CN216389992U

CN216389992U - Fisheye needle material belt arrangement structure

Info

Publication number: CN216389992U
Application number: CN202122589915.9U
Authority: CN
Inventors: 吴晓峰; 谢国良
Original assignee: Dongguan Fujin Precision Components Co ltd
Current assignee: Dongguan Fujin Precision Components Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-26
Anticipated expiration: 2031-10-27

Abstract

The utility model discloses a fisheye needle material belt arrangement structure which comprises a material belt, and a plurality of first fisheye needles and second fisheye needles which are integrally connected to the material belt; the material belt comprises a first material belt and a second material belt which are arranged in parallel at intervals, and the first fisheye needles and the second fisheye needles are alternately arranged at intervals along the length direction of the material belt; the first fisheye needle and the second fisheye needle comprise fisheye parts and connecting parts which are integrally connected; the fisheye part of the first fisheye needle is connected to the second material belt through the first material distribution belt, and the fisheye part of the second fisheye needle is directly connected to the second material belt, so that: the fisheye portion of first fisheye needle keeps away from the second material area, and the fisheye portion of second fisheye needle is close to the second material area, and the fisheye position of adjacent first fisheye needle and second fisheye needle staggers, so, through the fisheye needle of arranging different length at same material area structural alternating for the fisheye position of adjacent fisheye needle staggers, like this, can effectively reduce the interval of adjacent fisheye needle, reduces the material area of taking the waste material.

Description

Fisheye needle material belt arrangement structure

Technical Field

The utility model relates to the technical field of fisheye needle terminal material belts, in particular to a fisheye needle material belt arrangement structure.

Background

In the electronics industry, the process of soldering the terminal pads of the electronic connector to the printed circuit board by using solder paste is being slowly reduced. On the contrary, more and more electronic connector products adopt a terminal crimping process to make the printed circuit board and the connector stably contact and conduct.

Among the prior art, the fisheye needle is the crimping terminal structure that uses the most extensively, and the structure of current fisheye needle: the device comprises a base part, two elastic parts connected with the base part, two elastic parts and a pin part in sequence; the elastic parts are arc-shaped and arranged oppositely, and a fisheye hole is formed between the two elastic parts. However, in the conventional technology, one metal strip is used as an intermediate product in a form of a material strip and a combination of the fish eye needles and the material strip is punched in a continuous punching mode, one material strip is usually punched with only one fish eye needle with one shape and size, and two adjacent fish eye needles need to keep a larger distance to ensure the punching operation of the fish eye parts of the fish eye needles, so that the waste material of the material strip of the metal strip occupies a larger area, and the waste of the material is caused. Moreover, terminals with different sizes or shapes need to be obtained by stamping respectively, so that a plurality of stamping dies need to be configured, the stamping production and manufacturing efficiency is limited, and further improvement is difficult.

In addition, in the process of installing the fisheye needle into the jack, because the fisheye needle is not fixedly connected with the jack in the connection relationship, if the cross section of the elastic part is smaller, the elastic part is easily elastically contracted under extrusion, so that the terminal is easy to insert, but is easy to withdraw from the jack after being inserted, and the terminal is broken once withdrawn from the jack, and the electric connection is unreliable; if the cross section of the elastic part is larger, the elastic part is not easy to elastically contract under extrusion, so that the terminal is not easy to withdraw from the jack after being inserted so as to form reliable electric connection, but the terminal is more laborious to insert.

Therefore, a new technical solution is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a fisheye needle belt arrangement structure, which mainly arranges fisheye needles with different lengths on the same belt structure in an alternating manner, so that the positions of the fisheye positions of adjacent fisheye needles are staggered, thereby effectively reducing the space between adjacent fisheye needles, reducing the area of waste on the belt, and simultaneously, punching the belt by the fisheye needles once to obtain different terminals, so as to improve the punching efficiency;

its another purpose is, through the structural design of the flake portion of flake needle, effectual solved among the conventional art flake needle in the in-process of cartridge to the jack, the problem that drops and hard that elastic part cross section is little or great exists.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a fisheye needle material belt arrangement structure comprises a material belt, and a plurality of first fisheye needles and second fisheye needles which are integrally connected to the material belt; the material belt comprises a first material belt and a second material belt which are arranged in parallel at intervals, and the first fisheye needles and the second fisheye needles are alternately arranged at intervals along the length direction of the material belt;

the first fisheye needle and the second fisheye needle comprise fisheye parts and connecting parts which are integrally connected;

the fisheye part of the first fisheye needle is connected to the second material belt through the first material distribution belt, and the fisheye part of the second fisheye needle is directly connected to the second material belt, so that: the fisheye part of the first fisheye needle is far away from the second material belt, the fisheye part of the second fisheye needle is close to the second material belt, and the fisheye positions of the adjacent first fisheye needle and the second fisheye needle are staggered.

As an optimal scheme, connecting portion extend towards first material area, and the extension end of connecting portion keeps the interval with first material area, first material area has a plurality of seconds to divide the material area towards the integrative extension in second material area place side, the second divides the material area to be located respectively between the connecting portion of adjacent first flake needle and second flake needle, and the both sides of the connecting portion of first flake needle and second flake needle all have first position of cutting, the second divides the material area to be connected to the first position of cutting of the connecting portion of adjacent first flake needle and second flake needle.

As a preferred scheme, the connecting part comprises a first connecting section, a second connecting section and a third connecting section which are sequentially and integrally connected, one end of the first connecting section is connected to the fisheye part, the other end of the first connecting section is connected to one end of the second connecting section, the other end of the second connecting section is connected to one end of the third connecting section, and the other end of the third connecting section is used as an extending tail end of the connecting part; the first cutting position is arranged at the joint of the second connecting section and the third connecting section, the second cutting positions are arranged on two sides of the joint of the first connecting section and the second connecting section, and the first cutting positions of the adjacent first fisheye needles and the adjacent second fisheye needles are integrally connected through the third dividing belt.

As a preferable scheme, a first bending position is arranged on the first connecting section of the first fisheye needle, a second bending position is arranged on the first connecting section of the second fisheye needle, and the distance from the first bending position to the second material belt is greater than the distance from the second bending position to the second material belt, so that: the first bending position of the first fisheye needle and the second bending position of the second fisheye needle form dislocation.

As a preferable scheme, third bending positions are arranged on third connecting sections of the first fisheye needle and the second fisheye needle, and the positions of the third bending positions of the first fisheye needle and the third connecting sections of the second fisheye needle are flush.

As a preferred scheme, a plurality of positioning holes are formed in the first material belt and are arranged at intervals along the length direction of the material belt.

Preferably, the fisheye part is provided with a pin part, an elastic part, a base part and a connecting shoulder part which are sequentially and integrally connected;

the elastic part comprises a first elastic part and a second elastic part, the first elastic part and the second elastic part are designed in an outer arch shape, the first elastic part and the second elastic part respectively comprise elastic contact sections and oblique extension sections which are respectively and integrally connected with two ends of the elastic contact sections, the end part of one oblique extension section, far away from the elastic contact section, is integrally connected with the pin part, the end part of the other oblique extension section, far away from the elastic contact section, is integrally connected with the base part, and the opposite sides of the elastic contact sections of the first elastic part and the second elastic part are respectively provided with an elastic contact plane; the first elastic part and the second elastic part are oppositely arranged, and fisheye holes are formed between the inner wall surfaces facing each other in a surrounding manner.

Preferably, a first tapered portion is integrally connected to a lower end of the pin portion, and an end periphery side of the first tapered portion is disposed to be gradually reduced toward an end center.

Compared with the prior art, the fish eye needle punching strip has the advantages and beneficial effects that particularly, according to the technical scheme, the fish eye needles with different lengths are alternately arranged on the same strip structure, so that the positions of the fish eye parts of the adjacent fish eye needles are staggered, the distance between the adjacent fish eye needles can be effectively reduced, the area of waste materials on the strip is reduced, meanwhile, different terminals can be obtained by punching the strip once through the fish eye needles, and the punching efficiency is improved;

secondly, through the structural design of the fisheye part of the fisheye needle, the elastic part is gradually reduced towards the pin part, on one hand, one end of the elastic part close to the pin part is more easily elastically contracted when being extruded, and the fisheye needle can be easily inserted into the jack in a labor-saving manner; therefore, the fisheye needle can be easier and more labor-saving when inserted into the jack; on the other hand, because the design of elastic contact section, the one end that the elastic part is close to the basal portion is difficult for taking place elastic shrinkage when extrudeing, and after fisheye needle plug dress targetting in place, the slant extension segment at both ends all can produce great holding power to the elastic contact section, prevents that the fisheye needle from withdrawing from the jack, owing to be the face contact, the pore wall in close contact with the jack finally, connects more firmly, signal transmission is more reliable.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a structural diagram of an embodiment of the present invention;

FIG. 2 is a front view of a fish eye of an embodiment of the utility model;

FIG. 3 is a side view of a fish eye of an embodiment of the utility model;

FIG. 4 is a partial cross-sectional view taken at Y-Y of FIG. 2;

FIG. 5 is a partial cross-sectional view taken at X-X in FIG. 2;

fig. 6 is a view showing the first and second fisheye needles after being bent.

The attached drawings indicate the following:

10. material belt 11 and first material belt

12. The second material belt 13 and the first material distribution belt

14. The second material distributing belt 15 and the third material distributing belt

16. Locating hole

20. First fisheye needle 21 and fisheye part

211. Pin part 212, elastic part

213. Base 214, connecting shoulder

215. First elastic part 216 and second elastic part

217. Resilient contact section 218, obliquely extending section

219. Plane of elastic contact

22. Connecting part 23 and first cutting position

24. Second cutting position 25, fish eye hole

221. First connection section 222 and second connection section

223. Third connecting section 224, first bending position

225. Second bending position 226 and third bending position

227. A first conical portion 30, a second fisheye needle.

Detailed Description

Referring to fig. 1 to 6, specific structures of the embodiments of the present invention are shown.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "upper", "lower", "front", "rear", "left", "right", etc., indicating the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and operation, and should not be construed as limiting the specific scope of the present invention.

Fig. 1 shows a specific structure of the fisheye needles arranged on the tape.

A fisheye needle material belt arrangement structure comprises a material belt 10, and a plurality of first fisheye needles 20 and second fisheye needles 30 which are integrally connected to the material belt 10; the material belt 10 comprises a first material belt 11 and a second material belt 12 which are arranged in parallel at intervals, and the first fisheye needles 20 and the second fisheye needles 30 are alternately arranged at intervals along the length direction of the material belt;

the first fisheye needle 20 and the second fisheye needle 30 both comprise a fisheye part 21 and a connecting part 22 which are integrally connected; the eyelet portion 21 of the first eyelet needle 20 is connected to the second strip of material 12 via the first strip of material 13, and the eyelet portion 21 of the second eyelet needle 30 is connected directly to the second strip of material 12, such that: the fisheye part 21 of the first fisheye needle 20 is far away from the second material belt 12, the fisheye part 21 of the second fisheye needle 30 is close to the second material belt 12, and the positions of the fisheye parts 21 of the adjacent first fisheye needles 20 and the adjacent second fisheye needles 30 are staggered; like this, can effectively reduce the interval of adjacent flake needle, reduce the material area of taking the waste material, simultaneously, once dash the material to flake needle punching press material area and can obtain different terminals, punching press efficiency can promote.

The connecting portion 22 extends towards the first material belt 11, the extending end of the connecting portion 22 keeps a distance from the first material belt 11, the first material belt 11 integrally extends towards the side of the second material belt 12 to form a plurality of second material dividing belts 14, the second material dividing belts 14 are respectively located between the connecting portions 22 of the adjacent first fisheye needles 20 and the adjacent second fisheye needles 30, the two sides of the connecting portions 22 of the first fisheye needles 20 and the adjacent second fisheye needles 30 are respectively provided with a first cutting position 23, and the second material dividing belts 14 are connected to the first cutting positions 23 of the connecting portions 22 of the adjacent first fisheye needles 20 and the adjacent second fisheye needles 30.

Preferably, the connecting portion 22 includes a first connecting section 221, a second connecting section 222 and a third connecting section 223 integrally connected in sequence, one end of the first connecting section 221 is connected to the fisheye portion 21, the other end of the first connecting section 221 is connected to one end of the second connecting section 222, the other end of the second connecting section 222 is connected to one end of the third connecting section 223, and the other end of the third connecting section 223 is used as an extending end of the connecting portion 22; the first cutting position 23 is arranged at the joint of the second connecting section 222 and the third connecting section 223, the second cutting positions 24 are arranged on two sides of the joint of the first connecting section 221 and the second connecting section 222, and the first cutting positions 23 of the adjacent first fisheye needles 20 and the adjacent second fisheye needles 30 are integrally connected through the third material dividing strip 15.

As shown in fig. 1 and 6, a first bending position 224 is provided on the first connecting section 221 of the first fisheye needle 20, and a second bending position 225 is provided on the first connecting section of the second fisheye needle 30, and the distance from the first bending position 224 to the second material strip 12 is greater than the distance from the second bending position 225 to the second material strip 12, so that: the first bending position 224 of the first fisheye needle 20 and the second bending position 225 of the second fisheye needle 30 are staggered. The third connecting sections 223 of the first fisheye needle 20 and the second fisheye needle 30 are respectively provided with a third bending position 226, and the positions of the third bending positions 226 of the first fisheye needle 20 and the second fisheye needle 30 are flush with each other, so that the first fisheye needle 20 and the second fisheye needle 30 can be bent at the third bending positions 226 at one time.

In this embodiment, the first material strap is provided with a plurality of positioning holes 16 arranged along the length direction of the material strap at intervals for better positioning in the subsequent stamping process.

As shown in fig. 2 to 5, the fisheye portion 21 includes a pin portion 211, an elastic portion 212, a base portion 213, and a connection shoulder portion 214, the pin portion 211, the elastic portion 212, the base portion 213, and the connection shoulder portion 214 are sequentially (e.g., from bottom to top) integrated, the base portion 213 is connected to the elastic portion 212, a lower end of the connection shoulder portion 214 is connected to an upper end of the elastic portion 212, a lower end of the elastic portion 212 is connected to an upper end of the pin portion 211, and a lower end of the pin portion 211 is integrally connected to a first tapered portion 227, specifically, an end peripheral side of the first tapered portion 227 is gradually reduced toward an end center, so that the pin portion 211 can be easily inserted into the insertion hole of the PCB.

Specifically, two elastic portions 212 and two connecting shoulders 214 are respectively arranged, the elastic portion 212 includes a first elastic portion 215 and a second elastic portion 216, the connecting shoulder 214 has a first connecting shoulder and a second connecting shoulder, the first elastic portion 215 and the second elastic portion 216 are designed in an outward arched shape, the first elastic portion 215 and the second elastic portion 216 each include an elastic contact section 217 and an oblique extension section 218 respectively integrally connected to both ends of the elastic contact section 217, an end of one oblique extension section 218 away from the elastic contact section 217 is integrally connected to the pin portion 211, an end of the other oblique extension section 218 away from the elastic contact section 217 is integrally connected to the base portion 213, and opposite sides of the elastic contact sections 217 of the first elastic portion 215 and the second elastic portion 216 both have elastic contact planes 219. The first elastic part 215 and the second elastic part 216 are oppositely arranged, and fisheye holes 25 are defined between the inner wall surfaces facing each other, and the fisheye holes 25 are rhombic; when the fisheye 21 is inserted into the jack of the PCB, the elastic contact plane 219 of the first elastic part 215 and the second elastic part 216 forms a surface contact with the jack of the PCB, and compared with the design that the elastic part of the fisheye is point contact in the conventional art, the fisheye of the present embodiment has better insertion and combination stability with the PCB.

The elastic portion 212 is gradually reduced toward the pin portion 211 (i.e. near one end of the pin portion), so that the end of the elastic portion 212 near the pin portion 211 is more easily elastically contracted when being pressed, and thus, the fisheye pin can be easily inserted into the insertion hole with less effort; due to the design of the elastic contact section, one end of the elastic part 212 close to the base part 213 is not easy to elastically contract when being extruded, after the fisheye needle is inserted in place, the inclined extension sections 218 at the two ends can generate larger holding force for the elastic contact section 217, the fisheye needle is prevented from retreating from the jack, and due to the fact that the fisheye needle is in surface contact with the jack wall, the fisheye needle is always in close contact with the jack wall, connection is firmer, and signal transmission is more reliable. The lower end of the first connecting shoulder is connected to the upper end of the first elastic portion 215, the lower end of the second connecting shoulder is connected to the upper end of the second elastic portion 216, and the first connecting shoulder and the second connecting shoulder are respectively located above the eyelet 25.

As shown in fig. 5, the first elastic part has a first circular arc contact area and a first circular arc chamfered area,

the second elastic part is provided with a second arc contact area and a second arc chamfer area, the first arc chamfer area and the second arc chamfer area are respectively positioned at two sides of the first arc contact area and the second arc contact area, and the first elastic part and the second elastic part are symmetrically arranged.

The connecting portion have a plug pin district and spacing portion, plug pin district and spacing position body structure, first connecting shoulder and second connecting shoulder connect respectively in spacing portion, the upper end in plug pin district is big end down's second toper portion, and the design of this place is trapezoidal frustum, makes things convenient for the grafting in plug pin district to use.

The design of the utility model is characterized in that the fisheye needles with different lengths are alternately arranged on the same material belt structure, so that the positions of the fisheye parts of the adjacent fisheye needles are staggered, the space between the adjacent fisheye needles can be effectively reduced, the area of waste materials on the material belt is reduced, meanwhile, different terminals can be obtained by punching the material belt by the fisheye needles once, and the punching efficiency is improved;

Claims

1. The utility model provides a fisheye needle material area arrangement structure which characterized in that: comprises a material belt and a plurality of first fisheye needles and second fisheye needles which are integrally connected on the material belt; the material belt comprises a first material belt and a second material belt which are arranged in parallel at intervals, and the first fisheye needles and the second fisheye needles are alternately arranged at intervals along the length direction of the material belt;

the first fisheye needle and the second fisheye needle comprise fisheye parts and connecting parts which are integrally connected; the fisheye part of the first fisheye needle is connected to the second material belt through the first material distribution belt, and the fisheye part of the second fisheye needle is directly connected to the second material belt, so that: the fisheye part of the first fisheye needle is far away from the second material belt, the fisheye part of the second fisheye needle is close to the second material belt, and the fisheye positions of the adjacent first fisheye needle and the second fisheye needle are staggered.

2. The fisheye needle material strip arrangement structure of claim 1, wherein: connecting portion extend towards first material area, and the extension end of connecting portion keeps the interval with first material area, first material area has a plurality of second branch materials area towards the integrative extension in second material area place side, the second divides the material area to be located respectively between the connecting portion of adjacent first flake needle and second flake needle, and the both sides of the connecting portion of first flake needle and second flake needle all have the first position of cutting, the second divides the material area to be connected to the first position of cutting of the connecting portion of adjacent first flake needle and second flake needle.

3. The fisheye needle material strip arrangement structure of claim 2, wherein: the connecting part comprises a first connecting section, a second connecting section and a third connecting section which are sequentially and integrally connected, one end of the first connecting section is connected to the fisheye part, the other end of the first connecting section is connected to one end of the second connecting section, the other end of the second connecting section is connected to one end of the third connecting section, and the other end of the third connecting section is used as an extending tail end of the connecting part; the first cutting position is arranged at the joint of the second connecting section and the third connecting section, the second cutting positions are arranged on two sides of the joint of the first connecting section and the second connecting section, and the first cutting positions of the adjacent first fisheye needles and the adjacent second fisheye needles are integrally connected through the third dividing belt.

4. The fisheye needle material strip arrangement structure of claim 3, wherein: be provided with the first position of buckling on the first linkage segment of first flake needle, be provided with the second position of buckling on the first linkage segment of second flake needle, the first position of buckling is greater than the second position of buckling from the distance in second material area for: the first bending position of the first fisheye needle and the second bending position of the second fisheye needle form dislocation.

5. The fisheye needle material strip arrangement structure of claim 3, wherein: and third bending positions are arranged on the third connecting sections of the first fisheye needle and the second fisheye needle, and the positions of the third bending positions of the first fisheye needle and the second fisheye needle are flush.

6. The fisheye needle material strip arrangement structure of claim 1, wherein: the first material belt is provided with a plurality of positioning holes which are arranged at intervals along the length direction of the material belt.

7. The fisheye needle material strip arrangement structure of claim 1, wherein: the fisheye part is provided with a pin part, an elastic part, a base part and a connecting shoulder part which are sequentially and integrally connected;

8. The fisheye needle material strip arrangement structure of claim 7, wherein: the lower extreme of pin portion is connected with first toper portion an organic whole, the tip week side of first toper portion sets up towards the tip center taper.