Vehicle-mounted automobile charger
By using a sealed, flexible connector and annular groove design in the car charger, combined with a column and limiting groove structure, the problems of wire-to-casing friction and dust ingress are solved, achieving charger stability and extended service life.
Patent Information
- Application Number
- CN202422583020.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-10-25
AI Technical Summary
During use, existing car chargers experience friction between the cable and the wire holes in the casing, which may cause cracking and allow dust to easily enter, affecting their lifespan.
The system employs sealed first and second elastic connectors with an annular groove design embedded in the carrier plate. Combined with the structure of columns, threaded holes, and limiting grooves, it ensures a stable connection between the connecting wire and the carrier plate, and prevents dust from entering through silicone pads and sealing rings.
It effectively avoids wear and tear on the connecting wires, increases the charger's sealing and stability, extends its service life, prevents dust from entering, and improves the normal operating reliability of electronic components.
Smart Images
Figure CN223567327U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of vehicle-mounted charger technology, and more specifically, to a vehicle-mounted car charger. Background Technology
[0002] A car charger is a device that uses a car battery (12V for cars, 24V for trucks) to power its battery. It is widely used in the charging of lithium batteries for various portable and handheld devices. Frequent starting of a car, long parking time, poor battery quality, or alternator failure can all cause the battery voltage to drop, making it difficult or impossible to start the car. A car charger is a tool used to charge car batteries.
[0003] Current car chargers, due to the exposed thickness of the wiring and casing, experience friction between the wires and the wire holes in the casing during use. This can lead to cracking over time. Furthermore, exposed bolts during installation allow dust to enter, affecting internal electronic components and resulting in a short lifespan.
[0004] Existing technology has flaws and needs improvement. Utility Model Content
[0005] In order to overcome the shortcomings of current technology, this utility model provides a vehicle charger.
[0006] The present invention provides a vehicle charger comprising a housing, an inner cover, and a carrier plate. The carrier plate has a fixing cavity for mounting electronic components. The inner cover is disposed on the carrier plate, and the housing covers the inner cover and is fixed to the carrier plate. The housing has a folding opening. The electronic components include a motherboard and a display board, both of which are fixed within the fixing cavity of the carrier plate. One end of the carrier plate has a first through hole, and the other end has a second through hole. A first connecting wire and a second connecting wire are respectively sealed and installed in the first and second through holes. One end of each of the first and second connecting wires is connected to the motherboard within the fixing cavity.
[0007] Preferably, the connection points between the first connecting line and the second connecting line and the carrier plate are respectively provided with a first elastic connector and a second elastic connector for sealing.
[0008] Preferably, the first elastic connector has a connecting hole for the first connecting wire to pass through, and the outer wall of the first elastic connector has a first annular groove that can be embedded into the wire hole of the carrier plate.
[0009] Preferably, the outer shell is provided with multiple columns, which are spaced apart and opposite to each other inside the outer shell. The carrier plate is provided with multiple threaded holes, and the inner cover is provided with multiple circular holes.
[0010] Preferably, a first limiting groove and a second limiting groove are respectively formed on the outer side walls at both ends of the outer casing, and a first connecting wire and a second connecting wire can be placed in the first limiting groove and the second limiting groove respectively.
[0011] Preferably, the inner bottom surface of the carrier board is provided with a silicone pad, the upper surface of the silicone pad abuts against the bottom surface of the motherboard, and the lower surface of the silicone pad is provided with an adsorption pad.
[0012] Preferably, the connection between the carrier plate and the inner cover is provided with an annular groove, and a sealing ring is provided in the annular groove.
[0013] Preferably, the bottom of the carrier plate is provided with multiple rubber pads.
[0014] Preferably, a first cavity and a second cavity are respectively provided at both ends of the carrier plate on one side of the first through hole and the second through hole, and a fixing strip is provided in both the first cavity and the second cavity.
[0015] Preferably, the inner cover further includes a heat-conducting boss, on which a heat-conducting pad is disposed, and the heat-conducting pad is disposed opposite to the electronic components in the fixed cavity.
[0016] Compared to the advantages of existing technologies, this utility model features a first elastic connector and a second elastic connector to prevent friction between the first and second connecting wires and the carrier plate during use, thus avoiding damage. It also includes a first annular groove that can be embedded into the wire hole in the carrier plate for better insertion and increased sealing. Furthermore, it incorporates an internal fixing post and threaded holes to better secure the outer shell, inner cover, and carrier plate, preventing dust ingress and extending the charger's lifespan. This design has significant market application value. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Markings: 1. Outer shell, 2. Carrier plate, 11. Folding opening, 3. First connecting line, 4. Second connecting line, 5. Main board, 6. Display board, 7. First through hole, 8. Second through hole, 22. Annular groove, 9. Silicone pad. Detailed Implementation
[0019] It should be noted that the above-mentioned technical features can be combined with each other to form various embodiments not listed above, all of which are considered to be within the scope of this utility model specification; and, for those skilled in the art, improvements or modifications can be made based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims of this utility model.
[0020] To facilitate understanding of this utility model, a more detailed description is provided below with reference to the accompanying drawings and specific embodiments. The accompanying drawings show preferred embodiments of this utility model. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.
[0021] It should be noted that when a component is described as being "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is described as being "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this specification are for illustrative purposes only.
[0022] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention.
[0023] The present invention will now be described in detail with reference to the accompanying drawings.
[0024] A vehicle charger includes a housing 1, an inner cover, and a carrier plate 2. The carrier plate 2 has a fixing cavity for mounting electronic components. The inner cover is disposed on the carrier plate 2. The housing 1 covers the inner cover and is fixed to the carrier plate 2. The housing 1 has a folding opening 11. The electronic components include a motherboard 5 and a display board 6. The motherboard 5 and the display board 6 are both fixed in the fixing cavity within the carrier plate 2. One end of the carrier plate 2 has a first through hole 7, and the other end of the carrier plate 2 has a second through hole 8. A first connecting wire 3 and a second connecting wire 4 are respectively sealed and installed in the first through hole 7 and the second through hole 8. One end of the first connecting wire 3 and the second connecting wire 4 are both connected to the motherboard 5 in the fixing cavity.
[0025] It should be noted that by sealing the inner cover and the carrier plate 2, as well as sealing the first connecting line 3 and the second connecting line 4 within the carrier plate 2, damage to the connecting lines caused by friction in the through holes of the carrier plate 2 during long-term use is avoided. At the same time, dust ingress that could cause a short circuit in the motherboard 5 is also prevented, ensuring the normal operation of electronic components. In addition, the addition of sealing rings and limiting posts ensures the stability and aesthetics of the charger.
[0026] Preferably, the connection points between the first connecting line 3 and the second connecting line 4 and the carrier plate 2 are respectively provided with a first elastic connector and a second elastic connector for sealing.
[0027] It should be noted that the first elastic connector and the second elastic connector have the same structure;
[0028] Furthermore, both the first and second elastic connectors are used to prevent the connecting wire from being damaged by shaking and friction within the through hole during use.
[0029] Preferably, the first elastic connector is provided with a connecting hole for the first connecting wire 3 to pass through, and the outer wall of the first elastic connector is provided with a first annular groove 22 that can be embedded into the wire hole of the carrier plate 2.
[0030] It should be noted that the second elastic connector is provided with a connecting hole for the second connecting wire 4 to pass through, and the outer wall of the second elastic connector is provided with a second annular groove 22 that can be embedded into the wire hole of the carrier plate 2.
[0031] Preferably, the outer shell 1 is provided with a plurality of columns, which are spaced apart and opposite to each other inside the outer shell 1; the carrier plate 2 is provided with a plurality of threaded holes; and the inner cover is provided with a plurality of circular holes.
[0032] It should be noted that the bottom ends of multiple columns pass through multiple circular holes on the inner cover and connect with multiple screw holes in the carrier plate 2;
[0033] Furthermore, at least two pairs of each of the multiple columns, multiple threaded holes, and multiple circular holes are provided.
[0034] Preferably, a first limiting groove and a second limiting groove are respectively provided on the outer side walls at both ends of the outer casing 1, and a first connecting line 3 and a second connecting line 4 can be placed in the first limiting groove and the second limiting groove respectively.
[0035] It should be noted that placing the first connecting wire 3 and the second connecting wire 4 in the first limiting groove and the second limiting groove can ensure that the charger can be conveniently and quickly stored when it is not working.
[0036] Preferably, the inner bottom surface of the carrier plate 2 is provided with a silicone pad 9, the upper surface of the silicone pad 9 abuts against the bottom surface of the motherboard 5, and the lower surface of the silicone pad 9 is provided with an adsorption pad.
[0037] It should be noted that the silicone pad 9 ensures that the motherboard 5 will not be damaged by violent vibration in the fixed cavity, and the adsorption pad will absorb the dust or moisture generated in the fixed cavity.
[0038] Preferably, an annular groove 22 is provided at the connection between the carrier plate 2 and the inner cover, and a sealing ring is provided in the annular groove 22.
[0039] It should be noted that the sealing ring can better seal the carrier plate 2 with the inner cover, preventing dust from entering.
[0040] Preferably, the bottom of the carrier plate 2 is provided with multiple rubber pads.
[0041] Preferably, the carrier plate 2 has a first cavity and a second cavity respectively located on one side of the first through hole 7 and the second through hole 8 at both ends, and a fixing strip is provided in both the first cavity and the second cavity.
[0042] It should be noted that the middle part of the fixing strip is located in the concave cavity, and the two ends of the fixing strip are fixedly connected to the connecting line.
[0043] Preferably, the inner cover further includes a heat-conducting boss, on which a heat-conducting pad is disposed, and the heat-conducting pad is disposed opposite to the electronic components in the fixed cavity.
[0044] It should be noted that the thermal pad is used to dissipate the working heat of the electronic components inside the cavity.
[0045] Furthermore, a heat sink connected to the inner cover's thermal pad is provided on the outer cover, and a heat dissipation through hole is provided on the outer cover, with the heat dissipation through hole being positioned opposite to the heat sink.
[0046] It should be noted that the above-mentioned technical features can be combined with each other to form various embodiments not listed above, all of which are considered to be within the scope of this utility model specification; and, for those skilled in the art, improvements or modifications can be made based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims of this utility model.
Claims
1. A vehicle charger, characterized in that, The device includes an outer shell, an inner cover, and a carrier plate. The carrier plate has a fixing cavity for mounting electronic components. The inner cover is disposed on the carrier plate. The outer shell is mounted outside the inner cover and fixed to the carrier plate. The outer shell has a folding opening. The electronic components include a motherboard and a display board. The motherboard and the display board are both fixed in the fixing cavity within the carrier plate. One end of the carrier plate has a first through hole, and the other end of the carrier plate has a second through hole. A first connecting wire and a second connecting wire are respectively sealed and installed in the first through hole and the second through hole. One end of the first connecting wire and the second connecting wire are both connected to the motherboard in the fixing cavity.
2. The vehicle charger according to claim 1, characterized in that, The first connecting line and the second connecting line are respectively provided with a first elastic connector and a second elastic connector at the connection points with the carrier plate.
3. A vehicle charger according to claim 2, characterized in that, The first elastic connector is provided with a connecting hole for the first connecting wire to pass through, and the outer wall of the first elastic connector is provided with a first annular groove that can be embedded into the wire hole of the carrier plate.
4. A vehicle charger according to claim 1, characterized in that, Multiple columns are provided inside the outer shell, and the columns are spaced apart and opposite to each other inside the outer shell. Multiple threaded holes are provided inside the carrier plate, and multiple circular holes are provided on the inner cover.
5. A vehicle charger according to claim 1, characterized in that, The outer walls at both ends of the outer casing are respectively provided with a first limiting groove and a second limiting groove, and a first connecting wire and a second connecting wire can be placed in the first limiting groove and the second limiting groove respectively.
6. A vehicle charger according to claim 1, characterized in that, The inner bottom surface of the carrier board is provided with a silicone pad, the upper surface of the silicone pad is in contact with the bottom surface of the motherboard, and the lower surface of the silicone pad is provided with an adsorption pad.
7. A vehicle charger according to claim 1, characterized in that, An annular groove is provided at the connection between the carrier plate and the inner cover, and a sealing ring is provided in the annular groove.
8. A vehicle charger according to claim 1, characterized in that, The bottom of the carrier plate is provided with multiple rubber pads.
9. A vehicle charger according to claim 1, characterized in that, The carrier plate has a first cavity and a second cavity respectively located on one side of the first through hole and the second through hole at both ends, and a fixing strip is provided in both the first cavity and the second cavity.
10. A vehicle charger according to claim 1, characterized in that, The inner cover also includes a heat-conducting boss, on which a heat-conducting pad is disposed. The heat-conducting pad is disposed opposite to the electronic components and is disposed within the fixed cavity.