CN214380156U - Vehicle-mounted charger - Google Patents
Vehicle-mounted charger Download PDFInfo
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- CN214380156U CN214380156U CN202022819138.8U CN202022819138U CN214380156U CN 214380156 U CN214380156 U CN 214380156U CN 202022819138 U CN202022819138 U CN 202022819138U CN 214380156 U CN214380156 U CN 214380156U
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- circuit board
- shell
- thimble
- vehicle
- negative pole
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Abstract
The utility model discloses a vehicle-mounted charger, which comprises a shell, a circuit board arranged in the shell, a positive thimble and a negative elastic sheet; the front end of the positive pole thimble protrudes out of the front end of the shell, the rear end of the positive pole thimble is electrically connected with the surface of the circuit board in a contact mode, the rear end of the negative pole elastic sheet is electrically connected with the circuit board, and the front end of the negative pole elastic sheet protrudes out of the side portion of the shell. Therefore, through making anodal thimble laminate with circuit board face and face contact mutually with anodal thimble lug weld on the circuit board, increased the area of contact of anodal thimble and circuit board to the conduction current of increase charger is applicable in high-power charging, and, this anodal thimble is simple with the assembly mode of circuit board, can use SMT automatic weld paster, can improve production assembly efficiency.
Description
Technical Field
The utility model relates to a vehicle-mounted field technique of charging especially indicates a vehicle charger.
Background
With the development of the automobile industry, many vehicle-mounted products are developed and used. In daily life, people often carry mobile phones or other electronic products when going out to play, people often charge in a vehicle when the mobile phones or other electronic products have no electric quantity, but the charging interfaces in the vehicle are few, the charging is inconvenient, and in order to solve the problem, a vehicle-mounted charger is produced; the vehicle-mounted charger is placed in the vehicle, can provide power for the mobile phone or other electronic products, can be charged at any time in the vehicle, does not need to search a charging area everywhere, and is very convenient. However, the positive thimble of the existing vehicle-mounted charger is connected with the circuit board through the spring for conducting, the contact area between the spring and the circuit board is small, and the conductive current is small, so that the spring and the circuit board can only be suitable for low-power charging.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides an on-vehicle charger, and it has increased the area of contact of anodal thimble and circuit board through laminating anodal thimble and circuit board face and face contact mutually to increase the conduction current of charger, applicable in high-power charging.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a vehicle-mounted charger comprises a shell, a circuit board, a positive thimble and a negative elastic sheet, wherein the circuit board is arranged in the shell; the front end of the positive pole thimble protrudes out of the front end of the shell, the rear end of the positive pole thimble is electrically connected with the surface of the circuit board in a contact way, and the rear end of the negative pole elastic sheet is electrically connected with the circuit board; the front end of the negative pole elastic sheet is provided with a negative pole contact point which protrudes out of the side part of the shell.
As a preferred embodiment: the circuit boards include a first circuit board, a second circuit board, and a third circuit board laterally connected between the first circuit board and the second circuit board.
As a preferred embodiment: the front ends of the first circuit board and the second circuit board are respectively provided with a square hole, the two ends of the third circuit board are respectively provided with a clamping lug matched with the square hole, and the clamping lugs at the two ends of the third circuit board correspondingly penetrate through the square holes of the first circuit board and the second circuit board.
As a preferred embodiment: and the rear end of the positive thimble is welded with the third circuit board in an SMT manner.
As a preferred embodiment: the negative pole shell fragment is the U-shaped, and above-mentioned negative pole contact point locates negative pole shell fragment both sides front end.
As a preferred embodiment: the first circuit board and the second circuit board are respectively provided with a charging interface for charging the electronic product, and the charging interfaces are exposed out of the shell.
As a preferred embodiment: the two sides of the rear end of the negative elastic piece are respectively provided with a T-shaped lug, the middle of the first circuit board and the middle of the second circuit board are respectively provided with a through hole corresponding to the T-shaped lugs, and the T-shaped lugs at the two ends of the negative elastic piece correspondingly penetrate through the through holes of the first circuit board and the second circuit board.
As a preferred embodiment: the casing includes preceding shell, backshell and tail-hood, and this preceding shell front end has the positive through-hole that supplies the anodal thimble to stretch out, and the preceding shell left and right sides is equipped with the negative pole through-hole that supplies the negative pole contact point to stretch out respectively, and this backshell is detachable to be installed in preceding shell rear end, and this tail-hood is installed in the backshell rear end, is provided with the hole that stretches out that supplies the above-mentioned interface that charges to stretch out on the tail-hood, and the interface that charges corresponds by stretching out the hole stretch out outside the tail-hood.
As a preferred embodiment: the casing includes preceding shell and backshell, and this preceding shell front end has the anodal through-hole that supplies the anodal thimble to stretch out, and the preceding shell left and right sides is equipped with the negative pole through-hole that supplies the negative pole contact point to stretch out respectively, and this backshell is detachable to be installed in preceding shell rear end, is provided with in the backshell rear end and supplies the above-mentioned interface that charges to stretch out and stretch out outside the backshell by this hole pair that stretches out.
As a preferred embodiment: the tail cover is detachably connected to the rear end of the rear shell, an annular limiting step is arranged on the inner side wall of the rear shell, a buckle is arranged on the inner side wall of the tail cover, the inner side wall of the tail cover is matched with the inner side wall of the rear shell, and the buckle is clamped on the inner side edge of the annular limiting step.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme, through laminating anodal thimble and circuit board face and face contact mutually, weld the contact area of anodal thimble and circuit board for the tradition with the inside spring point contact formula of anodal thimble on the circuit board, this mode has increased the area of contact of anodal thimble and circuit board to increase the conduction current of charger, applicable in high-power charging.
To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a perspective view of the charger of the present invention;
fig. 2 is a perspective view of the charger according to another perspective of the present invention;
FIG. 3 is an exploded view of the charger of the present invention;
FIG. 4 is an exploded view of the charger housing of the present invention;
FIG. 5 is an exploded view of the circuit board of the present invention;
FIG. 6 is a perspective view of the negative spring of the present invention;
FIG. 7 is a perspective view of the front housing of the present invention;
FIG. 8 is a perspective view of the rear housing of the present invention;
fig. 9 is a perspective view of the rear housing with a protruding hole according to the present invention.
The attached drawings indicate the following:
10. shell 11, front shell
12. Rear housing 121, extension hole
13. Tail cover 131, extension hole
14. Positive electrode through hole 15 and negative electrode through hole
16. External thread 17, internal thread
18. Annular limiting step 19 and fastener
20. Circuit board 21, first circuit board
22. Second circuit board 23, third circuit board
24. Square hole 25, clamping lug
26. Type-C interface 27 and USB interface
28. Through hole 30 and positive pole thimble
40. Negative pole spring plate 41 and negative pole contact point
42. T-shaped bumps.
Detailed Description
The utility model discloses as shown in fig. 1 to fig. 9, an on-vehicle charger, including casing 10, install circuit board 20, positive thimble 30 and negative pole shell fragment 40 in casing 10, wherein:
the front end of the positive thimble 30 protrudes out of the front end of the shell 10, the rear end of the positive thimble 30 is electrically connected with the circuit board 20 in a surface contact manner, and compared with the traditional method that the spring inside the positive thimble is welded on the circuit board in a point contact manner, the connection manner increases the contact area between the positive thimble 30 and the circuit board 20, thereby increasing the conduction current of the charger, and is applicable to high-power charging, and the assembly manner between the positive thimble 30 and the circuit board 20 is simple, and SMT automatic welding paster can be used, so that the production assembly efficiency can be improved. The rear end of the negative elastic sheet 40 is electrically connected to the circuit board 20, the front end of the negative elastic sheet 40 has a negative contact 41, and the negative contact 41 protrudes out of the side of the housing 10.
The circuit board 20 includes a first circuit board 21, a second circuit board 22 and a third circuit board 23, the third circuit board 23 is transversely connected between the first circuit board 21 and the second circuit board 22, and the first circuit board 21, the second circuit board 22 and the third circuit board 23 are spliced to form an H-shaped structure; the front ends of the first circuit board 21 and the second circuit board 22 are respectively provided with a square hole 24, the two ends of the third circuit board 23 are respectively provided with a clamping lug 25 matched with the square hole 24, and the clamping lugs 25 at the two ends of the third circuit board 23 correspondingly penetrate through the square holes 24 of the first circuit board 21 and the second circuit board 22; the first circuit board 21 is provided with a Type-C interface 26, the second circuit board 22 is provided with a USB interface 27 (which can be a USB-A or USB-C interface), and the Type-C interface 26 and the USB interface 27 are charging interfaces and are mainly used for charging electronic products; the rear end of the positive thimble 30 is soldered to the third circuit board 23 by SMT.
The negative electrode spring 40 is U-shaped, and the negative electrode contacts 41 are disposed at the front ends of the two sides of the negative electrode spring 40. The two sides of the rear end of the negative spring 40 are respectively provided with a T-shaped projection 42, the middle of the first circuit board 21 and the second circuit board 22 is respectively provided with a through hole 28 corresponding to the T-shaped projection 42, and the T-shaped projections 42 on the two sides of the negative spring 40 correspondingly penetrate through the through holes 28 of the first circuit board 21 and the second circuit board 22.
The casing 10 includes a front casing 11 and a rear casing 12, the front end of the front casing 11 has a positive through hole 14 for the positive thimble 30 to extend out, the left and right sides of the front casing 11 are respectively provided with a negative through hole 15 for the negative contact 41 to extend out, and the negative contact 41 is inserted into the negative through hole 15. The front shell 11 and the rear shell 12 are connected through threads, the rear end of the front shell 11 is provided with an external thread 16, the front end of the rear shell 12 is provided with an internal thread 17, and the external thread 16 and the internal thread 17 are detachably matched to fasten the front shell 11 and the rear shell 12.
The rear case 12 is cylindrical, the rear end thereof is closed, and a protruding hole 121 (as shown in fig. 9) through which the charging port protrudes is formed in the rear end wall thereof, and the charging port protrudes from the protruding hole 121 to the outside of the rear case 12. In addition, the rear housing 12 can be designed into a ring shape, a tail cap 13 is installed at the rear end of the rear housing, and the tail cap 13 can be detachably connected with the rear end of the rear housing 12 (as shown in fig. 2 and 3), and the specific connection manner is as follows: the inner side wall of the rear end of the rear shell 12 is provided with an annular limiting step 18, the inner side wall of the tail cover 13 is provided with a buckle 19, the inner side wall of the tail cover 13 is matched with the inner side wall of the rear shell 12, the buckle 19 is clamped on the inner side edge of the annular limiting step 18, the assembly mode can prevent the tail cover 13 from loosening, and the connection stability of the tail cover 13 and the rear shell 12 can be improved. A protrusion hole 131 is formed in the tail cover 13 for the charging port to protrude, and the charging port correspondingly protrudes from the protrusion hole 131 to the outside of the tail cover 13.
The utility model discloses a design is key in, through laminating anodal thimble and circuit board face and face contact mutually, weld anodal thimble inside spring point contact formula on the circuit board for the tradition, this mode has increased the area of contact of anodal thimble and circuit board to increase the conduction current of charger, applicable high-power charging, and, for the complicated technology of traditional mode, this anodal thimble is simple with the assembly methods of circuit board, can use SMT automatic weld paster, can improve production assembly efficiency.
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 slight modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. An on-vehicle charger, characterized by: comprises a shell, a circuit board arranged in the shell, an anode thimble and a cathode elastic sheet; the front end of the positive pole thimble protrudes out of the front end of the shell, the rear end of the positive pole thimble is electrically connected with the surface of the circuit board in a contact way, and the rear end of the negative pole elastic sheet is electrically connected with the circuit board; the front end of the negative pole elastic sheet is provided with a negative pole contact point which protrudes out of the side part of the shell.
2. The vehicle-mounted charger according to claim 1, characterized in that: the circuit boards include a first circuit board, a second circuit board, and a third circuit board laterally connected between the first circuit board and the second circuit board.
3. The vehicle-mounted charger according to claim 2, characterized in that: the front ends of the first circuit board and the second circuit board are respectively provided with a square hole, the two ends of the third circuit board are respectively provided with a clamping lug matched with the square hole, and the clamping lugs at the two ends of the third circuit board correspondingly penetrate through the square holes of the first circuit board and the second circuit board.
4. The vehicle-mounted charger according to claim 2, characterized in that: and the rear end of the positive thimble is welded with the third circuit board in an SMT manner.
5. The vehicle-mounted charger according to claim 1, characterized in that: the negative pole shell fragment is the U-shaped, and above-mentioned negative pole contact point locates negative pole shell fragment both sides front end.
6. The vehicle-mounted charger according to claim 2, characterized in that: the first circuit board and the second circuit board are respectively provided with a charging interface for charging the electronic product, and the charging interfaces are exposed out of the shell.
7. The vehicle-mounted charger according to claim 2, characterized in that: the two sides of the rear end of the negative elastic piece are respectively provided with a T-shaped lug, the middle of the first circuit board and the middle of the second circuit board are respectively provided with a through hole corresponding to the T-shaped lugs, and the T-shaped lugs at the two ends of the negative elastic piece correspondingly penetrate through the through holes of the first circuit board and the second circuit board.
8. The vehicle-mounted charger according to claim 6, characterized in that: the casing includes preceding shell, backshell and tail-hood, and this preceding shell front end has the positive through-hole that supplies the anodal thimble to stretch out, and the preceding shell left and right sides is equipped with the negative pole through-hole that supplies the negative pole contact point to stretch out respectively, and this backshell is detachable to be installed in preceding shell rear end, and this tail-hood is installed in the backshell rear end, is provided with the hole that stretches out that supplies the above-mentioned interface that charges to stretch out on the tail-hood, and the interface that charges corresponds by stretching out the hole stretch out outside the tail-hood.
9. The vehicle-mounted charger according to claim 6, characterized in that: the casing includes preceding shell and backshell, and this preceding shell front end has the anodal through-hole that supplies the anodal thimble to stretch out, and the preceding shell left and right sides is equipped with the negative pole through-hole that supplies the negative pole contact point to stretch out respectively, and this backshell is detachable to be installed in preceding shell rear end, is provided with in the backshell rear end and supplies the above-mentioned interface that charges to stretch out and stretch out outside the backshell by this hole pair that stretches out.
10. The vehicle-mounted charger according to claim 8, characterized in that: the tail cover is detachably connected to the rear end of the rear shell, an annular limiting step is arranged on the inner side wall of the rear shell, a buckle is arranged on the inner side wall of the tail cover, the inner side wall of the tail cover is matched with the inner side wall of the rear shell, and the buckle is clamped on the inner side edge of the annular limiting step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022819138.8U CN214380156U (en) | 2020-11-30 | 2020-11-30 | Vehicle-mounted charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022819138.8U CN214380156U (en) | 2020-11-30 | 2020-11-30 | Vehicle-mounted charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214380156U true CN214380156U (en) | 2021-10-08 |
Family
ID=77979863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022819138.8U Active CN214380156U (en) | 2020-11-30 | 2020-11-30 | Vehicle-mounted charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214380156U (en) |
-
2020
- 2020-11-30 CN CN202022819138.8U patent/CN214380156U/en active Active
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