Card connector easy to insert

Abstract

The utility model provides an easy-to-plug card connector, which comprises an insulating main body and terminal assemblies, and is characterized in that the insulating main body is provided with a plugging groove in the middle along a first direction, and the terminal assemblies are symmetrically arranged at two sides of the plugging groove; the terminal assembly comprises a plurality of first-class terminals and second-class terminals, the first ends of the first-class terminals are provided with first terminal pins, the first ends of the second-class terminals are provided with second terminal pins, and the first terminal pins and the second terminal pins extend into the plugging grooves and are in contact with the metal contact surface of the memory card; the first type of terminals and the second type of terminals on the same side in the plugging groove have no overlapping area along the first direction, and the height of the second terminal pin along the vertical direction is greater than the height of the first terminal pin. According to the easy-to-insert card connector, when the memory card is inserted into the insertion slot, the metal contact surface is firstly contacted with the second terminal pin and then contacted with the first terminal pin, so that the stable connection between the terminal assembly and the memory card is ensured, the friction force during insertion is reduced, and the card insertion operation is smoother.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic connector technical field especially, relates to an easy to insert formula card connector. BACKGROUND

[0002] The card connector is an important component widely used in electronic devices, and its main function is to realize the electrical connection and mechanical fixation between the plug-in memory card (such as memory card, SD card, SIM card, etc.) and the circuit board. With the wide application of electronic devices, memory cards have become a common medium for storing data due to their high capacity, small size and portability. As the interface between memory cards and devices, card connectors not only need to provide reliable electrical connection, but also need to have convenient plugging performance.

[0003] In the prior art, the memory card is inserted into the slot of the card connector to contact the terminal to complete the electrical connection. However, due to improper arrangement of the contact points of the terminal or poor control of the contact sequence, a large pushing force is required when inserting the memory card, which not only reduces the user experience, but also easily causes deformation or wear of the terminal of the card connector, thereby affecting the contact performance. SUMMARY

[0004] The purpose of the present application is to provide an easy-to-insert card connector to solve the problem of difficult operation when inserting a memory card into a card connector in the prior art.

[0005] To achieve this purpose, the following technical solutions are used:

[0006] The present application provides an easy-to-insert card connector, which includes an insulating body and a terminal assembly, wherein:

[0007] The insulating body is centrally provided with a plug-in slot along the first direction, the plug-in slot extends along the first direction, and the plug-in slot is configured to plug in the memory card. The terminal assembly is symmetrically arranged on both sides of the plug-in slot with the length direction of the plug-in slot as the symmetry axis.

[0008] The terminal assembly includes a plurality of first terminals and second terminals, the first terminals are provided with first terminal pins at the first end, the second terminals are provided with second terminal pins at the first end, the first terminal pins and the second terminal pins extend into the plug-in slot, and the first terminal pins and the second terminal pins are configured to contact the metal contact surface of the memory card.

[0009] The first terminals and the second terminals on the same side of the plug-in slot do not have overlapping areas along the first direction, the height of the second terminal pin is higher than the height of the first terminal pin along the vertical direction, and when the memory card is inserted into the plug-in slot, the metal contact surface first contacts the second terminal pin and then contacts the first terminal pin.

[0010] Optionally, the first terminals and the second terminals on the same side of the plug-in slot are arranged at intervals along the first direction.

[0011] Optionally, the terminal assembly further comprises a ground terminal, the ground terminal is arranged between the first type of terminals and / or the second type of terminals along the first direction, and the ground terminal has an overlapping area with the first type of terminals and the second type of terminals along the first direction.

[0012] Optionally, the top end of the insertion slot is provided with a first inclined surface and a second inclined surface on both sides, respectively, and the first inclined surface and the second inclined surface are inclined away from the insertion slot, respectively.

[0013] Optionally, the second end of the first type of terminals, the second end of the second type of terminals, and the second end of the ground terminal are all provided with elastic feet, and the elastic feet are in elastic contact with the mainboard.

[0014] Optionally, a plurality of accommodating grooves are formed on the insulating body along the first direction on both sides of the insertion slot, the accommodating grooves are in communication with the insertion slot along the second direction, the accommodating grooves are arranged at intervals along the first direction, and the accommodating grooves are configured to limit the terminals adjacent in the first direction.

[0015] Optionally, the second type of terminals are provided with a holding portion, one side of the holding portion is provided with a protrusion, a fixing groove is formed on the insulating body, and the holding portion is inserted into the fixing groove.

[0016] Compared with the prior art, the easy-to-insert card connector provided in the application has the following advantages:

[0017] 1) By matching the contact sequence of the first type of terminals and the second type of terminals with the memory card, the friction during insertion of the memory card is reduced, the card insertion operation is smoother, the stability of contact is ensured, and the risk of electrical failure is reduced.

[0018] 2) By forming an overlapping area between the ground terminal and the first type of terminals and the second type of terminals along the first direction, the problem of high-frequency crosstalk is greatly improved, and the stable operation of the connector in a high-frequency signal environment is ensured.

[0019] 3) By arranging the first type of terminals and the second type of terminals at intervals along the first direction, the electrical interference between the terminals is reduced, and the reliability of the connection is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate and understand the technical solutions in the embodiments of the application, the drawings needed to be used in the background and embodiment descriptions of the application will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the contents of the embodiments of the application and these drawings.

[0021] Fig. 1 is a perspective structural schematic diagram of the easy-to-insert card connector provided by the embodiments of the application;

[0022] Fig. 2 This is a three-dimensional structural diagram of the terminal assembly of the easy-to-plug card connector provided in the embodiments of this application;

[0023] Fig. 3 This is a side view of the first type of terminal and the second type of terminal of the easy-to-plug card connector provided in the embodiments of this application. Detailed Implementation

[0024] To facilitate understanding of this application, a more complete description of the application will be provided below with reference to the accompanying drawings. Preferred embodiments of the application are shown in the drawings. However, the application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this application. It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or there may be an intermediate component. When a component is referred to as being "connected to" another component, it can be directly connected to the other component or there may be an intermediate component. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementations. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the specification of this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0025] Please see Figs. 1-3 As shown in the embodiment of this application, an easy-to-plug card connector includes an insulating body 10 and a terminal assembly 20, wherein:

[0026] Insulating body 10 along the first direction ( Fig. 1 A plug-in slot 11 is provided in the center (in the X direction). The plug-in slot 11 extends along the first direction and is configured to plug in a memory card. The terminal assembly 20 is symmetrically arranged on both sides of the plug-in slot 11 with the length direction of the plug-in slot 11 as the axis of symmetry.

[0027] The terminal assembly 20 includes a plurality of first type terminals 21 and second type terminals 22. The first type terminal 21 is provided with a first terminal pin 210 at its first end, and the second type terminal 22 is provided with a second terminal pin 220 at its first end. The first terminal pin 210 and the second terminal pin 220 extend into the insertion slot 11 and are configured to contact the metal contact surface of the memory card.

[0028] The first type of terminal 21 and the second type of terminal 22 located on the same side of the insertion slot 11 have no overlapping area along the first direction. The height of the second terminal pin 220 in the vertical direction is higher than the height of the first terminal pin 210. When the memory card is inserted into the insertion slot 11, the metal contact surface first contacts the second terminal pin 220 and then contacts the first terminal pin 210.

[0029] Specifically, the storage card is set to a memory card.

[0030] By coordinating the contact sequence of the first type of terminal 21 and the second type of terminal 22 with the memory card, the friction force when the memory card is inserted is reduced, making the card insertion operation smoother, while ensuring the stability of the contact and reducing the risk of electrical malfunction.

[0031] In one embodiment, a first type of terminal 21 and a second type of terminal 22 located on the same side of the insertion slot 11 are spaced apart along a first direction.

[0032] By arranging the first type of terminal 21 and the second type of terminal 22 at intervals along the first direction, electrical interference between terminals is reduced and the reliability of the connection is improved.

[0033] In one embodiment, the terminal assembly 20 further includes a ground terminal 23, which is disposed at a distance between the first type of terminal 21 and / or the second type of terminal 22 along a first direction, and the ground terminal 23 has an overlapping area with the first type of terminal 21 and the second type of terminal 22 along the first direction.

[0034] By having the ground terminal 23 form an overlapping area with the first type terminal 21 and the second type terminal 22 along the first direction, the problem of high-frequency crosstalk can be greatly improved, ensuring the stable operation of the connector in a high-frequency signal environment.

[0035] In one embodiment, a first inclined surface 110 and a second inclined surface 111 are respectively provided on both sides of the top end of the insertion slot 11, and the first inclined surface 110 and the second inclined surface 111 are inclined in a direction away from the insertion slot 11.

[0036] By setting bevels on both sides of the top of the insertion slot 11, the memory card is guided to be smoothly inserted into the connector, reducing friction during insertion and improving operational efficiency and safety.

[0037] In one embodiment, the second end of the first type terminal 21, the second end of the second type terminal 22, and the second end of the ground terminal are all provided with elastic feet 24, and the elastic feet 24 are in elastic contact with the motherboard 30.

[0038] By providing the terminal assembly 20 with a flexible foot 24, continuous flexible contact between the terminal and the motherboard 30 is ensured, enhancing the stability of the electrical connection.

[0039] In one embodiment, a plurality of receiving grooves 12 are formed on both sides of the plug groove 11 along a first direction on the insulating body 10, and the receiving grooves 12 and the plug groove 11 are along a second direction ( Fig. 1 The accommodating slots 12 are spaced apart along the first direction (Y direction) and are configured to limit the terminals adjacent to each other in the first direction.

[0040] By opening receiving grooves 12 on both sides of the insertion groove 11, the position of the terminal along the first direction is restricted, ensuring the stability of the terminal during insertion and removal.

[0041] In one embodiment, a retaining part 220 is provided on the second type of terminal 22, a protrusion 221 is provided on one side of the retaining part 220, and a fixing groove is provided on the insulating body 10, and the retaining part is inserted into the fixing groove.

[0042] By providing a retaining part 220 on the second type of terminal 22 and cooperating with the fixing groove, the terminal is stably fixed, avoiding loosening or falling off due to insertion and removal, while simplifying terminal installation and improving production efficiency; by having the protrusion 221 snap into the inner wall of the fixing groove, the firmness of the connection between the fixing groove and the retaining part 220 is further improved.

[0043] The above embodiments merely illustrate the basic principles and characteristics of this application. This application is not limited to the above examples. Various changes and modifications can be made to this application without departing from the spirit and scope thereof, and all such changes and modifications fall within the scope of this application as claimed. The scope of protection of this application is defined by the appended claims and their equivalents.

Claims

1. An easy-to-plug card connector, characterized by comprising: The easy-inserting card connector comprises an insulating body and a terminal assembly, wherein: The insulating body is centrally provided with a plug-in slot in a first direction, the plug-in slot extends in the first direction, the plug-in slot is configured to plug in a memory card, and the terminal assembly is symmetrically arranged on both sides of the plug-in slot with the length direction of the plug-in slot as the axis of symmetry; The terminal assembly comprises a plurality of first terminals and second terminals, the first terminals are provided with first terminal pins at the first ends, the second terminals are provided with second terminal pins at the first ends, the first terminal pins and the second terminal pins extend into the plug-in slot, and the first terminal pins and the second terminal pins are configured to contact the metal contact surface of the memory card; The first terminals and the second terminals on the same side of the plug-in slot do not have overlapping areas in the first direction, the height of the second terminal pins is higher than that of the first terminal pins in the vertical direction, and when the memory card is inserted into the plug-in slot, the metal contact surface first contacts the second terminal pins and then contacts the first terminal pins.

2. The card connector according to claim 1, wherein The first terminals and the second terminals on the same side of the plug-in slot are arranged at intervals in the first direction.

3. The card connector according to claim 1, wherein The terminal assembly further comprises ground terminals, the ground terminals are arranged at intervals between the first terminals and / or the second terminals in the first direction, and the ground terminals have overlapping areas with the first terminals and the second terminals in the first direction.

4. The card connector according to claim 1, wherein First and second inclined surfaces are arranged on both sides of the top end of the plug-in slot, and the first and second inclined surfaces are inclined away from the plug-in slot.

5. The card connector according to claim 3, wherein The second ends of the first terminals, the second ends of the second terminals and the second ends of the ground terminals are all provided with elastic pins, and the elastic pins are in elastic contact with the mainboard.

6. The card connector according to claim 3, wherein A plurality of accommodating grooves are arranged on the insulating body on both sides of the plug-in slot in the first direction, the accommodating grooves are in communication with the plug-in slot in a second direction, the accommodating grooves are arranged at intervals in the first direction, and the accommodating grooves are configured to limit the terminals adjacent in the first direction.

7. The card connector according to claim 1, wherein The second terminals are provided with retaining portions, one side of the retaining portions is provided with a protrusion, the insulating body is provided with a fixing groove, and the retaining portions are plugged into the fixing groove.

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