Novel retractable charging device

Abstract

The utility model discloses a novel retractable charging device, which relates to the technical field of electronic equipment, and comprises an upper shell, a lower shell, an input terminal, a wire spool and a sealing cover, the input terminal is fixed at the top end in the upper shell, the input terminal comprises a terminal disc, an insulating shell and a PCB input conductive plate, the wire spool is rotatably connected in the upper shell and the lower shell, and the sealing cover is fixed on the terminal disc. And the sealing cover is clamped and fixed at the bottom end of the wire spool. According to the novel storage and charging integrated device, an input terminal structure designed in an integrated stamping and injection molding mode is adopted, and the original complex process that a plurality of conductive transition terminals need to be installed on a PCB is replaced. According to the design, the production steps are reduced, the production efficiency is improved, the input terminal designed in an integrated stamping mode is more compact and stable in structure, compared with a previous structure, the risk of connection looseness or failure caused by too many parts is reduced, and therefore the stability and reliability of the whole storage and charging integrated device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic equipment technical field, concretely is a novel retraction charging device. BACKGROUND

[0002] Before this, we have applied the patent technical scheme of a kind of rotary engagement's storage charging integrated device (CN222225637U) for the name, in the technical scheme of this patent, in order to make charging wire still be able to keep circuit conduction in the rotation process, we have adopted by installing several conductive transition terminals on PCB conductive plate one, then by several conductive pin needles on conductive transition terminal, with the sliding fit structure of several circle track grooves on PCB conductive plate two to realize, this mode although can solve the above problem, but in the process of actual production, because several conductive transition terminals need to be installed on PCB conductive plate one, so process is more complicated, cost also has improved, based on this, we have proposed a new type of retraction charging device again, the structure of conductive disc is improved on the basis of previous, after improvement, several conductive transition terminals are not needed to be installed, same effect can also be realized, to simplify production process, cost can also be reduced. CONTENT OF THE UTILITY MODEL

[0003] In view of the deficiencies of the prior art, the utility model provides a novel retraction charging device, which solves the problems raised in the background art.

[0004] To achieve the above object, the utility model is realized by the following technical scheme: a novel retraction charging device, comprising an upper shell, a lower shell, a winding reel and a PCB output conductive plate, the inside of the upper shell is fixed with a conductive disc, the conductive disc comprises a metal stamping integrated ring multi-branch contact spring, an injection molding insulating shell and a PCB input conductive plate, one end of the metal stamping integrated ring multi-branch contact spring is provided with several soldering pins, the soldering pins are connected with the PCB input conductive plate, the metal stamping integrated ring multi-branch contact spring is provided with several inclined pin needles, and the bottom end of each pin needle is provided with a contact part; the pin needle and the contact part are higher than the outer surface of the injection molding insulating shell, and the contact part is electrically connected with the PCB output conductive plate.

[0005] In the preferred technical scheme, the PCB output conductive plate is installed at the top end of the winding reel, the top end of the PCB output conductive plate is reserved with several annular track grooves, the contact part slides and contacts in the track groove, and the winding reel is rotationally connected inside the upper shell and the lower shell.

[0006] In the preferred technical scheme, it further comprises a charging wire, the charging wire is wound outside the winding reel, the output end of the charging wire extends to the outside of the device, and the input end is fixedly connected with the output end of the PCB output conductive plate.

[0007] Preferably, the technical scheme further comprises: a spring, which is connected to the winding reel and the lower shell through clamping, and a cavity is reserved in the inside of the winding reel, the spring is fixed in the cavity, and the sealing cover can seal the bottom opening of the cavity.

[0008] Preferably, the technical scheme further comprises: a clamping piece and a pushing piece mounted on the edge of the upper part of the winding reel.

[0009] Preferably, the technical scheme further comprises: the injection-molded insulating shell is wrapped around the outside of the integrated circular multi-branch contact spring, and the conductive end of the integrated circular multi-branch contact spring is connected and fixed with the power input conductive plate of the PCB.

[0010] Preferably, the technical scheme further comprises: one end of the spring is clamped and fixed with the winding reel, and the other end is clamped and fixed with the lower shell.

[0011] Preferably, the technical scheme further comprises: the lower part of the winding reel is provided with a sealing cover, and the sealing cover is clamped and fixed at the bottom end of the winding reel.

[0012] Preferably, the technical scheme further comprises: the outer side of the PCB output conductive plate is provided with a plurality of inward recessed notches, the inward recessed notches are movably connected with the pushing piece, and the pushing piece is turned through the inward recessed notches and the pushing piece after abutting, so that the pushing piece realizes clamping and avoiding.

[0013] Preferably, the technical scheme further comprises: the pin needle provided on the upper part of the integrated circular multi-branch contact spring is electrically connected with a plurality of soldering pins, the pin needle comprises a power supply and a signal, and the pin needle comprises a plurality of groups.

[0014] The utility model provides a novel retraction charging device.

[0015] The improved storage and charging integrated device adopts the conductive disc structure of integrated stamping design, which replaces the complex process of installing a plurality of conductive transition terminals on the PCB. This design not only reduces the production steps, but also significantly reduces the manufacturing cost and improves the production efficiency. The conductive disc of integrated stamping design has a more compact and stable structure, which reduces the risk of connection loosening or failure caused by too many components compared to the previous structure, thereby improving the stability and reliability of the entire storage and charging integrated device.

[0016] In addition, the bottom of the chamber where the spring is located is sealed by the sealing cover, effectively preventing the oil in the chamber from leaking out. This not only protects the internal mechanical structure from corrosion and damage, but also improves the durability and practicality of the device. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model discloses a split structure schematic diagram.

[0018] Figure 2 is a structure diagram of the top view angle of the conductive disc in the utility model;

[0019] Figure 3 is a structure diagram of the bottom view angle of the conductive disc in the utility model;

[0020] Figure 4 is a structure diagram of the PCB output conductive plate in the utility model;

[0021] Figure 5 is a structure diagram of the sealing cover installed at the bottom of the winding disc in the utility model;

[0022] Figure 6 is a top view of the assembled utility model;

[0023] Figure 7 is a sectional view of A-A in the utility model; Figure 6

[0024] Figure 8 is a schematic diagram of the integrated circular ring multi-branch contact spring in the utility model Figure 1 ,

[0025] Figure 9 is a schematic diagram of the integrated circular ring multi-branch contact spring in the utility model Figure 2 ,

[0026] Figure 10 is a schematic diagram of the locking member and the pushing member in the utility model.

[0027] Figure 11 is a schematic diagram of the winding disc and the wire connection in the utility model.

[0028] In the figure: 1, upper shell; 11, reserved hole; 2, lower shell; 3, conductive disc; 31, integrated circular ring multi-branch contact spring; 311, soldering leg, 32, pin needle; 33, contact part; 34, injection molding insulating shell; 35, PCB input conductive plate; 4, winding disc; 5, PCB output conductive plate; 51, track groove; 6, charging wire; 7, clockwork spring; 8, sealing cover; 9, locking member and pushing member. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] Please refer to​Figures 1-10 This utility model provides a technical solution: a novel retractable charging device, comprising an upper housing 1, a lower housing 2, a winding reel 4, and a PCB output conductive plate 5. A conductive plate 3 is fixed inside the upper housing 1. The conductive plate 3 includes an integrated circular multi-contact spring 31, an injection-molded insulating shell 34, and a PCB input conductive plate 35. One end of the integrated circular multi-contact spring 31 is provided with several solder feet 311, which are connected to the PCB input conductive plate 35. The integrated circular multi-contact spring 31 is provided with several inclined pins (pi). n pins 32, each pin 32 has a contact portion 33 at its bottom end; the pins 32 and the contact portions 33 are higher than the outer surface of the injection-molded insulating shell 34, the contact portions 33 are electrically connected to the PCB output conductive board 5, the PCB output conductive board 5 is mounted on the top of the winding reel 4, the top of the PCB output conductive board 5 has several annular track grooves 51 reserved, the contact portions 33 slide in contact within the track grooves 51, the winding reel 4 is rotatably connected to the inside of the upper shell 1 and the lower shell 2, the charging cable 6 is wound around the outside of the winding reel 4, and the output of the charging cable 6... The end extends to the outside of the device, and the input end is connected and fixed to the output end of the PCB output conductive plate 5. The spring 7 is engaged between the winding reel 4 and the lower housing 2. A cavity is reserved inside the winding reel 4, and the spring 7 is fixed in the cavity. The sealing cover 8 can seal the bottom opening of the cavity. The upper edge of the winding reel 4 is equipped with a locking part and a toggle part 9. The injection-molded insulating shell 34 is wrapped around the outside of the integrated circular ring multi-contact spring 31. The conductive end of the integrated circular ring multi-contact spring 31 is connected and fixed to the receiving end of the PCB input conductive plate 35. One end of the spring 7 is connected to the winding reel 4. The coil 4 is locked in place, and the other end is locked in place with the lower housing 2. A sealing cover 8 is provided at the bottom of the coil 4. The sealing cover 8 is locked in place at the bottom of the coil 4. Several inwardly recessed notches are provided on the outer side of the PCB output conductive board 5. The inwardly recessed notches are movably connected with the toggle member 9. The toggle member 9 is turned after the inwardly recessed notches abut against the toggle member 9, so that the toggle member 9 can lock in place and avoid collision. The pins 32 provided on the upper part of the stamping part 31 are electrically connected to several solder feet 311. There are several groups of pins 32, including power and signal pins.

[0031] It should be noted that a reserved hole 11 is provided on the upper part of the upper housing 1. The PCB input conductive board 35 is exposed to the outside of the upper housing 1 through the reserved hole 11, so as to facilitate the connection between the external power supply and the PCB input conductive board 35 for power supply.

[0032] The outer winding of the winding disc 4 is provided with a charging wire 6, the output end of the charging wire 6 extends to the outside of the upper shell 1 and the lower shell 2, the winding disc 4 is clamped and connected with the lower shell 2, the clamped and fixed spring 7 in the cavity of the winding disc 4, the sealing cover 8 can seal the cavity to prevent the oil liquid in the cavity from leaking out, one end of the spring 7 is clamped and fixed with the winding disc 4, the other end is clamped and fixed with the convex column in the middle of the lower shell 2, the input end of the charging wire 6 is connected and fixed with the output end of the PCB output conductive plate 5.

[0033] By Figure 10 As shown in the figure, the edge of the upper part of the winding disc 4 is provided with a clamping piece and a pushing piece 9, the structure and function of the clamping piece and the pushing piece 9 are the same as those of the existing disclosed patent "a rotary clamping charging integrated device CN222225637U", which will not be described here.

[0034] Please read Figure 11 As shown in the figure; a part of the input end of the charging wire 6 is wound on the winding disc 4, and finally the input end of the charging wire 6 is welded and fixed on the terminal of the PCB output conductive plate 5, the advantage of this design is that when the charging wire 6 is completely pulled out of the shell, the force generated at the moment of complete pulling out will not act on the welding part of the charging wire 6 and the PCB output conductive plate 5, but will act on the winding disc 4, so that the welding part will not be torn off, that is, the joint position of the extension wire is protected, because the charging wire 6 is inserted into the inner cavity of the winding disc 4 and fixed, so the pulling force can be increased.

[0035] The charging integrated device, when used, the external power supply is connected with the PCB input conductive plate 35, the current is transmitted to the PCB input conductive plate 35, then to the integrated circular ring multi-branch contact spring 31, then to the pin needle 32 and the contact part 33 to transmit the current to the PCB output conductive plate 5, the PCB output conductive plate 5 is connected in series with the charging wire 6, so that the current can finally be transmitted to the device to be charged through the charging wire 6, it should be noted that the structure of the conductive disc 3 is not completely the same as the previous design, the scheme of pre-installing a plurality of conductive transition terminals on the PCB board is abandoned, and an integrated stamping design scheme is adopted, which is more stable and has lower cost, in addition, the bottom of the chamber of the spring 7 is sealed by the sealing cover 8, so that the oil liquid in the chamber will not leak out, the practicability is greatly improved.

Claims

1. A new type of shrink charging device, comprising an upper shell (1), a lower shell (2), a winding reel (4) and a PCB output conductive plate (5), characterized in that, The inside of the upper shell (1) is fixed with a conductive disc (3), the conductive disc (3) comprises a metal stamping integrated circular ring multi-branch contact spring (31), an injection molding insulating shell (34) and a PCB input conductive plate (35), one end of the metal stamping integrated circular ring multi-branch contact spring (31) is provided with a plurality of soldering pins (311), the soldering pins (311) are connected with the PCB input conductive plate (35), the metal stamping integrated circular ring multi-branch contact spring (31) is provided with a plurality of inclined pin needles (32), the bottom end of each pin needle (32) is provided with a contact part (33); the pin needle (32) and the contact part (33) are higher than the outer surface of the injection molding insulating shell (34), and the contact part (33) is electrically connected with a PCB output conductive plate (5).

2. A novel retraction charging device as claimed in claim 1, wherein, The PCB output conductive plate (5) is installed at the top end of a winding reel (4), a plurality of annular track grooves (51) are reserved at the top end of the PCB output conductive plate (5), the contact part (33) is in sliding contact in the track groove (51), and the winding reel (4) is rotationally connected inside the upper shell (1) and the lower shell (2).

3. A novel retraction charging device as claimed in claim 2, wherein, Further comprising: A charging wire (6) is wound outside the winding reel (4), and the output end of the charging wire (6) extends to the outside of the device, and the input end is fixedly connected with the output end of the PCB output conductive plate (5).

4. A novel retraction charging device as claimed in claim 1, wherein, Further comprising: A clockwork spring (7) is clamped and connected between the winding reel (4) and the lower shell (2), a cavity is reserved in the inside of the winding reel (4), the clockwork spring (7) is fixed in the cavity, and a sealing cover (8) can block the bottom opening of the cavity.

5. A novel retraction charging device as claimed in claim 1, wherein, Further comprising: A clamping part and a pushing part (9) are installed at the edge of the upper part of the winding reel (4).

6. A novel retraction charging device as claimed in claim 1, wherein, The injection molding insulating shell (34) is wrapped outside the integrated circular ring multi-branch contact spring (31), and the conductive end of the integrated circular ring multi-branch contact spring (31) is fixedly connected with the power connection end of the PCB input conductive plate (35).

7. A novel retraction charging device as claimed in claim 4, wherein, One end of the clockwork spring (7) is clamped and fixed with the winding reel (4), and the other end is clamped and fixed with the lower shell (2).

8. A novel retraction charging device as claimed in claim 4, wherein, The lower part of the winding reel (4) is provided with a sealing cover (8), and the sealing cover (8) is clamped and fixed at the bottom end of the winding reel (4).

9. A novel retraction charging device as claimed in claim 1, wherein, The outer side of the PCB output conductive plate (5) is provided with a plurality of inward recessed notches, the inward recessed notches are movably connected with the pushing part (9), and the pushing part (9) is clamped and avoided by turning after abutting against the inward recessed notches.

10. A novel retraction charging device as claimed in claim 1, wherein, The pin needles (32) and the plurality of soldering pins (311) on the upper part of the integrated circular ring multi-branch contact spring (31) are electrically connected, the pin needles (32) are a plurality of groups, and the pin needles (32) comprise a power supply and a signal.

Images