Charger electronic transformer convenient to disassemble and assemble

By introducing a snap-fit ​​structure at the slot and socket ends in the charger transformer, combined with a telescopic rod and spring design, the problem of difficult disassembly of the charger transformer is solved, enabling convenient disassembly and stable installation, and improving maintenance efficiency.

CN223898115UActive Publication Date: 2026-02-10HUNAN LIWANG NEW ENERGY CO LTD
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Patent Information

Application Number
CN202520105995.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2026-02-10
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

The transformer structure of existing mobile phone chargers is fixed, making them difficult to disassemble easily, which affects repair and testing.

Method used

It adopts a snap-fit ​​structure with slot and socket ends, combined with telescopic rod and spring design, and can be easily disassembled and assembled by pressing the button. With the help of sliding groove and sliding structure, the disassembly process is simplified.

Benefits of technology

It enables convenient disassembly and assembly of the charger transformer, improving the ease of maintenance and testing, while also providing structural stability and protection for internal components.

✦ Generated by Eureka AI based on patent content.

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Abstract

The charger electronic transformer convenient to disassemble and assemble belongs to the technical field of mobile phone chargers and comprises an outer frame shell, inner frames are clamped at the two ends of the outer frame shell, an inner protection cavity is formed in the outer frame shell, each inner frame comprises a bottom frame plate, sliding grooves are formed in the two sides of each bottom frame plate, and the sliding grooves are communicated with the inner protection cavity. The top surface of the bottom frame plate is connected with a transformer main body, one end of the transformer main body is provided with a slot end, the other end of the transformer main body is provided with a socket end, and the socket end is embedded into the slot end. The two ends of the internal bottom frame plate of the electronic transformer are fixedly connected with the slot end and the socket end respectively, and when the electronic transformer needs to be dismounted, the socket end can be triggered to press downwards only by pressing the button, so that the buckles at the two ends of the bottom frame plate are retracted into the slot end along with the inclination angles, the two side buckles are synchronously locked, and the bottom frame plate can be easily taken out in a sliding manner by matching with the sliding grooves; the overall dismounting and mounting process is convenient, and convenience is provided for maintenance and overhaul.
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Description

Technical Field

[0001] This utility model relates to the field of mobile phone charger technology, specifically to an electronic transformer for a charger that is easy to assemble and disassemble. Background Technology

[0002] A mobile phone charger, also known as a power bank or portable charger, is essentially a device that converts alternating current (AC) to direct current (DC) to power portable electronic devices such as mobile phones. It consists of a stable power supply (primarily a voltage regulator) providing a stable operating voltage and sufficient current, along with necessary control circuits such as constant current, voltage limiting, and time limiting circuits. Its core function is to convert household AC power into DC power suitable for mobile phones. The main structure of a mobile phone charger includes a high-voltage section, a transformer, and a low-voltage power supply section. The high-voltage section is typically connected to 220V AC power, while the internal transformer converts the high-voltage AC power into low-voltage DC power. The low-voltage power supply section is connected to the mobile phone, with an output voltage typically below 5V.

[0003] China Patent Network published (Publication Application No. CN212676047U) a transformer structure for a mobile phone charger, including a housing. Two power connectors are fixedly installed on the top of the housing, and a USB port is opened at the bottom of the housing. A USB data cable is plugged into the USB port and electrically connected to the USB port. Multiple heat dissipation vents are opened on the upper and lower outer walls of the housing. Two mounting plates are slidably connected inside the housing. A baffle is fixedly installed on the top of one mounting plate and the bottom of the other mounting plate. A first shock-absorbing spring is fixedly installed on one side of the baffle, and the other end of the first shock-absorbing spring is fixedly connected to the inner wall of the housing. Heat dissipation plates are slidably connected to both mounting plates.

[0004] The transformer structure inside the aforementioned charger is protected by the external charger casing, but the overall structure is relatively fixed. When the internal transformer malfunctions, its complex internal structure makes it difficult to disassemble, affecting the normal disassembly, repair, and testing by maintenance personnel. Therefore, we propose a charger electronic transformer that is easy to disassemble and assemble. Utility Model Content

[0005] The summary section of this application is intended to provide a brief overview of the concepts, which will be described in detail in the detailed description section below. This summary section is not intended to identify key or essential features of the claimed technical solutions, nor is it intended to limit the scope of the claimed technical solutions.

[0006] The purpose of this invention is to provide a charger electronic transformer that is easy to assemble and disassemble, so as to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a charger electronic transformer that is easy to assemble and disassemble, comprising an outer frame shell, an inner frame shell that is engaged at both ends of the outer frame shell, and an inner protective cavity provided inside the outer frame shell. The inner frame shell includes a bottom frame plate, and sliding grooves are provided on both sides of the bottom frame plate. A transformer body is connected to the top surface of the bottom frame plate, and a slot end is provided at one end of the transformer body. A socket end is provided at the other end of the transformer body. The socket end is embedded inside the slot end, and a button is connected to the top of the socket end. Telescopic rods are connected to both sides of the bottom surface of the socket end, and springs are connected to the bottom ends of the telescopic rods. Buckles are connected to the ends of both ends of the socket end.

[0008] Furthermore, the buckles and telescopic rods are symmetrically distributed along both ends of the socket, and the buckles and telescopic rods are vertically connected and fixed to both ends of the socket.

[0009] Furthermore, the socket end forms an elastic structure with the slot end through a telescopic rod and a spring, and the two ends of the socket end are hook-shaped.

[0010] Furthermore, the outer frame includes an outer shell, and protective strips are fastened to the outer walls at both ends of the outer shell. One end of the outer shell is connected to a side buckle, and a snap fastener is fastened to the inner wall of the side buckle.

[0011] Furthermore, the outer shell is fixedly connected to the protective strip and the edge buckle, and the protective strip is made of soft rubber.

[0012] Furthermore, the inner protective cavity includes an inner shell, and guide rails are provided at the bottom ends of both sides of the inner shell. The guide rails are fitted with the sliding grooves on both sides of the bottom frame plate. Gaskets are embedded in the inner walls on both sides of the inner shell, and a pad is embedded in the top of the inner shell.

[0013] Furthermore, the gaskets and pads are made of rubber, and the guide rail slides in conjunction with the bottom frame plate via a groove.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] The internal bottom frame plate of the electronic transformer is fixedly connected to the slot end and the socket end at both ends, respectively. The socket end and the slot end are connected to the transformer body wires to maintain normal use. When it needs to be removed, simply press the button to trigger the socket end to press down, so that the buckles at both ends of the socket end are retracted into the slot end with the tilt angle, thereby simultaneously locking the buckles on both sides. The bottom frame plate can be easily slid out with the sliding groove. The overall disassembly and installation process is convenient and provides convenience for maintenance and repair.

[0016] The outer casing of this electronic transformer consists of an outer shell, which is protected by soft rubber protective strips embedded at both ends. The edge buckle at one end engages with the buckle on both sides to keep the inner frame in place and thus maintain the stability of the overall structure.

[0017] The transformer's outer shell uses gaskets around its perimeter to protect the internal bottom frame and components. These gaskets are aligned with the transformer body, providing internal protection and cushioning during use. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the outer frame of this utility model;

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of the inner frame of this utility model;

[0020] Figure 3 This is a front view of the internal structure of the slot end in the inner frame of this utility model;

[0021] Figure 4 This is a frontal view of the internal structure of the inner protective cavity of this utility model.

[0022] In the diagram: 1. Outer frame; 101. Outer shell; 102. Protective strip; 103. Side buckle; 2. Inner frame; 201. Bottom frame plate; 202. Slide groove; 203. Transformer body; 204. Slot end; 205. Socket end; 206. Button; 207. Telescopic rod; 208. Spring; 209. Buckle; 3. Inner protective cavity; 301. Inner cavity shell; 302. Guide rail; 303. Gasket; 304. Pad block. Detailed Implementation

[0023] Embodiments of this disclosure will now be described in more detail with reference to the accompanying drawings. While some embodiments of this disclosure are shown in the drawings, it should be understood that this disclosure can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of this disclosure. It should be understood that the accompanying drawings and embodiments of this disclosure are for illustrative purposes only and are not intended to limit the scope of protection of this disclosure.

[0024] It should also be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings. Unless otherwise specified, the embodiments and features described in this disclosure can be combined with each other.

[0025] It should be noted that the concepts of "first" and "second" mentioned in this disclosure are used only to distinguish different devices, modules, or units, and are not used to limit the order of functions performed by these devices, modules, or units or their interdependencies.

[0026] It should be noted that the terms "a" and "a plurality of" used in this disclosure are illustrative rather than restrictive, and those skilled in the art should understand that, unless otherwise expressly indicated in the context, they should be understood as "one or more".

[0027] This disclosure will now be described in detail with reference to the accompanying drawings and embodiments.

[0028] This utility model provides, for example Figure 1-4 The charger electronic transformer shown includes an outer frame shell 1, with an inner frame 2 fastened to both ends of the outer frame shell 1, and an inner protective cavity 3 provided inside the outer frame shell 1. The outer frame shell 1 includes an outer shell 101, with protective strips 102 fastened to the outer walls of both ends of the outer shell 101. A side buckle 103 is connected to one end of the outer shell 101, and a buckle 209 is fastened to the inner wall of the side buckle 103.

[0029] To maintain external protection for the overall transformer structure, such as Figure 1 As shown, the outer casing of this electronic transformer is composed of an outer shell 101. The outer shell 101 and the soft rubber protective strips 102 embedded at both ends protect the outer casing structure. The edge buckle 103 at one end is fastened to the buckle 209 on both sides to keep the inner frame 2 in a fixed position, thereby maintaining the stability of the overall structure.

[0030] like Figure 2-3 As shown, the inner frame 2 includes a bottom frame plate 201, and the bottom frame plate 201 has sliding grooves 202 on both sides. The top surface of the bottom frame plate 201 is connected to the transformer body 203, and one end of the transformer body 203 is provided with a slot end 204. The other end of the transformer body 203 is provided with a socket end 205. The socket end 205 is embedded inside the slot end 204, and a button 206 is connected to the top of the socket end 205. Telescopic rods 207 are connected to both sides of the bottom surface of the socket end 205, and a spring 208 is connected to the bottom end of the telescopic rod 207. Buckles 209 are connected to both ends of the socket end 205.

[0031] To facilitate the installation and disassembly of the overall transformer structure, a linkage fastening mechanism is used to assist in assembly and disassembly, such as... Figure 2-3As shown, the two ends of the internal bottom frame plate 201 of this electronic transformer are fixedly connected to the slot end 204 and the socket end 205 respectively. The socket end 205 and the slot end 204 are connected to the conductors of the transformer body 203 to maintain normal use. When it needs to be removed, simply press the button 206 to trigger the socket end 205 to press down, so that the buckles 209 at both ends are tilted into the slot end 204, thereby simultaneously locking the side buckles 103 on both sides. The bottom frame plate 201 can be easily slid out with the slide groove 202. The overall disassembly and installation process is convenient, providing convenience for maintenance and repair.

[0032] like Figure 4 As shown, the inner protective cavity 3 includes an inner cavity shell 301, and guide rails 302 are provided at the bottom ends of both sides of the inner cavity shell 301. The guide rails 302 are fitted with the sliding grooves 202 on both sides of the bottom frame plate 201. Gaskets 303 are embedded in the inner walls on both sides of the inner cavity shell 301, and a pad block 304 is embedded in the top of the inner cavity shell 301.

[0033] Finally, to provide protection for the internal structure, such as Figure 4 As shown, the inner wall of the transformer structure housing protects the inner bottom frame plate 201 and internal components through the gaskets 303 around the inner wall of the inner cavity shell 301. At the same time, the position of the pad 304 is aligned with the position of the transformer body 203, which can provide internal protective buffer during use and protect the internal transformer body 203 and components.

[0034] In summary, when using this power supply device, the user can first align the bottom frame plate 201 with the guide rails 302 on both sides of the inner cavity shell 301 along the sliding grooves 202 on both sides, and slide it into the inner cavity shell 301 along the direction of the socket end 205 until it touches the bottom. At this time, press the button 206. The socket end 205 connected to the bottom of the button 206 will be pressed and descend synchronously. The springs 208 at both ends of the socket end 205 will be pressed, and the buckles 209 will be inserted into the inside of both sides of the slot end 204 with the tilt angle. Then, the two ends of the slot end 204 will be attached to the side buckles 103. Then, release the button 206. The socket end 205 will return to its original position with the spring force, and the two ends will be locked, thus completing the convenient installation.

[0035] The above description is merely a selection of preferred embodiments of this disclosure and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the invention involved in the embodiments of this disclosure is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the above-described inventive concept. For example, technical solutions formed by substituting the above-described features with (but not limited to) technical features with similar functions disclosed in the embodiments of this disclosure.

Claims

1. A charger electronic transformer that is easy to assemble and disassemble, comprising an outer frame (1), characterized in that: The outer frame (1) is fitted with an inner frame (2) at both ends, and an inner protective cavity (3) is provided inside the outer frame (1). The inner frame (2) includes a bottom frame plate (201), and sliding grooves (202) are provided on both sides of the bottom frame plate (201). The top surface of the bottom frame plate (201) is connected to a transformer body (203), and one end of the transformer body (203) is provided with a slot end (204). The other end of the transformer body (203) is provided with a socket end (205). The socket end (205) is embedded inside the slot end (204), and a button (206) is connected to the top of the socket end (205). Telescopic rods (207) are connected to both sides of the bottom surface of the socket end (205), and a spring (208) is connected to the bottom end of the telescopic rod (207). Buckles (209) are connected to both ends of the socket end (205).

2. The charger electronic transformer that is easy to assemble and disassemble according to claim 1, characterized in that: The buckle (209) and telescopic rod (207) are symmetrically distributed along both ends of the socket end (205), and the buckle (209) and telescopic rod (207) are vertically connected and fixed to both ends of the socket end (205).

3. The charger electronic transformer that is easy to assemble and disassemble according to claim 1, characterized in that: The socket end (205) forms an elastic structure with the slot end (204) through the telescopic rod (207) and spring (208), and the buckles (209) at both ends of the socket end (205) are in the shape of barbs.

4. The charger electronic transformer that is easy to assemble and disassemble according to claim 1, characterized in that: The outer frame (1) includes an outer shell (101), and protective strips (102) are fastened to the outer walls at both ends of the outer shell (101). A side buckle (103) is connected to one end of the outer shell (101), and a buckle (209) is fastened to the inner wall of the side buckle (103).

5. The charger electronic transformer that is easy to assemble and disassemble according to claim 4, characterized in that: The outer shell (101) is fixedly connected to the protective strip (102) and the side buckle (103), and the protective strip (102) is made of soft rubber.

6. The charger electronic transformer that is easy to assemble and disassemble according to claim 1, characterized in that: The inner protective cavity (3) includes an inner cavity shell (301), and guide rails (302) are provided at the bottom ends of both sides of the inner cavity shell (301). The guide rails (302) are fitted with the sliding grooves (202) on both sides of the bottom frame plate (201). Gaskets (303) are embedded in the inner walls on both sides of the inner cavity shell (301), and a pad (304) is embedded in the top of the inner cavity shell (301).

7. The charger electronic transformer that is easy to assemble and disassemble according to claim 6, characterized in that: The gasket (303) and the pad (304) are made of rubber, and the guide rail (302) slides with the bottom frame plate (201) through the groove (202).

Citation Information

Patent Citations

  • Transformer structure of mobile phone charger

    CN212676047U