CN204424950U - One-button automatic retractable charger - Google Patents

Abstract

The utility model discloses an automatic shrink charger of a key includes a shell and arranges the inside circuit board of shell in, fixed mounting has the USB interface and with the corresponding on-vehicle plug of vehicle power supply jack on this circuit board, the shell upper end still is provided with a connecting seat, installs in the connecting seat and rotatable winding mechanism, rolling in the locking mechanism of winding mechanism outlying USB data line and being used for locking winding mechanism and be used for driving the button of locking mechanism work, and this button appears outside the connecting seat upper end, and the USB plug of USB data line one end appears in the connecting seat outside, the USB data line other end with circuit board electric connection, after pressing the button, this button drive locking mechanism breaks away from winding mechanism, and winding mechanism rotation is with automatic rolling USB data line. The utility model discloses it is very simple and convenient to use, and the USB data line can realize a key rolling to portable, collection can prevent effectively that the USB data line from losing, the order the utility model discloses higher market competition has.

Description

One-button automatic retractable charger

Technical field:

The utility model relates to the technical field of charger products, in particular to a one-button automatic retractable charger that is easy to use, carry and store.

Background technique:

At present, electronic portable products such as mobile phones and digital cameras have become indispensable daily necessities for modern people, and these devices are generally equipped with rechargeable batteries, special chargers and data cables. The other end is equipped with a standard USB interface. After connecting to a USB interface such as a computer through a data cable, it can communicate or charge the battery. However, since special chargers and computers all use AC power, charging of these electronic portable products becomes a problem in the wild. The appearance of a new charger-car USB charger solves this problem. In the existing cigarette lighter interface on the car, the electronic portable products are charged through the data line.

When the current car USB chargers are in use, they need to be connected to the electronic portable products through an additional USB data cable to charge the electronic portable products. In this way, there are problems such as easy loss of the USB data cable or inconvenient storage of the USB data cable, which is very difficult to use. Inconvenient, and cause great trouble to the user.

Utility model content:

The purpose of the utility model is to overcome the deficiencies of the prior art and provide a one-button automatic retractable charger that is easy to use, carry and store.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical scheme: the one-button automatic retractable charger includes a shell and a circuit board placed inside the shell, and the circuit board is fixedly installed with a USB interface and a vehicle power jack. Corresponding to the vehicle-mounted plug, the upper end of the housing is also provided with a connecting seat, a rewinding mechanism installed in the connecting seat and rotatable, a USB data cable wound around the periphery of the rewinding mechanism, and a locking mechanism for locking the rewinding mechanism. mechanism and the button used to drive the locking mechanism. The button is exposed outside the upper end of the connection seat, and the USB plug at one end of the USB data cable is exposed outside the connection seat. The other end of the USB data cable is electrically connected to the circuit board. After the button is pressed, the button drives the locking mechanism to disengage from the winding mechanism, and the winding mechanism rotates to automatically wind the USB data cable.

Further, in the above technical solution, the rewinding mechanism includes: a rotating seat installed in the connecting seat and a coiled and compressed shrapnel installed in the rotating seat, and the USB data cable is rewound on the rotating seat. The periphery of the seat; the upper end of the rotating seat is formed with a locking convex ring, which is locked with the locking mechanism through the locking convex ring.

Furthermore, in the above technical solution, the locking convex ring has two symmetrically distributed arc surface locking positions.

Further, in the above technical solution, the locking mechanism includes: a positioning chuck installed in the connecting seat, a card seat slidably installed on one side of the positioning chuck, and a mounting seat installed between the positioning chuck and the The spring between the decks is formed with a protrusion at the lower end of the deck, and the winding mechanism is locked by the protrusion.

Furthermore, in the above technical solution, a shaft body is formed at the lower end of the positioning chuck, and the shaft body extends into the winding mechanism.

Furthermore, in the above technical solution, the positioning chuck is fixed to the connecting seat by screws.

Further, in the above technical solution, the side of the positioning chuck is provided with a chute, the cassette is movably installed in the chute, and the driving slope formed in the cassette is exposed outside the upper end surface of the positioning chuck, And the driving slope is in contact with the lower end of the button.

Furthermore, in the above technical solution, the key is mounted on the connecting seat through a compression spring, and the lower end of the key passes through the connecting seat and contacts the driving slope in the card seat.

Furthermore, in the above technical solution, a decorative ring is sleeved on the periphery of the connecting seat.

After adopting the above technical scheme, the utility model has the following beneficial effects compared with the prior art: when the utility model is working, the USB data line can be pulled out, and after each pulling out a certain distance of the USB data line, and when the winding The rotating seat in the mechanism rotates half a circle, that is, the distance between the two arc-shaped clamping positions, and the shrapnel roll is compressed and curled to generate a restoring force. The data cable can be positioned, and any length of USB data cable can be pulled out in this way. When you do not need to use the USB data cable, press the button, the button will drive the deck to break away from the rotating seat, and the rotating seat will rotate under the force of the shrapnel roll, so as to realize the winding of the USB data cable, and finally release the button, the button and the deck Reset, the card seat is locked with the rotary seat again. The above-mentioned whole operation process is very simple, and the USB data cable can realize one-key rewinding, so that it is easy to carry and store, and can effectively prevent the loss of the USB data cable, so that the utility model has higher market competitiveness.

Description of drawings:

Fig. 1 is a perspective view of the utility model;

Fig. 2 is a three-dimensional exploded view of the utility model;

Fig. 3 is a structural schematic diagram of the locking mechanism of the present invention.

Detailed ways:

Below in conjunction with specific embodiment and accompanying drawing, the utility model is further described.

As shown in Figure 1-3, it is a one-button automatic retractable charger, which includes a shell 1 and a circuit board placed inside the shell 1. The circuit board is fixedly installed with a USB interface 2 and is connected to the vehicle power jack. Corresponding to the vehicle-mounted plug 3, the upper end of the housing 1 is also provided with a connection seat 4, a rewinding mechanism 5 installed in the connection seat 4 and rotatable, a USB data cable 6 rewinding on the periphery of the rewinding mechanism 5, and a locking device for locking The locking mechanism 7 of the winding mechanism 5 and the button 8 used to drive the locking mechanism 7 to work, the button 8 is exposed outside the upper end of the connecting seat 4, and the USB plug 61 at one end of the USB data cable 6 is exposed outside the connecting seat 4, The other end of the USB data cable 6 is electrically connected to the circuit board. When the button 8 is pressed during use, the button 8 drives the locking mechanism 7 to disengage from the winding mechanism 5, and the winding mechanism 5 rotates to automatically wind the USB data cable 6.

A decorative ring 41 is sleeved on the periphery of the connecting base 4 .

The rewinding mechanism 5 includes: a rotating base 51 installed in the connecting base 4 and a crimped shrapnel volume 52 installed in the rotating base 51, and the USB data cable 6 is wound around the rotating base 51 , when pulled out, the shrapnel roll 52 is compressed and curled to generate a restoring force.

The upper end of the swivel seat 51 is formed with a locking protrusion ring 511, which is engaged with the locking mechanism 7 through the locking protrusion ring 511, wherein the locking protrusion ring 511 has two symmetrically distributed arc surface locking positions 512 .

The locking mechanism 7 includes: a positioning chuck 71 installed in the connecting seat 4, a card seat 72 slidably installed on one side of the positioning chuck 71, and a card seat 72 installed on the positioning chuck 71 and the card seat 72 Between the spring 73, the lower end of the card seat 72 is formed with a protrusion 721, and the winding mechanism 5 is locked through the protrusion 721. Wherein, the side of the positioning chuck 71 is provided with a chute, the cassette 72 is movably installed in the chute, and the driving slope 721 formed in the cassette 72 is exposed outside the upper end surface of the positioning chuck 71, and the The driving slope 721 is in contact with the lower end of the button 8 .

A shaft body 711 is formed at the lower end of the positioning chuck 71, and the shaft body 711 extends into the rotating seat 51 in the winding mechanism 5, and the rotating seat 51 uses the shaft body 711 as a rotation axis. In addition, the positioning chuck 71 is fixed to the connecting base 4 by screws.

The button 8 is mounted on the connecting seat 4 through a compression spring 81 , and the lower end of the button 8 passes through the connecting seat 4 and contacts the driving slope 721 in the card seat 72 .

When the utility model is working, the USB data cable 6 can be pulled out. After each USB data cable 6 is pulled out for a certain distance, and when the rotating seat 51 in the winding mechanism 5 rotates half a circle, two arc surface clamping positions The distance between the shrapnel roll 52 is compressed and curled to generate a restoring force. At this time, the card seat 72 in the locking mechanism 7 is locked with the rotating seat 51, so that the USB data cable 6 can be positioned. In this way, it can be pulled Make any length of USB data cable 6 . When there is no need to use the USB data cable 6, press the button 8, the button 8 drives the deck 72 to break away from the rotating seat 51, and the rotating seat 51 rotates under the force of the shrapnel roll 52, so as to realize the winding of the USB data cable 6, and finally Release the button 8, the button 8 and the deck 72 are reset, and the deck 72 is locked with the rotary seat 51 again. The above-mentioned whole operation process is very simple, and the USB data cable 6 can realize one-key rewinding, so that it is easy to carry and store, and can effectively prevent the loss of the USB data cable 6, so that the utility model has higher market competitiveness.

Of course, the above descriptions are only specific embodiments of the utility model, and are not intended to limit the implementation scope of the utility model. Should be included in the utility model patent scope.

Claims (9)

1. One-button automatic retractable charger, which includes a shell (1) and a circuit board placed inside the shell (1). The circuit board is fixedly installed with a USB interface (2) and a car socket corresponding to the car power jack. The plug (3) is characterized in that: the upper end of the shell (1) is also provided with a connecting seat (4), a rewinding mechanism (5) installed in the connecting seat (4) and rotatable, and rewinding on the rewinding mechanism (5) The peripheral USB data cable (6) and the locking mechanism (7) used to lock the winding mechanism (5) and the button (8) used to drive the locking mechanism (7) to work, the button (8) The USB plug (61) at one end of the USB data cable (6) is exposed outside the connection seat (4), and the other end of the USB data cable (6) is electrically connected to the circuit board. When the button (8) is pressed, the button (8) drives the locking mechanism (7) to disengage from the winding mechanism (5), and the winding mechanism (5) rotates to automatically wind the USB data cable (6). 2. The one-button automatic retractable charger according to claim 1, characterized in that: the winding mechanism (5) includes: a rotating seat (51) installed in the connecting seat (4) and a rotating seat (51) installed in the rotating The curled and compressed shrapnel roll (52) in the seat (51), the USB data cable (6) is wound around the periphery of the rotating seat (51); the upper end of the rotating seat (51) is formed with a locking convex ring (511 ), and through the clamping convex ring (511) and the locking mechanism (7) clamping position. 3. The one-button automatic retractable charger according to claim 2, characterized in that: the locking convex ring (511) has two symmetrically distributed arc surface locking positions (512). 4. The one-button automatic retractable charger according to claim 1, characterized in that: the locking mechanism (7) includes: a positioning chuck (71) installed in the connecting seat (4), and The deck (72) installed on one side of the positioning chuck (71) in a slidable manner and the spring (73) installed between the positioning chuck (71) and the deck (72), the lower end of the deck (72) is formed There is a protrusion (721), and the winding mechanism (5) is locked by the protrusion (721). 5. The one-button automatic retractable charger according to claim 4, characterized in that: a shaft (711) is formed at the lower end of the positioning chuck (71), and the shaft (711) extends into the winding mechanism (5). 6. The one-button automatic retractable charger according to claim 4, characterized in that: the positioning chuck (71) is fixed to the connecting seat (4) by screws. 7. The one-button automatic retractable charger according to claim 4, characterized in that: a chute is provided on the side of the positioning chuck (71), and the holder (72) is movably installed in the chute, and The driving slope (721) formed in the card seat (72) is exposed outside the upper end surface of the positioning chuck (71), and the driving slope (721) is in contact with the lower end of the button (8). 8. The one-button automatic retractable charger according to claim 7, characterized in that: the button (8) is installed on the connecting seat (4) through a compression spring (81), and the lower end of the button (8) is worn The connecting seat (4) is in contact with the driving slope (721) in the card seat (72). 9. The one-button automatic retractable charger according to any one of claims 1-8, characterized in that: a decorative ring (41) is sleeved on the periphery of the connecting seat (4).