CN223680438U

CN223680438U - Board end communication connector

Info

Publication number: CN223680438U
Application number: CN202423141772.5U
Authority: CN
Inventors: 钱志华; 杨冬妍
Original assignee: Jiangsu Handa Power Technology Co ltd
Current assignee: Jiangsu Handa Power Technology Co ltd
Priority date: 2024-12-19
Filing date: 2024-12-19
Publication date: 2025-12-16
Anticipated expiration: 2034-12-19

Abstract

This utility model provides a board-end communication connector, comprising: a connector body, a resilient contact, and a circuit board. The connector body has at least one communication interface, a receiving groove adjacent to the communication interface, and a plug-in interface connecting the communication interface and the receiving groove. The resilient contact is assembled into the plug-in interface and partially extends into the communication interface and the receiving groove. The circuit board is assembled into the receiving groove and abuts against the resilient contact. The resilient contact includes multiple contact pieces, each contact piece having a contact portion extending into the communication interface and an abutting portion extending into the receiving groove. The abutting portion abuts against the circuit board to achieve electrical connection, and the contact portion is used to achieve communication connection. Compared with the prior art, this utility model uses a resilient contact abutting against the circuit board, resulting in a simpler structure and lower costs.

Description

Board end communication connector

Technical Field

The utility model relates to a board end communication connector, and belongs to the technical field of communication connectors.

Background

Most of communication connectors with circuit boards in the market are connected with the circuit boards in a welding mode, inconvenience is caused to follow-up disassembly, assembly and maintenance and the like, welding equipment is needed for welding, certain operation difficulty is achieved, and cost is increased.

In view of the foregoing, there is a need for improvements over existing communication connectors to address the above-described problems.

Disclosure of utility model

The utility model aims to provide a board-end communication connector, which adopts a mode that an elastic contact piece is abutted with a circuit board, and has simpler structure and cost saving.

In order to achieve the above object, the present utility model provides a board-end communication connector, comprising:

the connector body is provided with at least one communication interface, a containing groove adjacent to the communication interface and a plug-in port for communicating the communication interface and the containing groove;

The elastic contact piece is assembled on the plug interface and partially extends into the communication interface and the accommodating groove;

The circuit board is assembled in the accommodating groove and is abutted 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 accommodating groove, the abutting part abuts against the circuit board to realize electric connection, and the contact parts are used for realizing communication connection.

As a further improvement of the utility model, the plug-in port is arranged on the side wall between the communication interface and the containing groove, the contact part is inserted into the communication interface from the plug-in port, and the abutting part extends into the containing groove from the plug-in port.

As a further improvement of the utility model, a limit groove is arranged in the plug-in port, and the contact piece is also provided with a limit convex part accommodated in the limit groove so as to limit the elastic contact piece in the plug-in port.

As a further improvement of the utility model, the contact part is positioned at one end of the contact piece, and the limit convex parts are arranged at two sides of the abutting part.

As a further improvement of the utility model, a containing cavity is arranged on one side of the connector main body, which is away from the communication interface, the communication interface and the containing groove are both communicated with the containing cavity, and the elastic contact part is partially exposed in the containing cavity.

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

As a further improvement of the utility model, a sealing element is arranged in the accommodating cavity, the sealing element is positioned at one side of the gland facing the communication interface, and the sealing element is provided with a avoiding hole for the circuit board to pass through and a radiating hole corresponding to the plug interface.

As a further improvement of the utility model, the gland is further provided with a pressing part which is positioned on the inner wall of the slot and is used for abutting against the sealing element, so that the sealing element is kept abutting against the elastic contact element, and the elastic contact element is limited in the inserting port in the depth direction of the communication port.

As a further improvement of the utility model, a plurality of communication interfaces are arranged, the communication interfaces are divided into two groups which are arranged up and down, the accommodating groove is positioned between the two groups of communication interfaces, and the elastic contact pieces are clamped on two sides of the circuit board.

As a further improvement of the present utility model, the board-end communication connector further includes a board-end terminal, and the connector body is provided with a slot, and the board-end terminal is assembled in the slot.

The board-end communication connector has the beneficial effects that the elastic contact piece is assembled in the plug-in port communicated with the communication interface and the containing groove, and the plurality of contact pieces of the elastic contact piece are provided with the contact part extending into the communication interface and the abutting part extending into the containing groove, so that the abutting part can be abutted with the circuit board in the containing groove to realize electric connection, and the contact part is used for realizing communication connection. Compared with the prior art, the utility model adopts the mode that the elastic contact piece is abutted with the circuit board, has simpler structure and saves cost.

Drawings

Fig. 1 is a schematic perspective view of an integrated communication connector according to the present utility model.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is a schematic perspective view of the line-end communication connector in fig. 1.

Fig. 4 is a schematic perspective view of the board-end communication connector in fig. 1.

Fig. 5 is an assembly view of the board end body, spring contacts, clip and circuit board of fig. 2.

Fig. 6 is a schematic perspective view of the plate end body of fig. 2.

Fig. 7 is another angular perspective view of the plate end body of fig. 2.

Fig. 8 is a schematic perspective view of the circuit board in fig. 2.

Fig. 9 is a schematic perspective view of the clip of fig. 2.

Fig. 10 is a schematic perspective view of the spring contact of fig. 2.

Fig. 11 is a schematic perspective view of the gland of fig. 2.

Fig. 12 is a schematic view of another angular perspective of the gland of fig. 2.

Fig. 13 is a schematic perspective view of the seal of fig. 2.

Fig. 14 is a schematic perspective view of the wire end body of fig. 2.

Fig. 15 is a schematic perspective view of the unlocking buckle in fig. 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, the present utility model discloses an integrated communication connector 100, which includes a wire end communication connector 200 and a board end communication connector 300, wherein the board end communication connector 300 is mounted on a device housing 400, the wire end communication connector 200 is detachably connected to the board end communication connector 300, and communication and electrical connection can be simultaneously realized through the wire end communication connector 200 and the board end communication connector 300.

As shown in fig. 2 to 7, the wire-end communication connector 200 includes a connector body (hereinafter referred to as a wire-end body 1), the wire-end body 1 is provided with a receiving groove 10, at least one communication terminal 11 is provided in the receiving groove 10, and a wire-end terminal 12 is provided at one side of the communication terminal 11. The communication terminal 11 and the line terminal 12 are both disposed toward the board-end communication connector 300. Preferably, the communication terminal 11 and the line terminal 12 are detachably mounted in the receiving groove 10. The board-end communication connector 300 includes a connector body (hereinafter referred to as a board-end body 2), and the board-end body 2 is provided with at least one communication interface 20, and a board-end terminal 21 located on one side of the communication interface 20. The communication interface 20 is configured to allow the communication connector 11 to be inserted, so as to implement a communication connection. The board end terminal 21 is connected with the wire end terminal 12 in a matching manner so as to realize electrical connection at the same time.

The board-end communication connector 300 further includes a resilient contact 3 and a circuit board 4 mounted on the board-end body 2. The board end main body 2 is provided with a containing groove 22 adjacent to the communication interface 20 and a plug-in port 23 communicating the communication interface 20 and the containing groove 22. The elastic contact 3 is assembled in the insertion port 23, and the circuit board 4 is assembled in the receiving groove 22. Preferably, the elastic contact 3 extends into the communication interface 20 to be electrically connected with the communication connector 11, and extends into the receiving groove 22 to be electrically connected with the circuit board 4.

In this embodiment, the communication connector 11, the communication interface 20, the wire end terminal 12 and the board end terminal 21 are respectively provided in plural. The communication interfaces 20 are RJ45 interfaces, a plurality of the communication interfaces 20 are divided into two groups arranged in parallel, the accommodating groove 22 is arranged between the two groups of communication interfaces 20 for accommodating the circuit board 4, and each communication interface 20 is communicated with the accommodating groove 22 through the plug interface 23. The elastic contact elements 3 are disposed in each communication interface 20, and a plurality of the elastic contact elements 3 are disposed on two sides of the circuit board 4. Preferably, three communication interfaces 20 are provided and aligned. Of course, in other alternative embodiments, the plurality of communication interfaces 20 may be divided into three groups, four groups, etc. arranged in parallel, and each group of communication interfaces 20 may be provided with two, four, etc., which is not limited thereto.

As shown in fig. 8, in the present embodiment, the opposite sides of the circuit board 4 facing the socket 23 are provided with conductive areas 41 abutting against the elastic contacts 3, and a plurality of the elastic contacts 3 abut against the corresponding conductive areas 41, so that the assembly is facilitated and the cost is saved compared with welding. The elastic contact members 3 are clamped at two sides of the circuit board 4, and are used for integrating data wires connected with the communication connectors 11 in parallel on the same circuit board. The circuit board 4 is electrically connected to the plurality of wires in the device housing 400 for outputting signals. When a plurality of RJ45 connectors are needed, the integrated communication connector 100 of the present utility model can save the connector installation cost, the open space on the surface of the device housing 400, and the internal space of the device, and the whole application is cheaper.

The plurality of board-end terminals 21 are arranged in a line on one side of the communication interface 20. The board-end terminals 21 are longitudinally arranged, and the board-end main body 2 is correspondingly provided with a plurality of slots 24 longitudinally arranged. The plurality of board-end terminals 21 are assembled in the corresponding slots 24, and the wire-end terminals 12 are inserted into the slots 24 to be electrically connected with the board-end terminals 21. One end of each of the board end terminals 21, which is far away from the wire end terminal 12, is connected to a conductive wire, and in this embodiment, a sealing effect is achieved by dispensing at the connection of the board end terminal 21 and the conductive wire, so as to prevent water or dust from entering the device housing 400. The board-end terminal 21 is preferably an 8P connection terminal for electrically connecting the board-end communication connector 300 and the wire-end communication connector 200.

The board end main body 2 is provided with a containing cavity 25 at one side facing away from the communication interface 20, and a plurality of slots 24 are positioned at the outer side of the containing cavity 25 and are arranged at intervals with the containing cavity 25. The accommodating groove 22 is opened towards the accommodating cavity 25 and is communicated with the accommodating cavity 25, and the circuit board 4 partially stretches into the accommodating cavity 25. It can be appreciated that the direction of the receiving groove 22 is opposite to the opening direction of the communication interface 20, so as to receive the circuit board 4 while keeping the side of the communication interface 20 clean.

The board end main body 2 is provided with a clamping piece 5 for limiting the circuit board 4 in the accommodating groove 22. The clamping piece 5 stretches into the accommodating groove 22 and abuts against the circuit board 4. The clamping piece 5 is clamped on one side of a partition wall 201 between two adjacent communication interfaces 20, a clamping groove 202 is formed in one side of the partition wall 201, the clamping piece 5 is arranged in the clamping groove 202, and the clamping groove 202 can play a limiting role on the clamping piece 5. The clamping members 5 are preferably provided with four and aligned arrangements. The clamping pieces 5 are respectively arranged on two sides of the circuit board 4, so that the two sides of the circuit board 4 are stressed identically and are propped against each other, the circuit board 4 can be kept stable in position, and meanwhile, the circuit board 4 cannot be damaged.

Specifically, the clamping member 5 is located on the side of the partition wall 201 facing the accommodating chamber 25. The clip 5 comprises a body 51 and two gripping arms 52 perpendicular to the body 51, as shown in fig. 9. One end of the body 51 is held by the partition 201, and the other end extends into the accommodating groove 22 to abut against the circuit board 4. The clamping arms 52 clamp on both sides of the partition wall 201. The communication interface 20 is correspondingly provided with through holes 203 which are positioned at two sides of the partition wall 201 and through which the clamping arms 52 pass, and the clamping arms 52 protrude out of the partition wall 201 to be abutted with the communication connector 11, so that the mechanical connection strength between the communication connector 11 and the communication interface 20 is increased.

The insertion ports 23 are formed on the side wall between each communication port 20 and the receiving groove 22, and extend into the receiving cavity 25 through the side wall of the communication port 20. Such that each of the communication interfaces 20 is in direct communication with the receiving cavity 25, the resilient contact 3 being partially exposed to the receiving cavity 25. In this embodiment, the elastic contact 3 is inserted into the socket 23 from the accommodating chamber 25 to be connected with the communication connector 11 and the circuit board 4, respectively.

As shown in fig. 10, the elastic contact 3 includes a plurality of contact pieces 31, a plurality of plug-in ports 23 are disposed on a sidewall of each communication interface 20, and the plug-in ports 23 are in one-to-one correspondence with the contact pieces 31, that is, each contact piece 31 is independently located in the corresponding plug-in port 23. Each contact 31 is provided with a contact portion 311 extending into the communication interface 20 and an abutting portion 312 extending into the accommodating groove 22, the contact portion 311 is inserted into the communication interface 20 from the plug interface 23 to be electrically connected with the communication connector 11 so as to realize communication connection, and the abutting portion 312 extends into the accommodating groove 22 from the plug interface 23 to abut against the conductive area 41 of the circuit board 4 so as to realize electrical connection.

Preferably, a limiting groove 231 is disposed in each of the plugging ports 23, and the contact 31 is further provided with a limiting protrusion 313 received in the limiting groove 231, so as to limit the elastic contact 3 in the plugging port 23, so as to prevent the elastic contact 3 from being tilted and separated from the plugging port 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 31, and the limiting protruding portions 313 protrude from two opposite sides of the contact 31, and are preferably disposed on two sides of the abutting portion 312, so as to further ensure that the abutting portion 312 always abuts against the circuit board 4.

The board-end communication connector 300 further comprises a gland 6 fitted in the accommodating cavity 25, and the gland 6 is in snap fit with the side wall of the accommodating cavity 25. As shown in fig. 11 and 12, the cover 6 is provided with a slot 61 into which the circuit board 4 is inserted, and the slot 61 is aligned with and communicates with the receiving groove 22 for receiving the circuit board 4. Protruding limiting portions 62 are arranged on two opposite sides of the groove 61, matching portions 42 are correspondingly arranged on two side edges of the circuit board 4, and the matching portions 42 and the limiting portions 62 are mutually clamped and matched so as to limit the circuit board 4 in the groove 61. Preferably, the side of the limiting portion 62 near the device housing 400 is an inclined surface, and the side of the mating portion 42 far from the device housing 400 is correspondingly provided with an inclined surface, and the circuit board 4 is inserted into the accommodating groove 22 from the slot 61 until the limiting portion 62 is snapped into the mating portion 42.

A sealing element 7 is further arranged in the accommodating cavity 25, and the sealing element 7 is positioned on one side of the gland 6 facing the communication interface 20. As shown in fig. 13, the sealing member 7 is provided with a relief hole 701 through which the circuit board 4 passes, and a heat dissipation hole 702 corresponding to the plug port 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 device housing 400 while ensuring heat dissipation. Preferably, the gland 6 is further provided with a pressing part 63 located on the inner wall of the slot 61 and used for pressing and abutting against and fixing the sealing member 7, the pressing part 63 protrudes out of the inner wall of the slot 61 and is arranged corresponding to the elastic contact member 3, and the pressing part 63 enables the sealing member 7 to keep abutting against the elastic contact member 3 so as to limit the elastic contact member 3 in the plug-in port 23 in the depth direction of the communication interface 20. That is, the elastic contact member 3, the seal member 7 and the gland 6 are always tightly connected, that is, one end of the elastic contact member 3 away from the contact portion 311 abuts against the seal member 7. In this embodiment, after the circuit board 4 is inserted into the slot 61, the pressing portion 63 is further subjected to dispensing treatment to ensure tightness.

The periphery of the plate end main body 2 is provided with a protruding mounting plate 26, and a plurality of mounting holes (not numbered) for the fasteners 261 to pass through are formed in the mounting plate 26 for mounting and fixing the plate end main body 2 on the equipment housing 400. The board-end communication connector 300 comprises a sealing ring 71, and the sealing ring 71 is annularly arranged on one side of the mounting plate 26, which faces the equipment housing 400, so as to play a role in sealing. The seal ring 71 can block water or dust from entering the device housing 400.

As shown in fig. 6 and 14, the board-end communication connector 300 is provided with a clamping portion 27 on an outer peripheral wall thereof, and the line-end communication connector 200 is provided with an elastic arm 13 extending into the clamping portion 27 and being clamped and fixed with the clamping portion 27. In this embodiment, the wire end body 1 is in plug-in fit with the board end body 2, and the wire end body 1 and the board end body 2 can be detachably connected by the engagement of the clamping portion 27 with the elastic arm 13. Specifically, the engagement portion 27 is provided on the outer side wall of the board end body 2, and extends toward the line end body 1. The elastic arm 13 is correspondingly disposed on the outer sidewall of the wire end main body 1, and one end of the elastic arm 13 away from the clamping portion 27 has a rotation space 130, so as to rotate under the action of an external force and separate from the clamping portion 27. Preferably, the clamping portion 27 is located on the mounting plate 26, and an accommodating space 270 is formed between the clamping portion 27 and an outer side wall of the plate end main body 2. The locking portion 27 is provided with a first fastener 271 extending toward the accommodating space 270, the elastic arm 13 is correspondingly provided with a second fastener 131, and the second fastener 131 is locked and engaged with the first fastener 271. The elastic arm 13 is pressed, the second fastening member 131 is separated from the first fastening member 271, and the line-end body 1 can be removed from the board-end body 2.

As shown in fig. 2-3 and 15, the wire end communication connector 200 further includes a release catch 8 and a locking member 9. The unlocking buckle 8 is sleeved on one side, far away from the clamping portion 27, of the wire end main body 1, the unlocking buckle 8 is provided with an extension arm 81 extending towards the elastic arm 13, and the extension arm 81 is configured to extend into the rotation space 130 to prevent the elastic arm 13 from rotating under the action of external force. That is, only when the extension arm 81 of the unlocking buckle 8 moves out of the rotation space 130, the elastic arm 13 can rotate under the action of external force, so as to prevent the wire end main body 1 from being easily pulled out by hand to cause connection interruption or connector damage caused by long-term use. The unlocking buckle 8 can ensure stable connection and prolong the service life of the connector. The locking member 9 is located at a side of the unlocking buckle 8 away from the elastic arm 13, and the locking member 9 is used for ensuring that the extension arm 81 extends into the rotation space 130 and is fixed. The locking member 9 is screwed to the line end body 1, and the locking member 9 is preferably a nut and is movable along the line end body 1 to approach or separate from the unlocking buckle 8. The inner side wall of the unlocking buckle 8, which is far away from the elastic arm 13, is provided with a locking wall 82 to be in forced abutting connection with the locking piece 9.

The outer peripheral wall of the wire end main body 1 is provided with a mounting portion 14 for mounting the unlocking buckle 8, and the unlocking buckle 8 is sleeved on the mounting portion 14 and can slide along the mounting portion 14 so as to drive the extension arm 81 to enter or move out of the rotation space 130. The mounting portion 14 is provided with a protruding stop boss 141, a protruding support block 83 is provided on an inner peripheral wall of the unlocking buckle 8, which is close to the elastic arm 13, and a space exists between the support block 83 and the stop boss 141, so that when the extension arm 81 moves out of the rotation space 130, the stop boss 141 is in abutting fit with the support block 83, and the unlocking buckle 8 is limited to be separated from the mounting portion 14.

The outer peripheral wall of the wire end main body 1 is also provided with an elastic buckle 15 extending obliquely towards the mounting portion 14, the elastic buckle 15 is arranged corresponding to the extension arm 81, and when the extension arm 81 extends into the rotation space 130, the extension arm 81 is positioned at the outer side of the elastic buckle 15 and presses the elastic buckle 15. Specifically, the inner side of the extension arm 81 is provided with a receiving groove 810 for receiving the elastic buckle 15, one end of the elastic buckle 15, which is close to the mounting portion 14, is formed with a guiding portion 151, and the guiding portion 151 is used for guiding the elastic buckle 15 to enter the receiving groove 810.

Preferably, a groove 142 is provided on a side of the mounting portion 14 near the elastic arm 13, and the groove 142 is configured to provide an elastic deformation space for the elastic buckle 15 when the elastic buckle 15 is deformed under a force. The locking member 9 is locked to the wire end body 1 to provide a force opposite to the elastic buckle 15, so that the extension arm 81 extends into the rotation space 130 and is fixed. When the locking member 9 is unscrewed, the unlocking buckle 8 is automatically separated 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 rotation space 130, and the elastic arm 13 can rotate under the action of external force.

In this embodiment, the wire end body 1 is inserted into the inside of the plate end body 2, and a gasket 72 is provided between the wire end body 1 and the plate end body 2. The gasket 72 enables the line-end body 1 to be sealingly connected to the board-end body 2.

In summary, in the board-end communication connector 300 of the present utility model, the elastic contact 3 is assembled in the socket 23 communicating the communication interface 20 and the receiving slot 22, and the plurality of contacts 31 of the elastic contact 3 are further provided with the contact portion 311 extending into the communication interface 20 and the contact portion 312 extending into the receiving slot 22, so that the contact portion 312 can be used to contact the circuit board 4 in the receiving slot 22 to realize electrical connection, and the contact portion 311 is used to realize communication connection. Compared with the prior art, the utility model adopts the mode that the elastic contact piece 3 is abutted with the circuit board 4, so that the structure is simpler, and the cost is saved.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. A board-end communication connector, comprising:

2. The board-end communication connector of claim 1, wherein the plug-in port is formed on a side wall between the communication port and the receiving groove, the contact portion is inserted into the communication port from the plug-in port, and the abutting portion extends into the receiving groove from the plug-in port.

3. The board-side communication connector of claim 2, wherein the socket is provided with a limit groove, and the contact is further provided with a limit protrusion accommodated in the limit groove, so as to limit the elastic contact in the socket.

4. The board-side communication connector according to claim 3, wherein the contact portion is located at one end of the contact piece, and the limit protruding portions are provided at both sides of the abutting portion.

5. The board-side communication connector according to claim 1, wherein a receiving cavity is formed in a side of the connector body facing away from the communication interface, the communication interface and the receiving groove are both communicated with the receiving cavity, and the elastic contact is partially exposed to the receiving cavity.

6. The board-side communication connector of claim 5, further comprising a cover fitted in the accommodating chamber, wherein the cover is provided with a slot communicating with the accommodating groove for accommodating the circuit board.

7. The board-end communication connector of claim 6, wherein the accommodating cavity is further provided with a sealing member, the sealing member is positioned on one side of the gland facing the communication interface, and the sealing member is provided with a avoiding hole for the circuit board to pass through and a radiating hole corresponding to the plug interface.

8. The board-side communication connector according to claim 7, wherein the pressing cover is further provided with a pressing portion on the inner wall of the groove for abutting against the sealing member, so that the sealing member is held in abutment with the elastic contact member to limit the elastic contact member within the insertion port in a depth direction of the communication port.

9. The board-end communication connector of claim 1, wherein a plurality of communication interfaces are provided, the plurality of communication interfaces are arranged in two groups, the two groups are arranged up and down, the accommodating groove is positioned between the two groups of communication interfaces, and the plurality of elastic contact pieces are clamped on two sides of the circuit board.

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