation of the adhesive, preventing fatigue fracture of the connection points due to long-term shaking. Simultaneously, the insulating barrier formed after the adhesive cures can prevent the intrusion of moisture, dust, and other impurities, meeting the environmental requirements of harsh operating conditions such as automotive electronics. Furthermore, the adhesive layer 6 forms a chemical bond with the main plastic shell 1 and the harness insulation layer, giving the overall structure IP67 waterproof performance, effectively improving the service life and reliability of the terminal components.

[0019] In a specific embodiment, after the outer sheath is stripped from a specific location on the power harness 7, the exposed internal conductive core wire needs to be welded to the rear end of the power terminal 8. The welding part achieves reliable fusion between metals, reduces contact resistance, avoids heat loss due to poor connection, and ensures efficient transmission of high current between the power harness 7 and the terminal to meet the power output requirements of the equipment. The connection structure formed by welding must have sufficient tensile and vibration resistance to withstand the mechanical stress generated during the installation, use and maintenance of the harness, and prevent malfunctions such as loosening and breakage.

[0020] In a further embodiment, a sudden change region is formed on the power harness 7, and the internal conductive core exposed after the outer sheath of the power harness 7 is peeled off is located on the sudden change region. This structure improves the installation stability of the overall structure.

[0021] For specific embodiments, please refer to Figure 4 The signal housing 3 has multiple receiving slots 301 arranged in an orderly manner, providing a regular space foundation for the installation of subsequent components. The receiving slots 301 allow the rear end of the signal terminal 4 to be hidden within them. Each receiving slot 301 has a terminal hole 302 at its bottom, and the signal terminal 4 is installed within the terminal hole 302, ensuring that the signal terminal 4 remains within the terminal hole 302. The size of the terminal hole 302 is adapted to the specifications of the signal terminal 4, precisely matching the installation requirements of the signal terminal 4. During actual assembly, the signal terminal 4 is embedded into the terminal... Within the hole 302, the close fit between the inner wall of the terminal hole 302 and the outer wall of the signal terminal 4—including the physical clamping force formed by a moderate interference fit, and possibly the interlocking of the limiting groove on the inner side of the terminal hole 302 with the spring arm peeled off the surface of the signal terminal 4—stablely restricts the displacement of the signal terminal 4, ensuring that it always maintains the preset installation posture and position within the terminal hole 302. This effectively avoids loosening or falling off due to external forces such as vibration and insertion / removal, ensuring the stability of signal transmission. Further preferably, there are 10 signal terminals 4.

[0022] In a specific embodiment, a sealing ring 9 is embedded on the front end face of the main plastic shell 1. The embedded position is adapted to the contour of the front end face. Through the tight fit between the sealing ring 9 and the front end face, an effective sealing structure can be formed, thereby enhancing the anti-leakage performance of the main plastic shell 1.

[0023] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A low-voltage humanoid robot joint module dedicated micro wire-to-board connector, characterized in that, The device includes a main plastic shell (1), which has a recessed cavity at its rear end for easy wiring. Two power terminals (8) are axially installed inside the cavity, and the rear end of the power terminals (8) is connected to the power harness (7). A signal plastic shell (3) is built into the cavity, and multiple signal terminals (4) are provided on the signal plastic shell (3). The front end of the signal terminals (4) is axially installed inside the main plastic shell (1), and the rear end is connected to the signal harness (2). The rear cover (5) is installed at the rear end of the main plastic shell (1) to form a sealed space in the cavity behind the main plastic shell (1).

2. The low-voltage humanoid robot joint module dedicated micro wire-to-board connector of claim 1, wherein: The main plastic shell (1) and the back cover (5) are connected by snap fasteners.

3. The micro wire-to-board connector for low-voltage humanoid robot joint module according to claim 1, characterized in that: Glue is injected into the cavity at the rear end of the main plastic shell (1) to form a glue layer (6).

4. The low-voltage humanoid robot joint module dedicated micro wire-to-board connector of claim 1, wherein: The internal conductive core exposed after the outer sheath of the power harness (7) is stripped is welded to the rear end of the power terminal (8).

5. The micro wire-to-board connector for low-voltage humanoid robot joint module of claim 4, wherein: The power harness (7) forms a sudden change region on one side, and the internal conductive core exposed after the outer sheath of the power harness (7) is located on the sudden change region.

6. A low voltage humanoid robot joint module dedicated micro wire-to-board connector as claimed in claim 1, characterized in that: Multiple receiving slots (301) are provided on the upper part of the signal housing (3), and terminal holes (302) are opened at the bottom of each receiving slot (301), and signal terminals (4) are installed in the terminal holes (302).

7. The low-voltage humanoid robot joint module dedicated micro wire-to-board connector of claim 1, wherein: A sealing ring (9) is embedded on the front end face of the main plastic shell (1).

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