Ultrathin telescopic line module structure

Through the plug-in connection method of the upper shell and the lower shell and the rotation connection of the reinforcement, the 7-shaped card slot and the L-shaped card slot are used to achieve rapid positioning and assembly, which solves the problem of insufficient positioning when assembling the charger telescopic cable module, reduces production costs, improves assembly efficiency, and protects the charging cable.

CN223397238UActive Publication Date: 2025-09-30DONGGUAN ZHAOLING ELECTRONICS CO LTD
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Patent Information

Application Number
CN202520049402.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-09-30
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

Existing charger telescopic cable modules lack a positioning device during assembly, resulting in high production costs and low assembly efficiency.

Method used

The upper shell and the lower shell are combined by plugging and snapping, combined with the rotation connection of the reinforcement and the winding part, and the 7-shaped slot and L-shaped slot are used to achieve rapid positioning and enhance the strength of the winding part.

Benefits of technology

It realizes rapid positioning and assembly, reduces production costs, improves assembly efficiency, and protects charging cables from damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of chargers, and particularly relates to an ultrathin telescopic line module structure. The utility model discloses an ultrathin telescopic line module structure capable of being quickly positioned and assembled. The ultrathin telescopic line module structure comprises an upper shell and the like, the upper shell and the lower shell are combined together in an inserting and clamping mode, the fixing piece is inserted in the center of the upper shell, the reinforcing piece is connected to the top of the winding piece in a clamping mode, and the reinforcing piece and the winding piece are rotationally connected with the fixing piece. The upper shell and the lower shell are clamped in the 7-shaped clamping grooves through the 7-shaped clamping plates, and the pin shaft is inserted into the pin hole in the side wall of the upper shell cover, so that the upper shell and the lower shell can be quickly positioned and assembled; the reinforcing piece and the winding piece are clamped in the L-shaped clamping grooves through the L-shaped clamping plates, and the limiting plates are clamped in the limiting grooves of the winding part, so that the strength of the winding part can be enhanced, and when the charging wire is wound on the winding part, the winding part cannot be damaged due to extrusion of the charging wire.
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Description

Technical Field

[0001] The utility model belongs to the field of chargers, and in particular relates to an ultra-thin telescopic wire module structure. Background Art

[0002] A retractable charger cord module typically refers to a mechanical structure built into a charger or power cord that allows the cord to automatically retract and expand as needed. This design is commonly found in chargers for various portable electronic devices, such as mobile phones, tablets, and laptops, as well as some desktop power adapters. The primary purpose of a retractable cord module is to improve user convenience, reduce cord entanglement and storage space requirements, and protect the cord from damage caused by excessive pulling.

[0003] Patent authorization announcement number CN216451156U discloses a single-pull retractable cable module, comprising a housing, a data cable disposed within the housing, a PCB board, and a rotating structure. The rotating structure is connected to the PCB board, and the data cable is coiled between the rotating structure and the PCB board, driving the rotating structure and the PCB board to rotate when the data cable is extended or retracted. The PCB board is electrically connected to the data cable, and a conductive contact track is provided on the side of the PCB board away from the data cable. The housing is provided with an opening, through which one end of the data cable extends. The housing is provided with a through hole, through which the conductive contact track is electrically connected to an external charging device. A charging device including the above-mentioned single-pull retractable cable module also includes a main body, the single-pull retractable cable module is disposed within the main body, the PCB board is electrically connected to the circuit board within the main body, and the main body is provided with an output port, through which one end of the data cable extends from the opening and the output port. When the data cable is pulled, the PCB board rotates with the rotating structure, and the conductive contact track ensures that the data cable maintains an electrical connection with the circuit board within the main body when the data cable is stretched. The telescopic line modules of the above applications are all connected by welding, and the installation positions of the various components lack corresponding positioning devices, which places higher requirements on positioning during assembly, thereby increasing the cost of component production and the efficiency of assembly.

[0004] Therefore, there is an urgent need to develop an ultra-thin telescopic wire module structure that can be quickly positioned and assembled to solve the above technical problems. Utility Model Content

[0005] In order to overcome the above-mentioned shortcomings of the prior art, the utility model provides an ultra-thin telescopic wire module structure that can be quickly positioned and assembled.

[0006] The technical solution of the utility model is: an ultra-thin telescopic wire module structure, comprising an upper shell, a lower shell, a reinforcement, a winding piece and a fixing piece, the upper shell and the lower shell are combined together by plugging and snapping, the fixing piece is plugged in the center of the upper shell, the reinforcement piece is connected to the top of the winding piece by snapping, and the reinforcement piece and the winding piece are rotatably connected to the fixing piece; its characteristics are: the upper shell is an upper shell cover, an outlet hole is opened at an eccentric position on the top of the upper shell cover, the upper shell cover is evenly spaced around the circumference and has two or more 7-shaped slots in a group, at least two groups, a jack is opened at the center of the top of the upper shell, the upper part of the jack is diamond-shaped, and the lower part of the jack is circular.

[0007] Furthermore, the lower shell includes a lower shell cover, a 7-shaped card plate, a PCBA board, a limit column and a cam. A 7-shaped card plate with the same number as the 7-shaped card slots is provided on the top of the lower shell cover. A limit column is provided in the center of the lower shell cover. The limit column is annular. The PCBA board is clamped in the lower shell cover. A cam is provided for rotation at an eccentric position at the bottom of the lower shell cover, and a card shaft is provided at the top of the cam near the end face.

[0008] Furthermore, the lower shell body also includes a pin shaft, the top of the lower shell cover side wall is provided with a pin shaft, and the upper shell cover side wall above the pin shaft is provided with a pin hole.

[0009] Furthermore, the reinforcement member includes a positioning cover and an L-shaped clamping plate. The positioning cover is provided with at least two L-shaped clamping plates evenly spaced circumferentially, and a through hole is opened in the center of the positioning cover.

[0010] Furthermore, the winding part includes a rotating plate, a winding part and an immersion gold plate. The rotating plate is clamped on the limit column through a middle through hole. The top of the rotating plate is provided with a winding part extending upward. L-shaped slots are evenly spaced on the side of the winding part. The bottom of the rotating plate is clamped with the immersion gold plate. The bottom of the rotating plate is provided with a guide groove, and the clamping shaft on the cam is in the guide groove.

[0011] Furthermore, the fixing piece is composed of a columnar block, a diamond block and an arc block. The diamond block is arranged on the top of the columnar block, and the arc block is symmetrically arranged on the bottom of the diamond block.

[0012] Furthermore, the reinforcement member also includes a limiting plate, at least one limiting plate is arranged circumferentially on the positioning cover, and a limiting groove is provided on the winding portion below the limiting plate.

[0013] The upper shell and the lower shell of the utility model are clamped in the 7-shaped slot by the 7-shaped clamping plate, and the pin shaft is inserted into the pin hole of the side wall of the upper shell cover, so that the upper shell and the lower shell can be quickly positioned and assembled; the reinforcement part and the winding part are clamped in the L-shaped slot by the L-shaped clamping plate, and the limiting plate is clamped in the limiting slot of the winding part, which can enhance the strength of the winding part, so that when the charging cable is wound on the winding part, the winding part will not be damaged due to the squeezing of the charging cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0015] Figure 2 This is an exploded view of the present invention.

[0016] Figure 3 It is a schematic diagram of the three-dimensional structure of the upper shell of the utility model.

[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of the lower shell of the utility model.

[0018] Figure 5 It is a schematic diagram of the three-dimensional structure of the reinforcing member, winding member and fixing member of the utility model.

[0019] Figure 6 It is a schematic diagram of the three-dimensional structure of the winding component of the utility model.

[0020] Figure 7 This is a schematic diagram of the three-dimensional structure of the winding component of the present invention from another perspective.

[0021] Figure 8 It is a schematic diagram of the three-dimensional structure of the reinforcement member of the present invention.

[0022] Figure 9 It is a schematic diagram of the three-dimensional structure of the fixing member of the utility model.

[0023] Explanation of the reference numerals: 1-upper shell, 101-upper shell cover, 102-wire outlet hole, 103-7-shaped card slot, 104-jack, 2-lower shell, 201-lower shell cover, 202-7-shaped card plate, 203-PCBA board, 204-limiting column, 205-cam, 206-pin shaft, 3-reinforcement member, 301-positioning cover, 302-L-shaped card plate, 303-through hole, 304-limiting plate, 4-winding member, 401-rotating plate, 402-winding part, 403-L-shaped card slot, 404-guide groove, 405-immersion gold plate, 5-fixing member, 501-columnar block, 502-diamond block, 503-arc block. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0025] Example: An ultra-thin telescopic wire module structure, such as Figures 1-9As shown, it includes an upper shell 1, a lower shell 2, a reinforcement 3, a winding member 4 and a fixing member 5. The upper shell 1 and the lower shell 2 are combined together by plugging and snapping. The fixing member 5 is plugged into the center of the upper shell 1. The reinforcement 3 is connected to the top of the winding member 4 by snapping. The reinforcement 3 and the winding member 4 are rotatably connected to the fixing member 5; the upper shell 1 is an upper shell cover 101, and an outlet hole 102 is opened at an eccentric position on the top of the upper shell cover 101. The upper shell cover 101 is evenly spaced around the circumference and has two 7-shaped slots 103 in a group, at least two groups, and a jack is opened in the center of the top of the upper shell 1 104, the upper part of the jack 104 is diamond-shaped, and the lower part of the jack 104 is circular; the lower shell 2 includes a lower shell cover 201, a 7-shaped card plate 202, a PCBA board 203, a limiting column 204, a cam 205 and a pin 206. The top of the lower shell cover 201 is provided with a 7-shaped card plate 202 with the same number as the 7-shaped card slot 103. A limiting column 204 is provided in the center of the lower shell cover 201. The limiting column 204 is annular. The PCBA board 203 is clamped in the lower shell cover 201. A cam 205 is provided at the eccentric position of the bottom of the lower shell 2. The top of the cam 205 is close to the end face. A card shaft is provided, a pin shaft 206 is provided on the top of the side wall of the lower shell cover 201, and a pin hole is provided on the side wall of the upper shell cover 101 above the pin shaft 206; the reinforcement member 3 includes a positioning cover 301, an L-shaped card plate 302 and a limit plate 304, the positioning cover 301 is provided with at least two L-shaped card plates 302 evenly spaced around the circumference, the positioning cover 301 is provided with at least one limit plate 304 around the circumference, and a through hole 303 is provided in the center of the positioning cover 301; the winding member 4 includes a rotating plate 401, a winding portion 402 and an immersion gold plate 405, and the rotating plate 401 is clamped on the limit column 20 through the middle through hole 303 4, a winding portion 402 extending upward is provided on the top of the rotating plate 401, and L-shaped slots 403 are evenly spaced on the side of the winding portion 402. A limiting slot is provided on the winding portion 402 below the limiting plate 304, and a gold plate 405 is clamped on the bottom of the rotating plate 401. A guide slot 404 is provided at the bottom of the rotating plate 401, and the clamping shaft on the cam 205 is in the guide slot 404; the fixing member 5 consists of a columnar block 501, a diamond block 502 and an arc block 503. The diamond block 502 is provided on the top of the columnar block 501, and the arc block 503 is symmetrically provided on the bottom of the diamond block 502.

[0026] When assembling the telescopic line module, first place the PCBA board 203 as shown in FIG. Figure 3 The card is inserted into the lower shell 201, and then the immersion gold plate 405 is clamped on the bottom of the rotating plate 401. Figure 7, then install the winding member 4 in the lower shell cover 201, then place the positioning cover 301 above the winding part 402, and the L-shaped card plate 302 is clamped in the L-shaped card slot 403. When the L-shaped card plate 302 and the L-shaped card slot 403 are clamped, the first contact surface is the inclined surface that fits each other, so that the L-shaped card plate 302 can be better clamped in the L-shaped card slot 403. After the L-shaped card plate 302 and the L-shaped card slot 403 are clamped, the contact The surface is a right-angled surface, which can prevent the L-shaped card plate 302 from being separated from the L-shaped card slot 403 after being clamped. The limiting plate 304 is clamped in the limiting slot of the winding part 402, so that the strength of the winding part 402 can be strengthened, so that when the charging cable is wound on the winding part 402, the winding part 402 will not be damaged due to the squeezing of the charging cable. At the same time, the limiting plate 304 can rotate with the rotating plate 401. The combined winding member 4 and the reinforcement member 3 are referred to as Figure 5 , then the charging cable can be wound around the winding portion 402. After the charging cable is wound, the fixing member 5 is inserted into the socket 104, and the diamond block 502 of the fixing member 5 is in the diamond part of the socket 104. Then the upper shell cover 101 is placed on top of the lower shell cover 201, and the 7-shaped card plate 202 is clamped in the 7-shaped card slot 103. When the 7-shaped card plate 202 and the 7-shaped card slot 103 are clamped, the first contact surface is the inclined surface that fits each other. , so that the 7-shaped card plate 202 can be better clamped in the 7-shaped card slot 103, the contact surface of the 7-shaped card plate 202 and the 7-shaped card slot 103 after the clamping is completed is a right-angled surface, which can prevent the 7-shaped card plate 202 and the 7-shaped card slot 103 from being separated after the clamping, the pin shaft 206 is inserted into the pin hole of the side wall of the upper shell cover 101, and the arc block 503 of the fixing member 5 is inserted into the limiting column 204. In this way, the telescopic line module is assembled.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An ultra-thin telescopic cable module structure, comprising an upper shell (1), a lower shell (2), a reinforcement member (3), a winding member (4) and a fixing member (5), wherein the upper shell (1) and the lower shell (2) are assembled together by plugging and snapping, the fixing member (5) is plugged into the center of the upper shell (1), the reinforcement member (3) is connected to the top of the winding member (4) by snapping, and the reinforcement member (3) and the winding member (4) are rotatably connected to the fixing member (5); wherein: The upper shell (1) is an upper shell cover (101), an outlet hole (102) is provided at an eccentric position on the top of the upper shell cover (101), the upper shell cover (101) is provided with at least two groups of 7-shaped slots (103) at even intervals in the circumferential direction, two of which form a group, and a plug hole (104) is provided at the center of the top of the upper shell (1), the upper part of the plug hole (104) is diamond-shaped, and the lower part of the plug hole (104) is circular.

2. The ultra-thin telescopic cable module structure according to claim 1, characterized in that: The lower shell (2) comprises a lower shell cover (201), a 7-shaped card plate (202), a PCBA board (203), a limiting column (204) and a cam (205); the top of the lower shell cover (201) is provided with the 7-shaped card plates (202) having the same number as the 7-shaped card slots (103); a limiting column (204) is provided at the center of the lower shell cover (201); the limiting column (204) is annular; the PCBA board (203) is clamped in the lower shell cover (201); a cam (205) is rotatably provided at an eccentric position at the bottom of the lower shell cover (201); and a clamping shaft is provided at the top of the cam (205) near the end surface.

3. The ultra-thin telescopic cable module structure according to claim 2, wherein: The lower shell (2) also includes a pin shaft (206), the top of the side wall of the lower shell cover (201) is provided with a pin shaft (206), and the side wall of the upper shell cover (101) above the pin shaft (206) is provided with a pin hole.

4. The ultra-thin telescopic cable module structure according to claim 3, characterized in that: The reinforcement (3) comprises a positioning cover (301) and an L-shaped clamping plate (302). The positioning cover (301) is provided with at least two L-shaped clamping plates (302) evenly spaced in the circumferential direction. A through hole (303) is provided in the center of the positioning cover (301).

5. The ultra-thin telescopic cable module structure according to claim 4, characterized in that: The winding member (4) comprises a rotating plate (401), a winding portion (402) and a gold-immersion plate (405); the rotating plate (401) is clamped on the limiting column (204) through the through hole (303) in the middle; the top of the rotating plate (401) is provided with a winding portion (402) extending upward; the side of the winding portion (402) is evenly spaced with L-shaped slots (403); the bottom of the rotating plate (401) is clamped with the gold-immersion plate (405); the bottom of the rotating plate (401) is provided with a guide groove (404); the clamping shaft on the cam (205) is in the guide groove (404).

6. The ultra-thin telescopic cable module structure according to claim 5, characterized in that: The fixing member (5) is composed of a columnar block (501), a diamond block (502) and an arc block (503). The top of the columnar block (501) is provided with the diamond block (502), and the bottom of the diamond block (502) is symmetrically provided with the arc block (503).

7. The ultra-thin telescopic cable module structure according to claim 5, characterized in that: The reinforcement (3) further comprises a limiting plate (304), the positioning cover (301) is circumferentially provided with at least one limiting plate (304), and a limiting groove is provided on the winding portion (402) below the limiting plate (304).