Portable power adapter

Abstract

The utility model relates to the technical field of power adapters, in particular to a portable power adapter. The portable power adapter comprises a power adapter body, an input power line, a power plug, an output power line and an output interface, the left end of the power adapter body is connected with the output power line, the tail end of the output power line is connected with the output interface, and the right end of the power adapter body is connected with the input power line. The tail end of the input power line is connected with a power plug, the power adapter further comprises a storage shell, a winding disc, a fixing rod, a spring and a clamping assembly, and the right side wall of the power adapter body is connected with the storage shell. Through the design of the winding disc and the clockwork spring, the input power line can be neatly stored in the storage shell when not used, so that the whole equipment is small in size and convenient to carry, the storage space is reduced, and disorder of the input power line is avoided.

Description

Technical Field

[0001] This utility model relates to the field of power adapter technology, and in particular to a portable power adapter. Background Technology

[0002] With the widespread use of mobile devices and the increasing mobility of people's lifestyles, the demand for portable power adapters is constantly increasing. Users often need to charge various electronic devices such as mobile phones, tablets, and laptops while traveling, working, or engaging in outdoor activities.

[0003] Most power adapters on the market currently have fixed power cords. Due to their length and difficulty in management, these cords are often bulky and inconvenient to carry and use, requiring users to manually wind or unwind them. This is not only time-consuming and laborious but also prone to tangling, knotting, and even damage. Lacking an effective storage mechanism, traditional adapters take up considerable space when not in use, making them difficult to fit into small bags or pockets, thus reducing portability. Utility Model Content

[0004] To overcome the aforementioned shortcomings, the technical problem to be solved is to provide a portable power adapter.

[0005] The technical solution of this utility model is as follows: a portable power adapter, including a power adapter body, an input power cord, a power plug, an output power cord, and an output interface. The output power cord is connected to the left end of the power adapter body, and the output interface is connected to the end of the output power cord. The input power cord is connected to the right end of the power adapter body, and the power plug is connected to the end of the input power cord. It also includes a storage shell, a winding reel, a fixing rod, a spring, and a snap-fit ​​assembly. The storage shell is connected to the right side wall of the power adapter body. The fixing rod is connected to the right side wall of the power adapter body inside the storage shell. The winding reel is rotatably connected to the fixing rod. A spring is connected between the inner ring of the winding reel and the fixing rod. The input power cord passes through the storage shell, and the excess part is wound on the winding reel, with its end protruding from the front end of the storage shell. The power plug is located at the front of the storage shell. The storage shell is provided with a snap-fit ​​assembly.

[0006] Furthermore, the surface of the winding reel is coated with a wear-resistant coating.

[0007] Furthermore, the locking assembly includes a ratchet ring, a movable disc, a compression spring, a pull rod, a pawl, and a torsion spring. The pull rod is slidably connected to the right side of the housing, and the movable disc is connected to the left end of the pull rod. The movable disc is fitted onto the right end of the fixed rod and is slidably connected to the fixed rod. A compression spring is connected between the right side wall of the movable disc and the inner wall of the housing, and the compression spring is fitted onto the right end of the fixed rod. A pawl is rotatably connected to the eccentric part of the left side of the movable disc, and a torsion spring is connected between the pawl and the movable disc. A ratchet ring is connected to the right side wall of the take-up reel, and the pawl locks into place with the ratchet ring.

[0008] Furthermore, it also includes elastic bands and Velcro assemblies. Two parallel elastic bands are connected to the left side wall of the power adapter body. Velcro assemblies are provided between the upper end of the elastic bands and the top left side of the power adapter body. The output power cord is gathered on the left side of the power adapter body through the two elastic bands.

[0009] Furthermore, the Velcro assembly consists of a Velcro tab and a Velcro tab. The Velcro tab is attached to the upper end of the elastic band, and the Velcro tab is attached to the top left side of the power adapter body. They are respectively installed at the upper end of the elastic band and the top left side of the power adapter body.

[0010] Furthermore, the front and rear side walls of the power adapter body are provided with anti-slip parts, which are toothed groove structures.

[0011] The beneficial effects of this utility model are as follows: 1. Through the design of the winding reel and the spring, the input power cord can be neatly stored in the storage housing when not in use, making the whole device compact and easy to carry. This not only reduces storage space but also avoids the messy state of the input power cord.

[0012] 2. The ratchet ring and pawl design ensures that the input power cord will not retract due to the spring's restoring force after being pulled out, thus avoiding the risk of accidental power outages and providing users with a stable power connection. This is especially important in scenarios requiring long-term use, ensuring the continuity and reliability of power supply.

[0013] 3. The output power cord is managed with elastic bands and Velcro straps, allowing users to easily secure or release the output power cord, keeping the equipment and its surrounding environment tidy. This not only simplifies the process of organizing the output power cord but also improves ease of use. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0015] Figure 2 This is a three-dimensional structural diagram of the power plug, output power cord, and output interface components of this utility model.

[0016] Figure 3 This is a partial sectional view of the first part of this utility model.

[0017] Figure 4 This is an enlarged schematic diagram of a partial sectional view of the first part of this utility model.

[0018] Figure 5 This is a three-dimensional structural diagram of the components of this utility model, including the winding reel, fixing rod, and ratchet ring.

[0019] Figure 6 This is a partial sectional view of the second part of this utility model.

[0020] Figure 7 This is an enlarged schematic diagram of a partial sectional view of the second part of this utility model.

[0021] In the attached diagram, the following are the reference numerals: 1_Power adapter body, 2_Input power cord, 3_Power plug, 4_Output power cord, 5_Output interface, 6_Elastic band, 7_Hook and loop fastener assembly, 8_Storage housing, 9_Rewind reel, 10_Fixing rod, 11_Spring, 12_Ratchet ring, 13_Moving disc, 14_Compression spring, 15_Pull rod, 16_Pawl, 17_Torsion spring. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Example: A portable power adapter, such as Figures 1-7 As shown, the device includes a power adapter body 1, an input power cord 2, a power plug 3, an output power cord 4, an output interface 5, a storage housing 8, a winding reel 9, a fixing rod 10, a spring 11, and a snap-fit ​​assembly. The output power cord 4 is connected to the left end of the power adapter body 1, and the output interface 5 is connected to the end of the output power cord 4. The input power cord 2 is connected to the right end of the power adapter body 1, and the power plug 3 is connected to the end of the input power cord 2. The storage housing 8 is attached to the right side wall of the power adapter body 1. A fixing rod 10 is connected to the right side wall of the power adapter body 1 inside the storage housing 8, and the winding reel 9 is rotatably connected to the fixing rod 10. A spring 11 connects the inner ring of the winding reel 9 to the fixing rod 10. The input power cord 2 passes through the storage housing 8, and the excess part is wound around the winding reel 9, with its tail end protruding from the front end of the storage housing 8. The power plug 3 is located in front of the storage housing 8. Pulling the power plug 3 will pull the output power cord 4 out from the winding reel 9, realizing the winding and pulling of the output power cord 4. The surface of the winding reel 9 is coated with a wear-resistant coating to prevent wear or rust after long-term use. The storage housing 8 is equipped with a snap-fit ​​component. The front and rear side walls of the power adapter body 1 are provided with anti-slip parts with a toothed structure, which can play an anti-slip role when holding the power adapter body 1.

[0024] like Figures 3-7As shown, the locking assembly includes a ratchet ring 12, a movable disc 13, a compression spring 14, a pull rod 15, a pawl 16, and a torsion spring 17. The pull rod 15 is slidably connected to the right side of the housing 8. The movable disc 13 is welded to the left end of the pull rod 15. The movable disc 13 is fitted onto the right end of the fixed rod 10 and is slidably connected to the fixed rod 10. The compression spring 14 is connected between the right side wall of the movable disc 13 and the inner wall of the housing 8. The compression spring 14 is fitted onto the right end of the fixed rod 10. The pawl 16 is rotatably connected to the eccentric part of the left side of the movable disc 13. The torsion spring 17 is connected between the pawl 16 and the movable disc 13. The ratchet ring 12 is welded to the right side wall of the take-up reel 9. The pawl 16 engages with the ratchet ring 12 to limit the take-up reel 9 and prevent it from rotating counterclockwise.

[0025] The power adapter body 1 is equipped with a power plug 3 and an output interface 5, both of which are fitted with an input power cord 2 and an output power cord 4 for easy connection to related devices. The input power cord 2 and output power cord 4 are of standard length to meet the connection needs of devices at different distances. When the power adapter body 1 is not in operation, the input power cord 2 is stored in the winding reel 9, making the device more portable. This winding reel 9 has a built-in spring 11 that automatically retracts the input power cord 2 after it is released. The user pulls the input power cord 2 out by pulling the power plug 3. At this time, the winding reel 9 rotates clockwise under the action of external force, and the internal spring 11 deforms and stores energy. To prevent the winding reel 9 from rotating in the opposite direction, the design of the ratchet ring 12 and the pawl 16 ensures that the winding reel 9 can only rotate in one direction. The pawl 16 slides over the teeth of the ratchet ring 12, and the torsion spring 17 provides a reset without obstructing the pull-out of the input power cord 2. Once the input power cord 2 is pulled out to the required length, the geometric fit and contact angle between the pawl 16 and the ratchet ring 12 ensure that even if the input power cord 2 is released, the reel 9 will not rotate counterclockwise due to the spring force of the mainspring 11, thus maintaining the pulled-out state of the input power cord 2. If it is necessary to reel in the input power cord 2, the user can operate the lever 15 located on one side of the power adapter body 1. Pulling the lever 15 will cause the moving disc 13 to move to the right along with the pawl 16, and the compression spring 14 will deform accordingly. When the pawl 16 disengages from the ratchet ring 12, the reset force of the mainspring 11 will drive the reel 9 and the ratchet ring 12 to rotate counterclockwise, thereby automatically reeling in the excess input power cord 2. After winding is complete, release the lever 15, the compression spring 14 returns to its original state, push the lever 15 and pawl 16 back to their original positions, and the pawl 16 engages with the ratchet ring 12 again, ready for the next use.

[0026] like Figures 1-2As shown, it also includes elastic bands 6 and Velcro 7. Two parallel elastic bands 6 are connected to the left side wall of the power adapter body 1. Velcro 7 is provided between the upper end of the elastic bands 6 and the top left side of the power adapter body 1 to fix the position of the elastic bands 6. The output power cord 4 is gathered to the left side of the power adapter body 1 by the two elastic bands 6 to prevent the output power cord 4 from being tangled. These elastic bands 6 have sufficient elasticity to easily gather and fix the output power cord 4 without damaging the output power cord 4.

[0027] like Figures 1-2 As shown, the Velcro assembly 7 consists of a hook-and-loop fastener (hook side) and a loop fastener (loop side). The loop fastener is attached to the upper end of the elastic band 6, and the hook-and-loop fastener is attached to the top left side of the power adapter body 1. They are respectively installed on the upper end of the elastic band 6 and the top left side of the power adapter body 1. Through the adhesion of the hook-and-loop fastener and the loop fastener, the elastic band 6 can be firmly fixed, thereby neatly gathering the output power cord 4 on the left side of the power adapter body 1. When the output power cord 4 needs to be used, the user only needs to gently separate the hook-and-loop fastener and the loop fastener to loosen the elastic band 6 and conveniently and quickly release the output power cord 4.

[0028] The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Therefore, all equivalent changes made based on the content described in the claims of the present utility model should be included within the scope of the claims of the present utility model.

Claims

1. A portable power adapter, comprising a power adapter body (1), an input power cord (2), a power plug (3), an output power cord (4), and an output interface (5), wherein the power adapter body (1) is connected to the left end of the output power cord (4), the output interface (5) is connected to the tail end of the output power cord (4), and the power adapter body (1) is connected to the right end of the input power cord (2), the power plug (3) is connected to the tail end of the input power cord (2), characterized in that: It also includes a storage housing (8), a winding reel (9), a fixing rod (10), a spring (11), and a snap-fit ​​assembly. The storage housing (8) is connected to the right side wall of the power adapter body (1). The fixing rod (10) is connected to the right side wall of the power adapter body (1) inside the storage housing (8). The winding reel (9) is rotatably connected to the fixing rod (10). The spring (11) is connected between the inner ring of the winding reel (9) and the fixing rod (10). The input power cord (2) passes into the storage housing (8), and the excess part is wound on the winding reel (9). Its tail end passes out from the front end of the storage housing (8). The power plug (3) is located in front of the storage housing (8). The storage housing (8) is provided with a snap-fit ​​assembly.

2. A portable power adapter as described in claim 1, characterized in that: The surface of the winding reel (9) is coated with a wear-resistant coating.

3. A portable power adapter as described in claim 2, characterized in that: The snap-fit ​​assembly includes a ratchet ring (12), a movable disc (13), a compression spring (14), a pull rod (15), a pawl (16), and a torsion spring (17). The pull rod (15) is slidably connected to the right side of the housing (8). The movable disc (13) is connected to the left end of the pull rod (15). The movable disc (13) is fitted onto the right end of the fixed rod (10) and is slidably connected to the fixed rod (10). The compression spring (14) is connected between the right side wall of the movable disc (13) and the inner wall of the housing (8). The compression spring (14) is fitted onto the right end of the fixed rod (10). The pawl (16) is rotatably connected to the eccentric part on the left side of the movable disc (13). The torsion spring (17) is connected between the pawl (16) and the movable disc (13). The ratchet ring (12) is connected to the right side wall of the winding reel (9). The pawl (16) snaps into the ratchet ring (12).

4. A portable power adapter as described in claim 3, characterized in that: It also includes elastic bands (6) and Velcro ties (7). Two parallel elastic bands (6) are connected to the left side wall of the power adapter body (1). Velcro ties (7) are provided between the upper end of the elastic bands (6) and the top left side of the power adapter body (1). The output power cord (4) is gathered on the left side of the power adapter body (1) through the two elastic bands (6).

5. A portable power adapter as described in claim 4, characterized in that: The Velcro assembly (7) consists of a Velcro tab and a Velcro tab. The Velcro tab is connected to the upper end of the elastic band (6), and the Velcro tab is connected to the top left side of the power adapter body (1). They are respectively installed on the upper end of the elastic band (6) and the top left side of the power adapter body (1).

6. A portable power adapter as described in claim 5, characterized in that: The power adapter body (1) has anti-slip parts on the front and rear side walls, which are toothed structures.

Images