CN221447481U - Welding terminal - Google Patents
Welding terminal Download PDFInfo
- Publication number
- CN221447481U CN221447481U CN202323170654.2U CN202323170654U CN221447481U CN 221447481 U CN221447481 U CN 221447481U CN 202323170654 U CN202323170654 U CN 202323170654U CN 221447481 U CN221447481 U CN 221447481U
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- CN
- China
- Prior art keywords
- welding
- welding terminal
- shaped
- area
- wire
- 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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- 238000003466 welding Methods 0.000 title claims abstract description 91
- 239000004020 conductor Substances 0.000 claims abstract description 23
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000001788 irregular Effects 0.000 claims abstract description 9
- 238000005476 soldering Methods 0.000 claims abstract description 8
- 238000002788 crimping Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000007747 plating Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The utility model discloses a welding terminal, which belongs to the technical field of electronic components and comprises a wire welded on a welding terminal body through soldering, wherein the welding terminal body is fixed on a press-connection piece, the welding terminal body comprises a welded area and a press-connection area which are integrally connected from top to bottom, the welded area is of an irregular U-shaped structure, and an observation hole is formed in the welded area. The welding terminal body is provided with the circular through hole at the bottom of the welding area, when the welding area is welded with the lead, the soldering tin wire is oozed out of the observation hole after being melted, so that the welding quality of the lead conductor and the welding area is improved in inspectability, the connection reliability between the lead conductor and the welding terminal body is ensured, and the welding terminal has the advantages of simple structure and convenience in use.
Description
Technical Field
The utility model belongs to the technical field of electronic components, and particularly relates to a welding terminal.
Background
At present, a large number of electric products adopt welding terminals as conductive components, and lead wires are welded with the welding terminals, so that the conductive effect is achieved. However, the bottom of the welding spot of the existing welding terminal is shielded, so that the welding tin melting condition at the bottom of the welding spot cannot be observed. When the welding temperature and the welding time are insufficient, the molten soldering tin cannot permeate to the bottom of the welding point of the welding terminal, so that the cold joint exists between the lead and the welding terminal, and accidents are caused.
The Chinese patent publication No. CN204315756U discloses a terminal structure which is favorable for welding, and comprises a welding pin and a wire connecting clamp, wherein the welding pin is in a convex polyhedron, each side of the lower end surface of the welding pin is provided with a chamfer or a rounding, and the joint of the welding pin and the wire connecting clamp is provided with a transversely extending limiting block. The utility model has the advantages that the shape of the pin part used for welding is a convex polyhedron, the soldering tin is fully clung to the outer surface of the pin in the climbing process, the welding qualification rate is effectively improved, and the production efficiency is improved. However, this structure does not provide an observation area, and cannot solve the technical problem of this solution.
Disclosure of utility model
In order to solve the above problems, the present utility model aims to provide a welding terminal.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: a welding terminal includes a wire welded to a welding terminal body by soldering, the welding terminal body being fixed to a crimp member,
The welding terminal body comprises a welded area and a crimped area which are integrally connected from top to bottom, the welded area is of an irregular U-shaped structure, and an observation hole is formed in the welded area.
Preferably, the welding terminal body is made of copper, and the surface is subjected to tin plating treatment.
Preferably, the welded area is an irregular U-shaped structure formed by bending a straight metal plate, the irregular U-shaped structure comprises a U-shaped plate and a connecting end, the U-shaped plate comprises symmetrical two side surfaces and an upper end surface, and an observation hole is formed in the upper end surface;
The connecting end is a horn-shaped clamping groove, two outer side walls of the horn-shaped clamping groove are of slide structures, and the narrow end of the horn-shaped clamping groove is connected with a crimped area.
Preferably, the crimped region is a circular disk with an O-shaped hole in the center, and the size of the O-shaped hole is matched with a stud adopted on the crimping piece.
Preferably, the narrow end of the horn-shaped clamping groove is connected with the side end of the disc-shaped crimped region.
Preferably, the shape of the viewing aperture includes, but is not limited to, circular.
Preferably, the O-shaped hole of the crimped region passes through a stud arranged on the crimping member, and is then pressed above the crimped region by a nut for fixing, and the lower end surface of the crimped region is completely attached to the surface of the crimping member.
Preferably, the wire comprises a wire conductor and a wire insulation sheath wrapped at the outer end of the wire conductor, and a wire conductor which does not wrap the wire insulation sheath is left on the wire as a welding part.
Preferably, the welding part left on the wire and the welded area are lined with metal tin, and the welding part of the wire conductor is spliced in the U-shaped structure clamping groove of the welded area.
Compared with the prior art, the utility model has the following advantages: the welding terminal body is provided with the circular through hole at the bottom of the welding area, when the welding area is welded with the lead, the soldering tin wire is oozed out of the observation hole after being melted, so that the welding quality of the lead conductor and the welding area is improved in inspectability, the connection reliability between the lead conductor and the welding terminal body is ensured, and the welding terminal has the advantages of simple structure and convenience in use.
Drawings
In order to more clearly illustrate the technical solutions of specific embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.
FIG. 1 is a schematic view of a solder terminal structure according to the present utility model;
FIG. 2 is a turn-up view of FIG. 1;
FIG. 3 is a schematic view of a welding terminal body according to the present utility model;
FIG. 4 is a schematic diagram of a wire structure according to the present utility model;
FIG. 5 is a schematic view of the structure of the present utility model when in compression bonding;
In the figure, 1-welding the terminal body; 11-a welded area; 12-observation hole; 13-crimped region; 2-conducting wires; 21-a wire insulation sheath; 22-wire conductors; 3-crimping member.
Detailed Description
The present utility model will be further described with reference to the drawings and the specific embodiments, but it should not be construed that the scope of the subject matter of the present utility model is limited to the following embodiments, and various modifications, substitutions and alterations made according to the ordinary skill and familiar means of the art to which this utility model pertains are included within the scope of the present utility model without departing from the above technical idea of the utility model.
Referring to fig. 1-3, the welding terminal body 1 includes a welding terminal welded area 11, an observation hole 12, and a welding terminal crimped area 13, wherein the welding terminal welded area 11 is disposed at an upper end of the welding terminal body 1, the welding terminal welded area 11 is in a U-shaped structure, the observation hole 12 is disposed at a bottom of the welding terminal welded area 11, and the observation hole 12 is a circular through hole for observing solder heating condition at the bottom of the welding terminal welded area 11. The welding terminal is pressed and connected with the lower end of the welding terminal body 1 through the pressing area 13, the welding terminal is pressed and connected with the lower end of the welding terminal body 1 through the round through hole arranged in the center of the stud, and the nut is pressed above the welding terminal pressed and connected with the welding terminal body 13 through the round through hole.
The concrete structure is as follows: the welded area 11 is an irregular U-shaped structure formed by bending a flat metal plate, the irregular U-shaped structure comprises a U-shaped plate and a connecting end, the U-shaped plate comprises symmetrical two side surfaces and an upper end surface, and an observation hole 12 is formed in the upper end surface; the connecting end is a horn-shaped clamping groove, two outer side walls of the horn-shaped clamping groove are of slide structures, and the narrow end of the horn-shaped clamping groove is connected with the crimped region 13. The crimped region 13 is a circular disk with an O-shaped hole in the center, and the size of the O-shaped hole is matched with a stud adopted on the crimping piece 3. The narrow end of the horn-shaped clamping groove is connected with the side end of the disc-shaped crimped region 13. The O-shaped hole of the crimped region 13 passes through the stud arranged on the crimp member 3, and is then pressed above the crimped region 13 by using the nut for fixation, and the lower end surface of the crimped region 13 is completely attached to the surface of the crimp member 3.
Referring to fig. 4 to 5, the wire 2 includes a wire conductor 22 and a wire insulation sheath 21 wrapped around the outer end of the wire conductor 22, and a wire conductor 22, which does not wrap around the wire insulation sheath 21, is left on the wire 2 as a welded portion. The welding part left on the wire 2 and the welded area 11 are lined with metal tin, and the welding part of the wire conductor 22 is inserted into the U-shaped structure clamping groove of the welded area 11
Working principle: the soldered area 11 of the soldered terminal and the wire conductor 22 are lined with metallic tin; the wire conductor 22 is inserted into the welded terminal welded area 11, the heat source is welded by metal tin when the welded terminal welded area 11 touches the wire conductor 22, after the welding is finished, the condition of the welding part of the metal tin is checked through the observation hole 12, the metal tin oozes out from the observation hole 12, the heat source is fully welded to the bottom of the wire conductor 22, and the soldering tin is fully permeated.
When the heating temperature and time of the heat source are insufficient, metallic tin between the soldered region 11 of the soldered terminal and the wire conductor 22 is liable to be insufficiently melted into a whole, and there is a cold joint at the soldered portion. Through set up the observation hole 12 in welding terminal by welding regional 11 bottom, can be audio-visual observe the welding terminal by welding regional 11 and wire conductor 22 between the molten condition of metallic tin during processing, improve the reliability of welding, have simple structure, weld strength good and convenient to use's advantage.
The above description of a welding terminal provided by the present utility model has been provided in detail, and specific examples are applied herein to illustrate the structure and working principle of the present utility model, and the above description of the embodiments is only for helping to understand the method and core idea of the present utility model. It should be noted that it will be apparent to those skilled in the art that various improvements and modifications can be made to the present utility model without departing from the principles of the utility model, and such improvements and modifications fall within the scope of the appended claims.
Claims (9)
1. A welding terminal, characterized in that: comprises a wire (2) welded on a welding terminal body (1) through soldering, the welding terminal body (1) is fixed on a crimping piece (3),
The welding terminal body (1) comprises a welded area (11) and a crimped area (13) which are integrally connected from top to bottom, the welded area (11) is of an irregular U-shaped structure, and an observation hole (12) is formed in the welded area (11).
2. A welding terminal as defined in claim 1, wherein: the welding terminal body (1) is made of copper, and the surface of the welding terminal body is subjected to tin plating treatment.
3. A welding terminal as defined in claim 1, wherein: the welded area (11) is of an irregular U-shaped structure formed by bending a straight metal plate, the irregular U-shaped structure comprises a U-shaped plate and a connecting end, the U-shaped plate comprises symmetrical two side surfaces and an upper end surface, and an observation hole (12) is formed in the upper end surface;
The connecting end is a horn-shaped clamping groove, two outer side walls of the horn-shaped clamping groove are of slide structures, and the narrow end of the horn-shaped clamping groove is connected with a crimped region (13).
4. The welding terminal of claim 1, wherein: the crimped region (13) is a circular disc with an O-shaped hole at the center, and the size of the O-shaped hole is matched with a stud adopted on the crimping piece (3).
5. A welding terminal as defined in claim 3, wherein: the narrow end of the horn-shaped clamping groove is connected with the side end of a disc-shaped crimped area (13).
6. The welding terminal of claim 1, wherein: the observation hole (12) is circular in shape.
7. The welding terminal of claim 1, wherein: the O-shaped hole of the crimped region (13) penetrates through the stud arranged on the crimping piece (3), and then is pressed above the crimped region (13) by using the nut to fix, and the lower end face of the crimped region (13) is completely attached to the surface of the crimping piece (3).
8. The welding terminal of claim 1, wherein: the wire (2) comprises a wire conductor (22) and a wire insulation sheath (21) wrapping the outer end of the wire conductor (22), and a section of wire conductor (22) which does not wrap the wire insulation sheath (21) is reserved on the wire (2) as a welding part.
9. The welding terminal of claim 8, wherein: and the welding part reserved on the lead (2) and the welded area (11) are lined with metal tin, and the welding part of the lead conductor (22) is inserted into the U-shaped structure clamping groove of the welded area (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323170654.2U CN221447481U (en) | 2023-11-23 | 2023-11-23 | Welding terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323170654.2U CN221447481U (en) | 2023-11-23 | 2023-11-23 | Welding terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221447481U true CN221447481U (en) | 2024-07-30 |
Family
ID=92062902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323170654.2U Active CN221447481U (en) | 2023-11-23 | 2023-11-23 | Welding terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221447481U (en) |
-
2023
- 2023-11-23 CN CN202323170654.2U patent/CN221447481U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |