Extension socket

By introducing a retractable electrical connector and guide block structure into the power strip, the problem of fixed electrical connector length is solved, enabling adjustable unfolding and storage of the electrical connector to meet the needs of different scenarios, reduce the size of the power strip, and improve safety and aesthetics.

CN223815896UActive Publication Date: 2026-01-20黄裕君
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Patent Information

Application Number
CN202420178805.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-24
Publication Date
2026-01-20
Estimated Expiration
2034-01-24

AI Technical Summary

Technical Problem

The fixed length of the electrical connection cords in existing power strips cannot meet the needs of different scenarios, resulting in an unsightly appearance and risks of electric shock and tripping when extended over long distances.

Method used

A power strip has been designed, comprising a housing, an electrical connector, a cable box, and a cable reel. The cable reel, connected via a rotating shaft, can wind up the electrical connector. Combined with an elastic element and a guide block structure, the electrical connector can be adjusted to unfold and retract, meeting the needs of different scenarios.

Benefits of technology

The power strip features adjustable cable length to meet the needs of different usage scenarios, while reducing its size when not in use to avoid the risk of cables scattering and tripping.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an extension socket, which comprises a shell, an electric connection jack is arranged on the shell, and the side wall of the shell is encircled to form a first accommodating cavity; the electric connecting wire is electrically connected with the electric connecting socket; the wire box is arranged in the first accommodating cavity; the side wall of the wire box is encircled to form a second accommodating cavity; the rotating shaft is connected to the inner wall of the wire box; the take-up reel is arranged in the second containing cavity, the take-up reel is rotatably connected with the rotating shaft, the take-up reel is used for winding the electric connecting wire, the electric connecting wire is wound through the take-up reel, when a user needs to use the extension socket, the take-up reel can unfold the electric connecting wire, the unfold length of the electric connecting wire is adjusted according to actual requirements, and the user can conveniently use the extension socket. The use requirements of the user in different scenes are met; when a user needs to carry, store and transport the extension socket, the electric connecting wire can be wound to the take-up reel in the wire box, so that the size of the extension socket is reduced, and the electric connecting wire is more regular.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of extension socket, especially a kind of extension socket. BACKGROUND

[0002] The length of the existing extension socket is fixed, which cannot meet the use requirements of users in different scenarios.For example, when the user needs to extend the extension socket for a long distance, the extension socket cannot be extended to the position where it is needed to use due to the short electric connection line of the extension socket;For another example, most users will consider the need to extend the extension socket for a long distance and choose to buy an extension socket with a longer electric connection line, but when the user does not need to extend the extension socket for a long distance, the too long electric connection line will scatter on the floor, which is not only not beautiful but also easy to cause electric shock and trip the user. SUMMARY

[0003] In order to overcome the shortcomings of the prior art, the utility model provides an extension socket, which comprises:

[0004] A shell is provided with an electric connection socket, and the side wall of the shell forms a first accommodating cavity;

[0005] An electric connection line is electrically connected to the electric connection socket;

[0006] A wire box is arranged in the first accommodating cavity, and the side wall of the wire box forms a second accommodating cavity;

[0007] A rotating shaft is connected to the inner wall of the wire box;

[0008] A take-up reel is arranged in the second accommodating cavity, and the take-up reel is rotatably connected to the rotating shaft, and the take-up reel is used to wind the electric connection line.

[0009] As an improvement of the utility model, the wire box is provided with a first wire passing hole, the shell is provided with a second wire passing hole, the electric connection line is wound on the take-up reel, one end of the electric connection line is electrically connected to the electric connection socket, and the other end of the electric connection line is exposed to the wire box and the shell through the first wire passing hole and the second wire passing hole in sequence.

[0010] As an improvement of the utility model, it further comprises an elastic member, one end of the elastic member is connected to the rotating shaft, and the other end of the elastic member is connected to the take-up reel; when the take-up reel rotates to the retracted position, the elastic member is in the retracted state, and the electric connection line is wound in the take-up reel; when the take-up reel rotates to the unfolded position, the elastic member is in the stretched state, and the electric connection line is unfolded on the take-up reel.

[0011] As the improvement of the utility model, still include the toggle piece, the toggle piece with the take-up reel rotatable connection, and the toggle piece on be provided with the sliding block, the inner wall of the wire box protrude with first guide block, second guide block, third guide block, fourth guide block and fifth guide block, the outside wall of first guide block with the inside wall of second guide block, the inside wall of third guide block and the inside wall of fourth guide block between form have the contraction channel, the inside wall of fifth guide block with the outside wall of second guide block, the outside wall of third guide block and the outside wall of fourth guide block between form have the expansion channel, when take-up reel around rotation axis rotation, the sliding block of toggle piece can in the contraction channel or expansion channel move, third guide block between second guide block with third guide block, third guide block has first end and second end, first end with second guide block between form have first opening, the outside wall of first guide block protrude with first guide portion towards second guide block, when take-up reel in the contraction position to the expansion position rotation, first guide portion is used to push sliding block to first position, to make sliding block can with take-up reel rotation to through first opening into to expansion channel, make sliding block can in expansion channel slide, second end with fourth guide block between form have second opening, second end is provided with first clamping groove, the inside wall of fifth guide block protrude with second guide portion towards the outside wall of fourth guide block, when take-up reel in the contraction position to the expansion position rotation, second guide portion is used to push sliding block to second position, when second guide portion push sliding block to second position, and take-up reel in the expansion position to the contraction position rotation, sliding block can with take-up reel rotation to first clamping groove, for take-up reel clamping, the inner wall of first clamping groove is provided with third guide portion, when take-up reel in the contraction position to the expansion position rotation, sliding block can with take-up reel rotation to separate first clamping groove, and sliding block can along third guide portion through second opening into to contraction channel, when sliding block through second opening into to contraction channel, and take-up reel in the expansion position to the contraction position rotation, sliding block can in the contraction channel slide.

[0012] As the improvement of the utility model, the inner wall of first clamping groove is still provided with fourth guide portion, when second guide portion push sliding block to second position, and take-up reel in the expansion position to the contraction position rotation, sliding block can with take-up reel rotation, and along fourth guide portion rotation to first clamping groove, for take-up reel clamping.

[0013] As the improvement of the utility model, first clamping groove is V-shaped first clamping groove.

[0014] As the improvement of the utility model, the third guide block is a third guide block with a front end narrower than a rear end, the first end is arranged at the front end of the third guide block, and the second end is arranged at the rear end of the third guide block.

[0015] As the improvement of the utility model, the inner wall of the wire box is further provided with a sixth guide block, a contraction channel is formed between the outer side wall of the first guide block and the inner side wall of the second guide block, the inner side wall of the third guide block, the fourth guide block and the sixth guide block, and an expansion channel is formed between the inner side wall of the fifth guide block and the outer side wall of the second guide block, the outer side wall of the third guide block, the fourth guide block and the outer side wall of the sixth guide block, the slider of the poking piece can move in the contraction channel or the expansion channel when the take-up reel rotates around the rotation shaft, the third guide block is located between one end of the second guide block and one end of the third guide block, the sixth guide block is located between the other end of the second guide block and the other end of the third guide block, the third guide block has a third end and a fourth end, a third opening is formed between the third end and the fourth guide block, the outer side wall of the first guide block is provided with a fifth guide portion protruding towards the fourth guide block, the fifth guide portion is used to push the slider to a third position when the take-up reel rotates from the contraction position to the expansion position, so that the slider can rotate with the take-up reel to enter the expansion channel through the third opening, and the slider can slide in the expansion channel, a fourth opening is formed between the second end and the second guide block, the fourth end is provided with a second clamping groove, the inner side wall of the fifth guide block is provided with a sixth guide portion protruding towards the outer side wall of the second guide block, the sixth guide portion is used to push the slider to a fourth position when the take-up reel rotates from the contraction position to the expansion position, the slider can rotate with the take-up reel into the second clamping groove when the first guide portion pushes the slider to the fourth position and the take-up reel rotates from the expansion position to the contraction position, and the slider is used for clamping the take-up reel, the inner wall of the second clamping groove is provided with a seventh guide portion, the slider can rotate with the take-up reel to be separated from the second clamping groove when the take-up reel rotates from the contraction position to the expansion position, and the slider can enter the contraction channel through the fourth opening along the seventh guide portion, and the slider can slide in the contraction channel when the slider enters the contraction channel through the second opening and the take-up reel rotates from the expansion position to the contraction position.

[0016] As the improvement of the utility model, the inner wall of the second clamping groove is further provided with an eighth guide part, when the sixth guide part pushes the sliding block to the fourth position, and the take-up reel rotates from the unfolded position to the contracted position, the sliding block can rotate with the take-up reel and rotate into the second clamping groove along the eighth guide part, for clamping the take-up reel.

[0017] As the improvement of the utility model, the second clamping groove is a V-shaped second clamping groove.

[0018] As the improvement of the utility model, the sixth guide block is a sixth guide block with a front narrow end and a rear end, the third end is arranged at the front end of the sixth guide block, and the fourth end is arranged at the rear end of the sixth guide block.

[0019] As the improvement of the utility model, the shell comprises an upper shell, a lower shell and an intermediate shell, the upper side of the intermediate shell is detachably connected with the upper shell, the lower side of the intermediate shell is detachably connected with the lower shell, the intermediate shell divides the first containing cavity into a first containing space and a second containing space, the first containing space is formed between the upper side of the intermediate shell and the upper shell, the second containing space is formed between the lower side of the intermediate shell and the lower shell, the electric connection socket is arranged on the upper shell, and the wire box is arranged in the second containing space.

[0020] As the improvement of the utility model, further comprising a control mainboard, the control mainboard is electrically connected with the electric connection socket, and the control mainboard is located in the first containing space.

[0021] As the improvement of the utility model, further comprising an electrode sheet, a fifth opening is arranged on the wire box, the electrode sheet is connected with the wire box, one end of the electrode sheet is electrically connected with the electric connection wire, and the other end of the electrode sheet passes out of the wire box through the fifth opening and is electrically connected with the control mainboard and the electric connection socket.

[0022] As the improvement of the utility model, a sixth opening is arranged in the middle part of the intermediate shell, the sixth opening communicates the second containing space with the first containing space, so that the electric connection socket, the control mainboard and the electrode sheet are electrically connected through the sixth opening.

[0023] As the improvement of the utility model, a first mounting groove is arranged on the upper side of the intermediate shell, and the side wall of the first mounting groove is connected with the inner side wall of the upper shell; a second mounting groove is arranged on the lower side of the intermediate shell, and the side wall of the second mounting groove is connected with the outer side wall of the lower shell.

[0024] As the improvement of the utility model, the wire box comprises an upper box body and a lower box body, and the upper box body and the lower box body are detachably connected.

[0025] As the improvement of the utility model, the rotating shaft is connected to the lower box body.

[0026] As the improvement of the utility model, the upper side of the take-up reel is provided with a first baffle, the lower side of the take-up reel extends a plurality of mutually spaced apart stop blocks, a wire slot is formed between the first baffle and the stop blocks, and the electric connection wire is wound in the wire slot.

[0027] As the improvement of the utility model, a first clamping slit is arranged on the rotating shaft, one end of the elastic member is provided with a first bending part, the other end of the elastic member is provided with a second bending part, the first bending part is detachably inserted into the first clamping slit, a second clamping slit is arranged on the take-up reel, and the second bending part is detachably inserted into the second clamping slit.

[0028] As the improvement of the utility model, a sleeving opening is arranged on the take-up reel, and the sleeving opening is rotatably sleeved on the rotating shaft.

[0029] As the improvement of the utility model, the electric connection socket comprises a first socket and a second socket, the first socket is arranged on the upper surface of the upper shell, and the second socket is arranged on the side wall of the upper shell.

[0030] As the improvement of the utility model, the side wall of the upper shell is provided with a plurality of raised anti-skid lines; and the upper surface of the upper shell has a plurality of recessed decorative parts.

[0031] The utility model discloses a power strip, which comprises a shell, an electric connection socket arranged on the shell, a first accommodating cavity formed by the side wall of the shell, an electric connection wire, a wire box, a second accommodating cavity formed by the side wall of the wire box, a rotating shaft connected to the inner wall of the wire box, a take-up reel arranged in the second accommodating cavity and rotatably connected with the rotating shaft, and the take-up reel is used to wind the electric connection wire. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced, and the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the premise of not paying creative labor.

[0033] The present application will be further described below in combination with the drawings and embodiments.

[0034] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0035] Figure 2 It is an exploded view of the present application;

[0036] Figure 3 It is another exploded view of the present application;

[0037] Figure 4 It is a sectional view along the shell and the wire box;

[0038] Figure 5 It is a sectional view along the wire box when the slider is rotated to the first position and an expansion path schematic diagram of the slider sliding along the expansion channel;

[0039] Figure 6 Figure Figure 5 Enlarged view of A;

[0040] Figure 7 It is a sectional view along the wire box when the slider is rotated to the second position and a path schematic diagram of the slider sliding to the direction of the first clamping groove;

[0041] Figure 8 It is a sectional view along the wire box when the slider is slid into the first clamping groove;

[0042] Figure 9 It is a sectional view along the wire box when the slider is slid into the contraction channel along the fourth guide part and a contraction path schematic diagram of the slider sliding along the contraction channel;

[0043] Figure 10 It is a sectional view along the wire box when the slider is rotated to the third position and an expansion path schematic diagram of the slider sliding along the expansion channel;

[0044] Figure 11 It is a sectional view along the wire box when the slider is rotated to the fourth position and a path schematic diagram of the slider sliding to the direction of the second clamping groove;

[0045] Figure 12 It is a sectional view along the wire box when the slider is slid into the second clamping groove;

[0046] Figure 13 is a cross-sectional view along the line box when the slider is slid along the eighth guide portion into the contraction channel, and a schematic diagram of a contraction path of the slider along the contraction channel;

[0047] Figure 14 is a cross-sectional view along the elastic member;

[0048] Figure 15 is Figure 14 is an enlarged view of B of DETAILED DESCRIPTION

[0049] With reference to Figures 1 to 15 , a power strip comprises:

[0050] a housing 1, the housing 1 is provided with an electrical connection socket 11, and a side wall of the housing 1 surrounds to form a first accommodating cavity 12;

[0051] an electrical connection line 2, the electrical connection line 2 is electrically connected with the electrical connection socket 11;

[0052] a line box 3, the line box 3 is arranged in the first accommodating cavity 12; and a side wall of the line box 3 surrounds to form a second accommodating cavity 31.

[0053] a rotating shaft 4, the rotating shaft 4 is connected to an inner wall of the line box 3;

[0054] a take-up reel 5, the take-up reel 5 is arranged in the second accommodating cavity 31, and the take-up reel 5 is rotatably connected with the rotating shaft 4, and the take-up reel 5 is used to wind the electrical connection line 2.

[0055] Through the above structure, since it comprises: a housing 1, the housing 1 is provided with an electrical connection socket 11, and a side wall of the housing 1 surrounds to form a first accommodating cavity 12; an electrical connection line 2, the electrical connection line 2 is electrically connected with the electrical connection socket 11; a line box 3, the line box 3 is arranged in the first accommodating cavity 12; and a side wall of the line box 3 surrounds to form a second accommodating cavity 31; a rotating shaft 4, the rotating shaft 4 is connected to an inner wall of the line box 3; and a take-up reel 5, the take-up reel 5 is arranged in the second accommodating cavity 31, and the take-up reel 5 is rotatably connected with the rotating shaft 4, and the take-up reel 5 is used to wind the electrical connection line 2, the electrical connection line 2 is wound by the take-up reel 5, when a user needs to use the power strip, the take-up reel 5 can unwind the electrical connection line 2, and the length of the electrical connection line 2 unwound can be adjusted according to actual needs, so as to meet the use needs of the user in different scenes; when the user needs to carry, store and transport the power strip, the electrical connection line 2 can be wound to the take-up reel 5 in the line box 3, so as to reduce the volume of the power strip, and make the electrical connection line 2 more regular.

[0056] In the embodiment, the wire box 3 is provided with a first wire passing port 32, the shell 1 is provided with a second wire passing port 13, the electric connection wire 2 is wound and rolled on the wire reel 5, one end of the electric connection wire 2 is electrically connected with the electric connection port 11, and the other end of the electric connection wire 2 is exposed to the wire box 3 and the shell 1 through the first wire passing port 32 and the second wire passing port 13 in sequence. Further, the elastic member 6 is included, one end of the elastic member 6 is connected with the rotating shaft 4, and the other end of the elastic member 6 is connected with the wire reel 5; when the wire reel 5 rotates to the retracted position, the elastic member 6 is in the retracted state, and the electric connection wire 2 is wound in the wire reel 5; when the wire reel 5 rotates to the unfolded position, the elastic member 6 is in the stretched state, and the electric connection wire 2 is unfolded from the wire reel 5. Through the above structure, when the user needs to use the extension socket, an external force can be applied to the electric connection wire 2 to pull the electric connection wire 2, the wire reel 5 can rotate to the unfolded position to unfold the electric connection wire 2, the length of the unfolded electric connection wire 2 can be adjusted according to the actual demand to meet the use demand of the user in different scenes, and at this time, the elastic member 6 is in the stretched state; when the user needs to carry, store and transport the extension socket, the external force can be removed to release the electric connection wire 2, the elastic restoring force generated when the elastic member 6 is stretched can pull the wire reel 5 to rotate to the retracted position to wind the electric connection wire 2 to the wire reel 5 in the wire box 3, so as to reduce the volume of the extension socket and make the electric connection wire 2 more regular.

[0057] In the embodiment, the toggle piece 7 is rotatably connected with the take-up reel 5, and the toggle piece 7 is provided with a sliding block 71. The inner wall of the wire box 3 is provided with a first guide block 33, a second guide block 34, a third guide block 35, a fourth guide block 36, and a fifth guide block 37. The outer side wall of the first guide block 33 and the inner side walls of the second guide block 34, the third guide block 35, and the fourth guide block 36 form a contraction channel 351. The inner side wall of the fifth guide block 37 and the outer side walls of the second guide block 34, the third guide block 35, and the fourth guide block 36 form an expansion channel 352. When the take-up reel 5 rotates around the rotation shaft 4, the sliding block 71 of the toggle piece 7 can move in the contraction channel 351 or the expansion channel 352. The third guide block 35 is located between the second guide block 34 and the third guide block 35. The third guide block 35 has a first end 353 and a second end 354. The first end 353 and the second guide block 34 form a first opening 355. The outer side wall of the first guide block 33 is provided with a first guide portion 331 towards the second guide block 34. When the take-up reel 5 rotates from the contraction position to the expansion position, the first guide portion 331 pushes the sliding block 71 to a first position 711, so that the sliding block 71 can rotate with the take-up reel 5 to the expansion channel 352 through the first opening 355, and the sliding block 71 can slide in the expansion channel 352. The second end 354 and the fourth guide block 36 form a second opening 356. The second end 354 is provided with a first clamping groove 357. The inner side wall of the fifth guide block 37 is provided with a second guide portion 371 towards the outer side wall of the fourth guide block 36. When the take-up reel 5 rotates from the contraction position to the expansion position, the second guide portion 371 pushes the sliding block 71 to a second position 712. When the sliding block 71 is pushed to the second position 712 by the second guide portion 371, and the take-up reel 5 rotates from the expansion position to the contraction position, the sliding block 71 can rotate with the take-up reel 5 into the first clamping groove 357, for clamping the take-up reel 5. The inner wall of the first clamping groove 357 is provided with a third guide portion 3571. When the take-up reel 5 rotates from the contraction position to the expansion position, the sliding block 71 can rotate with the take-up reel 5 to be separated from the first clamping groove 357, and the sliding block 71 can enter the contraction channel 351 through the second opening 356 along the third guide portion 3571. When the sliding block 71 enters the contraction channel 351 through the second opening 356, and the take-up reel 5 rotates from the expansion position to the contraction position, the sliding block 71 can slide in the contraction channel 351. The inner wall of the first clamping groove 357 is also provided with a fourth guide portion 3572. When the sliding block 71 is pushed to the second position 712 by the second guide portion 371, and the take-up reel 5 rotates from the expansion position to the contraction position, the sliding block 71 can rotate with the take-up reel 5 along the fourth guide portion 3572 to the first clamping groove 357, for clamping the take-up reel 5. Specifically, the first clamping groove 357 is a V-shaped first clamping groove 357.Further, the third guide block 35 is a third guide block 35 with a front narrower rear end, the first end 353 is arranged at the front end of the third guide block 35, and the second end 354 is arranged at the rear end of the third guide block 35. Through the above structure, when the user needs to use the power strip, when the take-up reel 5 rotates from the retracted position to the expanded position, the first guide portion 331 is used to push the slider 71 to the first position 711, so that the slider 71 can rotate with the take-up reel 5 to enter the expanded passage 352 through the first opening 355, so that the slider 71 can slide in the expanded passage 352, so that the take-up reel 5 can be rotated to the expanded position to expand the electrical connecting line 2, and the length of the expanded electrical connecting line 2 can be adjusted according to actual needs. After the length adjustment is completed, continue to rotate the take-up reel 5 from the retracted position to the expanded position, when the second guide portion 371 is rotated, the second guide portion 371 is used to push the slider 71 to the second position 712; when the second guide portion 371 pushes the slider 71 to the second position 712, the elastic restoring force generated when the elastic member 6 is stretched can drive the take-up reel 5 to rotate from the expanded position to the retracted position, the slider 71 can rotate with the take-up reel 5 to the first clamping groove 357, and the take-up reel 5 is clamped to fix the length of the expanded electrical connecting line 2. When the user needs to carry, store and transport the power strip, the take-up reel 5 can be rotated from the retracted position to the expanded position to drive the slider 71 to rotate with the take-up reel 5 to disengage from the first clamping groove 357, and the slider 71 can enter the retraction passage 351 through the second opening 356 along the third guide portion 3571; when the slider 71 enters the retraction passage 351 through the second opening 356, so that the slider 71 can slide in the retraction passage 351, at the same time, the elastic restoring force generated when the elastic member 6 is stretched can drive the take-up reel 5 to rotate from the expanded position to the retracted position, so as to wind the electrical connecting line 2 into the take-up reel 5 in the wire box 3, so as to reduce the volume of the power strip, and make the electrical connecting line 2 more regular.

[0058] The inner wall of the wire box 3 is further provided with a sixth guide block 38 in the embodiment. The outer side wall of the first guide block 33 and the inner side wall of the second guide block 34, the inner side wall of the third guide block 35, the fourth guide block 36 and the inner side wall of the sixth guide block 38 form a contraction channel 351. The inner side wall of the fifth guide block 37 and the outer side wall of the second guide block 34, the outer side wall of the third guide block 35, the fourth guide block 36 and the outer side wall of the sixth guide block 38 form an expansion channel 352. When the winding disc 5 rotates around the rotating shaft 4, the sliding block 71 of the actuating piece 7 can move in the contraction channel 351 or the expansion channel 352. The third guide block 35 is located between one end of the second guide block 34 and one end of the third guide block 35. The sixth guide block 38 is located between the other end of the second guide block 34 and the other end of the third guide block 35. The third guide block 35 has a third end 358 and a fourth end 359. The third end 358 and the fourth guide block 36 form a third opening 361. The outer side wall of the first guide block 33 protrudes in the direction of the fourth guide block 36 and forms a fifth guide part 362. When the winding disc 5 rotates from the contraction position to the expansion position, the fifth guide part 362 pushes the sliding block 71 to the third position 713, so that the sliding block 71 can rotate with the winding disc 5 to the expansion channel 352 through the third opening 361, and the sliding block 71 can slide in the expansion channel 352. The second end 354 and the second guide block 34 form a fourth opening 3594. The fourth end 359 is provided with a second clamping groove 3591. The inner side wall of the fifth guide block 37 protrudes in the direction of the outer side wall of the second guide block 34 and forms a sixth guide part 372. When the winding disc 5 rotates from the contraction position to the expansion position, the sixth guide part 372 pushes the sliding block 71 to the fourth position 714. When the first guide part 331 pushes the sliding block 71 to the fourth position 714 and the winding disc 5 rotates from the expansion position to the contraction position, the sliding block 71 can rotate with the winding disc 5 to the second clamping groove 3591, which is used to clamp the winding disc 5. The inner wall of the second clamping groove 3591 is provided with a seventh guide part 3592. When the winding disc 5 rotates from the contraction position to the expansion position, the sliding block 71 can rotate with the winding disc 5 to separate from the second clamping groove 3591, and the sliding block 71 can enter the contraction channel 351 through the fourth opening 3594 along the seventh guide part 3592. When the sliding block 71 enters the contraction channel 351 through the second opening 356 and the winding disc 5 rotates from the expansion position to the contraction position, the sliding block 71 can slide in the contraction channel 351. The inner wall of the second clamping groove 3591 is further provided with an eighth guide part 3593. When the sixth guide part 372 pushes the sliding block 71 to the fourth position 714 and the winding disc 5 rotates from the expansion position to the contraction position, the sliding block 71 can rotate with the winding disc 5 and rotate to the second clamping groove 3591 along the eighth guide part, which is used to clamp the winding disc 5. Specifically, the second clamping groove 3591 is a V-shaped second clamping groove 3591.Further, the sixth guide block 38 is a front-narrow rear-end sixth guide block 38, the third end 358 is arranged at the front end of the sixth guide block 38, and the fourth end 359 is arranged at the rear end of the sixth guide block 38.

[0059] Through the above structure, when the user needs to use the extension socket, when the take-up reel 5 rotates from the retracted position to the unfolded position, the fifth guide part 362 is used to push the sliding block 71 to the third position 713, so that the sliding block 71 can rotate with the take-up reel 5 to enter the unfolded passage 352 through the third opening 361, and the sliding block 71 can slide in the unfolded passage 352, so that the take-up reel 5 can rotate to the unfolded position to unfold the electric connecting wire 2, and the length of the electric connecting wire 2 unfolded can be adjusted according to actual needs. After the length adjustment is completed, the take-up reel 5 continues to rotate from the retracted position to the unfolded position, and when the sixth guide part 372 is reached, the sixth guide part 372 is used to push the sliding block 71 to the fourth position 714. When the fourth guide part 3572 pushes the sliding block 71 to the second position 712, the elastic restoring force generated when the elastic member 6 is stretched can drive the take-up reel 5 to rotate from the unfolded position to the retracted position, the sliding block 71 can rotate with the take-up reel 5 to the second clamping groove 3591, and the take-up reel 5 is clamped to fix the length of the electric connecting wire 2 unfolded. When the user needs to carry, store, and transport the extension socket, the take-up reel 5 can be rotated from the retracted position to the unfolded position to drive the sliding block 71 to rotate with the take-up reel 5 to disengage from the second clamping groove 3591, and the sliding block 71 can enter the retraction passage 351 through the fourth opening 3594 along the seventh guide part 3592. When the sliding block 71 enters the retraction passage 351 through the fourth opening 3594, the sliding block 71 can slide in the retraction passage 351, and at the same time, the electric connecting wire 2 is loosened. The elastic restoring force generated when the elastic member 6 is stretched can pull the take-up reel 5 to rotate from the unfolded position to the retracted position to wind the electric connecting wire 2 into the take-up reel 5 in the wire box 3, so as to reduce the volume of the extension socket and make the electric connecting wire 2 more regular.

[0060] In the embodiment, the shell 1 includes an upper shell 14, a lower shell 15, and an intermediate shell 16. The upper side of the intermediate shell 16 is detachably connected with the upper shell 14, the lower side of the intermediate shell 16 is detachably connected with the lower shell 15, the intermediate shell 16 divides the first accommodating cavity 12 into a first accommodating space 121 and a second accommodating space 122, the first accommodating space 121 is formed between the upper side of the intermediate shell 16 and the upper shell 14, the second accommodating space 122 is formed between the lower side of the intermediate shell 16 and the lower shell 15, the electric connecting socket 11 is arranged on the upper shell 14, and the wire box 3 is arranged in the second accommodating space 122. Through the above structure, since the electric connecting socket 11 is arranged on the upper shell 14 and the wire box 3 is arranged in the second accommodating space 122, the design is reasonable and the structure is simple. Without changing the layout of the electric connecting socket 11 of the extension socket, the wire box 3 is arranged in the second accommodating space 122, and the storage of the electric connecting wire 2 is realized.

[0061] In the embodiment, the control mainboard 1211 is electrically connected with the electric connection socket 11, and is located in the first accommodating space 121. An electrode sheet 1212 is further included, and the fifth opening 39 is arranged on the wire box 3. The electrode sheet 1212 is connected with the wire box 3, one end of the electrode sheet 1212 is electrically connected with the electric connection wire 2, and the other end of the electrode sheet 1212 passes through the fifth opening 39 out of the wire box 3 and is electrically connected with the control mainboard 1211 and the electric connection socket 11. Further, the middle part of the middle shell 16 has a sixth opening 161, which communicates the second accommodating space 122 with the first accommodating space 121, so that the electric connection socket 11, the control mainboard 1211 and the electrode sheet 1212 are electrically connected through the sixth opening 161. Through the above structure, the design is reasonable, the structure is simple, the connection is stable, and the electrical connection among the control mainboard 1211, the electric connection socket 11 and the electric connection wire 2 is effectively realized.

[0062] In the embodiment, the upper side of the middle shell 16 is provided with a first mounting groove 162, and the side wall of the first mounting groove 162 is connected with the inner side wall of the upper shell 14. The lower side of the middle shell 16 is provided with a second mounting groove 163, and the side wall of the second mounting groove 163 is connected with the outer side wall of the lower shell 15. Through the above structure, the detachable connection between the middle shell 16 and the upper shell 14 and the lower shell 15 is effectively realized.

[0063] In the embodiment, the wire box 3 includes an upper box body 311 and a lower box body 312, and the upper box body 311 is detachably connected with the lower box body 312. The rotating shaft 4 is connected with the lower box body 312. Specifically, the upper side of the take-up reel 5 is provided with a first baffle 51, and the lower side of the take-up reel 5 extends a plurality of mutually spaced apart stop blocks 52. The first baffle 51 and the stop blocks 52 form a wire slot 53 therebetween, and the electric connection wire 2 is wound in the wire slot 53. Through the above structure, the electric connection wire 2 can be more smoothly wound on the wire slot 53.

[0064] In the embodiment, the rotating shaft 4 is provided with a first clamping slot 41, one end of the elastic member 6 is provided with a first bending part 61, the other end of the elastic member 6 is provided with a second bending part 62, the first bending part 61 is detachably inserted into the first clamping slot 41, and the take-up reel 5 is provided with a second clamping slot 54, and the second bending part 62 is detachably inserted into the second clamping slot 54. Through the above structure, the connection between the elastic member 6 and the rotating shaft 4 and the take-up reel 5 is effectively realized. When the take-up reel 5 rotates to the unfolded position, the elastic member 6 is stretched, and the elastic restoring force generated when the elastic member 6 is stretched can drive the take-up reel 5 to rotate to the contracted position to wind the electric connection wire 2.

[0065] In the embodiment, the take-up reel 5 is provided with a sleeving opening 55, which is rotatably sleeved on the rotating shaft 4. The electric connection socket 11 comprises a first socket 111 and a second socket 112. The first socket 111 is arranged on the upper surface of the upper shell 14, and the second socket 112 is arranged on the side wall of the upper shell 14. Specifically, the side wall of the upper shell 14 is provided with a plurality of raised anti-skid lines 141, and the upper surface of the upper shell 14 is provided with a plurality of recessed decorative parts 142. Through the above structure, the first socket 111 and the second socket 112 are effectively arranged, the number of sockets is increased under the premise that the size of the socket-outlet is unchanged, and the user experience is greatly improved.

[0066] The above is one or more embodiments provided in combination with specific content, and it is not considered that the specific implementation of the utility model is limited to these descriptions. Any approximation, similarity or replacement of the method and structure of the utility model, or any technical deduction or replacement under the concept of the utility model, should be considered as the protection range of the utility model.

Claims

1. A power strip, comprising: It includes: The shell (1) is provided with an electrical connection socket (11), and the side wall of the shell (1) surrounds a first containing cavity (12); The electrical connection line (2) is electrically connected with the electrical connection socket (11); The wire box (3) is arranged in the first containing cavity (12); the side wall of the wire box (3) surrounds a second containing cavity (31); The rotating shaft (4) is connected to the inner wall of the wire box (3); The take-up reel (5) is arranged in the second containing cavity (31), and the take-up reel (5) is rotatably connected with the rotating shaft (4), and the take-up reel (5) is used to wind the electrical connection line (2).

2. The power strip of claim 1, wherein, The wire box (3) is provided with a first wire passing port (32), the shell (1) is provided with a second wire passing port (13), the electrical connection line (2) is wound on the take-up reel (5), one end of the electrical connection line (2) is electrically connected with the electrical connection socket (11), and the other end of the electrical connection line (2) is exposed to the wire box (3) and the shell (1) through the first wire passing port (32) and the second wire passing port (13) in sequence.

3. The power strip of claim 1, wherein, Further comprising an elastic member (6), one end of the elastic member (6) is connected with the rotating shaft (4), and the other end of the elastic member (6) is connected with the take-up reel (5); when the take-up reel (5) rotates to a retracted position, the elastic member (6) is in a retracted state, and the electrical connection line (2) is wound in the take-up reel (5); when the take-up reel (5) rotates to an expanded position, the elastic member (6) is in a stretched state, and the electrical connection line (2) is expanded on the take-up reel (5).

4. The power strip of claim 3, wherein, Further comprising a toggle piece (7), which is rotatably connected with the take-up reel (5), and a sliding block (71) is arranged on the toggle piece (7); the inner wall of the wire box (3) is protrudingly provided with a first guide block (33), a second guide block (34), a third guide block (35), a fourth guide block (36) and a fifth guide block (37), a contraction channel (351) is formed between the outer side wall of the first guide block (33) and the inner side wall of the second guide block (34), the inner side wall of the third guide block (35) and the inner side wall of the fourth guide block (36), the fifth guide block (37) is formed between the inner side wall of the fifth guide block (37) and the outer side wall of the second guide block (34), the outer side wall of the third guide block (35) and the outer side wall of the fourth guide block (36), when the take-up reel (5) rotates around the rotation shaft (4), the sliding block (71) of the toggle piece (7) can move in the contraction channel (351) or the expansion channel (352); the third guide block (35) is located between the second guide block (34) and the third guide block (35), the third guide block (35) has a first end (353) and a second end (354), a first opening (355) is formed between the first end (353) and the second guide block (34), the outer side wall of the first guide block (33) is protrudingly provided with a first guide portion (331) towards the second guide block (34), when the take-up reel (5) rotates from the contraction position to the expansion position, the first guide portion (331) is used to push the sliding block (71) to a first position (711), so that the sliding block (71) can rotate with the take-up reel (5) to enter the expansion channel (352) through the first opening (355), so that the sliding block (71) can slide in the expansion channel (352); a second opening (356) is formed between the second end (354) and the fourth guide block (36), the second end (354) is provided with a first clamping groove (357), the inner side wall of the fifth guide block (37) is protrudingly provided with a second guide portion (371) towards the outer side wall of the fourth guide block (36), when the take-up reel (5) rotates from the contraction position to the expansion position, the second guide portion (371) is used to push the sliding block (71) to a second position (712); when the second guide portion (371) pushes the sliding block (71) to the second position (712), and the take-up reel (5) rotates from the expansion position to the contraction position, the sliding block (71) can rotate with the take-up reel (5) to the first clamping groove (357) for clamping the take-up reel (5).The inner wall of the first clamping groove (357) is provided with a third guide part (3571), when the take-up disc (5) rotates from the contraction position to the expansion position, the slider (71) can rotate with the take-up disc (5) to disengage from the first clamping groove (357), and the slider (71) can enter the contraction channel (351) through the second opening (356) along the third guide part (3571); when the slider (71) enters the contraction channel (351) through the second opening (356), and the take-up disc (5) rotates from the expansion position to the contraction position, the slider (71) can slide in the contraction channel (351).

5. The power strip of claim 4, wherein, The inner wall of the first clamping groove (357) is further provided with a fourth guide portion (3572), when the second guide portion (371) pushes the sliding block (71) to the second position (712), and the take-up reel (5) rotates from the expanded position to the retracted position, the sliding block (71) can rotate with the take-up reel (5) and rotate into the first clamping groove (357) along the fourth guide portion (3572), for clamping the take-up reel (5).

6. The power strip of claim 4, wherein, The first clamping groove (357) is a V-shaped first clamping groove (357).

7. The power strip of claim 4, wherein, The third guide block (35) is a third guide block (35) with a front narrow end, the first end (353) is arranged at the front end of the third guide block (35), and the second end (354) is arranged at the rear end of the third guide block (35).

8. The power strip of claim 4, wherein, The inner wall of the wire box (3) is further provided with a sixth guide block (38), a contraction channel (351) is formed between the outer side wall of the first guide block (33) and the inner side wall of the second guide block (34), the inner side wall of the third guide block (35), the fourth guide block (36) and the sixth guide block (38), and an expansion channel (352) is formed between the inner side wall of the fifth guide block (37) and the outer side wall of the second guide block (34), the outer side wall of the third guide block (35), the fourth guide block (36) and the sixth guide block (38), the slider (71) of the dial (7) can move in the contraction channel (351) or the expansion channel (352) when the wire winding disc (5) rotates around the rotating shaft (4); the third guide block (35) is located between one end of the second guide block (34) and one end of the third guide block (35), the sixth guide block (38) is located between the other end of the second guide block (34) and the other end of the third guide block (35), the third guide block (35) has a third end (358) and a fourth end (359), a third opening (361) is formed between the third end (358) and the fourth guide block (36), the outer side wall of the first guide block (33) is provided with a fifth guide portion (362) in the direction towards the fourth guide block (36), when the wire winding disc (5) rotates from the contraction position to the expansion position, the fifth guide portion (362) is used to push the slider (71) to a third position (713), so that the slider (71) can rotate with the wire winding disc (5) to enter the expansion channel (352) through the third opening (361), so that the slider (71) can slide in the expansion channel (352); a fourth opening (3594) is formed between the second end (354) and the second guide block (34), the fourth end (359) is provided with a second clamping groove (3591), the inner side wall of the fifth guide block (37) is provided with a sixth guide portion (372) in the direction towards the outer side wall of the second guide block (34), when the wire winding disc (5) rotates from the contraction position to the expansion position, the sixth guide portion (372) is used to push the slider (71) to a fourth position (714); when the first guide portion (331) pushes the slider (71) to the fourth position (714) and the wire winding disc (5) rotates from the expansion position to the contraction position, the slider (71) can rotate with the wire winding disc (5) to the second clamping groove (3591) for clamping the wire winding disc (5).The inner wall of the second clamping groove (3591) is provided with a seventh guide part (3592). When the take-up disc (5) rotates from the retracted position to the unfolded position, the slider (71) can rotate with the take-up disc (5) to disengage from the second clamping groove (3591), and the slider (71) can enter the retraction channel (351) through the fourth opening (3594) along the seventh guide part (3592). When the slider (71) enters the retraction channel (351) through the second opening (356), and the take-up disc (5) rotates from the unfolded position to the retracted position, the slider (71) can slide in the retraction channel (351).

9. The power strip of claim 8, wherein, The inner wall of the second clamping groove (3591) is further provided with an eighth guide portion (3593), when the sixth guide portion (372) pushes the sliding block (71) to the fourth position (714), and the take-up reel (5) rotates from the expanded position to the retracted position, the sliding block (71) can rotate with the take-up reel (5) and rotate into the second clamping groove (3591) along the eighth guide portion, for clamping the take-up reel (5).

10. The power strip of claim 8, wherein, The second clamping groove (3591) is a V-shaped second clamping groove (3591).