CN218040094U - A power extension cord structure with storage function - Google Patents

Abstract

The utility model discloses a power supply extension cord structure with a storage function, which comprises a housing, a coil spring is arranged inside the housing, the inner end of the coil spring is fixedly connected with the housing, and the outer periphery of the coil spring is sheathed There is a wire wheel, the outer end of the coil spring is fixedly connected to the wire wheel, the wire wheel is connected to the casing in rotation, a power cord is wound around the wall of the wire wheel, a socket is provided on one side of the casing, and the One end of the power cord passes through the housing and is fixedly connected to the socket, the other side of the housing is provided with an outlet hole, the other end of the power cord extends out of the housing through the outlet hole, and the end of the power cord far away from the socket is provided with a plug , the side wall of the housing is provided with a fixing device at a position corresponding to the outlet hole, and the fixing device is used to fix the power cord. The utility model provides a power supply extension cord structure with a storage function. When in use, a power cord of a suitable length can be pulled out according to needs, and the rest of the cord can be stored. When not in use, the entire power cord can also be accommodated.

Description

A power extension cord structure with storage function

technical field

The utility model relates to the technical field of power cords, in particular to a power extension cord structure with a storage function.

Background technique

Nowadays, people's dependence on electrical appliances is increasing, and no matter what kind of electrical equipment is used, it must be connected to the socket through the plug power cord drawn from the electrical equipment. Most of the common sockets are fixed sockets installed in the wall, but due to the limitation of the placement position of electrical equipment and the length of the power cord, the plug power cord drawn from the electrical power supply is often not long enough to connect with the fixed socket. Therefore, people It is often necessary to use an extension cord with a power supply.

The existing power extension cord generally includes a long power cord, with a power plug at one end and a power jack at the other end. When in use, insert the power plug into a fixed socket and drag the power jack to the side of the device , so that the plug of the electrical equipment can be inserted into the power jack to realize the electrical connection. Usually, the length of the power extension cord is relatively long. After the connection is completed, it is difficult to arrange the remaining wires, which may easily cause people to trip over the wires, cause serious consequences such as personal injury or short circuit and fire. At the same time, the power extension cord is not in use , it needs to be wound in a circle, and then tied up with a thread, which is very inconvenient to store.

Utility model content

The purpose of this utility model is to provide a power extension cord structure with a storage function. When in use, a power cord of a suitable length can be pulled out according to needs, and the rest of the cord can be stored. When not in use, the entire power cord can also be accommodated.

The technical solution adopted by the power supply extension cord structure with storage function disclosed by the utility model is:

A power supply extension cord structure with a storage function, comprising a housing, a coil spring is arranged inside the housing, the inner end of the coil spring is fixedly connected with the housing, and a wire pulley is sleeved on the periphery of the coil spring. The outer end of the coil spring is fixedly connected to the wire wheel, and the wire wheel is connected to the housing in rotation. A power cord is wound around the wall of the wire wheel. A socket is provided on one side of the housing, and one end of the power cord passes through the The casing is fixedly connected with the socket, and an outlet hole is opened on the other side of the casing, and the other end of the power cord extends out of the casing through the outlet hole, and a plug is provided at the end of the power cord far away from the socket, and the casing A fixing device is provided at a position corresponding to the outlet hole on the side wall, and the fixing device is used to fix the power cord.

As a preferred solution, the fixing device includes a fixing tube, a plurality of clips and a fixing sleeve, the fixing tube is fixed on the side wall of the housing, and the fixing tube is arranged coaxially with the outlet hole, and a plurality of the clips The clips are all arranged on the end of the fixed tube away from the housing, and a plurality of clips are evenly arranged around the axis of the fixed tube. The fixed sleeve is sleeved on the outer wall of the fixed tube. The fixed section is threadedly connected with the fixed pipe, and the diameter of the extruded section gradually decreases toward the direction away from the fixed section.

As a preferred solution, both ends of the wire wheel are provided with a first annular protrusion, and the inner wall of the housing is provided with a second annular protrusion at a position corresponding to the annular protrusion, and the first annular protrusion is sleeved on the second annular protrusion. The outer walls of two ring-shaped protrusions, the first ring-shaped protrusion is rotatably connected with the second ring-shaped protrusion.

As a preferred solution, a fixed shaft is provided on the inner wall of the housing corresponding to the inner end of the coil spring, and the inner end of the coil spring is fixedly connected to the fixed shaft.

As a preferred solution, a placement frame is provided on the side wall of the housing corresponding to the position of the outlet hole, and the placement frame is used for placing the plug.

As a preferred solution, the socket is provided with a plurality of jacks.

As a preferred solution, a switch is provided at a position corresponding to the jack of the socket.

The beneficial effect of the structure of the power extension cord with storage function disclosed by the utility model is that when the power extension cord is in use, the casing is placed next to the device, so that the connector of the device can be inserted into the socket, and then the fixing device is released to pull the power supply Pull out the power cord wound on the wire wheel, the power cord drives the wire wheel to rotate, and the wire wheel drives the internal coil spring to rotate, thereby squeezing the coil spring, and when the power cord is pulled out to a suitable length, then The power cord is fixed on the side wall of the casing by the fixing device to prevent the power cord from being pulled back under the restoring force of the coil spring itself. At the same time, the remaining wire is also stored in the casing, which is convenient for storage and improves safety. After use, Loosen the fixing device, and the wire wheel rotates under the action of the recovery force of the coil spring itself, so that the power cord is recovered and wound around the peripheral wall of the wire wheel, which is convenient for storage and high in efficiency.

Description of drawings

Fig. 1 is a structural schematic diagram of the structure of the power extension cord with storage function of the present invention.

Fig. 2 is a partial structural diagram of the structure of the power extension cord with storage function of the present invention.

Fig. 3 is a schematic diagram of the structure of the inner chamber of the housing of the power extension cord with the storage function of the utility model.

10. Shell; 11. Fixed shaft; 12. Second annular protrusion; 13. Placement frame; 20. Coil spring; 30. Wire wheel; 31. First annular protrusion; 40. Power cord; 50. Socket; 51, jack; 52, switch; 60, plug; 71, fixed tube; 72, clip; 73, fixed sleeve; 731, fixed section; 732, extrusion section.

detailed description

Below in conjunction with specific embodiment and accompanying drawing, the utility model is further elaborated and illustrated:

Please refer to FIG. 1 and FIG. 2 , a power extension cord structure with a storage function, including a housing 10, a coil spring 20 is arranged inside the housing 10, the inner end of the coil spring 20 is fixedly connected with the housing 10, and the coil spring 20 The periphery of the wire wheel 30 is set with a wire wheel 30, the outer end of the coil spring 20 is fixedly connected with the wire wheel 30, the wire wheel 30 is connected with the housing 10 in rotation, the peripheral wall of the wire wheel 30 is provided with a power cord 40, and the side of the housing 10 is provided with Socket 50, one end of the power cord 40 is fixedly connected to the socket 50 through the casing 10, an outlet hole is opened on the other side of the casing 10, the other end of the power cord 40 extends outside the casing 10 through the outlet hole, and the power cord 40 is far away from One end of the socket 50 is provided with a plug 60 , and the side wall of the casing 10 is provided with a fixing device at a position corresponding to the outlet hole, and the fixing device is used for fixing the power cord 40 .

When the power extension cord is in use, the casing 10 is placed next to the device, so that the connector of the device can be inserted into the socket 50, and then the fixing device is released, and the end of the power cord 40 with the plug 60 is pulled, and is wound on the wire wheel 30 The power cord 40, the power cord 40 drives the wire wheel 30 to rotate, and the wire wheel 30 drives the inner coil spring 20 to rotate, thereby squeezing the coil spring 20, and when the power cord 40 is pulled out to a suitable length, the power cord is then pulled out through the fixing device. 40 is fixed on the side wall of the housing 10 to prevent the power cord 40 from being pulled back under the action of the recovery force of the coil spring 20 itself. At the same time, the remaining wires are also stored in the housing 10, which is convenient for storage and improves safety. After use, Loosen the fixing device, and the wire pulley 30 rotates under the action of the restoring force of the coil spring 20 itself, so that the power cord 40 is recovered and wound around the peripheral wall of the wire pulley 30, which is convenient for storage and high in efficiency.

Specifically, please refer to FIG. 2. The fixing device includes a fixing tube 71, a plurality of clips 72 and a fixing sleeve 73. The fixing tube 71 is fixed on the side wall of the housing 10, and the fixing tube 71 is coaxially arranged with the outlet hole. Each clip 72 is arranged on the end of the fixed tube 71 away from the housing 10, and a plurality of clips 72 are evenly arranged around the axis of the fixed tube 71. The fixed sleeve 73 is sleeved on the outer wall of the fixed tube 71. The fixed sleeve 73 includes connected The fixing section 731 and the extruding section 732 , the fixing section 731 is threadedly connected with the fixing pipe 71 , and the diameter of the extruding section 732 gradually shrinks away from the fixing section 731 .

When the power cord 40 is pulled out to a suitable length, the fixed sleeve 73 is sleeved on the fixed tube 71, and the fixed section 731 of the fixed sleeve 73 is screwed with the fixed tube 71. Since the diameter of the extruded section 732 is away from the fixed section 731 The direction of the direction gradually decreases, so the extruding section 732 will press the clip 72 inward, so that the clip 72 can clamp the power cord 40, and then fix the power cord 40 to prevent the power cord 40 from being retracted.

Specifically, referring to Fig. 2 and Fig. 3, the two ends of wire wheel 30 are provided with first annular protrusion 31, the position of corresponding annular protrusion on the inner wall of housing 10 is provided with second annular protrusion 12, the first annular protrusion The protrusion 31 is sheathed on the outer wall of the second annular protrusion 12 , and the first annular protrusion 31 is rotatably connected with the second annular protrusion 12 . The wire wheel 30 is pulled by the power cord 40, and the first annular protrusion 31 rotates around the second annular protrusion 12. Similarly, the wire wheel 30 is under the action of the restoring force of the coil spring 20 itself, and the first annular protrusion 31 rotates around the second annular protrusion 12. It also rotates around the second annular protrusion 12 .

Specifically, referring to FIG. 3 , the inner wall of the housing 10 is provided with a fixed shaft 11 at a position corresponding to the inner end of the coil spring 20, and the inner end of the coil spring 20 is fixedly connected to the fixed shaft 11. In this embodiment, the inner end of the coil spring 20 is semicircular, and a groove is provided in the middle of the fixed shaft 11, and the inner end of the coil spring 20 passes through the groove and is wound on the peripheral wall of the fixed shaft 11, thereby realizing the coil spring 20 Fixed connection with fixed shaft 11.

Specifically, referring to FIG. 3 , a placement frame 13 is provided on the side wall of the casing 10 corresponding to the outlet hole, and the placement frame 13 is used for placing the plug 60 . The power cord 40 is wound up on the reel 30 after use, and the plug 60 exposed outside the housing 10 is placed in the placing frame 13, so that the whole storage is more complete.

Specifically, please refer to FIG. 1 , the socket 50 is provided with a plurality of sockets 51 . More specifically, the socket 50 is provided with a switch 52 at a position corresponding to the jack 51 . A plurality of sockets 51 can supply power to multiple devices at the same time, and each socket 51 is correspondingly provided with a switch 52, and each socket 51 can be controlled by a separate switch 52 during use, which is safe and convenient to use.

The utility model provides a structure of a power extension cord with a storage function. When the power extension cord is in use, the housing is placed next to the device, so that the connector of the device can be inserted into the socket, and then the fixing device is loosened, and the power cord is pulled. At one end of the plug, pull out the power cord wound on the wire wheel. The power cord drives the wire wheel to rotate, and the wire wheel drives the inner coil spring to rotate, thereby squeezing the coil spring. When the power cord is pulled out to a suitable length, it passes through the fixing device. Fix the power cord on the side wall of the housing to prevent the power cord from being pulled back under the action of the coil spring's own restoring force. At the same time, the remaining wires are also stored in the housing, which is convenient for storage and improves safety. After use, loosen the fixation The device, the wire wheel rotates under the action of the recovery force of the coil spring itself, so that the power cord is recovered and wound around the peripheral wall of the wire wheel, which is convenient for storage and high in efficiency.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting the protection scope of the present utility model. Personnel should understand that the technical solution of the utility model can be modified or equivalently replaced without departing from the essence and scope of the technical solution of the utility model.

Claims (7)

1. The utility model provides a power extension line structure with accomodate function, a serial communication port, which comprises a housin, be equipped with the coil spring in the casing, the inner and casing fixed connection of coil spring, the peripheral cover of coil spring is equipped with the line wheel, the outer end and the line wheel fixed connection of coil spring, the line wheel rotates with the casing to be connected, the perisporium of line wheel is around being equipped with the power cord, casing one side is equipped with the socket, casing and socket fixed connection are passed to power cord one end, the wire hole has been seted up to the casing opposite side, the power cord other end passes the wire hole and extends outside the casing, just the power cord is kept away from socket one end and is equipped with the plug, the position that the lateral wall of casing corresponds the wire hole is equipped with fixing device, fixing device is used for fixed power cord.

2. The power extension cord structure with a storage function according to claim 1, wherein the fixing device includes a fixing tube, a plurality of clamping pieces and a fixing sleeve, the fixing tube is fixedly disposed on a side wall of the housing, the fixing tube is coaxially disposed with the outlet hole, the clamping pieces are disposed on one end of the fixing tube away from the housing, the clamping pieces are uniformly disposed around an axis of the fixing tube, the fixing sleeve is disposed on an outer wall of the fixing tube, the fixing sleeve includes a fixing section and an extruding section connected to each other, the fixing section is in threaded connection with the fixing tube, and a diameter of the extruding section is gradually reduced toward a direction away from the fixing section.

3. The power extension cord structure with a storage function according to claim 1, wherein first annular protrusions are disposed at two ends of the cord wheel, second annular protrusions are disposed on the inner wall of the housing at positions corresponding to the annular protrusions, the first annular protrusions are sleeved on the outer walls of the second annular protrusions, and the first annular protrusions are rotatably connected with the second annular protrusions.

4. The power extension cord structure with a storage function as claimed in claim 1, wherein a fixing shaft is provided at a position of the inner wall of the housing corresponding to the inner end of the coil spring, and the inner end of the coil spring is fixedly connected with the fixing shaft.

5. The power extension cord structure with a storage function as claimed in claim 1, wherein a placement frame is disposed on a side wall of the housing corresponding to the outlet hole, and the placement frame is used for placing a plug.

6. The power extension cord structure with a storage function as claimed in claim 1, wherein the socket has a plurality of insertion holes.

7. The power extension cord structure with storage function of claim 6, wherein a switch is disposed at a position of the socket corresponding to the jack.

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