CN220341533U - Asymmetric fish-eye terminal - Google Patents
Asymmetric fish-eye terminal Download PDFInfo
- Publication number
- CN220341533U CN220341533U CN202321402155.9U CN202321402155U CN220341533U CN 220341533 U CN220341533 U CN 220341533U CN 202321402155 U CN202321402155 U CN 202321402155U CN 220341533 U CN220341533 U CN 220341533U
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- arm
- force arm
- free
- fish
- asymmetric
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- 241000251468 Actinopterygii Species 0.000 claims abstract description 10
- 230000007704 transition Effects 0.000 claims description 32
- 238000003780 insertion Methods 0.000 description 9
- 230000037431 insertion Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Abstract
The utility model relates to an asymmetric fish-eye terminal. The utility model relates to an asymmetric fish-eye terminal, which comprises: a holding portion, an electrical connection portion, and a free portion that are sequentially provided; the electric connection part comprises a main arm, a first force arm and a second force arm; one end of the main arm is connected with the holding part, and the other end of the main arm is connected with the free part; the first force arm is vertically connected with one side of the main arm, one end of the first force arm is connected with the holding part, the other end of the first force arm is connected with the free part, and the first force arm and the main arm form a first fish eye; the second force arm is vertically connected with the other side of the main arm, and the directions of the second force arm and the first force arm are opposite; one end of the second force arm is connected with the holding part, and the other end of the second force arm is connected with the free part; the second arm and the main arm form a second fish eye. The asymmetric fish-eye terminal has the advantages of large effective deformation stroke of the force arm, high connection reliability and capability of being firmly inserted into the conductive jack.
Description
Technical Field
The utility model relates to the field of circuit board connection, in particular to a fisheye terminal.
Background
In the connection process of the PCB and the terminals, the welded terminals are easy to oxidize and short in service life due to complex process, so that the overall cost is increased. Therefore, fisheye terminals using solderless connections are becoming increasingly popular. The fish-eye terminal is designed into the shape with wide middle and narrow two ends through the fish-eye hole, so that the cross section of the elastic part is not equal everywhere, the fish-eye terminal can be ensured to be easier to insert, and the fish-eye terminal can be firmly matched and connected with the conductive jack of the circuit board, the signal transmission is more reliable, and the service life is longer.
However, the stress points of the contact part of the conventional fisheye terminal and the conductive jack and the force arms are generally symmetrically distributed, so that the force arms have smaller effective deformation stroke and lower connection reliability, and the fisheye terminal is not firmly inserted into the conductive jack to be connected and is easy to separate.
Disclosure of Invention
Accordingly, the utility model aims to provide an asymmetric fish-eye terminal which has the advantages of large effective deformation stroke of a force arm, high connection reliability and capability of being firmly inserted into a conductive jack.
An asymmetric fish-eye terminal comprises a holding part, an electric connection part and a free part which are sequentially arranged; the electric connection part comprises a main arm, a first force arm and a second force arm; one end of the main arm is connected with the holding part, and the other end of the main arm is connected with the free part; the first force arm is vertically connected with one side of the main arm, one end of the first force arm is connected with the holding part, the other end of the first force arm is connected with the free part, and the first force arm and the main arm form a first fish eye; the second force arm is vertically connected with the other side of the main arm, and the directions of the second force arm and the first force arm are opposite; one end of the second force arm is connected with the holding part, and the other end of the second force arm is connected with the free part; the second arm of force and the main arm constitute second fish eye.
The contact part stress points and the force arms of the asymmetric fisheye terminal are asymmetrically distributed, so that the effective deformation stroke of the force arms is effectively increased, the connection inserted into the conductive jack is more stable, the processing difficulty is low, and the reliability is high.
Further, the longitudinal section of the electric connection part is Z-shaped.
Further, the electric connection part is composed of a first transition part, a bridge part and a second transition part which are sequentially arranged; one end of the first transition part is connected with the holding part, and the other end of the first transition part is connected with the bridge part; one end of the second transition part is connected with one end of the bridge part far away from the first transition part, and the other end of the second transition part is connected with the free part; in the bridge section, the first moment arm and the second moment arm are parallel to each other.
Further, at the first transition section, the first and second moment arms narrow from an end distal from the retaining portion to an end proximal to the retaining portion; in the second transition section, the first and second arms narrow from an end remote from the free portion to an end near the free portion.
Further, a first round chamfer is respectively arranged on one side of the first force arm, which faces to the outer side, and one side of the second force arm, which faces to the outer side.
Further, the connection parts of the first force arm and the main arm and the connection parts of the second force arm and the main arm are respectively provided with a second round chamfer.
Further, the bridge width and height are greater than the width and height of the free portion.
Further, the retaining portion has the same height as the free portion and a width greater than the bridge portion width.
Further, the width and height of the free portion are 0.6 to 0.75mm, and the width and height of the bridge portion are 0.15 to 0.25mm larger than the width and height of the free portion, respectively.
Further, the height of the holding portion is the same as the height of the free portion, and the width is greater than the width of the bridge portion by 1mm or more.
For a better understanding and implementation, the present utility model is described in detail below with reference to the drawings.
Drawings
FIG. 1 is a perspective view of an asymmetric fish eye terminal of the present utility model;
FIG. 2 is a top view of an asymmetric fisheye terminal;
fig. 3 is a longitudinal sectional view of an asymmetric fisheye terminal;
fig. 4 is a schematic diagram of the deformation of an asymmetric fisheye terminal.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical direction", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific azimuth, and are constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, thermally conductive, detachably or integrally connected, mechanically connected, electrically connected, directly connected, or connected via an intermediary, or may be a communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Examples
Referring to fig. 1 to 4, an embodiment of the present utility model provides an asymmetric fisheye terminal, which includes a holding portion 1, an electrical connection portion 2, and a free portion 3 sequentially disposed. In the use state, one end of the free part 3 is inserted into the conductive insertion hole 00, the electric connection part 2 is inserted into the conductive insertion hole 00, and the holding part 1 is exposed out of the conductive insertion hole 00.
Referring to fig. 1-3, the electrical connection 2 includes a main arm 21, a first force arm 22, and a second force arm 23. One end of the main arm 21 is connected to the holding portion 1, and the other end is connected to the free portion 3. One side of the first force arm 22 is connected to one side of the main arm 21, one end of the first force arm 22 is connected to the holding portion 1, and the other end is connected to the free portion 3; the first force arm 22 is perpendicular to the main arm 21, constituting a first fisheye 2a. One side of the second force arm 23 is connected with the other side of the main arm 21, and the directions of the second force arm 23 and the first force arm 22 are opposite; one end of the second arm 23 is connected with the holding part 1, and the other end is connected with the free part 3; the second arm 23 is perpendicular to the main arm 21, forming a second fish eye 2b. The first fish eye 2a and the second fish eye 2b are located on opposite sides of the electrical connection 2, respectively. Referring to fig. 3, a longitudinal section of a middle section of the electrical connection portion 2 is zigzag.
Referring to fig. 2, the electrical connection portion 2 includes a first transition portion 201, a bridge portion 202, and a second transition portion 203, which are sequentially disposed. One end of the first transition part 201 is connected with the holding part 1, the other end is connected with the bridge part 202, one end of the second transition part 203 is connected with one end of the bridge part 202 far away from the first transition part 201, and the other end of one end of the second transition part 203 is connected with the free part 3. In the bridge section 202, the first force arm 22 and the second force arm 23 are parallel to each other. In the first transition 201 section, the first force arm 22 and the second force arm 23 narrow from the end away from the holding portion 1 to the end close to the holding portion 1; in the second transition 203 section, the first force arm 22 and the second force arm 23 narrow from the end distal from the free portion 3 to the end proximal to the free portion 3.
Further, the height (Z direction in fig. 3) of the holding portion 1 and the free portion 3 are equal, and the height of the bridge 202 of the electrical connection portion 2 is greater than the heights of the holding portion 1 and the free portion 3; the first transition 201 and the second transition 203 taper from the connection with the bridge 203 to the connection with the holding portion 1 or the free portion 3 until the height is equal to the holding portion 1 and the free portion 3. The width of the bridge 202 (Y direction in fig. 2) is larger than the width of the free portion 3, and the width of the holding portion 1 is larger than the width of the bridge 202; the second transition portion 203 tapers from the junction with the bridge portion 203 to the junction with the free portion 3 until the width is equal to the free portion 3, and the width of the first transition portion 201 tapers from the junction with the bridge portion 203 to the junction with the holding portion 1, the taper being the same as the second transition portion 203. When the asymmetric fisheye terminal is inserted into the conductive jack 00, the holding part 1 can prop against the outer side of the conductive jack 00, so that damage caused by excessive insertion of the asymmetric fisheye terminal into the conductive jack 00 is prevented, and the insertion condition of the asymmetric fisheye terminal can be conveniently observed because the height of the holding part 1 is smaller than that of the bridge part 202.
Referring to fig. 3, in some embodiments, a first rounded chamfer 2c is provided on each of the sides of the first force arm 22 and the second force arm 23 away from the main arm 21, so that the bridge 202 can be inserted into the conductive socket 00 more smoothly. Further, the connection parts of the first force arm 22, the second force arm 23 and the main arm 21 are respectively provided with a second round chamfer 2d, so that when the bridge 202 is extruded to deform, the folding degree of the connection parts is reduced, and breakage is prevented.
In some embodiments, the diameter of the conductive socket 00 is 0.8-1.2 mm. The width and height of the free portion 3 are 0.6-0.75 mm, the width and height of the bridge portion 202 of the electric connection portion 2 are 0.15-0.25 mm larger than the width and height of the free portion 3, the height of the holding portion 1 is the same as the height of the free portion 3, and the width is more than 1mm larger than the width of the bridge portion 202.
Referring to fig. 4, when the asymmetric fisheye terminal is inserted into the conductive jack 00, first, the free part 3 is inserted into the conductive jack 00; the second transition portion 203 is inserted into the conductive insertion hole 00 along with the free portion 3 and guides the bridge portion 202 to be inserted into the conductive insertion hole 00; in the process of entering the conductive jack 00, the bridge 202 is stressed and compressed, and the first force arm 22 and the second force arm 23 are extruded by the conductive jack 00 to generate dislocation deformation; after the electric connection part 2 is inserted into the conductive insertion hole 00, the holding part 1 is located outside the conductive insertion hole 00. Compared with the existing fisheye terminal, the asymmetric fisheye terminal provided by the utility model has the advantages that the stress point and the force arm are asymmetric, the deformation space and the stroke are large when the stress is applied, and the connection reliability is better.
In some embodiments, the asymmetric fisheye terminals of the present utility model are made by stamping a sheet of material. The processing difficulty is small, and the reliability is high.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the spirit of the utility model, and the utility model is intended to encompass such modifications and improvements.
Claims (10)
1. An asymmetric fisheye terminal, characterized in that: comprises a holding part, an electric connection part and a free part which are sequentially arranged; the electric connection part comprises a main arm, a first force arm and a second force arm; one end of the main arm is connected with the holding part, and the other end of the main arm is connected with the free part; the first force arm is vertically connected with one side of the main arm, one end of the first force arm is connected with the holding part, the other end of the first force arm is connected with the free part, and the first force arm and the main arm form a first fish eye; the second force arm is vertically connected with the other side of the main arm, and the directions of the second force arm and the first force arm are opposite; one end of the second force arm is connected with the holding part, and the other end of the second force arm is connected with the free part; the second arm of force and the main arm constitute second fish eye.
2. The asymmetric fish-eye terminal of claim 1, wherein: the longitudinal section of the electric connection part is Z-shaped.
3. The asymmetric fish-eye terminal of claim 2, wherein: the electric connection part consists of a first transition part, a bridge part and a second transition part which are sequentially arranged; one end of the first transition part is connected with the holding part, and the other end of the first transition part is connected with the bridge part; one end of the second transition part is connected with one end of the bridge part far away from the first transition part, and the other end of the second transition part is connected with the free part; in the bridge section, the first moment arm and the second moment arm are parallel to each other.
4. An asymmetric fisheye terminal according to claim 3 wherein: in the first transition section, the first and second moment arms narrow from an end away from the holding portion to an end near the holding portion; in the second transition section, the first and second arms narrow from an end remote from the free portion to an end near the free portion.
5. The asymmetric fish-eye terminal of claim 4 wherein: and one side of the first force arm and one side of the second force arm, which faces to the outer side, are respectively provided with a first round chamfer.
6. The asymmetric fish-eye terminal of claim 5, wherein: and second round chamfers are respectively arranged at the joints of the first force arm and the main arm and the joint of the second force arm and the main arm.
7. The asymmetric fish-eye terminal of claim 6, wherein: the bridge portion has a width and a height greater than the width and the height of the free portion.
8. The asymmetric fish-eye terminal of claim 7, wherein: the height of the retaining part is the same as that of the free part, and the width of the retaining part is larger than that of the bridge part.
9. The asymmetric fish-eye terminal of claim 8, wherein: the width and the height of the free part are 0.6-0.75 mm, and the width and the height of the bridge part are respectively 0.15-0.25 mm larger than the width and the height of the free part.
10. The asymmetric fish-eye terminal of claim 9, wherein: the height of the holding part is the same as that of the free part, and the width of the holding part is more than 1mm larger than that of the bridge part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321402155.9U CN220341533U (en) | 2023-06-02 | 2023-06-02 | Asymmetric fish-eye terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321402155.9U CN220341533U (en) | 2023-06-02 | 2023-06-02 | Asymmetric fish-eye terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220341533U true CN220341533U (en) | 2024-01-12 |
Family
ID=89455378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321402155.9U Active CN220341533U (en) | 2023-06-02 | 2023-06-02 | Asymmetric fish-eye terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220341533U (en) |
-
2023
- 2023-06-02 CN CN202321402155.9U patent/CN220341533U/en active Active
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