A connector and a connector assembly arranged on an adapter card

Abstract

The present invention discloses a connector arranged on an adapter card, comprising: an adapter card, a receiving groove is arranged in the middle thereof; a connector body, fixed in the receiving groove of the adapter card, and a plurality of connector terminals are installed in the connector body; a PCB board, which is in contact and connection with the front end of the connector terminal, and the contact connection point is a first contact point; a cable, which is in contact and connection with the rear end of the connector terminal, and the contact connection point is a second contact point; the first contact point and the second contact point are respectively located on both sides of the adapter card. The present invention also discloses a connector assembly arranged on the adapter card, wherein the cable is arranged on the cable assembly, and the cable assembly comprises a plastic body, a cable terminal and a plurality of cables, and the plastic body is plugged into the connector body. The connector body of the present invention plays a role in connecting the PCB board and the cable, and the electronic components on the adapter card are not easily damaged during the connection process, and the product has good signal integrity and is easy to install and transport.

Description

Technical Field

[0001] The present invention relates to the technical field of electric connectors, in particular to a connector and a connector assembly arranged on an adapter card. Background Art

[0002] With the development of products such as servers and switches, the signal integrity requirements of connectors and cable assemblies installed on servers and switches are getting higher and higher. Due to the changes in the architectural design of servers and switches, servers are designed with riser cards. Figure 1 , Figure 2 As shown, the current design structure of the adapter card is to weld a CEM high-speed connector 2' (or PCIE high-speed connector) on the front of the PCB of the adapter card 1', plug the CEM PCB board 3' on the connector, and then weld the cable 4' on the back of the adapter card 1'. This method has the following problems:

[0003] (1) The adapter card is relatively large, and it is not convenient to directly solder wires on it.

[0004] (2) The adapter card contains electronic components that are easily damaged.

[0005] (3) The adapter card is difficult to wire and the product attenuation is large.

[0006] (4) Inconvenient to handle and transport.

[0007] (5) It is inconvenient for users to install and use.

[0008] Therefore, it is necessary to develop an optimized structure to solve the above problems. Summary of the invention

[0009] The object of the present invention is to provide a connector and a connector assembly arranged on an adapter card, which will not damage electronic components on the adapter card and improve the signal integrity of the connector and the cable.

[0010] To achieve the above object, the present invention adopts the following technical solutions:

[0011] A connector arranged on an adapter card comprises: an adapter card, a receiving groove is arranged in the middle thereof; a connector body is fixed in the receiving groove of the adapter card, and a plurality of connector terminals are installed in the connector body; a PCB board is contacted and connected with the front end of the connector terminal, and the contact connection point is a first contact point; a cable is contacted and connected with the rear end of the connector terminal, and the contact connection point is a second contact point; the first contact point and the second contact point are respectively located on both sides of the adapter card.

[0012] Wherein, the connector body and the adapter card are connected and fixed by fasteners.

[0013] Preferably, the cable is connected to the rear end of the connector terminal by welding, and an outer mold is injection-molded at the welding point between the cable and the connector terminal.

[0014] The present invention also discloses: a connector assembly arranged on an adapter card, comprising: an adapter card, a receiving groove being arranged in the middle thereof; a connector body, fixed in the receiving groove of the adapter card, a plurality of connector terminals being installed in the connector body; a PCB board, being in contact and connected with the front end of the connector terminal, the contact connection point being a first contact point; a cable assembly, comprising a plastic body, a cable terminal and a plurality of cables, the plastic body being plugged into the connector body, the cable terminal being installed in the plastic body and in contact and connected with the rear end of the connector terminal, the contact connection point being a second contact point, the cable terminal being in contact and connected with the cable or being integrally formed; the first contact point and the second contact point are respectively located on both sides of the adapter card.

[0015] Preferably, the plastic body comprises a front shell, a rear shell and an inner mold, and the contact connection between the cable and the cable terminal is arranged inside the front shell and the rear shell, and is fixed by injection molding the inner mold.

[0016] Among them, a plug-in slot is provided in the middle of the rear end of the connector body, the rear end of the connector terminal extends into the plug-in slot, the front end of the plastic body is provided with a plug-in boss corresponding to the plug-in slot, the cable terminal extends to the end face of the plug-in boss, and the plug-in boss is inserted into the plug-in slot, so that the cable terminal is in close contact with the connector terminal.

[0017] Furthermore, it also includes a connector metal shell fixed on the adapter card, wherein the connector metal shell is installed on the periphery of the plastic body and is locked and connected to the plastic body through a locking piece.

[0018] Preferably, the adapter card is provided with a plurality of card slots, and the ends of the connector metal shell are provided with corresponding welding feet, and the welding feet are inserted into the card slots and welded to the card slots.

[0019] Preferably, a U-shaped groove and a card point groove are provided on the metal shell of the connector, a docking wall is provided above the plastic body, a mounting groove for fixing the locking piece is provided on the docking wall, a convex point is provided on the upper end of the locking piece, and the locking piece is inserted into the U-shaped groove of the metal shell of the connector so that the convex point of the locking piece is engaged with the card point groove to achieve locking.

[0020] Preferably, a reinforcing rib is provided at the upper portion of the rear end of the connector body, the docking wall is a segmented structure, and a gap groove matching the reinforcing rib is provided between the docking walls.

[0021] Among them, the cable terminal is a bent L-shape, the cable is connected in a direction perpendicular to the PCB board, and a notch groove for the cable to pass through is provided on the connector metal shell corresponding to the cable connection direction.

[0022] The cable comprises two rows of parallel cables, namely an inner cable and an outer cable, the front end of the outer cable is higher than the front end of the inner cable; the cable terminal comprises an upper row of terminals and a lower row of terminals, the heads of the two rows of cable terminals are bent elastic structures, which are in contact with the connector terminals, the tails of the upper row of terminals are welded to the outer cable, and the tails of the lower row of terminals are welded to the inner cable. After adopting the above technical solution, the present invention has the following effects:

[0023] 1. The present invention passes the connector body through the adapter card accommodating slot, so that the front end of the connecting terminal is in contact with the PCB board and the rear end is in contact with the cable. The connector body plays the role of connecting the PCB board and the cable, the product has good signal integrity, and is easy to install and transport.

[0024] 2. The connector body and the adapter card are connected by fasteners or only welded at the edge of the slot. No wiring is required on the adapter card PCB. The connection process is not easy to damage the electronic components on the adapter card, which reduces the attenuation of the product and the cost of the adapter card. The adapter card is inserted into the server and also plays the role of fixing the connector.

[0025] 3. The cable is set on the cable assembly and plugged into the connector body through the cable assembly, which is convenient for users to install.

[0026] 4. The reinforcement ribs at the rear end of the connector body can support the metal shell of the connector. The docking wall is set as a segmented structure. The gap grooves and reinforcement ribs are set between the docking walls to cooperate with the reinforcement ribs to achieve the positioning function and improve the connection strength of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 Schematic diagram of the existing structure of the background technology.

[0028] Figure 2 It is a structural schematic diagram of the back side of the adapter card in the background technology.

[0029] Figure 3 It is a structural diagram of embodiment 1 of the present invention.

[0030] Figure 4 for Figure 3 Schematic diagram of the decomposition.

[0031] Figure 5 for Figure 3 Schematic diagram of the tail structure, with the external mold hidden in the figure.

[0032] Figure 6It is a cross-sectional schematic diagram of embodiment 1.

[0033] Figure 7 This is a schematic diagram of the structure of the second embodiment of the present invention.

[0034] Figure 8 for Figure 7 Schematic diagram of the decomposition.

[0035] Fig. 9 for Figure 7 E-direction schematic diagram.

[0036] Fig.10 for Fig. 9 Schematic diagram of CC cross section.

[0037] Fig.11 for Fig. 9 Partial schematic diagram of DD section.

[0038] Fig.12 It is a structural schematic diagram of the cable assembly of embodiment 2.

[0039] Fig.13 for Fig.12 Schematic diagram of the decomposition.

[0040] Fig.14 This is a schematic structural diagram of a connector body according to the second embodiment.

[0041] Fig.15 It is a schematic structural diagram of the front shell of the second embodiment.

[0042] Fig.16 It is a schematic structural diagram of the metal shell of the connector of the second embodiment.

[0043] Main component symbols:

[0044] 1: Riser card 3: PCB board 441: Plug boss

[0045] 11: Accommodation groove 4: Cable assembly 442: Docking wall

[0046] 12: Mounting hole 41: Cable 443: Clearance slot

[0047] 13: Card slot 411: Inner cable 444: Installation slot

[0048] 2: Connector body 412: External cable 45: Back shell

[0049] 21: Connector terminal 42: Plastic body 46: Inner mold

[0050] 22: Lug 43: Cable terminal 5: External mold

[0051] 23: Through hole 431: Upper terminal 61: Bolt

[0052] 24: Plug slot 432: Lower row of terminals 62: Nut

[0053] 25: Reinforcement ribs 44: Front shell 7: Connector metal shell

[0054] 71: welding foot 73: card point slot 8: locking piece

[0055] 72: U-shaped groove 74: notch groove 81: convex point DETAILED DESCRIPTION

[0056] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0057] Embodiment 1

[0058] like Figures 3 to 6 As shown, this embodiment discloses a connector arranged on an adapter card, comprising: an adapter card 1, a connector body 2, a PCB board 3, a cable 41, an outer mold 5 and fasteners. The fasteners in this embodiment are bolts 61 and nuts 62.

[0059] Combination Figure 6 As shown, a plurality of connector terminals 21 are installed in the connector body 2. The PCB board 3 is in contact with the front end of the connector terminal 21, and the contact connection point is the first contact point A. The PCB board is specifically a CEM PCB board. The cable 41 is in contact with the rear end of the connector terminal 21, and the contact connection point is the second contact point B. The first contact point A and the second contact point B are respectively located on both sides of the adapter card 1. The connector body 2 of this embodiment is a welding connector, and a soldering pad is provided at the rear end of the connector terminal 21. The cable 41 is welded and connected to the soldering pad. The outer mold 5 is injection molded at the welding point between the cable 41 and the connector terminal 21, so that the outer mold 5 is covered around the entire periphery of the connector terminal 21 to prevent the welding area from being contaminated and corroded, and reduce the risk of the solder joint being pulled off.

[0060] The adapter card 1 has a receiving groove 11 in the middle. Both ends of the adapter card 1 have mounting holes 12 for the bolts 61 to pass through. The connector body 2 is fixed in the receiving groove 11 of the adapter card 1, and the connector body 2 and the adapter card 1 are fixed by bolts 61 and nuts 62: Figure 4 In the embodiment, lugs 22 are provided on both sides of the connector body 2 , through holes 23 are provided on the lugs 22 , and bolts 61 pass through the mounting holes 12 of the adapter card 1 and the through holes 23 of the lugs 22 and are locked with nuts 62 .

[0061] The installation steps of this embodiment are as follows:

[0062] (1) Solder the cable 41 to the pad at the rear end of the connector terminal 21 and inject the outer mold 5.

[0063] (2) The connector body 2 with the cable 41 welded thereto is passed through the receiving groove 11 and fixed to the adapter card 1 by means of bolts 61 and nuts 62 .

[0064] Embodiment 2

[0065] like Figures 7 to 16 As shown, this embodiment discloses a high-speed connector assembly provided on an adapter card, which is a secondary adapter type structural solution, including: an adapter card 1, a connector body 2, a PCB board 3, a connector metal shell 7, a locking member 8 and a cable assembly 4.

[0066] A plurality of connector terminals 21 are installed in the connector body 2. Fig.12 , 13 As shown, the cable assembly 4 includes a plastic body 42, a cable terminal 43 and a plurality of cables 41. The plastic body 42 is plugged into the connector body 2, the cable terminal 43 is installed in the plastic body 42, and the cable terminal 43 is in contact with the cables 41.

[0067] Combination Fig.10 As shown, the PCB board 3 is in contact with the front end of the connector terminal 21, and the contact connection point is the first contact point A. The PCB board 3 is specifically a CEM PCB board. The cable assembly 4 is plugged into the connector body 2, so that the cable 41 is in contact with the rear end of the connector terminal 21, and the contact connection point is the second contact point B. The first contact point A and the second contact point B are respectively located on both sides of the adapter card 1.

[0068] The specific connection structure of this embodiment is described in detail as follows.

[0069] The adapter card 1 is provided with a receiving slot 11 in the middle, and a plurality of card slots 13 are provided at the edge of the receiving slot 11. The connector body 2 is fixed in the receiving slot 11 of the adapter card 1.

[0070] like Fig.14 As shown, a plug-in slot 24 is provided at the middle of the rear end of the connector body 2, and the rear end of the connector terminal 21 extends into the plug-in slot 24. A reinforcing rib 25 is provided at the upper part of the rear end of the connector body 2.

[0071] like Fig.13 As shown, the plastic body 42 includes a front shell 44, a rear shell 45 and an inner mold 46, and the welding connection of the cable 41 and the cable terminal 43 is arranged inside the front shell 44 and the rear shell 45, and is fixed by the injection molding inner mold 46. Fig.15As shown, the front end of the front shell 44 is provided with a plug-in boss 441 corresponding to the plug-in slot 24, the cable terminal 43 extends to the end surface of the plug-in boss 441, and the plug-in boss 441 is inserted into the plug-in slot 24, so that the cable terminal 43 is in close contact with the connector terminal 21. A docking wall 442 is provided above the plug-in boss 441, and the docking wall 442 can be an integrated long strip docking wall or a segmented structure. This embodiment is a segmented structure, and a gap groove 443 matching with the reinforcing rib is provided between the docking walls 442, and a mounting groove 444 for fixing the locking member is provided on the docking wall 442. A convex point 81 is provided on the upper end of the locking member 8.

[0072] like Fig.16 As shown, the connector metal shell 7 is installed on the periphery of the plastic body 42, and a welding foot 71 is provided at the end of the connector metal shell 7. The welding foot 71 is inserted into the card slot 13 and welded on the card slot 13. The connector metal shell 7 is provided with a U-shaped groove 72 and a card point groove 73. The locking member 8 is fixed in the installation groove 444 on the docking wall 442, and then plugged into the U-shaped groove 72 of the connector metal shell 7, so that the protrusion 81 of the locking member 8 is inserted into the card point groove 73 to achieve locking. The connector metal shell 7 is provided with a notch groove 74 corresponding to the outlet direction of the cable 41 for the cable 41 to pass through.

[0073] like Fig.10 , 13 As shown, the cable terminal 43 is a bent L-shape, and the cable 41 passes through the notch 74 in a direction perpendicular to the PCB board 3. The cable 41 includes two rows of cables arranged in parallel, namely the inner cable 411 and the outer cable 412, and the front end of the outer cable 412 is higher than the front end of the inner cable 411. The cable terminal 43 includes an upper row of terminals 431 and a lower row of terminals 432. The heads of the two rows of cable terminals 43 are bent elastic structures and are in contact with the connector terminals 21. The tail of the upper row of terminals 431 is welded to the outer cable 412, and the tail of the lower row of terminals 432 is welded to the inner cable 411.

[0074] The installation steps of this embodiment are as follows:

[0075] (1) The cable 41 and the cable terminal 43 are welded, and then the inner mold 46 is injected into the front shell 44 and the rear shell 45 so that the inner mold 46 is fully filled around the welding point between the cable 41 and the cable terminal 43. The locking member 8 is fixed in the installation groove 444.

[0076] (2) Solder the solder pins 71 of the connector metal shell 7 to the slots 13 of the connector body 2. Insert the PCB board 3 onto the connector body.

[0077] (3) Align the plug-in boss 441 of the front shell 44 with the plug-in slot 24 of the connector body 2 so that the gap slot 443 on the docking wall 442 is inserted into the reinforcing rib 25, and the locking member 8 is simultaneously inserted into the U-shaped groove, and the protrusion 81 of the locking member 8 is engaged in the engaging point slot 73.

[0078] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by any technician familiar with the technical field within the technical scope disclosed by the present invention should be covered within the protection scope of the present invention.

Claims

1. A connector assembly provided on a riser card, characterized in that: include: An adapter card, wherein a receiving slot is provided in the middle thereof; The connector body is fixed in the receiving slot of the adapter card, and a plurality of connector terminals are installed in the connector body; a plug-in slot is arranged in the middle of the rear end of the connector body, and the rear ends of the connector terminals extend into the plug-in slot; The PCB board is in contact with the front end of the connector terminal, and the contact connection point is a first contact point; A cable assembly comprises a plastic body, a cable terminal and a plurality of cables, wherein the plastic body is plugged into a connector body, the cable terminal is installed in the plastic body and is in contact with the rear end of the connector terminal, the contact connection point is a second contact point, the cable terminal is in contact with the cable or is integrally formed; the first contact point and the second contact point are respectively located on both sides of the adapter card; the plastic body comprises a front shell, a rear shell and an inner mold, the contact connection between the cable and the cable terminal is arranged inside the front shell and the rear shell, and is fixed by injection molding the inner mold; It also includes a connector metal shell fixed on the adapter card. The connector metal shell is installed on the periphery of the plastic body and is locked and connected with the plastic body through a locking piece.

2. The connector assembly provided on the riser card according to claim 1, characterized in that: The front end of the plastic body is provided with a plug-in boss corresponding to the plug-in slot, the cable terminal extends to the end face of the plug-in boss, and the plug-in boss is inserted into the plug-in slot, so that the cable terminal is in close contact with the connector terminal.

3. The connector assembly provided on the riser card according to claim 1, characterized in that: The adapter card is provided with a plurality of card slots, and the end of the connector metal shell is provided with corresponding welding feet, and the welding feet are inserted into the card slots and welded on the card slots.

4. The connector assembly provided on the riser card according to claim 1, wherein: The connector metal shell is provided with a U-shaped groove and a card point groove, a docking wall is provided above the plastic body, the docking wall is provided with an installation groove for fixing the locking piece, a convex point is provided on the upper end of the locking piece, and the locking piece is plugged into the U-shaped groove of the connector metal shell so that the convex point of the locking piece is inserted into the card point groove to achieve locking.

5. The connector assembly provided on the riser card as claimed in claim 4, characterized in that: The upper part of the rear end of the connector body is provided with a reinforcing rib, the butt joint wall is a segmented structure, and a gap groove matching the reinforcing rib is provided between the butt joint walls.

6. The connector assembly provided on the riser card according to claim 1, wherein: The cable terminal is in a bent L-shape, the cable is led out in a direction perpendicular to the PCB board, and a notch groove for the cable to pass through is provided on the connector metal shell corresponding to the direction of the cable leading out.

7. The connector assembly provided on the riser card according to claim 6, wherein: The cable includes two rows of cables arranged in parallel, namely an inner cable and an outer cable, and the front end of the outer cable is higher than the front end of the inner cable; the cable terminals include an upper row of terminals and a lower row of terminals, and the heads of the two rows of cable terminals are bent elastic structures, which are in contact and conductive with the connector terminals, the tails of the upper row of terminals are welded to the outer cable, and the tails of the lower row of terminals are welded to the inner cable.

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