CN217159303U

CN217159303U - Automatic winding charger

Info

Publication number: CN217159303U
Application number: CN202123040295.XU
Authority: CN
Inventors: 彭国干
Original assignee: Shenzhen Songjiang Technology Co ltd
Current assignee: Shenzhen Songjiang Technology Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-08-09
Anticipated expiration: 2031-12-03

Abstract

The embodiment of the utility model discloses automatic spiral charger, including casing, charging wire, spiral device and elastic component, the spiral device sets up inside the casing, and charging wire one end is connected with the spiral device, and the other end stretches out the casing and relative casing freely stretches out and draws back. The winding device rotates under the traction of the elastic piece so that the charging wire is automatically wound on the winding device or the charging wire is pulled to unwind the charging wire. When the winding device moves to the first position, the first magnetic attraction piece and the second magnetic attraction piece are matched with each other, and the winding device is fixed relative to the shell; when the winding device moves to the second position, the first magnetic attraction piece and the second magnetic attraction piece are separated from each other, and the elastic piece pulls the winding device to rotate relative to the shell, so that the charging wire can be wound on the winding device. The cooperation of piece is inhaled to first magnetism and second magnetism makes the charging wire can stop at appointed tractive position to make the charging wire possess not use length, convenient to use or deposit, be favorable to hand-carrying.

Description

Automatic winding charger

Technical Field

The utility model relates to a gas technical field charges especially relates to an automatic spiral charger.

Background

In general, an electric device is frequently used in daily life, and particularly, in a mobile electronic device such as a computer or a mobile phone, it is necessary to charge the electric device at all times.

In order to satisfy the user demand as far as possible, the current charging wire generally all involves longer, but also can make the charging wire inconvenient use or deposit consequently, is unfavorable for hand-carrying.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an automatic spiral charger for solve among the prior art charging wire not convenient to use or deposit, be unfavorable for the problem of hand-carrying.

The utility model provides an automatic winding charger, which comprises a shell, a charging wire and a winding device, wherein the winding device is movably arranged inside the shell, and the charging wire is wound on the winding device;

the winding device is provided with a first magnetic attraction piece, the shell is provided with a second magnetic attraction piece, and when the winding device moves to a first position, the first magnetic attraction piece and the second magnetic attraction piece are fixedly connected after being mutually attracted, so that the winding device is fixedly connected with the shell; when the winding device moves to the second position, the first magnetic piece and the second magnetic piece are separated from each other, and the winding device can rotate relative to the shell.

Optionally, a limiting shaft is arranged on the housing, the winding device is sleeved on the limiting shaft, the winding device moves along the axial direction of the limiting shaft to reach the first position or the second position, and the winding device can rotate around the limiting shaft as a rotation center when located at the second position.

Optionally, a button is provided on the housing, and pressing the button moves the wire winding device from the first position to the second position;

the button comprises a key cap exposed out of the surface of the shell and a transmission rod positioned in the shell, the transmission rod is connected with the wire coiling device, and the key cap is pressed from the outside of the shell to enable the transmission rod to move, so that the wire coiling device is driven to move from the first position to the second position.

Optionally, an elastic member is arranged in the winding device, and the elastic member is used for pulling the winding device to rotate relative to the housing, so that the charging wire is automatically wound on the winding device.

Optionally, the winding device further includes a middle casing, the first magnetic attraction piece is disposed on the middle casing, a first clamping portion is disposed on the middle casing, a bottom casing for mounting the second magnetic attraction piece is disposed in the casing, a second clamping portion matched with the first clamping portion is disposed on the bottom casing, and the winding device is located at the first position, the first clamping portion and the second clamping portion are matched with each other to limit rotation of the winding device.

Optionally, the winding device further comprises a plug, a control panel, a first wiring board arranged on the middle shell and a second wiring board arranged on the bottom shell, and when the winding device is located at the first position, the first wiring board and the second wiring board are electrically connected;

the plug stretches out the casing and is used for connecting the power, the control panel sets up in the casing and respectively with the plug with the wiring board electricity is connected, the charging wire passes through first wiring board with the second wiring board with the control panel realizes the electricity and connects.

Optionally, when the winding device is located at the second position, the circuit between the first wiring board and the second wiring board is not connected.

Optionally, a protruding contact pin is arranged on the first wiring board, and an electric contact is arranged on the second wiring board;

the pins are provided in plural numbers, the pins are arranged on the first wiring board at positions equally distant from the center of rotation of the first wiring board, and the distance between every two pins is equal.

Optionally, first joint portion includes along a plurality of draw-in grooves that the rotation edge of mesochite set up, adjacent two the draw-in groove is relative form first contained angle between the line at the rotation center of first wiring board, adjacent two the contact pin is relative form the second contained angle between the line at the rotation center of first wiring board, first contained angle with the second contained angle is the integral multiple relation, so that arbitrary the draw-in groove with during the cooperation of second joint portion, the contact pin with the electrical contact homoenergetic communicates.

Optionally, the outer surface of the housing is provided with a mounting groove for accommodating one end of the charging wire exposed out of the housing.

Implement the embodiment of the utility model provides a, will have following beneficial effect: the spiral device is rotatory under the traction of elastic component so that the charging wire is automatic to be convoluteed on the spiral device or to stimulate the charging wire and make the charging wire expand, and the cooperation of piece is inhaled to first magnetism and second magnetism makes the charging wire can stop in appointed tractive position to make the charging wire possess usable length not, convenient to use or deposit, be favorable to hand-carrying.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Wherein:

fig. 1 is a schematic structural diagram of an automatic cord reeling charger in one embodiment.

Fig. 2 is a schematic view of the internal structure of the embodiment shown in fig. 1 with the outer casing removed.

Fig. 3 is a schematic structural diagram of the housing in the embodiment shown in fig. 1.

Fig. 4 is a schematic structural view of the winding device in the internal structure shown in fig. 2.

Fig. 5 is a schematic structural view of the bottom case in the internal structure shown in fig. 2.

In the figure:

100. a housing; 110. a bottom case; 112. a second magnetic attraction member; 114. a second clamping part; 120. a second wiring board; 122. an electrical contact; 130. a plug; 140. a control panel; 150. mounting grooves; 160. a limiting shaft; 200. A charging wire; 300. a wire winding device; 310. a first magnetic attraction member; 320. a middle shell; 321. a first clamping part; 322. mounting holes; 323. a rotating bearing; 324. a wire passing hole; 330. a first wiring board; 332. inserting a pin; 400. an elastic member; 500. a button; 510. a key cap; 520. and a transmission rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides an automatic spiral charger that charges can pull out charging wire 200 when using and connect with electrical apparatus, can also roll up charging wire 200 is automatic after charging, accomodates in charger shell, convenient to use, portable.

Compared with the prior art, the existing similar products on the market have complex structure in most of winding structure designs, inconvenient electric connection of the charging wire 200, even poor contact of the electric contact 122 caused by repeated winding and unwinding of the charging wire 200, high hidden danger in use and inconvenience.

Referring to fig. 1 and 2, the present invention provides an automatic winding charger, which includes a housing 100, a charging wire 200, a winding device 300, and an elastic member 400. The winding device 300 is disposed inside the housing 100, one end of the charging wire 200 is connected to the winding device 300, the other end of the charging wire 200 extends out of the housing 100 and freely stretches and retracts relative to the housing 100, and the elastic member 400 pulls the winding device 300 to rotate relative to the housing 100, so that the charging wire 200 is automatically wound on the winding device 300. Accordingly, pulling the end of the charging cord 200 exposed from the housing 100 may separate the charging cord 200 from the cord winding device 300, thereby exposing a sufficient length outside the housing 100. That is, the winding device 300 can wind up the charging wire 200 and store the charging wire into the housing 100 of the charger, so that the charger can be conveniently stored, and the charging wire 200 can be drawn out from the housing 100 for use.

Referring to fig. 3, a limiting shaft 160 is disposed on an inner wall of the housing 100, the winding device 300 is sleeved on the limiting shaft 160, the winding device 300 moves along an axial direction of the limiting shaft 160 to reach a first position or a second position, and the winding device 300 can rotate around the limiting shaft 160 as a rotation center when located at the second position.

Further, referring to fig. 4, the winding device 300 is movably connected to the housing 100, the winding device 300 is provided with a first magnetic member 310, and the housing 100 is provided with a second magnetic member 112. The first magnetic attraction 310 and the second magnetic attraction 112 cooperate with each other to lock the winding device 300 and prevent the winding device from rotating, so as to prevent the charging wire 200 from being exposed out of the housing 100.

Specifically, when the winding device 300 moves to the first position, the first magnetic member 310 and the second magnetic member 112 are engaged with each other, and the winding device 300 is fixed relative to the housing 100; when the winding device 300 moves to the second position, the first magnetic attraction member 310 and the second magnetic attraction member 112 are separated from each other, and the elastic member 400 pulls the winding device 300 to rotate relative to the housing 100, so that the charging wire 200 can be wound on the winding device 300. That is, winding device 300 does not rotate when the first position, and the length that charging wire 200 exposes casing 100 at this moment is also fixed, when needs lengthen charging wire 200 or withdraw charging wire 200, stir winding device 300 to the second position, and winding device 300 can rotate this moment, and it can to adjust charging wire 200 as required this moment again.

Alternatively, the elastic member 400 is a clockwork spring provided inside the wire winding device 300. The winding device 300 is driven to automatically rotate by the contraction of the spring, and the charging wire 200 is wound on the winding device 300 layer by layer; when the force pulling the charging wire 200 is greater than the elastic force of the clockwork spring, the clockwork spring is stretched passively, and the charging wire 200 can be pulled out by a required distance.

Optionally, the first magnetic element 310 and the second magnetic element 112 are both magnetic elements, and when the winding device 300 is located at the first position, the first magnetic element 310 and the second magnetic element 112 are attracted together so that the winding device 300 does not rotate.

For convenient structural rotation, the wire winding device 300 further includes a middle housing 320, and the middle housing 320 plays a role in rotation between the wire winding device 300 and the bottom housing 110. The first magnetic attraction piece 310 is arranged on the middle shell 320, and the middle shell 320 is provided with a first clamping portion 321. Correspondingly, referring to fig. 5, a bottom shell 110 is disposed in the housing 100 for mounting a second magnetic member 112. The bottom shell 110 further has a second engaging portion 114 engaged with the first engaging portion 321, and the first engaging portion 321 and the second engaging portion 114 are engaged with each other when the winding device 300 is at the first position to limit the rotation of the winding device 300.

The button 500 is disposed on the housing 100, and pressing the button 500 moves the wire winding device 300 from the first position to the second position, so that the first magnetic member 310 and the second magnetic member 112 are separated to rotate the wire winding device 300.

The button 500 includes a button cap 510 exposed on the surface of the housing 100 and a transmission rod 520 located inside the housing 100, the transmission rod 520 is connected to the wire winding device 300, and the button cap 510 is pressed from the outside of the housing 100 to move the transmission rod 520, thereby moving the wire winding device 300 from the first position to the second position.

The middle shell 320 is provided with a mounting hole 322 so that the middle shell 320 is sleeved on the transmission rod 520, and the transmission rod 520 is provided with a rotating bearing 323 corresponding to the mounting hole 322. The middle case 320 and the first terminal plate 330 both rotate with the wire winding device 300, and the bearings reduce friction between the middle case 320 and the driving lever 520.

The middle case 320 is provided with a wire hole 324 for electrical connection between the charging wire 200 and the first wiring board 330.

On the other hand, the utility model provides an automatic wire coiling charger still includes plug 130, control panel 140, sets up first wiring board 330 on mesochite 320 and sets up second wiring board 120 on bottom shell 110. The plug 130 extends out of the housing 100 for connection to a power supply, the control board 140 is disposed in the housing 100 and electrically connected to the plug 130 and the terminal board, respectively, and the charging cord 200 is electrically connected to the control board 140 through the first terminal board 330 and the second terminal board 120. Control panel 140 is connected with plug 130 and charging wire 200 electricity respectively, and plug 130 is connected with the power as getting the electricity end, and electric current is adjusted through control panel 140 and is got behind the electric current voltage through charging wire 200 and charge for electrical apparatus.

When the wire winding device 300 is located at the first position, the first wiring board 330 and the second wiring board 120 are electrically connected, that is, the charging wire 200 can be electrically connected to the control board 140, and charging can be performed.

When the wire winding device 300 is located at the second position, the circuit between the first wiring board 330 and the second wiring board 120 is not communicated, the wire winding device 300 can rotate, the exposed length of the charging wire 200 can be adjusted, but the first wiring board 330 and the second wiring board 120 are not communicated, and the charging cannot be carried out to ensure the safety.

Furthermore, based on the utility model provides an automatic spiral charger, at charging wire 200 length adjustment's in-process, separation between first wiring board 330 and the second wiring board 120, the rotation of spiral device 300 can not lead to the friction of some connecting portions between first wiring board 330 and the second wiring board 120, thus the circular telegram bad contact phenomenon that wearing and tearing lead to can not appear yet.

Optionally, a raised pin 332 is provided on first wiring board 330 and electrical contact 122 is provided on second wiring board 120.

The plurality of pins 332 are provided, the plurality of pins 332 are disposed on the first wiring board 330 at positions equal to the rotational center of the first wiring board 330, and the distance between every two pins 332 is equal.

In order to make charging wire 200 can have multiple flexible length in order to satisfy different user demands, first joint portion 321 includes a plurality of draw-in grooves that set up along the rotation edge of mesochite 320, and every draw-in groove all can cooperate with second joint portion 114, has increased the position that charging wire 200 can stop promptly.

A first included angle is formed between the connecting lines of the two adjacent card slots relative to the rotation center of the first wiring board 330, a second included angle is formed between the connecting lines of the two adjacent pins 332 relative to the rotation center of the first wiring board 330, and the first included angle and the second included angle are in integral multiple relation, so that when any card slot is matched with the second clamping portion 114, the pins 332 and the electric contacts 122 can be communicated.

It should be noted that, the multiple relation referred to here may be that the first included angle is an integer multiple of the second included angle, and may also be that the second included angle is an integer multiple of the first included angle, with the purpose that the two are staggered and can simultaneously realize the cooperation of the joint portion and the wiring board, any angle adjustment should be regarded as the adaptive transformation of the utility model.

Optionally, the one end that charging wire 200 stretches out casing 100 is connected with the interface that charges, and the interface that charges is outstanding in the surface of charging wire 200, but the opening size of through-hole can hold charging wire 200 and pass but not allow the interface that charges to pass through. When the charging cord 200 is rolled up and stored in the housing 100, the charging interface can prevent the charging cord 200 from being completely stored in the housing 100 and being taken out.

Optionally, the outer surface of the housing 100 is provided with a mounting groove 150 for receiving one end of the charging wire 200 exposed out of the housing 100.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims

1. An automatic winding charger is characterized by comprising a shell, a charging wire and a winding device, wherein the winding device is movably arranged in the shell, and the charging wire is wound on the winding device;

2. An automatic wire winding charger as claimed in claim 1, wherein a limiting shaft is provided on the housing, the wire winding device is fitted over the limiting shaft, the wire winding device moves along an axial direction of the limiting shaft to reach the first position or the second position, and the wire winding device can rotate around the limiting shaft as a rotation center when the wire winding device is located at the second position.

3. An automatic cord reeling charger according to claim 2, wherein a button is provided on the housing, and pressing the button moves the cord reeling device from the first position to the second position;

4. An automatic cord winding charger according to claim 3, wherein an elastic member is provided in said cord winding device for pulling said cord winding device to rotate relative to said housing so that said charging cord is automatically wound around said cord winding device.

5. An automatic cord winder as claimed in any one of claims 1 to 4, wherein said cord winder further comprises a middle case, said first magnetic attraction member is disposed on said middle case, said middle case is provided with a first engaging portion, said case is provided with a bottom case for mounting said second magnetic attraction member, said bottom case is provided with a second engaging portion engaged with said first engaging portion, said first engaging portion and said second engaging portion engage with each other when said cord winder is in said first position to restrict rotation of said cord winder.

6. An automatic cord winder charger according to claim 5, further comprising a plug, a control board, a first wiring board provided on said middle case and a second wiring board provided on said bottom case, said first wiring board and said second wiring board being electrically connected when said cord winder is in said first position;

7. An automatic cord reel charger according to claim 6, wherein when said cord winder is in said second position, the circuit between said first terminal plate and said second terminal plate is not connected.

8. An automatic line winder charger according to claim 7, wherein said first wiring board is provided with a raised contact pin and said second wiring board is provided with an electrical contact;

9. An automatic line winding charger as claimed in claim 8, wherein said first engaging portion includes a plurality of engaging grooves formed along a rotation edge of said middle case, a first angle is formed between two adjacent engaging grooves with respect to a line of a rotation center of said first wiring board, a second angle is formed between two adjacent engaging pins with respect to a line of a rotation center of said first wiring board, and said first angle and said second angle are in an integer multiple relationship, so that when any engaging groove is engaged with said second engaging portion, said engaging pins and said electrical contacts can be connected.

10. An automatic cord reel charger according to claim 9, wherein the housing has a mounting groove formed on an outer surface thereof for receiving an end of the charging cord exposed from the housing.