Built-in telescopic wire box

Abstract

The utility model discloses a telescopic wire box capable of being arranged inside, and belongs to the field of electric connecting wires. Comprising a box body, a connecting wire, an elastic mechanism and a conductive module, the elastic mechanism and the conductive module are both installed in the box body, the connecting wire is wound in the box body, one end of the connecting wire is installed on the elastic mechanism and electrically connected with the conductive module, the other end of the connecting wire extends out of the box body, and the box body is provided with a positioning part clamped and fixed with a charger. The box body can be arranged in the charger and is clamped and fixed with the charger through the part, the conductive module is electrically connected with the charger, so that electric conduction or data transmission is realized, and the connecting wire can be stretched under the control of the elastic mechanism, can be mounted in the charger and is convenient to carry and store; meanwhile, the telescopic wire box can realize modular design, and the modular installation of the telescopic wire box can be realized only by arranging conductive and positioning structures matched with the conductive modules and the positioning parts in various chargers, so that the telescopic wire box can be conveniently adapted to different chargers.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of electric connection line, especially relates to a built-in telescopic wire box. BACKGROUND

[0002] At present, most of the travel charger, car charger or mobile power supply and other charging equipment on the market are provided with one or more sockets for inserting charging connection lines, and when we need to charge mobile devices such as mobile phones by using such chargers, we still need to connect the charger and the mobile device with a matched connection line, so as to charge. When we do not have a connection line or the connection line is not matched, we cannot charge or transmit data. Some chargers are provided with a certain length of connection line wound thereon, but such a charger is not portable and the connection line outside the charger is easy to be damaged, and the damage of the external connection line means that the charger loses its function. SUMMARY

[0003] To solve the above problems, the utility model provides a built-in telescopic wire box which can be installed in a charger, is convenient to carry and can store the electric connection line in the charger.

[0004] Another object of the utility model is to provide a built-in telescopic wire box which is designed in a modular way and is convenient to adapt and install in different chargers.

[0005] To achieve the above objects, the utility model provides the following technical scheme:

[0006] The utility model provides a built-in telescopic wire box which comprises:

[0007] A box body which can be built into a charger and has a positioning part fixed with the charger;

[0008] A connection line which can conduct electricity or transmit data;

[0009] An elastic mechanism which can drive the connection line to stretch or retract;

[0010] A conductive module which can be electrically connected with the charger;

[0011] The elastic mechanism and the conductive module are installed in the box body, the connection line is wound in the box body, one end of the connection line is installed on the elastic mechanism and electrically connected with the conductive module, and the other end of the connection line extends out of the box body.

[0012] Further, one end of the connection line exposed outside the box body is provided with an electrical interface.

[0013] Further, the positioning part comprises a positioning groove which is formed on the outer wall of the box body.

[0014] Further, the positioning part comprises a positioning surface arranged on the outer wall of the box body.

[0015] Further, the conductive module has a conductive part exposed outside the box body.

[0016] Further, the conductive part comprises a conductive pad on which a conductive sheet is welded. Only a conductive terminal matched with the conductive sheet needs to be arranged in the charger, and when the box body is placed in the charger, the conductive terminal can abut against the conductive sheet, thereby realizing the electrical connection between the charger and the data line.

[0017] Further, the conductive module comprises a first PCB board, a second PCB board and a conductive spring piece, the first PCB board comprises a conductive disc and the conductive part, the second PCB board has a first conductive surface and a second conductive surface, one end of the connecting line is electrically connected to the first conductive surface, and the conductive spring piece is connected to the second conductive surface and the conductive disc.

[0018] Further, the conductive spring piece comprises an elastic arm and an insulating fixing piece, the insulating fixing piece is fixed on the second PCB board, one end of the elastic arm is welded to the second conductive surface, and the other end is in contact with the conductive disc for electrically connecting. Through the above structure, the elastic arm can end in the contact normal force of the circular gold finger on the conductive disc, so as to maintain continuous and sufficient current transmission, which can support 5A current transmission.

[0019] Further, the elastic mechanism comprises a spring box, a spring cover, a coil spring and a brake block, the spring box is movably installed in the box body, the coil spring is installed in the spring box, one end of the center of the coil spring is fixedly connected with the box body, and the other end of the outer side is fixed on the spring box; the spring cover covers the spring box; the connecting line is wound in the box body, and one end in the box body is fixedly connected with the spring box; the surface of the spring box has a track, the box body has a movable groove, the brake block is movably installed in the movable groove, the brake block has a guide column, one end of the guide column extends into the track, and the track has a plurality of clamping positions matched with the guide column.

[0020] Further, the spring box is provided with a mounting groove, the coil spring is movably arranged in the mounting groove, the box body is provided with a positioning column, the spring box has a through hole, and the positioning column passes through the through hole and is fixedly connected with one end of the center of the coil spring.

[0021] Further, the outer side of the mounting groove has a clamping groove, the connecting line is wound outside the mounting groove, and one end of the connecting line is fixed in the clamping groove.

[0022] Further, the side wall of the mounting groove has a fixing block, and the outer end of the coil spring is fixed on the fixing block.

[0023] Further, the box body includes a bottom box, an upper cover, the upper cover covers the bottom box to form a containing cavity, the elastic mechanism, the conductive module and the connecting line are arranged in the containing cavity.

[0024] Further, the track is arranged on one side of the spring box close to the bottom box, the movable slot is arranged on the inner side of the bottom box, the rotating shaft is fixedly arranged in the movable slot, the shaft hole is arranged at one end of the brake block away from the guide column, and the rotating shaft is movably arranged in the shaft hole.

[0025] Compared with the prior art, the utility model has the advantages that: the box body can be built-in the charger, and the connecting part is clamped and fixed with the charger, the conductive module is electrically connected with the charger, so that the conductive or data transmission between the connecting line and the charger is realized, the connecting line can be stretched and contracted under the control of the elastic mechanism, so that the connecting line can be installed in the charger, which can be conveniently carried and stored; meanwhile, the stretchable line box can realize modular design, only the conductive and positioning structure matched with the conductive module and the positioning part is arranged in various chargers, the modular installation of the stretchable line box can be realized, and the stretchable line box is conveniently adapted to different chargers. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the structural schematic diagram of stretchable line box.

[0027] Figure 2 It is the explosion drawing of stretchable line box.

[0028] Figure 3 It is the structural schematic diagram of conductive module.

[0029] Figure 4 It is the structural schematic diagram of the front of spring box.

[0030] Figure 5 It is the structural schematic diagram of the back of spring box.

[0031] Figure 6 It is the structural schematic diagram of the inner side of bottom box.

[0032] In the figure: 1, box body; 11, bottom box; 12, upper cover; 2, positioning part; 21, positioning groove; 22, positioning surface; 3, connecting line; 4, elastic mechanism; 41, spring box; 42, spring cover; 43, coil spring; 44, brake block; 441, guide column; 442, shaft hole; 45, track; 46, clamping position; 47, mounting groove; 48, clamping groove; 49, fixed block; 5, conductive module; 51, conductive part; 52, first PCB board; 521, conductive disc; 53, second PCB board; 531, first conductive surface; 532, second conductive surface; 54, conductive spring; 541, elastic arm; 542, insulating fixing piece; 6, electrical interface; 7, movable groove; 8, positioning column; 9, rotating shaft. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and do not limit the utility model.

[0034] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0035] Referring to Figures 1-6 The embodiment provides a built-in telescopic wire box, which comprises:

[0036] The box body 1 can be built into the charger and has a positioning part 2 fixed with the charger;

[0037] The connecting line 3 can conduct electricity or transmit data;

[0038] The elastic mechanism 4 can drive the connecting line 3 to stretch and retract;

[0039] The conductive module 5 can be electrically connected with the charger;

[0040] The elastic mechanism 4 and the conductive module 5 are both installed in the box body 1, the connecting line 3 is wound in the box body 1, one end of the connecting line 3 is installed on the elastic mechanism 4 and electrically connected with the conductive module 5, and the other end of the connecting line 3 extends out of the box body 1.

[0041] In the embodiment, the box body 1 can be built into the charger and fixed by the positioning part 2 and the charger, the conductive module 5 can be electrically connected with the charger, so as to realize the electrical connection or data transmission between the connecting line 3 and the charger, the connecting line 3 can be stretched and contracted under the control of the elastic mechanism 4, so that the connecting line 3 can be installed into the charger, which can be conveniently carried and conveniently stored; at the same time, the stretchable line box can realize modular design, only by setting the conductive and positioning structure matched with the conductive module 5 and the positioning part 2 in various chargers, the modular installation of the stretchable line box can be realized, which is convenient for adaptation to different chargers.

[0042] Further, the end of the connecting line 3 exposed outside the box body 1 is provided with an electrical interface 6, the electrical interface 6 adopts TYPE-C, USB, Android, Apple and the like, which can be matched with mobile devices such as mobile phones and tablet computers, and is welded on the conductive module 5 and wound in the box body 1.

[0043] Further, the positioning part 2 includes a positioning groove 21, and the positioning groove 21 is arranged on the outer wall of the box body 1.

[0044] Further, the positioning part 2 includes a positioning surface 22, and the positioning surface 22 is arranged on the outer wall of the box body 1.

[0045] In the embodiment, the groove matched with the box body 1 can be arranged in the charger, by building the stretchable line box into the groove, the inner wall of the groove is provided with the positioning structure matched with the positioning groove 21 and the positioning surface 22, such as the protrusion and the fixing surface, so as to realize the fixation of the stretchable line box.

[0046] Further, the conductive module 5 has a conductive part 51, and the conductive part 51 is exposed outside the box body 1.

[0047] Further, the conductive part 51 adopts a conductive pad, and a conductive sheet is welded on the conductive pad. Only by arranging the conductive terminal matched with the conductive sheet in the charger, when the box body 1 is placed in the charger, the conductive terminal can abut against the conductive sheet, so as to realize the electrical connection between the charger and the data line.

[0048] Further, the conductive module 5 includes a first PCB board 52, a second PCB board 53 and a conductive spring 54, the first PCB board 52 includes a conductive disc 521 and the conductive part 51, the second PCB board 53 has a first conductive surface 531 and a second conductive surface 532, one end of the connecting line 3 is electrically connected with the first conductive surface 531, and the conductive spring 54 is connected with the second conductive surface 532 and the conductive disc 521.

[0049] In the embodiment, one end of the connecting line 3 is welded to the first conductive surface 531 to realize electrical connection with the second PCB 53; one end of the conductive spring 54 is welded to the second conductive surface 532, and the other end is electrically connected with the conductive disc 521 to realize electrical connection between the first PCB 52 and the second PCB 53; the first conductive plate 52 is electrically connected with the charger through the conductive part 51 to realize electrical connection between the connecting line 3 and the charger, and electrical connection between the mobile phone, the tablet computer and the charger can be realized.

[0050] Further, the conductive spring 54 includes an elastic arm 541 and an insulating fixing part 542, the insulating fixing part 542 is fixed on the second PCB 53, one end of the elastic arm 541 is welded to the second conductive surface 532, and the other end is in contact with the conductive disc 521. Through the above structure, the elastic arm 541 can end in the contact normal force of the circular gold finger on the conductive disc 521 to maintain continuous and sufficient current transmission, and can support 5A current transmission.

[0051] Further, the elastic mechanism 4 includes a spring box 41, a spring cover 42, a coil spring 43 and a brake block 44, the spring box 41 is movably installed in the box body 1, the coil spring 43 is installed in the spring box 41, one end of the center of the coil spring 43 is fixedly connected with the box body 1, and the other end of the outer side is fixed on the spring box 41; the spring cover 42 covers the spring box 41; the connecting line 3 is coiled in the box body 1, and one end in the box body 1 is fixedly connected with the spring box 41; the surface of the spring box 41 has a plurality of connected tracks 45, the box body 1 has a movable groove 7, the brake block 44 is movably installed in the movable groove 7, the brake block 44 has a guide column 441, one end of the guide column 441 extends into the track 45; a plurality of tracks 45 have a plurality of clamping positions 46 matched with the guide column 441.

[0052] In the embodiment, when the connecting line 3 is pulled outward, the spring box 41 can be rotated in the box body 1, and the coil spring 43 is compressed, at the same time, the brake block 44 is installed on the box body 1, and the guide column 441 can switch and move in the plurality of tracks 45; because the plurality of tracks 45 are connected and the clamping positions 46 are arranged therebetween, when the connecting line 3 is pulled to the required length, the connecting line 3 will slightly retreat a distance under the rebound force of the coil spring 43, and the brake block 44 will also retreat synchronously, and the guide column 441 will be clamped on the clamping position 46 arranged between the adjacent tracks 45, so that the connecting line 3 will not be retracted back, and the stability of the connecting line 3 is ensured; when the connecting line 3 needs to be retracted into the box body 1, it is slightly pulled outward again, the guide column 441 is released from the clamping position 46, reenters the track 45, and can rotate in the track 45, at this time, the connecting line 3 can be retracted into the box body 1 under the rebound force of the coil spring 43. Through the above structure, the connecting line 3 can be flexibly controlled, and the stability of the connecting line 3 can be ensured.

[0053] Further, the spring box 41 is provided with a mounting groove 47, the coil spring 43 is movably arranged in the mounting groove 47, the box body 1 is provided with a positioning column 8, and the spring box 41 is provided with a through hole, and the positioning column 8 is fixedly connected to one end of the coil spring 43.

[0054] Further, the outer side of the mounting groove 47 is provided with a clamping groove 48, the connecting line 3 is wound outside the mounting groove 47, and one end of the connecting line 3 is fixed in the clamping groove 48.

[0055] Further, the side wall of the mounting groove 47 is provided with a fixed block 49, and the outer end of the coil spring 43 is fixed on the fixed block 49.

[0056] Further, the box body 1 comprises a bottom box 11 and an upper cover 12, the upper cover 12 is covered on the bottom box 11 to form a containing cavity, the elastic mechanism 4, the conductive module 5 and the connecting line 3 are arranged in the containing cavity, the spring cover 42 is connected to the shaft hole in the upper cover 12 through a rotating shaft, and the spring box 41 is rotated relative to the box body 1.

[0057] Further, the upper cover 12 is provided with an opening, and the conductive part 51 is exposed outside the box body 1 through the opening.

[0058] Further, the track 45 is arranged on one side of the spring box 41 close to the bottom box 11, the movable groove 7 is arranged on the inner side of the bottom box 11, the rotating shaft 9 is fixedly arranged in the movable groove 7, the shaft hole 442 is arranged on one end of the brake block 44 away from the guide column 441, and the rotating shaft 9 is movably arranged in the shaft hole 442. The brake block 44 swings on the rotating shaft 9, so that the guide column 441 can be flexibly moved relative to the track 45, and the extension and stop of the connecting line 3 are facilitated.

[0059] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection range of the utility model.

Claims

1. An inbuilt retractable cable box, characterized by, The utility model relates to a charging device, which comprises a box body capable of being built into a charger and having a positioning part fixed with the charger, a connecting line capable of conducting electricity or transmitting data, an elastic mechanism capable of driving the connecting line to stretch and contract, a conductive module capable of being electrically connected with the charger, and the elastic mechanism and the conductive module are both installed in the box body, the connecting line is wound in the box body, one end of the connecting line is installed on the elastic mechanism and electrically connected with the conductive module, and the other end of the connecting line extends out of the box body. The positioning part comprises a positioning groove, which is formed on the outer wall of the box body. Alternatively, the positioning part comprises a positioning surface, which is arranged on the outer wall of the box body. The conductive module has a conductive part, which is exposed outside the box body. The conductive module comprises a first PCB board, a second PCB board, and a conductive spring, the first PCB board comprises a conductive disc and the conductive part, the second PCB board has a first conductive surface and a second conductive surface, one end of the connecting line is electrically connected with the first conductive surface, and the conductive spring is connected with the second conductive surface and the conductive disc. The conductive spring comprises an elastic arm and an insulating fixing part, the insulating fixing part is fixed on the second PCB board, one end of the elastic arm is welded on the second conductive surface, and the other end of the elastic arm is in contact with the conductive disc.

2. The retractable cord box capable of being built-in according to claim 1, characterized in that, The elastic mechanism comprises a spring box, a spring cover, a coil spring, and a brake block, the spring box is movably installed in the box body, the coil spring is installed in the spring box, one end of the coil spring is fixedly connected with the box body, and the other end of the coil spring is fixed on the spring box; the spring cover covers the spring box; the connecting line is wound in the box body, and one end of the connecting line in the box body is fixedly connected with the spring box; the surface of the spring box has a track, the box body has a movable groove, the brake block is movably installed in the movable groove, the brake block has a guide column, one end of the guide column extends into the track, and the track has a plurality of clamping positions matched with the guide column. The spring box is provided with a mounting groove, the coil spring is movably arranged in the mounting groove, the box body is provided with a positioning column, the spring box has a through hole, and the positioning column passes through the through hole and is fixedly connected with one end of the coil spring.

3. The built-in retractable cord box of claim 1, wherein, The outer side of the mounting groove has a clamping groove, the connecting line is wound outside the mounting groove, and one end of the connecting line is fixed in the clamping groove.

4. An inbuilt retractable cable box as claimed in claim 3, wherein, The side wall of the mounting groove has a fixing block, and the outer end of the coil spring is fixed on the fixing block.

5. An inbuilt retractable cable box as claimed in claim 4, wherein, The box body comprises a bottom box and an upper cover, the upper cover covers the bottom box to form a containing cavity, the elastic mechanism, the conductive module, and the connecting line are arranged in the containing cavity; 6. The retractable cord box capable of being built-in according to claim 1, wherein, The track is arranged on the side of the spring box close to the bottom box, the movable groove is formed on the inner side of the bottom box, a rotating shaft is fixedly arranged in the movable groove, the brake block is provided with a shaft hole at the end away from the guide column, and the rotating shaft movably penetrates the shaft hole.

7. An inbuilt retractable cable box as claimed in claim 6, wherein, ​ 8. An inbuilt retractable cable box as claimed in claim 7 wherein, ​ 9. An inbuilt retractable cable box as claimed in claim 8, wherein, ​ 10. The built-in retracting wire box of claim 6, wherein, ​ ​

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