CN213973610U

CN213973610U - On-vehicle charger convenient to assembly is maintained

Info

Publication number: CN213973610U
Application number: CN202023107059.0U
Authority: CN
Inventors: 侯国成
Original assignee: Shenzhen Tengshun Power Technology Co ltd
Current assignee: Shenzhen Tengshun Power Technology Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-08-17
Anticipated expiration: 2030-12-21

Abstract

The utility model provides an on-vehicle charger is maintained in assembly of being convenient for, including casing and protector, the casing bottom is rotated and is connected with the chassis, and chassis surface fixed surface is connected with power converter, and casing both sides surface is provided with movable cassette, and fixed surface installs the top cap on the casing, and the USB interface has been seted up on the top cap surface. The utility model discloses, through setting up protector, when on-vehicle charger inserts when the car in, power converter is connected with cigarette lighter department in the car, after the cell-phone is full of, only need stimulate the handle and promote the panel forward, the slide rail slides in the recess of bottom plate, make the panel cover the USB interface completely, help preventing like this that there is debris to enter into the USB interface, also prevent to insert the interface because of child and cause the injury, present most of on-vehicle chargers just pull out when not using, perhaps block the USB interface because of foreign matters such as watering easily and cause the damage, the device's application avoids above-mentioned problem and effectively improve equipment's practicality.

Description

On-vehicle charger convenient to assembly is maintained

Technical Field

The utility model relates to a charger technical field especially relates to an on-vehicle charger is maintained in assembly of being convenient for.

Background

With the diversification and popularization of rechargeable electronic equipment, the popularity of automobiles is increasing, so that an on-board charger is essential basic equipment in an automobile, and the on-board charger is an on-board charger which is powered by an automobile battery (12V for a car and 24V for a truck) and is widely used in the field of lithium battery charging of various portable and handheld devices. Such as: cell phones, PDAs, GPS, etc.; the vehicle-mounted charger not only considers the actual requirements of lithium battery charging (constant voltage CV, constant current CC and overvoltage protection OVP), but also considers the severe environment of the vehicle-mounted storage battery (transient spike voltage, system switch noise interference, EMI and the like); therefore, the power management IC selected by the vehicle charging scheme must simultaneously satisfy: high voltage resistance, high efficiency, high reliability and low frequency (beneficial to the design of EMI). At present, the existing charging equipment is set by the time of automobile production. The demand of vehicle-mounted chargers for charging mobile phones is increasing; the existing vehicle-mounted USB port charger has the main structure that: the charger body is inserted into a power-taking plug of a 12V/24V cigarette lighter socket of the automobile, the power supply provides a 5V USB interface, and the voltage reduction from 12V/24V to 5V is realized inside the power supply through a voltage reduction circuit; corresponding data charging wires are inserted into the USB port, and charging of the mobile phone, the vehicle-mounted equipment and the like can be achieved.

At present, most of existing vehicle-mounted chargers are pulled out when not in use, or the USB interface is easily clamped by foreign matters such as watering and the like to cause damage, so that the vehicle-mounted charger convenient to assemble and maintain is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the on-vehicle charger of being convenient for assembly maintenance who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an on-vehicle charger convenient to assembly is maintained, includes casing and protector, the casing bottom is rotated and is connected with the chassis, chassis surface fixed connection has power converter, power converter and the inside electric connection of casing, casing both sides surface is provided with movable cassette, two movable cassettes are mirror symmetry and set up, fixed surface installs the top cap on the casing, protector is located the top cap surface and sets up, the USB interface has been seted up on the top cap surface, the USB interface is provided with four and is the permutation and combination setting.

Preferably, the protection device comprises a bottom plate, the bottom plate is arranged on the surface of the top cover, and the middle of the bottom plate is arranged to penetrate through the USB interface.

Preferably, bottom plate surface one side fixedly connected with fixing base, the notch has been seted up to the fixing base inside, notch sliding connection has the panel, panel fixed surface is connected with the handle, panel bottom both sides fixedly connected with slide rail.

Preferably, the two sides of the surface of the bottom plate are provided with grooves, the two grooves are symmetrically arranged, and the sliding rails are connected inside the grooves in a sliding manner.

Preferably, the bottom surface of the top cover is provided with a fixing device, and the fixing device comprises a fixing frame.

Preferably, fixed frame fixed surface is connected with expanding spring, expanding spring is provided with four, four expanding spring are the setting of symmetry mirror image, four expanding spring surfaces all are provided with transparent protection casing, the expanding spring top is provided with the couple, the couple offsets with the top cap bottom surface, the fixed frame bottom is provided with the sucking disc.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model discloses in, through setting up protector, when on-vehicle charger inserts in the car, power converter is connected with cigarette lighter department in the car, make whole device be in the on-state, need charge for the cell-phone, directly connect the USB interface with the data line, after the cell-phone is full of, need not extract the charger, only need stimulate the handle and promote the panel forward, the slide rail slides in the recess of bottom plate, make the panel cover the USB interface completely, help preventing like this that there is debris from entering into the USB interface, also prevent to insert the interface and cause the injury because of child, most of on-vehicle chargers that have at present just extract when not using, perhaps block the USB interface because of foreign matters such as watering easily and cause the damage, the device's application avoids above-mentioned problem and effectively improve equipment's practicality.

2. In the utility model, by arranging the fixing device, when the vehicle charger is in the working process, the charger can shake due to manpower or the reason of the vehicle, the power converter can be damaged, therefore, when the vehicle charger is inserted into the cigarette lighting position in the vehicle, the fixing frame is stretched to a proper position in the vehicle and then is fixed in the vehicle through the sucker, the expansion spring generates tension, the vehicle shakes or swings caused by careless manual touch, the charger can not deviate, the service life is prolonged, when the charger needs to be taken out, the sucker is pulled open, the expansion spring resets to drive the fixing frame to reset, moreover, the surface of the expansion spring is sleeved with a layer of transparent protective cover, the hand can not be hurt due to the spring, most of the current vehicle chargers still have the inconvenience of installation and fixation, and can not play a protection role on the charger, the application of the device avoids the problems and effectively improves the stability of the equipment.

Drawings

Fig. 1 is a schematic perspective view of a vehicle-mounted charger convenient for assembly and maintenance according to the present invention;

fig. 2 is a schematic view of a top-down perspective structure of the vehicle-mounted charger convenient for assembly and maintenance of the present invention;

fig. 3 is a schematic perspective view of a protection device for conveniently assembling and maintaining a vehicle-mounted charger according to the present invention;

fig. 4 is the utility model provides a fixing device's spatial structure schematic diagram convenient to assembly maintenance vehicle charger.

Illustration of the drawings: 1. a housing; 2. a top cover; 3. a USB interface; 4. a guard; 5. a fixing device; 6. a chassis; 7. a movable card holder; 8. a power converter; 41. a fixed seat; 42. a notch; 43. a panel; 44. a handle; 45. a slide rail; 46. a groove; 47. a base plate; 51. a tension spring; 52. a suction cup; 53. a fixed frame; 54. hooking; 55. a transparent shield.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1-4, the utility model provides an on-vehicle charger convenient to assembly maintenance, including casing 1 and protector 4.

The specific arrangement and function of the protective means 4 and the fixing means 5 will be described in detail below.

As shown in fig. 1 and 3, the protection device 4 includes a bottom plate 47, the bottom plate 47 is located the surface setting of top cap 2, run through the setting with the USB interface 3 in the middle of the bottom plate 47, bottom plate 47 surface one side fixedly connected with fixing base 41, fixing base 41 has seted up notch 42 inside, notch 42 sliding connection has panel 43, panel 43 surface fixedly connected with handle 44, panel 43 bottom both sides fixedly connected with slide rail 45, bottom plate 47 surface both sides have seted up recess 46, two recesses 46 are the symmetry setting, slide rail 45 sliding connection is inside recess 46.

The effect that its whole protector 4 reaches does, through setting up protector 4, when on-vehicle charger inserts in the car, power converter 8 is connected with the interior cigarette department of car, make whole device be in the on state, need charge for the cell-phone, directly connect USB interface 3 with the data line, after the cell-phone is full of, need not extract the charger, only need stimulate handle 44 and promote panel 43 forward, slide rail 45 slides in the recess 46 of bottom plate, make panel 43 cover USB interface 3 completely, help preventing like this that there is debris to enter into USB interface 3, also prevent to insert the interface because of child and cause the injury because of pointing, present most current on-vehicle chargers just pull out when not using, or block the USB interface because of foreign matters such as watering easily and cause the damage, the practicality of equipment is effectively improved to the above-mentioned problem of application of the device.

As shown in fig. 1 and 4, the fixing device 5 is arranged on the bottom surface of the top cover 2, the fixing device 5 includes a fixing frame 53, the surface of the fixing frame 53 is fixedly connected with four extension springs 51, the four extension springs 51 are arranged in a symmetrical mirror image manner, the surfaces of the four extension springs 51 are all provided with transparent protective covers 55, the top of each extension spring 51 is provided with a hook 54, the hooks 54 are abutted to the bottom surface of the top cover 2, and the bottom of the fixing frame 53 is provided with a suction cup 52.

The whole fixing device 5 has the advantages that by arranging the fixing device 5, when the vehicle-mounted charger works, the charger can shake due to manpower or the vehicle, and the power supply converter 8 can be damaged, so when the vehicle-mounted charger is inserted into a cigarette lighting position in the vehicle, the fixing frame 53 is stretched to a proper position in the vehicle and then is fixed in the vehicle through the suction cup 52, the extension spring 51 generates tension, the charger can not deflect due to the shake of the vehicle or the careless contact of the worker, the service life is prolonged, when the charger needs to be taken out, the suction cup 52 is opened, the extension spring 51 resets to drive the fixing frame 53 to reset, the surface of the extension spring 51 is sleeved with the transparent protective cover 55, hands cannot be injured due to the spring, and most of the conventional vehicle-mounted chargers are inconvenient to mount and fix, the charger cannot be protected, the device is applied to avoid the problems and effectively improve the stability of equipment.

Embodiment 2, different from embodiment 1, as shown in fig. 1, the bottom of the casing 1 is rotatably connected with a chassis 6, the outer surface of the chassis 6 is fixedly connected with a power converter 8, the power converter 8 is electrically connected with the inside of the casing 1, the surfaces of the two sides of the casing 1 are provided with movable clamping seats 7, the two movable clamping seats 7 are arranged in a mirror symmetry manner, the top cover 2 is fixedly installed on the upper surface of the casing 1, the protection device 4 is arranged on the surface of the top cover 2, the USB interface 3 is arranged on the surface of the top cover 2, and the USB interface 3 is provided with four and arranged in combination.

The whole working principle is that when the vehicle-mounted charger is inserted into a vehicle, the power converter 8 is connected with a cigarette lighting position in the vehicle, so that the whole device is in a power-on state, a mobile phone needs to be charged, the USB interface 3 is directly connected by a data line, when the mobile phone is fully charged, the charger does not need to be pulled out, only the handle 44 needs to be pulled to push the panel 43 forwards, and the sliding rail 45 slides in the groove 46 of the bottom plate, so that the panel 43 completely covers the USB interface 3, thereby being beneficial to preventing sundries from entering the USB interface 3 and also preventing the injury caused by inserting fingers into the interface by children, most of the current vehicle-mounted chargers are pulled out when not in use, or are easy to block the USB interface by foreign matters such as water sprinkling and the like to cause damage, the application of the device avoids the problems and effectively improves the practicability of equipment, when the vehicle-mounted charger works, the charger can shake caused by manpower or the reason of the vehicle, it is possible to damage power converter 8, therefore, when the on-vehicle charger inserted cigarette department in the car, tensile fixed frame 53 to suitable position in the car, then fix in the car through sucking disc 52, expanding spring 51 produces tension, the car rocks or because of the artifical swing of accidentally knocking into and causing, the skew can not take place for the charger, increase of service life, when needs take out the charger, dig out sucking disc 52, expanding spring 51 resets, drive fixed frame 53 resets, and, expanding spring 51 surface cover has one deck transparent protection casing 55, can not consequently hinder the hand because of the spring, the installation is fixed inconvenient still in the present most on-vehicle charger of current, can't play the guard action to the charger, the device's application is avoided above-mentioned problem and is effectively improve equipment's stability.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides an on-vehicle charger convenient to assembly maintenance, includes casing (1) and protector (4), its characterized in that: the bottom of the shell (1) is rotatably connected with a chassis (6), the outer surface of the chassis (6) is fixedly connected with a power converter (8), the power converter (8) is electrically connected with the inside of the shell (1), the surfaces of two sides of the shell (1) are provided with movable clamping seats (7), and the two movable clamping seats (7) are arranged in a mirror symmetry manner;

fixed surface installs top cap (2) on casing (1), protector (4) are located top cap (2) surface and set up, USB interface (3) have been seted up on top cap (2) surface, USB interface (3) are provided with four and are the permutation and combination setting.

2. An on-board charger facilitating assembly and maintenance according to claim 1, wherein: the protection device (4) comprises a bottom plate (47), wherein the bottom plate (47) is arranged on the surface of the top cover (2), and the middle of the bottom plate (47) is arranged in a penetrating manner with the USB interface (3).

3. An on-board charger facilitating assembly and maintenance according to claim 2, wherein: bottom plate (47) surface one side fixedly connected with fixing base (41), notch (42) have been seted up to fixing base (41) inside, notch (42) sliding connection has panel (43), panel (43) fixed surface is connected with handle (44), panel (43) bottom both sides fixedly connected with slide rail (45).

4. A vehicle charger facilitating assembly and maintenance according to claim 3, wherein: the two sides of the surface of the bottom plate (47) are provided with grooves (46), the two grooves (46) are symmetrically arranged, and the sliding rail (45) is connected inside the grooves (46) in a sliding manner.

5. An on-board charger facilitating assembly and maintenance according to claim 1, wherein: the bottom surface of the top cover (2) is provided with a fixing device (5), and the fixing device (5) comprises a fixing frame (53).

6. An on-board charger facilitating assembly and maintenance according to claim 5, wherein: fixed frame (53) fixed surface is connected with expanding spring (51), expanding spring (51) are provided with four, four expanding spring (51) are the setting of symmetry mirror image, four expanding spring (51) surfaces all are provided with transparent protection casing (55), expanding spring (51) top is provided with couple (54), couple (54) offset with top cap (2) bottom surface, fixed frame (53) bottom is provided with sucking disc (52).