CN216214572U - Welding structure of grounding terminal and shell of connector - Google Patents
Welding structure of grounding terminal and shell of connector Download PDFInfo
- Publication number
- CN216214572U CN216214572U CN202122305334.8U CN202122305334U CN216214572U CN 216214572 U CN216214572 U CN 216214572U CN 202122305334 U CN202122305334 U CN 202122305334U CN 216214572 U CN216214572 U CN 216214572U
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- China
- Prior art keywords
- shell
- side wall
- housing
- welding structure
- terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000003466 welding Methods 0.000 title claims abstract description 49
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000005476 soldering Methods 0.000 claims description 15
- 239000003292 glue Substances 0.000 claims description 10
- 238000001746 injection moulding Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model discloses a welding structure of a grounding terminal and a shell of a connector, which comprises a shell, a plastic seat and a terminal group, wherein the terminal group is arranged in the plastic seat, and the shell is coated outside the plastic seat; the terminal group comprises a grounding terminal, and the grounding terminal is provided with an extension part which is arranged towards the side wall of the shell; the side wall of the shell is provided with a through groove which penetrates through the inner side and the outer side of the side wall and the rear end of the side wall, and a tin containing concave position is arranged on the outer surface of the side wall and corresponds to the side of the through groove; the extending part penetrates through the through groove and is protruded out of the outer surface of the side wall, and the protruded part of the extending part is welded and fixed with the tin accommodating concave position on the side wall. Therefore, the extending part penetrates through the through groove to be convexly exposed on the outer surface of the side wall, so that the convex exposed part of the extending part is welded and fixed with the tin containing concave position on the side wall, and the grounding terminal and the shell are stably welded.
Description
Technical Field
The utility model relates to the technical field of connectors, in particular to a welding structure of a grounding terminal and a shell of a connector.
Background
At present, connectors are widely used, for example, USB connectors are used, electronic products such as mobile phones and computers have become necessities in people's lives, and the USB connectors are needed for data transmission and charging between the electronic products.
Later, studies have been made to eliminate the need for separately welding the iron case by welding the ground terminal and the iron case to be grounded, but in actual production, because the grounding terminal is bent towards the inner part of the shell through the extending area extending on the shell, the bent part is welded on the front section area of the welding part of the grounding terminal, the subsequent core wire is welded on the rear section area of the welding part, the welding structure ensures the welding stability of the bending part of the shell and the front section area of the welding part, the normal welding area of the core wire is obviously reduced, which is not favorable for ensuring the welding stability of the core wire and the grounding terminal, and if the bending part of the shell is welded with only a small part of the front section area of the welding part, when the subsequent connector is used, due to shaking, vibration and the like, the welding points of the shell and the grounding terminal are often loosened, so that the shell cannot be effectively grounded.
Therefore, a new technical solution needs to be developed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a soldering structure for a grounding terminal and a housing of a connector, in which an extending portion passes through a through-slot and protrudes out of an outer surface of a sidewall, so that the protruding portion of the extending portion and a tin-containing recess on the sidewall are soldered and fixed, thereby achieving a stable soldering between the grounding terminal and the housing.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a welding structure of a grounding terminal and a shell of a connector comprises a shell, a plastic seat and a terminal group, wherein the terminal group is arranged in the plastic seat, and the shell is coated outside the plastic seat; the terminal group comprises a grounding terminal, and the grounding terminal is provided with an extension part which is arranged towards the side wall of the shell; the side wall of the shell is provided with a through groove which penetrates through the inner side and the outer side of the side wall and the rear end of the side wall, and a tin containing concave position is arranged on the outer surface of the side wall and corresponds to the side of the through groove; the extending part penetrates through the through groove and is protruded out of the outer surface of the side wall, and the protruded part of the extending part is welded and fixed with the tin accommodating concave position on the side wall.
Preferably, the tin containing concave position is arranged around the protruding and exposing part of the extension part, and the upper side, the lower side, the front side and the rear side of the protruding and exposing part of the extension part are fixedly connected with the tin containing concave position through soldering tin.
As a preferable scheme, a plurality of convex points or concave points are densely distributed in the tin containing concave positions.
Preferably, the tin containing concave position is formed by thinning the outer surface of the side wall.
Preferably, the extending part is in a concave shape and is provided with two convex parts arranged at a front-back interval and a concave part positioned between the two convex parts, and the two convex parts are exposed out of the outer surface of the side wall of the shell and are welded and fixed with the tin containing concave part.
Preferably, the ground terminal has a contact portion, a fixing portion and a soldering portion which are sequentially arranged from front to back, an outer side edge of the soldering portion integrally extends outward to form a widened portion, and the extending portion integrally extends outward from the outer side edge of the widened portion; the welding part is exposed at the rear end of the plastic seat and is positioned in the shell.
Preferably, the terminal set and the plastic seat are fixed by injection molding, and the widened portion is embedded in the plastic seat.
As a preferable scheme, the widened portion is provided with a glue passing hole, and the glue of the plastic seat is filled into the glue passing hole.
Preferably, a guide surface is arranged at the inlet of the rear end of the shell corresponding to the through groove.
Preferably, the housing has a top wall, a bottom wall, a left wall and a right wall, and the side wall is the left wall or the right wall.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, concretely, the technical scheme is that the extending part penetrates through the through groove and is convexly exposed on the outer surface of the side wall, so that the convex exposed part of the extending part and the tin-containing concave position on the side wall are welded and fixed, and the grounding terminal and the shell are stably welded;
secondly, the tin containing concave position is formed by thinning the outer surface of the side wall, so that the exposed size of the extending part is increased, and tin dropping operation of a tin soldering worker is facilitated; and, through being "concave" style of calligraphy with the extension, improve the combination steadiness of soldering tin and extension, the welding reliability is better.
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 perspective view of an assembled structure of an embodiment of the present invention;
FIG. 2 is an enlarged fragmentary view of FIG. 1;
FIG. 3 is a schematic view of a terminal set fixed in a plastic seat by injection molding according to an embodiment of the present invention;
FIG. 4 is a diagram illustrating a structure of a terminal set according to an embodiment of the present invention;
FIG. 5 is a partial structural view of the extended portion and the shell after soldering the tin-containing recess.
The attached drawings indicate the following:
Tin-containing concave position 13 bump (or concave point) 14
Extended part 312 of clamping point 311
Convex portion 3121 and concave portion 3122
Contact 301 fixing portion 302
Widened portion 304 of welding portion 303
The glue holes 305 allow the solder 40 to flow.
Detailed Description
Referring to fig. 1 to 5, specific structures of embodiments of the present invention are shown.
A welding structure of a grounding terminal and a shell of a connector comprises a shell 10, a plastic seat 20 and a terminal group 30, wherein the terminal group 30 is arranged in the plastic seat 20, and the shell 10 is coated outside the plastic seat 20.
The terminal group 30 includes a ground terminal 31, and the ground terminal 31 has an extension 312 disposed toward the sidewall 11 of the housing 10; a through groove 12 penetrating through the inner and outer side of the side wall 11 and the rear end of the side wall 11 is formed in the side wall 11 of the shell 10, and a tin containing concave position 13 is formed on the outer surface of the side wall 11 and beside the through groove 12; the extension 312 passes through the through slot 12 and protrudes out of the outer surface of the side wall 11, and the protruding part of the extension 312 is welded and fixed with the tin containing recess 13 on the side wall 11. Generally, the housing 10 has a top wall, a bottom wall, a left wall and a right wall, the side wall 11 is the left wall or the right wall, and a guide surface 121 is disposed at an entrance of the rear end of the housing 10 corresponding to the through slot 12, so as to facilitate smooth assembly of the plastic seat and the housing 10.
Referring to fig. 2 and 5, the tin containing recess 13 is disposed around the protruding portion of the extending portion 312, and the upper, lower, front, and rear sides of the protruding portion of the extending portion 312 are connected and fixed with the tin containing recess 13 through solder 40. And a plurality of salient points 14 or concave points are densely distributed in the tin containing concave positions 13. The extending part 312 is in a shape of a Chinese character 'ao', and is provided with two convex parts 3121 arranged at a front-back interval and a concave part 3122 positioned between the two convex parts 3121, the two convex parts 3121 are convexly exposed out of the outer surface of the side wall 11 of the outer shell 10 and are welded and fixed with the tin containing concave position 13; the welding combination area is large, the welding combination is formed around the extension part 312 in all directions, the combination stability of the soldering tin 40 and the extension part 312 is effectively improved, and the welding reliability is better. Here, the tin containing concave position 13 is formed by thinning the outer surface of the side wall 11, so that the exposed size of the extending part 312 is increased, and tin dropping operation by a tin soldering person is facilitated;
the ground terminal 31 has a contact portion 301, a fixing portion 302 and a soldering portion 303 sequentially arranged from front to back, an outer side edge of the soldering portion 303 integrally extends outward to form a widened portion 304, and an extending portion 312 integrally extends outward from an outer side edge of the widened portion 304; the welding portion 303 is normally exposed at the rear end of the plastic seat 20 and located inside the housing 10, and is arranged side by side with the welding portions of other terminals at intervals, and the welding portion 303 of the ground terminal 31 is used for welding the core wires of the corresponding wires. The terminal set 30 and the plastic seat 20 are fixed by injection molding, and the widened portion 304 is embedded in the plastic seat 20. The widened portion 304 is provided with a glue passing hole 305, and the glue of the plastic seat 20 is filled into the glue passing hole 305. Like this for the bonding strength of widened portion 304 and plastic seat 20 is better, further promotes the stretching resistance of extension 312, is favorable to guaranteeing welding quality, is difficult for appearing the welding position pine phenomenon when rocking, vibrations.
In this embodiment, the ground terminal 31 further has a fastening point 311 disposed toward the inner wall of the housing 10, and the fastening point 311 is located in front of the extending portion 312; the contact points 311 form an interference-fit electrical connection with the inner surface of the side wall 11 of the housing 10, so that the ground terminal 31 forms a double connection with the housing 10.
The design of the utility model is characterized in that the extension part 312 penetrates through the through groove 12 and is protruded out of the outer surface of the side wall 11, so that the protruded part of the extension part 312 is welded and fixed with the tin-containing concave position 13 on the side wall 11, thus the stable welding between the grounding terminal 31 and the shell 10 is realized, meanwhile, as the shell 10 does not occupy the upper area of the normal welding part of the grounding terminal 31, the welding between the grounding terminal 31 and the core wire is not affected, the welding between the core wire and the grounding terminal 31 is ensured to be stable, thus, the shell 10 is welded with the core wire by the grounding terminal 31, and the step and the material of welding a welding wire on the shell 10 are saved;
secondly, the tin containing concave position 13 is formed by thinning the outer surface of the side wall 11, so that the exposed size of the extension part 312 is increased, and tin dropping operation of a tin soldering worker is facilitated; and, through making extension 312 "concave" style of calligraphy, improve the bonding steadiness of soldering tin and extension 312, the welding reliability is better.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (10)
1. A welding structure of a grounding terminal and a shell of a connector comprises a shell, a plastic seat and a terminal group, wherein the terminal group is arranged in the plastic seat, and the shell is coated outside the plastic seat; the method is characterized in that: the terminal group comprises a grounding terminal, and the grounding terminal is provided with an extension part which is arranged towards the side wall of the shell; the side wall of the shell is provided with a through groove which penetrates through the inner side and the outer side of the side wall and the rear end of the side wall, and a tin containing concave position is arranged on the outer surface of the side wall and corresponds to the side of the through groove; the extending part penetrates through the through groove and is protruded out of the outer surface of the side wall, and the protruded part of the extending part is welded and fixed with the tin accommodating concave position on the side wall.
2. The welding structure of the ground terminal and the housing of the connector according to claim 1, wherein: the tin containing concave position is arranged around the convex exposing part of the extending part, and the upper side, the lower side, the front side and the rear side of the convex exposing part of the extending part are fixedly connected with the tin containing concave position through soldering tin.
3. The welding structure of the ground terminal and the housing of the connector according to claim 1, wherein: and a plurality of salient points or concave points are densely distributed in the tin containing concave positions.
4. The welding structure of the ground terminal and the housing of the connector according to claim 1, wherein: the tin containing concave position is formed by thinning the outer surface of the side wall.
5. The welding structure of the ground terminal of the connector and the housing according to any one of claims 1 to 4, wherein: the extending part is in a concave shape and is provided with two convex parts arranged at a front-back interval and a concave part positioned between the two convex parts, and the two convex parts are convexly exposed out of the outer surface of the side wall of the shell and are welded and fixed with the tin containing concave part.
6. The welding structure of the ground terminal and the housing of the connector according to claim 1, wherein: the grounding terminal is provided with a contact part, a fixing part and a welding part which are sequentially arranged from front to back, the outer side edge of the welding part integrally extends outwards to form a widened part, and the extending part integrally extends outwards from the outer side edge of the widened part; the welding part is exposed at the rear end of the plastic seat and is positioned in the shell.
7. The welding structure of the ground terminal and the housing of the connector according to claim 6, wherein: the terminal group and the plastic seat are fixed through injection molding, and the widened part is embedded in the plastic seat.
8. The welding structure of the ground terminal of the connector and the housing according to claim 7, wherein: the widened part is provided with a glue passing hole, and the glue material of the plastic seat is filled into the glue passing hole.
9. The welding structure of the ground terminal and the housing of the connector according to claim 1, wherein: and a guide surface is arranged at the inlet of the rear end of the shell corresponding to the through groove.
10. The welding structure of the ground terminal and the housing of the connector according to claim 1, wherein: the shell is provided with a top wall, a bottom wall, a left wall and a right wall, and the side wall is the left wall or the right wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122305334.8U CN216214572U (en) | 2021-09-23 | 2021-09-23 | Welding structure of grounding terminal and shell of connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122305334.8U CN216214572U (en) | 2021-09-23 | 2021-09-23 | Welding structure of grounding terminal and shell of connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216214572U true CN216214572U (en) | 2022-04-05 |
Family
ID=80921505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122305334.8U Active CN216214572U (en) | 2021-09-23 | 2021-09-23 | Welding structure of grounding terminal and shell of connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216214572U (en) |
-
2021
- 2021-09-23 CN CN202122305334.8U patent/CN216214572U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 523000, No. 138 Gangjian Road, Changping Town, Dongguan City, Guangdong Province Patentee after: Lianji Precision Electronics Co.,Ltd. Country or region after: China Address before: 523000 room 212, building 3, No. 42, Muxuan Chuangye 1st Road, Changping Town, Dongguan City, Guangdong Province Patentee before: Guangdong Lianji Precision Industry Co.,Ltd. Country or region before: China |