CN215773718U - PCB board and pin needle exempt from welded connection structure - Google Patents
PCB board and pin needle exempt from welded connection structure Download PDFInfo
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- CN215773718U CN215773718U CN202122122156.5U CN202122122156U CN215773718U CN 215773718 U CN215773718 U CN 215773718U CN 202122122156 U CN202122122156 U CN 202122122156U CN 215773718 U CN215773718 U CN 215773718U
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Abstract
The utility model provides a welding-free connecting structure of a PCB (printed circuit board) and pin needles, which belongs to the technical field of PCB connection and comprises an upper shell, wherein the inner side of the upper shell is provided with the PCB, the PCB is connected with a connector fisheye pin needle, the PCB is connected with a grounding fisheye pin needle, the PCB is connected with a motor anode fisheye pin needle, the PCB is connected with a motor cathode fisheye pin needle, and the connector fisheye pin needle, the grounding fisheye pin needle, the motor anode fisheye pin needle and the motor cathode fisheye pin needle are all fixedly connected with fisheye needle structures. The fisheye needle structure solves the problems that the tin content of a square needle is less than 75 percent after the square needle is connected by tin soldering, solder leakage, tin beads, insufficient solder and air holes exist.
Description
The technical field is as follows:
the utility model belongs to the technical field of PCB (printed circuit board) connection, and particularly relates to a welding-free connection structure of a PCB and a pin needle.
Background art:
with the rapid development of the electronic information technology, it is necessary to interconnect the current or signal between the actuators through the connector to perform the predetermined function of the circuit. The existing connection modes for conducting signals are generally divided into two types, namely soldered connection and solderless connection.
Through square needle equipment at the PCB board, square needle and PCB board are gapped, the equipment is accomplished the back, need carry out the soldering connection, the tin welding back, the PCB board is fixed completely with square needle, no matter all will keep not having under any environment and become flexible, if become flexible will lead to contact failure phenomenon, and the tin even, it is less than 75% to go up the tin volume, leak the welding, the tin pearl, the rosin joint, gas pocket scheduling problem, propose a PCB board and pin needle from this and exempt from the welded connection structure.
The utility model has the following contents:
the utility model provides a welding-free connecting structure of a PCB and pin needles, and aims to solve the problems that after square needles are connected through tin soldering, the tin loading amount cannot reach 75%, and welding leakage, tin beads, insufficient soldering and air holes exist.
The utility model provides a welding-free connection structure of a PCB (printed circuit board) and pin needles, which comprises an upper shell, wherein the inner side of the upper shell is provided with the PCB, the PCB is connected with a connector fisheye pin needle, the PCB is connected with a grounding fisheye pin needle, the PCB is connected with a motor anode fisheye pin needle, the PCB is connected with a motor cathode fisheye pin needle, the connector fisheye pin needle, the grounding fisheye pin needle, the motor anode fisheye pin needle and the motor cathode fisheye pin needle are all fixedly connected with fisheye needle structures, the PCB is provided with a plurality of connecting holes matched with the fisheye needle structures, and the outer side of the PCB is fixedly connected with a base support block matched with the connector fisheye pin needle, the grounding fisheye pin needle, the motor anode fisheye pin needle and the motor cathode fisheye pin needle.
Further, the fisheye needle structure includes fisheye needle, first spring, second spring, stopper, spacing groove, the fisheye hole has been seted up at the middle part of fisheye needle, first spring and fisheye needle fixed connection just are located the fisheye hole, the second spring just is located the fisheye hole with fisheye needle fixed connection, the stopper be located the connecting hole and with PCB board fixed connection, the spacing groove is seted up in the left and right both sides of fisheye needle and with the stopper phase-match.
Through adopting above-mentioned technical scheme, do not need the soldering to make PCB board and connector flake pin needle, ground connection flake pin needle, anodal flake pin needle of motor and motor negative pole flake pin needle be connected to can not become flexible after connecting, also can not drop, can lastingly effectual be connected with the PCB board.
Furthermore, the limiting block is a triangular prism, the limiting block is of a structure which is flat at the bottom and inclined at the top, and the fisheye needle is made of elastic materials.
Through adopting above-mentioned technical scheme, utilize the stopper can effectively prevent the condition that fisheye needle structure and PCB board break away from in ordinary use.
Furthermore, two second springs which are positioned in the same fisheye needle are symmetrically arranged up and down, and the first spring is positioned between the two second springs.
Through adopting above-mentioned technical scheme, utilize first spring, second spring to exert force from the middle part of fisheye needle to the both ends of fisheye needle, make the fisheye needle more stable with being connected of PCB board.
Further, the PCB is fixedly connected with the inner side of the upper shell through a fixing bolt.
By adopting the technical scheme, the PCB can be conveniently mounted and dismounted.
Further, the fisheye needle structure of connector fisheye pin needle, ground connection fisheye pin needle fixed connection all sets up to one, the fisheye needle structure of positive pole fisheye pin needle of motor, motor negative pole fisheye pin needle fixed connection all sets up to two.
Through adopting above-mentioned technical scheme, utilize fisheye pin structure can make connector fisheye pin needle, ground connection fisheye pin needle, the anodal fisheye pin needle of motor, motor negative pole fisheye pin needle be connected with the PCB board.
Furthermore, the fisheye hole is oval, and the connector fisheye pin needle, the grounding fisheye pin needle, the positive motor fisheye pin needle and the negative motor fisheye pin needle are inserted into the connecting hole through the fisheye needle structure and are connected with the PCB.
By adopting the technical scheme, the fisheye needle is conveniently inserted into the connecting hole of the PCB for connection, so that looseness and falling are prevented, and normal use is ensured
Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects:
according to the fisheye needle structure, when the fisheye needle structure is inserted and connected with a PCB, the fisheye needle structure can be prevented from being separated from the PCB through the combination of the limiting blocks on the PCB and the limiting grooves on the fisheye needle, the first spring and the second spring exert force from the middle of the fisheye needle to expand the fisheye needle outwards, so that the fisheye needle is ensured to be in close contact with the PCB, poor contact is prevented, and the problems of low tin content in tin connection, low tin leakage, tin beads, insufficient soldering and air holes cannot occur.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.
Description of the drawings:
the accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the inner side structure of the upper housing according to the present invention;
FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 2;
FIG. 4 is an enlarged view of the structure at A in FIG. 3;
FIG. 5 is an enlarged view of the structure at B in FIG. 4;
fig. 6 is an enlarged schematic view of the structure at C in fig. 1.
Reference numerals: 1. an upper housing; 2. a fisheye pin of the connector; 3. a pin needle of a grounding fisheye; 4. a fisheye pin needle on the positive pole of the motor; 5. a fisheye pin needle of a negative electrode of the motor; 6. a PCB board; 7. a base support block; 8. a fish eye needle structure; 81. fish eye needle; 82. a first spring; 83. a second spring; 84. a limiting block; 85. a limiting groove; 9. and connecting the holes.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the technical solutions of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the specific embodiments of the present invention. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model without any inventive step, are within the scope of protection of the utility model.
As shown in fig. 1-6, the utility model provides a welding-free connection structure of a PCB board and a pin needle, which comprises an upper shell 1, wherein a PCB board 6 is installed on the inner side of the upper shell 1, a connector fisheye pin needle 2 is connected to the PCB board 6, a grounding fisheye pin needle 3 is connected to the PCB board 6, a motor positive fisheye pin needle 4 is connected to the PCB board 6, a motor negative fisheye pin needle 5 is connected to the PCB board 6, the connector fisheye pin needle 2, the grounding fisheye pin needle 3, the motor positive fisheye pin needle 4 and the motor negative fisheye pin needle 5 are all fixedly connected with fisheye needle structures 8, a plurality of connecting holes 9 matched with the fisheye pin structures 8 are formed in the PCB board 6, and a base support block 7 matched with the connector fisheye pin needle 2, the grounding fisheye pin needle 3, the motor fisheye pin needle 4 and the motor negative fisheye pin needle 5 is fixedly connected to the outer side of the PCB board 6;
the fisheye needle structure 8 comprises a fisheye needle 81, a first spring 82, a second spring 83, a limiting block 84 and a limiting groove 85, a fisheye hole is formed in the middle of the fisheye needle 81, the first spring 82 is fixedly connected with the fisheye needle 81 and is positioned in the fisheye hole, the second spring 83 is fixedly connected with the fisheye needle 81 and is positioned in the fisheye hole, the limiting block 84 is positioned in the connecting hole 9 and is fixedly connected with the PCB 6, the limiting groove 85 is formed in the left side and the right side of the fisheye needle 81 and is matched with the limiting block 84, the PCB 6 can be connected with the connector fisheye needle 2, the grounding fisheye needle 3, the motor positive fisheye needle 4 and the motor negative fisheye needle 5 without soldering, and the fisheye needles cannot loosen and fall off after being connected, and can be durably and effectively connected with the PCB 6;
the limiting block 84 is a triangular prism, the limiting block 84 is of a structure which is flat at the bottom and inclined at the top, the fisheye needle 81 is made of elastic materials, and the limiting block 84 can effectively prevent the fisheye needle structure 8 from being separated from the PCB 6 in ordinary use;
the two second springs 83 in the same fisheye needle 81 are arranged symmetrically up and down, the first spring 82 is arranged between the two second springs 83, and the first spring 82 and the second spring 83 apply force to the two ends of the fisheye needle 81 from the middle of the fisheye needle 81, so that the fisheye needle 81 is more stably connected with the PCB 6;
the PCB 6 is fixedly connected with the inner side of the upper shell 1 through a fixing bolt, so that the PCB 6 can be conveniently mounted and dismounted;
the fisheye pin structure 8 fixedly connected with the fisheye pin 2 and the grounding fisheye pin 3 of the connector is respectively provided with one fisheye pin structure 8, the fisheye pin structure 8 fixedly connected with the positive pole fisheye pin 4 and the negative pole fisheye pin 5 of the motor is respectively provided with two fisheye pin structures 8, and the fisheye pin 2, the grounding fisheye pin 3, the positive pole fisheye pin 4 of the motor and the negative pole fisheye pin 5 of the motor can be connected with the PCB 6 by utilizing the fisheye pin structures 8;
the fisheye is oval, and connector fisheye pin needle 2, ground connection fisheye pin needle 3, the anodal fisheye pin needle of motor 4, motor negative pole fisheye pin needle 5 all are connected with PCB board 6 in inserting the connecting hole 9 through fisheye needle structure 8, utilize fisheye needle 81 conveniently to insert into PCB board 6's connecting hole 9, connect, prevent not hard up and drop, guarantee the normal clear of using.
During specific implementation, when inserting fisheye needle structure 8 into connecting hole 9 on PCB board 6, connector fisheye pin 2, ground connection fisheye pin 3, anodal fisheye pin 4 of motor, motor negative pole fisheye pin 5 contacts with basic tray 7 on PCB board 6 earlier, along with fisheye needle 81 inserts into connecting hole 9, stopper 84 on PCB board 6 can enter into spacing groove 85 on fisheye needle 81, fisheye needle structure 8 is located PCB board 6 and is connected closely with PCB board 6 this moment, and through stopper 84's setting, can effectually prevent fisheye needle structure 8 and PCB board 6 and break away from, through second spring 83 in the use, first spring 82 is from exerting pressure to fisheye needle 81 between from, guarantee fisheye needle 81 and stopper 84's being connected, and then can be better be connected with PCB board 6.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a PCB board and pin needle exempt from welded connection structure, includes last casing (1), its characterized in that, PCB board (6) are installed to the inboard of going up casing (1), be connected with connector flake pin needle (2) on PCB board (6), be connected with ground connection flake pin needle (3) on PCB board (6), be connected with anodal flake pin needle (4) of motor on PCB board (6), be connected with motor negative pole flake pin needle (5) on PCB board (6), equal fixedly connected with flake pin structure (8) on connector flake pin needle (2), ground connection flake pin needle (3), anodal flake pin needle (4) of motor, the motor negative pole flake pin needle (5), set up connecting hole (9) a plurality of and with flake pin structure (8) matching on PCB board (6), the outside fixedly connected with of PCB board (6) and connector flake pin needle (2), A base supporting block (7) matched with the grounding fisheye pin needle (3), the positive fisheye pin needle (4) of the motor and the negative fisheye pin needle (5) of the motor.
2. The PCB board and pin welding-free connection structure of claim 1, wherein: fisheye needle structure (8) include fisheye needle (81), first spring (82), second spring (83), stopper (84), spacing groove (85), the fisheye hole has been seted up at the middle part of fisheye needle (81), first spring (82) and fisheye needle (81) fixed connection just are arranged in the fisheye hole, second spring (83) and fisheye needle (81) fixed connection just are arranged in the fisheye hole, stopper (84) be arranged in connecting hole (9) and with PCB board (6) fixed connection, spacing groove (85) set up in the left and right both sides of fisheye needle (81) and with stopper (84) phase-match.
3. The PCB board and pin welding-free connection structure of claim 2, wherein: the limiting block (84) is a triangular prism, the limiting block (84) is of a structure which is flat at the bottom and inclined at the top, and the fisheye needle (81) is made of elastic materials.
4. The PCB board and pin welding-free connection structure of claim 1, wherein: two second springs (83) in the same fisheye needle (81) are arranged and are arranged symmetrically up and down, and the first spring (82) is arranged between the two second springs (83).
5. The PCB board and pin welding-free connection structure of claim 1, wherein: the PCB (6) is fixedly connected with the inner side of the upper shell (1) through a fixing bolt.
6. The PCB board and pin welding-free connection structure of claim 1, wherein: connector fisheye pin needle (2), ground connection fisheye pin needle (3) fixed connection's fisheye needle structure (8) all set up to one, anodal fisheye pin needle of motor (4), motor negative pole fisheye pin needle (5) fixed connection's fisheye needle structure (8) all set up to two.
7. The PCB board and pin welding-free connection structure of claim 1, wherein: the fisheye hole is oval, connector fisheye pin needle (2), ground connection fisheye pin needle (3), anodal fisheye pin needle of motor (4), motor negative pole fisheye pin needle (5) all are connected with PCB board (6) in inserting connecting hole (9) through fisheye needle structure (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122122156.5U CN215773718U (en) | 2021-09-03 | 2021-09-03 | PCB board and pin needle exempt from welded connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122122156.5U CN215773718U (en) | 2021-09-03 | 2021-09-03 | PCB board and pin needle exempt from welded connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215773718U true CN215773718U (en) | 2022-02-08 |
Family
ID=80084098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122122156.5U Active CN215773718U (en) | 2021-09-03 | 2021-09-03 | PCB board and pin needle exempt from welded connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215773718U (en) |
-
2021
- 2021-09-03 CN CN202122122156.5U patent/CN215773718U/en active Active
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