Card connector adaptive to SD Express

Abstract

The utility model relates to the technical field of connectors, in particular to a card connector adaptive to SD Express, which comprises an insulating body, a connecting terminal arranged on the insulating body and a shielding shell arranged on the insulating body, the insulating body is provided with a plug-in groove, and the shielding shell is used for covering the plug-in groove; the connecting terminal comprises two groups of PCIe channel terminal groups which are arranged in parallel; each PCIe channel terminal group comprises a power supply terminal and three isolated grounding terminals which are arranged at intervals; the power supply terminals of the two PCIe channel terminal groups share one power supply pin; and the three isolation grounding terminals of the two PCIe channel terminal groups share one grounding pin. According to the utility model, the structure is novel, the structure of the pin in the connection terminal is simplified, so that the installation space is saved, the production difficulty is simplified, the product yield is improved, and the labor cost and the material cost are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a card connector adapted to SD Express. Background Art

[0002] In the continuous evolution of storage technology, the launch of the SD Express 8.0 standard marks a major leap forward in SD card technology. By integrating the PCI Express (PCIe) 4.0 interface, it pushes the data transfer rate to a new height, theoretically up to 4GB / s. This performance leap places higher demands on the physical design of memory cards, especially in terms of connector structure. In order to support faster PCIe transmission, the SD Express 8.0 card connector needs to be equipped with more channel contact points and terminals, as well as a denser PCB solder pin layout to ensure the stability and reliability of high-speed data transmission. However, this is accompanied by a significant increase in the complexity of the connector structure, which greatly increases the difficulty of production and processing, which is a major challenge for manufacturers.

[0003] Traditional SD card connector designs often fail to meet the high standards of SD Express 8.0, especially considering the need to achieve efficient, high-density signal transmission in a limited space while ensuring good signal integrity, electrical isolation, and mechanical stability. During the production process, the complex multi-pin structure easily leads to difficult precision control, low assembly efficiency, and reduced yield, which in turn affects the cost-effectiveness and market competitiveness of the product.

[0004] In view of the above challenges, an innovative connector design solution is urgently needed to simplify the production difficulty of SD Express 8.0 cards while ensuring their high-performance transmission requirements. Summary of the invention

[0005] In view of the problems of the prior art, the utility model provides a card connector adapted to SD Express, which has a novel structure and ingenious design. The power terminals of two groups of PCIe channel terminal groups share one power pin; the three isolated grounding terminals of the two groups of PCIe channel terminal groups share one grounding pin. Under this setting, the pins in the connecting terminals are streamlined and simplified to save installation space, which is conducive to simplifying production difficulty, improving product yield, and reducing labor costs and material costs.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] The utility model provides a card connector adapted to SD Express, which comprises an insulating body, a connecting terminal arranged on the insulating body, and a shielding shell installed on the insulating body, wherein the insulating body is provided with a plug-in slot, and the shielding shell is used to cover the plug-in slot;

[0008] The connection terminals include two groups of PCIe channel terminal groups arranged in parallel, and the PCIe channel terminal groups include a power terminal and three isolated grounding terminals arranged at intervals;

[0009] The power terminals of the two groups of PCIe channel terminal groups share one power pin;

[0010] The three isolated ground terminals of the two groups of PCIe channel terminal groups share one ground pin.

[0011] The power terminal includes a first elastic force arm, a first contact portion connected to one end of the first elastic force arm, and a first connecting portion connected to the other end of the first elastic force arm, and the first connecting portion is connected to the power pin.

[0012] The first contact portion, the first elastic force arm, the first connecting portion and the power pin are integrally formed.

[0013] The isolated grounding terminal includes a second elastic force arm, a second contact portion connected to one end of the second elastic force arm, and a second connecting portion connected to the other end of the second elastic force arm, and the second connecting portion is connected to the grounding pin.

[0014] The second contact portion, the second elastic force arm, the second connecting portion and the grounding pin are integrally formed.

[0015] Wherein, the connecting terminal and the insulating body are formed by integral injection molding.

[0016] Beneficial effects of the utility model:

[0017] The utility model has a novel structure and ingenious design. Two groups of parallel PCIe channel terminal groups in the connecting terminal are in contact with the PCIe dual-channel contact points of SD Express 8.0 to realize PCIe dual-channel full-duplex data transmission. Among them, the power terminals of the two groups of PCIe channel terminal groups share a power pin; the three isolated grounding terminals of the two groups of PCIe channel terminal groups share a grounding pin. Under this setting, the pins in the connecting terminal are streamlined and simplified to save installation space, which is conducive to simplifying production difficulty, improving product yield, and reducing labor costs and material costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1The utility model is a structural schematic diagram of a card connector adapted to SD Express.

[0019] Figure 2 It is a structural schematic diagram of the connecting terminal of the utility model.

[0020] Figure 3 This is a schematic structural diagram of the connecting terminal of the utility model from another viewing angle.

[0021] exist Figures 1 to 3 Reference numerals in the drawings include:

[0022] 100. Insulating body; 101. Shielding shell; 102. Plug-in slot; 103. PCIe channel terminal group; 104. Power terminal; 105. Isolation grounding terminal; 106. Power pin; 107. Grounding pin; 108. First elastic force arm; 109. First contact portion; 110. First connecting portion; 111. Second elastic force arm; 112. Second contact portion; 113. Second connecting portion; 114. Connecting terminal. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with the embodiments and drawings, and the contents mentioned in the implementation modes are not intended to limit the present invention. The present invention is described in detail below in conjunction with the drawings.

[0024] like Figures 1 to 3A card connector adapted to SD Express is shown, which includes an insulating body 100, a connecting terminal 114 arranged on the insulating body 100, and a shielding shell 101 installed on the insulating body 100, wherein the insulating body 100 is provided with a plug-in slot 102, and the shielding shell 101 is used to cover the plug-in slot 102; the connecting terminal 114 includes two groups of PCIe channel terminal groups 103 arranged in parallel, and the PCIe channel terminal groups 103 include a power terminal 104 and three isolated grounding terminals 105 arranged at intervals; the power terminals 104 of the two groups of PCIe channel terminal groups 103 share a power pin 106; the three isolated grounding terminals 105 of the two groups of PCIe channel terminal groups 103 share a grounding pin 107. Specifically, the embodiment of the present application has a novel structure and an ingenious design. The two groups of parallelly arranged PCIe channel terminal groups 103 in the connecting terminal 114 are in contact and connected with the PCIe dual-channel contact points of SDExpress 8.0 to realize PCIe dual-channel full-duplex data transmission; wherein, the power terminals 104 of the two groups of PCIe channel terminal groups 103 share a power pin 106; the three isolated grounding terminals 105 of the two groups of PCIe channel terminal groups 103 share a grounding pin 107. Under this setting, the pins in the connecting terminal 114 are streamlined and simplified to save installation space, which is conducive to simplifying production difficulty, improving product yield, and reducing labor costs and material costs.

[0025] In the embodiment of the present application, the power terminal 104 includes a first elastic force arm 108, a first contact portion 109 connected to one end of the first elastic force arm 108, and a first connecting portion 110 connected to the other end of the first elastic force arm 108, and the first connecting portion 110 is connected to the power pin 106. Specifically, the first contact portion 109 is used to contact and conduct with the power contact in the PCIe channel of SD Express 8.0, and the first elastic force arm 108 is used to maintain the contact between the first contact portion 109 and the power contact in the PCIe channel of SD Express 8.0. Different power terminals 104 are respectively used to connect to the same power pin 106 through the first connecting portion 110, so that the power pin 106 is shared.

[0026] In the embodiment of the present application, the isolated grounding terminal 105 includes a second elastic force arm 111, a second contact portion 112 connected to one end of the second elastic force arm 111, and a second connecting portion 113 connected to the other end of the second elastic force arm 111, and the second connecting portion 113 is connected to the grounding pin 107. Specifically, the second contact portion 112 is used to contact and conduct with the grounding contact in the PCIe channel of SD Express 8.0, and the second elastic force arm 111 is used to maintain the contact between the second contact portion 112 and the grounding contact in the PCIe channel of SD Express 8.0. Different isolated grounding terminals 105 are respectively used to connect to the same grounding pin 107 through the second connecting portion 113, so that the grounding pin 107 is shared.

[0027] In the embodiment of the present application, the first contact portion 109, the first elastic force arm 108, the first connection portion 110 and the power pin 106 are integrally formed. The second contact portion 112, the second elastic force arm 111, the second connection portion 113 and the ground pin 107 are integrally formed. Specifically, under the above configuration, the power terminal 104 and the isolated ground terminal 105 are structurally integrated, and the structural stability is good.

[0028] In the embodiment of the present application, the connecting terminal 114 and the insulating body 100 are formed by integral injection molding. The above configuration is conventional technology and will not be described in detail here.

[0029] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiments according to the technology of the utility model, which does not depart from the content of the technical solution of the utility model, belongs to the scope of the technical solution of the utility model.

Claims

1. A card connector adapted to SD Express, characterized in that: It comprises an insulating body, a connecting terminal arranged on the insulating body and a shielding shell installed on the insulating body, wherein the insulating body is provided with a plug-in slot, and the shielding shell is used to cover the plug-in slot; The connection terminals include two groups of PCIe channel terminal groups arranged in parallel, and the PCIe channel terminal groups include a power terminal and three isolated grounding terminals arranged at intervals; The power terminals of the two groups of PCIe channel terminal groups share one power pin; The three isolated ground terminals of the two groups of PCIe channel terminal groups share one ground pin.

2. The card connector adapted to SD Express according to claim 1, characterized in that: The power terminal includes a first elastic force arm, a first contact portion connected to one end of the first elastic force arm, and a first connecting portion connected to the other end of the first elastic force arm, wherein the first connecting portion is connected to the power pin.

3. The card connector adapted to SD Express according to claim 2, characterized in that: The first contact portion, the first elastic force arm, the first connecting portion and the power pin are integrally formed.

4. The card connector adapted to SD Express according to claim 1, characterized in that: The isolated grounding terminal includes a second elastic force arm, a second contact portion connected to one end of the second elastic force arm, and a second connecting portion connected to the other end of the second elastic force arm, and the second connecting portion is connected to the grounding pin.

5. The card connector adapted to SD Express according to claim 4, characterized in that: The second contact portion, the second elastic force arm, the second connecting portion and the grounding pin are integrally formed.

6. The card connector adapted to SD Express according to claim 1, characterized in that: The connecting terminal and the insulating body are integrally formed by injection molding.

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