CN220605133U - High-current USB connector structure - Google Patents
High-current USB connector structure Download PDFInfo
- Publication number
- CN220605133U CN220605133U CN202322123788.2U CN202322123788U CN220605133U CN 220605133 U CN220605133 U CN 220605133U CN 202322123788 U CN202322123788 U CN 202322123788U CN 220605133 U CN220605133 U CN 220605133U
- Authority
- CN
- China
- Prior art keywords
- insulator
- circuit board
- usb connector
- contact
- welding part
- 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 claims abstract description 29
- 239000012212 insulator Substances 0.000 claims abstract description 26
- 239000012634 fragment Substances 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Abstract
The utility model discloses a high-current USB connector structure which comprises a shell, a terminal assembly and a circuit board, wherein an insulator is arranged in the shell, the terminal assembly is embedded in the surface of the insulator, the terminal assembly comprises a plurality of conductive PINs and contact spring pieces, each conductive PI N comprises a welding part and a connecting part, one end of each welding part is fixedly welded with the circuit board, the connecting part is arranged at the other end of each welding part, the size of each connecting part is larger than that of each welding part, each contact spring piece is arranged in the middle of the corresponding conductive PI N, a position avoidance groove is formed in the insulator corresponding to each contact spring piece, and each contact spring piece protrudes out of the surface of the insulator. The utility model provides a high-current USB connector structure, which improves the heat dissipation capacity and meets the requirement of high current by improving the conduction terminal of the USB connector.
Description
Technical Field
The utility model relates to the technical field of connectors, in particular to a high-current USB connector structure.
Background
With the increasing expansion of the application field of electronic technology, various electronic products are produced, and connectors are used for data transmission, charging and the like of the electronic products, such as mobile phones, tablet computers, PADs, mobile power supplies and the like.
In some special equipment electronic products, the condition that needs to have the heavy current in the connection process appears, therefore, the USB connector that needs to connect can satisfy the user demand of heavy current, and the condition that generates heat appears easily when carrying out heavy current transmission to current USB connector structure, influences USB connector's life, appears the condition of burning out even.
Disclosure of Invention
The utility model aims to provide a high-current USB connector structure, which improves the heat dissipation capacity and meets the requirement of high current by improving the conduction terminal of the USB connector.
The utility model discloses a technical scheme adopted by a high-current USB connector structure, which comprises the following steps:
the utility model provides a USB connector structure of heavy current, includes shell, terminal subassembly and circuit board, just the inside insulator that is provided with of shell, terminal subassembly embeds in the insulator surface, terminal subassembly includes a plurality of and switches on PIN and contact shell fragment, switch on PIN and include welding portion and connecting portion, welding portion one end and circuit board welded fastening, just connecting portion set up in the welding portion other end, the size of connecting portion is greater than welding portion, contact shell fragment sets up in the centre of a plurality of switching on PIN, the insulator has been seted up corresponding contact shell fragment and has been kept away the position groove, just contact shell fragment outstanding in the insulator surface.
Preferably, the insulator comprises an isolation part corresponding to the connecting part and a reinforcing part, and the reinforcing part is wrapped at the connecting part of the welding part and the circuit board and extends to the other surface of the circuit board.
As a preferable scheme, the circuit board is provided with a first contact piece corresponding to the terminal assembly, one side, far away from the first contact piece, of the circuit board is provided with a second contact piece, and the first contact piece and the second contact piece are positioned on the same surface.
Preferably, the inner wall of the shell is provided with concave sheets corresponding to the contact spring sheets.
As a preferable scheme, the surface of the reinforcing part is provided with a clamping groove, the shell is provided with a clamping hook corresponding to the clamping groove, and the clamping hook is clamped in the clamping groove.
As a preferable scheme, the surface of the connecting part is provided with a convex point, the convex point is positioned at the center of the connecting part, and the edge of the convex point is provided with an arc chamfer.
The utility model discloses a high-current USB connector structure which has the beneficial effects that: the terminal assembly and the insulator are arranged inside the shell, and the terminal assembly is arranged on the surface of the insulator, so that when the connector is plugged with external equipment, the terminal assembly can be kept in contact with the external equipment to be conducted, the connector can be electrically connected with other equipment by utilizing the circuit board, the size of the connecting part for conducting PIN is larger than that of the welding part, when the connector is plugged into the connector to conduct with the external equipment, the connecting part is in contact with the contact of the external equipment to conduct, and accordingly current passes through the welding part and is conducted to the welding part through the connecting part, the situation that instant current is overlarge at the connecting part of the connector and the external equipment to cause short circuit is avoided, and meanwhile, the heat dissipation capacity is improved, and the requirement of large current is met.
Drawings
Fig. 1 is a schematic structural diagram of a high-current USB connector according to the present utility model.
Fig. 2 is an exploded view of a high current USB connector structure according to the present utility model.
Fig. 3 is a schematic diagram of a terminal assembly of a high-current USB connector structure according to the present utility model.
Fig. 4 is a front view of a high current USB connector structure of the present utility model.
Detailed Description
The utility model is further illustrated and described below in conjunction with the specific embodiments and the accompanying drawings:
referring to fig. 1, 2 and 3, a high-current USB connector structure includes a housing 10, a terminal assembly 20 and a circuit board 30, wherein an insulator 40 is disposed in the housing 10, the terminal assembly 20 is embedded in a surface of the insulator 40, the terminal assembly 20 includes a plurality of conductive PINs 21 and a contact spring 22, the conductive PINs 21 include a welding portion 211 and a connecting portion 212, one end of the welding portion 211 is welded to the circuit board 30, the connecting portion 212 is disposed at the other end of the welding portion 211, the size of the connecting portion 212 is larger than that of the welding portion 211, the contact spring 22 is disposed in the middle of the plurality of conductive PINs 21, the insulator 40 has a clearance groove 41 corresponding to the contact spring 22, and the contact spring 22 protrudes from the surface of the insulator 40.
Terminal assembly 20 and insulator 40 all set up inside shell 10 to terminal assembly 20 sets up in insulator 40 surface, thereby when connector and external equipment peg graft, terminal assembly 20 can keep contacting with external equipment and switch on, can carry out electric connection with connector and other equipment simultaneously utilizing circuit board 30, be greater than welding portion 211 at the connecting portion 212 size that switches on PIN21, thereby when the connector inserts and switches on with external equipment, connecting portion 212 carries out contact conduction with the contact of external equipment, thereby the electric current passes through connecting portion 212 again through welding portion 211, conduct to welding portion 211, through increasing the passing area of electric current, the junction that has avoided connector and external equipment causes the transient current too big, and take place the short circuit condition, will improve the heat dissipation ability simultaneously, satisfy the demand of heavy current.
In the above-mentioned scheme, the insulator 40 includes the isolation portion 41 corresponding to the connection portion 212 and the reinforcement portion 43, the reinforcement portion 43 wraps up the connection portion between the soldering portion 211 and the circuit board 30 and extends to the other side of the circuit board 30, the insulation portion 41 is utilized to perform insulation separation on the terminal assembly 20, and meanwhile, the fixation function is also performed, the reinforcement portion 43 can further improve the strength of the connection portion between the terminal assembly 20 and the circuit board 30, and the reinforcement portion 43 can also be utilized to support the housing 10.
The circuit board 30 corresponds terminal assembly 20 and is equipped with first contact piece 31, and circuit board 30 keeps away from first contact piece 31 one side and is equipped with second contact piece 32, and first contact piece 31 and second contact piece 32 are located same face, utilize first contact piece 31 and second contact piece 32 to make things convenient for people to carry out welding with terminal assembly 20 and other equipment and circuit board 30 and switch on to first contact piece 31 and second contact piece 32 are located same face, and when the welding, also more convenient, need not turn over circuit board 30 to adorn, can directly carry out synchronous welding.
Referring to fig. 4, the inner wall of the housing 10 is provided with concave pieces 11 corresponding to the contact spring pieces 22, and the contact spring pieces 22 of the terminal assembly 20 are used for matching to form clamping in the vertical direction, so that the connector inserted into the housing is clamped, the matching tightness of the connector and the housing is improved, and the purpose of grounding the inserted connector to the housing 10 can be achieved by using the concave pieces 11.
The surface of the reinforcing part 43 is provided with a clamping groove 44, the shell 10 is provided with a clamping hook 12 corresponding to the clamping groove 44, the clamping hook 12 is clamped in the clamping groove 44, and the clamping hook 12 and the clamping groove 44 are used for carrying out clamping connection, so that the strength of the connector between the shell 10 and the insulator 40 is improved.
The connecting portion 212 surface is equipped with bump 213, and bump 213 is located connecting portion 212 center, and bump 213 edge is equipped with the arc chamfer, utilizes bump 213 to ensure connecting portion 212 and insert the switch-on of connector, and the edge of bump 213 is the arc chamfer simultaneously, can be more smooth when making the interpolation.
The utility model provides a high-current USB connector structure, wherein a terminal assembly and an insulator are arranged in a shell, and the terminal assembly is arranged on the surface of the insulator, so that when a connector is plugged with external equipment, the terminal assembly can keep contact and conduction with the external equipment, meanwhile, the connector can be electrically connected with other equipment by utilizing a circuit board, the size of a connecting part for conducting PIN is larger than that of a welding part, when the connector is plugged into the external equipment for conducting, the connecting part is contacted and conducted with a contact of the external equipment, and thus, current is conducted to the welding part through the connecting part and then passes through the welding part, the situation that instant current is overlarge at the connecting part of the connector and the external equipment and short circuit is caused is avoided by increasing the passing area of the current, and meanwhile, the heat dissipation capacity is improved, and the requirement of high current is met.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (6)
1. The utility model provides a USB connector structure of heavy current, its characterized in that, includes shell, terminal subassembly and circuit board, just the inside insulator that is provided with of shell, terminal subassembly embeds in the insulator surface, terminal subassembly includes a plurality of and switches on PIN and contact shell fragment, switch on PIN and include welding part and connecting portion, welding part one end and circuit board welded fastening, just connecting portion set up in the welding part other end, the size of connecting portion is greater than welding part, contact shell fragment sets up in the centre of a plurality of switching on PIN, the insulator has been seted up corresponding contact shell fragment and has been kept away the position groove, just the contact shell fragment is outstanding in the insulator surface.
2. The structure of claim 1, wherein the insulator includes an isolation portion corresponding to the connection portion and a reinforcement portion, and the reinforcement portion is wrapped at a connection portion between the soldering portion and the circuit board and extends to the other surface of the circuit board.
3. The high-current USB connector structure according to claim 2, wherein the circuit board is provided with a first contact piece corresponding to the terminal assembly, and a second contact piece is provided on a side of the circuit board away from the first contact piece, and the first contact piece and the second contact piece are located on the same surface.
4. The structure of claim 1, wherein the inner wall of the housing is provided with concave pieces corresponding to the contact spring pieces.
5. The structure of claim 2, wherein the surface of the reinforcement portion is provided with a slot, the housing is provided with a hook corresponding to the slot, and the hook is clamped in the slot.
6. The high-current USB connector structure according to claim 5, wherein the surface of said connecting portion is provided with a bump, said bump is located at the center of the connecting portion, and the edge of said bump is provided with an arc chamfer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322123788.2U CN220605133U (en) | 2023-08-09 | 2023-08-09 | High-current USB connector structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322123788.2U CN220605133U (en) | 2023-08-09 | 2023-08-09 | High-current USB connector structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220605133U true CN220605133U (en) | 2024-03-15 |
Family
ID=90181491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322123788.2U Active CN220605133U (en) | 2023-08-09 | 2023-08-09 | High-current USB connector structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220605133U (en) |
-
2023
- 2023-08-09 CN CN202322123788.2U patent/CN220605133U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |