Miniature spindle component for rotary conductive connector
By employing a combination structure of an insulating shaft, conductive ring, and conductive wire in the rotary conductive connector, the high cost and complex assembly issues caused by bearing assemblies are resolved, improving the stability and reliability of the conductive connection, reducing production costs, and enhancing contact reliability in vibration environments.
Patent Information
- Application Number
- CN202423077600.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Existing rotary conductive connectors use bearing components, which are costly, and the conductive rings are cumbersome to assemble, resulting in low stability and reliability. They are also prone to falling off, especially in vibration environments.
It adopts a combination structure of an insulating shaft, a conductive ring, and a conductive wire. The conductive ring is embedded and fixed on the insulating shaft, and the conductive wire is electrically connected to the conductive ring and embedded in the insulating shaft. The annular contact surface of the conductive ring is coaxially arranged with the insulating shaft, thus avoiding the use of bearing assemblies.
The assembly process of the conductive ring is simplified, production costs are reduced, product production efficiency is improved, and the contact area and stability of the conductive brush are increased in vibration environment, ensuring the reliability of the circuit.
Smart Images
Figure CN223527586U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field technology of electric connector especially is a kind of micro main shaft component for rotating conductive connector. BACKGROUND
[0002] At present, in addition to meeting the general performance requirements, the particularly important requirement of electric connector is that electric connector must achieve good contact, reliable operation and convenient maintenance, and whether its reliable operation directly influences the normal operation of aircraft circuit, involves the safety of entire main machine.For this reason, main machine circuit has very strict requirement to the quality and reliability of electric connector, and also because of the high quality and high reliability of electric connector, it is also widely used in aviation, aerospace, national defense and other military systems.The commonly used classification methods of electric connector include appearance, structure, use and the like.
[0003] Rotating conductive connector is widely used in household appliances, security, communication equipment, automobile rotating conductive device field due to its convenient rotatable structure, greatly increases the flexibility of line;Rotating conductive connector in prior art mostly adopts bearing assembly to cooperate with conductive brush to realize rotatable conductive structure, but bearing assembly is high in cost, and assembling with conductive ring is complicated, seriously affects product production efficiency, and increases production cost;In addition, conductive ring is installed on one end face of bearing assembly, and the contact area of conductive ring available for conductive brush is small, and conductive brush is easy to fall off from conductive ring under vibration and other special environments, and the stability and reliability of contact are relatively low, greatly affect the stability of line.Therefore, it is necessary to study a scheme to solve the above problems. UTILITY MODEL CONTENTS
[0004] Therefore, the utility model mainly aims at the defects of prior art, and provides a micro main shaft component for rotating conductive connector, which can effectively solve the problems of high cost, complicated assembly of conductive ring and low overall stability and reliability of existing rotating conductive connector adopting bearing assembly.
[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A micro main shaft component for rotating conductive connector includes an insulating shaft body, a conductive ring and a conductive wire;The conductive ring is fixed by inlaying and forming on the insulating shaft body, and the conductive ring has an annular contact surface, which is exposed to the outer surface of the insulating shaft body and coaxially arranged with the insulating shaft body;One end of the conductive wire is electrically connected with the conductive ring and inlayed and formed in the insulating shaft body, and the other end of the conductive wire extends out of the insulating shaft body.
[0007] As a preferred scheme, the conductive ring is multiple, the multiple conductive rings are arranged along the axial direction of the insulating shaft body, and one conductive wire is arranged for each conductive ring, one end of each conductive wire is electrically connected with the corresponding conductive ring and is embedded and formed in the insulating shaft body, and the other end of each conductive wire extends out of the insulating shaft body, so that multiple connection lines are formed to meet the use requirement.
[0008] As a preferred scheme, the conductive ring comprises an inner metal cylinder and an outer metal cylinder, the outer metal cylinder is sleeved outside the inner metal cylinder and is tightly matched with the inner metal cylinder, the conductive wire is electrically connected with the inner metal cylinder, and the annular contact surface is located on the outer surface of the outer metal cylinder, so that the overall structural strength of the conductive ring is better.
[0009] As a preferred scheme, the rear end of the inner metal cylinder extends a riveting part rearward, the riveting part is riveted and fixed with the conductive wire and is in conductive connection, and the rear end inner wall of the outer metal cylinder is provided with a retaining ring, the retaining ring abuts against the rear end surface of the inner metal cylinder, so that the outer metal cylinder and the inner metal cylinder are combined stably and are not easy to be pulled out rearward.
[0010] As a preferred scheme, the insulating shaft body comprises a main body part and two mounting parts, the two mounting parts are integrally extended outward along the axial direction at two ends of the main body part, the outer diameter of the mounting part is smaller than that of the main body part, and the conductive ring is embedded and formed and fixed on the main body part.
[0011] As a preferred scheme, the annular contact surface protrudes from the outer surface of the main body part, so that the contact is more stable and reliable.
[0012] As a preferred scheme, the other end of the conductive wire extends out of one end surface of the insulating shaft body, so that the installation and connection are facilitated.
[0013] Compared with the prior art, the utility model has obvious advantages and beneficial effects, specifically speaking, it is known from the above technical scheme that:
[0014] By adopting the insulating shaft body, the conductive ring and the conductive wire are connected and are embedded and formed and fixed on the insulating shaft body, a bearing assembly is not needed, the conductive ring is simple to assemble, the product production efficiency is improved, the production cost is reduced, the annular contact surface of the conductive ring is exposed from the outer surface of the insulating shaft body and is coaxially arranged with the insulating shaft body, the contact area with the conductive brush is larger, the conductive brush is not easy to fall off from the conductive ring in a special environment such as vibration, the stability and reliability of the contact are higher, and the stability of the line is ensured.
[0015] In order to more clearly set forth the structural features and functions of the utility model, the utility model is described in detail below by combining with the drawings and specific embodiments. DRAWINGS
[0016] Fig. 1is an assembled three-dimensional schematic view of the preferred embodiment of the present utility model;
[0017] Fig. 2 is another angle assembled three-dimensional schematic view of the preferred embodiment of the present utility model;
[0018] Fig. 3 is an exploded view of the preferred embodiment of the present utility model;
[0019] Fig. 4 is a sectional view of the preferred embodiment of the present utility model.
[0020] Explanation of the attached drawings:
[0021] 10, insulating shaft body 11, main body part
[0022] 12, mounting part 20, conductive ring
[0023] 21, inner metal cylinder 211, rivet wire part
[0024] 22, outer metal cylinder 221, blocking ring
[0025] 201, annular contact surface 30, conductive wire. Specific implementation
[0026] Please refer to Figs. 1 to 4 It shows the specific structure of the preferred embodiment of the present utility model, including insulating shaft body 10, conductive ring 20 and conductive wire 30.
[0027] The insulating shaft body 10 includes main body part 11 and two mounting parts 12, the two mounting parts 12 are respectively extended to the two ends of the main body part 11 in the axial direction, and the outer diameter of the mounting part 12 is smaller than that of the main body part 11.
[0028] The conductive ring 20 is inlaid and formed fixedly on the insulating shaft body 10, and the conductive ring 20 has a ring-shaped contact surface 201 which is exposed on the outer surface of the insulating shaft body 10 and arranged coaxially with the insulating shaft body 10. In the embodiment, the conductive ring 20 is inlaid and formed fixedly on the main body part 11, and the ring-shaped contact surface 201 is protruded on the outer surface of the main body part 11, so that the contact is more stable and reliable. Specifically, the conductive ring 20 comprises an inner metal cylinder 21 and an outer metal cylinder 22, the rear end of the inner metal cylinder 21 extends rearwardly to form a riveting line part 211, the outer metal cylinder 22 is sleeved on the outer surface of the inner metal cylinder 21 and tightly matched with the inner metal cylinder 21, so that the overall structural strength of the conductive ring 20 is better, the ring-shaped contact surface 201 is located on the outer surface of the outer metal cylinder 22, and the rear end inner wall of the outer metal cylinder 22 is provided with a retaining ring 221 which abuts against the rear end surface of the inner metal cylinder 21, so that the outer metal cylinder 22 is combined stably with the inner metal cylinder 21 and is not easy to be pulled out rearwardly, and the riveting line part 211 extends rearwardly through the retaining ring 221.
[0029] One end of the conductive wire 30 is electrically connected with the conductive ring 20 and inlaid and formed in the insulating shaft body 10, and the other end of the conductive wire 30 is protruded out of the insulating shaft body 10. In the embodiment, the conductive wire 30 is electrically connected with the inner metal cylinder 21, the riveting line part 211 is riveted and fixed with the conductive wire 30 and electrically connected, the connection is simple and stable, and the other end of the conductive wire 30 is protruded out of one end surface of the insulating shaft body 10, so that the installation and connection are facilitated.
[0030] In addition, the conductive ring 20 is a plurality of conductive rings 20 which are arranged at intervals along the axial direction of the insulating shaft body 10, and one conductive wire 30 is arranged for each conductive ring 20, one end of each conductive wire 30 is electrically connected with the corresponding conductive ring 20 and inlaid and formed in the insulating shaft body 10, and the other end of each conductive wire 30 is protruded out of the insulating shaft body 10, so as to form a plurality of connection lines and meet the needs of use.
[0031] The manufacturing process of the embodiment is described in detail as follows:
[0032] Firstly, the riveting line part 211 of the inner metal cylinder 21 is riveted and fixed with one end of the conductive wire 30 and electrically connected, then the inner metal cylinder 21 is installed in the outer metal cylinder 22, the outer metal cylinder 22 is tightly matched with the inner metal cylinder 21 to form the conductive ring 20, and finally the conductive ring 20 and the conductive wire 30 which are assembled together are put into an injection mold to form the insulating shaft body 10 by injection molding.
[0033] The utility model discloses a design emphasis lies in: through adopting insulating axle body, cooperation conducting ring is connected with conducting wire and is all inlayed and is formed fixed on insulating axle body, need not adopt bearing assembly, conducting ring assembly is simple, is favorable to improve product production efficiency, reduce production cost, and the annular contact surface of conducting ring exposes the outer surface of insulating axle body and is arranged coaxially with insulating axle body, and its contact area with conducting brush is larger, and conducting brush is not easy to fall off with conducting ring under the special environment such as vibration, and the stability and reliability of contact are higher, guarantee the stability of circuit.
[0034] The above is only the preferred embodiment of the utility model, and does not make any limitation on the technical range of the utility model, so any slight modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiment still belong to the range of the technical scheme of the utility model.
Claims
1. A miniature spindle component for a rotary conductive connector, characterized in that: The electrically conductive ring is inlaid and formed on the insulating shaft body, and has a ring-shaped contact surface which is exposed on the outer surface of the insulating shaft body and coaxially arranged with the insulating shaft body; and the electrically conductive wire is electrically connected with the electrically conductive ring at one end and inlaid and formed in the insulating shaft body, and the other end of the electrically conductive wire is exposed outside the insulating shaft body.
2. A microspindle assembly for a rotating electrical connector according to claim 1, characterized in that: The electrically conductive ring is inlaid and formed on the insulating shaft body, and has a ring-shaped contact surface which is exposed on the outer surface of the insulating shaft body and coaxially arranged with the insulating shaft body; and the electrically conductive wire is electrically connected with the electrically conductive ring at one end and inlaid and formed in the insulating shaft body, and the other end of the electrically conductive wire is exposed outside the insulating shaft body.
3. The microspindle assembly for a rotating electrical connector of claim 1, wherein: The electrically conductive ring includes an inner metal cylinder and an outer metal cylinder, the outer metal cylinder is sleeved outside the inner metal cylinder and tightly matched with the inner metal cylinder, the electrically conductive wire is electrically connected with the inner metal cylinder, and the ring-shaped contact surface is located on the outer surface of the outer metal cylinder.
4. A microspindle assembly for a rotating electrical connector according to claim 3, wherein: The rear end of the inner metal cylinder extends rearward to form a riveting wire part, the riveting wire part is riveted and fixed with the electrically conductive wire and is in conductive connection, and the rear end inner wall of the outer metal cylinder is provided with a stop ring which abuts against the rear end surface of the inner metal cylinder.
5. The microspindle assembly for a rotating electrical connector of claim 1, wherein: The insulating shaft body includes a main body part and two mounting parts which are integrally extended outward from two ends of the main body part in the axial direction, the outer diameter of the mounting part is smaller than the outer diameter of the main body part, and the electrically conductive ring is inlaid and formed on the main body part.
6. A microspindle assembly for a rotating electrical connector according to claim 5, wherein: The ring-shaped contact surface is protruded from the outer surface of the main body part.
7. The microspindle assembly for a rotating electrical connector of claim 1, wherein: The other end of the electrically conductive wire is exposed outside one end surface of the insulating shaft body.