CN209786200U - Contact piece welding structure of cable short circuit - Google Patents
Contact piece welding structure of cable short circuit Download PDFInfo
- Publication number
- CN209786200U CN209786200U CN201920751003.7U CN201920751003U CN209786200U CN 209786200 U CN209786200 U CN 209786200U CN 201920751003 U CN201920751003 U CN 201920751003U CN 209786200 U CN209786200 U CN 209786200U
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- cable
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- contact element
- core wire
- cup
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Abstract
The utility model provides a contact welding structure of a cable short circuit, which comprises a first cable and a second cable; the cable connector comprises a straight cylindrical contact element, a first core wire and a second core wire in a first cable and a second cable are respectively inserted into the contact element from two ends of the contact element, a first welding cup is arranged at one end of the contact element close to the first cable, and a second welding cup is arranged at one end of the contact element close to the second cable. The utility model arranges the welding cups at the two ends of the contact element along the axial direction, and the side wall of the welding cup is provided with a gap communicated with the welding cup; the core wires of the cable are respectively inserted into the welding cups at the two ends and fusion-welded, when the cable is subjected to axial and radial acting forces relative to the cable, the soldering tin in the welding cups can block the acting forces, the reliability of connection between the cable and the cable is improved, and the cable welding device has the advantages of simple structure, good welding strength and convenience in use.
Description
Technical Field
The utility model relates to a contact welded structure of cable short circuit belongs to electric connector technical field.
Background
The connection form of cable short circuit is various, mainly according to the occasion of difference, selects suitable connection form to realize being connected between cable and the cable, and the form of cable short circuit mainly has splice formula, lap welding formula.
The connection form of current cable short circuit generally is the lap welding formula, and the problem that exists is, the effective weld area undersize between cable and the cable, and easily forms the crater after the welding is accomplished, especially when towards cable axial and radial atress, easily leads to the soldering tin between cable and the cable to tear, takes place the cable and drops, causes the accident.
SUMMERY OF THE UTILITY MODEL
in order to solve the technical problem, the utility model provides a contact welded structure of cable short circuit, the contact welded structure of this cable short circuit can effectively improve the reliability of being connected between cable and the cable, and simple structure, welding strength are good, convenient to use.
The utility model discloses a following technical scheme can realize.
The utility model provides a contact welding structure of a cable short circuit, which comprises a first cable and a second cable; the cable connector comprises a straight cylindrical contact element, a first core wire and a second core wire in a first cable and a second cable are respectively inserted into the contact element from two ends of the contact element, a first welding cup is arranged at one end of the contact element close to the first cable, and a second welding cup is arranged at one end of the contact element close to the second cable.
One end of the contact piece close to the first cable is provided with a first oval opening which is communicated with the first welding cup.
And a second elliptical notch is formed in one end, close to the second cable, of the contact element, and the second elliptical notch is communicated with the second welding cup.
And the first core wire and the second core wire are both enameled with metal tin.
The first core wire is arranged in the first welding cup, and the heat source is in contact with the first welding cup through the first oval notch to be welded with the first core wire.
The second core wire is arranged in the first welding cup, and the heat source is contacted with the second welding cup through the second oval gap to be welded with the second core wire.
The beneficial effects of the utility model reside in that: welding cups are arranged at two ends of the contact element along the axial direction, and openings communicated with the welding cups are arranged on the side walls of the welding cups; the core wires of the cable are respectively inserted into the welding cups at the two ends and fusion-welded, when the cable is subjected to axial and radial acting forces relative to the cable, the soldering tin in the welding cups can block the acting forces, the reliability of connection between the cable and the cable is improved, and the cable welding device has the advantages of simple structure, good welding strength and convenience in use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
Fig. 2 is a schematic view of the structure of the contact of fig. 1.
In the figure: 1-contact piece, 2-first cable, 3-second cable, 11-first welding cup, 12-second welding cup, 13-first oval gap, 14-second oval gap, 21-first core wire and 31-second core wire.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
A contact welding structure for cable short circuit shown in figures 1 and 2 comprises a first cable 2 and a second cable 3; the contact element comprises a straight cylindrical contact element 1, wherein a first core wire 21 and a second core wire 31 in a first cable 2 and a second cable 3 are respectively inserted into the contact element 1 from two ends of the contact element 1, a first welding cup 11 is arranged at one end, close to the first cable 2, of the contact element 1, and a second welding cup 12 is arranged at one end, close to the second cable 3, of the contact element 1.
One end of the contact element 1 close to the first cable 2 is provided with a first elliptical notch 13, and the first elliptical notch 13 is communicated with the first welding cup 11.
One end of the contact element 1 close to the second cable 3 is provided with a second elliptical notch 14, and the second elliptical notch 14 is communicated with the second welding cup 12.
The first core wire 21 and the second core wire 31 are both enameled with metal tin.
The first core wire 21 is arranged in the first welding cup 11, and the heat source is contacted with the first welding cup 11 through the first oval notch 13 and is welded with the first core wire 21.
The second core wire 31 is arranged in the first welding cup 11, and the heat source is contacted with the second welding cup 12 through the second oval gap 14 to be welded with the second core wire 31.
Therefore, when the cable is subjected to axial and radial acting force relative to the cable, the soldering tin in the soldering cup blocks the acting force, the reliability of connection between the cable and the cable is improved, and the cable soldering cup has the advantages of simple structure, good soldering strength and convenience in use.
Claims (6)
1. A contact welded structure of cable short circuit, includes first cable (2) and second cable (3), its characterized in that: the cable connector comprises a straight cylindrical contact element (1), a first core wire (21) and a second core wire (31) in a first cable (2) and a second cable (3) are respectively inserted into the contact element (1) from two ends of the contact element (1), a first welding cup (11) is arranged at one end, close to the first cable (2), of the contact element (1), and a second welding cup (12) is arranged at one end, close to the second cable (3), of the contact element (1).
2. The cable-shorted contact bonding structure of claim 1, wherein: one end of the contact element (1) close to the first cable (2) is provided with a first elliptical notch (13), and the first elliptical notch (13) is communicated with the first welding cup (11).
3. The cable-shorted contact bonding structure of claim 1, wherein: one end of the contact element (1) close to the second cable (3) is provided with a second elliptical notch (14), and the second elliptical notch (14) is communicated with the second welding cup (12).
4. The cable-shorted contact bonding structure of claim 1, wherein: the first core wire (21) and the second core wire (31) are both enameled with metal tin.
5. The cable-shorted contact bonding structure of claim 1, wherein: the first core wire (21) is arranged in the first welding cup (11), and a heat source is contacted with the first welding cup (11) through the first oval gap (13) and is welded with the first core wire (21).
6. The cable-shorted contact bonding structure of claim 1, wherein: the second core wire (31) is arranged in the first welding cup (11), and a heat source is contacted with the second welding cup (12) through the second oval gap (14) to be welded with the second core wire (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920751003.7U CN209786200U (en) | 2019-05-23 | 2019-05-23 | Contact piece welding structure of cable short circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920751003.7U CN209786200U (en) | 2019-05-23 | 2019-05-23 | Contact piece welding structure of cable short circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209786200U true CN209786200U (en) | 2019-12-13 |
Family
ID=68788134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920751003.7U Active CN209786200U (en) | 2019-05-23 | 2019-05-23 | Contact piece welding structure of cable short circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209786200U (en) |
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2019
- 2019-05-23 CN CN201920751003.7U patent/CN209786200U/en active Active
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