Card edge connector

Abstract

The utility model discloses a card edge connector, which is used for accommodating an electronic card and comprises an insulating body and an ear clip, the insulating body comprises a main body part, a first tower part and a second tower part, the first tower part and the second tower part are arranged at the left end and the right end of the main body part, and the first tower part is higher than the second tower part. A first buckling part and a first guide surface located above the first buckling part are arranged in the first tower part, the first guide surface is located on the side away from the second tower part in the left-right direction, and the first guide surface obliquely extends towards the first buckling part from top to bottom and is used for guiding one side edge of an electronic card to be buckled with the first buckling part; the ear clip is movably mounted on the second tower part and is provided with a second buckling part for buckling the other side edge of the electronic card, and the second buckling part is higher than the first buckling part and lower than the lower edge of the first guide surface, so that the electronic card can be mounted and dismounted more smoothly; the side wall of the first tower part is prevented from being collided when the electronic card exits due to the heightened design of the first tower part, and the durability of the electronic card is improved.

Description

[Technical Field]

[0001] This utility model relates to a card edge connector, and more particularly to a card edge connector that facilitates the insertion of electronic cards. [Background Technology]

[0002] Card edge connectors are widely used in computer equipment to house electronic cards. Compared to DDR5, the biggest advantage of DDR6 memory is that it can provide higher memory bandwidth and lower power consumption. High-capacity memory cards are typically larger than standard memory cards. To avoid occupying too much space on the motherboard, the height of high-capacity memory cards is increased perpendicular to the motherboard, while avoiding changes to the card's vertical and horizontal dimensions. This minimizes the space occupied by the electrical connectors connecting the memory card on the motherboard. Typically, high-capacity MRDIMM / DDR6 memory cards are significantly taller than standard memory cards. As the height of the memory card increases, the difficulty of inserting and removing it also increases accordingly.

[0003] Existing card edge connectors include an insulating body with a slot and two locking clips rotatably mounted at both ends of the insulating body's longitudinal length. The insulating body also has a slot and two towers located at both ends of the slot's longitudinal length. Two extension clips are mounted above the two locking clips. These extension clips are added to secure the memory card more firmly. However, the addition of these extension clips increases the depth to which the memory card needs to be inserted vertically from top to bottom. Since the extension clips lack any guiding structure, the memory card is prone to misalignment during insertion, leading to difficulty in insertion. In some cases, the lower end of the memory card may even hit the inner wall of the extension clip, preventing proper insertion. Inserting the memory card into the slot can be difficult or even damage it. Furthermore, because the two extensions are of equal height, users can only insert the memory card vertically, resulting in significant resistance at the beginning and a poor insertion experience. Additionally, the two locking mechanisms on the left and right sides of the card edge connector are symmetrically designed at the same height. Therefore, for heavier and taller memory cards, the uneven weight distribution between the gold finger end and the opposite upper end can cause uneven force distribution during insertion and removal, potentially leading to localized stress concentration and affecting the memory card's durability.

[0004] Therefore, it is necessary to provide a new edge connector to overcome the above-mentioned defects. [Utility Model Content]

[0005] In view of the problems in the background technology, the purpose of this utility model is to provide a card edge connector in which a first guide surface is provided in the first tower part to facilitate the insertion of electronic cards, and a second latching part is higher than the first latching part and lower than the lower edge of the first guide surface to disperse stress.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a card edge connector for docking with an electronic card, comprising: an insulating body arranged longitudinally along the left-right direction, the insulating body including a main body portion and a first tower portion and a second tower portion disposed at the left and right ends of the main body portion, the main body portion having a slot recessed downward for receiving the electronic card, the first tower portion being higher than the second tower portion in the vertical direction, the first tower portion for receiving one side of the electronic card, the first tower portion having a first latch portion and a first guide surface located above the first latch portion, the first guide surface being located on the side away from the second tower portion in the left-right direction, the first guide surface extending obliquely downwards towards the first latch portion to guide one side of the electronic card to engage with the first latch portion in the vertical direction, the second tower portion for receiving the other side of the electronic card; an ear clip movably installed on the second tower portion, the ear clip having a second latch portion, the second latch portion for engaging the other side of the electronic card in the vertical direction, the second latch portion being higher than the first latch portion and lower than the lower edge of the first guide surface.

[0007] Furthermore, the first tower part includes an upper tower part arranged in the vertical direction and a lower tower part connected to the lower end of the upper tower part. The upper tower part is provided with an upper receiving groove, and the lower tower part is provided with a lower receiving groove. The lower receiving groove is connected to the upper receiving groove in the vertical direction and to the slot in the horizontal direction. The width of the upper receiving groove in the front-back direction is smaller than the width of the lower receiving groove in the front-back direction. A first guide surface is formed on the side wall surface of the upper receiving groove away from the second tower part in the horizontal direction. A first snap-fit ​​part is provided in the lower receiving groove.

[0008] Furthermore, the upper container is provided with a second guide surface on both the front and rear walls and a vertical surface extending downward from the lower edge of the second guide surface. The distance between the two second guide surfaces, which are arranged opposite each other in the front-rear direction, gradually narrows from top to bottom. The inclination angle of the second guide surface is greater than that of the first guide surface. The vertical surface is located below the first guide surface. The two vertical surfaces are used to limit the electronic card in the front-rear direction.

[0009] Furthermore, the first tower section also includes an extension protruding upward from the top of the upper tower section. The extension is located on the right side of the upper cavity in the left-right direction. The extension has an inclined surface that extends from top to bottom towards the first guide surface. The inclination angle of the inclined surface is greater than the inclination angle of the first guide surface, and the length of the first guide surface in the vertical direction is greater than the length of the inclined surface in the vertical direction.

[0010] Furthermore, the upper tower and lower tower are designed as separate parts, with the lower tower being integrally formed with the main body, and the upper tower being detachably installed on the lower tower from top to bottom.

[0011] Furthermore, the top of the lower tower is higher than or level with the top of the second tower.

[0012] Furthermore, the first tower section is provided with a metal fastener located below the first guide surface. The metal fastener is provided with an elastic part that can move relative to the electronic card in the left-right direction. The first latching part is a latching hole that passes through the elastic part in the left-right direction. The latching hole extends in the up-down direction and the upper edge of the latching hole is the latching surface of the first latching part.

[0013] Furthermore, the first tower portion has a rib on each of its two inner sides facing each other in the front-back direction below the first guide surface. The ribs extend in the vertical direction and do not overlap with the buckle hole in the left-right direction. The two ribs are used to limit the elastic part of the upper limit to shift towards the slot in the left-right direction.

[0014] Furthermore, the distance between the lower edge of the first guide surface and the second latching part in the vertical direction is more than 0.75 mm and less than 2.80 mm.

[0015] This utility model also discloses a card edge connector for docking with an electronic card. It is characterized by comprising: an insulating body extending longitudinally in a left-right direction, the insulating body including a main body portion and a first tower portion and a second tower portion located at the left and right ends of the main body portion; the main body portion having a slot for receiving the electronic card; the first tower portion being higher than the second tower portion in a vertical direction; the first tower portion having an upper receiving groove and a lower receiving groove communicating with the upper receiving groove in a vertical direction; the upper and lower receiving grooves being used to receive the same side of the electronic card; a first guide surface being provided in the upper receiving groove, the first guide surface being located on the side of the upper receiving groove away from the second tower portion in a left-right direction, and the first guide surface extending obliquely downwards towards the slot; a metal fastener provided in the lower receiving groove, including a first latching portion for holding the electronic card in a vertical direction, the first latching portion being lower than the lower edge of the first guide surface; and an ear fastener provided in the second tower portion, including a second latching portion for holding the electronic card in a vertical direction, the second latching portion being located between the lower edge of the first latching portion and the first guide surface in a vertical direction.

[0016] In this invention, the first tower of the card edge connector is higher than the second tower. This raised design allows the electronic card to be held in place for a longer distance along its height, extending the protection of the card's side. The second latching part is higher than the first latching part, meaning their latching points are positioned differently. This results in a more even stress distribution on the card during removal, making the latching more stable. The second latching part is lower than the lower edge of the first guide surface. The first guide surface not only guides the insertion of the electronic card but also serves as a marking to prevent mistaken insertion, making it easier for the user to understand the insertion sequence. In other words, the electronic card can be inserted into the slot at an angle towards the first tower. Guided by the first guide surface, one side of the electronic card is first held by the first latch, and then the other side is held by the second latch, ensuring that the electronic card can be inserted in place and that there is good electrical contact between the electronic card and the card edge connector. At the same time, when the electronic card is removed, the first guide surface can also play a role in avoiding obstruction. That is, when the electronic card is tilted out, the other side of the electronic card can be guided out by the first guide surface. This makes the installation and removal smoother and avoids the electronic card from colliding with the side wall of the first tower when it is removed due to the heightened design of the first tower, thus improving the durability of the electronic card. [Attached Image Description]

[0017] Figure 1 This is an exploded view of the first embodiment of the card edge connector of this utility model;

[0018] Figure 2 for Figure 1 A 3D view of the electronic card before it is inserted into the card edge connector;

[0019] Figure 3 for Figure 2 Top view of the electronic card after it has been inserted into the card edge connector;

[0020] Figure 4 for Figure 3 A sectional view along the line of sight AA;

[0021] Figure 5 for Figure 3 A sectional view along the line of sight BB;

[0022] Figure 6 for Figure 3 A sectional view along the CC line of sight;

[0023] Figure 7 for Figure 4 A cross-sectional view of an electronic card inserted at an angle in three dimensions;

[0024] Figure 8 for Figure 7 A cross-sectional view of the electronic card after it has been inserted, taken from a three-dimensional perspective.

[0025] Figure 9 for Figure 3 A cross-sectional view along the AA section line behind the hidden electronic card;

[0026] Figure 10 This is an exploded view of the second embodiment of the card edge connector of this utility model;

[0027] Figure 11 for Figure 9 A 3D view of the electronic card before it is inserted into the card edge connector;

[0028] Figure 12 for Figure 10 A cross-sectional view from a stereoscopic perspective after the electronic card is inserted into the card edge connector.

[0029] Explanation of icon numbers:

[0030]

[0031]

Detailed Implementation Methods

[0032] To facilitate a better understanding of the purpose, structure, features, and effects of this utility model, the present utility model will now be further described in conjunction with the accompanying drawings and specific embodiments.

[0033] In this utility model, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. This is only for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this utility model.

[0034] like Figures 1 to 9 As shown, the card edge connector 100 of this invention is used to transmit high-speed signals, and the card edge connector 100 is used for electrical connection with the electronic card 200 and the circuit board (not shown). That is, the circuit board and the electronic card 200 are electrically connected through the card edge connector 100, and the card edge connector 100 acts as a bridge to transmit electrical signals between the circuit board and the electronic card 200. The card edge connector 100 is located above the circuit board, and the electronic card 200 is inserted downwards into the card edge connector 100.

[0035] like Figure 1 , Figure 2 and Figure 4As shown, the card edge connector 100 includes an insulating body 1, multiple conductive terminals, an ear clip 3, and a metal fastener 2. The conductive terminals are disposed on the insulating body 1 for docking with the electronic card 200. The ear clip 3 is installed at one end of the insulating body 1, and the metal fastener 2 is installed at the other end of the insulating body 1. The insulating body 1 is used to accommodate an electronic card 200. The ear clip 3 and the metal fastener 2 are both used to hold the two sides of the electronic card 200 in the vertical direction Z after the electronic card 200 is inserted, so that the electronic card 200 can be stably inserted into the insulating body 1.

[0036] like Figure 1 and Figure 4 As shown, the insulating body 1 includes a main body 11 and a first tower 12 and a second tower 13 disposed at the left and right ends of the main body 11. The main body 11 extends longitudinally in the left-right direction X and has a recessed slot 111 for receiving an electronic card 200. The first tower 12 and the second tower 13 are respectively disposed on the left and right sides of the slot 111. Both the first tower 12 and the second tower 13 protrude from the top surface of the main body 11, and the first tower 12 is higher than the second tower 13. The first tower 12 is used to receive the side of the electronic card 200, and the second tower 13 is used to receive the other side of the electronic card 200. When the electronic card 200 is inserted into the slot 111, the left and right sides of the electronic card 200 are respectively accommodated in the first tower 12 and the second tower 13. This allows the metal fastener 2 and the ear clip 3 to hold the two sides of the electronic card 200, so that the electronic card 200 is stably fixed in the slot 111, ensuring the stability of the signal transmission of the card edge connector 100.

[0037] like Figure 7 and Figure 9 As shown, the first tower portion 12 includes an upper tower portion 12a, a lower tower portion 12b, and an extension portion 123 protruding from the top of the upper tower portion 12a. It can be understood that in the first embodiment, the upper tower portion 12a and the lower tower portion 12b are integrally formed, and the upper tower portion 12a and the lower tower portion 12b are integrally molded with the main body portion 11. However, in the second embodiment, as... Figures 10 to 12 The upper tower 12a' and the lower tower 12b' are separate and detachable. That is, the upper tower 12a' is detachable, while the lower tower 12b' is integrally formed with the main body 11. Compared with the integrally formed first tower 12, the separate tower is more convenient for raising the first tower 12.

[0038] like Figures 4 to 7 as well as Figure 9As shown, the upper tower portion 12a is provided with an upper receiving groove 121. The upper receiving groove 121 contains a first guide surface 1211, two second guide surfaces 1212, and two vertical surfaces 1213. The first guide surface 1211 is located on the wall of the upper receiving groove 121 in the left-right direction X, away from the wall of the second tower portion 13. The first guide surface 1211 extends downwards towards the second tower portion 13. The two second guide surfaces 1212 are opposite walls of the upper receiving groove 121 in the front-back direction Y, and the distance between the two second guide surfaces 1212 gradually narrows from top to bottom. The two vertical surfaces 1213 are located below the corresponding second guide surfaces 1212 and extend downwards from the lower edges of the two second guide surfaces 1212, respectively. The lower edges of the first guide surface 1211 and the second guide surface 1212 are flush, and the tilt angle of the second guide surface 1212 is greater than that of the first guide surface 1211. The length of the first guide surface 1211 and the second guide surface 1212 in the vertical direction Z is greater than that of the vertical surface 1213 in the vertical direction Z. This makes the first guide surface 1211 and the second guide surface 1212 not only have a better guiding effect on the electronic card 200, but also play a role in marking and preventing mistaken insertion, making it easier for users to understand the insertion order of the electronic card 200. The two vertical surfaces 1213 are used to limit the insertion of the electronic card 200 into the slot 111 in the front-back direction Y, so as to maintain the stability of the electronic card 200.

[0039] like Figure 4 and Figure 8 As shown, the extension 123 is located to the right of the upper cavity 121 in the left-right direction X. In this way, the extension 123 will not hinder the installation of the electronic card 200 and can strengthen the structural strength of the top of the first tower 12. The extension 123 is provided with an inclined surface 1231 extending from top to bottom. The inclination angle of the inclined surface 1231 is greater than the inclination angle of the first guide surface 1211 and the second guide surface. The length of the first guide surface 1211 in the vertical direction Z is greater than the length of the first inclined surface 1231 in the vertical direction Z. That is, the inclined surface 1231 and the first guide surface 1211 are not continuous. The inclined surface 1231 can also serve as a mark to prevent mistaken identification and help users identify the insertion order of the electronic card 200.

[0040] like Figure 8 and Figure 9As shown, the top of the lower tower 12b is higher than or level with the top of the second tower 13. The lower tower 12b is provided with a lower receiving groove 122, which connects to the upper receiving groove 121 in the vertical direction Z and to the slot 111 in the horizontal direction X. Specifically, the width of the upper receiving groove 121 in the front-back direction Y is smaller than the width of the lower receiving groove 122 in the front-back direction Y. When the electronic card 200 is inserted, it is first inserted into the upper receiving groove 121 and then into the lower receiving groove 122. Therefore, the narrower upper receiving groove 121 is beneficial for restricting the insertion direction of the electronic card, making... The electronic card 200 can be smoothly inserted into the lower cavity 122. The two inner sides of the lower cavity 122 facing each other in the front-back direction Y are respectively provided with a protruding rib 1221 on the side near the slot 111. Specifically, the protruding rib 1221 is provided in the lower cavity 122 and is located below the vertical surface 1213. Of course, in other embodiments, the protruding rib 1221 can also extend to the upper cavity 121, for example, to the vertical surface 1213, as long as the protruding rib 1221 is located below the first guide surface 1211 and the second guide surface 1212.

[0041] like Figure 1 , Figure 4 and Figure 8 As shown, the metal fastener 2 is located on the lower tower portion 12b. The metal fastener 2 is inserted into the lower receiving groove 122 from bottom to top. The metal fastener 2 includes an elastic portion 21 located at the upper and lower ends and a connecting portion 22. The elastic portion 21 is inserted upward into the lower receiving groove 122, and the elastic portion 21 can move relative to the electronic card 200 in the left-right direction X. The elastic portion 21 has a fastening hole 211 that passes through the elastic portion 21 in the left-right direction X. The fastening hole 211 is used to fasten the side of the electronic card 200, that is, the fastening hole 211. The first latching part 211 has a latching hole 211 extending in the vertical direction Z, with its upper edge serving as the latching surface. Specifically, the protruding ribs 1221 extend in the vertical direction Z and do not overlap with the latching hole 211 in the horizontal direction X. The two protruding ribs 1221 are used to limit the excessive offset of the elastic part 21 towards the slot 111 in the horizontal direction X, thus preventing the elastic part 21 from being excessively pulled out when the electronic card 200 is pulled out, thereby preventing it from undergoing irreversible elastic deformation. The connecting foot 22 extends downward to form an insulating body 1, which is then soldered onto the circuit board, thus making the metal fastener 2 more stably fixed. In other embodiments, the first latching part 211 may also be made of plastic, or it may be integrally formed with the first tower part 12, that is, the first latching part 211 may be a latching point. However, compared with the metal fastener 2, the first latching part 211 with such a design has a more complex component forming process and its structural strength is not as good as that of the metal fastener 2.

[0042] like Figure 4 , Figure 7 as well as Figure 8As shown, the ear clip 3 is movably mounted on the second tower portion 13. Specifically, the ear clip 3 is rotatably mounted on the second tower portion 13. Of course, in other embodiments, the ear clip 3 can also be movably mounted on the second tower portion 13 by lateral translation. The ear clip 3 includes a base 31, a second latching portion 32 disposed above the base 31, a retracting portion 33 disposed below the base 31, and two pivot portions 34 disposed on the front and rear sides of the base 31. The second latching portion 32 is used to hold the other side of the electronic card 200 when the ear clip 3 is inserted into the slot 111. The retracting portion 33 is used to push the electronic card 200 upward when the electronic card 200 is pulled out, so as to facilitate the removal of the electronic card 200. The pivot portions 34 are rotatably engaged with the second tower portion 13 so that the ear clip 3 can switch between an open state and a latched state. Specifically, the second latching part 32 is a plane. The second latching part 32 is higher than the first latching part 211 and lower than the lower edge of the first guide surface 1211. That is, the second latching part 32 is located between the first latching part 211 and the lower edge of the first guide surface 1211 in the vertical direction Z.

[0043] like Figure 9 As shown, the distance D between the lower edge of the first guide surface 1211 and the second latching part 32 in the vertical direction Z is greater than 0.75mm and less than 2.80mm, and is 0.75mm in the specific embodiment.

[0044] The beneficial effects of this utility model are as follows:

[0045] 1. In this utility model, the first tower portion 12 of the card edge connector 100 is higher than the second tower portion 13. Therefore, when the electronic card 200 is inserted and held in place, the raised first tower portion 12 can limit the electronic card 200 for a longer distance in the height direction, which is beneficial for extending and protecting the side of the electronic card 200. The second latch portion 32 is higher than the first latch portion 211, meaning that the latching points of the first latch portion 211 and the second latch portion 32 are at different positions relative to the electronic card 200. This results in a more uniform stress distribution on the electronic card 200 during card removal, making the latch more stable. The second latch portion 32 is lower than the lower edge of the first guide surface 1211. The first guide surface 1211 not only guides the insertion of the electronic card 200 but also serves as a marking and error-proofing function, making it easier for users to understand the insertion sequence. The electronic card 200 can be tilted towards the first tower 12 and inserted into the slot 111. Guided by the first guide surface 1211, one side of the electronic card 200 is first held by the first latching part 211, and then the other side is held by the second latching part 32, ensuring that the electronic card 200 can be inserted in place and that the electronic card 200 has good electrical contact with the card edge connector 100. At the same time, when the electronic card 200 is removed, the first guide surface 1211 can also play a role in avoiding obstruction. That is, when the electronic card 200 is tilted out, the other side of the electronic card 200 can be guided out by the first guide surface 1211, thus achieving smoother installation and removal. This avoids the electronic card 200 from colliding with the side wall of the first tower 12 when it is removed due to the heightened design of the first tower 12, thereby improving the durability of the electronic card 200.

[0046] 2. The width of the upper groove 121 in the front-rear direction Y is smaller than the width of the lower groove 122 in the front-rear direction Y. The first guide surface 1211 is formed on the side wall of the upper groove 121 away from the second tower part 13 in the left-right direction X. The first latching part 211 is disposed in the lower groove 122. When the electronic card 200 is inserted, it is first inserted into the upper groove 121 and then enters the lower groove 122. Therefore, the upper groove 121 is conducive to being smoothly inserted into the lower groove 122 and directly latched by the first latching part 211.

[0047] 3. The distance between the two second guide surfaces 1212, which are arranged opposite each other in the front-back direction Y, gradually narrows from top to bottom. Thus, the second guide surface 1212 also serves to guide the insertion of the electronic card 200. The tilt angle of the second guide surface 1212 is greater than the tilt angle of the first guide surface 1211. This arrangement allows the width between the two vertical surfaces 1213 to be narrower, which facilitates the use of the two vertical surfaces 1213 to limit the insertion of the electronic card 200 into the slot 111 in the front-back direction Y. Even if the electronic card 200 is heightened, the vertical surface 1213 can still limit the electronic card 200, so that the upper end of the electronic card 200 can remain stable and not easily shake.

[0048] 4. The extension 123 is located to the right of the upper receiving slot 121 in the left-right direction X. In this way, the extension 123 will not hinder the installation of the electronic card 200 and can strengthen the structural strength of the top of the first tower 12. The extension 123 is provided with an inclined surface 1231 extending from top to bottom. The inclination angle of the inclined surface 1231 is greater than the inclination angle of the first guide surface 1211 and the second guide surface. Moreover, the length of the first guide surface 1211 in the vertical direction Z is greater than the length of the first inclined surface 1231 in the vertical direction Z. That is, the inclined surface 1231 and the first guide surface 1211 are not continuous. The inclined surface 1231 can also serve as a mark to prevent mistaken identification and help users identify the insertion order of the electronic card 200.

[0049] 5. The upper tower 12a and the lower tower 12b are separate and detachable. Compared with the integrated first tower 12, the separate upper tower 12a and lower tower 12b are easier to manufacture and have better structural strength.

[0050] 6. The top of the lower tower 12b is higher than or level with the top of the second tower 13. With this arrangement, after the upper tower 12a is installed on the lower tower 12b, it is more conducive to increasing the height of the first tower 12.

[0051] 7. Compared to the first buckle part 211 made of plastic, which has lower structural strength, the first buckle part 211 formed by the metal fastener 2 has higher structural strength and better elasticity. When the electronic card 200 is inserted or removed, even if it is pulled by the electronic card 200, the elastic part 21 can recover.

[0052] 8. The protruding rib 1221 extends in the vertical direction Z and is not overlapped with the buckle hole 211 in the horizontal direction X. The protruding rib 1221 will not affect the insertion and removal of the electronic card 200. The two protruding ribs 1221 are used to limit the excessive offset of the elastic part 21 toward the slot 111 in the horizontal direction X, so as to prevent the elastic part 21 from being excessively pulled out when the electronic card 200 is pulled out, thereby causing it to undergo irreversible elastic deformation.

[0053] 9. The distance between the lower edge of the first guide surface 1211 and the second latching part 32 in the vertical direction Z is more than 0.75mm and less than 2.80mm. This ensures that the first tower part 12 can cover more of the electronic card 200, thereby protecting the electronic card 200 and making the electronic card 200 more stable. At the same time, it can prevent the two sides of the electronic card 200 from contacting the first tower part 12 and the second tower part 13 at the same time after the electronic card 200 is inserted.

[0054] The above detailed description is only a description of the preferred embodiment of this utility model and is not intended to limit the patent scope of this utility model. Therefore, all equivalent technical changes made using the content of this invention's specification and illustrations are included within the patent scope of this invention.

Claims

1. A card edge connector for mating with an electronic card, the card edge connector comprising: The application relates to an electronic card holder. The electronic card holder comprises: an insulating body longitudinally arranged along the left-right direction, the insulating body comprising a main body part and a first tower part and a second tower part arranged at the left and right ends of the main body part, the main body part being concave downward and provided with a slot for accommodating an electronic card, the first tower part being higher than the second tower part in the up-down direction and used for accommodating one side edge of the electronic card, the first tower part being provided with a first buckling part and a first guide surface above the first buckling part, the first guide surface being located on the side away from the second tower part along the left-right direction and extending downward and inclined towards the first buckling part to guide the one side edge of the electronic card to be buckled with the first buckling part in the up-down direction, and the second tower part being used for accommodating the other side edge of the electronic card; a clasp movably mounted on the second tower part, the clasp being provided with a second buckling part used for buckling the other side edge of the electronic card in the up-down direction, the second buckling part being higher than the first buckling part and lower than the lower edge of the first guide surface.

2. The card edge connector of claim 1, wherein: The first tower part comprises an upper tower part arranged along the up-down direction and a lower tower part connected to the lower end of the upper tower part, the upper tower part being provided with an upper accommodating groove, the lower tower part being provided with a lower accommodating groove, the lower accommodating groove being communicated with the upper accommodating groove in the up-down direction and communicated with the slot in the left-right direction, the width of the upper accommodating groove in the front-back direction being smaller than the width of the lower accommodating groove in the front-back direction, the first guide surface being formed on the side wall surface of the upper accommodating groove away from the second tower part in the left-right direction, and the first buckling part being arranged in the lower accommodating groove.

3. The card edge connector of claim 2, wherein: The front and back wall surfaces of the upper accommodating groove are each provided with a second guide surface and a vertical surface extending downward from the lower edge of the second guide surface, the distance between the two second guide surfaces arranged oppositely in the front-back direction gradually narrowing from top to bottom, the inclination angle of the second guide surface being larger than the inclination angle of the first guide surface, and the vertical surfaces being located below the first guide surface and used for limiting the electronic card in the front-back direction.

4. The card edge connector of claim 2, wherein: The first tower part further comprises an extension part protruding upward on the top of the upper tower part, the extension part being located on the right side of the upper accommodating groove in the left-right direction, the extension part being provided with an inclined surface extending downward and inclined towards the first guide surface, the inclination angle of the inclined surface being larger than the inclination angle of the first guide surface, and the length of the first guide surface in the up-down direction being larger than the length of the inclined surface in the up-down direction.

5. The card edge connector of claim 2, wherein: The upper tower part and the lower tower part are integrally arranged, the lower tower part is integrally formed with the main body part, and the upper tower part is detachably mounted on the lower tower part from top to bottom.

6. The card edge connector of claim 5, wherein: The top end of the lower tower part is higher than or flush with the top end of the second tower part.

7. The card edge connector of claim 1, wherein: The first tower part is provided with a metal fastener below the first guide surface, the metal fastener being provided with an elastic part movable relative to the electronic card in the left-right direction, the first buckling part being a buckling hole penetrating through the elastic part in the left-right direction, the buckling hole extending in the up-down direction and the upper edge of the buckling hole being the buckling surface of the first buckling part.

8. The card edge connector of claim 7, wherein: The two inner side surfaces of the first tower part oppositely arranged in the front-back direction below the first guide surface are each provided with a protruding rib on the side close to the slot, the protruding rib extending in the up-down direction and not overlapping with the buckling hole in the left-right direction, and the two protruding ribs being used for limiting the excessive deviation of the elastic part towards the slot in the left-right direction.

9. The card edge connector of claim 1, wherein: The distance between the lower edge of the first guide surface and the second buckling part in the up-down direction is greater than 0.75 mm and less than 2.80 mm.

10. A card edge connector for mating with an electronic card, the card edge connector comprising: The application relates to an electronic card holder. An insulating body is longitudinally arranged along the left-right direction, and includes a main body part, a first tower part and a second tower part located at the left and right ends of the main body part. The main body part is provided with a slot for accommodating an electronic card. The first tower part is higher than the second tower part in the up-down direction. The first tower part is provided with an upper accommodating groove and a lower accommodating groove which is communicated with the upper accommodating groove in the up-down direction. The upper accommodating groove and the lower accommodating groove are used to accommodate the same side edge of the electronic card. A first guide surface is arranged in the upper accommodating groove, and the first guide surface is located on the side of the upper accommodating groove away from the second tower part along the left-right direction. The first guide surface extends downwardly and obliquely towards the slot. A metal fastener is arranged in the lower accommodating groove, and includes a first clamping part for clamping the electronic card in the up-down direction. The first clamping part is lower than the lower edge of the first guide surface. An ear fastener is arranged in the second tower part, and includes a second clamping part for clamping the electronic card in the up-down direction. The second clamping part is located between the first clamping part and the lower edge of the first guide surface in the up-down direction.

Images