TW202017257A - Terminal base including an insulating base body arranged on the top of a circuit board and a plurality of conductive pins - Google Patents

Abstract

This invention provides a terminal base including an insulating base body arranged on the top of a circuit board and a plurality of conductive pins fixedly arranged by penetrating the insulating base body at intervals. Each of the conductive pins is provided with an external connection section protruding out of the insulating base body and a fixed section embedded and fixedly arranged in the insulating base body, and the fixed section is provided with a straight rod part and a raised clamping part transversely and outwards protruding from the straight rod part or a bent rod part transversely and outwards bent relative to the straight rod part. By virtue of the structural design of the raised clamping parts or the bent rod parts of the conductive pins, the resistance that the conductive pins displace relative to the insulating base body in the length direction of the conductive pins may be greatly increased, and the bonding strength between each of the conductive pins and the insulating base body may be improved, so that the conductive pins are not easy to pull to be loosened.

Description

Terminal Block

The invention relates to a terminal block, in particular to a terminal block which is arranged on a circuit board for other electronic parts to be electrically connected and assembled.

Many electronic parts are provided on the circuit board device of many electronic products. In order to make these electronic parts easy to install and disassemble, usually many terminal blocks are electrically connected on the circuit board before connecting these electronic parts. Set on the terminal blocks. At present, the structure of this type of terminal base generally includes a cylindrical or L-shaped insulating base body, and a plurality of conductive pins standing upright through the fixed base body.

These conductive pins are designed as straight rods. Since the conductive pins do not have any structural design to be inserted into the insulating base in the lateral direction, when the terminal base is provided on the circuit board and an electronic component is inserted, It is easy to cause the conductive pins to loosen from the insulating seat body due to the axial pulling caused by the repeated insertion and removal of the electronic parts, which may swing or axially displace relative to the insulating seat body, or even cause the entire terminal seat to detach from the circuit board .

Therefore, the object of the present invention is to provide a terminal block capable of improving at least one of the disadvantages of the prior art.

Therefore, the terminal block of the present invention is suitable for being mounted on a circuit board. The terminal base includes an insulating base body disposed on the top surface of the circuit board, and a plurality of conductive pins that are spaced apart and fixed to the insulating base body. Each conductive pin has an outer segment protruding out of the body of the insulating seat, and a fixing segment embedded and fixed in the insulating seat body, the fixing segment has a straight rod portion, and at least one straight rod minister A convex card portion protruding laterally outward.

Therefore, the terminal block of the present invention is suitable for being mounted on a circuit board. The terminal base includes an insulating base body disposed on the top surface of the circuit board, and a plurality of conductive pins that are spaced apart and fixed to the insulating base body. Each conductive pin has an outer section protruding out of the outer body of the insulating seat, and a fixing section embedded and fixed in the insulating seat body, the fixing section has at least one straight rod portion, and one opposite to the straight rod portion A zigzag rod that zigzags laterally outward.

The effect of the present invention is that through the structural design of the convex locking portion or the zigzag rod portion of the conductive pin, the resistance of the conductive pin to displacement relative to the insulating base in the long direction can be greatly improved, and the bonding strength between the conductive pin and the insulating base can be improved. The conductive pins are not easily pulled and loosened.

The present invention will be further described in terms of the following embodiments, but it should be understood that these embodiments are for illustrative purposes only, and should not be construed as limitations on the implementation of the present invention, and similar elements It is represented by the same number.

Referring to FIGS. 1, 2, and 3, the first embodiment of the terminal block 200 of the present invention is suitable for being mounted on a circuit board 900, and can be used to electrically connect an electronic component (not shown). The circuit board 900 is provided with a plurality of conductive insertion holes 901, a plurality of positioning holes 902 and a plurality of snap holes 903 for the terminal block 200 to be inserted into.

The terminal base 200 includes an insulating base 3, and two conductive pins 4 of conductive material fixed through the insulating base 3 at right and left intervals. For convenience of description, the following is defined as the left-right direction of the terminal base 200 in FIG. 3, and the front-back direction of the terminal base 200 is defined accordingly.

The insulating seat body 3 has a seat body portion 31 and two positioning pillar portions 32 protruding from the bottom surface of the seat body portion 31.

The seat body 31 has a horizontal plate-shaped base section 311, and a protruding section 312 protruding upward from the top surface of the base section 311. The width of the left and right sides of the protruding section 312 is the same as that of the base section 311 The width of the left and right sides is equal, and the width of the front and rear sides of the protrusion section 312 is smaller than the width of the front and rear sides of the base section 311. In another embodiment of the present invention, the left and right sides of the protrusion section 312 can also be The width of the front and rear sides is designed to be smaller than the base section 311. Since there are many types of structures of the seat body portion 31, the shape of the seat body portion 31 is not limited to this during implementation.

The positioning pillar portion 32 protrudes downward from the bottom surface of the base segment 311, and can be inserted into the corresponding positioning hole 902 of the circuit board 900 in the past.

Each conductive pin 44 extends up and down through the seat body 31, has a fixing section 43 embedded and fixed in the seat body section 31, and a top surface protruding upward from the top surface of the protruding section 312 and used for An external connecting section 42 electrically connected to the electronic component, and a connecting section 41 protruding downward from the bottom surface of the base section 311 and used to be inserted into the corresponding conductive jack 901 of the circuit board 900.

The fixing section 43 has a straight rod portion 431 extending up and down, and a plurality of geometric sheet-shaped convex locking portions 432 protruding laterally outward from the straight rod portion 431 in an up-and-down arrangement. In this embodiment, the straight rod portion 431 has two long sides opposite to each other, and the convex locking portions 432 are laterally and protrudingly provided on the long sides with a left-right displacement. However, when implemented, In other embodiments, the convex locking portions 432 may protrude symmetrically on the long sides. In addition, the geometric lamellae may be semicircular, or polygonal such as triangles and rectangular lines.

Through the structural design of the protruding protruding portions 432 protruding through the conductive pins 4, the protruding portions 432 can be utilized when the fixing sections 43 of the conductive prongs 4 are covered and fixed by the base portion 31 The bonding strength between the conductive pins 4 and the insulating base 3 is increased, and thus the resistance of the conductive pins 4 to displacement relative to the insulating base 3 in the longitudinal direction is increased, so that the conductive pins 4 are not easily pulled and loosened.

In addition, during the implementation, the structure design of the plate-shaped base segment 311 of the insulating base 3 and the structural design of the positioning post portions 32 can be used to improve the entire terminal base 200 disposed on the circuit board 900 The degree of stability enables the terminal base 200 to stand stably without being tipped or skewed when the circuit board 900 is transferred through a tin furnace for soldering, which helps improve processing quality.

In the first embodiment, each conductive pin 4 is provided with the plug section 41, but when implemented, in another embodiment of the present invention, the conductive pin 4 may not be provided with the plug section 41, In other words, when the terminal block 200 is mounted on the circuit board 900, it will not be electrically connected to the circuit board 900. Furthermore, during implementation, the number of conductive pins 4 can be increased or decreased according to demand.

4, 5 and 6, the difference between the second embodiment of the terminal block 200 of the present invention and the first embodiment lies in the structural design of the insulating base 3 and the structural design of the conductive pins 4. For convenience of description, the following will describe only the differences between the second embodiment and the first embodiment.

In the second embodiment, the circuit board 900 is further provided with a plurality of locking holes 903. The insulating seat body 3 has a seat body portion 31, and a positioning pillar portion 32 and two catching portions 33 projecting from the bottom surface of the seat body portion 31 at intervals. Each buckle portion 33 protrudes downward from the base section 311 of the seat body portion 31 and is in the shape of a barb, which can be inserted through the buckle hole 903 of the circuit board 900 and the hook is positioned on the The bottom surface of the circuit board 900.

The fixing section 43 of each conductive pin 4 has two straight rod portions 431 extending vertically and spaced up and down, and a zigzag rod portion connected between the straight rod portions 431 and zigzag laterally outward with respect to the straight rod portions 431 433. In this embodiment, the zigzag rod portion 433 is V-shaped, but in practice, in other embodiments of the present invention, the zigzag rod portion 433 may also be designed as a U-shape or a zigzag shape continuously bent, And not limited to the above types.

Through the structural design of the zigzag rod portions 433 of the conductive pins 4, the displacement resistance of the conductive pins 4 relative to the insulating base 3 in its long direction can also be increased, and it is not easy to be pulled away from the insulating base 3 .

During implementation, in another embodiment of the present invention, the fixing section 43 of each conductive pin 4 may also be provided with only a straight rod portion 431 and a meandering rod portion 433, which can also improve the conductive pin 4 relative to the The displacement resistance of the insulating base 3 in the long direction.

In summary, through the structural design of the convex locking portions 432 or the zigzag rod portions 433 of each conductive pin 4, the resistance of the conductive pin 4 to displacement relative to the insulating base 3 in its longitudinal direction can be greatly increased, and The bonding strength between the conductive pin 4 and the insulating base 3 is improved, so that the conductive pin 4 is not easily pulled and loosened. In addition, the structural design of the plate-shaped base segment 311 of the seat body 31 and the design of the positioning column portion 32 and the latching portions 33 can be further adapted to improve the entire terminal seat 200 to be installed on the circuit board 900 Stability. Therefore, the purpose of cost invention can indeed be achieved.

However, the above are only examples of the present invention, and should not be used to limit the scope of the present invention. Any simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the content of the patent specification are still classified as This invention covers the patent.

200: Terminal block 3: Insulating seat body 31: Seat body part 311: Base section 312: Projection section 32: Positioning column section 33: Buckle section 4: Conductive pin 41: Plug section 42: External section 43: Fixed section 431: Straight rod part 432: Protruding card part 433: Zigzag rod part 900: Circuit board 901: Conductive jack 902: Positioning hole 903: Snap hole

Other features and functions of the present invention will be clearly presented in the embodiments referring to the drawings, in which: FIG. 1 is an exploded perspective view of a first embodiment of the terminal block of the present invention when mounted on a circuit board; FIG. 2 Is a perspective view of the first embodiment; FIG. 3 is a cross-sectional view of the first embodiment; FIG. 4 is a perspective view of a second embodiment of the terminal block of the present invention when mounted on a circuit board; FIG. 5 is a perspective view of the A perspective view of the second embodiment; and FIG. 6 is a cross-sectional view of the second embodiment.

200: terminal block

31: seat body

311: Base section

312: protrusion

32: Positioning column

4: conductive pins

41: Plug section

42: External section

43: fixed segment

431: Straight rod

432: convex card

Claims (20)

A terminal block, suitable for installation on a circuit board, and comprising: an insulating seat body, which is arranged on the top surface of the circuit board; and a plurality of conductive pins, fixed through the insulating seat body at intervals, each conductive The pin has an outer section protruding out of the outer body of the insulating seat, and a fixing section embedded and fixed in the insulating seat body, the fixing section has a straight rod portion, and at least one is laterally from the long side of the straight rod A convex card portion protruding outward. The terminal block according to claim 1, wherein each conductive pin has a plurality of convex locking portions arranged along the direction of the straight rod. The terminal block according to claim 2, wherein each straight rod portion has two long sides opposite to each other, and the convex locking portions are protrudingly provided on the long sides of the respective straight rod portions. The terminal block according to 2 or 3, wherein each of the convex locking portions protrudes laterally outward from the respective straight rod portions in a geometric piece shape. The terminal block according to 2 or 3, wherein the insulating base has a base part for embedding and fixing the conductive pins and is arranged on the top surface of the circuit board, and at least one protrudes outward from the base part And it is used for inserting and positioning the positioning column part of the circuit board. The terminal block according to claim 5, wherein the insulating base body has a plurality of positioning post portions protruding outward from the base body portion at intervals. The terminal block according to claim 5, wherein the insulating base body further has at least one latching portion protruding outward from the base body portion, and used for being inserted into the circuit board and hooked and positioned on the bottom surface of the circuit board . The terminal block according to claim 7, wherein the insulating base body has a plurality of latching portions protruding outward from the base body portion at intervals. The terminal block according to 2 or 3, wherein the insulating base has a base part for embedding and fixing the conductive pins and is arranged on the top surface of the circuit board, and at least one protrudes outward from the base part And it is used for inserting into the circuit board and hooking and positioning the buckle part on the bottom surface of the circuit board. The terminal block according to claim 7, wherein each conductive pin further has a plug-in section protruding downward from the base body and used for electrically connecting to the circuit board, and the fixed section is connected Between the external connection section and the plug-in section. The terminal block according to claim 10, wherein the base body has a horizontal plate-shaped base section, and a protruding section protruding upward from the top surface of the base section, the left and right sides of the protruding section are The width of at least one of the front and rear sides is smaller than the width of the corresponding side of the base section. A terminal block, suitable for installation on a circuit board, and comprising: an insulating seat body, which is arranged on the top surface of the circuit board; and a plurality of conductive pins, fixed through the insulating seat body at intervals, each conductive The pin has an outer section protruding out of the insulating seat body, and a fixing section embedded and fixed in the insulating seat body, the fixing section has at least one straight rod portion, and a zigzag laterally outward with respect to the straight rod portion Of the zigzag rod. The terminal block according to claim 12, wherein each fixing section has two straight rod portions spaced apart, and the zigzag rod portion is connected between the straight rod portions. The terminal block according to claim 12 or 13, wherein the insulating base body has a base body portion for embedding and fixing the conductive pins and arranged on the top surface of the circuit board, and at least one base body portion It protrudes outward and is inserted and positioned on the positioning post portion of the circuit board in the past. The terminal block according to claim 14, wherein the insulating base body has a plurality of positioning post portions protruding outward from the base body portion at intervals. The terminal block according to claim 14, wherein the insulating base body further has at least one buckle that protrudes outward from the base body portion and is inserted through the circuit board under the past to hook and locate on the bottom surface of the circuit board unit. The terminal block according to claim 16, wherein the insulating base body has a plurality of latching portions protruding outward from the base body portion at intervals. The terminal block according to claim 12 or 13, wherein the insulating base body has a base body portion for embedding and fixing the conductive pins and arranged on the top surface of the circuit board, and at least one base body portion A buckle portion protruding outward and used for being inserted into the circuit board and hooked and positioned on the bottom surface of the circuit board. The terminal block according to claim 18, wherein each conductive pin further has a plug-in section protruding downward from the base body and used for electrically connecting to the circuit board, and the fixed section is connected Between the external connection section and the plug-in section. The terminal block according to claim 19, wherein the base body has a horizontal plate-shaped base section, and a protruding section protruding upward from the top surface of the base section, the left and right sides of the protruding section are The width of at least one of the front and rear sides is smaller than the width of the corresponding side of the base section.

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