A retractable power cord

Abstract

The utility model discloses a telescopic power connection line, including box body, box cover and power cord, the inside surface of box cover is protruding and forms the connecting portion, the outside of pivot is equipped with the winding disc, and the one end of pivot is away from box cover and is protruding and forms the positioning portion, and the wiring hole that penetrates the positioning portion, pivot and box cover are vertically equipped on the positioning portion, and the surface of winding disc is equipped with the wiring channel that communicates with wiring hole, and the outer ring surface of box body is equipped with the wiring groove, and one end of power cord passes through the positioning channel and wiring hole and extends to the outside, and the other end of power cord is coiled and is arranged on the winding disc, and passes through the wiring groove and is arranged. The utility model discloses simple structure, and power connection line passes through built -in winding disc and positioning mechanism, realizes the convenient telescopic of power cord, length fixed and orderly storage. Its prominent advantages are that the replaceable power cord design is adopted, and the user can replace the power cord of different specifications at any time according to the need, and the problem of the overall scrapping of the traditional power cord after winding and damage is effectively solved.

Description

Technical Field

[0001] This utility model relates to the field of power cord technology, specifically to a retractable power cord. Background Technology

[0002] Power cords are wires that transmit current. The current is usually transmitted point-to-point. Power cords can be divided into AC power cords and DC power cords according to their uses. Most traditional power cords do not have retractable storage functions, which can easily lead to them getting tangled and messy when stored together. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a retractable power cord that can be rolled up inside the box and the lid, so as to solve the problems mentioned in the background art.

[0004] This utility model is achieved through the following technical solution: a telescopic power connector includes a housing, a cover, and a power cord. A connecting part protrudes from the inner side of the cover, which is inserted into the opening of the housing and threadedly connected to the housing. A first bearing is embedded in the center of the connecting part, and a rotating shaft is installed in the inner ring of the first bearing. A take-up reel is installed on the outside of the rotating shaft. A positioning part protrudes from the end of the rotating shaft away from the cover. A wiring hole is vertically provided on the positioning part, the rotating shaft, and the cover. A wiring channel communicating with the wiring hole is provided on the surface of the take-up reel. A wiring groove is provided on the outer ring surface of the housing. One end of the power cord extends to the outside through the positioning channel and the wiring hole. The other end of the power cord is coiled on the take-up reel and passes through the wiring groove. A positioning mechanism connected to the rotating shaft is installed on the end of the housing away from the opening.

[0005] As a preferred technical solution, the positioning mechanism includes a shaft, a second bearing, a handwheel, multiple balls, and a compression spring. A mounting hole is provided at the center of the end of the housing furthest from the opening. The second bearing is installed in the mounting hole, and the shaft is installed in the inner ring of the second bearing. One end of the shaft extends to the outside and is fixedly connected to the handwheel, while the other end has a positioning groove. The positioning part is inserted into the positioning groove. Multiple grooves are provided in a ring-shaped structure on the inner side of the handwheel. A slot is provided on the outer surface of the housing corresponding to each groove. The balls are all positioned in the openings of the grooves, and the compression springs are all positioned inside the grooves. One end of each compression spring is installed on the inner wall of the groove, and the other end is installed on the outer wall of each ball. A portion of each ball extends to the outside and is inserted into the slot, engaging and positioning with the slot.

[0006] As a preferred technical solution, an annular groove is provided on the outer ring surface of the connector, a slider is slidably installed in the annular groove, an insert plate is installed on the outside of the slider, the insert plate is inserted into the wiring groove, and the cross-section of the slider and the annular groove is arranged in a trapezoidal structure.

[0007] As a preferred technical solution, multiple bases are installed on the outer surface of the box lid.

[0008] As a preferred technical solution, the positioning groove and the positioning part are arranged in a polygonal structure.

[0009] As a preferred technical solution, the box body and lid are made of insulating plastic material.

[0010] The beneficial effects of this utility model are as follows: This utility model has a simple structure. One end of the power cord can extend to the outside through the wiring channel and wiring hole. The other end of the power cord can be smoothly wound on the take-up reel through the wiring channel. After the take-up reel is inserted into the inside of the box, the other end of the power cord can extend to the outside through the wiring groove and the positioning part is inserted into the positioning groove, so that the rotating shaft is connected to the positioning mechanism. The positioning mechanism positions the length of the power cord pulled out, which increases adaptability. After the box cover is removed from the box, the power cord can be quickly disassembled and assembled, so that the power cord and the box are not fixed together and can be replaced independently. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0013] Figure 2 This is a schematic diagram of the structure of this utility model after removing the box body;

[0014] Figure 3 This is a schematic diagram of the structure of the box body of this utility model;

[0015] Figure 4 This is a schematic diagram of the installation structure of the power cord of this utility model.

[0016] The components are as follows: 1. Box body; 2. Box cover; 3. Wiring hole; 4. Wiring groove; 5. Insert plate; 6. Power cord; 7. Base; 8. Connecting part; 9. Rewind reel; 10. Shaft; 11. Positioning part; 12. Handwheel; 13. Wiring channel; 14. Annular groove; 15. Second bearing; 16. Shaft; 17. Positioning groove; 18. Ball bearing. Detailed Implementation

[0017] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0018] All features disclosed in this specification, or steps in all methods or processes disclosed herein, may be combined in any way, except for mutually exclusive features and / or steps.

[0019] Any feature disclosed in this specification (including any appended claims, abstract, and drawings) may be replaced by other equivalent or similar features for a similar purpose, unless specifically stated otherwise. That is, unless specifically stated otherwise, each feature is merely one example of a series of equivalent or similar features.

[0020] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, this utility model discloses a telescopic power cord, including a housing 1, a cover 2, and a power cord 6. A connecting part 8 protrudes from the inner side of the cover 2, which is inserted into the opening of the housing 1 and threadedly connected to the housing 1. A first bearing is embedded in the center of the connecting part 8, and a rotating shaft 10 is installed in the inner ring of the first bearing. A winding reel 9 is installed on the outside of the rotating shaft 10. A positioning part 11 protrudes from the end of the rotating shaft 10 away from the cover 2. A wiring hole 3 is vertically provided on the positioning part 11, penetrating the positioning part 11, the rotating shaft 10, and the cover 2. A wiring channel 13 communicating with the wiring hole 3 is provided on the surface of the winding reel 9. A wiring groove 4 is provided on the outer ring surface of the housing 1. One end of the power cord 6 extends to the outside through the positioning channel and the wiring hole 3, and the other end of the power cord 6 is coiled on the winding reel 9 and passes through the wiring groove 4. A positioning mechanism connected to the rotating shaft 10 is installed on the end of the housing 1 away from the opening.

[0021] In this embodiment, the positioning mechanism includes a shaft 16, a second bearing 15, a handwheel 12, multiple balls 18, and a compression spring. A mounting hole is provided at the center of the end of the housing 1 furthest from the opening. The second bearing 15 is installed in the mounting hole, and the shaft 16 is installed in the inner ring of the second bearing 15. One end of the shaft 16 extends to the outside and is fixedly connected to the handwheel 12. The other end is provided with a positioning groove 17, into which the positioning part 11 is inserted. Multiple grooves are provided in a ring structure on the inner side of the handwheel 12. A slot is provided on the outer surface of the housing 1 opposite each groove. The balls 18 are all disposed in the openings of the grooves, and the compression springs are all disposed inside the grooves. One end of each compression spring is installed on the inner wall of the groove, and the other end is installed on the outer wall of each ball 18. A portion of each ball 18 extends to the outside and is inserted into the slot, engaging and positioning with the slot.

[0022] In this embodiment, an annular groove 14 is provided on the outer ring surface of the connecting part 8. A slider is slidably installed in the annular groove 14. An insert plate 5 is installed on the outside of the slider. The insert plate 5 is inserted into the wiring groove 4. The slider and the annular groove 14 are arranged in a trapezoidal structure so that the insert plate is slidably connected to the connecting part. When the connecting part rotates, the slider can rotate in the annular groove, avoiding the rotation of the insert plate.

[0023] In this embodiment, multiple bases 7 are installed on the outer side of the cover 2. The bases can suspend the device, allowing one end of the power cord to pass smoothly through the channel between the bases.

[0024] In this embodiment, the positioning groove 17 and the positioning part 11 are arranged in a polygonal structure, which enables the shaft and the rotating shaft to be connected, thus avoiding the shaft or the rotating shaft from spinning freely.

[0025] In this embodiment, the box body 1 and the box cover 2 are made of insulating plastic material. The use of insulating plastic material for the box body 1 and the box cover 2 ensures safe use and prevents the risk of leakage.

[0026] Power cord storage and extension:

[0027] One end of the power cord 6 extends to the outside through the wiring hole 3 and the wiring channel 13 in sequence, and is used to connect to the power supply; the other end is coiled on the take-up reel 9 and passes out from the wiring groove 4 on the side of the box 1, and is used to connect to the electrical equipment.

[0028] When the power cord needs to be extended, simply pull the end of the power cord that passes through the wiring slot 4 outward. Of course, to make pulling easier, you can rotate the handwheel. By applying rotational force to the handwheel, the ball bearings pass through the slots, and the reel 9 and the shaft 10 rotate accordingly to pull out the power cord.

[0029] When the power cord needs to be retracted, the handwheel 12 is rotated in the opposite direction, which drives the shaft 16 and the rotating shaft 10 to rotate synchronously, thereby driving the reel 9 to rotate and rewind the power cord.

[0030] Length positioning and locking:

[0031] After the power cord is pulled out to the desired length, the positioning mechanism automatically operates to maintain that length.

[0032] Under the action of the compression spring, the ball bearing 18 is partially embedded in the groove on the outer surface of the housing 1, forming resistance and preventing the handwheel 12 and the shaft 10 from rotating unexpectedly, thereby fixing the length of the power cord pull-out.

[0033] When it is necessary to adjust or retract the power cord, a certain torque must be applied to rotate the handwheel 12 to overcome the resistance between the ball bearing 18 and the slot before the reel can be rotated.

[0034] Power cord replacement and maintenance:

[0035] A key feature of this design is that the power cord 6 can be replaced independently. When the power cord is damaged or needs to be replaced with a different type, simply unscrew the cover 2 to remove the cover and reel from the box body 1, then pull out the old power cord from the wiring hole 3, wiring channel 13 and wiring groove 4, and then thread in the new power cord.

[0036] During installation, place the reel with the power cord threaded back into the housing 1, so that the positioning part 11 at the front end of the shaft 10 is inserted into the positioning groove 17 of the shaft 16, and then screw the cover 2 onto the housing 1 to complete the assembly.

[0037] This modular design means that the power cord 6 is not fixedly connected to the box 1, allowing users to replace the power cord with different specifications at any time according to their needs, which greatly enhances the product's applicability and service life.

[0038] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions conceived without inventive effort should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope defined in the claims.

Claims

1. A retractable power cable, characterized in that: The device includes a box body (1), a box cover (2), and a power cord (6). A connecting part (8) protrudes from the inner side of the box cover (2). The connecting part (8) is inserted into the opening of the box body (1) and is threadedly connected to the box body (1). A first bearing is embedded in the center of the connecting part (8). A rotating shaft (10) is installed in the inner ring of the first bearing. A winding reel (9) is installed on the outside of the rotating shaft (10). A positioning part (11) protrudes from the end of the rotating shaft (10) away from the box cover (2). A vertically arranged... The housing has a wiring hole (3) that passes through the positioning part (11), the rotating shaft (10) and the cover (2). The surface of the take-up reel (9) is provided with a wiring channel (13) that communicates with the wiring hole (3). The outer ring surface of the housing (1) is provided with a wiring groove (4). One end of the power cord (6) passes through the positioning channel and the wiring hole (3) and extends to the outside. The other end of the power cord (6) is coiled on the take-up reel (9) and passes through the wiring groove (4). A positioning mechanism connected to the rotating shaft (10) is installed on the end of the housing (1) away from the opening.

2. The retractable power cable according to claim 1, characterized in that: The positioning mechanism includes a shaft (16), a second bearing (15), a handwheel (12), multiple balls (18), and a compression spring. The box body (1) has a mounting hole at the center of the end away from the opening. The second bearing (15) is installed in the mounting hole. The shaft (16) is installed in the inner ring of the second bearing (15). One end of the shaft (16) extends to the outside and is fixedly connected to the handwheel (12). The other end has a positioning groove (17). The positioning part (11) is inserted into the positioning groove (17). The inner side of the handwheel (12) has multiple grooves in a ring structure. The outer surface of the box body (1) has a slot corresponding to the groove. The balls (18) are all set in the opening of the groove. The compression springs are all set inside the groove. One end of the compression spring is installed on the inner wall of the groove, and the other end is installed on the outer wall of the ball (18). A part of the ball (18) extends to the outside and is inserted into the slot, and is engaged with the slot for positioning.

3. The retractable power cable according to claim 1, characterized in that: The outer ring surface of the connecting part (8) is provided with an annular groove (14), a slider is slidably installed in the annular groove (14), an insert plate (5) is installed on the outside of the slider, the insert plate (5) is inserted into the wiring groove (4), and the cross-section of the slider and the annular groove (14) is arranged in a trapezoidal structure.

4. The retractable power cable according to claim 1, characterized in that: Multiple bases (7) are installed on the outer side of the lid (2).

5. The retractable power cable according to claim 2, characterized in that: The positioning groove (17) and the positioning part (11) are arranged in a polygonal structure.

6. The retractable power cable according to claim 1, characterized in that: The box body (1) and the lid (2) are made of insulating plastic material.

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