A switch card

Abstract

The utility model discloses a kind of adapter cards, it is related to electrical connector technical field.PCB, female seat connector, the female seat connector is arranged in one end of the PCB, the other end of the PCB is formed as male plug-in part, the PCB is also installed with guide block on the section close to the male plug-in part, the guide block has at least one guide slope, the guide slope is aligned with the male plug-in part in axis direction.This scheme guide slope can guide male plug-in part to be inserted into corresponding female seat connector along correct direction, can effectively avoid misplacement insertion to cause damage to interface and pin, and the consistency of plug is stronger, and alignment efficiency is higher.

Description

Technical Field

[0001] This utility model relates to the field of electrical connector technology, specifically to an adapter card. Background Technology

[0002] As a high-speed serial bus interface standard, USB 3.2 is widely used in data transmission and power supply scenarios for various electronic devices. During the development, debugging, and production testing of electronic products, it is often necessary to verify the signal integrity, port compatibility, and functional status of the USB 3.2 interface using a dedicated adapter test card. Existing USB 3.2 dedicated adapter test cards typically consist of a printed circuit board (PCB) and connectors mounted on the PCB. One end has a female connector that matches the device under test (DUT), while the other end has a male connector that can be directly inserted into the female connector of a host computer or test instrument to achieve signal conduction and establish a test path.

[0003] Testing revealed the following deficiencies in existing dedicated adapter cards:

[0004] 1. The male connector lacks a guiding structure, which can easily lead to angular deviation and eccentric force when manually inserting it into the corresponding female connector. This can result in misaligned insertion, deformation of the terminal / shielding shell, scratches on the gold fingers, and even bending of the pins, resulting in poor insertion and removal consistency and low alignment efficiency.

[0005] 2. Because the male connector lacks guidance and limiting support, it shakes significantly during insertion and removal, which can easily cause momentary poor contact and link jitter. This can lead to repeated enumeration of the USB link, increased bit error rate, CRC abnormalities, and discontinuous test data, affecting the reliability and stability of high-speed signal measurement.

[0006] 3. There is no structure to share or disperse stress near the male connector. Frequent insertion and removal cause stress to concentrate on the solder joints, vias and board edges, which can easily lead to solder pad lifting, solder joint cracks, copper foil falling off or micro-cracks on the board edges, shortening the life of the adapter card and increasing maintenance costs. Utility Model Content

[0007] The purpose of this application is to provide a technical solution to address the problems mentioned in the background section.

[0008] To achieve the above objectives, this application provides the following technical solution:

[0009] An adapter card includes a PCB and a female connector. The female connector is disposed at one end of the PCB, and the other end of the PCB is formed as a male plug portion. A guide block is also installed on a section of the PCB near the male plug portion. The guide block has at least one guide ramp, and the guide ramp is axially aligned with the male plug portion.

[0010] Preferably, the male connector is an A-type male connector.

[0011] Preferably, the female connector is a type A interface female connector.

[0012] Preferably, the insertion end of the male connector has a chamfered structure.

[0013] Preferably, the chamfer is composed of several bevels and is evenly distributed at the end of the male connector.

[0014] Preferably, the guide block is made of plastic.

[0015] In summary, the technical effects and advantages of this utility model are as follows:

[0016] 1. The guide ramp of this solution can guide the male connector to be inserted into the corresponding female connector in the correct direction, which can effectively avoid damage to the interface and pins caused by misaligned insertion, and improve the consistency of insertion and removal and the alignment efficiency.

[0017] 2. The guide block can provide support and limit during insertion and removal, reduce shaking, and improve contact reliability and signal stability.

[0018] 3. The guide block can distribute the insertion and extraction stress, reduce the stress damage at the joint between the male connector and the PCB, improve the overall structural strength, extend the service life and reduce maintenance costs. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a first-person perspective perspective view of the present invention.

[0021] Figure 2 This is a second-view perspective perspective view of the present invention.

[0022] Figure 3 This is a side view of the present invention.

[0023] In the diagram: PCB1, female connector 2, male plug part 3, chamfer 31, guide block 4, guide slope 41. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-3 An adapter card includes a PCB1 and a female connector 2. The female connector 2 is disposed at one end of the PCB1, and the other end of the PCB1 is formed as a male plug portion 3. A guide block 4 is also installed on a section of the PCB near the male plug portion 3. The guide block 4 has at least one guide slope 41, and the guide slope 41 is axially aligned with the male plug portion 3.

[0026] Working principle: The guide block 4 is installed on a section of the PCB1 near the male connector 3. The guide slope 41 of the guide block 4 is aligned with the axial direction of the male connector 3. During the insertion process, when the male connector 3 deviates from the corresponding female interface, the guide slope 41 forms surface contact with the interface end face and generates a component force along the slope direction, guiding the male connector 3 to a position coaxial with the interface end face along the axial direction, thus achieving automatic alignment between the male connector 3 and the interface. Simultaneously, the guide block 4 forms a limiting support with the interface shell or mating part during the insertion process, distributing the insertion and extraction forces to multiple connection areas of the PCB1, reducing stress concentration at the connection between the male connector 3 and the PCB1, thereby maintaining a linear motion path and stable force distribution during the insertion process, ensuring that the electrical connection components are in a stable contact state.

[0027] Preferably, the male connector 3 is a type A male connector. The type A male connector's dimensions, insertion force direction, and terminal arrangement match the corresponding type A female connector standard. During insertion, the guide surface of the male connector's outer shell engages with the guide groove of the corresponding female connector's outer shell, allowing the male connector to move along the axis of the standard interface and enter the female connector until the terminal portion contacts the female connector's terminal portion and creates an elastic clamping effect, achieving standardized electrical connection and mechanical fixation.

[0028] Preferably, the female connector 2 is a type A interface female connector. This can be adapted to meet user needs.

[0029] Preferably, the insertion end of the male connector 3 has a chamfered 31 structure. During insertion, when the insertion end contacts the end face of the corresponding female connector interface, the chamfered 31 structure forms a guiding contact with the end face of the female connector interface. This causes the insertion end to generate a component force along the chamfered direction when subjected to external force, guiding the male connector to gradually align with the axis of the female connector interface and reducing the initial contact area. This achieves smooth insertion and reduces interference caused by terminal or housing position deviations.

[0030] Preferably, the chamfer 31 is composed of several inclined surfaces, which are evenly distributed at the end of the male connector. The chamfer 31, composed of several inclined surfaces, is evenly distributed at the end of the male connector 3. During insertion, when the female connector end face in any direction contacts the inclined surface, the inclined surface and end face form a surface contact and generate a component force along their respective inclined surface directions. This allows the male connector 3 to gradually adjust to a position aligned with the female connector axis under multi-directional guiding action, reducing interference between the connector end and the interface edge, and ensuring that the insertion force is evenly distributed along the end.

[0031] Preferably, the guide block 4 is made of plastic. During the insertion process, the plastic guide block 4 contacts the interface through its shaped guide slope 41, guiding the male connector 3 to align with the interface along the axial direction. The plastic material has certain elasticity and insulation properties; during insertion, when in contact with the interface mating part, it can buffer local stress and avoid direct metal-to-metal contact between conductive parts, thereby maintaining the guiding function while reducing wear on the interface and the male connector 3.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An adapter card, comprising a PCB and a female connector, wherein the female connector is disposed at one end of the PCB, and the other end of the PCB is formed as a male connector, characterized in that: A guide block is also installed on a section of the PCB near the male connector. The guide block has at least one guide ramp, which is axially aligned with the male connector.

2. The adapter card according to claim 1, characterized in that: The male connector is a type A male connector.

3. The adapter card according to claim 1, characterized in that: The female connector is a type A interface female connector.

4. The adapter card according to claim 1, characterized in that: The male connector has a chamfered end.

5. The adapter card according to claim 4, characterized in that: The chamfer is composed of several bevels, which are evenly distributed at the end of the male connector.

6. The adapter card according to claim 1, characterized in that: The guide block is made of plastic.

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