CN218975818U - Binding post that PCB board was used - Google Patents
Binding post that PCB board was used Download PDFInfo
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- CN218975818U CN218975818U CN202222865537.7U CN202222865537U CN218975818U CN 218975818 U CN218975818 U CN 218975818U CN 202222865537 U CN202222865537 U CN 202222865537U CN 218975818 U CN218975818 U CN 218975818U
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- side plate
- pcb
- wiring
- terminal
- wiring part
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Abstract
The utility model discloses a wiring terminal for a PCB, which comprises a wiring terminal and a connecting part, wherein the wiring terminal comprises a plug-in part and a wiring part; the plug-in part is used for connecting the PCB, and the wiring part is used for connecting with the electric wire; the surface of the wiring part is provided with a threaded hole, the threaded hole is matched with a bolt for connecting and fixing a wire, the thickness of the wiring part is at least greater than two screw pitches (2 circles of effective matching threads), the plugging part and the wiring part are prepared by calendaring the same plate, wherein the thickness of the plugging part is smaller than that of the wire pressing part and meets the installation requirement of a customer; the utility model has simple structure, low processing cost and high thread strength.
Description
Technical Field
The utility model relates to a wiring terminal for a PCB.
Background
Almost all electronic devices which can be seen by the PCB are separated from the PCB, and the PCB is used for electric interconnection between electronic watches, calculators and general-purpose computers, communication electronic devices and military weapon systems as long as the PCB is provided with electronic components such as an integrated circuit and the like. In addition to securing various small parts, it provides mechanical support for the secure assembly of various electronic components such as integrated circuits, enables wiring and electrical connection or insulation between various electronic components such as integrated circuits, provides desired electrical characteristics such as characteristic impedance, etc. Simultaneously providing a solder resist pattern for automatic soldering; and the identification characters and figures are provided for component insertion, inspection and maintenance. As electronic devices become more complex, more and more parts are required, and the wiring and parts on the PCB are more and more dense.
Therefore, the wiring terminal is an electronic component which is not necessary in the field, and the wiring terminal of the circuit board is an important part of the printed circuit board in the electronic industry. The structure and the design are stronger, and the connection is convenient and firm, and the like; the structure is compact, the link is reliable, and the device has the advantages; the wire clamping body lifting principle is utilized, so that reliable wiring is ensured, and the wiring capacity is large; the welding leg and the wire clamping body are divided into two parts, so that the distance when the screw is screwed can not be transmitted to the welding spot to damage the welding spot; the shell is firm and firm, and the needle pitch is accurate.
The binding post for the PCB board is that one end welds on the PCB board under the general circumstances, and the other end adopts the screw line ball mode to connect, and the screw line ball just needs screw-thread fit, includes following 3 kinds binding post's helicitic texture among the prior art:
the press-riveting nut structure has the highest cost, and a stainless steel nut with higher hardness is press-riveted on the press-riveting nut structure after the wiring terminal is formed, so that the screw thread strength is realized through the stainless steel nut;
the composite riveting structure has complex die manufacture and high die cost. The single-process die is manufactured into a finished product, 6 processes are needed, the cost of the non-optical die is high, and the labor cost is increased due to 6 processes. Continuous molds are more costly, complex to design and manufacture, and require two-directional feeding of material.
The flanging tapping structure is relatively low in cost, but the screw strength is also lowest, and meanwhile, the stamping flanging can bring about hidden cracking trouble.
The utility model comprises the following steps:
the utility model aims to solve the defects in the prior art and provides a wiring terminal for a PCB.
A wiring terminal for a PCB comprises a wiring terminal and a connecting part, wherein the wiring terminal comprises a plug-in part and a wiring part; the plug-in part is used for connecting the PCB, and the wiring part is used for connecting with the electric wire;
the surface of the wiring part is provided with a threaded hole, a bolt penetrates through the electric wire to be connected with the threaded hole, the thickness of the wiring part is at least greater than two screw pitches (effectively matched with the screw thread for 2 circles),
the plug-in part and the wiring part are made of the same plate through calendaring, wherein the thickness of the plug-in part is smaller than that of the wire pressing part, and the installation requirement of a customer is met.
The PCB board on be equipped with a plurality of locating holes that are used for fixed binding post, the width of locating hole is less than or equal to 8 millimeters.
The wiring terminal comprises a wiring part, a first side plate and a second side plate, wherein a connecting hole is formed in the middle of the wiring part, threads are arranged in the connecting hole, one side of the wiring part is connected with one end of the first side plate, the other side of the wiring part is connected with one end of the second side plate, the first side plate and the second side plate face in the same direction, an included angle between the first side plate and the second side plate and the wiring part is 90 degrees, and the thickness of the wiring part is larger than 2 millimeters;
pins are arranged at the bottom ends of the first side plate and the second side plate, the thickness of each pin is smaller than that of the first side plate and the second side plate, and the thickness of each pin is smaller than or equal to 0.8 mm;
the bolt passes through the connecting hole, and the head of the bolt is positioned on the upper surface of the wiring part.
The working principle of the utility model is as follows: the connecting hole of the PCB is generally smaller, the pin part of the wiring terminal is also smaller due to the limitation of the size of the hole, the thickness of the pin part is generally smaller than or equal to 0.8 millimeter, and the whole wiring terminal is manufactured by processing a whole metal plate, so that the depth of the connecting hole is also smaller than or equal to 0.8 millimeter; the commonly adopted bolts are M4 bolts, the screw pitch of the bolts is between 0.5mm and 0.7mm, two complete threads cannot be processed in the size, and the fastening effect of the bolts cannot be realized;
if the thickness of the connection part is increased according to the screw requirements to meet the number of screw threads, the connection hole provided in the PCB cannot be inserted with the thickness of the pin, and thus, the following conditions are simultaneously satisfied: (1) The thickness of the wiring part is enough to process proper number of threads, and (2) the thickness of the pins can be inserted into the connecting holes on the PCB.
In order to meet the size of the connecting hole, the bolt can be screwed in the connecting hole on the wiring part, the model of the bolt is M4, the screw pitch of the bolt is 0.5 millimeter, and the nominal diameter of the bolt is 4 millimeters.
In order to process the pins into pins with the thickness meeting the thickness of the PCB connecting holes, the pins of the wiring part are manufactured by adopting a calendaring process, which is one of important basic process procedures in the processing of high polymer materials, and the working principle is that materials are extruded and sheared for many times through shearing force produced between rollers, so that the plasticity is increased, and the pins are stretched into thin products on the basis of further plasticizing.
In order to fix the wiring terminal on the PCB firmly, the number of the pins is 4, wherein two pins are positioned at two ends of the bottom of the first side plate, and the other two pins are positioned at two ends of the bottom of the second side plate.
The beneficial effects are that:
compared with the prior art, the thickness of the wiring part can be processed into a sufficient number of threads, and the thickness of the pins can be inserted into the connecting holes on the PCB; unlike the press-riveting nut structure and the composite riveting structure, the utility model is of an integral structure, has no other structure or article, has simple structure and low processing cost;
different from the flanging tapping structure, the processing position of the terminal is at the pin part, and the processing position of the flanging tapping structure is at the thread part, so that the thread strength is low, and meanwhile, the pin part is flattened by adopting a calendaring process because the flanging has the hidden danger of cracking, so that the structure strength is high.
The utility model is realized by improving the product forming mode and blanking, calendaring, blanking and forming processes, the thickness of the material of the threaded part meets the requirement of the thread strength, and the non-threaded area adopts the calendaring mode to enable the material to be in the thickness which is consistent with the customer and is convenient to be filled into the hole of the PCB.
Drawings
Fig. 1 is a schematic view of a connection terminal for a PCB board;
fig. 2 is a sectional view of a connection terminal for a PCB board;
FIG. 3 is a prior art terminal block of a clinch nut construction;
FIG. 4 is a prior art terminal block of a composite rivet structure;
FIG. 5 is a prior art terminal block of a turn-up tapping configuration;
in the figure, 1, a first side plate, 2, a wiring part, 3, a second side plate, 4 and a pin.
Detailed Description
The present utility model will be further described in detail with reference to the following examples and drawings for the purpose of enhancing the understanding of the present utility model, which examples are provided for the purpose of illustrating the present utility model only and are not to be construed as limiting the scope of the present utility model.
As shown in fig. 1-2, a first side plate 1, a wire connection portion 2, a second side plate 3, and a pin 4.
A wiring terminal for a PCB comprises a wiring terminal and a connecting part, wherein the wiring terminal comprises a plug-in part and a wiring part; the plug-in part is used for connecting the PCB, and the wiring part is used for connecting with the electric wire;
the surface of the wiring part is provided with a threaded hole, a bolt penetrates through the electric wire to be connected with the threaded hole, the thickness of the wiring part is at least larger than the thread pitch of one threaded hole,
the plug-in part and the wiring part are made of the same plate through calendaring, wherein the thickness of the plug-in part is smaller than 0.8mm.
The PCB is provided with a plurality of positioning holes for fixing the wiring terminals, and the width of each positioning hole is less than or equal to 8 mm;
the wiring terminal comprises a wiring part 2, a first side plate 1 and a second side plate 3, wherein a connecting hole is formed in the middle of the wiring part 2, threads are arranged in the connecting hole, one side of the wiring part 2 is connected with one end of the first side plate 1, the other side of the wiring part 2 is connected with one end of the second side plate 3, the first side plate 1 and the second side plate 3 face in the same direction, an included angle between the first side plate 1 and the second side plate 3 and the wiring part 2 is 90 degrees, and the thickness of the wiring part 2 is larger than 2 mm;
the bottom ends of the first side plate 1 and the second side plate 3 are respectively provided with a pin 4, the thickness of each pin 4 is smaller than that of the first side plate 1 and the second side plate 3, and the thickness of each pin 4 is smaller than or equal to 8 mm;
the bolt passes through the connecting hole, and the head of the bolt is positioned on the upper surface of the wiring part 2.
In this embodiment, the type of the bolt is M4, the pitch of the bolt is 0.5mm, and the nominal diameter of the bolt is 4 mm.
In this embodiment, the pins 4 of the connection portion 2 are manufactured by a calendaring process.
In this embodiment, the number of pins 4 is 4, wherein two pins 4 are located at two ends of the bottom of the first side plate 1, and the other two pins are located at two ends of the bottom of the second side plate 3.
The using mode is as follows: selecting a plate with proper material and thickness, drilling a threaded hole at the position of a wiring part 2, adopting a calendaring process at a pin 4, and adjusting the thickness of the part to be the thickness capable of being inserted into a connecting hole on a PCB; and then the wiring terminal is arranged on the PCB, the M4 bolt is screwed in, the lead is placed between the head of the bolt and the wiring part 2, the bolt is screwed in, and the bolt is unscrewed when the lead is taken out.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
1. The wiring terminal for the PCB comprises a main body and is characterized in that the main body comprises a splicing part and a wiring part; the plug-in part is used for connecting the PCB, and the wiring part is used for connecting with the electric wire;
the surface of the wiring part is provided with a threaded hole, a bolt penetrates through the wire to be connected with the threaded hole, and the thickness of the wiring part is at least greater than two screw pitches;
the plug-in part and the wiring part are made of the same plate through calendaring, wherein the thickness of the plug-in part is smaller than that of the wire pressing part.
2. The connection terminal for a PCB of claim 1, further comprising a bolt passing through the connection hole, a head of the bolt being positioned on an upper surface of the connection portion.
3. The connection terminal for a PCB board of claim 1, wherein the plugging portion includes a first side plate and a second side plate, one end of the first side plate is connected to one end of the connection portion, one end of the second side plate is connected to the other end of the connection portion, the first side plate and the second side plate face in the same direction, and an included angle between the first side plate and the second side plate is 90 °;
the bottoms of the first side plate and the second side plate are provided with a plurality of pins, and the pins are used for being connected with the PCB.
4. A terminal for a PCB according to claim 3, wherein the width of the leg portion is smaller than the widths of the first and second side plates.
5. The terminal of claim 4, wherein the number of pins is 4, two pins are located at two ends of the bottom of the first side plate, and the other two pins are located at two ends of the bottom of the second side plate.
6. The connection terminal for a PCB of claim 1, further comprising a PCB, wherein the PCB is provided with a plurality of mounting locations for connecting the plugging portion.
7. The terminal of claim 6, wherein the mounting location is a hole or a recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222865537.7U CN218975818U (en) | 2022-10-28 | 2022-10-28 | Binding post that PCB board was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222865537.7U CN218975818U (en) | 2022-10-28 | 2022-10-28 | Binding post that PCB board was used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218975818U true CN218975818U (en) | 2023-05-05 |
Family
ID=86160897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222865537.7U Active CN218975818U (en) | 2022-10-28 | 2022-10-28 | Binding post that PCB board was used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218975818U (en) |
-
2022
- 2022-10-28 CN CN202222865537.7U patent/CN218975818U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |