SMA type coaxial connector for directly connecting LVDS interface harness

By designing an SMA-type to LVDS interface coaxial connector with external threads and anti-loosening protrusions, the problem of direct insertion of connectors in the existing technology has been solved, achieving a stable and convenient connection effect.

CN224683584UActive Publication Date: 2026-08-25上海电科院技术有限公司
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Patent Information

Application Number
CN202521813860.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-25
Publication Date
2026-08-25
Estimated Expiration
2035-08-25

AI Technical Summary

Technical Problem

In the existing technology, SMA-to-LVDS type connectors are difficult to plug directly into, resulting in unstable connections and inconvenience in use.

Method used

A coaxial connector comprising an SMA interface cylinder, an expansion plate, and an LVDS interface cylinder was designed. It employs an external thread and an anti-detachment protrusion structure to enable direct insertion of the SMA connector and the LVDS interface harness.

Benefits of technology

This achieves a stable connection between the SMA connector and the LVDS interface harness, improving the reliability and convenience of the connection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of connector, and relates to a coaxial connector of SMA type conversion LVDS interface wire harness direct connection, which comprises SMA interface cylinder, expansion flat plate and LVDS interface cylinder connected in sequence, the outer side wall of SMA interface cylinder is provided with external thread, a plurality of thread mouths are formed in expansion flat plate, the inside of LVDS interface cylinder is provided with insulating material body, a center pin jack hole is formed in the central position of insulating material body and the center pin jack hole extends into SMA interface cylinder. The utility model sets SMA interface cylinder with external thread and LVDS interface cylinder with anti -drop protruding, and carries out integrated shell design, integrates SMA thread interface and LVDS buckle structure, realizes that SMA joint and LVDS interface wire harness directly plug in.
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Description

Technical Field

[0001] This utility model relates to the field of connector technology, and in particular to a coaxial connector for direct connection of SMA-type to LVDS interface wire harness. Background Technology

[0002] The SMA (Sub-Miniature Version A) connector is a small coaxial RF connector originally used for high-frequency signal transmission in military and aerospace applications. LVDS interface harnesses, on the other hand, are used for high-speed digital transmission (such as video and data communication), with typical applications including cameras, displays, and high-speed data acquisition. With the rapid development of industries such as wireless communication, test and measurement, and automotive electronics, SMA-to-LVDS connectors are widely used due to their excellent RF performance and compact size. Utility Model Content

[0003] The purpose of this invention is to solve the technical problems existing in the background art. To this end, a coaxial connector for direct connection of SMA type to LVDS interface wire harness is provided, which can realize the direct plugging of SMA connector and LVDS interface wire harness.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] A coaxial connector for direct connection of SMA to LVDS interface wire harness includes an SMA interface cylinder, an expansion plate, and an LVDS interface cylinder connected in sequence. The outer side wall of the SMA interface cylinder is provided with external threads, and the expansion plate has multiple threaded openings. The interior of the LVDS interface cylinder is provided with an insulating material body, and a center pin insertion hole is provided at the center of the insulating material body and extends into the SMA interface cylinder.

[0006] The following is a further technical solution of this utility model: an anti-detachment protrusion is fixedly provided on the outer side wall of the LVDS interface cylinder near the end of the expansion plate.

[0007] The following is a further defined technical solution of this utility model: the cross-sectional shape of the expanded plate is set to square, the width of the expanded plate is 10.62mm and the thickness is 1.65mm.

[0008] The following is a further defined technical solution of this utility model: the diameter of the anti-falling protrusion is 3.75mm and the thickness is 0.4mm.

[0009] The following is a further defined technical solution of this utility model: one end of the insulating material body is flush with the port of the LVDS interface cylinder, and the other end of the insulating material body extends into the expansion plate. The length of the LVDS interface cylinder is 7mm, and the length of the insulating material body is 7.8mm.

[0010] Compared with the prior art, the present invention has the following technical effects:

[0011] This utility model integrates an SMA interface cylinder with external threads and an LVDS interface cylinder with anti-detachment protrusions, and adopts an integrated shell design, thus enabling direct plugging of the SMA connector and the LVDS interface harness.

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

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a side view of the structure of this utility model.

[0016] Reference numerals: 1. SMA interface cylinder; 2. Expansion plate; 3. LVDS interface cylinder; 4. External thread; 5. Threaded opening; 6. Insulating material body; 7. Center pin insertion hole; 8. Anti-detachment protrusion. Detailed Implementation

[0017] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0018] like Figure 1 and 2As shown, this embodiment provides a coaxial connector for direct connection of SMA to LVDS interface wire harnesses, with an overall length of 22.41 mm. It includes an SMA interface cylinder 1, an expansion plate 2, and an LVDS interface cylinder 3 connected in sequence. The outer wall of the SMA interface cylinder 1 is provided with external threads 4, and the standard size of the external threads 4 is 1 / 4-36UNS-2A. The expansion plate 2 has a square cross-section and four threaded openings 5 ​​around its perimeter for easy fixing. It can be used with a clamp when needed. The expansion plate 2 has a width of 10.62 mm and a thickness of 1.65 mm. The LVDS interface cylinder 3 has an insulating material body 6 inside, and a center pin hole 7 is provided at the center of the insulating material body 6, extending into the SMA interface cylinder 1. An anti-detachment protrusion 8 is fixedly provided on the outer side wall of the LVDS interface cylinder 3 near the end of the expansion plate 2, which supports blind insertion. The anti-detachment protrusion 8 has a diameter of 3.75mm and a thickness of 0.4mm.

[0019] One end of the insulating material body 6 is flush with the port of the LVDS interface cylinder 3, and the other end of the insulating material body 6 extends into the expansion plate 2. The length of the LVDS interface cylinder 3 is 7mm, and the length of the insulating material body 6 is 7.8mm.

[0020] In actual production, the overall structure surface of this embodiment needs to be gold-plated.

[0021] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Any person skilled in the art can make many possible variations and modifications to the technical solution of this utility model using the disclosed methods and techniques, or modify it into equivalent embodiments with equivalent changes, without departing from the scope of the technical solution of this utility model. Therefore, all equivalent changes made based on the shape, structure, and principle of this utility model without departing from its technical solution should be covered within the protection scope of this utility model.

Claims

1. A coaxial connector for direct connection of SMA to LVDS interface harness, characterized in that, The device includes an SMA interface cylinder (1), an expansion plate (2), and an LVDS interface cylinder (3) connected in sequence. The outer side wall of the SMA interface cylinder (1) is provided with an external thread (4). The expansion plate (2) is provided with multiple threaded openings (5). The interior of the LVDS interface cylinder (3) is provided with an insulating material body (6). The center of the insulating material body (6) is provided with a central pin hole (7) that extends into the SMA interface cylinder (1).

2. The coaxial connector for direct connection of SMA to LVDS interface harness as described in claim 1, characterized in that, An anti-detachment protrusion (8) is fixedly provided on the outer side wall of the LVDS interface cylinder (3) near the end of the expansion plate (2).

3. The coaxial connector for direct connection of SMA to LVDS interface harness as described in claim 1, characterized in that, The cross-sectional shape of the expanded plate (2) is set to square, and the width of the expanded plate (2) is 10.62mm and the thickness is 1.65mm.

4. The coaxial connector for direct connection of SMA-type to LVDS interface harness as described in claim 2, characterized in that, The anti-fall-off protrusion (8) has a diameter of 3.75 mm and a thickness of 0.4 mm.

5. The coaxial connector for direct connection of SMA-type to LVDS interface harness as described in claim 1, characterized in that, One end of the insulating material body (6) is flush with the port of the LVDS interface cylinder (3), and the other end of the insulating material body (6) extends into the expansion plate (2). The length of the LVDS interface cylinder (3) is 7 mm, and the length of the insulating material body (6) is 7.8 mm.