CN213989289U - Through-hole fisheye crimping pin header - Google Patents
Through-hole fisheye crimping pin header Download PDFInfo
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- CN213989289U CN213989289U CN202120171847.1U CN202120171847U CN213989289U CN 213989289 U CN213989289 U CN 213989289U CN 202120171847 U CN202120171847 U CN 202120171847U CN 213989289 U CN213989289 U CN 213989289U
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- fisheye
- hole
- crimping
- pin header
- shoulder
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Abstract
A through-hole fisheye compression joint pin header relates to the technical field of connectors. Needle is arranged in fisheye crimping is formed by the punching press of elastic sheet material, and it contains insertion portion, crimping portion, shoulder and row needle rod portion that from top to bottom set gradually, and crimping portion includes: the inserting part and the two arc-shaped elastic parts are symmetrically arranged between the inserting part and the shoulder part, and one end of each elastic part is connected with the shoulder part; the other end is connected with the inserting part; a fisheye through hole is arranged between the two elastic parts; when the crimping part is separated from the plug hole, the distance between one sides of the two elastic parts far away from the fisheye through hole is larger than the diameter of the plug hole in the external PCB, and when the crimping part is plugged with the plug hole, the distance between one sides of the two elastic parts far away from the fisheye through hole is equal to the diameter of the plug hole in the external PCB. By adopting the technical scheme, the assembly is simple, the tight connection and the electrical transmission between the connector and the PCB can be realized without welding, and the connector has the advantages of economy, practicality, convenience and quickness.
Description
Technical Field
The utility model relates to a connector technical field, concretely relates to through-hole flake crimping pin header.
Background
After the traditional pin header connector is inserted into a PCB, a pin header and the PCB must be soldered together by a tin soldering process, so that the connection function of electric signals can be achieved. In the tin soldering process, the hidden tin soldering troubles of empty soldering, insufficient soldering and infirm soldering exist; after welding is finished, cleaning is required; and the maintenance and the installation are difficult.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a through-hole flake crimping pin gang, have economical and practical, guarantee the reliable connection of signal between the electronic component, the equipment is simple, does not need can realize the zonulae occludens and the electrical signal transmission of connector and PCB board, convenient and fast's advantage through the welding.
In order to achieve the above object, the utility model adopts the following technical scheme: a fisheye compression pin header comprising: the fisheye compression joint pin header is formed by stamping an elastic plate, and comprises an insertion part, a compression part, a shoulder part and a pin header rod part which are sequentially arranged from top to bottom, wherein the size of the insertion part is smaller than that of an insertion hole in an external PCB (printed circuit board), and the size of the shoulder part is larger than that of the insertion hole; the crimping portion includes: the two arc-shaped elastic parts are symmetrically arranged between the insertion part and the shoulder part, one end of each elastic part is connected with the shoulder part, and the other end of each elastic part is connected with the insertion part; when the crimping part is spliced with the splicing hole, the distance between one sides of the two elastic parts far away from the fisheye through hole is equal to the diameter of the splicing hole in the external PCB.
The width of the pin header part is smaller than that of the shoulder part.
An arc transition area is arranged between the shoulder and the crimping part, and the radius of the arc transition area is 0.13-0.2 degrees.
The insertion part is conical with an angle of 37-60 degrees.
The upper end and the lower end of the fisheye through hole are arc-shaped, the radius of arc angles at the upper end and the lower end of the fisheye through hole is 0.05-0.5 degrees, and the radian radius of an arc section at the middle position of the fisheye through hole is 2.54-3.54 degrees.
After the technical scheme is adopted, the utility model discloses beneficial effect does: fisheye crimping pin header is formed by the punching press of elastic sheet material, and fisheye crimping pin header includes insertion portion, crimping portion, shoulder and row needle rod portion that set gradually from bottom to top, and crimping portion includes: two curved elasticity portions, two elasticity portions symmetry set up between insertion part and shoulder, and elasticity portion one end is connected the other end with the insertion part with the shoulder. Lie in on the middle part of crimping portion and be provided with long curved fisheye through-hole between two elasticity portions, because fisheye through-hole sets up in crimping portion middle part, fisheye through-hole encloses by the inside wall of the elasticity portion that two symmetries set up and establishes and forms, and fisheye through-hole is the long curved through-hole structure of symmetry. The inserting part at one end of the crimping part is convenient for the crimping part to be inserted into the inserting hole in the external PCB, and the arrangement of the fisheye through hole is convenient for the two elastic parts to be tightly abutted against the inner side wall of the inserting hole under the action of self restoring force, so that the fisheye crimping pin header can be helped to obtain stable holding force.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the fisheye compression joint pin header with the pin header removed;
FIG. 3 is a transverse cross-sectional view of the fisheye crimp pin header inserted into a socket hole of a PCB.
Description of reference numerals: 1. an insertion portion; 2. a crimping part; 3. a shoulder portion; 4. a pin header part; a. a fish eye through hole; 21. an elastic part; 211. an included angle region; 212. a first elastic region; 213. a valid bit region; 214. a second elastic region; b. and (7) inserting holes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment as required without making a contribution, but all the embodiments are protected by the patent law within the scope of the claims of the present invention.
The present embodiment relates to a fish-eye crimping pin header, as shown in fig. 1 to 3, including: fisheye crimping pin header is formed by the punching press of elastic plate, and fisheye crimping pin header is including inserting 1, crimping portion 2, shoulder 3 and pin header portion 4 that from top to bottom set gradually, and the size of inserting 1 is less than the size of spliced eye b on the outside PCB board, and the size of shoulder 3 is greater than the size of spliced eye b. The crimping part 2 includes: two arc-shaped elastic parts 21, the two elastic parts 21 are symmetrically arranged between the insertion part 1 and the shoulder part 3, one end of the elastic part 21 is connected with the shoulder part 3, and the other end is connected with the insertion part 1. The middle of the crimping part 2 is provided with a long arc-shaped fisheye through hole a between the two elastic parts 21, when the crimping part 2 is separated from the inserting hole b, the distance between one sides of the two elastic parts 21 away from the fisheye through hole a is larger than the diameter of the inserting hole b on the external PCB, and when the crimping part 2 is inserted into the inserting hole b, the distance between one sides of the two elastic parts 21 away from the fisheye through hole a is equal to the diameter of the inserting hole b on the external PCB. Because fisheye through-hole a sets up in crimping portion 2 middle part, fisheye through-hole a encloses by the inside wall of two elasticity portions 21 that the symmetry set up and establishes and forms, fisheye through-hole a is symmetrical long arc through-hole structure. The inserting part 1 at one end of the crimping part 2 is convenient for the crimping part 2 to be inserted into the inserting hole b on the external PCB, and the arrangement of the fisheye through hole a is convenient for the two elastic parts 21 to be tightly abutted against the inner side wall of the inserting hole b under the action of self restoring force, so that the fisheye crimping pin header can be helped to obtain stable holding force.
Preferably, the width of the pin header portion 4 is smaller than the width of the shoulder portion 3. The pin arranging rod part 4 is convenient to be electrically connected with an external connector, and the shoulder part 3 is convenient to be limited outside the plug hole b. In the present embodiment, a circular arc transition area is provided between the shoulder 3 and the crimping part 2, and the radius of the circular arc transition area is 0.13-0.2 °. The inserting part 1 is conical with an angle of 37-60 degrees, so that the inserting force for inserting the crimping part 2 of the fisheye crimping pin header into the inserting hole b is small.
Preferably, the upper end and the lower end of the fisheye through hole a are arc-shaped, the radius of arc angles at the upper end and the lower end of the fisheye through hole a is 0.05-0.5 degrees, and the radian radius of an arc section at the middle position of the fisheye through hole a is 2.54-3.54 degrees. Because the fisheye both ends are the contained angle, and the centre is the circular arc, make the back is hugged closely about the upper and lower two sections of elasticity portion 21, middle circular arc section still has the clearance, has guaranteed crimping portion 2 and the area of contact of spliced eye b inside wall, reduces contact resistance for the spliced eye b structure of different sizes's PCB board in tolerance range is applicable to fisheye crimping gang needle, and fisheye crimping gang needle inserts behind the spliced eye b of PCB board, also can obtain stable holding power. In this embodiment, the outer side walls of the two elastic parts 21 on the crimping part 2 are an angle area 211, a first elastic area 212, an effective value area 213 and a second elastic area 214 in sequence from the insertion part 1 to the shoulder part 3. The included angle of the included angle area 211 is 13.5-16.0 degrees.
It should be noted that, when the crimping portion 2 of the fisheye crimping pin header is inserted into the insertion hole b of the PCB, the inner wall surfaces of the first elastic region 212 and the second elastic region 214 are squeezed and deformed to form a resilient force, so as to help the effective value region 213 obtain a stable holding force, and the effective value region 213 abuts against the inner wall of the insertion hole b.
The working principle of the utility model is as follows: fisheye crimping pin header is formed by the punching press of elastic sheet material, and fisheye crimping pin header includes insertion portion 1, crimping portion 2, shoulder 3 and pin header portion 4 that from top to bottom set gradually, and crimping portion 2 includes: two arc-shaped elastic parts 21, the two elastic parts 21 are symmetrically arranged between the insertion part 1 and the shoulder part 3, one end of the elastic part 21 is connected with the shoulder part 3, and the other end is connected with the insertion part 1. The middle of the crimping part 2 is provided with a long arc-shaped fisheye through hole a between the two elastic parts 21, and the fisheye through hole a is formed in the middle of the crimping part 2 and surrounded by the inner side walls of the two elastic parts 21 which are symmetrically arranged, and the fisheye through hole a is of a symmetrical long arc-shaped through hole structure. The inserting part 1 at one end of the crimping part 2 is convenient for the crimping part 2 to be inserted into the inserting hole b on the external PCB, and the arrangement of the fisheye through hole a is convenient for the two elastic parts 21 to be tightly abutted against the inner side wall of the inserting hole b under the action of self restoring force, so that the fisheye crimping pin header can be helped to obtain stable holding force.
The above description is only for the purpose of illustration and not limitation, and other modifications or equivalent replacements made by those skilled in the art to the technical solution of the present invention should be covered by the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.
Claims (5)
1. A fisheye crimping pin header, comprising: the fisheye crimping pin header is formed by stamping an elastic plate, and comprises an insertion part (1), a crimping part (2), a shoulder part (3) and a pin header rod part (4) which are sequentially arranged from top to bottom, wherein the size of the insertion part (1) is smaller than that of an insertion hole (b) in an external PCB, and the size of the shoulder part (3) is larger than that of the insertion hole (b);
the crimping section (2) includes: two arc-shaped elastic parts (21) symmetrically arranged between the insertion part (1) and the shoulder part (3), wherein one end of each elastic part (21) is connected with the shoulder part (3), and the other end of each elastic part (21) is connected with the insertion part (1); a fisheye through hole (a) is formed between the two elastic parts (21), when the crimping part (2) is separated from the inserting hole (b), the distance between one sides of the two elastic parts (21) far away from the fisheye through hole (a) is larger than the diameter of the inserting hole (b) in the external PCB, and when the crimping part (2) is spliced with the inserting hole (b), the distance between one sides of the two elastic parts (21) far away from the fisheye through hole (a) is equal to the diameter of the inserting hole (b) in the external PCB.
2. Fisheye crimp pin header according to claim 1, characterized in that the width of the pin header part (4) is smaller than the width of the shoulder part (3).
3. Fisheye crimping pin header according to claim 1, characterized in that between the shoulder (3) and the crimp (2) a circular arc transition is provided, the radius of which is 0.13 ° -0.2 °.
4. Fisheye crimping pin header according to claim 1, characterized in that the insertion part (1) is conical with an angle of 37 ° -60 °.
5. The fisheye crimping pin header as claimed in claim 1, wherein the upper end and the lower end of the fisheye through hole (a) are arc-shaped, the radius of the arc angle of the upper end and the lower end of the fisheye through hole (a) is 0.05-0.5 degrees, and the arc radius of the arc section in the middle of the fisheye through hole (a) is 2.54-3.54 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120171847.1U CN213989289U (en) | 2021-01-21 | 2021-01-21 | Through-hole fisheye crimping pin header |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120171847.1U CN213989289U (en) | 2021-01-21 | 2021-01-21 | Through-hole fisheye crimping pin header |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213989289U true CN213989289U (en) | 2021-08-17 |
Family
ID=77251925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120171847.1U Active CN213989289U (en) | 2021-01-21 | 2021-01-21 | Through-hole fisheye crimping pin header |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213989289U (en) |
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2021
- 2021-01-21 CN CN202120171847.1U patent/CN213989289U/en active Active
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