CN219875114U - Vehicle-mounted charger structure - Google Patents
Vehicle-mounted charger structure Download PDFInfo
- Publication number
- CN219875114U CN219875114U CN202221680550.9U CN202221680550U CN219875114U CN 219875114 U CN219875114 U CN 219875114U CN 202221680550 U CN202221680550 U CN 202221680550U CN 219875114 U CN219875114 U CN 219875114U
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- Prior art keywords
- shell
- insulating
- insulation
- main
- panel
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- 238000009413 insulation Methods 0.000 claims abstract description 48
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims 5
- 239000012634 fragment Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 5
- 238000005286 illumination Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007769 metal material Substances 0.000 description 2
- 235000019506 cigar Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a vehicle-mounted charger structure, which comprises a main shell, wherein a panel part is arranged at the top of the main shell, a lower shell is arranged at the bottom of the main shell, a power substrate electrically connected with the panel part is arranged in the main shell, a negative pole spring sheet is arranged in the middle of the power substrate, a positive pole contact is arranged at the lower end of the power substrate, and the bottom end of the positive pole contact extends out of the bottom of the lower shell. The beneficial effects are that: through the upper insulating part, the insulating shell and the lower insulating part, a triple insulating structure can be formed between the panel part and the main shell, between the main shell and the power supply substrate, and between the lower shell and the positive electrode contact, so that the insulating effect among all components of the charger is improved; the integrated insulation protection structure is adopted, so that the installation and the fixation are convenient and quick; through setting up luminous portion in the inboard of upper insulating portion, can not form annular luminous area between panel and main casing, can provide auxiliary illumination, convenient plug operation of charging wire rod.
Description
Technical Field
The utility model relates to the technical field of vehicle-mounted chargers, in particular to a vehicle-mounted charger structure.
Background
The vehicle-mounted charger is the most common vehicle-mounted charging device that is connected as a power supply device for electronic products by interfacing with a cigar lighter in a vehicle. In order to ensure the structural strength of the existing vehicle-mounted charger, the heat dissipation effect is improved, and the shell is made of metal materials. However, the use of a metal material for the housing introduces the problem of easy conduction, but in the prior art, insulation can only be generally performed by arranging a gasket outside the power-saving device inside the charger, and a certain short-circuit risk still exists due to the fact that the gasket is poor in stability. Based on this, the applicant has proposed an in-vehicle charger having good insulation.
Disclosure of Invention
The present utility model has been made to solve the above problems, and an object of the present utility model is to provide an in-vehicle charger structure, in which: by providing multiple insulation protection, the technical effect of improving the insulation effect of the charger is explained in detail below.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a vehicle-mounted charger structure, which comprises a main shell, wherein the top of the main shell is provided with a panel part, the bottom of the main shell is provided with a lower shell, the inside of the main shell is provided with a power substrate electrically connected with the panel part, the middle part of the power substrate is provided with a negative pole shrapnel, the lower end of the power substrate is provided with a positive pole contact, the bottom end of the positive pole contact extends out of the bottom of the lower shell, the negative pole shrapnel is provided with a negative pole contact extending out of the outer surface of the main shell, and an insulation protection structure is arranged between the main shell and the power substrate;
the insulation protection structure is composed of an upper insulation part, an insulation shell and a lower insulation part, wherein the upper insulation part is matched with the inside of the main shell in a clamping manner, the top of the upper insulation part is located between the panel part and the main shell, the panel part is separated from the main shell, the insulation shell is located on the outer side of the power supply substrate, a spring piece groove with a position matched with that of the negative electrode spring piece is formed in the insulation shell, and the lower insulation part is arranged between the positive electrode contact and the lower shell and is fixedly connected with the lower shell.
Preferably, the upper insulating part has a ring-shaped structure formed on the top of the insulating case, and has an outer diameter identical to an outer diameter of the panel part.
Preferably, a positioning column connected with the panel part is arranged on the upper portion of the inner side of the insulating shell, the panel part is connected with the positioning column through a screw, the top surface of the upper insulating part is attached to the bottom surface of the panel part, and the circumferential surface is flush.
Preferably, a positioning fixture block is formed on the outer side of the insulating shell, a clamping groove is formed on the inner side of the main shell corresponding to the positioning fixture block, and the positioning fixture block is matched with the clamping groove in a clamping way after the panel part is connected with the positioning column.
Preferably, a positioning frame matched with the positive electrode contact for positioning is arranged at the top of the insulating part, the positioning frame is positioned at the inner side of the lower part of the insulating shell, a power connection hole matched with the positive electrode contact is formed in the lower insulating part, and after the positive electrode contact is matched with the positioning frame, the lower end of the positive electrode contact penetrates out of the lower end of the power connection hole.
Preferably, the lower insulating part has an external thread formed on the circumferential surface thereof, the lower housing has an internal thread formed therein to match the external thread, and an insulating gasket is provided between the top of the lower housing and the bottom of the main housing.
Preferably, a light emitting part is arranged on the inner side of the upper insulation part, and the insulation protection structure is integrally formed by transparent plastic.
In summary, the utility model has the following beneficial effects: 1. through the upper insulating part, the insulating shell and the lower insulating part, a triple insulating structure can be formed between the panel part and the main shell, between the main shell and the power supply substrate, and between the lower shell and the positive electrode contact, so that the insulating effect among all components of the charger is improved;
2. the integrated insulation protection structure is adopted, so that the installation and the fixation are convenient and quick;
3. through setting up luminous portion in the inboard of upper insulating portion, can not form annular luminous area between panel and main casing, can provide auxiliary illumination, convenient plug operation of charging wire rod.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the front view of the present utility model;
FIG. 2 is a schematic view of the cross-sectional structure in the direction B-B in FIG. 1;
FIG. 3 is a schematic perspective view of the present utility model;
fig. 4 is a schematic perspective view of an insulation protection structure according to the present utility model.
The reference numerals are explained as follows:
1. a panel section; 2. an insulating protective structure; 21. an upper insulating part; 22. an insulating case; 23. a lower insulating part; 24. spring plate grooves; 25. a light emitting section; 3. a main housing; 4. a negative pole shrapnel; 5. a lower housing; 6. a positive electrode contact; 7. a power supply substrate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
Referring to fig. 1-4, the utility model provides a vehicle-mounted charger structure, which comprises a main housing 3, wherein a panel part 1 is arranged at the top of the main housing 3, an electric connection port and a control button are arranged on the surface of the panel part 1, the structure is consistent with that of a panel of a conventional charger, a control board electrically connected with a power supply substrate 7 is arranged in the panel part 1, a lower housing 5 is arranged at the bottom of the main housing 3, the power supply substrate 7 electrically connected with the panel part 1 is arranged in the main housing 3, a negative spring plate 4 is arranged in the middle of the power supply substrate 7, a positive electrode contact 6 is arranged at the lower end of the power supply substrate 7, a negative electrode contact extending out of the bottom of the lower housing 5 is arranged at the bottom end of the positive electrode contact 6, and a negative electrode contact extending out of the outer surface of the main housing 3 is arranged on the negative electrode spring plate 4, and the structure is consistent with that of the conventional vehicle-mounted charger, and details are omitted; an insulating protection structure 2 is arranged between the main shell 3 and the power supply substrate 7; the insulation protection structure 2 can form triple insulation protection between the panel part 1 and the main shell 3, between the main shell 3 and the power supply substrate 7 and between the lower shell 5 and the positive electrode contact 6, so that the short circuit risk between different positions of the vehicle-mounted charger is avoided greatly, and the protection performance is better;
the insulation protection structure 2 is composed of an upper insulation part 21, an insulation shell 22 and a lower insulation part 23, wherein the upper insulation part 21 is matched with the inside of the main shell 3 in a clamping way, the top of the upper insulation part 21 is positioned between the panel part 1 and the main shell 3 and separates the panel part 1 from the main shell 3, the insulation shell 22 is positioned on the outer side of the power supply substrate 7, an elastic sheet groove 24 with a position matched with the negative electrode elastic sheet 4 is formed in the insulation shell 22, and the lower insulation part 23 is arranged between the positive electrode contact 6 and the lower shell 5 and fixedly connected with the lower shell 5.
The upper insulating part 21 is of an annular structure formed on the top of the insulating shell 22, and the outer diameter of the upper insulating part 21 is consistent with the outer diameter of the panel part 1; the upper insulating part 21 can be used as an insulating spacer between the main shell 3 and the panel part 1, so that short circuit between the outer wall of the panel part 1 and the main shell 3 is avoided;
a positioning column connected with the panel part 1 is arranged at the upper part of the inner side of the insulating shell 22, and after the panel part 1 is connected with the positioning column through a screw, the top surface of the upper insulating part 21 is attached to the bottom surface of the panel part 1, and the circumferential surface is flush; the light emitting part 25 is arranged on the inner side of the upper insulating part 21, the insulating protection structure 2 is integrally formed by transparent plastic, the light emitting part 25 is a conventional RGB white light source, and is in the same installation form as conventional electronic fittings and wires, the structure and the installation mode are the prior art, the details are omitted, the light emitting part is distributed on the inner side of the light emitting part 25, after the light emitting part is connected with a control board for supplying power, a light emitting ring can be formed on the circumferential surface of the upper insulating part 21, auxiliary illumination can be provided, and a user can conveniently perform plug operation of the charging wires; a positioning clamping block is formed on the outer side of the insulating shell 22, a clamping groove is formed on the inner side of the main shell 3 corresponding to the positioning clamping block, and the positioning clamping block is matched with the clamping groove in a clamping way after the panel part 1 is connected with the positioning column; after the positioning clamping blocks are matched with the clamping grooves, circumferential limit can be formed, so that the stability of the insulating shell 22 in the circumferential position inside the main shell 3 is stabilized;
the top of the insulating part is provided with a positioning frame matched with the positive electrode contact 6 for positioning, the positioning frame is positioned at the inner side of the lower part of the insulating shell 22, the lower insulating part 23 is provided with a power connection hole matched with the positive electrode contact 6, and after the positive electrode contact 6 is matched with the positioning frame, the lower end of the positive electrode contact 6 penetrates out of the lower end of the power connection hole; an external thread is formed on the circumferential surface of the lower insulating part 23, an internal thread matching the external thread is formed inside the lower housing 5, and an insulating gasket is arranged between the top of the lower housing 5 and the bottom of the main housing 3; the insulating gasket is used for insulating and isolating the main shell 3 and the lower shell 5, so that the insulating effect between the structures can be further improved; the bottom of the lower shell 5 is provided with a through hole with the diameter larger than that of the power connection hole, the center line of the through hole coincides with that of the power connection hole, and after the positive electrode contact 6 penetrates through the power connection hole and the through hole, the positive electrode contact 6 can be prevented from contacting with the through hole, so that insulation and isolation between the positive electrode contact 6 and the lower shell 5 are realized.
With the above structure, a triple insulation structure can be formed between the panel part 1 and the main casing 3, between the main casing 3 and the power supply substrate 7, and between the lower casing 5 and the positive electrode contact 6 by the upper insulation part 21, the insulation casing 22 and the lower insulation part 23, so that the insulation effect between the components of the charger is improved; the integrated insulation protection structure 2 is adopted, so that the installation and the fixation are convenient and quick; by providing the light emitting portion 25 on the inner side of the upper insulating portion 21, an annular light emitting band can be formed between the panel and the main housing 3, auxiliary illumination can be provided, and the plug operation of the charging wire is facilitated.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a vehicle-mounted charger structure which is characterized in that, including main casing (3), the top of this main casing (3) is provided with panel portion (1), the bottom of main casing (3) is provided with down casing (5), the inside power base board (7) that are provided with of main casing (3) and connect panel portion (1), the middle part of power base board (7) is provided with negative pole shell fragment (4), the lower extreme of power base board (7) is provided with anodal contact (6), the bottom of anodal contact (6) extends the bottom of lower casing (5), be provided with on negative pole shell fragment (4) and extend the negative pole contact of main casing (3) surface, be provided with insulating protection structure (2) between main casing (3) and power base board (7);
the insulation protection structure (2) is composed of an upper insulation part (21), an insulation shell (22) and a lower insulation part (23), wherein the upper insulation part (21) is matched with the inside of the main shell (3) in a clamping manner, the top of the upper insulation part (21) is located between the panel part (1) and the main shell (3), the panel part (1) is separated from the main shell (3), the insulation shell (22) is located on the outer side of the power supply substrate (7), an elastic sheet groove (24) with the position matched with the negative electrode elastic sheet (4) is formed in the insulation shell (22), and the lower insulation part (23) is arranged between the positive electrode contact (6) and the lower shell (5) and is fixedly connected with the lower shell (5).
2. An in-vehicle charger structure according to claim 1, wherein: the upper insulating part (21) is of an annular structure formed on the top of the insulating shell (22), and the outer diameter of the upper insulating part (21) is consistent with the outer diameter of the panel part (1).
3. An in-vehicle charger structure according to claim 1, wherein: the upper portion of the inner side of the insulating shell (22) is provided with a positioning column connected with the panel portion (1), after the panel portion (1) is connected with the positioning column through a screw, the top surface of the upper insulating portion (21) is attached to the bottom surface of the panel portion (1), and the circumferential surfaces are flush.
4. A vehicle-mounted charger structure according to claim 3, wherein: the outside shaping of insulating shell (22) has the fixture block that fixes a position, the inboard of main casing (3) corresponds the shaping of should fixing a position the fixture block and has the draw-in groove, panel portion (1) with after the reference column is connected, the fixture block that fixes a position with draw-in groove joint cooperation.
5. An in-vehicle charger structure according to claim 1, wherein: the top of insulating part is provided with the cooperation positive pole contact (6) locating rack, the locating rack is located insulating shell (22) lower part inboard, and shaping has on this lower insulating part (23) to match positive pole contact (6) connect the electric hole, positive pole contact (6) with behind the locating rack cooperation, the lower extreme of positive pole contact (6) wears out connect the lower extreme in electric hole.
6. An on-vehicle charger structure according to claim 5, wherein: the circumference surface shaping of lower insulating part (23) has the external screw thread, the internal shaping of lower casing (5) has the internal screw thread of this external screw thread of cooperation, be provided with insulating gasket between the top of lower casing (5) and the bottom of main casing (3).
7. An in-vehicle charger structure according to claim 1, wherein: the inner side of the upper insulation part (21) is provided with a light-emitting part (25), and the insulation protection structure (2) is integrally formed by transparent plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221680550.9U CN219875114U (en) | 2022-07-01 | 2022-07-01 | Vehicle-mounted charger structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221680550.9U CN219875114U (en) | 2022-07-01 | 2022-07-01 | Vehicle-mounted charger structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219875114U true CN219875114U (en) | 2023-10-20 |
Family
ID=88337131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221680550.9U Active CN219875114U (en) | 2022-07-01 | 2022-07-01 | Vehicle-mounted charger structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219875114U (en) |
-
2022
- 2022-07-01 CN CN202221680550.9U patent/CN219875114U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |