Card edge connector, edge connector and connector assembly
By employing a terminal module with a double-sided conductive layer structure in the card edge connector, the problem of limited signal transmission channels in traditional connectors is solved, achieving higher-density signal transmission and smaller connector assembly size, thus meeting the needs of compact electronic devices.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU HUAZHAN SPACE APPLIANCE
- Filing Date
- 2025-08-11
- Publication Date
- 2026-05-19
AI Technical Summary
The structure of traditional edge connectors and rim connectors limits the number of signal transmission channels per unit volume, making it difficult to meet the high-density interconnection requirements of modern electronic devices.
Multiple terminal modules are spliced together in the left-right direction. The conductive terminals in each module are designed with a double-sided conductive layer structure. The conductive layers are set on the upper and lower sides of the conductive layer. The contact heads of adjacent terminals form a clamping structure to clamp the conductive plate and are electrically connected to the conductive layer of the conductive plate, replacing the traditional independent conductive terminals.
It increases the number of signal transmission channels per unit space within the same volume, achieving higher density signal transmission, reducing the overall space occupied by the connector assembly, supporting custom pin functions, and meeting the customized needs of diverse application scenarios.
Smart Images
Figure CN224264313U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of connector technology, and more specifically, to a card edge connector, an edge connector, and a connector assembly. Background Technology
[0002] The description in this section provides only background information related to the disclosure of this utility model and does not constitute prior art.
[0003] As electronic devices evolve towards miniaturization and high integration, connectors, as key interconnect components, need to achieve higher signal transmission density within limited space. Traditional edge connectors, when used with edge connector sockets, have one end inserted into the circuit board and the other end connected to the conductive terminal of the edge connector socket, which in turn connects to the cable to complete signal transmission. In existing technology, edge connector sockets typically use two conductive terminals to clamp one metal conductive terminal of the edge connector. This structure limits the number of signal transmission channels per unit volume, occupies a large space, and makes it difficult to meet the high-density interconnection requirements of modern electronic devices.
[0004] It should be noted that the above introduction to the technical background is only for the purpose of providing a clear and complete explanation of the technical solutions of this utility model and facilitating understanding by those skilled in the art. It should not be assumed that these technical solutions are known to those skilled in the art simply because they have been described in the background section of this utility model. Summary of the Invention
[0005] The technical problem to be solved by this utility model is to provide a card edge connector, an edge connector, and a connector assembly.
[0006] To address the aforementioned technical problems, this utility model provides a snap-fit connector, comprising multiple terminal modules spliced together in a left-right direction. Each terminal module includes an insulating shell and multiple conductive terminals disposed within the insulating shell. The first end of each conductive terminal is a plug-in end extending from the lower end of the insulating shell, and the second end of each conductive terminal is a contact head extending from the front end of the insulating shell. In a single terminal module, the plug-in ends of the multiple conductive terminals are arranged in a front-back direction, and the contact heads of the multiple conductive terminals are arranged in a vertical direction. The contact heads of two adjacent conductive terminals are respectively an upper contact head and a lower contact head, and adjacent upper and lower contact heads are paired to form a clamping structure. The clamping structure is used to clamp a conductive plate from the upper and lower sides and electrically connect to the conductive layers on the upper and lower sides of the conductive plate.
[0007] Preferably, the card edge connector further includes: two side stops, which are respectively positioned on the left and right sides of the spliced terminal module; a cover, which is located at the front end of the terminal module, and the contact head is inserted into the cover; a terminal positioning member, which is located at the bottom of the terminal module, and the plug-in end is inserted into the terminal positioning member; and a fixing bracket, which is installed on the upper and rear sides of the terminal module for overall fixation.
[0008] Preferably, the cover includes multiple rows of guide grooves arranged vertically, each guide groove is used for inserting the conductive plate, each guide groove extends horizontally and is provided with multiple clamping positions, each clamping position includes an upper clamping groove and a lower clamping groove arranged vertically and vertically respectively, when the clamping structure is inserted into the clamping position, the upper contact head and the lower contact head of the clamping structure are respectively embedded in the corresponding upper clamping groove and lower clamping groove, and electrically connected to the conductive layers on the upper and lower sides of the conductive plate.
[0009] Preferably, the terminal positioning member is provided with multiple through holes extending vertically, and the plug-in end is inserted into the through holes from top to bottom and extends out from the lower end of the through holes.
[0010] Preferably, each conductive terminal is independent of the others, and the contact head of each conductive terminal can be customized as a power pin, signal pin, or ground pin.
[0011] This application also discloses an edge connector for mating with the card edge connector. The edge connector includes a mounting shell and multiple plug modules disposed within the mounting shell. Each plug module includes a conductor plate with conductive layers disposed on its upper and lower sides. The conductor plate can be inserted into the clamping structure of the card edge connector, so that the conductive layers are electrically connected to the corresponding upper and lower contact heads respectively. Two rows of wires are respectively arranged on the upper and lower sides of the conductor plate and electrically connected to the conductive layers on the corresponding sides. Each wire is connected to a conductive terminal.
[0012] Preferably, the conductor comprises, from the inside out, an inner conductor, an insulating layer covering the inner conductor, a shielding layer covering the insulating layer, and an outer sheath covering the shielding layer. After the conductor head is stripped, the shielding layer extends beyond the outer sheath, the insulating layer extends beyond the shielding layer, and the inner conductor extends beyond the insulating layer. The inner conductor is electrically connected to the conductive layer of the conductor plate. Shielding areas are also provided on the upper and lower sides of the conductor plate, and the shielding layer of the conductor is electrically connected to the shielding areas.
[0013] This application also discloses a connector assembly, including a snap-edge connector and an edge connector that mat with each other. The snap-edge connector includes multiple terminal modules that are spliced together in a left-right direction. Each terminal module includes an insulating shell and multiple conductive terminals disposed within the insulating shell. The first end of each conductive terminal is a plug-in end that extends from the lower end of the insulating shell, and the second end of each conductive terminal is a contact head that extends from the front end of the insulating shell. In a single terminal module, the plug-in ends of the multiple conductive terminals are arranged in a front-back direction, and the contact heads of the multiple conductive terminals are arranged in a vertical direction. The contacts of two adjacent conductive terminals are respectively upper and lower contacts, and adjacent upper and lower contacts are paired to form a clamping structure. The edge connector includes a mounting shell and multiple plug modules disposed within the mounting shell. Each plug module includes a conductor plate with conductive layers disposed on its upper and lower sides. The conductor plate can be inserted into the clamping structure of the edge connector, so that the conductive layers are electrically connected to the corresponding upper and lower contacts respectively. Two rows of wires are respectively arranged on the upper and lower sides of the conductor plate and electrically connected to the conductive layers on the corresponding sides. Each wire is connected to a conductive terminal.
[0014] Preferably, the card edge connector further includes: two side blocks, respectively blocking the left and right sides of the spliced terminal module; a cover, located at the front end of the terminal module, into which the contact head is inserted; a terminal positioning member, located at the bottom of the terminal module, into which the plug-in end is inserted; and a fixing bracket, installed on the upper and rear sides of the terminal module for overall fixation. The cover includes multiple rows of guide grooves arranged vertically, each guide groove for inserting a conductive plate. Each guide groove extends horizontally and has multiple clamping positions. Each clamping position includes an upper clamping groove and a lower clamping groove corresponding to each other. When the clamping structure is inserted into the clamping position, the upper and lower contact heads of the clamping structure are respectively embedded in the corresponding upper and lower clamping grooves and electrically connected to the conductive layers on the upper and lower sides of the conductive plate. The terminal positioning member has multiple through-holes, into which the plug-in end passes from top to bottom and extends from the lower end of the hole. Each conductive terminal is independent of each other, and the contact head of each conductive terminal can be customized as a power pin, signal pin, or ground pin.
[0015] Preferably, the conductor comprises, from the inside out, an inner conductor, an insulating layer covering the inner conductor, a shielding layer covering the insulating layer, and an outer sheath covering the shielding layer. After the conductor head is stripped, the shielding layer extends beyond the outer sheath, the insulating layer extends beyond the shielding layer, and the inner conductor extends beyond the insulating layer. The inner conductor is electrically connected to the conductive layer of the conductor plate. Shielding areas are also provided on the upper and lower sides of the conductor plate, and the shielding layer of the conductor is electrically connected to the shielding areas.
[0016] Based on the above technical solution, the beneficial effects of this utility model are as follows:
[0017] This utility model discloses a card edge connector, edge connector, and connector assembly. By replacing the independent conductive terminals of traditional edge connectors with a double-sided conductive layer structure (conductive layers are set on both the top and bottom sides of the conductor plate), the two conductive layers can transmit two electrical signals. Within the same volume, the layout of the conductive layers increases the number of signal transmission channels per unit space, achieving higher-density signal transmission and reducing the overall space occupied by the connector assembly, thus meeting the needs of compact electronic devices. Furthermore, each conductive terminal has an independent function, supporting custom pin functions (such as power, signal, and ground), meeting the customized needs of diverse application scenarios and improving product adaptability. Attached Figure Description
[0018] Figure 1 This is a structural schematic diagram of the connector assembly of this utility model.
[0019] Figure 2 This is an exploded view of the connector assembly of this utility model.
[0020] Figure 3 This is an exploded structural diagram of the card edge connector of this utility model.
[0021] Figure 4 This is an exploded structural diagram of the edge connector of this utility model.
[0022] Figure 5 This is a cross-sectional structural diagram of the connector assembly of this utility model.
[0023] Figure 6 yes Figure 5 A magnified view of part A.
[0024] Figure 7 This is a schematic diagram of the conductor plate and conductor of this utility model.
[0025] Figure 8 This is a structural schematic diagram of the contact module of this application.
[0026] Figure 9 This is a structural schematic diagram of the cover of this application.
[0027] The components are as follows: 10, edge connector; 20, edge connector; 30, wire; 1, terminal module; 2, side guard; 3, fixing bracket; 4, terminal positioning component; 5, cover; 6, mounting shell; 7, conductor plate; 301, first wire; 302, second wire; 11, insulating shell; 12, upper contact head; 13, lower contact head; 14, plug end; 15, conductive terminal; 41, socket; 71, conductive layer; 72, shielding part; 31, inner conductor; 32, insulating layer; 33, shielding layer; 34, outer sheath; 51, guide groove; 52, clamping groove. Detailed Implementation
[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0029] It should be noted that in the description of this utility model, the terms "first," "second," etc., are used only for descriptive purposes and to distinguish similar objects; there is no order between them, nor should they be construed as indicating or implying relative importance. Furthermore, in the description of this utility model, unless otherwise stated, "a plurality of" means two or more.
[0030] like Figure 1-2 As shown, a connector assembly of this application includes a card edge connector 10 and an edge connector 20 that are mated to each other.
[0031] like Figure 3 and 8 As shown, the card edge connector 10 includes multiple terminal modules 1 spliced together in the left-right direction. Each terminal module 1 includes an insulating housing 11 and multiple conductive terminals 15 disposed within the insulating housing 11. The first end of the conductive terminal 15 is a plug-in end 14, which extends from the lower end of the insulating housing 11. The second end of the conductive terminal 15 is a contact head, which extends from the front end of the insulating housing 11. In a single terminal module 1, the plug-in ends 14 of the multiple conductive terminals 15 are arranged in the front-back direction, and the contact heads of the multiple conductive terminals 15 are arranged in the vertical direction. The contact heads of two adjacent conductive terminals 15 are respectively an upper contact head 12 and a lower contact head 13, and the adjacent upper contact heads 12 and lower contact heads 13 are paired to form a clamping structure.
[0032] like Figure 4-7As shown, the edge connector 20 includes a mounting housing 6 and multiple plug modules disposed within the mounting housing 6. Each plug module includes a conductor plate 7 with conductive layers 71 disposed on its upper and lower sides. The conductor plate 7 can be inserted into the clamping structure of the edge connector 10, so that the conductive layers 71 are electrically connected to the corresponding upper contact 12 and lower contact 13 respectively. Two rows of wires 30 are respectively arranged on the upper and lower sides of the conductor plate 7 and electrically connected to the conductive layers 71 on the corresponding sides. Each wire 30 is connected to a conductive terminal 15. By replacing the independent conductive terminals 15 of the traditional edge connector 20 with a double-sided conductive layer 71 structure (conductive layers 71 are disposed on the upper and lower sides of the conductor plate 7), two conductive layers 71 can transmit two electrical signals. In the same volume, the layout of the conductive layers 71 increases the number of signal transmission channels per unit space, realizes higher density signal transmission, reduces the overall space occupied by the connector assembly, and can meet the needs of compact electronic devices. The conductor 30, from the inside out, includes an inner conductor 31, an insulating layer 32 covering the inner conductor 31, a shielding layer 33 covering the insulating layer 32, and an outer sheath 34 covering the shielding layer 33. After the conductor 30 head is stripped, the shielding layer 33 extends beyond the outer sheath 34, the insulating layer 32 extends beyond the shielding layer 33, and the inner conductor 31 extends beyond the insulating layer 32. The inner conductor 31 is electrically connected to the conductive layer 71 of the conductor plate 7. Shielding areas are also provided on the upper and lower sides of the conductor plate 7, and the shielding layer 33 of the conductor is electrically connected to the shielding areas. In a preferred embodiment, the conductor is electrically connected to the conductive layer 71 of the conductor plate 7 by welding.
[0033] like Figure 3 and 8As shown, the edge connector 10 further includes two side stops 2, which are respectively positioned on the left and right sides of the assembled terminal module 1; a cover 5, located at the front end of the terminal module 1, into which the contact head is inserted; a terminal positioning member 4, located at the bottom of the terminal module 1, into which the insertion end 14 is inserted; and a fixing bracket 3, installed on the upper and rear sides of the terminal module 1 for overall fixation. The cover 5 includes multiple rows of guide grooves 51 arranged vertically, each guide groove 51 for inserting a conductive plate, and each guide groove 51 extending along the left and right sides... The device extends in a certain direction and has multiple clamping positions. Each clamping position includes an upper clamping groove 52 and a lower clamping groove 52, which are correspondingly arranged vertically. When the clamping structure is inserted into the clamping position, the upper contact head 12 and the lower contact head 13 of the clamping structure are respectively embedded in the corresponding upper clamping groove 52 and lower clamping groove 52, and electrically connected to the conductive layers 71 on the upper and lower sides of the conductive plate. The terminal positioning member 4 is provided with multiple through holes 41, and the insertion end 14 passes through the through holes 41 from top to bottom and extends out from the lower end of the through holes 41. The insertion end 14 is used to insert into the circuit board. Each conductive terminal 15 is independent of each other, and the contact head of each conductive terminal 15 can be customized as a power pin, signal pin, or ground pin. This meets the customization needs of diverse application scenarios and improves product adaptability.
[0034] The above-described embodiments are merely preferred embodiments provided to fully illustrate the present invention, and the scope of protection of the present invention is not limited thereto. Equivalent substitutions or modifications made by those skilled in the art based on the present invention are all within the scope of protection of the present invention. The scope of protection of the present invention is defined by the claims.
Claims
1. A card edge connector (10), characterized in that, include, Multiple terminal modules (1) are spliced together along the left-right direction. Each terminal module (1) includes an insulating housing (11) and a plurality of conductive terminals (15) disposed within the insulating housing (11). The first end of the conductive terminal (15) is a plug-in end (14), which extends from the lower end of the insulating shell (11). The second end of the conductive terminal (15) is a contact head, which extends from the front end of the insulating housing (11). In a single terminal module (1), the plug ends (14) of multiple conductive terminals (15) are arranged in the front-to-back direction, and the contact heads of multiple conductive terminals (15) are arranged in the up-down direction. The contact heads of two adjacent conductive terminals (15) are respectively the upper contact head (12) and the lower contact head (13), and the adjacent upper contact head (12) and lower contact head (13) are paired to form a set of clamping structures. The clamping structures are used to clamp the conductive plate from the upper and lower sides and are electrically connected to the conductive layers (71) on the upper and lower sides of the conductive plate.
2. The card edge connector (10) according to claim 1, characterized in that, The aforementioned card edge connector (10) also includes, Two side blocks (2) are respectively installed on the left and right sides of the spliced terminal module (1); The cover (5) is located at the front end of the terminal module (1), and the contact head is inserted into the cover (5); Terminal positioning element (4) is located at the bottom of terminal module (1), and the plug-in end (14) is inserted into terminal positioning element (4); The fixing bracket (3) is installed on the upper and rear sides of the terminal module (1) for overall fixing.
3. The card edge connector (10) according to claim 2, characterized in that, The cover (5) includes multiple rows of guide grooves (51) arranged in the vertical direction. Each guide groove (51) is used for inserting the conductive plate. Each guide groove (51) extends in the left and right direction and is provided with multiple clamping positions. Each clamping position includes an upper clamping groove (52) and a lower clamping groove (52) arranged in a vertical direction. When the clamping structure is inserted into the clamping position, the upper contact head (12) and the lower contact head (13) of the clamping structure are respectively embedded in the corresponding upper clamping groove (52) and lower clamping groove (52) and electrically connected to the conductive layers (71) on the upper and lower sides of the conductive plate.
4. The card edge connector (10) according to claim 2, characterized in that, The terminal positioning member (4) is provided with multiple through holes (41) extending vertically. The plug end (14) is inserted into the through holes (41) from top to bottom and extends out from the lower end of the through holes (41).
5. The card edge connector (10) according to claim 2, characterized in that, Each conductive terminal (15) is independent of each other, and the contact head of each conductive terminal (15) can be customized as a power supply pin, signal pin or ground pin.
6. An edge connector (20), characterized in that, The edge connector (20) is used to mate with the card edge connector (10) according to any one of claims 1 to 5. The edge connector (20) includes a mounting housing (6) and a plurality of plug modules disposed within the mounting housing (6). Each plug module includes... The conductor plate (7) has conductive layers (71) on its upper and lower sides respectively. The conductor plate (7) can be inserted into the clamping structure of the card edge connector (10) so that the conductive layers (71) are electrically connected to the corresponding upper contact head (12) and lower contact head (13) respectively. Two rows of wires (30) are arranged on the upper and lower sides of the conductor plate (7) and electrically connected to the conductive layer (71) on the corresponding side. Each wire (30) is connected to a conductive terminal (15).
7. The edge connector (20) according to claim 6, characterized in that, The conductor (30) includes, from the inside out, an inner conductor (31), an insulating layer (32) covering the inner conductor (31), a shielding layer (33) covering the insulating layer (32), and an outer sheath (34) covering the shielding layer (33). After the head of the conductor (30) is stripped, the shielding layer (33) extends beyond the outer sheath (34), the insulating layer (32) extends beyond the shielding layer (33), and the inner conductor (31) extends beyond the insulating layer (32). The inner conductor (31) is electrically connected to the conductive layer (71) of the conductor plate (7). Shielding areas are also provided on the upper and lower sides of the conductor plate (7), and the shielding layer (33) of the conductor is electrically connected to the shielding areas.
8. A connector assembly, characterized in that, This includes interlocking edge connectors (10) and edge connectors (20). The aforementioned edge connector (10) includes multiple terminal modules (1) spliced together in the left-right direction. Each terminal module (1) includes an insulating shell (11) and multiple conductive terminals (15) disposed within the insulating shell (11). The first end of each conductive terminal (15) is a plug-in end (14) extending from the lower end of the insulating shell (11). The second end of each conductive terminal (15) is a contact head extending from the front end of the insulating shell (11). In a single terminal module (1), the plug-in ends (14) of the multiple conductive terminals (15) are arranged in the front-back direction, and the contact heads of the multiple conductive terminals (15) are arranged in the vertical direction. The contact heads of two adjacent conductive terminals (15) are respectively an upper contact head (12) and a lower contact head (13), and the adjacent upper contact heads (12) and lower contact heads (13) are paired to form a clamping structure. The edge connector (20) includes a mounting shell (6) and multiple plug modules disposed within the mounting shell (6). Each plug module includes a conductor plate (7) with conductive layers (71) disposed on its upper and lower sides. The conductor plate (7) can be inserted into the clamping structure of the edge connector (10) so that the conductive layers (71) are electrically connected to the corresponding upper contact head (12) and lower contact head (13) respectively. Two rows of wires (30) are respectively arranged on the upper and lower sides of the conductor plate (7) and electrically connected to the conductive layers (71) on the corresponding sides. Each wire (30) is connected to a conductive terminal (15).
9. The connector assembly according to claim 8, characterized in that, The aforementioned edge connector (10) further includes: two side stops (2), which are respectively positioned on the left and right sides of the assembled terminal module (1); a cover (5), located at the front end of the terminal module (1), with the contact head inserted into the cover (5); a terminal positioning member (4), located at the bottom of the terminal module (1), with the insertion end (14) inserted into the terminal positioning member (4); and a fixing bracket (3), installed on the upper and rear sides of the terminal module (1) for overall fixation. The cover (5) includes multiple rows of guide grooves (51) arranged vertically. Each guide groove (51) is used for inserting the conductive plate. Each guide groove (51) extends horizontally and is provided with multiple clamping positions. Each clamping position includes an upper clamping groove (52) and a lower clamping groove (52) arranged vertically. When the clamping structure is inserted into the clamping position, the upper contact head (12) and the lower contact head (13) of the clamping structure are respectively embedded in the corresponding upper clamping groove (52) and lower clamping groove (52), and electrically connected to the conductive layers (71) on the upper and lower sides of the conductive plate. The terminal positioning member (4) is provided with a plurality of through holes (41) extending vertically. The plug-in end (14) passes through the through holes (41) from top to bottom and extends out from the lower end of the through holes (41). Each conductive terminal (15) is independent of each other, and the contact head of each conductive terminal (15) can be customized as a power supply pin, signal pin or ground pin.
10. The connector assembly according to claim 8, characterized in that, The conductor (30) includes, from the inside out, an inner conductor (31), an insulating layer (32) covering the inner conductor (31), a shielding layer (33) covering the insulating layer (32), and an outer sheath (34) covering the shielding layer (33). After the head of the conductor (30) is stripped, the shielding layer (33) extends beyond the outer sheath (34), the insulating layer (32) extends beyond the shielding layer (33), and the inner conductor (31) extends beyond the insulating layer (32). The inner conductor (31) is electrically connected to the conductive layer (71) of the conductor plate (7). Shielding areas are also provided on the upper and lower sides of the conductor plate (7), and the shielding layer (33) of the conductor is electrically connected to the shielding areas.