40W potassium nitride telescopic line charger

By designing a positioning structure and a screwless fixing method, the 40W potassium nitride retractable cable charger solves the problems of chargers lacking retractable cables and inconvenient assembly, achieving the effect of quick assembly and convenient use.

CN223884975UActive Publication Date: 2026-02-06DONGGUAN ZHAOLING ELECTRONICS CO LTD
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Patent Information

Application Number
CN202520049532.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2026-02-06
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

Current mobile phone chargers lack a retractable cable design, making it easy to forget to bring the charging cable when traveling and causing inconvenience in assembly.

Method used

Design a 40W potassium nitride retractable cable charger. It adopts a positioning structure and a screwless fixing method. It can be quickly assembled through components such as positioning grooves, plugs and guide sleeves, and the retractable function of the charging cable is realized by spring-loaded contact.

Benefits of technology

It enables quick assembly and easy portability of the charger, and the charging cable is extendable to meet user needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to a charger, and particularly relates to a 40W potassium nitride telescopic line charger. A 40-watt potassium nitride telescopic line charger convenient to assemble comprises an outer shell, an outer shell cover, a mainboard, a lower partition plate, a lower shell, an upper shell, an upper partition plate and a charging line, the outer shell cover is connected to the left side face of the outer shell, and the mainboard and the like are sequentially installed in the outer shell from bottom to top through a positioning structure; a charging wire is wound between the lower shell and the upper shell, one end of the charging wire is connected with the mainboard, and the other end of the charging wire penetrates out of the right wall of the outer shell. When the mainboard, the lower partition plate, the lower shell, the upper shell and the upper partition plate are installed, positioning structures meeting the installation requirements are arranged, when the parts are installed, positioning can be rapidly carried out, screws are not needed for fixing, and assembling is convenient and rapid; when the charger is used, the charging wire and the pins which can be retracted facilitate the shoelace of the charger, so that the requirements of users are better met.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to a charger, especially relates to a 40-watt potassium nitride telescopic wire charger. BACKGROUND

[0002] The mobile phone charger is a power adapter specially designed for smart phones, which is used for converting alternating current (AC) into direct current (DC). At present, most mobile phone chargers on the market do not have built-in telescopic wires, which is inconvenient for business trips and easy to forget to take the charging wire.

[0003] The patent with the publication number CN210490485U discloses an integrated telescopic wire charger structure, which includes an AC charging head, at least two independent conductive rings are arranged on one side of an electric connection disc, the conductive rings are electrically connected with the current output end corresponding to the AC charging head; a connecting shaft is arranged on the inner side of the cover of the AC charging head, an automatic winding disc is rotatably connected to the connecting shaft, a data line is wound on the automatic winding disc, a wire hole is arranged on one side of the cover of the AC charging head for the data line to pass through; at least two conductive springs are fixedly arranged on one side of the automatic winding disc, the conductive springs are electrically connected with the data line, and the elastic ends of the conductive springs are in contact with the corresponding conductive rings. The data line is wound on the automatic winding disc during charging, and one end of the data line passes through the wire hole. When not in use, the data line is wound on the automatic winding disc by rotating the automatic winding disc, so that the data line is stored in the AC charging head, and the electric wire is not messy, which is convenient for carrying, storing and using. Although the device can store the data line, it is inconvenient to assemble and disassemble when assembling the charging head because screws are used to fix each part, and there is no positioning structure between each part.

[0004] Therefore, it is urgent to develop a 40-watt potassium nitride telescopic wire charger to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] In order to overcome the shortcomings of the prior art, the utility model provides a 40-watt potassium nitride telescopic wire charger which is convenient to assemble.

[0006] The technical scheme of the utility model is: a 40-watt potassium nitride telescopic wire charger, which comprises a shell body, a shell cover and a main board, the left side of the shell body is connected with the shell cover, the inner bottom of the shell body is provided with the main board, and further comprises a lower partition plate, a lower shell, an upper shell, an upper partition plate and a charging wire, the lower partition plate, the lower shell, the upper shell and the upper partition plate are installed above the main board, the charging wire is wound between the lower shell and the upper shell, one end of the charging wire is connected with the main board, and the other end of the charging wire passes out of the right wall of the shell body.

[0007] Optionally, the outer shell is further provided with a concave shell and a conical guide sleeve, the left end surface of the outer shell is a stepped surface recessed inward, the upper and lower parts of the left surface of the outer shell are provided with positioning grooves, the upper part of the right surface of the outer shell is recessed inward, and the recessed surface is provided with a square hole, the concave shell is inserted into the recessed part of the right surface of the outer shell, and the side of the concave shell inserted into the outer shell is provided with the conical guide sleeve, the conical guide sleeve extends into the outer shell, and one end of the charging wire passes out of the conical guide sleeve.

[0008] Optionally, the outer shell cover is further provided with a plug and a positioning plug, the front part of the left surface of the outer shell cover is symmetrically provided with a placing groove, the plug is rotatably connected in the placing groove, the other end of the plug is connected with the mainboard, the right surface of the outer shell cover is a stepped surface protruding outward, and the upper and lower parts of the stepped surface of the outer shell cover are provided with the positioning plug.

[0009] Optionally, the lower partition plate is further provided with an isolation column, a positioning column and a positioning block I, the isolation column is penetratingly arranged at the positions of the four corners of the lower partition plate, the bottom end of the isolation column is concentrically connected with the positioning column, the mainboard at the bottom end of the positioning column is provided with a positioning hole, the positioning column is inserted into the positioning hole, and the top of the isolation column is provided with a positioning insertion hole, and the top left corner and the right bottom corner of the lower partition plate are provided with the positioning block I.

[0010] Optionally, the lower shell is further provided with a spring piece and an upper extension block, the lower shell is arranged at the top center of the lower partition plate, the inner center of the lower shell is provided with the spring piece, the edge of the lower shell extends upward to form the upper extension block, the top of the upper extension block is provided with a cylindrical hole, the center of the spring piece is provided with an annular hole, and the edge of the lower shell above the positioning block I is provided with a positioning clamping groove I.

[0011] Optionally, the upper shell is further provided with a lower extension block, a clamping column and an arc plate, the edge of the upper shell extends downward to form the lower extension block, the bottom of the lower extension block is provided with the clamping column, the clamping column is inserted into the cylindrical hole, the bottom center of the upper shell is symmetrically provided with the arc plate, there is a gap between the arc plates, the arc plates are clamped into the annular hole, and the edge of the upper shell is symmetrically provided with a positioning clamping groove II.

[0012] Optionally, the bottom of the lower extension block is a stepped surface recessed upward, and the lower extension block is attached to the upper extension block through the stepped surface.

[0013] Optionally, the upper partition plate is further provided with a supporting column and a positioning block II, the bottom of the upper partition plate above the positioning insertion hole is provided with the supporting column, and the bottom of the upper partition plate above the positioning clamping groove II is provided with the positioning block II.

[0014] The utility model has the following advantages: the utility model is provided with the positioning structure which meets the installation requirement when installing the main plate, the lower baffle, the lower shell, the upper shell and the upper baffle, can be positioned quickly when installing these components, and need not be fixed through the screw, and is convenient and fast when assembling; when using the charger, the telescopic charging wire and the plug pin are convenient for the shoelace of the charger, and better meet the needs of the user. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0016] Figure 2 It is the explosion drawing of the utility model.

[0017] Figure 3 It is the three-dimensional structure schematic diagram of the utility model shell body.

[0018] Figure 4 It is the three-dimensional structure schematic diagram of the utility model shell body and shell cover.

[0019] Figure 5 It is the three-dimensional structure schematic diagram of the utility model main plate, lower baffle, lower shell, upper shell and upper baffle after assembling.

[0020] Figure 6 It is the three-dimensional structure schematic diagram of the utility model lower baffle.

[0021] Figure 7 It is the three-dimensional structure schematic diagram of the utility model lower shell and upper shell.

[0022] Figure 8 It is the three-dimensional structure schematic diagram of the utility model upper baffle.

[0023] Mark in drawing: 1-shell body, 11-square hole, 12-concave shell, 13-tapered guide sleeve, 14-positioning recess, 2-shell cover, 21-placing groove, 22-plug pin, 23-positioning plug, 3-main plate, 4-lower baffle, 41-isolation column, 42-positioning column, 43-positioning block I, 44-positioning plug hole, 5-lower shell, 51-fuse spring piece, 52-upper extension block, 53-cylindrical hole, 54-annular hole, 55-positioning clamping groove I, 6-upper shell, 61-positioning clamping groove II, 62-lower extension block, 63-clamping column, 64-arc plate, 7-upper baffle, 71-supporting column, 72-positioning block II, 8-charging wire. DETAILED DESCRIPTION

[0024] The embodiment of the utility model is explained below with reference to the drawings.

[0025] Embodiment: a 40-watt potassium nitride telescopic wire charger,Figures 1-8 As shown, including the outer shell 1, outer shell cover 2, mainboard 3, lower partition plate 4, lower shell 5, upper shell 6, upper partition plate 7 and charging line 8, the outer shell 1 left side is connected with the outer shell cover 2, the outer shell 1 is sequentially installed with the mainboard 3, the lower partition plate 4, the lower shell 5, the upper shell 6 and the upper partition plate 7 from bottom to top through the positioning structure, the lower shell 5 and the upper shell 6 are wound with the charging line 8, one end of the charging line 8 is connected with the mainboard 3, the other end of the charging line 8 is out of the right wall of the outer shell 1, the outer shell 1 is further provided with a concave shell 12 and a conical guide sleeve 13, the left end surface of the outer shell 1 is a step surface recessed inward, the upper and lower parts of the left side surface of the outer shell 1 are provided with positioning grooves 14, the upper part of the right side surface of the outer shell 1 is recessed inward, and the recessed surface is provided with a square hole 11, the concave shell 12 is inserted into the recessed part of the right side surface of the outer shell 1, the conical guide sleeve 13 is inserted into the outer shell 1, and the end of the charging line 8 connected with the mobile phone charging port is out of the conical guide sleeve 13; The outer shell cover 2 is further provided with a plug 22 and a positioning plug 23, the left side surface of the outer shell cover 2 is symmetrically provided with a placing groove 21, the plug 22 is rotatably connected in the placing groove 21, the other end of the plug 22 is connected with the mainboard 3, the right side surface of the outer shell cover 2 is a step surface protruding outward, the step surface of the outer shell cover 2 is provided with a positioning plug 23 on the upper side and the lower side, the outer shell cover 2 is inserted into the recessed step surface of the outer shell 1 through the step surface protruding outward, the positioning plug 23 is inserted into the positioning groove 14, and the outer shell cover 2 is adhered together with the outer shell 1 after abutting.

[0026] As shown in Figure 5 and Figure 6 As shown, the lower partition plate 4 is further provided with an isolation column 41, a positioning column 42 and a positioning block I 43, the isolation column 41 is provided at the four corners of the lower partition plate 4, the bottom end of the isolation column 41 is connected with the positioning column 42, the mainboard 3 is provided with a positioning hole at the bottom end of the positioning column 42, the positioning column 42 is inserted into the positioning hole, the top of the isolation column 41 is provided with a positioning hole 44, and the top left corner and the right bottom corner of the lower partition plate 4 are provided with the positioning block I 43.

[0027] As shown in Figure 7As shown, the lower shell 5 is also provided with a spring piece 51 and an upper extension block 52, the lower shell 5 is installed on the top center of the lower partition plate 4, the spring piece 51 is installed in the center of the lower shell 5, the lower shell 5 is provided with an upper extension block 52 extending upward at the edge, the top of the upper extension block 52 is provided with a step surface protruding upward, the top of the upper extension block 52 is provided with a cylindrical hole 53, the center of the spring piece 51 is provided with an annular hole 54, the edge of the lower shell 5 above the positioning block I 43 is provided with a positioning clamping groove I 55, and the positioning block I 43 is clamped in the positioning clamping groove I 55.

[0028] As shown in the drawings, Figure 8 As shown, the upper partition plate 7 is also provided with a support column 71 and a positioning block II 72, the support column 71 is installed at the bottom of the upper partition plate 7 above the positioning insertion hole 44, the bottom end of the support column 71 is inserted into the positioning insertion hole 44, and the positioning block II 72 is installed at the bottom of the upper partition plate 7 above the positioning clamping groove II 61, and the positioning block II 72 is clamped in the positioning clamping groove II 61.

[0029] In the assembly of the device, first, the main plate 3 is connected with the pin 22 on the shell cover 2, then the charging wire 8 is passed through the tapered guide sleeve 13 on the concave shell 12 and the outer shell 1, then the concave shell 12 is pressed into the square hole 11, then the end of the charging wire 8 passed through is connected with the main plate 3, then the lower partition plate 4 is inserted into the positioning hole on the main plate 3 through the positioning column 42, and the isolation column 41 separates the lower partition plate 4 from the main plate 3, then the lower shell 5 is placed above the lower partition plate 4, the positioning clamping groove I 55 on the lower shell 5 is clamped on the positioning block I 43, and the lower shell 5 is positioned, then the charging wire 8 is wound outside the arc-shaped plate 64, after the winding of the charging wire 8 is completed, the lower extension block 62 of the upper shell 6 and the upper extension block 52 of the lower shell 5 are attached together, the clamping column 63 is inserted into the positioning clamping groove I 55, and the arc-shaped plate 64 is inserted into the annular hole 54, after the installation of the upper shell 6 is completed, the support column 71 on the upper partition plate 7 is inserted into the positioning insertion hole 44, and the positioning block II 72 is clamped into the positioning clamping groove II 61 at the same time, at this time, the outer shell 1 covers the combined main plate 3, lower partition plate 4, lower shell 5, upper shell 6 and upper partition plate 7, and the outer shell 1 is well butted with the shell cover 2, the pin 22 is inserted into the positioning recess 14, and then the outer shell 1 and the shell cover 2 are well bonded by the ultrasonic machine.

[0030] When the device is needed to charge, the pin 22 in the placing groove 21 is turned up by 90 degrees, and the charging wire 8 is pulled out to the required length, the spring piece 51 is deformed, and then the mobile phone can be charged. After the mobile phone is charged, the charging wire 8 is pulled again, and under the action of the reset spring piece 51, the pulled charging wire 8 is retracted, the charging wire 8 is clamped into the concave shell 12, and the pin 22 is turned back into the placing groove 21.

[0031] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A 40-watt potassium nitride retractable cord charger, comprising a housing (1), a housing cover (2), and a main board (3), wherein the housing cover (2) is connected to the left side of the housing (1), and the main board (3) is installed at the bottom inside the housing (1), characterized in that: It also includes a lower partition (4), a lower housing (5), an upper housing (6), an upper partition (7), and a charging cable (8). The lower partition (4), lower housing (5), upper housing (6), and upper partition (7) are installed on the top of the motherboard (3). The charging cable (8) is wound between the lower housing (5) and the upper housing (6). One end of the charging cable (8) is connected to the motherboard (3), and the other end of the charging cable (8) passes through the right wall of the outer casing (1).

2. A 40 watt potassium nitride retractable cord charger according to claim 1 characterized by: The outer shell (1) is also equipped with a concave shell (12) and a conical guide sleeve (13). The left end face of the outer shell (1) is a stepped surface that is recessed inward. The upper and lower middle parts of the left side face of the outer shell (1) are provided with positioning grooves (14). The upper part of the right side face of the outer shell (1) is recessed inward, and a square hole (11) is provided on the recessed part of the right side face of the outer shell (1). The concave shell (12) is inserted into the recessed part of the right side face of the outer shell (1). The conical guide sleeve (13) is provided on the side of the concave shell (12) inserted into the outer shell (1). The conical guide sleeve (13) extends into the outer shell (1). One end of the charging cable (8) passes through the conical guide sleeve (13).

3. A 40 watt potassium nitride retractable cord charger according to claim 2, characterized in that: The outer casing (2) is also equipped with pins (22) and positioning blocks (23). The front left side of the outer casing (2) is symmetrically provided with placement slots (21). The pins (22) are rotatably connected in the placement slots (21). The other end of the pins (22) is connected to the main board (3). The right side of the outer casing (2) is a stepped surface that protrudes outward. The positioning blocks (23) are provided on the upper and lower middle parts of the stepped surface of the outer casing (2).

4. A 40 watt potassium nitride retractable cord charger according to claim 3, characterized in that: The lower partition (4) is also equipped with an isolation column (41), a positioning column (42) and a positioning block I (43). The isolation column (41) is installed through the four corners of the lower partition (4). The positioning column (42) is concentrically connected to the bottom end of the isolation column (41). The positioning hole is opened on the main board (3) at the bottom end of the positioning column (42). The positioning column (42) is inserted into the positioning hole. The positioning insertion hole (44) is opened on the top of the isolation column (41). The positioning block I (43) is installed at the top left and bottom right corners of the lower partition (4).

5. A 40 watt potassium nitride retractable cord charger according to claim 4, characterized in that: The lower housing (5) is also equipped with a spring spring (51) and an upper extension block (52). The lower housing (5) is installed at the top center of the lower partition (4). The spring spring (51) is installed in the center of the lower housing (5). The upper extension block (52) extends upward from the edge of the lower housing (5). A cylindrical hole (53) is opened at the top of the upper extension block (52). An annular hole (54) is opened in the center of the spring spring (51). A positioning slot I (55) is opened on the edge of the lower housing (5) above the positioning block I (43).

6. A 40 watt potassium nitride retractable cord charger according to claim 5, characterized in that: The upper shell (6) is also provided with a lower extension block (62), a clamping column (63) and an arc plate (64), the lower extension block (62) is downwardly extended at the edge of the upper shell (6), the clamping column (63) is installed at the bottom of the lower extension block (62) and is inserted into the cylindrical hole (53), the arc plate (64) is symmetrically arranged at the bottom center of the upper shell (6) and has a gap between the arc plates (64), the arc plate (64) is clamped into the annular hole (54), and the positioning clamping groove II (61) is symmetrically formed at the edge of the upper shell (6).

7. A 40 watt potassium nitride retractable cord charger according to claim 6, characterized in that: The bottom of the lower extension block (62) is an upwardly recessed step surface, and the lower extension block (62) is attached to the upper extension block (52) through the step surface.

8. A 40 watt potassium nitride retractable cord charger according to claim 7, characterized in that: The upper partition plate (7) is also provided with a supporting column (71) and a positioning block II (72), the supporting column (71) is installed at the bottom of the upper partition plate (7) above the positioning insertion hole (44), and the positioning block II (72) is installed at the bottom of the upper partition plate (7) above the positioning clamping groove II (61).

Citation Information

Patent Citations

  • Integrated telescopic wire charger structure

    CN210490485U