Anti-electromagnetic interference coaxial plug connector

By designing protective devices and fixing devices in the connector, the problem that existing connectors cannot prevent electromagnetic interference is solved, and the effective anti-electromagnetic interference and fixing of the connector is achieved, which improves the normal use and practicality of the connector.

CN222654499UActive Publication Date: 2025-03-21SHENZHEN TUYI OPTOELECTRONICS CO LTD
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Patent Information

Application Number
CN202420848302.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-23
Publication Date
2025-03-21
Estimated Expiration
2034-04-23

AI Technical Summary

Technical Problem

Existing connectors cannot prevent electromagnetic interference in daily use, causing interference sources to enter the connector, forming a common mode voltage, affecting the normal use of the connector.

Method used

A coaxial plug connector that is anti-electromagnetic interference is designed, using protective devices and fixing devices. The protective devices include sliding grooves, sliding blocks, protective shells and copper sheets. The fixing devices include support blocks, positioning plates, long plates and springs. Through the cooperation of these components, the anti-electromagnetic interference and fixing effect of the connector is achieved.

Benefits of technology

It effectively prevents electromagnetic interference sources from entering the connector, avoids the formation of common mode voltage, and improves the normal use and practicality of the connector.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of connectors, in particular to an anti-electromagnetic interference coaxial plug connector. The connector comprises a connector body, the connector body is electrically connected with a converter, the surface of the connector body is provided with a protection device, the protection device comprises two sliding grooves, the two sliding grooves are formed in the two sides of the connector body, the inner surfaces of the sliding grooves are connected with sliding blocks in a sliding mode, and the converter is electrically connected with the converter. The surface of the sliding block is fixedly connected with a protective shell in a sliding mode, the inner surface of the protective shell is fixedly connected with a copper sheet, one side of the protective shell is fixedly connected with a supporting plate, a sliding rod is inserted in the supporting plate in a sliding mode, and an adjusting groove is formed in the surface of the connector body. The problem that in the prior art, in daily use of a connector, electromagnetic interference prevention cannot be conducted on the connector, when other interference sources enter the connector body 1, common-mode voltage is formed by the impedance of the connector, and therefore normal use of the connector is affected is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to an electromagnetic interference resistant coaxial plug connector. Background Art

[0002] Connectors are a type of component that electronic engineers often come into contact with. Their function is very simple: to build a bridge of communication between blocked or isolated circuits in a circuit, so that current can flow and the circuit can achieve its intended function. Connectors are an indispensable component in electronic equipment. If you observe along the path where the current flows, you will always find one or more connectors.

[0003] The inventors believe that the following defects often exist: in daily use, the connector cannot be protected against electromagnetic interference. When other interference sources enter the connector body 1, the impedance of the connector is called upon to form a common-mode voltage, thereby affecting the normal use of the connector, thereby improving the practicality of the device; therefore, an electromagnetic interference-resistant coaxial plug connector is proposed to address the above problems. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the connector in the prior art cannot be protected against electromagnetic interference in daily use, and when other interference sources enter the inside of the connector body 1, the impedance of the connector is called upon to form a common mode voltage, thereby affecting the normal use of the connector, and to propose an anti-electromagnetic interference coaxial plug connector.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an anti-electromagnetic interference coaxial plug connector, comprising a connector body, the connector body is electrically connected to a converter, the surface of the connector body is provided with a protective device, the protective device comprises two sliding grooves, the two sliding grooves are opened on both sides of the connector body, the inner surface of the sliding groove is slidably connected with a sliding block, the surface of the sliding block is slidably and fixedly connected with a protective shell, the inner surface of the protective shell is fixedly connected with a copper sheet, one side of the protective shell is fixedly connected with a support plate, a sliding rod is slidably inserted in the support plate, an adjustment groove is opened on the surface of the connector body, the arc surface of the sliding rod is slidably connected to the inner surface of the adjustment groove of the connector body, and one end of the sliding rod is fixedly connected with a pull plate.

[0006] The effect achieved by the above components is: by setting up a protective device, the effect of preventing electromagnetic interference when the connector body is connected to the converter is achieved, avoiding other interference sources from entering the connector body and forming a common mode voltage with the impedance of the connector body, thereby affecting the normal use of the connector body when connected to the converter, thereby improving the practicality of the device.

[0007] Preferably, the arc surface of the sliding rod is sleeved with a first spring, and two ends of the first spring are respectively fixedly connected to the support plate and the pull plate.

[0008] The effect achieved by the above components is that under the action force of the first spring, the stability of the sliding rod in the adjusting groove of the connector body is improved.

[0009] Preferably, a limiting groove is provided on the arc surface of the sliding rod, a limiting rod is slidably inserted in the support plate, one end of the limiting rod is fixedly connected to a circular plate, and the arc surface of the limiting rod is slidably connected to the inner surface of the limiting groove of the sliding rod.

[0010] The effects achieved by the above components are: achieving the effect of limiting the limit rod, making it convenient for the operator to adjust the position of the protective shell, thereby achieving the effect of protecting the connector body from electromagnetic interference and improving the practicability of the device.

[0011] Preferably, the surface of the connector body is provided with a fixing device, the fixing device comprises a support block, the support block is fixedly connected to the surface of the connector body, a positioning plate is fixedly connected to the surface of the support block, a long plate is fixedly connected to the surface of the converter, a positioning groove is provided in the long plate, the inner surface of the positioning groove of the long plate is slidably connected to the surface of the positioning plate, the positioning plate is made of a soft material, a second spring is fixedly connected to the inner surface of the positioning plate, and a connecting groove is provided on the surface of the long plate.

[0012] The effect achieved by the above-mentioned components is: by setting up the fixing device, the effect of fixing the connector body and the converter when they are connected is achieved, avoiding the connector body and the converter from loosening when connected for a long time, causing the connector body to fall off the converter, thereby affecting the normal use of the connector body. At the same time, the positioning plate plays a positioning role when the connector body and the converter are connected, avoiding the connector body from being worn out due to multiple insertions into the converter, affecting the electrical connection of the connector body converter, and improving the practicability of the device.

[0013] Preferably, the surface of the long plate is fixedly connected to a U-shaped plate, the inner surface of the U-shaped plate is rotatably connected to a rotating rod, the arc surface of the rotating rod is fixedly connected to a connecting plate, the side of the connecting plate close to the connecting groove of the long plate is fixedly connected to a round rod, and the side of the round rod away from the connecting plate is fixedly connected to a push plate.

[0014] The effect achieved by the above components is: pushing the connecting plate drives the rotating rod to rotate in the U-shaped plate, the connecting plate drives the round rod, and the round rod drives the push plate to approach the long plate connecting groove until the push plate abuts against the positioning plate, and the positioning plate drives the second spring to compress, which makes it easier for the operator to remove the connector body from the converter, thereby improving the practicality of the device.

[0015] Preferably, the arc surface of the rotating rod is sleeved with two torsion springs, and two ends of the torsion springs are fixedly connected to the U-shaped plate and the connecting plate respectively.

[0016] The effect achieved by the above components is that under the action of the torsion spring, the connecting plate always maintains a certain angle, avoiding the push plate and the surface of the positioning plate from abutting against each other, thereby improving the practicability of the device.

[0017] In summary, the beneficial effects of the utility model are:

[0018] 1. In the utility model, by setting a protective device, the effect of preventing electromagnetic interference when the connector body is connected to the converter is achieved, which prevents other interference sources from entering the interior of the connector body and forming a common mode voltage with the impedance of the connector body, thereby affecting the normal use of the connector body when connected to the converter, thereby improving the practicality of the device.

[0019] 2. In the utility model, by providing a fixing device, the effect of fixing the connector body and the converter when they are connected is achieved, which avoids the connector body and the converter from loosening when they are connected for a long time, causing the connector body to fall off the converter, thereby affecting the normal use of the connector body. At the same time, the positioning plate plays a positioning role when the connector body and the converter are connected, which avoids the connector body from being worn out due to repeated insertions into the converter, affecting the electrical connection of the connector body converter, and improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It is a disassembly schematic diagram of the utility model;

[0022] Figure 3 It is a structural schematic diagram of the protective device in the utility model;

[0023] Figure 4 For the utility model Figure 4 A magnified image of point A;

[0024] Figure 5 For the utility model Figure 2 A magnified view of point B;

[0025] Figure 6 For the utility model Figure 2 Enlarged view of point C.

[0026] Legend: 1. Connector body; 2. Converter; 3. Protective device; 301. Sliding groove; 302. Sliding block; 303. Protective shell; 304. Copper sheet; 305. Support plate; 306. Sliding rod; 307. Pull plate; 308. First spring; 309. Limit rod; 310. Round plate; 4. Fixing device; 401. Support block; 402. Positioning plate; 403. Long plate; 404. Second spring; 405. U-shaped plate; 406. Rotating rod; 407. Connecting plate; 408. Push plate; 409. Torsion spring. DETAILED DESCRIPTION

[0027] Reference Figure 1 As shown, the utility model provides a technical solution: an anti-electromagnetic interference coaxial plug connector, comprising a connector body 1, the connector body 1 is electrically connected to a converter 2, a protective device 3 is provided on the surface of the connector body 1, and the protective device 3 is provided to achieve the effect of electromagnetic interference protection when the connector body 1 is connected to the converter 2, thereby preventing other interference sources from entering the interior of the connector body 1 and forming a common mode voltage with the impedance of the connector body 1, thereby affecting the normal use of the connector body 1 when connected to the converter 2, and improving the practicality of the device; a fixing device 4 is provided on the surface of the connector body 1, and the fixing device 4 is provided to achieve the effect of fixing the connector body 1 when connected to the converter 2, thereby preventing the connector body 1 from loosening when the connector body 1 and the converter 2 are connected for a long time, causing the connector body 1 to fall off from the converter 2, thereby affecting the normal use of the connector body 1; at the same time, the positioning plate 402 plays a positioning role when the connector body 1 and the converter 2 are connected, thereby preventing the connector body 1 from being worn due to multiple insertions into the converter 2, thereby affecting the electrical connection of the connector body 1 and the converter 2, and improving the practicality of the device.

[0028] The specific configuration and functions of the protective device 3 and the fixing device 4 will be described in detail below.

[0029] Reference Figure 2 , Figure 3 and Figure 4As shown, in this embodiment: the protective device 3 includes two sliding grooves 301, the two sliding grooves 301 are opened on both sides of the connector body 1, the inner surface of the sliding groove 301 is slidably connected with a sliding block 302, the surface of the sliding block 302 is slidably fixedly connected with a protective shell 303, the inner surface of the protective shell 303 is fixedly connected with a copper sheet 304, one side of the protective shell 303 is fixedly connected with a support plate 305, a sliding rod 306 is slidably inserted in the support plate 305, an adjustment groove is opened on the surface of the connector body 1, the arc surface of the sliding rod 306 is slidably connected to the inner surface of the adjustment groove of the connector body 1, one end of the sliding rod 306 is fixedly connected with a pull plate 307, and the arc surface of the sliding rod 306 A first spring 308 is sleeved, and the two ends of the first spring 308 are fixedly connected to the support plate 305 and the pull plate 307 respectively. Under the action of the first spring 308, the stability of the sliding rod 306 in the adjustment groove of the connector body 1 is improved, and a limiting groove is provided on the arc surface of the sliding rod 306. A limiting rod 309 is slidably inserted in the support plate 305. One end of the limiting rod 309 is fixedly connected to a circular plate 310. The arc surface of the limiting rod 309 is slidably connected to the inner surface of the limiting groove of the sliding rod 306, thereby achieving the effect of limiting the limiting rod 309, facilitating the operator to adjust the position of the protective shell 303, thereby achieving the effect of protecting the connector body 1 from electromagnetic interference and improving the practicability of the device.

[0030] Reference Figure 2 , Figure 4 and Figure 5As shown, specifically, the fixing device 4 includes a support block 401, the support block 401 is fixedly connected to the surface of the connector body 1, the surface of the support block 401 is fixedly connected with a positioning plate 402, the surface of the converter 2 is fixedly connected with a long plate 403, a positioning groove is provided in the long plate 403, the inner surface of the positioning groove of the long plate 403 is slidably connected to the surface of the positioning plate 402, the positioning plate 402 is made of a soft material, the inner surface of the positioning plate 402 is fixedly connected with a second spring 404, the surface of the long plate 403 is provided with a connecting groove, the surface of the long plate 403 is fixedly connected with a U-shaped plate 405, the inner surface of the U-shaped plate 405 is rotatably connected with a rotating rod 406, the arc surface of the rotating rod 406 is fixedly connected with a connecting plate 407, and the connecting plate 407 is fixedly connected with a circular arc surface close to the connecting groove of the long plate 403. The rod, the side of the round rod away from the connecting plate 407 is fixedly connected with a push plate 408, which pushes the connecting plate 407 to drive the rotating rod 406 to rotate in the U-shaped plate 405, and the connecting plate 407 drives the round rod, and the round rod drives the push plate 408 to approach the connecting groove of the long plate 403 until the push plate 408 abuts against the positioning plate 402, and the positioning plate 402 drives the second spring 404 to be compressed, which is convenient for the operator to remove the connector body 1 from the converter 2, thereby improving the practicality of the device. The arc surface of the rotating rod 406 is sleeved with two torsion springs 409, and the two ends of the torsion spring 409 are respectively fixedly connected to the U-shaped plate 405 and the connecting plate 407. Under the action of the torsion spring 409, the connecting plate 407 always maintains a certain angle, thereby avoiding the push plate 408 from abutting against the surface of the positioning plate 402, thereby improving the practicality of the device.

[0031] Working principle: when the operator needs to connect the connector body 1 with the converter 2 to prevent electromagnetic interference, the positioning plate 402 on the connector body 1 is inserted into the positioning groove of the long plate 403, and the positioning plate 402 slides in the long plate 403. The connector body 1 is inserted into the converter 2 under the action of the positioning plate 402 until one end of the positioning plate 402 is stuck in the connecting groove of the long plate 403, thereby achieving the effect of fixing the connector body 1 and the converter 2 when connected, and avoiding the loosening of the connector body 1 and the converter 2 when they are connected for a long time, causing the connector body 1 to fall off from the converter 2, thereby affecting the normal use of the connector body 1. At this time, the pull plate 307 is pulled to drive the sliding rod 306 to slide in the support plate 305 until the sliding rod 306 slides out of the adjustment groove of the connector body 1. The first spring 308 is in a stretched state, and the circular plate 310 is pushed to drive the limit rod 3 09 slides in the support plate 305 until the limit rod 309 slides into the limit groove of the sliding rod 306, thereby achieving the effect of limiting the sliding rod 306, which is convenient for the operator to adjust the position of the protective shell 303, and push the protective shell 303 to drive the sliding block 302 to slide in the sliding groove 301 until the protective shell 303 covers the connection between the connector body 1 and the converter 2. At this time, the limit rod 309 is stretched to release the limit on the sliding rod 306. Under the action of the first spring 308, the sliding rod 306 is automatically bounced into the adjustment groove of the connector body 1, thereby achieving the effect of preventing electromagnetic interference when the connector body 1 is connected to the converter 2, avoiding other interference sources from entering the connector body 1 and forming a common mode voltage with the impedance of the connector body 1, thereby affecting the normal use of the connector body 1 when connected to the converter 2, thereby improving the practicability of the device.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

Claims

1. An anti-electromagnetic interference coaxial plug connector, comprising a connector body (1), characterized in that: The connector body (1) is electrically connected to a converter (2); a protective device (3) is provided on the surface of the connector body (1); the protective device (3) comprises two sliding grooves (301); the two sliding grooves (301) are provided on both sides of the connector body (1); a sliding block (302) is slidably connected to the inner surface of the sliding groove (301); a protective shell (303) is slidably fixedly connected to the surface of the sliding block (302); a copper sheet (304) is fixedly connected to the inner surface of the protective shell (303); a support plate (305) is fixedly connected to one side of the protective shell (303); a sliding rod (306) is slidably inserted in the support plate (305); an adjustment groove is provided on the surface of the connector body (1); the arc surface of the sliding rod (306) is slidably connected to the inner surface of the adjustment groove of the connector body (1); and a pull plate (307) is fixedly connected to one end of the sliding rod (306).

2. The electromagnetic interference resistant coaxial plug connector according to claim 1, characterized in that: The arc surface of the sliding rod (306) is sleeved with a first spring (308), and the two ends of the first spring (308) are respectively fixedly connected to the support plate (305) and the pulling plate (307).

3. The electromagnetic interference resistant coaxial plug connector according to claim 1, characterized in that: The arc surface of the sliding rod (306) is provided with a limiting groove, a limiting rod (309) is slidably inserted in the support plate (305), one end of the limiting rod (309) is fixedly connected to a circular plate (310), and the arc surface of the limiting rod (309) is slidably connected to the inner surface of the limiting groove of the sliding rod (306).

4. The electromagnetic interference resistant coaxial plug connector according to claim 1, characterized in that: The surface of the connector body (1) is provided with a fixing device (4), and the fixing device (4) comprises a support block (401), the support block (401) is fixedly connected to the surface of the connector body (1), the surface of the support block (401) is fixedly connected to a positioning plate (402), the surface of the converter (2) is fixedly connected to a long plate (403), a positioning groove is provided in the long plate (403), the inner surface of the positioning groove of the long plate (403) is slidably connected to the surface of the positioning plate (402), the material of the positioning plate (402) is a soft material, the inner surface of the positioning plate (402) is fixedly connected to a second spring (404), and the surface of the long plate (403) is provided with a connecting groove.

5. The electromagnetic interference resistant coaxial plug connector according to claim 4, characterized in that: The surface of the long plate (403) is fixedly connected to a U-shaped plate (405), the inner surface of the U-shaped plate (405) is rotatably connected to a rotating rod (406), the arc surface of the rotating rod (406) is fixedly connected to a connecting plate (407), the side of the connecting plate (407) close to the connecting groove of the long plate (403) is fixedly connected to a round rod, and the side of the round rod away from the connecting plate (407) is fixedly connected to a push plate (408).

6. The electromagnetic interference resistant coaxial plug connector according to claim 5, characterized in that: The arc surface of the rotating rod (406) is sleeved with two torsion springs (409), and the two ends of the torsion spring (409) are respectively fixedly connected to the U-shaped plate (405) and the connecting plate (407).