CN215119287U

CN215119287U - Symmetrical round-corner fisheye terminal

Info

Publication number: CN215119287U
Application number: CN202121270204.9U
Authority: CN
Inventors: 陈林; 蔡进
Original assignee: Dongguan Yukun Electronic Co ltd
Current assignee: Dongguan Yukun Electronic Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-12-10
Anticipated expiration: 2031-06-08

Abstract

The utility model relates to a fisheye terminal technical field, and disclose symmetrical fillet fisheye terminal, the bottom fixedly connected with third arc connecting portion of first arc connecting portion, seted up the fisheye hole between first elastic layer and the second elastic layer, symmetrical fisheye point type chamfer has all been seted up at the upper and lower both ends in fisheye hole, the fisheye hole inner arc is all installed to the both sides in fisheye hole; arc joint hoop is all installed with the back in the front of flake hole, the internally mounted of supplementary fixing base has expanding spring, expanding spring's the other end is connected with supplementary fixed head. The device can not scrape the copper foil of the PCB board by adopting the leading-in head and the guide round angle; by adopting the symmetrical fisheye point type chamfer, the device can not generate the problems of large stress at one end and small stress at one end; the auxiliary fixing seat, the telescopic spring, the auxiliary fixing head and the plug are designed, so that the device is firmly fixed in the PCB.

Description

Symmetrical round-corner fisheye terminal

Technical Field

The utility model relates to a fisheye terminal technical field specifically is symmetrical formula fillet fisheye terminal.

Background

The terminal is a member for connecting the battery to an external conductor. In electrotechnology, a terminal is a multi-finger terminal, namely a wiring terminal, a type division single hole, a double hole, a socket, a hook and the like, and the material division is copper silver plating, copper zinc plating, copper, aluminum, iron and the like. Their function is primarily to transmit electrical signals or to conduct electricity.

Common general terminal head of symmetry formula fillet flake terminal is C angle can have the hidden danger of scraping PCB board copper foil, the inboard flake structure of terminal be the circular arc chamfer for one end, and the other end has the hidden danger of taking off the hole for the sharp chamfer of flake, and the disconnected news problem appears, is connected unstablely with the PCB board, can not satisfy the operational requirement of symmetry formula fillet flake terminal, proposes symmetry formula fillet flake terminal for this reason.

Disclosure of Invention

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a symmetrical formula fillet flake terminal, the mode that possesses the efficient and adopt the head to lead the fillet can not scrape PCB board copper foil bad, it is big to adopt the sharp type chamfer mode of symmetry flake not to produce one end stress, the problem that one end stress is little, with advantages such as PCB board connection stability, it has the hidden danger of scraping the PCB board copper foil brokenly to have solved the general terminal head of current symmetrical formula fillet flake terminal for the C angle, the inboard flake structure of terminal is the circular arc chamfer for one end, the other end has the hidden danger of taking off the hole for the sharp type chamfer of flake, and the outage problem appears, be connected unstablely with the PCB board, can not satisfy the operational requirement's of symmetrical formula fillet flake terminal problem.

(II) technical scheme

For the mode that realizes above-mentioned adoption head fillet of leading can not scrape PCB board copper foil bad, adopt the sharp type chamfer mode of symmetry flake can not produce one end stress big, problem that one end stress is little, be connected stable purpose with the PCB board, the utility model provides a following technical scheme: a symmetrical fillet fisheye terminal comprises a base part, wherein an elastic layer is fixedly connected to the lower surface of the base part, a first elastic layer is fixedly mounted on the left side of the bottom of the elastic layer, a second elastic layer is fixedly mounted on the right side of the bottom of the elastic layer, the lower portion of the first elastic layer is connected with the lower portion of the second elastic layer, pre-insertion parts are fixedly connected to the bottoms of the first elastic layer and the second elastic layer, a lead-in head is fixed to the bottom of the pre-insertion parts, guide fillets are mounted on two sides of the lead-in head, first arc-shaped connecting parts are mounted on the left side of the first elastic layer and the right side of the second elastic layer, second arc-shaped connecting parts are fixedly mounted on two sides of the elastic layer, the upper end of each first arc-shaped connecting part is connected with the lower portion of the corresponding second arc-shaped connecting part, a third arc-shaped connecting part is fixedly connected to the bottom of each first arc-shaped connecting part, fisheye holes are formed between the first elastic layer and the second elastic layer, symmetrical fisheye-tip chamfers are arranged at the upper end and the lower end of each fisheye hole, and fisheye inner arcs are arranged on the two sides of each fisheye hole;

the front and the back in fish eye hole all install arc joint hoop, and the upper end of arc joint hoop all is fixed in the positive lower part intermediate position of elastic layer, and the lower extreme of arc joint hoop all is fixed in the positive upper portion intermediate position of second elastic layer, and the both sides middle part of first arc connecting portion has all fixedly installed supplementary fixing base, and the internally mounted of supplementary fixing base has expanding spring, and expanding spring's the other end is connected with supplementary fixed head.

Preferably, the upper end and the lower end of the inner arc of the fisheye hole are connected with the symmetrical fisheye tip type chamfer angles on the corresponding sides.

Preferably, the bottom of the third arc-shaped connecting part is fixedly connected with the guide round angle at the same side.

Preferably, the inner arcs of the fisheye holes are fixedly arranged on the surface of the inner wall of the first arc-shaped connecting part, and the upper end and the lower end of the symmetrical fisheye tip-shaped chamfer are fixedly connected with the upper end and the lower end of the first arc-shaped connecting part respectively.

Preferably, the top of the auxiliary fixing head is fixedly provided with an inserting plug, and the fixing end of the inserting plug is designed in a circular shape.

Preferably, the two sides of the opening of the auxiliary fixing seat are both provided with a retaining edge, and the bottoms of the two sides of the auxiliary fixing head are fixedly provided with a stop block at the corresponding position of the retaining edge.

(III) advantageous effects

Compared with the prior art, the utility model provides a symmetrical formula fillet flake terminal possesses following beneficial effect:

1. according to the symmetrical fillet fisheye terminal, the fillet of the symmetrical fillet fisheye terminal can be guided into the hole of the PCB along the copper foil of the PCB even if the symmetrical fillet fisheye terminal and the PCB are not concentric under the condition that a board is arranged on a terminal client through the guiding head and the guiding fillet, so that the copper foil of the PCB cannot be scraped;

2. according to the symmetrical fillet fisheye terminal, the upper end and the lower end of the symmetrical fillet fisheye terminal on the lower plate of a terminal client are uniformly stressed by adopting the symmetrical fisheye tip type chamfer, and the problems of large stress at one end and small stress at one end are avoided;

3. this symmetrical formula fillet flake terminal, the supplementary fixing base of design, expanding spring, supplementary fixed head and grafting end cap, make the device when inserting in the PCB board, supplementary fixed head and grafting end cap can make the device firm fixing in the PCB board, the plug-in end cap is the design of button head simultaneously, make the device when inserting, the inner wall of PCB board will extrude the grafting end cap, the grafting end cap atress is with expanding spring compression come back, make the entering PCB board that the grafting end cap can relax, also can not scrape the PCB board bad simultaneously, the inner wall that the bottom PCB board can be supported to the grafting end cap, make the device can firmly fix in the PCB board, the steadiness between device and the PCB board has been improved, and add the arc joint hoop that establishes and can make the device more stable fix in the PCB board, the stability of device has further been improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure between the PCB and the present invention;

fig. 3 is a schematic view of the fixing base structure of the present invention.

In the figure: 1. a base; 2. an elastic layer; 21. a first elastic layer; 22. a second elastic layer; 23. a first arcuate connecting portion; 24. a second arcuate connecting portion; 25. a third arcuate connecting portion; 3. a pre-insertion part; 31. a lead-in head; 32. a guide fillet; 4. a fish eye hole; 41. symmetrical fisheye-tip chamfers; 42. inner arc of the fisheye hole; 5. an arc-shaped collar; 6. an auxiliary fixing seat; 61. a tension spring; 62. an auxiliary fixing head; 63. plugging a plug; 64. blocking edges; 65. and a stop block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution, a symmetrical round corner fisheye terminal, including a base 1, an elastic layer 2, a first elastic layer 21, a second elastic layer 22, a first arc-shaped connecting portion 23, a second arc-shaped connecting portion 24, a third arc-shaped connecting portion 25, a pre-insertion portion 3, a lead-in head 31, a guide round corner 32, a fisheye hole 4, a symmetrical fisheye point chamfer 41, a fisheye inner arc 42, an arc-shaped collar 5, an auxiliary fixing seat 6, a telescopic spring 61, an auxiliary fixing head 62, a plug-in plug 63, a blocking edge 64 and a blocking block 65, wherein the lower surface of the base 1 is fixedly connected with the elastic layer 2, the elastic layer 2 provides a device with good ductility so that the device can be easily inserted into the insertion hole, the first elastic layer 21 is fixedly installed on the left side of the bottom of the elastic layer 2, the second elastic layer 22 is fixedly installed on the right side of the bottom of the elastic layer 2, and the lower portion of the first elastic layer 21 is connected with the lower portion of the second elastic layer 22, the bottoms of the first elastic layer 21 and the second elastic layer 22 are fixedly connected with a pre-insertion part 3, the bottom of the pre-insertion part 3 is fixed with a leading-in head 31, both sides of the leading-in head 31 are provided with guide fillets 32, so that even if the board symmetrical fillet fisheye terminal of a terminal customer is not concentric with a PCB, the fillets of the symmetrical fillet fisheye terminal can be guided into a PCB hole along the copper foil of the PCB, the copper foil of the PCB cannot be scraped, the left side of the first elastic layer 21 and the right side of the second elastic layer 22 are both provided with first arc-shaped connecting parts 23, both sides of the elastic layer 2 are both fixedly provided with second arc-shaped connecting parts 24, the upper ends of the first arc-shaped connecting parts 23 are connected with the lower parts of the second arc-shaped connecting parts 24, the bottom of the first arc-shaped connecting parts 23 is fixedly connected with third arc-shaped connecting parts 25, the bottom of the third arc-shaped connecting parts 25 on the left side is fixedly connected with the guide fillets 32 on the left side, the bottom of the third arc-shaped connecting part 25 positioned on the right side is connected with the guide fillet 32 positioned on the right side, a fisheye hole 4 is arranged between the first elastic layer 21 and the second elastic layer 22, symmetrical fisheye point chamfers 41 are arranged at the upper end and the lower end of the fisheye hole 4, the symmetrical fisheye point chamfers 41 enable the upper end and the lower end of the symmetrical fillet fisheye terminal on the lower plate of an end client to be uniformly stressed, the problems of large stress at one end and small stress at one end can not be caused, fisheye inner arcs 42 are arranged at two sides of the fisheye hole 4, the right sides of the upper end and the lower ends of the fisheye inner arcs 42 at the left side and the left sides of the upper end and the lower end of the fisheye inner arcs 42 at the right side are connected with the symmetrical fisheye point chamfers 41, the two fisheye inner arcs 42 are respectively and fixedly arranged on the inner wall of the first arc-shaped connecting part 23, and the two symmetrical fisheye point chamfers 41 are respectively and fixedly arranged at the connection part of the upper end and the lower end of the two first arc-shaped connecting parts 23, the front and the back of fish eye hole 4 all install arc joint hoop 5, the upper end of arc joint hoop 5 all is fixed in the positive lower part intermediate position of elastic layer 2, and the lower extreme of arc joint hoop 5 all is fixed in the positive upper portion intermediate position of second elastic layer 22, auxiliary fixing base 6 has all been fixed to be installed at the both sides middle part of first arc connecting portion 23, the internally mounted of auxiliary fixing base 6 has expanding spring 61, expanding spring 61's the other end is connected with supplementary fixed head 62, the top fixed mounting of supplementary fixed head 62 has grafting end cap 63, and the stiff end of grafting end cap 63 is circular design, the opening both sides of supplementary fixing base 6 all are installed and are kept off along 64, the both sides bottom of supplementary fixed head 62 with keep off along 64 corresponding position fixed mounting have dog 65, keep off along 64 and dog 65 make supplementary fixed head 62 can not break away from supplementary fixing base 6, supplementary fixing base 6, Expanding spring 61, supplementary fixed head 62, grafting end cap 63 and joint groove for when the device is inserting the PCB board, supplementary fixed head 62 and grafting end cap 63 can make the device firm fix in the PCB board, and add the arc joint circle 5 of establishing and can make the device more stable fix in the PCB board, have further improved the stability of device.

The working principle of the device is as follows: the head of the terminal is provided with a C corner (oblique angle), the periphery of the terminal can generate water chestnuts after the C corner is guided, when the symmetrical fillet fisheye terminal is not concentric with a PCB (printed circuit board), when a terminal customer plates the terminal, the water chestnuts around the head of the symmetrical fillet fisheye terminal can generate friction with the copper foil of the PCB, the hidden danger of scraping the copper foil of the PCB can be caused, the problem of incapable signal transmission and the like can be solved, the symmetrical fillet fisheye terminal adopts a head fillet guide mode, even if the symmetrical fillet fisheye terminal is not concentric with the PCB, the fillet of the symmetrical fillet fisheye terminal can be guided into the hole of the PCB along the copper foil of the PCB, the copper foil of the PCB can not be scraped, the auxiliary fixing seat 6, the expansion spring 61, the auxiliary fixing head 62 and the plug-in PCB, the auxiliary fixing head 62 and the plug-in the PCB, simultaneously grafting end cap 63 is the design of button head, make the device when inserting, the inner wall of PCB board will extrude grafting end cap 63, grafting end cap 63 atress compresses expanding spring 61 back, make in the entering PCB board that grafting end cap 63 can be relaxed, also can not scrape the PCB board bad simultaneously, when grafting end cap 63 reachs joint groove department, expanding spring 61 will extrude grafting end cap 63, grafting end cap 63 can support the inner wall of PCB board, make the device can firmly fix in the PCB board, the steadiness between device and the PCB board has been improved, the cooperation layer upon layer of above structure, the performance of device has been improved, make the device can be applicable to different PCB boards, the utilization ratio of device has been improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Symmetrical formula fillet fisheye terminal, including the basal portion, its characterized in that: the lower surface of the base part is fixedly connected with an elastic layer, the left side of the bottom of the elastic layer is fixedly provided with a first elastic layer, the right side of the bottom of the elastic layer is fixedly provided with a second elastic layer, the lower part of the first elastic layer is connected with the lower part of the second elastic layer, the bottoms of the first elastic layer and the second elastic layer are fixedly connected with a pre-inserting part, the bottom of the pre-inserting part is fixedly provided with a leading-in head, two sides of the leading-in head are respectively provided with a guide circular bead, the left side of the first elastic layer and the right side of the second elastic layer are respectively provided with a first arc-shaped connecting part, two sides of the elastic layer are respectively fixedly provided with a second arc-shaped connecting part, the upper end of the first arc-shaped connecting part is connected with the lower part of the second arc-shaped connecting part, the bottom of the first arc-shaped connecting part is fixedly connected with a third arc-shaped connecting part, a fisheye hole is arranged between the first elastic layer and the second elastic layer, the upper end and the lower end of the fisheye hole are respectively provided with a symmetrical fisheye point chamfer angle, both sides of the fisheye hole are provided with fisheye hole inner arcs;

2. The symmetrical radiused fish-eye terminal of claim 1, wherein: the upper end and the lower end of the inner arc of the fisheye hole are connected with symmetrical fisheye tip type chamfers on the corresponding sides.

3. The symmetrical radiused fish-eye terminal of claim 1, wherein: and the bottom of the third arc-shaped connecting part is fixedly connected with the guide round angle at the same side.

4. The symmetrical radiused fish-eye terminal of claim 1, wherein: the inner arcs of the fisheye holes are fixedly arranged on the surface of the inner wall of the first arc-shaped connecting portion, and the upper end and the lower end of the symmetrical fisheye point-shaped chamfer are fixedly connected with the upper end and the lower end of the first arc-shaped connecting portion respectively.

5. The symmetrical radiused fish-eye terminal of claim 1, wherein: the top of the auxiliary fixing head is fixedly provided with an inserting plug, and the fixed end of the inserting plug is in a circular design.

6. The symmetrical radiused fish-eye terminal of claim 1, wherein: the opening both sides of supplementary fixing base all install and keep off along, and the both sides bottom of supplementary fixed head and keep off along corresponding position fixed mounting have the dog.