CN213636342U

CN213636342U - Circuit board terminal for multilayer circuit

Info

Publication number: CN213636342U
Application number: CN202022578752.XU
Authority: CN
Inventors: 高伟雄; 冯耀武
Original assignee: Shenzhen Ligan Connector Co ltd
Current assignee: Shenzhen Ligan Connector Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-07-06
Anticipated expiration: 2030-11-10

Abstract

The utility model belongs to the technical field of the circuit board, concretely relates to a circuit board terminal for multilayer circuit, including multilayer circuit board, the upside of multilayer circuit board is connected with the terminal shell, the terminal shell includes upper cover and lower seat, the upper cover is fixedly connected to one side of the lower seat, the inboard of the lower seat is provided with the connection socket, the downside of the connection socket is provided with the buffer seat, one end of the connection socket is connected with the connection pin, one end of the connection pin passes through the terminal shell and is installed in the multilayer circuit board, the inboard of the lower seat is provided with the positioning column; the utility model discloses a connection pin of design, sticis screw, connection socket and reference column, when circuit board terminal is used in the installation, fix a position through the reference column, sticis spacingly to the connection socket through sticising the screw, and connect pin and make the pin piece can hug closely the phenomenon of avoiding appearing contact failure in multilayer circuit board through the elasticity of filling up in the rubber when installing on multilayer circuit board.

Description

Circuit board terminal for multilayer circuit

Technical Field

The utility model relates to a circuit board technical field specifically is a circuit board terminal for multilayer circuit.

Background

Almost all electronic devices that can be seen on the circuit board can not be separated from the circuit board, such as electronic watches, calculators, general computers, and computers, communication electronic devices, military weapon systems, and the circuit board is used for electrical interconnection as long as the electronic devices such as integrated circuits and the like are arranged. In addition to holding various small parts, it provides mechanical support for the secure assembly of various electronic components such as integrated circuits, achieves wiring and electrical connection or electrical isolation between various electronic components such as integrated circuits, and provides desired electrical characteristics such as characteristic impedance. Simultaneously, a solder resist pattern is provided for automatic soldering; and identification characters and graphs are provided for component insertion, inspection and maintenance. As electronic devices become more complex and require more and more parts, the circuit and parts on the top of the circuit board become more and more dense. The circuit board terminal is used as a connecting terminal in the electrical connection of a printed circuit board, and is known in the industry as a circuit board connecting terminal or a circuit board connector, and is an accessory product for realizing electrical connection.

The prior circuit board terminal for multilayer circuit is mounted on the circuit board when in use, and the internal elements of the terminal are unstable to fix, and the phenomenon of shaking damage or poor contact occurs in use or transportation, so that the technical problem needs to be solved by providing the circuit board terminal for multilayer circuit.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circuit board terminal for multilayer circuit has solved current a circuit board terminal for multilayer circuit and has installed on the circuit board when using, can appear that terminal inner member is fixed unstable, rocks the problem of damaging or contact failure in use or transportation appearance.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a circuit board terminal for multilayer circuit, includes multilayer circuit board, the upside of multilayer circuit board is connected with the terminal shell, the terminal shell includes upper cover and lower seat, upper cover fixed connection is in one side of lower seat, the inboard of lower seat is provided with connection socket, connection socket's downside is provided with the cushion socket, connection socket's one end is connected with connection pin, connection pin's one end is passed the terminal shell and is installed in multilayer circuit board, the inboard of lower seat is provided with the reference column, the reference column block is on connection socket, on cover and be provided with the sticis screw, sticis on connection socket by the screw pressure.

Preferably, the connection pin includes pad in pin piece and the rubber, the pin piece is provided with two altogether, and the one end of two pin pieces all connects on connecting socket, the inboard at the pin piece is installed to the pad in the rubber.

Preferably, the outer surface of the connection pin is provided with a protrusion, and the cross section of the protrusion is triangular.

Preferably, the buffer seat includes buffer board, buffer chip A and buffering piece B fixed mounting are in the inboard of lower seat, go up buffer board fixed mounting at buffer chip A's upside, connecting socket sticiss on last buffer board.

Preferably, the cross-sectional shapes of the buffer sheet A and the buffer sheet B are set to be U-shaped, the end parts of the buffer sheet A and the buffer sheet B are supported in a mutually crossed mode, and a buffer spring is arranged at the joint of the buffer sheet A and the buffer sheet B.

Preferably, the end part of the buffer spring, the two sides of the buffer sheet A and the buffer sheet B are respectively provided with an insulating pad.

Preferably, a multilayer circuit is arranged in the multilayer circuit board, and one end of the connecting pin is connected with the multilayer circuit in the multilayer circuit board.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a connection pin of design, sticis screw, connection socket and reference column, when circuit board terminal is used in the installation, fix a position through the reference column, sticis spacingly to the connection socket through sticising the screw, and connect pin and make the pin piece can hug closely the phenomenon of avoiding appearing contact failure in multilayer circuit board through the elasticity of filling up in the rubber when installing on multilayer circuit board.

2. The utility model discloses a buffer seat of design when transportation or installation use terminal, receives vibrations or rocks, can cushion the support through buffer chip A and the buffer chip B on the buffer seat, and can strengthen the buffering effect through buffer spring, avoids connecting socket to appear rocking the phenomenon of damage.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the internal structure of the terminal housing of the present invention;

FIG. 3 is a schematic view of the structure of the buffer seat of the present invention;

fig. 4 is a schematic view of the connection pin structure of the present invention.

In the figure: 1. a multilayer circuit board; 2. a terminal housing; 3. connecting pins; 4. an upper cover; 5. a lower seat; 6. pressing the screw; 7. a connection socket; 8. a buffer seat; 9. a positioning column; 10. an upper buffer plate; 11. a buffer sheet A; 12. a buffer spring; 13. a buffer sheet B; 14. an insulating pad; 15. a lead sheet; 16. and a rubber inner pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, a circuit board terminal for multilayer circuit includes a multilayer circuit board 1, a terminal housing 2 is connected to an upper side of the multilayer circuit board 1, the terminal housing 2 includes an upper cover 4 and a lower seat 5, the upper cover 4 is fixedly connected to one side of the lower seat 5, a connection socket 7 is disposed at an inner side of the lower seat 5, a buffer seat 8 is disposed at a lower side of the connection socket 7, one end of the connection socket 7 is connected with a connection pin 3, one end of the connection pin 3 passes through the terminal housing 2 and is installed in the multilayer circuit board 1, a positioning post 9 is disposed at an inner side of the lower seat 5, the positioning post 9 is clamped on the connection socket 7, a pressing screw 6 is disposed on the upper cover 4, the pressing screw 6 is pressed on, the connecting socket 7 is positioned and clamped through the positioning column 9 and is pressed and fixed through the pressing screw 6, so that the connecting socket 7 is more stable in use.

Referring to fig. 1, 2 and 4, the connection pin 3 includes two pin pieces 15 and an inner rubber pad 16, one end of each of the two pin pieces 15 is connected to the connection socket 7, the inner rubber pad 16 is mounted inside the pin piece 15, and the pin piece 15 can be pushed to be closely attached to a circuit in the multilayer circuit board 1 by the elastic force of the inner rubber pad 16.

Referring to fig. 1-2, the outer surface of the connection pin 3 is provided with a protrusion, and the cross-sectional shape of the protrusion is triangular, so that the limiting function of the connection pin 3 is increased, and the connection pin 3 is more stable when being installed in the multilayer circuit board 1.

Referring to fig. 2-3, the buffer base 8 includes an upper buffer plate 10, a buffer sheet a11 and a buffer sheet B13, the buffer sheet a11 and the buffer sheet B13 are fixedly installed at the inner side of the lower base 5, the upper buffer plate 10 is fixedly installed at the upper side of the buffer sheet a11, and the connection socket 7 is tightly pressed on the upper buffer plate 10, so that the buffer base 8 can better buffer the connection socket 7 when in use.

Referring to fig. 3, the cross-sectional shapes of the buffer sheet a11 and the buffer sheet B13 are U-shaped, the ends of the buffer sheet a11 and the buffer sheet B13 are supported in a cross-supporting manner, and the buffer spring 12 is disposed at the joint between the buffer sheet a11 and the buffer sheet B13, so that the buffer sheet a11 and the buffer sheet B13 can be supported by each other when in use, and the buffer effect is enhanced by the buffer spring 12.

Referring to fig. 3, the end of the buffer spring 12, the buffer sheet a11 and the buffer sheet B13 are provided with insulating pads 14 on both sides thereof, so that the buffer sheet a11, the buffer spring 12 and the buffer sheet B13 can be insulated by the insulating pads 14 when in use.

Referring to fig. 1, a multilayer circuit is disposed in a multilayer circuit board 1, and one end of a connection pin 3 is connected to the multilayer circuit in the multilayer circuit board 1, so that the connection pin 3 can be connected to a plurality of circuits in the multilayer circuit board 1 when in use.

The utility model discloses the concrete implementation process as follows: when using the installation, install the connecting pin 3 of terminal housing 2 one side in multilayer circuit board 1, and with multilayer circuit connection in multilayer circuit board 1, then through connection socket 7 connecting plug, connection socket 7 carries on spacingly through reference column 9 and sticis screw 6 when using, it is more stable when making connection socket 7 install use, and can support the buffering through buffer sheet A11 and buffer sheet B13 when connection socket 7 atress, and the elasticity through buffer spring 12 is better when the buffering, avoid connection socket 7 to appear rocking impaired phenomenon.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A circuit board terminal for a multilayer circuit, comprising a multilayer circuit board (1), a terminal housing (2) being connected to an upper side of the multilayer circuit board (1), characterized in that: terminal shell (2) include upper cover (4) and lower seat (5), one side of upper cover (4) fixed connection lower seat (5), the inboard of lower seat (5) is provided with connect socket (7), the downside of connect socket (7) is provided with buffer seat (8), the one end of connect socket (7) is connected with connection pin (3), the one end of connecting pin (3) is passed terminal shell (2) and is installed in multilayer circuit board (1), the inboard of lower seat (5) is provided with reference column (9), reference column (9) block is on connect socket (7), be provided with on upper cover (4) and sticis screw (6), sticis screw (6) sticis on connect socket (7).

2. A circuit board terminal for a multilayer circuit according to claim 1, wherein: connect pin (3) including pad (16) in pin piece (15) and the rubber, pin piece (15) are provided with two altogether, and the one end of two pin pieces (15) all connects on connection socket (7), the inboard at pin piece (15) is installed in pad (16) in the rubber.

3. A circuit board terminal for a multilayer circuit according to claim 1, wherein: the outer surface of the connecting pin (3) is provided with a bulge, and the cross section of the bulge is triangular.

4. A circuit board terminal for a multilayer circuit according to claim 1, wherein: buffer seat (8) are including buffer board (10), buffer chip A (11) and buffering piece B (13) fixed mounting are in the inboard of lower seat (5), go up the upside of buffer board (10) fixed mounting at buffer chip A (11), connecting socket (7) sticiss on last buffer board (10).

5. A circuit board terminal for a multilayer circuit according to claim 4, wherein: the cross-sectional shapes of the buffer piece A (11) and the buffer piece B (13) are set to be U-shaped, the end parts of the buffer piece A (11) and the buffer piece B (13) are supported in an intersecting mode, and a buffer spring (12) is arranged at the joint of the buffer piece A (11) and the buffer piece B (13).

6. A circuit board terminal for a multilayer circuit according to claim 5, wherein: and insulating pads (14) are arranged at the end part of the buffer spring (12), on the two sides of the buffer sheet A (11) and on the two sides of the buffer sheet B (13).

7. A circuit board terminal for a multilayer circuit according to claim 1, wherein: and a multilayer circuit is arranged in the multilayer circuit board (1), and one end of the connecting pin (3) is connected with the multilayer circuit in the multilayer circuit board (1).