Board end communication connector

Abstract

The utility model provides a board end communication connector. The board end communication connector comprises a connector main body, an elastic contact element and a circuit board, the connector main body is provided with at least one communication interface, an accommodating groove arranged adjacent to the communication interface, and a plugging port for communicating the communication interface with the accommodating groove. The elastic contact element is assembled in the plug interface and partially extends into the communication interface and the accommodating groove. The circuit board is assembled in the containing groove and abuts against the elastic contact piece. The elastic contact piece comprises a plurality of contact pieces, each contact piece is provided with a contact part extending into the communication interface and an abutting part extending into the containing groove, the abutting parts abut against the circuit board to achieve electrical connection, and the contact parts are used for achieving communication connection. Compared with the prior art, the mode that the elastic contact piece abuts against the circuit board is adopted, the structure is simpler, and cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a board end communication connector and belongs to the technical field of communication connector. BACKGROUND

[0002] Most of the communication connectors with circuit board in the market adopt the welding mode for the connection between the communication terminal and the circuit board, which causes inconvenience for subsequent disassembly and maintenance, and welding also needs to use welding equipment, has certain operation difficulty and increases cost.

[0003] Therefore, it is necessary to improve the existing communication connector to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a board end communication connector which adopts the abutment mode of elastic contact piece and circuit board, and has simpler structure and cost saving.

[0005] To achieve the above object, the utility model provides a board end communication connector which comprises:

[0006] A connector main body is provided with at least one communication interface, a receiving groove arranged adjacent to the communication interface and a plug-in interface connecting the communication interface and the receiving groove;

[0007] An elastic contact piece is assembled in the plug-in interface and partially extends into the communication interface and the receiving groove;

[0008] A circuit board is assembled in the receiving groove and abuts against the elastic contact piece;

[0009] The elastic contact piece comprises a plurality of contact pieces, each of which is provided with a contact part extending into the communication interface and an abutment part extending into the receiving groove, the abutment part abuts against the circuit board to realize electrical connection, and the contact part is used for realizing communication connection.

[0010] As a further improvement of the utility model, the plug-in interface is arranged on the side wall between the communication interface and the receiving groove, the contact part is inserted into the communication interface from the plug-in interface, and the abutment part extends into the receiving groove from the plug-in interface.

[0011] As a further improvement of the utility model, a limiting groove is arranged in the plug-in interface, and the contact piece is further provided with a limiting convex part received in the limiting groove to limit the elastic contact piece in the plug-in interface.

[0012] As a further improvement of the utility model, the contact part is located at one end of the contact piece, and the limiting convex part is arranged on both sides of the abutment part.

[0013] As a further improvement of the utility model, the connector body is provided with a containing cavity on the side away from the communication interface, the communication interface and the containing groove are communicated with the containing cavity, and the elastic contact part is exposed to the containing cavity.

[0014] As a further improvement of the utility model, the board end communication connector further comprises a gland assembled in the containing cavity, and the gland is provided with a slot communicated with the containing groove for containing the circuit board.

[0015] As a further improvement of the utility model, the containing cavity is further provided with a sealing element, the sealing element is located on the side of the gland facing the communication interface, the sealing element is provided with an avoiding hole for the circuit board to pass through and a heat dissipation hole corresponding to the plug-in interface.

[0016] As a further improvement of the utility model, the gland is further provided with a pressing part on the inner wall of the slot for abutting against the sealing element, so that the sealing element and the elastic contact part are kept in abutment, and the elastic contact part is limited in the plug-in interface in the depth direction of the communication interface.

[0017] As a further improvement of the utility model, the communication interface is provided with a plurality of communication interfaces, and the plurality of communication interfaces are divided into two groups arranged in an upper and lower manner, the containing groove is located between the two groups of communication interfaces, and the plurality of elastic contact parts are clamped on both sides of the circuit board.

[0018] As a further improvement of the utility model, the board end communication connector further comprises a board end terminal, and the connector body is provided with a plug-in slot, and the board end terminal is assembled in the plug-in slot.

[0019] The board end communication connector of the utility model has the advantages that the elastic contact part is assembled in the plug-in interface communicated with the communication interface and the containing groove, and then the plurality of contact pieces of the elastic contact part are arranged as a contact part extending into the communication interface and an abutting part extending into the containing groove, so that the abutting part can be abutted against the circuit board in the containing groove to realize electrical connection, and the contact part is used for realizing communication connection. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a three-dimensional structure schematic view of the integrated communication connector of the utility model.

[0021] Figure 2 is Figure 1 an exploded view of

[0022] Figure 3 is Figure 1The perspective structural diagram of the middle plate end communication connector.

[0023] Figure 4 is Figure 1 The perspective structural diagram of the middle plate end communication connector.

[0024] Figure 5 is Figure 2 The assembly view of the middle plate end body, the elastic contact piece, the clamping piece and the circuit board.

[0025] Figure 6 is Figure 2 The perspective structural diagram of the middle plate end body.

[0026] Figure 7 is Figure 2 The perspective structural diagram of the middle plate end body from another angle.

[0027] Figure 8 is Figure 2 The perspective structural diagram of the middle circuit board.

[0028] Figure 9 is Figure 2 The perspective structural diagram of the middle clamping piece.

[0029] Figure 10 is Figure 2 The perspective structural diagram of the middle elastic contact piece.

[0030] Figure 11 is Figure 2 The perspective structural diagram of the middle pressing cover.

[0031] Figure 12 is Figure 2 The perspective structural diagram of the middle pressing cover from another angle.

[0032] Figure 13 is Figure 2 The perspective structural diagram of the middle sealing piece.

[0033] Figure 14 is Figure 2 The perspective structural diagram of the middle plate end body.

[0034] Figure 15 is Figure 2 The perspective structural diagram of the middle unlocking buckle. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model is described in detail below by combining with the drawings and specific embodiments.

[0036] Please refer to Figure 1As shown in the figure, the utility model discloses a kind of integrated communication connectors 100, including line end communication connector 200 and board end communication connector 300, the board end communication connector 300 is installed on equipment shell 400, the line end communication connector 200 can be detachably connected to the board end communication connector 300, communication and electrical connection can be realized simultaneously by the line end communication connector 200 and the board end communication connector 300.

[0037] As Figures 2-7 As shown in the figure, the line end communication connector 200 includes connector main body (hereinafter referred to as line end body 1), the line end body 1 is equipped with accommodating groove 10, at least one communication connector 11 is equipped in the accommodating groove 10, and line end terminal 12 is located in one side of the communication connector 11.The communication connector 11 and the line end terminal 12 are all arranged towards the board end communication connector 300.Preferably, the communication connector 11 and the line end terminal 12 can be detachably assembled in the accommodating groove 10.The board end communication connector 300 includes connector main body (hereinafter referred to as board end body 2), the board end body 2 is equipped with at least one communication interface 20, and board end terminal 21 is located in one side of the communication interface 20.The communication interface 20 is inserted for the communication connector 11, to realize communication connection.The board end terminal 21 is connected with the line end terminal 12, to realize electrical connection simultaneously.

[0038] The board end communication connector 300 also includes elastic contact piece 3 and circuit board 4 assembled on the board end body 2.The board end body 2 is equipped with accommodating groove 22 arranged adjacent to the communication interface 20 and plug interface 23 communicating the communication interface 20 and the accommodating groove 22.The elastic contact piece 3 is assembled in the plug interface 23, and the circuit board 4 is assembled in the accommodating groove 22.Preferably, the elastic contact piece 3 partially extends into the communication interface 20 and is electrically connected with the communication connector 11, and partially extends into the accommodating groove 22 and is electrically connected with the circuit board 4.

[0039] In this embodiment, the communication connector 11 and the communication interface 20, as well as the wire terminal 12 and the board terminal 21, are respectively provided in multiples. The communication interface 20 is an RJ45 interface, and the multiple communication interfaces 20 are divided into two parallel groups. The receiving slot 22 is disposed between the two groups of communication interfaces 20 to accommodate the circuit board 4. Each communication interface 20 is connected to the receiving slot 22 through the plug interface 23. Each communication interface 20 is provided with the elastic contact 3, and the multiple elastic contacts 3 are disposed on both sides of the circuit board 4. Each group of communication interfaces 20 preferably has three and is aligned. Of course, in other optional embodiments, the multiple communication interfaces 20 can also be divided into three or four parallel groups, and each group of communication interfaces 20 can also have two or four, etc., without limitation.

[0040] like Figure 8 As shown, in this embodiment, the circuit board 4 has conductive areas 41 on opposite sides facing the connector 23 that abut against the elastic contacts 3. Multiple elastic contacts 3 abut against corresponding conductive areas 41, which is easier to assemble and more cost-effective than soldering. Multiple elastic contacts 3 are clamped on both sides of the circuit board 4 to integrate data lines connected to multiple communication connectors 11 in parallel onto the same circuit board. The circuit board 4 is electrically connected to multiple wires within the device housing 400 for signal output. When multiple RJ45 connectors are required, the integrated communication connector 100 of this invention can save connector installation costs, surface opening space of the device housing 400, and internal device space, resulting in a cheaper overall application.

[0041] Multiple board-end terminals 21 are arranged in a straight line on one side of the communication interface 20. The board-end terminals 21 are arranged vertically, and the board-end body 2 has multiple vertically arranged slots 24 corresponding to them. The multiple board-end terminals 21 are assembled into the corresponding slots 24, and the wire-end terminals 12 are inserted into the slots 24 and electrically connected to the board-end terminals 21. The end of each board-end terminal 21 furthest from the wire-end terminal 12 is connected to a conductive wire. In this embodiment, adhesive is applied to the connection point between the board-end terminal 21 and the conductive wire to achieve a sealing effect, preventing water or dust from entering the device housing 400. The board-end terminals 21 are preferably 8-pin terminals used to achieve electrical connection between the board-end communication connector 300 and the wire-end communication connector 200.

[0042] The plate end body 2 is provided with a receiving cavity 25 on the side away from the communication interface 20, and a plurality of the insertion slots 24 are arranged on the outside of the receiving cavity 25 and are spaced apart from the receiving cavity 25. The receiving groove 22 is open towards the receiving cavity 25 and is in communication with the receiving cavity 25, and the circuit board 4 partially extends into the receiving cavity 25. It can be known that the receiving groove 22 is opposite to the opening direction of the communication interface 20, which is convenient for accommodating the circuit board 4 while keeping the side of the communication interface 20 clean.

[0043] The plate end body 2 is provided with a clamping member 5 for limiting the circuit board 4 in the receiving groove 22. The clamping member 5 extends into the receiving groove 22 and abuts against the circuit board 4. The clamping member 5 is clamped on one side of the partition wall 201 between two adjacent communication interfaces 20, and one side of the partition wall 201 is provided with a clamping groove 202, and the clamping member 5 is arranged in the clamping groove 202, and the clamping groove 202 can limit the clamping member 5. The clamping member 5 is preferably provided with four and is arranged in position. The clamping member 5 is arranged on both sides of the circuit board 4, so that the circuit board 4 on both sides is subjected to the same force and abuts against each other, further making the circuit board 4 keep the position stable, and at the same time, the circuit board 4 will not be damaged.

[0044] Specifically, the clamping member 5 is located on the side of the partition wall 201 facing the receiving cavity 25. The clamping member 5 includes a body 51 and two clamping arms 52 perpendicular to the body 51, as shown in Figure 9 One end of the body 51 is clamped on the partition wall 201, and the other end extends into the receiving groove 22 and abuts against the circuit board 4. The clamping arms 52 are clamped on both sides of the partition wall 201. The communication interface 20 is correspondingly provided with a through hole 203 on both sides of the partition wall 201 for the clamping arms 52 to pass through, and the clamping arms 52 protrude from the partition wall 201 to abut against the communication connector 11, thereby increasing the mechanical connection strength between the communication connector 11 and the communication interface 20.

[0045] The insertion interface 23 is arranged on the side wall between each communication interface 20 and the receiving groove 22, and extends through the side wall of the communication interface 20 to the receiving cavity 25. So that each communication interface 20 is in direct communication with the receiving cavity 25, and the elastic contact member 3 is partially exposed to the receiving cavity 25. In this embodiment, the elastic contact member 3 is inserted into the insertion interface 23 from the receiving cavity 25 to be connected with the communication connector 11 and the circuit board 4, respectively.

[0046] As Figure 10As shown, the elastic contact piece 3 comprises a plurality of contact pads 31, and each side wall of the communication interface 20 is provided with a plurality of plug-in interfaces 23 corresponding to the plurality of contact pads 31, that is, each contact pad 31 is independently located in the corresponding plug-in interface 23. Each contact pad 31 is provided with a contact portion 311 extending into the communication interface 20 and an abutting portion 312 extending into the receiving groove 22, the contact portion 311 is inserted into the communication interface 20 from the plug-in interface 23 to be electrically connected with the communication connector 11 to realize communication connection, and the abutting portion 312 extends into the receiving groove 22 from the plug-in interface 23 to abut against the conductive area 41 of the circuit board 4 to realize electrical connection. Compared with welding, the structure is simpler, easier to assemble and more cost-saving.

[0047] Preferably, each plug-in interface 23 is provided with a limiting groove 231, and the contact pad 31 is also provided with a limiting protrusion 313 received in the limiting groove 231 to limit the elastic contact piece 3 in the plug-in interface 23, so as to prevent the elastic contact piece 3 from being forced to lift up and separated from the plug-in interface 23 when the communication connector 11 is inserted into the communication interface 20. Specifically, the contact portion 311 is located at one end of the contact pad 31, and the limiting protrusion 313 protrudes from the opposite sides of the contact pad 31, and is preferably arranged on both sides of the abutting portion 312, further ensuring that the abutting portion 312 always abuts against the circuit board 4.

[0048] The board end communication connector 300 further comprises a gland 6 assembled in the accommodating cavity 25, and the gland 6 is snap-fitted with the side wall of the accommodating cavity 25. Figure 11 and Figure 12 As shown, the gland 6 is provided with a slot 61 for inserting the circuit board 4, and the slot 61 is aligned and communicated with the receiving groove 22 to accommodate the circuit board 4. The opposite sides of the slot 61 are provided with protruding limiting portions 62, and the two side edges of the circuit board 4 are correspondingly provided with matching portions 42, and the matching portions 42 are snap-fitted with the limiting portions 62 to limit the circuit board 4 in the slot 61. Preferably, the limiting portion 62 close to one side of the equipment shell 400 is an inclined surface, and the matching portion 42 away from the other side of the equipment shell 400 is also provided with an inclined surface, and the circuit board 4 is inserted into the receiving groove 22 from the slot 61 until the limiting portion 62 is snap-fitted into the matching portion 42.

[0049] The accommodating cavity 25 is also provided with a sealing member 7 located on the side of the gland 6 facing the communication interface 20. Figure 13As shown, the sealing member 7 is provided with an avoiding hole 701 for the circuit board 4 to pass through, and a heat dissipation hole 702 corresponding to the plug interface 23. The gland 6 is tightly connected with the sealing member 7, and the sealing member 7 can prevent water or dust from entering the equipment shell 400 while ensuring heat dissipation. Preferably, the gland 6 is also provided with a pressing portion 63 on the inner wall of the slot 61 for pressing and fixing the sealing member 7. The pressing portion 63 protrudes from the inner wall of the slot 61 and is arranged corresponding to the elastic contact 3. The pressing portion 63 makes the sealing member 7 keep abutting with the elastic contact 3, so as to limit the elastic contact 3 in the plug interface 23 in the depth direction of the communication interface 20. That is, the elastic contact 3, the sealing member 7 and the gland 6 are always tightly connected, that is, one end of the elastic contact 3 away from the contact portion 311 abuts on the sealing member 7. In this embodiment, after the circuit board 4 is inserted into the slot 61, the pressing portion 63 is also subjected to dispensing treatment, so as to ensure the sealing performance.

[0050] The outer periphery of the board end body 2 is provided with a protruding mounting plate 26, and a plurality of mounting holes (not numbered) for fasteners 261 to pass through are arranged on the mounting plate 26, for mounting and fixing the board end body 2 on the equipment shell 400. The board end communication connector 300 comprises a sealing ring 71, which is annularly arranged on the side of the mounting plate 26 facing the equipment shell 400, and plays a sealing role. The sealing ring 71 can prevent water or dust from entering the equipment shell 400.

[0051] As shown in FIG. 1, the board end communication connector 300 is arranged on the circuit board 4, and the circuit board 4 is arranged on the equipment shell 400. The board end communication connector 300 is arranged on the circuit board 4, and the circuit board 4 is arranged on the equipment shell 400. Figure 6 and Figure 14As shown, the plate end communication connector 300 is provided with a clamping portion 27 on the outer peripheral wall, and the wire end communication connector 200 is provided with an elastic arm 13 extending into the clamping portion 27 and clamped and fixed with the clamping portion 27. In the embodiment, the wire end body 1 is inserted and matched with the plate end body 2, and the wire end body 1 and the plate end body 2 can be detachably connected through the cooperation of the clamping portion 27 and the elastic arm 13. Specifically, the clamping portion 27 is arranged on the outer side wall of the plate end body 2 and extends towards the wire end body 1. The elastic arm 13 is correspondingly arranged on the outer side wall of the wire end body 1, and the end of the elastic arm 13 away from the clamping portion 27 has a rotating space 130 to rotate and separate from the clamping portion 27 under the action of an external force. Preferably, the clamping portion 27 is located on the mounting plate 26, and a receiving space 270 is formed between the clamping portion 27 and the outer side wall of the plate end body 2. The clamping portion 27 is provided with a first fastener 271 extending towards the receiving space 270, and the elastic arm 13 is correspondingly provided with a second fastener 131, which is clamped and matched with the first fastener 271. By pressing the elastic arm 13, the second fastener 131 is separated from the first fastener 271, and the wire end body 1 can be removed from the plate end body 2.

[0052] As shown in Figures 2-3 and Figure 15 The wire end communication connector 200 further includes an unlocking buckle 8 and a locking member 9. The unlocking buckle 8 is sleeved on the side of the wire end body 1 away from the clamping portion 27, and the unlocking buckle 8 is provided with an extension arm 81 extending towards the elastic arm 13, which is configured to extend into the rotating space 130 to prevent the elastic arm 13 from rotating under the action of an external force. That is, only when the extension arm 81 of the unlocking buckle 8 moves out of the rotating space 130, the elastic arm 13 can rotate under the action of an external force to prevent the wire end body 1 from being easily pulled out by hand, causing connection interruption, or damage to the connector in the long run. The unlocking buckle 8 can ensure stable connection and prolong the service life of the connector. The locking member 9 is located on the side of the unlocking buckle 8 away from the elastic arm 13, and the locking member 9 is used to ensure that the extension arm 81 extends into the rotating space 130 and is fixed. The locking member 9 is threadedly connected with the wire end body 1, and the locking member 9 is preferably a nut and can move along the wire end body 1 to approach or move away from the unlocking buckle 8. The inner side wall of the end of the unlocking buckle 8 away from the elastic arm 13 is provided with a locking wall 82 to abut against the locking member 9 under stress.

[0053] The outer peripheral wall of the line end body 1 is provided with a mounting portion 14 for mounting the unlocking buckle 8, the unlocking buckle 8 is sleeved on the mounting portion 14 and can slide along the mounting portion 14 to drive the extension arm 81 to enter or move out of the rotating space 130. The mounting portion 14 is provided with a protruding stop boss 141, and the inner peripheral wall of the unlocking buckle 8 near the elastic arm 13 is provided with a protruding supporting block 83, and there is a gap between the stop boss 141 and the supporting block 83, so that when the extension arm 81 moves out of the rotating space 130, the stop boss 141 and the supporting block 83 abut and cooperate to limit the unlocking buckle 8 from being separated from the mounting portion 14.

[0054] The outer peripheral wall of the line end body 1 is also provided with an elastic buckle 15 extending obliquely towards the mounting portion 14, the elastic buckle 15 is correspondingly arranged with the extension arm 81, and when the extension arm 81 extends into the rotating space 130, the extension arm 81 is located outside the elastic buckle 15 and presses the elastic buckle 15. Specifically, the inner side of the extension arm 81 is provided with a containing groove 810 for containing the elastic buckle 15, and one end of the elastic buckle 15 near the mounting portion 14 is formed with a guide portion 151 for guiding the elastic buckle 15 into the containing groove 810.

[0055] Preferably, the side of the mounting portion 14 near the elastic arm 13 is provided with a groove 142 for providing elastic deformation space for the elastic buckle 15 when the elastic buckle 15 is deformed under force. The locking piece 9 is locked on the line end body 1 to provide a force opposite to the elastic buckle 15, so that the extension arm 81 extends into the rotating space 130 and is fixed. When the locking piece 9 is loosened, the unlocking buckle 8 will automatically move away from the elastic arm 13 under the elastic force of the elastic buckle 15. At this time, the extension arm 81 moves out of the rotating space 130, and the elastic arm 13 can be rotated under the action of external force.

[0056] In the embodiment, the line end body 1 is inserted into the inside of the plate end body 2, and the sealing gasket 72 is arranged between the line end body 1 and the plate end body 2. The sealing gasket 72 can seal the connection between the line end body 1 and the plate end body 2.

[0057] In summary, the plate end communication connector 300 of the utility model through the elastic contact 3 is assembled in the plug interface 23 of the communication interface 20 and the accommodating groove 22, and then the plurality of contact pieces 31 of the elastic contact 3 are set as the contact part 311 of the extension into the communication interface 20 and the abutting part 312 of the extension into the accommodating groove 22, so that the abutting part 312 can be used to abut with the circuit board 4 in the accommodating groove 22, the electrical connection is realized, and the contact part 311 is used to realize the communication connection.

[0058] The above embodiments are only used to illustrate the technical solutions of the utility model and not limit, although the utility model is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the utility model.

Claims

1. A board end communication connector characterized by comprising: The application relates to a board end communication connector. The connector body is provided with at least one communication interface, a receiving groove arranged adjacent to the communication interface and a plug-in interface connecting the communication interface and the receiving groove; The elastic contact element is assembled in the plug-in interface and partially extends into the communication interface and the receiving groove; The circuit board is assembled in the receiving groove and abuts against the elastic contact element; The elastic contact element comprises a plurality of contact pieces, each of which is provided with a contact part extending into the communication interface and an abutting part extending into the receiving groove, the abutting part abuts against the circuit board to realize electrical connection, and the contact part is used for realizing communication connection.

2. The board end communication connector according to claim 1, characterized by: The plug-in interface is arranged on the side wall between the communication interface and the receiving groove, the contact part is inserted into the communication interface from the plug-in interface, and the abutting part extends into the receiving groove from the plug-in interface.

3. The board end communication connector according to claim 2, characterized by: The plug-in interface is provided with a limiting groove, and the contact piece is further provided with a limiting convex part accommodated in the limiting groove to limit the elastic contact element in the plug-in interface.

4. The board end communication connector according to claim 3, wherein: The contact part is located at one end of the contact piece, and the limiting convex part is arranged on both sides of the abutting part.

5. The board end communication connector according to Claim 1, characterized by: The side of the connector body away from the communication interface is provided with a containing cavity, the communication interface and the receiving groove are communicated with the containing cavity, and the elastic contact element is partially exposed to the containing cavity.

6. The board end communication connector according to claim 5, wherein: The board end communication connector further comprises a gland assembled in the containing cavity, the gland is provided with a slot communicated with the receiving groove to accommodate the circuit board.

7. The board end communication connector according to claim 6, wherein: The containing cavity is further provided with a sealing element, the sealing element is located on the side of the gland facing the communication interface, the sealing element is provided with an avoiding hole for the circuit board to pass through and a heat dissipation hole corresponding to the plug-in interface.

8. The board end communication connector according to claim 7, wherein: The gland is further provided with a pressing part on the inner wall of the slot for abutting against the sealing element, so that the sealing element abuts against the elastic contact element to limit the elastic contact element in the plug-in interface in the depth direction of the communication interface.

9. The board end communication connector of claim 1, wherein: The communication interface is provided with a plurality of communication interfaces, and the plurality of communication interfaces are arranged in two groups arranged in an up-down mode, the receiving groove is located between the two groups of communication interfaces, and the plurality of elastic contact elements are clamped on both sides of the circuit board.

10. The board end communication connector of claim 1, wherein: The board end communication connector further comprises a board end terminal, and the connector body is provided with a plug-in groove, and the board end terminal is assembled in the plug-in groove.

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