Novel axial contact finger spring shielding device and connector
By designing an inclined contact ring and an axial contact finger spring shielding device made of highly conductive material, the problem of unstable contact performance of traditional shielding rings was solved, achieving efficient electromagnetic shielding and stable electrical connection, thus improving the overall performance and lifespan of high-voltage connectors.
Patent Information
- Application Number
- CN202520227383.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-13
AI Technical Summary
Traditional shielding ring structures have unstable contact performance in high-voltage connection systems, which can easily lead to increased contact resistance, overheating, and increased signal transmission loss. In particular, the lateral contact finger springs have fewer contact points, resulting in unstable contact performance during use.
A novel axial contact finger spring shielding device is adopted, including an inclined contact ring and an axial contact finger shielding ring assembly made of highly conductive material. The contact ring consists of an arc-shaped area and a straight area, which increases the contact area and ensures tight contact in the axial direction. The plug connector is provided with a receiving groove to restrict axial movement.
It improves the stability and overall performance of electrical contacts, enhances electromagnetic shielding, reduces transmission loss, improves signal quality and device durability, and ensures the continuity and safety of electrical connections.
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Figure CN223912008U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to industrial electromagnetic shielding technical field especially relates to a novel axial contact finger spring shielding device and connector. BACKGROUND
[0002] In high-voltage connection system, shielding ring plays a key role in reducing electromagnetic interference, improving the stability and reliability of electrical equipment. The traditional shielding ring structure often has some shortcomings, for example, unstable contact performance, prone to contact resistance increase in long-term use, and further lead to heating, signal transmission loss increase and other problems. The existing shielding mode is a horizontal contact finger spring, which contacts through a contact point, and the contact point is less, and the contact performance is unstable in use. SUMMARY
[0003] The utility model aims at solving above-mentioned defect, provides a novel axial contact finger spring shielding device and connector.
[0004] In order to overcome the defects in the background art, the utility model adopts the technical scheme that a novel axial contact finger spring shielding device includes an axial contact finger shielding ring assembly, the axial contact finger shielding ring assembly includes a ring body and a plurality of contact rings uniformly distributed and loaded on the ring body.
[0005] The contact ring includes two arc-shaped regions and two straight line regions, and the two straight line regions and the two arc-shaped regions are arranged correspondingly.
[0006] Further improvement includes that the contact ring is inclined.
[0007] Further improvement includes that the axial contact finger shielding ring assembly is made of high-conductivity material.
[0008] A plug connector includes a plug assembly wrapped around the periphery of the axial contact finger shielding ring assembly, a cable is connected axially in the plug assembly, a shielding device is axially sleeved on the cable, and an accommodating groove for accommodating the axial contact finger shielding ring assembly is circumferentially formed in the shielding device.
[0009] The utility model discloses beneficial effect is: the axial contact finger spring shielding ring of this design adopts the coil design of inclination, and uses high conductivity material to make, and the contact ring can be along the axial direction and the ring body close contact, thereby realize good electrical contact, effectively improve high voltage connector overall performance and stability, axial contact finger spring has certain elasticity and resilience, can adapt the structure of connector in the installation and use process, keep close contact, ensure the continuity and stability of electrical connection, can restore its original shape and size when being subjected to external force, have longer service life and higher durability, the contact point of this design increases, and the contact area increases, even if in the process of operation, small displacement can also adjust the position and pressure of contact ring, and the contact performance is stable, and the shielding effect is good, realizes the installation and dismounting fast, reduces the maintenance time, and the safety is high, and the life is long and durable. BRIEF DESCRIPTION OF DRAWINGS
[0010] The utility model is further illustrated below in connection with the drawings and examples.
[0011] Figure 1 It is the axial side view of the utility model;
[0012] Figure 2 It is Figure 1 The enlarged view of A in the middle;
[0013] Figure 3 It is the front view of the contact ring in the utility model;
[0014] Figure 4 It is the explosion drawing of plug connector;
[0015] Figure 5 It is the axial side view of plug connector;
[0016] Figure 6 It is the front view of plug connector;
[0017] Figure 7 It is Figure 6 The sectional view of B-B in the middle;
[0018] Figure 8 It is the axial side view of shielding device in plug connector;
[0019] 100-axial contact finger shielding ring assembly, 200-plug connector in drawing
[0020] 1-ring body, 2-contact ring, 3-plug assembly, 4-shielding device, 5-cable
[0021] 21-arc region, 22-straight line region. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model below, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. All other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.
[0023] Reference Figure 1 , Figure 2 and Figure 3 As shown in the figure, a novel axial contact finger spring shielding device, comprising an axial contact finger shielding ring assembly 100, the axial contact finger shielding ring assembly 100 comprises a ring body 1 and a plurality of contact rings 2 uniformly distributed and loaded on the ring body 1, these contact rings 2 play a crucial role in the entire shielding system, the contact rings 2 are connected in series through the ring body 1, forming a complete shielding system;
[0024] The contact ring 2 comprises two arc-shaped areas 21 and two straight line areas 22, and the two straight line areas 22 and the two arc-shaped areas 21 are correspondingly arranged, this unique structural feature makes the contact ring 2 more effectively play its shielding and connecting functions when cooperating with other components, effectively ensuring the efficient and stable operation of the entire shielding device 4.
[0025] In the embodiment, the contact ring 2 is inclined, and the inclined contact ring 2 can contact at a more appropriate angle and fit when contacting with other components, which not only increases the contact area, but also improves the uniformity of the contact pressure, effectively reducing the stress concentration phenomenon of the contact point. At the same time, the inclined contact ring 2 can change the distribution path of the electromagnetic field, so that the electromagnetic shielding effect reaches a more ideal state. During device assembly, the inclined contact ring 2 also has certain assembly advantages. Compared with vertical arrangement, the inclination angle can provide certain guidance and fault tolerance space for assembly operation, so that the contact ring 2 and other components cooperate more smoothly, greatly reducing the assembly difficulty, effectively improving the assembly efficiency and quality, and reducing the failure and hidden danger caused by improper assembly. In addition, the inclined arrangement can make the stress distribution of the contact ring 2 more reasonable when subjected to external force or working stress, and a special air circulation channel or gap can be formed between the contact ring 2 and other components, which is beneficial to heat dissipation and improves the heat management performance of the device.
[0026] In the selection of materials, in the embodiment, the axial contact finger shielding ring assembly 100 is made of high-conductivity material, which has many advantages: first, it can effectively improve the electromagnetic shielding effect and enhance the protection ability against electromagnetic interference; second, it can reduce transmission loss and improve signal transmission quality and efficiency; third, it can enhance the heat dissipation capacity and ensure that the device can dissipate heat generated in time during operation, maintaining stable working temperature; fourth, it can improve mechanical strength and stability, so that the shielding ring can withstand certain external force, ensuring long-term reliable operation of the device; fifth, it can improve the contact performance and ensure stable and reliable electrical connection between the contact ring 2 and other components; sixth, it can adapt to high-frequency applications and meet the needs of modern electronic equipment for high-frequency signal processing; seventh, it is easy to process and install, reducing the difficulty and cost of production and assembly.
[0027] In addition, referring to Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 , the technical solution also relates to a plug connector 200, which comprises a plug assembly 3 wrapped around the periphery of the axial contact finger shielding ring assembly 100, a cable 5 is connected axially in the plug assembly 3, and the cable 5 is in contact with the terminal in the plug assembly 3. At the same time, the cable 5 is axially sleeved with a shielding device 4, and the shielding device 4 is circumferentially provided with an accommodating groove for accommodating the axial contact finger shielding ring assembly 100. Through this design, the axial movement of the axial contact finger shielding ring 100 can be effectively limited, and the structural stability and electrical performance reliability of the entire plug connector 200 can be ensured.
[0028] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A novel axial finger spring shield device characterized by, The axial contact finger shield ring assembly (100) comprises a ring body (1) and a plurality of contact rings (2) uniformly distributed and loaded on the ring body (1). The contact ring (2) comprises two arc-shaped sections (21) and two linear sections (22), and the two linear sections (22) and the two arc-shaped sections (21) are arranged in correspondence with each other.
2. A novel axial finger spring shield device as claimed in claim 1, characterized in that: The contact ring (2) is arranged in an inclined manner.
3. A novel axial finger spring shield device as claimed in claim 1, characterized in that: The axial contact finger shield ring assembly (100) is made of a high-conductivity material.
4. A plug connector, characterized by: The plug connector (200) comprises a plug assembly (3) wrapped around the axial contact finger shield ring assembly (100), a cable (5) is axially connected in the plug assembly (3), a shielding device (4) is axially sleeved on the cable (5), and the shielding device (4) is circumferentially provided with an accommodating groove for accommodating the axial contact finger shield ring assembly (100).