CN217281338U - Power supply connector structure - Google Patents
Power supply connector structure Download PDFInfo
- Publication number
- CN217281338U CN217281338U CN202220536142.XU CN202220536142U CN217281338U CN 217281338 U CN217281338 U CN 217281338U CN 202220536142 U CN202220536142 U CN 202220536142U CN 217281338 U CN217281338 U CN 217281338U
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- head
- lead
- sleeve
- plastic
- insulating
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Abstract
The utility model discloses a power supply joint structure, which comprises a DC head, a lead, a plastic inner mold and a plastic outer mold; two inner core wires of the lead are respectively welded with the positive electrode and the negative electrode of the DC head; the plastic inner die is injected to the DC head and the lead and covers the DC head and the lead, and the plastic outer die is injected to the DC head, the inner die and the lead and covers the DC head, the inner die and the lead. The plastic inner mold and the plastic outer mold of the utility model can form a two-layer reinforced structure, thereby effectively improving the strength of the utility model and ensuring that the utility model has good impact resistance; and the DC head adopts the structural design of outside insulation, and can have good insulation protection effect to the user.
Description
Technical Field
The utility model relates to a power connection field especially indicates a power supply connector structure.
Background
The existing power supply connector has weak strength and weak impact resistance, and is easy to break in the using process; and the existing power connector has poor insulation protection effect on users.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power supply connector structure, it has the advantage that intensity is high, shock resistance is good.
In order to achieve the above purpose, the solution of the utility model is:
a power supply connector structure comprises a DC connector, a lead, a plastic inner mold and a plastic outer mold; two inner core wires of the lead are respectively welded with the positive electrode and the negative electrode of the DC head; the plastic inner die is injected to the DC head and the lead and covers the DC head and the lead, and the plastic outer die is injected to the DC head, the inner die and the lead and covers the DC head, the inner die and the lead.
The DC head comprises a positive pin, a negative sleeve sleeved with the positive pin and an insulating seat injected into the positive pin and the negative sleeve, the insulating seat is provided with an insulating sleeve sleeved with the negative sleeve, and an interval is formed between the insulating sleeve and the negative sleeve; and two inner core wires of the lead are respectively welded with the anode contact pin and the cathode sleeve.
The insulating base is provided with an insulating inner sleeve positioned between the positive pin and the negative sleeve, a gap is formed between the positive pin and the insulating inner sleeve, and the negative sleeve tightly holds the insulating inner sleeve.
The insulating seat is made of PBT.
The plastic inner mold is made of PE; the plastic outer mold is made of PVC.
The outer wall of the plastic inner mold is provided with a groove, and the inner wall of the plastic outer mold is provided with a convex block embedded into the groove.
The lead is arranged to intersect the DC header.
After the technical scheme is adopted, the utility model discloses a plastic centre form is moulded plastics in DC head and wire and cladding DC head and wire, and the plastic external mold is moulded plastics in DC head, centre form and wire and cladding DC head, centre form and wire, and plastic centre form and plastic external mold can form two-layer reinforced structure like this, thereby can effectively improve the utility model discloses a power connector structure's intensity makes the utility model discloses a power connector structure shock resistance is good.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic view of a partial structure of the present invention 1;
fig. 3 is a schematic view of a partial structure of the present invention 2;
fig. 4 is a cross-sectional view 1 of the present invention;
fig. 5 is a cross-sectional view 2 of the present invention;
fig. 6 is a cross-sectional view 3 of the present invention;
description of reference numerals:
a DC head 1, a positive pin 11, a negative sleeve 12, an insulating base 13, an insulating outer sleeve 131, an insulating inner sleeve 132,
the length of the wire 2, the inner core wire 21,
the plastic inner mold 3, the groove 31,
plastic outer mold 4, bump 41.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
As shown in fig. 1 to 6, the present invention discloses a power supply connector structure, which includes a DC connector 1, a conductive wire 2, an inner plastic mold 3 and an outer plastic mold 4; wherein, two inner core wires 21 of the lead 2 are respectively welded with the positive and negative electrodes of the DC head 1; the plastic inner mold 3 is injection-molded on the DC head 1 and the lead 2 and covers the DC head 1 and the lead 2, and the plastic outer mold 4 is injection-molded on the DC head 1, the inner mold 3 and the lead 2 and covers the DC head 1, the inner mold 3 and the lead 2.
The utility model discloses a plastic centre form 3 moulds plastics in DC head 1 and wire 2 and cladding DC head 1 and wire 2, and plastic external mold 4 moulds plastics in DC head 1, centre form 3 and wire 2 and cladding DC head 1, centre form 3 and wire 2, and plastic centre form 3 and plastic external mold 4 can form two-layer reinforced structure like this to can effectively improve the utility model discloses a power supply connector structure's intensity makes the utility model discloses a power supply connector structure shock resistance is good.
In the present invention, the DC head 1 may include a positive pin 11, a negative sleeve 12 covering the positive pin 11, and an insulating base 13 injection-molded on the positive pin 11 and the negative sleeve 12, and two inner cores 21 of the lead 2 are respectively welded to the positive pin 11 and the negative sleeve 12; the insulating seat 13 is made of PBT (polybutylene terephthalate), and the PBT has good electrical insulating property; the insulating base 13 can be provided with an insulating outer sleeve 131 for sleeving the cathode sleeve 12, an interval is formed between the insulating outer sleeve 131 and the cathode sleeve 12, and the insulating outer sleeve 131 can prevent a user from contacting the cathode sleeve 12 and the anode pin 11, so that a good insulating protection effect can be realized on the user; the insulating base 13 may further have an insulating inner sleeve 132 disposed between the positive pin 11 and the negative sleeve 12, a gap is formed between the positive pin 11 and the insulating inner sleeve 132, the negative sleeve 12 tightly embraces the insulating inner sleeve 132, and the insulating inner sleeve 132 may play a role of supporting the negative sleeve 12 to prevent the negative sleeve 12 from deforming.
The utility model discloses in, wire 2 and the crossing setting of DC head 1, promptly the utility model discloses a power supply connector structure is the L type, like this the utility model discloses a power supply connector structure is difficult for droing when being connected with power source.
In the utility model, the outer wall of the inner plastic mold 3 is provided with a groove 31, and the inner wall of the outer plastic mold 4 is provided with a lug 41 embedded in the groove 31; the utility model discloses so set up the combination fastness that can improve plastic centre form 3 and plastic external mold 4. The plastic inner mold 3 can be made of PE, and the PE has good electrical insulation and impact resistance; the plastic outer mold 4 can be made of PVC, and the PVC has the advantages of flame retardance, high chemical resistance, and good mechanical strength and electrical insulation.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (7)
1. A power supply connector structure is characterized in that: comprises a DC head, a lead, a plastic inner mold and a plastic outer mold;
two inner core wires of the lead are respectively welded with the positive electrode and the negative electrode of the DC head; the plastic inner die is injected to the DC head and the lead and covers the DC head and the lead, and the plastic outer die is injected to the DC head, the inner die and the lead and covers the DC head, the inner die and the lead.
2. The power connection structure of claim 1, wherein: the DC head comprises a positive pin, a negative sleeve sleeved with the positive pin and an insulating seat injected into the positive pin and the negative sleeve, the insulating seat is provided with an insulating sleeve sleeved with the negative sleeve, and an interval is formed between the insulating sleeve and the negative sleeve; and two inner core wires of the lead are respectively welded with the positive contact pin and the negative sleeve.
3. The power supply connector structure of claim 2, wherein: the insulating base is provided with an insulating inner sleeve positioned between the positive pin and the negative sleeve, a gap is formed between the positive pin and the insulating inner sleeve, and the negative sleeve tightly holds the insulating inner sleeve.
4. The power supply connector structure of claim 2, wherein: the insulating seat is made of PBT.
5. A power supply connector structure as claimed in claim 1 or 4, wherein: the plastic inner mold is made of PE; the plastic outer mold is made of PVC.
6. The power connection structure of claim 1, wherein: the outer wall of the plastic inner mold is provided with a groove, and the inner wall of the plastic outer mold is provided with a convex block embedded into the groove.
7. The power supply connector structure of claim 1, wherein: the lead is arranged to intersect the DC header.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220536142.XU CN217281338U (en) | 2022-03-11 | 2022-03-11 | Power supply connector structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220536142.XU CN217281338U (en) | 2022-03-11 | 2022-03-11 | Power supply connector structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217281338U true CN217281338U (en) | 2022-08-23 |
Family
ID=82859989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220536142.XU Active CN217281338U (en) | 2022-03-11 | 2022-03-11 | Power supply connector structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217281338U (en) |
-
2022
- 2022-03-11 CN CN202220536142.XU patent/CN217281338U/en active Active
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| GR01 | Patent grant |