CN220935420U

CN220935420U - Spring sheet convenient to install and vehicle-mounted charger comprising spring sheet

Info

Publication number: CN220935420U
Application number: CN202322447716.3U
Authority: CN
Inventors: 柯伯焜
Original assignee: Shenzhen Veronda Technology Co ltd
Current assignee: Shenzhen Veronda Technology Co ltd
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2024-05-10
Anticipated expiration: 2033-09-11

Abstract

The utility model discloses an elastic sheet convenient to install and a vehicle-mounted charger containing the same, and the vehicle-mounted charger comprises a vehicle charging upper shell and a vehicle charging lower shell, wherein elastic sheet upper limit grooves are formed in two sides of the bottom end of the vehicle charging upper shell, a cylindrical pressing piece is arranged on the inner side of the vehicle charging upper shell, an elastic sheet support is arranged at the end of the vehicle charging lower shell, a cylindrical pressing piece is fixed through a hidden locking screw, separation and insulation between a connecting part on the opposite side of the cylindrical pressing piece and a power supply conversion circuit board are achieved, the vehicle-mounted charger is inserted into a cigar lighter, an elliptic lug is retracted into the vehicle charging lower shell through a side connecting part, insulation and separation of the connecting part on the opposite side are achieved through the cylindrical pressing piece, and therefore the side connecting part cannot be in contact short circuit with the side surface of the power supply conversion circuit board, and the use safety of the vehicle-mounted charger is further improved.

Description

Spring sheet convenient to install and vehicle-mounted charger comprising spring sheet

Technical Field

The utility model belongs to the technical field of vehicle-mounted chargers, and particularly relates to an elastic sheet convenient to install and a vehicle-mounted charger containing the elastic sheet.

Background

The vehicle-mounted charger is an accessory for facilitating a vehicle owner to charge electronic products anytime and anywhere by using a vehicle-mounted vehicle charging source. The traditional vehicle-mounted charger is usually welded with a conductive spring plate for electrically connecting a vehicle-mounted power supply on a circuit board of the vehicle-mounted charger, when the traditional vehicle-mounted charger is assembled with a shell and the spring plate, the spring plate is often jammed, the assembly is inconvenient, and the stability is insufficient.

Therefore, the vehicle-mounted charger with the bulletin number of CN218648168U and the elastic sheet thereof comprise a shell, a lower end cover, an electrode cap, a separation sleeve and the elastic sheet, wherein the elastic sheet comprises a circular ring, two side connecting parts are upwards formed at the outer side of the circular ring, a convex circle which protrudes outwards is formed at the upper part of the side connecting parts, a limit hole is formed in the shell, and the convex circle is clamped into the limit hole; the elastic piece adopts a circular ring, so that the elastic piece can be directly placed into the shell, the position of the elastic piece can be easily adjusted, and the assembly is more convenient and quick, and the stability is good.

But to above-mentioned on-vehicle charger and shell fragment thereof, though when the shell fragment equipment directly from the upper end opening part of shell put into can, the shell fragment can automatic gliding to the bottom opening of shell and by spacing, it is very convenient to assemble, and stability is good moreover, and it still has comparatively obvious defect below in the use: the vehicle-mounted charger can enable the side connecting part to retract into the shell to be in contact with the side face of the circuit board when being inserted into the vehicle-mounted cigar lighter, and because the side connecting part is made of metal, communication short circuit can be generated after the side connecting part is in contact with the circuit board, so that the problem of short circuit burnout of the circuit board occurs.

Disclosure of utility model

The utility model aims to provide a spring plate convenient to install and an on-vehicle charger containing the spring plate, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a shell fragment convenient to installation, fills the epitheca including the car, the car fills the bottom both sides of epitheca and sets up and be equipped with the shell fragment and go up the spacing groove, and the car fills the inboard of epitheca and be provided with the tube-shape casting die, the car fills the tip of inferior valve and be provided with the shell fragment support, the top of shell fragment support is provided with annular shell fragment seat, the car fills the tip left and right sides of inferior valve and is provided with shell fragment spacing groove down, the inboard of shell fragment seat and the tip that is located the shell fragment support are provided with annular recess, the outside bottom equidistance of tube-shape casting die is provided with the location briquetting that pushes down fixed to the shell fragment seat, the bottom surface of tube-shape casting die is provided with insulating annular plug-in components, the outside extension of upper end of tube-shape casting die is fixed with the inner wall of epitheca, the outside both sides of inferior valve are provided with hidden locking screw down is filled to the car, the inside both sides of inferior valve are filled to the car to hidden locking screw's one end screw thread.

Preferably, two side connecting parts are formed on the outer side of the end part of the spring plate seat, an outwards convex elliptical bump is formed on the upper part of the side connecting parts, and side extending parts are formed on the front side and the rear side of the end part of the spring plate seat, so that the vehicle-mounted charger can make the elliptical bump contact with the conductive contact piece on the inner side of the vehicle-mounted cigar lighter in a larger area after being inserted into the vehicle-mounted cigar lighter seat, and the phenomenon of poor contact is reduced.

Preferably, the middle part of shell fragment support is provided with U type draw-in groove, the joint is installed power conversion circuit board in the U type draw-in groove, the tip of power conversion circuit board is provided with porous charging seat, porous charging seat runs through the tip that sets up at the car and fills the epitheca, realizes fixing the assembly of power conversion circuit board to can use multiple charging wire port.

Preferably, the upper shell is filled to the car and fills the inferior valve combination with the car in inserting the recess through the insulating annular plug-in components that tube-shape casting die bottom set up, and the car fills the inferior valve both sides setting and run through and be provided with hidden locking screw thread run through to the inside of recess to insulating annular plug-in components locking, this item realizes through hidden locking screw locking fastening tube-shape casting die in the recess in the shell fragment support to the dismouting that the lower shell was filled to car in the later stage is decomposed.

Preferably, the elastic piece upper limit groove in the vehicle charging upper shell and the elastic piece lower limit groove in the vehicle charging lower shell are combined to form a limit cavity, the convex elliptical protruding block on the upper portion of the side connecting portion is movably limited on the inner side of the limit cavity, the side connecting portion is movably arranged in the cavity between the cylindrical pressing piece and the vehicle charging lower shell, and the blocking effect between the side connecting portion and the power supply conversion circuit board can be effectively achieved, and contact is avoided in power on.

Preferably, the positioning pressing block arranged on the outer side of the cylindrical pressing piece is used for pressing down and fixing the elastic piece seat at the end part of the elastic piece support, and after the upper shell is filled in the vehicle and the lower shell is filled in the vehicle, the bottom of the cylindrical pressing piece is inserted into the groove arranged on the elastic piece support to separate the opposite side connecting parts.

Preferably, an electrode contact cap is arranged at the center of the bottom of the vehicle charging lower shell, so that the vehicle-mounted charger and the vehicle-mounted cigar lighter can be contacted and conducted.

In addition, in order to achieve the above purpose, the utility model also provides an on-vehicle charger, which comprises the elastic sheet convenient to install.

The utility model has the technical effects and advantages that: this shell fragment convenient to installation and contain on-vehicle charger of this shell fragment, at first place shell fragment seat and side connecting portion in the tip of shell fragment seat, the shell fragment seat assembles to the inside that the shell fragment was filled down to the car simultaneously, make the oval lug bottom that sets up on the side connecting portion spacing in shell fragment lower limit groove, and the car fills the tip that the shell fragment bottom was filled down the shell fragment, make oval lug top spacing in shell fragment upper limit groove inboard, the insulating annular plug-in components of tube-shape casting die bottom insert to the recess this moment, and make the location briquetting compress tightly at the surface of shell fragment seat down, lock in the recess to insulating annular plug-in components through hidden locking screw, alright realize that the car fills the combination of shell fragment and car fills down the shell fragment and just need to tear down hidden locking screw after being convenient for make the car fill the shell fragment with the car and fill down the shell fragment separation, thereby do benefit to the dismouting and the change of shell fragment.

Simultaneously through the fixation of tube-shape casting die through hidden locking screw, make the separation insulation between tube-shape casting die contralateral connecting portion and the power conversion circuit board, make oval lug retract to the car through the side connecting portion in inserting the cigar lighter and fill inside the inferior valve, realize the insulating separation of contralateral connecting portion through tube-shape casting die shell, thereby can make the side connecting portion can not contact the short circuit with power conversion circuit board side, and then the on-vehicle charger of contrast file can make the side connecting portion retract to the inside side of casing and produce the contact with circuit board when inserting in the on-vehicle cigar lighter, because the side connecting portion is the metal can produce the intercommunication short circuit after contacting with the circuit board, cause the problem that the circuit board short circuit burns out to appear, further improve the security that this on-vehicle charger used.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a diagram showing a combination of a spring plate holder and a spring plate support according to the present utility model;

fig. 4 is a bottom view of the vehicle charging upper case of the present utility model.

In the figure: 1. filling an upper shell; 2. filling a lower shell; 3. a limit groove is formed on the spring plate; 4. a cylindrical pressing member; 5. a spring plate support; 6. a spring plate seat; 7. a spring piece lower limit groove; 8. a groove; 9. positioning a pressing block; 10. an insulating annular insert; 11. a hidden locking screw; 12. a side connection portion; 13. elliptical protruding blocks; 14. a side extension; 15. a U-shaped clamping groove; 16. a power conversion circuit board; 17. a porous charging stand; 18. the electrode contacts the cap.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-4, an elastic sheet convenient to install comprises a vehicle charging upper shell 1 and a vehicle charging lower shell 2, an electrode contact cap 18 is arranged at the center of the bottom of the vehicle charging lower shell 2, elastic sheet upper limit grooves 3 are formed in two sides of the bottom end of the vehicle charging upper shell 1 and used for limiting the upper part of a third elliptical convex block 13, a cylindrical pressing piece 4 is arranged on the inner side of the vehicle charging upper shell 1, an elastic sheet support 5 is arranged at the end part of the vehicle charging lower shell 2 and used for stably supporting an elastic sheet, a U-shaped clamping groove 15 is formed in the middle of the elastic sheet support 5, a power supply conversion circuit board 16 is fixed inside the U-shaped clamping groove 15, a power supply conversion circuit board 16 is mounted in the U-shaped clamping groove 15 in a clamping mode, a porous charging seat 17 is arranged at the end part of the power supply conversion circuit board 16 and used for charging various digital devices, and the porous charging seat 17 penetrates through the end part of the vehicle charging upper shell 1 so as to facilitate the insertion of a charging wire plug.

The top of shell fragment support 5 is provided with annular shell fragment seat 6, and the tip outside side of shell fragment seat 6 is formed with two side connection portion 12 upwards, side connection portion 12 is the metal material design, and have certain elasticity, the upper portion of side connection portion 12 is formed with the oval lug 13 of evagination, can be bigger the effect that the surface conduction is carried out with the inside metal conducting strip of on-vehicle cigar lighter, the tip front and back side of shell fragment seat 6 upwards is formed with side extension 14, in order to weld the fixed between power connecting wire on the power conversion circuit board 16 and side extension 14, limit cavity is constituteed with the shell fragment lower limit groove 7 combination in the shell fragment in the vehicle charging upper shell 1 and the vehicle charging lower shell 2, be favorable to side connection portion 12 to carrying out elastic shrinkage.

The oval lug 13 of side connecting portion 12 upper portion evagination activity is spacing in spacing intracavity side, and side connecting portion 12 activity sets up in the cavity between tube-shape casting die 4 and car fills inferior valve 2, reduce the contact of side connecting portion 12 and power conversion circuit board 16, the tip left and right sides that fills inferior valve 2 is provided with shell fragment lower limit groove 7 for spacing to oval lug 13 bottom, the inboard of shell fragment seat 6 is provided with annular recess 8 with the tip that is located shell fragment support 5, can make location briquetting 9 insert in recess 8, the outside bottom equidistance of tube-shape casting die 4 is provided with and carries out the location briquetting 9 of pushing down fixedly to shell fragment seat 6, improve the stability of shell fragment seat 6, the location briquetting 9 that tube-shape casting die 4 outside set up is used for pushing down the end of fixing at shell fragment support 5 to shell fragment seat 6.

The bottom surface of tube-shape casting die 4 is provided with insulating annular plug-in components 10, play the fixed action to tube-shape casting die 4, the upper end of tube-shape casting die 4 outwards extends and fills the inner wall of epitheca 1 with the car and fix, can effectively form the space and make side connecting portion 12 have certain elasticity to retract the space, the outside both sides of inferior valve 2 are filled to the car are provided with hidden locking screw 11, and the one end screw thread of hidden locking screw 11 runs through to the inside both sides of inferior valve 2 are filled to the car, be used for the locking fixed to tube-shape casting die 4, the upper shell 1 is filled to the car through the insulating annular plug-in components 10 that tube-shape casting die 4 bottom set up insert into recess 8 with the inferior valve 2 combination, and the inferior valve 2 both sides are filled to the car sets up and runs through the inside that is provided with hidden locking screw 11 screw thread and runs through to recess 8 to insulating annular plug-in 10 locking, realize filling the locking fixed after epitheca 1 and inferior valve 2 combination.

Specifically, when the automobile shell is used, firstly, the elastic sheet seat 6 and the side connecting part 12 are arranged at the end part of the elastic sheet seat 6, meanwhile, the elastic sheet seat 6 is assembled inside the automobile shell 2, the bottom end of the elliptical protruding block 13 arranged on the side connecting part 12 is limited in the elastic sheet lower limiting groove 7, the bottom of the automobile shell 1 is butted at the end part of the automobile shell 2, the top end of the elliptical protruding block 13 is limited at the inner side of the elastic sheet upper limiting groove 3, at the moment, the insulating annular insert 10 at the bottom of the cylindrical pressing piece 4 is inserted into the groove 8, the positioning pressing block 9 is tightly pressed on the surface of the elastic sheet seat 6, the insulating annular insert 10 is locked in the groove 8 through the hidden locking screw 11, so that the combined fixation of the automobile shell 1 and the automobile shell 2 can be realized, and the automobile shell 2 can be separated by only disassembling the hidden locking screw after being convenient, so that the disassembly and replacement of the elastic sheet are facilitated.

Simultaneously through the fixation of tube-shape casting die 4 through hidden locking screw 11, make tube-shape casting die 4 offside connecting portion 12 and the separation insulation between the power conversion circuit board 16, let on-vehicle charger insert in the cigar lighter make oval lug 13 retract to the car through side connecting portion 12 and fill inside the inferior valve 2, realize the insulating separation of offside connecting portion 12 through tube-shape casting die 4 shell, thereby can make side connecting portion 12 can not with the power conversion circuit board 16 side contact short circuit, and then the side that can make side connecting portion 12 retract to the casing when inserting in on-vehicle cigar lighter and produce the contact with the side of circuit board because side connecting portion 12 is the metal and can produce the intercommunication short circuit after contacting with the circuit board, cause the problem that the circuit board short circuit burns out to appear, further improve the security that this on-vehicle charger used.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a shell fragment convenient to installation, fills epitheca (1), car including the car, the bottom both sides that epitheca (1) were filled to the car are provided with spacing groove (3) on the shell fragment, and the inboard that epitheca (1) was filled to the car is provided with tube-shape casting die (4), the tip that inferior valve (2) was filled to the car is provided with shell fragment support (5), the top of shell fragment support (5) is provided with annular shell fragment seat (6), the tip left and right sides that inferior valve (2) was filled to the car is provided with shell fragment lower spacing groove (7), its characterized in that: the inside of shell fragment seat (6) and be located the tip of shell fragment support (5) and be provided with annular recess (8), outside bottom equidistance of tube-shape casting die (4) is provided with and pushes down fixed location briquetting (9) down to shell fragment seat (6), the bottom surface of tube-shape casting die (4) is provided with insulating annular plug-in components (10), the upper end of tube-shape casting die (4) outwards extends and fills the inner wall of epitheca (1) fixedly with the car, the outside both sides of inferior valve (2) are filled to the car are provided with hidden locking screw (11), the one end screw thread of hidden locking screw (11) runs through to the inside both sides of inferior valve (2) are filled to the car.

2. The spring plate convenient to install according to claim 1, wherein: two side connecting parts (12) are upwards formed on the outer side of the end part of the elastic sheet seat (6), an outwards convex elliptical protruding block (13) is formed on the upper part of the side connecting parts (12), and side extending parts (14) are upwards formed on the front side and the rear side of the end part of the elastic sheet seat (6).

3. The spring plate convenient to install according to claim 1, wherein: the middle part of shell fragment support (5) is provided with U type draw-in groove (15), joint installs power conversion circuit board (16) in U type draw-in groove (15), the tip of power conversion circuit board (16) is provided with porous charging seat (17), porous charging seat (17) run through the tip that sets up at car charging upper shell (1).

4. The spring plate convenient to install according to claim 1, wherein: the upper shell (1) is filled to the car through the insulating annular plug-in components (10) that tube-shape casting die (4) bottom set up insert in recess (8) with fill lower shell (2) combination, and fill lower shell (2) both sides and run through and be provided with hidden locking screw (11) screw thread run through to the inside of recess (8) to insulating annular plug-in components (10) locking.

5. A spring plate for facilitating installation according to claim 2, wherein: the automobile charging upper shell (1) is characterized in that an elastic sheet upper limit groove (3) and an elastic sheet lower limit groove (7) in the automobile charging lower shell (2) are combined to form a limit cavity, an oval lug (13) protruding outwards from the upper portion of the side connecting portion (12) is movably limited on the inner side of the limit cavity, and the side connecting portion (12) is movably arranged in a cavity between the cylindrical pressing piece (4) and the automobile charging lower shell (2).

6. The spring plate convenient to install according to claim 1, wherein: the positioning pressing block (9) arranged on the outer side of the cylindrical pressing piece (4) is used for pressing down the elastic piece seat (6) and fixing the elastic piece seat at the end part of the elastic piece support (5).

7. The spring plate convenient to install according to claim 4, wherein: an electrode contact cap (18) is arranged at the bottom center of the vehicle charging lower shell (2).

8. An in-vehicle charger comprising a spring for facilitating installation as claimed in any one of claims 1 to 7.