CN114899659A

CN114899659A - Fine-pitch plate-to-plate connector for high current

Info

Publication number: CN114899659A
Application number: CN202210481374.4A
Authority: CN
Inventors: 李建胜; 钟欣宏; 冯奎; 孙振培
Original assignee: Atom Corp
Current assignee: Atom Corp
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-08-12

Abstract

The invention discloses a large-current fine-spacing plate-to-plate connector which comprises a male terminal and a female terminal, wherein the male terminal comprises a contact pin, a slot is formed in the top surface of the female terminal, an attraction block is fixedly connected to the bottom of the contact pin, an electromagnet for attracting the attraction block is fixedly connected to the bottom surface of the slot, a first sliding groove is formed in the inner wall of the slot, a trigger mechanism is arranged in the first sliding groove and comprises a sliding block which is arranged in the first sliding groove in a sliding mode, a power supply is fixedly connected to the side wall, away from the contact pin, of the first sliding groove, the electromagnet is fixedly connected to the bottom wall of the slot, a trigger stator is embedded in the inner wall of the first sliding groove, and a trigger rotor which is separated from the trigger stator after the sliding block slides into the first sliding groove is embedded in the side face of the sliding block. This application has the operating procedure who reduces the staff, improves the effect of the convenience that the connector is connected.

Description

Fine-pitch plate-to-plate connector for high current

Technical Field

The invention relates to the field of connectors, in particular to a high-current fine-pitch plate-to-plate connector.

Background

Board-to-board generally means that a PCB is parallel or at an angle to another PCB. A board-to-board connector is a connector with a plurality of terminals, usually comprising a plurality of elastic terminals and plastic, wherein the male terminals and the female terminals are matched when plugged into each other, and can be arranged in a matrix from a single core or multiple cores, and mounted on a plastic housing to form a complete connector.

In the related art, the chinese utility model patent with the publication number CN213340807U discloses a novel board-to-board automatic centering high-current connector, which comprises a first plastic insulator and a high-current female terminal, wherein a first through hole is formed in the first plastic insulator, a high-current male terminal is disposed in the first through hole, the high-current male terminal comprises a base body, a first mounting groove, an axial spring finger and a pin, the lower surface of the base body is provided with the first mounting groove, an axial spring finger is disposed in the first mounting groove, the pin is disposed under the axial spring finger, a second plastic insulator is connected under the first plastic insulator, a second through hole is formed in the second plastic insulator, the female terminal is disposed in the high-current through hole, and the high-current female terminal comprises a jack body, a second mounting groove and a radial spring finger, the inner wall of the jack body is provided with a second mounting groove, and a radial spring contact finger is arranged inside the second mounting groove.

To the above-mentioned correlation technique, when the contact pin on the male terminal was aligned with the slot on the female terminal, still need the staff to receive and be close to two PCB boards each other usually to make the contact pin insert and locate in the slot, increased staff's operating procedure, reduced the convenience that the connector is connected.

Disclosure of Invention

In order to reduce staff's operating procedure, improve the convenience that the connector is connected, this application provides a thin interval board of heavy current to board connector.

The application provides a thin interval board to board connector of heavy current adopts following technical scheme:

the utility model provides a thin interval board to board connector of heavy current, includes male terminal and female terminal, the male terminal includes the contact pin, the slot has been seted up on the top surface of female terminal, the bottom fixedly connected with of contact pin attracts the piece, fixedly connected with is used for attracting on the bottom surface of slot the electro-magnet of attracting the piece.

Through adopting above-mentioned technical scheme, attract a fixed connection in the bottom of contact pin, attract a fixed connection in the bottom of slot, when contact pin and slot are neat mutually, the electro-magnet can attract and attract the piece to make attract the piece to drive the contact pin and insert in the slot, reduced staff's operating procedure, improved the convenience that the connector is connected.

Preferably, the inner wall of the slot is provided with a first sliding groove, a trigger mechanism is arranged in the first sliding groove, the trigger mechanism comprises a sliding block which is arranged in a first sliding groove in a sliding way, the side wall of the first sliding groove far away from the contact pin is fixedly connected with a power supply, the electromagnet is fixedly connected to the bottom wall of the slot, a triggering fixed sheet is embedded on the inner wall of the first sliding groove, a trigger moving piece which is embedded on the side surface of the sliding block and is separated from the trigger fixed piece after the sliding block slides to the first sliding groove, the triggering stator is electrically connected with one pole of the power supply, the other pole of the power supply is electrically connected with one pole of the electromagnet, the other pole of the electromagnet is electrically connected with the trigger moving piece, one end, far away from the power supply, of the sliding block is provided with a first inclined plane, and the first inclined plane is located at the top of the sliding block.

Through adopting above-mentioned technical scheme, after the contact pin inserted the slot, the sliding block slided to first sliding tray through the conflict effect of first inclined plane and contact pin, made trigger the stator and break away from mutually with triggering the rotor to make the contact pin insert the slot in the back, the electric circuit automatic disconnection of electro-magnet, the electric power of power is saved.

Preferably, a first limiting groove is formed in the inner wall of the first sliding groove, a first limiting block is fixedly connected to the side face of the sliding block, and the first limiting block is arranged in the first limiting groove in a sliding mode.

Through adopting above-mentioned technical scheme, on first stopper fixed connection and the sliding block, first stopper slides and sets up in first spacing inslot to hinder first sliding block and break away from the sliding tray, make the sliding block can be more stable slide in first sliding tray.

Preferably, a first spring is arranged in the first sliding groove, one end of the first spring abuts against the side wall, away from the contact pin, of the first sliding groove, and the other end of the first spring abuts against the sliding block.

Through adopting above-mentioned technical scheme, when the contact pin was not inserted in the slot, under the elastic force effect of first spring, the one end that makes first inclined plane place on the sliding block can keep in the slot, makes simultaneously to trigger the movable plate and keeps contacting with triggering the stator, when making the contact pin not inserted in the slot, the electric circuit of electro-magnet keeps in the on-state.

Preferably, a damping rod is arranged in the first limiting groove, one end of the damping rod is fixedly connected to the side wall, away from the contact pin, of the first limiting groove, and the other end of the damping rod is fixedly connected to the side face, away from the contact pin, of the first limiting block.

Through adopting above-mentioned technical scheme, when the contact pin was extracted from the slot, under the damping action of damping lever and the spring action of first spring, the sliding block can slide outside first sliding tray slowly, makes the contact pin break away from the slot completely after, triggers the stator and just in triggering the rotor department of meeting to when having reduced the contact pin and not having broken away from the slot completely, the electric circuit of electro-magnet just is switched on, hinders the condition emergence that contact pin and slot break away from mutually.

Preferably, a second sliding groove is further formed in the side wall of the slot, a clamping mechanism is arranged in the second sliding groove and comprises a movable pin which is arranged in the second sliding groove in a sliding mode, a clamping groove is formed in the side face of the contact pin, and one end of the movable pin is inserted into the clamping groove.

Through adopting above-mentioned technical scheme, the side of contact pin is seted up in the joint groove, and the second sliding tray is seted up on the lateral wall of slot, and the removable pin slides and sets up in the second sliding tray, and the one end of removable pin is inserted and is located the joint inslot to after the contact pin is inserted and is located the slot, hinder the contact pin and break away from the slot, thereby make the connection of male terminal and female terminal more firm.

Preferably, a second limiting groove is formed in the inner wall of the second sliding groove, a second limiting block is fixedly connected to the side face of the movable pin, and the second limiting block is arranged in the second limiting groove in a sliding mode.

Through adopting above-mentioned technical scheme, second stopper fixed connection is on the movable pin, and the second spacing groove is seted up on the inner wall of second sliding tray, and the second stopper slides and sets up in the second spacing inslot, hinders the movable pin and breaks away from the second sliding tray to make the movable pin can be more stable slide in the second sliding tray, improved clamping mechanism's steadiness.

Preferably, a second spring is arranged in the second sliding groove, one end of the second spring abuts against the side wall, away from the contact pin, of the second sliding groove, the other end of the second spring abuts against the movable pin, a second inclined plane is arranged on the top surface of the movable pin, and the second inclined plane is located at one end, away from the second spring, of the movable pin.

Through adopting above-mentioned technical scheme, the second inclined plane sets up in the one end that the second spring was kept away from to the removable pin, and when the contact pin was inconsistent with the second inclined plane, along with the contact pin continues to insert in the slot, the contact pin can slide to the second sliding tray to when the removable pin was neat mutually with the joint groove, under the elastic force effect of second spring, the removable pin can insert the joint inslot automatically.

Preferably, the bottom surface of the contact pin is provided with a third inclined surface, and the top of the inner peripheral surface of the slot is provided with a fourth inclined surface.

Through adopting above-mentioned technical scheme, the third inclined plane is seted up on the bottom surface of contact pin, and the fourth inclined plane is seted up at the top of slot inner peripheral surface to be convenient for the contact pin to insert and locate in the slot.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the attraction block is fixedly connected to the bottom of the contact pin, the attraction block is fixedly connected to the bottom of the slot, and when the contact pin is flush with the slot, the electromagnet can attract the attraction block, so that the attraction block drives the contact pin to be inserted into the slot, operation steps of workers are reduced, and convenience in connection of the connector is improved;

2. when the contact pin is inserted into the slot, the sliding block slides into the first sliding groove through the abutting action of the first inclined surface and the contact pin, so that the triggering fixed piece is separated from the triggering movable piece, and the electric loop of the electromagnet is automatically disconnected after the contact pin is inserted into the slot, thereby saving the electric power of a power supply;

3. when the contact pin was extracted from the slot, under the damping action of damping lever and the spring action of first spring, the sliding block can slide outside first sliding tray slowly, makes the contact pin break away from the slot completely after, triggers the stator and just in triggering the rotor department of meeting to when having reduced the contact pin and not having broken away from the slot completely, the electric circuit of electro-magnet just is switched on, hinders the condition emergence that contact pin and slot break away from mutually.

Drawings

Fig. 1 is a schematic view of the overall structure of a board-to-board connector in the embodiment of the present application.

Fig. 2 is a sectional view of a board-to-board connector in the embodiment of the present application.

Fig. 3 is a sectional view at a in fig. 2.

Fig. 4 is a partially enlarged view at B in fig. 2.

Description of reference numerals:

1. a male terminal; 11. inserting a pin; 111. a clamping groove; 112. a third inclined plane; 2. a female terminal; 21. a slot; 211. a first sliding groove; 212. a first limit groove; 213. a second sliding groove; 214. a second limit groove; 215. a fourth slope; 3. a trigger mechanism; 31. a slider; 311. a first inclined plane; 32. a power source; 33. triggering the stator plate; 34. triggering the movable plate; 35. a first stopper; 36. a first spring; 37. a damping lever; 4. a clamping mechanism; 41. a movable pin; 411. a second inclined surface; 42. a second limiting block; 43. a second spring; 5. an attraction block; 6. an electromagnet; 7. and (7) a PCB board.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses fine-pitch plate-to-plate connector of large current. Referring to fig. 1 and 2, the board is provided with 3 to the board connector and is located between two PCB boards 7, and two PCB boards 7 are the rectangular board that the level set up, and two PCB boards 7 set up from top to bottom, and 3 individual boards are to board connector along PCB's length direction evenly distributed, and the board includes public terminal 1 to the board connector, female terminal 2, trigger mechanism 3 and latch mechanism 4, and public terminal 1 is fixed in on the bottom surface of the PCB board 7 of top, and female terminal 2 is fixed in on the top surface of below PCB board 7. The male terminal 1 includes a pin 11, and a slot 21 is opened on the top surface of the female terminal 2.

Referring to fig. 1 and 2, the bottom end surface of the pin 11 is formed with a third inclined surface 112, and the top of the inner circumferential surface of the socket 21 is formed with a fourth inclined surface 215. The bottom end face of the contact pin 11 is fixedly connected with an iron attraction block 5, and the bottom wall of the slot 21 is fixedly connected with an electromagnet 6.

Referring to fig. 2 and 3, a first sliding groove 211 is formed in an inner circumferential surface of the slot 21, the trigger mechanism 3 is disposed in the first sliding groove 211, and the trigger mechanism 3 includes a sliding block 31, a power source 32, a trigger stator 33, a trigger rotor 34, a first stopper 35, a first spring 36, and a damping rod 37. The power source 32 is fixedly connected to the side wall of the first sliding groove 211 far from the contact pin 11, the sliding block 31 is slidably disposed in the first sliding groove 211, one end of the sliding block 31 far from the power source 32 is provided with a first inclined surface 311, the first inclined surface 311 is located at the top of the sliding block 31, the trigger stator 33 is embedded on the side wall of the bottom of the first sliding groove 211, and the trigger rotor 34 is embedded on the bottom surface of the sliding block 31.

Referring to fig. 2 and 3, the trigger stator 33 is electrically connected to one of the poles of the power source 32, the other pole of the power source 32 is electrically connected to one of the poles of the electromagnet 6, and the other pole of the electromagnet 6 is electrically connected to the trigger rotor 34.

Referring to fig. 2 and 3, a first limiting groove 212 is formed on the top wall of the first sliding groove 211, the length direction of the first limiting groove 212 is parallel to the forming direction of the first sliding groove 211, the first limiting block 35 is fixedly connected to the top surface of the sliding block 31, and the first limiting block 35 is slidably disposed in the first limiting groove 212. The first spring 36 is disposed in the first sliding groove 211, one end of the first spring 36 abuts against the side wall of the first sliding groove 211 away from the pin 11, and the other end of the first spring 36 abuts against the sliding block 31. The damping rod 37 is horizontally arranged in the first limiting groove 212, the length direction of the damping rod 37 is parallel to the opening direction of the first sliding groove 211, one end of the damping rod 37 is fixedly connected to the side wall of the first limiting groove 212 far away from the contact pin 11, and the other end of the damping rod 37 is fixedly connected to the side face of the first limiting block 35 far away from the contact pin 11.

Referring to fig. 2 and 4, a second sliding groove 213 is further formed in the side wall of the slot 21, the latch mechanism 4 is disposed in the second sliding groove 213, and the latch mechanism 4 includes a movable pin 41, a second limit block 42, and a second spring 43. The movable pin 41 is slidably disposed in the second sliding groove 213, the side surface of the contact pin 11 is provided with a clamping groove 111, one end of the movable pin 41 is inserted into the clamping groove 111, two second inclined planes 411 are disposed on the end surface of the movable pin 41 close to the contact pin 11, and the two second inclined planes 411 are respectively located at the top and the bottom of the movable pin 41.

Referring to fig. 2 and 4, a second limiting groove 214 is formed in an inner wall of the second sliding groove 213, a length direction of the second limiting groove 214 is parallel to a forming direction of the second sliding groove 213, the second limiting block 42 is fixedly connected and welded to a side surface of the movable pin 41, and the second limiting block 42 is slidably disposed in the second limiting groove 214. The second spring 43 is horizontally disposed in the second sliding groove 213, one end of the second spring 43 abuts against the sidewall of the second sliding groove 213 away from the pin 11, and the other end of the second spring 43 abuts against the movable pin 41.

The implementation principle of the fine-pitch plate-to-plate connector for large current in the embodiment of the application is as follows: when the pin 11 is flush with the slot 21, the electromagnet 6 generates attraction force on the attraction block 5, so that the attraction block 5 drives the pin 11 to be inserted into the slot 21, the operation steps of workers are reduced, and the connection convenience of the connector is improved. When the pin 11 is inserted into the slot 21, the sliding block 31 slides into the first sliding groove 211 through the interference action between the first inclined surface 311 and the pin 11, so that the trigger stator 33 is separated from the trigger rotor 34, and the electric circuit of the electromagnet 6 is automatically disconnected after the pin 11 is inserted into the slot 21, thereby saving the power of the power supply 32. When the pin 11 is pulled out from the slot 21, under the damping action of the damping rod 37 and the elastic force of the first spring 36, the sliding block 31 can slowly slide out of the first sliding groove 211, so that the pin 11 is completely separated from the slot 21, and the trigger stator 33 is connected with the trigger stator 34, thereby reducing the occurrence of the situation that the pin 11 is not completely separated from the slot 21, the electric circuit of the electromagnet 6 is conducted, and the separation of the pin 11 from the slot 21 is blocked.

When the inserting pin 11 is inserted into the inserting slot 21, one end of the movable pin 41 is inserted into the clamping groove 111, so that after the inserting pin 11 is inserted into the inserting slot 21, the inserting pin 11 is prevented from being separated from the inserting slot 21, and the connection between the male terminal 1 and the female terminal 2 is more stable.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a fine pitch board of heavy current is to board connector, includes male terminal (1) and female terminal (2), male terminal (1) includes contact pin (11), slot (21), its characterized in that have been seted up on the top surface of female terminal (2): the bottom of the inserting needle (11) is fixedly connected with an attraction block (5), and the bottom surface of the inserting groove (21) is fixedly connected with an electromagnet (6) used for attracting the attraction block (5).

2. A high current, fine pitch board-to-board connector as claimed in claim 1, wherein: the inner wall of the slot (21) is provided with a first sliding groove (211), the first sliding groove (211) is internally provided with a trigger mechanism (3), the trigger mechanism (3) comprises a sliding block (31) which is arranged in the first sliding groove (211) in a sliding manner, the side wall of the first sliding groove (211) far away from the contact pin (11) is fixedly connected with a power supply (32), the electromagnet (6) is fixedly connected to the bottom wall of the slot (21), the inner wall of the first sliding groove (211) is embedded with a trigger stator (33), the side surface of the sliding block (31) is embedded with a trigger rotor (34) which is sliding towards the first sliding groove (211) and then separated from the trigger stator (33), the trigger stator (33) is electrically connected with one of the poles of the power supply (32), the other pole of the power supply (32) is electrically connected with one of the poles of the electromagnet (6), the other pole of the electromagnet (6) is electrically connected with the trigger moving piece (34), one end, far away from the power supply (32), of the sliding block (31) is provided with a first inclined plane (311), and the first inclined plane (311) is located at the top of the sliding block (31).

3. A high current, fine pitch board-to-board connector as claimed in claim 2, wherein: first spacing groove (212) have been seted up on the inner wall of first sliding tray (211), first stopper (35) of fixedly connected with on the side of sliding block (31), first stopper (35) slide set up in first spacing groove (212).

4. A high current, fine pitch board-to-board connector as claimed in claim 3, wherein: be provided with first spring (36) in first sliding tray (211), the one end of first spring (36) is contradicted in first sliding tray (211) is kept away from on the lateral wall of contact pin (11), the other end of first spring (36) is contradicted in on sliding block (31).

5. A high current, fine pitch board-to-board connector as claimed in claim 4, wherein: be provided with damping lever (37) in first spacing groove (212), the one end fixed connection of damping lever (37) in first spacing groove (212) is kept away from on the lateral wall of contact pin (11), the other end fixed connection of damping lever (37) in first spacing block (35) are kept away from on the side of contact pin (11).

6. A high current, fine pitch board-to-board connector as claimed in claim 1, wherein: still seted up second sliding tray (213) on the lateral wall of slot (21), be provided with latch mechanism (4) in second sliding tray (213), latch mechanism (4) including slide set up in activity round pin (41) in second sliding tray (213), joint groove (111) have been seted up to the side of contact pin (11), the one end of activity round pin (41) is inserted and is located in joint groove (111).

7. A high current, fine pitch board-to-board connector as claimed in claim 6, wherein: a second limiting groove (214) is formed in the inner wall of the second sliding groove (213), a second limiting block (42) is fixedly connected to the side face of the movable pin (41), and the second limiting block (42) is arranged in the second limiting groove (214) in a sliding mode.

8. A high current, fine pitch board-to-board connector as claimed in claim 7, wherein: be provided with second spring (43) in second sliding tray (213), the one end of second spring (43) contradict in second sliding tray (213) is kept away from on the lateral wall of contact pin (11), the other end of second spring (43) contradict in on the activity round pin (41), be provided with second inclined plane (411) on the top surface of activity round pin (41), second inclined plane (411) are located activity round pin (41) are kept away from the one end of second spring (43).

9. A high current, fine pitch board-to-board connector as claimed in claim 1, wherein: the bottom surface of the pin (11) is provided with a third inclined surface (112), and the top of the inner circumferential surface of the slot (21) is provided with a fourth inclined surface (215).