WO2021174478A1 - Connecteur de plaque arrière - Google Patents

Connecteur de plaque arrière Download PDF

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Publication number
WO2021174478A1
WO2021174478A1 PCT/CN2020/077908 CN2020077908W WO2021174478A1 WO 2021174478 A1 WO2021174478 A1 WO 2021174478A1 CN 2020077908 W CN2020077908 W CN 2020077908W WO 2021174478 A1 WO2021174478 A1 WO 2021174478A1
Authority
WO
WIPO (PCT)
Prior art keywords
slot
plate body
plate
tongue
terminal assembly
Prior art date
Application number
PCT/CN2020/077908
Other languages
English (en)
Chinese (zh)
Inventor
彭大军
何洪
代秀云
Original Assignee
四川华丰科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 四川华丰科技股份有限公司 filed Critical 四川华丰科技股份有限公司
Priority to CN202080000430.7A priority Critical patent/CN111448716B/zh
Priority to PCT/CN2020/077908 priority patent/WO2021174478A1/fr
Publication of WO2021174478A1 publication Critical patent/WO2021174478A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces

Definitions

  • the present application relates to the technical field of connectors, for example, to a backplane connector.
  • backplane connector is an important member of the high-speed connector, and its application scenarios are constantly being expanded, such as the connection between the conventional printed board and the printed board (backplane), and the printed board and the printed board are connected vertically (orthogonal). Backplane), printed board or cable-to-cable connection (line backplane)...
  • backplane conventional printed board and the printed board
  • line backplane printed board or cable-to-cable connection
  • the terminal assembly is a sheet body side-by-side splicing structure, and parts such as a cover plate, a bottom plate, etc. are added to the splicing structure, or on this basis, hot melt or glue is poured to realize the stability of the connector.
  • Related technologies often use hot-melt riveting or glue-filling to increase the stability and reliability of the backplane connector, but the hot-melt process is not easy to control, there is danger, and new equipment is required, which is low in efficiency and high in cost; The process is relatively mature, but there are also problems such as low efficiency, high cost, and easy failure of the rubber mold at high temperature.
  • the present application provides a backplane connector, which can increase the stability and reliability of the connector.
  • the embodiment of the present application provides a backplane connector, including:
  • a terminal assembly comprising a first surface and a second surface connected at a preset angle, the first surface is provided with a first mounting block, and the second surface is provided with a second mounting block;
  • a first cover plate the first cover plate includes a first plate body and a second plate body connected at the preset angle, the first plate body is provided with a first mounting hole, the second plate The body is provided with a second mounting hole, the first mounting block is inserted into the first mounting hole, and the second mounting block is inserted into the second mounting hole;
  • a second cover plate the second cover plate includes a third plate body and a fourth plate body connected at a preset angle, the third plate body and the fourth plate body are both clamped with the terminal assembly , And the third plate body is configured to press the first plate body against the first surface, and the fourth plate body is configured to press the second plate body against the second surface superior.
  • Figure 1 is a schematic structural diagram of a backplane connector in an embodiment of the application
  • Figure 2 is a side view of the backplane connector in the embodiment of the application.
  • FIG 3 is a schematic diagram of a part of the structure of the backplane connector in the embodiment of the application (the second cover is hidden);
  • FIG. 4 is a schematic diagram of the structure of the first cover in the backplane connector according to the embodiment of the application;
  • FIG. 5 is a schematic diagram of the structure of the second cover in the backplane connector according to the embodiment of the application.
  • FIG. 6 is a schematic structural diagram of a terminal assembly in a backplane connector according to an embodiment of the application.
  • FIG. 7 is a cross-sectional view of the terminal assembly in the backplane connector according to the embodiment of the application.
  • Fig. 8 is an enlarged view of A in Fig. 7;
  • Fig. 9 is an enlarged view of B in Fig. 7.
  • Terminal assembly
  • First plate body 211. First mounting hole; 2111, first hole; 2112, second hole; 212, third tongue; 213, third card slot; 214, fourth card slot;
  • the second plate body 221.
  • the second mounting hole 222.
  • the bending groove 223.
  • the first connecting rib 231.
  • the third board 311, the first tongue; 312, the first card slot; 313, the fourth mounting hole; 314, the punching hole;
  • the second connecting rib 331.
  • the second outer side surface 332.
  • first position and second position are two different positions, and the first feature is “above”, “above” and “above” the second feature including the first feature being on the second feature Directly above and obliquely above, or simply indicate that the level of the first feature is higher than that of the second feature.
  • the “below”, “below” and “below” of the second feature of the first feature include the first feature directly below and obliquely below the second feature, or it simply means that the level of the first feature is smaller than the second feature.
  • connection should be understood in a broad sense, unless otherwise clearly specified and limited.
  • it can be a fixed connection or a detachable connection.
  • Connected or integrally connected it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components.
  • connection should be understood in a broad sense, unless otherwise clearly specified and limited.
  • it can be a fixed connection or a detachable connection.
  • Connected or integrally connected it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components.
  • the specific meanings of the above terms in this application can be understood under specific circumstances.
  • Fig. 1 is a schematic diagram of the structure of the backplane connector in the embodiment of the application;
  • Fig. 2 is a side view of the backplane connector in the embodiment of the application;
  • Second cover 3 is a schematic structural diagram of the first cover 2 in the backplane connector of the embodiment of the application;
  • Figure 5 is a schematic structural diagram of the second cover 3 in the backplane connector of the embodiment of the application;
  • 6 is a schematic structural diagram of the terminal assembly 1 in the backplane connector of the embodiment of the application;
  • FIG. 7 is a cross-sectional view of the terminal assembly 1 in the backplane connector of the embodiment of the application;
  • FIG. 8 is an enlarged view at A in FIG. 7;
  • Fig. 9 is an enlarged view of B in Fig. 7.
  • the backplane connector may be a high-speed connector.
  • the backplane connector includes a terminal assembly 1, a first cover 2, and a second cover. Board 3.
  • the terminal assembly 1 includes a first surface 11 and a second surface 12 connected at a preset angle (refer to FIG. 6).
  • the first surface 11 is provided with a first mounting block 111
  • the second surface 12 is provided with a second surface. Install block 121.
  • the terminal assembly 1 includes a plurality of terminals 13 that are sequentially spliced along a first direction, and the first surface 11, the second surface 12, the first mounting block 111, and the second mounting block 121 are integrally spliced by the plurality of terminals 13 form.
  • the first cover plate 2 includes a first plate body 21 and a second plate body 22 connected at a preset angle.
  • the first plate body 21 is provided with a first mounting hole 211, and the second plate body 22
  • There is a second mounting hole 221 the first mounting block 111 is inserted into the first mounting hole 211, and the second mounting block 121 is inserted into the second mounting hole 221; the first plate body 21 is inserted into the first mounting block 111
  • the second board 22 is plugged into the second mounting block 121, on the one hand, the terminal assembly 1 can be stabilized by the first board 21; on the other hand, the first mounting block 111 and the second mounting block 121 can also be used
  • the two plate bodies of the first cover plate 2 are limited in position to prevent the two plate bodies of the first cover plate 2 from being deformed.
  • the second cover plate 3 includes a third plate body 31 and a fourth plate body 32 connected at a predetermined angle, and the third plate body 31 and the fourth plate body 32 are both clamped with the terminal assembly 1.
  • the third plate 31 is configured to press the first plate 21 on the first surface 11, and the fourth plate 32 is configured to press the second plate 22 on the second surface 12.
  • the second cover plate 3 is clamped with the terminal assembly 1 to ensure a stable connection between the second cover plate 3 and the terminal assembly 1, which can enhance the overall stability of the terminal assembly 1, and the second cover plate 3 can also be restrained by the terminal assembly 1. , In order to prevent the second cover plate 3 from deforming.
  • the first cover plate 2 is pressed against the first surface 11 and the second surface 12 by the second cover plate 3, which can prevent the terminal assembly 1 from loosening.
  • the terminal assembly 1 is pulled out or inserted, or the terminal assembly 1 is subjected to lateral force At this time, it can ensure that the terminal assembly 1 and the mating connector are in good contact, and the integrity of the signal can be ensured.
  • the preset included angle is 90°. In other embodiments, the size of the preset included angle can also be set as required.
  • both the first cover plate 2 and the second cover plate 3 are made of metal materials, and both are formed by a stamping process. Therefore, the first cover plate 2 and the second cover plate 3 can fix the terminal assembly 1.
  • the third plate body 31 is provided with a first insertion tongue 311, the first surface 11 is provided with a first slot 112, and the side wall of the first insertion tongue 311
  • One of the side walls of the first slot 112 is provided with a first card protrusion 113
  • the other of the side wall of the first tongue 311 and the side wall of the first slot 112 is provided with a first card slot 312 ,
  • the first tongue 311 is inserted into the first slot 112, and the first protrusion 113 is engaged with the first slot 312.
  • a solution is exemplarily provided in which the first engaging protrusion 113 is provided on the groove wall of the first slot 112 and the first engaging groove 312 is provided on the side wall of the first plug tongue 311.
  • the first card slot 312 may be provided on the groove wall of the first slot 112, and the first card protrusion 113 can be provided on the side wall of the first plug tongue 311.
  • the first slot 112 extends in a direction perpendicular to the first surface 11, and the first slot 112 is only provided with an opening on the first surface 11 through the first tongue 311 and the first card slot 312
  • the first card 113 is inserted into the first card slot 312 to ensure that the third board 31 is connected to the first surface 11 stably, and the side wall of the first slot 112 can also face the first plug tongue.
  • the position of 311 plays a limiting role.
  • the fourth board 32 is provided with a second tongue 321
  • the second mounting block 121 is provided with a second slot 122
  • the side of the second tongue 321 One of the wall and the side wall of the second slot 122 is provided with a second card protrusion 123, and the other of the side wall of the second tongue 321 and the side wall of the second slot 122 is provided with a second card slot 322.
  • the second tongue 321 is inserted into the second slot 122, and the second protrusion 123 is engaged with the second card slot 322.
  • a solution is exemplarily given in which the second engaging protrusion 123 is provided on the groove wall of the second slot 122 and the second engaging groove 322 is provided on the side wall of the second tongue 321.
  • the second slot 322 may be provided on the groove wall of the second slot 122
  • the second engagement protrusion 123 may be provided on the side wall of the second tongue 321.
  • the part of the second mounting block 121 passing through the second mounting hole 221 is provided with a second slot 122.
  • the second slot 122 is set as a through hole, and the second tongue 321 is inserted into the through hole.
  • the second latch 321 can be restricted by the second protrusion 123 and the side wall of the through hole, which can ensure the second latch 321 and the second slot 122
  • the connection is stable.
  • the pressing effect of the fourth plate body 32 on the second plate body 22 can be enhanced, and the second plate body 22 can be attached to the second surface 12.
  • the insertion direction of the second plug tongue 321 and the second slot 122 is perpendicular to the first surface 11.
  • the insertion directions of the first plug tongue 311 and the second plug tongue 321 are the same, which facilitates the assembly of the second cover plate 3 and the terminal assembly 1.
  • a plurality of first mounting blocks 111 are arranged on the first surface 11 at intervals, and a plurality of second mounting blocks 121 are arranged on the second surface 12 at intervals.
  • the body 21 is provided with a plurality of first mounting holes 211 at intervals
  • the second plate body 22 is provided with a plurality of second mounting holes 221 at intervals
  • the plurality of first mounting blocks 111 correspond to the plurality of first mounting holes 211 one-to-one. Insertion, the plurality of second mounting blocks 121 and the plurality of second mounting holes 221 are inserted in a one-to-one correspondence.
  • first mounting block 111 and the second mounting block 121 By arranging the first mounting block 111 and the second mounting block 121 to be multiple, the stable connection between the first cover plate 2 and the terminal assembly 1 can be ensured.
  • a plurality of first slots 112 are spaced on the first surface 11
  • a plurality of second slots 122 are spaced on the second surface 12
  • the third board 31 is spaced apart.
  • first plug tongues 311, a plurality of second plug tongues 321 are spaced apart on the fourth board 32, and the plurality of first plug tongues 311 are inserted in a one-to-one correspondence with the plurality of first slots 112, and a plurality of The second plug tongue 321 is plugged into the plurality of second slots 122 in a one-to-one correspondence.
  • the plurality of first installation blocks 111, the plurality of second installation blocks 121, the plurality of first slots 112, and the plurality of second slots 122 are all spliced by a plurality of terminals 13, and the plurality of first installations
  • the block 111, the plurality of second mounting blocks 121, the plurality of first slots 112, and the plurality of second slots 122 are all arranged at equal intervals along the first direction.
  • the first direction is shown as the ab direction in FIG. 1.
  • the number of terminals 13 is an even number.
  • each two terminals 13 in sequence can form a first mounting block 111, a second mounting block 121, a first slot 112, and a first mounting block.
  • Two slots 122 In other embodiments, the number of terminals 13 can also be set to an odd number.
  • a plurality of protrusions 124 are further provided on the second surface 12
  • a plurality of bending grooves 222 are provided on the second plate body 22
  • a plurality of protrusions 124 and a plurality of The bending grooves 222 are clamped in one-to-one correspondence.
  • a protrusion 124 is provided between two adjacent second mounting blocks 121, so that the protrusion 124 and the bending groove 222 can pass through The clamping is in a direction perpendicular to the first surface 11 to ensure a stable connection between the second plate body 22 and the second surface 12.
  • the terminal assembly 1 is provided with a third slot 114
  • the first board 21 is provided with a third plug tongue 212
  • the third plug tongue 212 is inserted into the third slot 114.
  • Three slots 114 one of the side wall of the third tongue 212 and the side wall of the third slot 114 is provided with a third protrusion 115, and the side wall of the third tongue 212 and the side wall of the third slot 114 are provided.
  • the other one is provided with a third card slot 213, the third tongue 212 is inserted into the third slot 114, and the third card protrusion 115 is engaged with the third card slot 213.
  • a solution is exemplarily given in which the third engaging protrusion 115 is provided on the groove wall of the third slot 114 and the third engaging groove 213 is provided on the side wall of the third tongue 212.
  • a third card slot 213 may be provided on the groove wall of the third slot 114, and a third card protrusion 115 can be provided on the side wall of the third plug tongue 212.
  • the terminal assembly 1 is provided with a plurality of third slots 114, and the first plate body 21 is provided with a third tongue 212 corresponding to the plurality of third slots 114.
  • every two terminals 13 in sequence can form a third slot 114.
  • a third mounting block 125 is further provided on the second surface 12, a third mounting hole 223 is provided on the second plate body 22, and the third mounting block 125 is configured as The interference is inserted into the third mounting hole 223.
  • the second plate body 22 can be prevented from being deformed by the third mounting block 125, and at the same time, by making the third mounting block 125 and the third mounting hole 223 interference fit, it can also ensure that the second plate body 22 and the second surface 12 The connection is stable.
  • the side wall of the third mounting block 125 is provided with a plurality of arc-shaped protrusions 126 (refer to FIG.
  • a plurality of third mounting blocks 125 are provided on the second surface 12, and a third mounting hole 223 is provided on the second plate 22 corresponding to the plurality of third mounting blocks 125.
  • every two terminals 13 in sequence can form a third mounting block 125.
  • the first mounting block 111 includes a connecting portion 1111 connected to the first surface 11 and a limiting portion 1112 connected to the connecting portion 1111, and the connecting portion 1111 is inserted into the first mounting hole 211, the limiting portion 1112 and the first surface 11 are respectively located on both sides of the first plate body 21, and the limiting portion 1112 can abut the first plate body 21 in a direction perpendicular to the first plate body 21; third
  • the board 31 is provided with a fourth mounting hole 313, and the limiting portion 1112 is inserted into the fourth mounting hole 313.
  • the limiting portion 1112 can prevent the first plate body 21 from being separated from the first surface 11.
  • the first mounting hole 211 includes a first hole 2111 and a second hole 2112 that are connected, and the width of the limiting portion 1112 is greater than the width of the second hole 2112 and smaller than the width of the first hole 2111,
  • the width of the connecting portion 1111 is smaller than the width of the second hole 2112, the lengths of the limiting portion 1112 and the connecting portion 1111 are both smaller than the length of the first hole 2111, and the connecting portion 1111 is inserted into the second hole 2112.
  • the first hole 2111 and the second hole 2112 are communicated in the insertion direction of the third plug tongue 212.
  • the limiting portion 1112 can be removed from the first A hole 2111 passes through and pushes the first cover plate 2 so that the connecting portion 1111 enters the second hole 2112 and cooperates with the second hole 2112.
  • the first plate body 21 can be perpendicular to the first plate body 21 through the limiting portion 1112.
  • the upper limit of the direction of one side 11 can ensure the stable connection between the first plate body 21 and the first side 11. Exemplarily, as shown in FIG.
  • the third board 31 is further provided with a plurality of fourth mounting holes 313, and the plurality of fourth mounting holes 313 are inserted in a one-to-one correspondence with the plurality of limiting portions 1112, and so arranged
  • the limiting portion 1112 can also be used to prevent the third plate body 31 from being deformed, and the stability of the connection between the third plate body 31 and the first surface 11 can be enhanced.
  • one of the side walls of the connecting portion 1111 and the side walls of the second hole 2112 of the first mounting hole 211 is provided with a fourth protrusion 116
  • the side wall of the connecting portion 1111 and The other of the side walls of the second hole 2112 of the first mounting hole 211 is provided with a fourth engaging slot 214
  • the fourth engaging protrusion 116 is engaged with the fourth engaging slot 214.
  • This embodiment exemplarily provides a solution in which the fourth card protrusion 116 is provided on the side wall of the connecting portion 1111, and the fourth card slot 214 is provided on the side wall of the second hole 2112.
  • the fourth engaging groove 214 may be provided on the side wall of the connecting portion 1111
  • the fourth engaging protrusion 116 may be provided on the side wall of the second hole 2112.
  • a punching hole 314 can be formed on the third plate body 31, and the punching hole 314 is communicated with the fourth mounting hole 313.
  • the hole width of the fourth mounting hole 313 is larger than the hole width of the punching hole 314, that is, after the first plug tongue 311 is formed by bending, the fourth mounting hole is punched and formed on the third plate 31
  • the hole 313, arranged in this way, can make the structure of the third plate 31 more compact.
  • the first tongue 311 can be made to have a longer length to ensure the first tongue 311
  • the effective mating length with the first slot 112 ensures a stable connection between the third plate body 31 and the first surface 11.
  • the first cover plate 2 further includes a plurality of first connecting ribs 23 connecting the first plate body 21 and the second plate body 22, and the second cover plate 3 further includes a The multiple second connecting ribs 33 of the three-plate body 31 and the fourth plate body 32, the multiple first connecting ribs 23 and the multiple second connecting ribs 33 are arranged at intervals along the first direction; any two adjacent first A first insertion hole 24 is formed between the connecting ribs 23, and a second connecting rib 33 is inserted into each first insertion hole 24.
  • a second insertion hole 34 is formed between two adjacent second connecting ribs 33, and each second insertion hole 34 is inserted with a first connecting rib 23.
  • first connecting ribs 23 and the second connecting ribs 33 can be staggered to ensure the connection stability of the first cover plate 2 and the second cover plate 3 in the first direction, so that the first cover plate 2, the second cover plate The cover plate 3 and the terminal assembly 1 remain stable as a whole.
  • the outer side surface of the first connecting rib 23 is lower than the outer side surface of the second connecting rib 33 or flush with the outer side surface of the second connecting rib 33.
  • the outer side surface is called the first outer side surface 231.
  • the first outer side surface 231 is the side of the first connecting rib 23 away from the terminal assembly 1
  • the outer side surface of the second connecting rib 33 may be called the second outer surface.
  • the second outer side surface 331 is the side surface of the second connecting rib 33 away from the terminal assembly 1.
  • the thickness of the first connecting rib 23 is equal to the thickness of the second connecting rib 33. It should be noted that the thickness of the first connecting rib 23 refers to the dimension D1 as shown in FIG. 4; the thickness of the second connecting rib 33 refers to the dimension D2 as shown in FIG. 5.
  • the first connecting rib 23 is in a convex arc shape
  • the second connecting rib 33 is in a wavy shape. Please refer to FIG. , The trough portion 332 of the second connecting rib 33 is inserted into the first socket 24.
  • first connecting rib 23 and second connecting rib 33 there is a contact surface between any adjacently disposed first connecting rib 23 and second connecting rib 33, and the normal line of the plane where the contact surface is located is set along the first direction.
  • the first outer side surface 231 of a connecting rib 23 is along the first direction
  • the projection toward the plane of the contact surface is a first curve 41.
  • the second outer side surface 331 of the second connecting rib 33 is along the first direction and faces the contact surface.
  • the projection of the plane is the second curve 42, and the first curve 41 and the second curve 42 are tangent at the trough 332, so that the adjacently arranged first connecting rib 23 and the second connecting rib 33 are more closely matched. It is tight and makes it easier to determine the relative assembly position between the first connecting rib 23 and the second connecting rib 33 during the assembly process of the first connecting rib 23 and the second connecting rib 33.
  • the width of the second insertion hole 34 on the side close to the third board 31 is not less than the width of the second insertion hole 34 on the side close to the fourth board 32. It should be noted that the width of the second insertion hole 34 on the side close to the third board 31 refers to the dimension R1 in FIG. 5, and the width of the second insertion hole 34 on the side close to the fourth board 32 refers to the width in FIG. Size R2.
  • the backplane connector provided in this embodiment includes a first cover plate 2 and a second cover plate 3 to fix the terminal assembly 1. Among them: between the first plate body 21 of the first cover 2 and the first surface 11, it is inserted into the first mounting block 111 through the first mounting hole 211 and is clamped to the fourth card slot 214 through the fourth card protrusion 116 ; By inserting the third tongue 212 and the third slot 114 and by the third card protrusion 115 and the third card slot 213 to achieve the third plug tongue 212 and the terminal assembly 1, to ensure that the first board 21 and The first side 11 is connected stably.
  • the second mounting block 121 is inserted into the second mounting hole 221; the protrusion 124 is clamped to the bending groove 222; the third The mounting block 125 and the third mounting hole 223 are interference-fitted, which can ensure the stable connection between the second plate body 22 and the second surface 12.
  • the first insertion tongue 311 is inserted into the first slot 112, and the first engagement protrusion 113 is engaged with the first slot 312;
  • the fourth mounting hole 313 is inserted into the first mounting block 111 to ensure a stable connection between the third board 31 and the first surface 11.
  • the second plug 321 is inserted into the second slot 122 and the second card protrusion 123 is engaged with the second card slot 322 to ensure that The fourth plate body 32 is stably connected to the second surface 12.
  • the second cover plate 3 and the first cover plate 2 are staggered with the plurality of first connection ribs 23 through the plurality of second connecting ribs 33, which can ensure the stable connection between the second cover plate 3 and the first cover plate 2.
  • the terminal assembly 1 When the terminal assembly 1 is pulled or inserted or the terminal assembly 1 is subjected to lateral force, the terminal assembly 1 can be prevented from loosening, the terminal assembly 1 and the mating connector can be ensured to be in good contact, and the signal integrity can be ensured.
  • the first cover plate 2 is matched with the second cover plate 3, without the need for a hot melt riveting process or a glue-filling bonding process, which can improve assembly efficiency and increase productivity.
  • each plug-in tongue is provided with a guiding inclined surface to facilitate the plug-in of the plug-in tongue and the corresponding slot.
  • the present application provides a backplane connector.
  • the backplane connector includes a terminal assembly, a first cover plate and a second cover plate.
  • the terminal assembly includes a first surface and a second surface connected at a predetermined included angle
  • the first surface is provided with a first mounting block
  • the second surface is provided with a second mounting block.
  • the first cover plate includes a first plate body and a second plate body connected at a preset angle.
  • the first plate body is provided with a first mounting hole
  • the second plate body is provided with a second mounting hole, and the first mounting block Insert with the first mounting hole, and insert the second mounting block with the second mounting hole; insert with the first plate body and the first mounting block, and insert the second plate body with the second mounting block.
  • the second cover plate includes a third plate body and a fourth plate body connected at a preset angle, the third plate body and the fourth plate body are both clamped with the terminal assembly, and the third plate body compresses the first plate body On the first surface, the fourth plate presses the second plate against the second surface.
  • the second cover plate can be connected with the terminal assembly to ensure the stability of the connection between the second cover plate and the terminal assembly, which can enhance the overall stability of the terminal assembly, and the second cover can be restrained by the terminal assembly to prevent the second cover
  • the two cover plates are deformed, and at the same time, the first cover plate is pressed against the first surface and the second surface by the second cover plate, which can prevent the terminal assembly from loosening. Ensure that the terminal assembly and the mating connector are in good contact to ensure the integrity of the signal.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

L'invention concerne un connecteur de plaque arrière, se rapportant au domaine technique des connecteurs et comprenant un ensemble borne (1), une première plaque de couvercle (2) et une seconde plaque de couvercle (3). L'ensemble borne comprend une première surface (11) et une seconde surface (12) reliées à un angle prédéfini. La première plaque de couvercle comprend un premier corps de plaque (21) et un deuxième corps de plaque (22) connecté à un angle prédéterminé. Le second corps de couvercle comprend un troisième corps de plaque (31) et un quatrième corps de plaque (32) reliés selon un angle prédéfini. Le troisième corps de plaque et le quatrième corps de plaque sont tous deux encliquetés sur l'ensemble borne. Le troisième corps de plaque est configuré pour presser le premier corps de plaque contre la première surface, et le quatrième corps de plaque est configuré pour presser la seconde plaque contre la seconde surface.
PCT/CN2020/077908 2020-03-05 2020-03-05 Connecteur de plaque arrière WO2021174478A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202080000430.7A CN111448716B (zh) 2020-03-05 2020-03-05 背板连接器
PCT/CN2020/077908 WO2021174478A1 (fr) 2020-03-05 2020-03-05 Connecteur de plaque arrière

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