Electric connector and electronic device

Abstract

The invention provides an electric connector and an electronic device, the electric connector is applied to a mainboard, and the electric connector comprises a substrate which is provided with a plurality of accommodating grooves, the accommodating grooves are arranged at intervals, each accommodating groove is internally provided with a connecting piece made of a conductive material, and each connecting piece is used for being electrically connected with a circuit structure of the mainboard; and a plurality of connecting terminals, each connecting terminal is inserted into the corresponding accommodating groove and abuts against the corresponding connecting piece, and the plurality of connecting terminals are used for abutting against an electronic element covering the substrate, so that the electronic element is electrically connected with the circuit structure through the plurality of connecting terminals and the plurality of connecting pieces. According to the electric connector and the electronic device provided by the invention, the extension length of the connecting terminal can be reduced, so that the transmission path of a signal transmitted by the connecting terminal is reduced, and the stability and accuracy of signal transmission are improved.

Description

Technical Field

[0001] This application relates to the technical field of electrical connectors, and particularly to an electrical connector. Background Technology

[0002] Currently, electronic devices can use insulated sockets on the motherboard to hold multiple metal terminals, forming a connector for the Central Processing Unit (CPU). However, these metal terminals need to be encased within the socket, resulting in an extension of the terminals. Consequently, when signals are transmitted between the CPU and the motherboard, the signal must pass entirely through the insulated socket and its encased metal terminals, thus lengthening the signal transmission path and increasing signal loss. Summary of the Invention

[0003] In view of the above, it is necessary to provide an electrical connector and an electronic device to solve the above-mentioned defects.

[0004] In a first aspect, embodiments of this application provide an electrical connector applied to a motherboard. The electrical connector includes: a substrate with multiple receiving slots spaced apart, each receiving slot containing a connector made of conductive material, each connector being used for electrical connection with the circuit structure of the motherboard; and multiple connecting terminals, each connecting terminal being inserted into a corresponding receiving slot and abutting against a corresponding connector, the multiple connecting terminals being used for abutting against electronic components covering the substrate, thereby achieving electrical connection between the electronic components and the circuit structure through the multiple connecting terminals and multiple connectors. Optionally, the receiving slot includes: a connecting slot, in which a connector is housed and a connecting terminal is inserted; and a clearance slot, located on one side of the connecting slot and communicating with it, wherein the width of the connecting slot is greater than the width of the clearance slot, and the clearance slot corresponds to a portion of the structure of the connecting terminal and is used to house its corresponding portion of the structure.

[0005] Optionally, the receiving slots are arranged in multiple rows along the length of the base; there are multiple receiving slots in each row, and the multiple receiving slots are arranged at intervals along the width of the base; the projection of the connecting slot of each receiving slot along the length of the base coincides with the projection of the clearance slot in the adjacent receiving slot along the width of the base along the length of the base.

[0006] Optionally, the connector is annular and is fitted onto the connecting terminal; a clearance opening is provided on one side of the connector, which communicates with the clearance groove, and the clearance opening is used to allow part of the structure of the connecting terminal to pass through.

[0007] Optionally, the connection terminal includes: a plug-in tab for inserting into the receiving groove and abutting against the connector; and an abutting tab connected to the plug-in tab and at least partially extending out of the receiving groove, the abutting tab for abutting against an electronic component.

[0008] Optionally, the width of the plug-in piece is greater than the width of the abutment piece, and the receiving groove includes: a connecting groove, in which the connector is housed and the plug-in piece is inserted into the connecting groove; and a clearance groove, located on one side of the connecting groove and communicating with the connecting groove, wherein the width of the connecting groove is greater than the width of the clearance groove, the clearance groove corresponds to the abutment piece and is used to partially house the abutment piece.

[0009] Optionally, the abutment includes: a curved arm connected to the abutment; and an elastic arm connected to the end of the curved arm away from the abutment, wherein the extension direction of the elastic arm is set at an angle to the vertical direction, and the end of the elastic arm away from the curved arm is used to abut against the electronic component; wherein the elastic arm and the curved arm are used to support the electronic component through elastic force generated by elastic deformation.

[0010] Optionally, the electrical connector further includes: a plurality of positioning seats spaced apart on the substrate, each positioning seat being used to block one side of the electronic component in the length direction and / or width direction to achieve positioning of the electronic component on the substrate.

[0011] Optionally, the positioning seat has a positioning groove, the bottom wall of which is used to support the electronic component, so that the electronic component is spaced apart from the substrate, and the side wall of the positioning groove is used to block the electronic component from one side in the length direction and / or width direction.

[0012] Secondly, embodiments of this application provide an electronic device, including: a motherboard, including a circuit structure and an electrical connector as described above; and electronic components disposed on the electrical connector.

[0013] The electrical connector and electronic device provided in this application eliminate the need for the connection terminal to pass through a base before electrical connection to the circuit structure. This saves on the structure required for the base to pass through the connection terminal, thus reducing the extension length of the connection terminal while maintaining electrical connection between the connection terminal and electronic components and circuit structure. Consequently, the transmission path of signals transmitted through the connection terminal is reduced. This also reduces signal loss at the connection terminal, improving the stability and accuracy of signal transmission. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the electronic device in an embodiment of this application.

[0015] Figure 2 This is a structural disassembly diagram of the electronic device in an embodiment of this application.

[0016] Figure 3 yes Figure 2Enlarged view of section III.

[0017] Figure 4 yes Figure 2 Enlarged view of section IV in the middle.

[0018] Figure 5 This is a partial structural schematic diagram of the electrical connector in an embodiment of this application.

[0019] Figure 6 This is a partial structural disassembly diagram of the electrical connector in an embodiment of this application.

[0020] Explanation of key component symbols: 100. Electronic device; 101. Electronic component; 102. Electrical connector; 10. Substrate; 11. Receiving groove; 111. Connecting groove; 112. Clearance groove; 12. Connector; 121. Clearance opening; 20. Connecting terminal; 21. Insertion piece; 22. Abutment piece; 221. Bending arm; 222. Elastic arm; 30. Positioning seat; 31. Positioning groove. Detailed Implementation

[0021] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments.

[0022] The term "multiple" in this application refers to two or more. Furthermore, it should be understood that the terms "first," "second," etc., used in the description of this application are used only for descriptive purposes and should not be construed as indicating or implying relative importance, nor as indicating or implying order.

[0023] In the description of the embodiments in this application, the words "exemplary" or "for example" are used to indicate that they are examples, illustrations, or descriptions. Any embodiment or design that is described as "exemplary" or "for example" in the embodiments of this application should not be construed as being more preferred or advantageous than other embodiments or design options. Specifically, the use of the words "exemplary" or "for example" is intended to present the relevant concepts in a specific manner.

[0024] Please see Figure 1 and Figure 2 , Figure 1 and Figure 2 An electronic device 100 provided by an embodiment of this application is shown.

[0025] In embodiments of this application, the electronic device 100 may include a motherboard and electronic components 101. The motherboard may include a base plate and a circuit structure (not shown) disposed on the base plate, wherein the base plate is made of insulating material, and the circuit structure may be fixed on the base plate by means of printing and wiring.

[0026] The motherboard may include an electrical connector 102, which may be a component of the motherboard, i.e., the electronic device 100 may include the electrical connector 102. The electrical connector 102 may carry electronic components 101 and be electrically connected to the electronic components 101, thereby enabling the installation of the electronic components 101 on the motherboard.

[0027] It is understood that the base plate can have a multi-layer structure, and a portion of the structure of the electrical connector 102 can constitute a portion of at least one layer of the base plate structure, and other structures of the electrical connector 102 can be formed on that portion of the structure. Circuit structures can be disposed between the multi-layer structures and / or on the surface of the base plate, and the electrical connector 102 can be electrically connected to the circuit structures.

[0028] It is understood that the electronic device 100 can be a device used in electronic devices such as computers and servers. Different components can be set on its motherboard according to different application scenarios, and the components can be electrically connected to the circuit structure of the motherboard to cooperate in realizing the function of the electronic device 100.

[0029] In the implementation of this application, the type of electronic component 101 is not specifically limited. For example, electronic component 101 may be, but is not limited to, a central processing unit (CPU), a microprocessor, an integrated circuit chip, etc.

[0030] In embodiments of this application, the length, width, and height directions of the electronic device 100 can be defined as a first horizontal direction, a second horizontal direction, and a vertical direction, respectively. For example, the first horizontal direction can be... Figure 1 and Figure 2 The X direction and its opposite direction are shown. The second horizontal direction can be... Figure 1 and Figure 2 The Y-direction and its opposite direction are shown; the vertical direction can be... Figure 1 and Figure 2 The Z direction and its opposite direction are shown.

[0031] The length direction of the electrical connector 102 and the length direction of the electronic component 101 can coincide, and both are in the first horizontal direction; the width direction of the electrical connector 102 and the width direction of the electronic component 101 can coincide, and both are in the second horizontal direction; the height direction of the electrical connector 102 and the height direction of the electronic component 101 can coincide, and both are in the vertical direction.

[0032] Please refer to the following: Figure 3 and Figure 4 In one embodiment, the electrical connector 102 may include a base 10 and a connection terminal 20.

[0033] The substrate 10 can be made of an insulating material and can constitute part of the base plate structure. Multiple receiving slots 11 can be formed on the substrate 10. These receiving slots 11 can be arranged in multiple rows along a first horizontal direction, with each row containing multiple receiving slots 11. The receiving slots 11 are also spaced apart along a second horizontal direction. Each receiving slot 11 can accommodate at least one connector 12, which is made of a conductive metal material. The connector 12 can be fixedly connected to the substrate 10 and electrically connected to the circuit structure in the motherboard.

[0034] There can be multiple connection terminals 20, and each connection terminal 20 corresponds one-to-one with a multiple receiving slot 11. Each connection terminal 20 can be inserted into its corresponding receiving slot 11 and fixed relative to the base 10. The connection terminal 20 can be made of a conductive metal material. Each connection terminal 20 can abut against the connector 12 in its corresponding receiving slot 11, thereby electrically connecting to the connector 12 and the circuit structure.

[0035] Electronic component 101 can cover electrical connector 102, that is, it can be located on top of electrical connector 102. Multiple connection contacts (not shown) can be provided on the bottom of electronic component 101. Multiple connection terminals 20 can correspond one-to-one with the multiple connection contacts on the bottom of electronic component 101, and the top of each connection terminal 20 can abut against the corresponding connection contact, thereby realizing the electrical connection between electronic component 101 and the multiple connection terminals 20, and realizing the electrical connection between electronic component 101 and the motherboard.

[0036] It is understandable that the connection points can be made of conductive metal. The principle of setting multiple connection points at the bottom of electronic component 101 and achieving electrical connection between electronic component 101 and motherboard through the contact of connection terminal 20 with the connection points is a common principle in related fields and will not be elaborated here.

[0037] It is understood that multiple connection terminals 20 can protrude from the top of the base 10, i.e., from the top of the bottom plate, so as to be electrically connected to the electronic components 101 covering the electrical connector 102.

[0038] In some cases, the receiving groove 11 can be a through groove, and the bottom of the connector 12 can be exposed from the bottom of the receiving groove 11, providing a path for the connection structure that is electrically connected between the circuit structure and the connector 12, or providing a path for the circuit structure to extend from the bottom of the base 10 to the receiving groove 11 and be electrically connected to the connector 12.

[0039] In other cases, a circuit structure may be provided inside the substrate 10, and the circuit structure may extend from inside the substrate 10 to the receiving groove 11 and be electrically connected to the connector 12.

[0040] It is understood that the connecting terminal 20, the connector 12, and the connecting contact points are all made of conductive materials, thereby enabling the transmission of electrical signals. The materials of the connecting terminal 20, the connector 12, and the connecting contact points can be the same or different, and the embodiments of this application do not limit this. For example, the connecting terminal 20, the connector 12, and the connecting contact points can all be made of copper alloy.

[0041] It is understood that the connecting terminal 20 can be fixed to the base 10 through interference fit with the connector 12 and / or the inner wall of the receiving groove 11. Compared with the related art method of protruding a base on the motherboard, covering the connecting terminal 20 with the base to fix the connecting terminal 20, and then soldering the connecting terminal 20 to the metal layer on the motherboard to achieve the connection between the connecting terminal 20 and the motherboard, the electrical connector 102 provided in this application can save the process of setting the connecting terminal 20 on the motherboard and soldering the connecting terminal 20. Instead, it directly inserts the connecting terminal 20 into the receiving groove 11 of the base 10 to achieve the installation of the connecting terminal 20 in the motherboard and the electrical connection with the circuit structure. This can improve the convenience of the installation of the connecting terminal 20 and improve the production efficiency of the electrical connector 102 and the electronic device 100.

[0042] It is understood that in related fields, the connecting terminal 20 needs to completely pass through the base so that both ends protrude from the base to connect the electronic component 101 and the circuit structure of the motherboard, respectively. However, in the electrical connection provided in this application, the connecting terminal 20 no longer needs to pass through the base before being electrically connected to the circuit structure. This saves on the structure on the connecting terminal 20 used for passing through the base, meaning that while maintaining the electrical connection between the connecting terminal 20 and the electronic component 101 and the circuit structure, the extension length of the connecting terminal 20 is reduced, thereby reducing the transmission path of the signal transmitted through the connecting terminal 20. Thus, conductor loss and dielectric loss of the signal transmitted through the connecting terminal 20 can be reduced simultaneously, improving the stability and accuracy of signal transmission.

[0043] Please refer to the following: Figure 5 and Figure 6 , Figure 5 and Figure 6 A partial structure of the electrical connector 101 is shown.

[0044] In some embodiments, each receiving slot 11 may include a connecting slot 111 and a clearance slot 112.

[0045] The connecting groove 111 and the clearance groove 112 can be arranged in the second horizontal direction, and the clearance groove 112 can be connected from one side of the connecting groove 111 in the second horizontal direction. The width direction of the connecting groove 111 and the width direction of the clearance groove 112 both coincide with the first horizontal direction, and the width of the connecting groove 111 is greater than the width of the clearance groove 112.

[0046] The connector 12 can be located within the connecting groove 111 and fixedly connected to the inner wall of the connecting groove 111. The connector 12 can be annular, and each sidewall of the connector 12 can abut against or be fixedly connected to the corresponding inner wall of the connecting groove 111, so that the space enclosed by the connector 12 can serve as a subspace of the connecting groove 111. A clearance opening 121 is provided on one side of the connector 12 facing the clearance groove 112. The width of the clearance opening 121 can be greater than or equal to the width of the clearance groove 112, but less than the width of the connector 12 in the first horizontal direction.

[0047] The connecting terminal 20 may include a plug-in tab 21 and an abutment tab 22. The abutment tab 22 may be fixedly connected to the top of the plug-in tab 21. The plug-in tab 21 may extend vertically, and the maximum width of the plug-in tab 21 in the second horizontal direction is greater than the width of the abutment tab 22 in the second horizontal direction. The plug-in tab 21 may be inserted into the space formed by the connector 12 and abut against the inner wall of the connector 12 to achieve electrical connection between the connecting terminal 20 and the connector 12. At the same time, the plug-in tab 21 may be fixed by interference with the inner wall of the connector 12, thereby achieving insertion of the plug-in tab 21 in the connecting groove 111, that is, achieving fixation of the connecting terminal 20 in the corresponding receiving groove 11. The bottom of the plug-in tab 21 may be located within the connecting groove 111. The abutment tab 22 may extend from the top of the connecting groove 111 to protrude from the top of the base 10. The abutment tab 22 may abut against the connection contact of the electronic component 101 to achieve electrical connection between the connecting terminal 20 and the electronic component 101.

[0048] Part of the structure of the abutment piece 22 can protrude from the side of the insertion piece 21 facing the clearance groove 112 in the second horizontal direction. The clearance groove 112 can be correspondingly provided with the part of the abutment piece 22 protruding from the insertion piece 21 facing the clearance groove 112, and can accommodate the abutment piece 22 and allow the abutment piece 22 to pass through. The width of the clearance groove 112 can be greater than the maximum width of the abutment piece 22 in the first horizontal direction.

[0049] The clearance opening 121 can be provided corresponding to the part of the abutment piece 22 that protrudes from the side of the insertion piece 21, and can allow the abutment piece 22 to pass through, so that the abutment piece 22 can enter the clearance groove 112.

[0050] In the embodiments of this application, the fixing method for fixed connection is not specifically limited. For example, the fixing method may include, but is not limited to, welding fixing, interference fixing, adhesive fixing, integral molding fixing, and screw fixing.

[0051] It is understood that in the connection terminal 20, the wider insert 21 can be inserted into the connection groove 111 and abut against the connector 12, thereby fixing the insert 21 on the substrate 10 and electrically connecting it to the circuit structure of the motherboard; the narrower abutment 22 can abut against the connection contact at the bottom of the electronic component 101 and support the electronic component 101. The abutment 22 can be elastic and can bend due to the weight of the electronic component 101 during the process of supporting the electronic component 101, i.e., undergo elastic deformation. The clearance groove 112 provides deformation space for the abutment 22, allowing the elastically deformed abutment 22 to approach and enter the clearance groove 112, thereby reducing the probability that the elastically deformed abutment 22 directly abuts against the substrate 10 and affects the elastic deformation capability of the abutment 22, and reducing the probability that the substrate 10, connection terminal 20 and electronic component 101 will be damaged due to compression, thus improving the service life of the electrical connector 102 and electronic device 100.

[0052] In some cases, the connecting groove 111 has one side protruding beyond the clearance groove 112 in the first horizontal direction. In other cases, such as Figure 3 and Figure 6 As shown, the connecting groove 111 can protrude from both sides of the clearance groove 112 in the second horizontal direction. The embodiments of this application do not limit this.

[0053] It is understood that the portion of the connecting groove 111 that protrudes from the avoidance groove 112 on the side wall in the second horizontal direction can block the plug-in piece 21 in the second horizontal direction, thereby maintaining the plug-in piece 21 fixed in the connecting groove 111, reducing the probability of the connecting groove 111 shaking in the receiving groove 11, and improving the stability of signal transmission between the electronic component 101 and the motherboard.

[0054] In some embodiments, every two adjacent receiving slots 11 in the first horizontal direction can be defined as a first receiving slot 11 and a second receiving slot 11. The projection of the connecting slot 111 in the first receiving slot 11 in the first horizontal direction can coincide with the projection of the connecting slot 111 in the second receiving slot 11 in the first horizontal direction, that is, every two adjacent receiving slots 11 in the first horizontal direction are staggered.

[0055] Thus, in every two adjacent receiving slots 11 in the first horizontal direction, the connecting slot 111 of one receiving slot 11 can be correspondingly set with the clearance slot 112 of the other receiving slot 11, thereby avoiding the situation where the connecting slots 111 of the two receiving slots 11 are correspondingly set.

[0056] It is understandable that, since the width of the connecting groove 111 is greater than the width of the clearance groove 112, for two adjacent receiving grooves 11 in the first horizontal direction, the width of the portion between the two connecting grooves 111 would be shortened when the two connecting grooves 111 are correspondingly arranged, thus reducing the structural strength of that portion. However, in this application, the adjacent receiving grooves 11 in the first horizontal direction are staggered, so that the connecting groove 111 of one receiving groove 11 is correspondingly arranged with the clearance groove 112 of the other receiving groove 11. This increases the width of the portion between the connecting groove 111 and the adjacent receiving groove 11, increases the structural strength of that portion, reduces the probability of damage to that portion, and improves the service life of the electrical connector 102.

[0057] In some embodiments, the abutment piece 22 may include a bending arm 221 and a resilient arm 222.

[0058] The curved arm 221 can be fixedly connected to the top of the abutment piece 22 and can protrude from the abutment piece 22 in the second horizontal direction towards the side facing the clearance groove 112. The curved arm 221 can be correspondingly arranged with the clearance groove 112. The curved arm 221 can be bent into a semi-circle or semi-ellipse shape and can undergo elastic deformation when compressed. At the same time, the part where the curved arm 221 connects to the abutment piece 22 is a bent part on the connecting terminal 20. When the abutment piece 22 is compressed, this bent part can undergo elastic deformation, that is, it can bend.

[0059] The elastic arm 222 can be fixedly connected to the top of the abutment piece 22 and can extend away from the insertion piece 21. The extension direction of the elastic arm 222 can be set at an acute angle with the vertical direction. The top of the elastic arm 222 can abut with the connection contact of the electronic component 101. The elastic arm 222 can undergo elastic deformation when compressed.

[0060] It is understood that the abutment piece 22 can support the electronic component 101 through the elastic force generated by the elastic deformation of the bending arm 221 and the elastic arm 222.

[0061] When the contact piece 22 supports the electronic component 101, the weight of the electronic component 101 drives the elastic arm 222 and the bending arm 221 to undergo elastic deformation, allowing the elastic arm 222 to bend and intensifying the bending of the bending arm 221. Simultaneously, when the elastic arm 222 is subjected to pressure from the electronic component 101, it can also push the bending arm 221, causing the bending arm 221 to approach and enter the clearance groove 112. During this process, the connection between the bending arm 221 and the contact piece 21 can undergo bending deformation to facilitate the movement of the bending arm 221.

[0062] In some embodiments, the electrical connector 102 further includes a plurality of positioning seats 30. The plurality of positioning seats 30 can be fixedly connected to the top of the base 10 and are spaced apart from the plurality of receiving slots 11. The plurality of positioning seats 30 can be spaced apart in a first horizontal direction and / or a second horizontal direction. Each positioning seat 30 can abut against the sidewall of the electronic component 101 in the first horizontal direction and / or the second horizontal direction, thereby preventing movement of the electronic component 101. Thus, the plurality of positioning seats 30 can cooperate to block the electronic component 101 in the first and second horizontal directions, thereby reducing the wobbling of the electronic component 101 on the electrical connector 102 and improving the stability of the electrical connection between the connection contacts of the electronic component 101 and the connection terminal 20.

[0063] It is understandable that the positioning seat 30 can be made of insulating material.

[0064] In some embodiments, a positioning groove 31 may be formed on each positioning seat 30. The positioning groove 31 may be a recess. The bottom wall of the positioning groove 31 may abut against the bottom of the electronic component 101, thereby supporting the electronic component 101 and allowing the electronic component 101 to maintain a vertically spaced arrangement with respect to the substrate 10.

[0065] Meanwhile, the sidewall of the positioning groove 31 can abut against the sidewall of the electronic component 101 in the first horizontal direction and / or the second horizontal direction to prevent the electronic component 101 from moving. In this way, the bottom walls and sidewalls of the multiple positioning grooves 31 cooperate to block and position the electronic component 101 in the first horizontal direction, the second horizontal direction and the vertical direction, reducing the shaking of the electronic component 101 on the electrical connector 102.

[0066] In the embodiments of this application, the number of positioning seats 30 and their positions on the base 10 are not specifically limited. For example, as Figure 1 and Figure 2 As shown, the number of positioning seats 30 can be four. The electronic component 101 can be a rectangular chip, and the positioning seats 30 can be located at the four corners of the electronic component 101. Each positioning seat 30 has a positioning groove 31 that can have a bottom wall that supports the electronic component 101 from the bottom, a side wall that blocks the electronic component 101 from a first horizontal direction, and another side wall that blocks the electronic component 101 from a second horizontal direction.

[0067] The electrical connector 102 and electronic device 100 provided by the embodiments of this application save the base structure on the motherboard, and the connection terminal 20 is fixed to the base 10 and electrically connected to the circuit structure of the motherboard by plugging the connection terminal 20 into the receiving groove 11 on the base 10.

[0068] Since the connecting terminal 20 no longer needs to pass through a base before being electrically connected to the circuit structure, the structure for passing through the base on the connecting terminal 20 can be saved. That is, while maintaining the electrical connection between the connecting terminal 20 and the electronic component 101 and the circuit structure, the extension length of the connecting terminal 20 can be reduced, thereby reducing the transmission path of the signal transmitted through the connecting terminal 20. In this way, the signal loss transmitted through the connecting terminal 20 can be reduced, and the stability and accuracy of signal transmission can be improved.

[0069] It will be apparent to those skilled in the art that this application is not limited to the details of the exemplary embodiments described above, and that this application can be implemented in other specific forms without departing from the spirit or essential characteristics of this application. Therefore, the embodiments described above should be considered exemplary and non-limiting in all respects, and the scope of this application is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this application.

Claims

1. An electrical connector, characterized by, The application is applied to a mainboard, and the electric connector comprises: a base provided with a plurality of accommodation grooves, the accommodation grooves are arranged at intervals, each of the accommodation grooves is provided with a connecting piece made of conductive material, and each of the connecting pieces is used for electrically connecting with a circuit structure of the mainboard; a plurality of connecting terminals, each of the connecting terminals is inserted into a corresponding accommodation groove and abuts against a corresponding connecting piece, and the connecting terminals are used for abutting against electronic components covered on the base, so that the electronic components and the circuit structure are electrically connected through the connecting terminals and the connecting pieces.

2. The electrical connector of claim 1, wherein, The accommodation grooves comprise: a connecting groove in which the connecting piece is accommodated, and the connecting terminal is inserted into the connecting groove; an avoiding groove located on one side of the connecting groove and in communication with the connecting groove, the width of the connecting groove is greater than that of the avoiding groove, the avoiding groove corresponds to a part of the connecting terminal, and is used for accommodating the corresponding part.

3. The electrical connector of claim 2, wherein, The accommodation grooves are arranged at intervals in multiple rows in the length direction of the base; the number of the accommodation grooves in each row is multiple, and the accommodation grooves are arranged at intervals in the width direction of the base; the projection of the connecting groove of each of the accommodation grooves in the length direction of the base coincides with the projection of the avoiding groove in the length direction of the base in the accommodation groove adjacent to the accommodation groove in the width direction of the base.

4. The electrical connector of claim 2, wherein, The connecting piece is annular, and the connecting piece is sleeved on the connecting terminal; one side of the connecting piece is provided with an avoiding opening in communication with the avoiding groove, and the avoiding opening is used for allowing a part of the connecting terminal to pass through.

5. The electrical connector of claim 1, wherein, The connecting terminal comprises: an insertion piece used for being inserted into the accommodation groove and abutting against the connecting piece; an abutting piece connected with the insertion piece and at least partially protruding from the accommodation groove, and the abutting piece is used for abutting against the electronic component.

6. The electrical connector of claim 5, wherein, The width of the insertion piece is greater than that of the abutting piece, and the accommodation groove comprises: a connecting groove in which the connecting piece is accommodated, and the insertion piece is inserted into the connecting groove; an avoiding groove located on one side of the connecting groove and in communication with the connecting groove, the width of the connecting groove is greater than that of the avoiding groove, the avoiding groove corresponds to the abutting piece, and is used for partially accommodating the abutting piece.

7. The electrical connector of claim 5, wherein, The abutting piece comprises: a bending arm connected with the abutting piece; a resilient arm connected to one end of the bending arm away from the insertion piece, the extension direction of the resilient arm is arranged at an angle with the vertical direction, and one end of the resilient arm away from the bending arm is used for abutting against the electronic component; wherein the resilient arm and the bending arm are used for supporting the electronic component through the elastic force generated by elastic deformation.

8. The electrical connector of claim 1, wherein, Further comprising: a plurality of positioning seats arranged at intervals on the base, each of the positioning seats is used for blocking one side of the electronic component in the length direction and / or the width direction, so as to realize the positioning of the electronic component on the base.

9. The electrical connector of claim 8, wherein, The positioning seat is provided with a positioning groove, a bottom wall of the positioning groove is used for supporting the electronic component, so that the electronic component is arranged in a spaced manner with the substrate, and a side wall of the positioning groove is used for blocking one side of the electronic component in the length direction and / or the width direction.

10. An electronic device, comprising: Comprise: A mainboard comprising a circuit structure and the electric connector according to any one of claims 1-9; An electronic component arranged on the electric connector.

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