CN219717439U - Extension data line is inserted to row - Google Patents

Abstract

The utility model relates to the technical field of data lines, in particular to a extension data line of a socket, which comprises a hollow shell, a fixed circuit board, a cable and a winding assembly, wherein a central shaft is arranged in the shell; one end of the cable is electrically connected with the fixed circuit board, and the other end of the cable is wound on the winding assembly and then exposed out of the shell, so that the technical problems of large occupied space and inconvenient carrying of the data wire and the charging head in the prior art are solved.

Description

Extension data line is inserted to row

[ field of technology ]

The utility model relates to the technical field of data lines, in particular to a extension data line of a socket.

[ background Art ]

There are many scalable data lines in the market at present, however, the existing data lines need to be often used with a converter or a charging head, which results in inconvenient carrying and use due to the volume relationship.

[ utility model ]

The utility model provides a extension data line of a socket, which aims to solve the technical problem that a charging wire and a charging head are inconvenient to carry in the prior art.

The utility model provides a extension data cable of a socket, which comprises a hollow shell, a fixed circuit board, a cable and a winding assembly, wherein a central shaft is arranged in the shell, the winding assembly is sleeved on the central shaft and can rotate relative to the shell, the fixed circuit board is arranged on one side of the winding assembly in the shell and is in positioning connection with the shell, a plug is further arranged on the shell, one end of the plug penetrates through the shell and is electrically connected with the fixed circuit board, and the other end of the plug is exposed out of the shell; one end of the cable is electrically connected with the fixed circuit board, and the other end of the cable is wound on the winding assembly and then exposed out of the shell.

Preferably, a through hole is formed in the shell, a wire guide wheel connected with the shell in a rotating mode is arranged at the through hole, and the cable is exposed out of the shell through the through hole after being matched with the wire coiling assembly and the wire guide wheel in sequence.

Preferably, the central shaft axis is parallel to the extending direction of the plug, a fixing frame is arranged in the shell, the wire guide wheel is rotatably arranged on the fixing frame, and the cable is positioned on one side of the wire guide wheel close to the plug.

Preferably, the shell is further provided with at least one plug interface, and the plug interface is electrically connected with the fixed circuit board.

Preferably, the winding assembly comprises a coil spring and a winding roll, wherein one side of the winding roll far away from the plug is provided with a groove, the coil spring is arranged in the groove, one end of the coil spring is connected with the central shaft, and the other end of the coil spring is connected with the winding roll.

Preferably, a follow-up circuit board is detachably connected to one side, close to the plug, of the winding roll, and the cable is electrically connected with the fixed circuit board through the follow-up circuit board.

Preferably, the winding roll is further provided with a limiting assembly on one side far away from the plug, the limiting assembly comprises a movable assembly, a rotating piece and a moving gear connected with the rotating piece, the rotating piece is connected with the winding roll in a positioning mode, at least one concave position is formed in the moving gear, and the moving gear is matched with the movable assembly to limit the rotation of the relative shell of the winding roll.

Preferably, the movable assembly comprises a swinging member, a resetting member and a limiting gear, the swinging member is arranged between the moving gear and the limiting gear, the swinging member comprises a first matching unit matched with the limiting gear and a second matching unit matched with the concave position, the swinging member is movably connected with the resetting member, and the winding assembly drives the swinging member to rotate through the moving gear so that the resetting member generates elastic deformation to provide a pre-warning force for the movement of the swinging member.

Preferably, the first matching unit comprises a pushing part and a clamping part, and the pushing part and the clamping part are respectively arranged at two ends of the swinging piece and matched with the limiting gear.

Preferably, the shell is further provided with a first limiting shaft and a second limiting shaft, the first limiting shaft is rotationally connected with the limiting gear, and the second limiting shaft is rotationally connected with the swinging piece.

Compared with the prior art, the extension data line of the extension socket provided by the utility model has the following advantages:

1. the extension data line of the extension socket provided by the embodiment of the utility model comprises a hollow shell, a fixed circuit board, a cable and a winding component, wherein a central shaft is arranged in the shell, the winding component is sleeved on the central shaft and can rotate relative to the shell, the fixed circuit board is arranged on one side of the winding component in the shell and is in positioning connection with the shell, a plug is also arranged on the shell, one end of the plug penetrates through the shell and is electrically connected with the fixed circuit board, and the other end of the plug is exposed out of the shell; one end of the cable is electrically connected with the fixed circuit board, and the other end of the cable is exposed out of the shell after being wound on the winding assembly; the fixed circuit board plays the effect of vary voltage, and the center pin plays the effect of location, makes the reel subassembly rotate around the center pin thereby realize the free flexible of cable, simultaneously, cable one end and fixed circuit board electric connection all the time, the user of being convenient for adjusts the length of cable at the charging process, portable.

2. According to the extension data cable of the extension socket, the through hole is formed in the shell, the wire guide wheel which is rotationally connected with the shell is arranged at the through hole, the cable is exposed out of the shell through the through hole after being matched with the wire coiling assembly and the wire guide wheel in sequence, through the arrangement, the cable can be pulled out from multiple angles, friction between the cable and the shell is reduced, the service life of the device is prolonged, and meanwhile the wire guide wheel can play a guiding role, so that dislocation is avoided when the cable is wound on the wire coiling assembly.

3. According to the extension socket, the central axis of the extension socket is parallel to the extending direction of the plug, the fixing frame is arranged in the shell, the wire guide wheel is rotatably arranged on the fixing frame, the fixing piece is used for positioning the wire guide wheel, the wire guide wheel is prevented from being displaced, the cable is positioned on one side of the wire guide wheel, close to the plug, of the wire guide wheel, and the wire guide wheel can always play a role in guiding and limiting when a user stretches the data line conveniently.

4. According to the extension datase:Sub>A line of the extension socket, at least one socket is correspondingly arranged on the shell, the socket is electrically connected with the fixed circuit board, the socket comprises any one of ase:Sub>A U S B-A interface and ase:Sub>A typ e-c interface, and through the design, cables of different types can be connected to achieve simultaneous charging, more charging requirements can be met, and the practicability of the extension socket is improved.

5. The winding assembly for the extension data wire of the extension socket comprises the coil spring and the winding roll, wherein the groove is formed in one side, far away from the plug, of the winding roll, the coil spring is arranged in the groove, one end of the coil spring is connected with the central shaft, the other end of the coil spring is connected with the winding roll, the groove is used for accommodating the coil spring, space occupation of the coil spring is reduced, and when a cable needs to be wound, the coil spring drives the winding roll to wind the central shaft to rotate, so that the cable is rewound on the winding roll.

6. According to the winding roll of the extension data line of the extension socket, provided by the embodiment of the utility model, one side, close to a plug, of the winding roll is detachably connected with a follow-up circuit board, and a cable is electrically connected with a fixed circuit board through the follow-up circuit board; the follow-up circuit board can follow the rotation synchronous motion of the winding roll, through the arrangement, the fixed circuit board and the follow-up circuit board can always keep an electric communication state in the rotation process, and a user can conveniently adjust the length of the cable during charging.

7. The limiting component is further arranged on one side, far away from the plug, of the winding roll of the extension data wire, and comprises a movable component, a rotating piece and a moving gear fixedly connected with the rotating piece, at least one concave position is formed in the moving gear, the moving gear is matched with the movable component to limit rotation of a relative shell of the winding roll, and when a user is in use, the cable can be pulled out and fixed to any length through the limiting component, so that the extension data wire is convenient for the user to use.

8. The movable assembly of the extension socket extension data line comprises a swinging piece, a reset piece and a limit gear, wherein the swinging piece is arranged among the moving gear, the limit gear and the reset piece, the swinging piece comprises a first matching unit matched with the limit gear and a second matching unit matched with a concave position, the swinging piece is movably connected with the reset piece, the winding assembly drives the swinging piece to rotate through the moving gear so as to enable the reset piece to elastically deform to provide a pre-warning force for the movement of the swinging piece, the reset piece always has a tendency of restoring the original position when the swinging piece rotates through the reset piece, when the cable is pulled to drive the moving gear to rotate, the concave position of the moving gear drives the swinging piece to move through the second matching unit, so that the swinging piece drives the limit gear to rotate through the first matching unit, but due to the existence of the pre-tightening force, the swinging piece can rebound when moving to a certain distance, so that the swinging piece contacts and matches with a tooth groove of the limit gear again, the functions of clamping and shrinking can be realized through different matching on the limit gear, and the reset piece provides the pre-tightening force to enable the design of the swinging piece to rebound, so that the structure of the extension socket extension data line is simpler.

9. The first matching unit of the extension data line of the extension socket provided by the embodiment of the utility model comprises the pushing part and the clamping part, wherein the pushing part and the clamping part are respectively arranged at two ends of the swinging piece and matched with the limiting gear, the pushing part and the clamping part are designed to enable the swinging piece to drive the limiting gear and match with the limiting gear in the moving process, so that the clamping of the limiting gear on the swinging piece in different states is realized, the structure is simple, the volume is small, and the whole data line is lighter due to the design.

10. According to the extension data line of the extension socket, the first limiting shaft and the second limiting shaft are further arranged on the shell, the first limiting shaft is in rotary connection with the limiting gear, the second limiting shaft is in rotary connection with the swinging piece, the limiting gear and the swinging piece can be limited through the first limiting shaft and the second limiting shaft, the specific structure of the extension socket is perfected, and meanwhile the limiting gear and the swinging piece are convenient to install and detach.

[ description of the drawings ]

Fig. 1 is an exploded view of a flexible data line of a power strip according to an embodiment of the present utility model.

Fig. 2 is a schematic cross-sectional view of a flexible data line of a power strip according to an embodiment of the present utility model.

Fig. 3 is a schematic structural diagram of a limiting component of a extension data line of a socket in an embodiment of the utility model.

Fig. 4 is a schematic structural diagram of a swing member of a extension data line of a socket according to an embodiment of the present utility model.

Fig. 5 is a schematic structural diagram of a limiting gear of a extension data line of a socket in an embodiment of the present utility model.

Fig. 6 is a schematic diagram of a housing portion of a flexible data line for a power strip according to an embodiment of the present utility model

The attached drawings are used for identifying and describing:

1. a housing; 2. fixing the circuit board; 3. a cable; 4. a coil winding assembly; 5. a limit component; 6. a wire guide wheel; 7. a fixing frame; 8. a follow-up circuit board;

11. an upper case; 12. a lower case; 13. a central shaft; 14. a first limiting shaft; 15. the second limiting shaft; 16. a through hole; 41. a winding roll; 42. a coil spring; 51. a rotating member; 52. a motion gear; 53. a movable assembly;

111. an interface; 121. a plug; 411. a groove; 521. a concave position; 531. a swinging member; 532. a reset member; 533. a limit gear;

5311. a first mating unit; 5312. a second mating unit; 5331. resetting the tooth slot; 5332. a clamping tooth slot;

53111. a pushing part; 53112. and a locking part.

[ detailed description ] of the utility model

For the purpose of making the technical solution and advantages of the present utility model more apparent, the present utility model will be further described in detail below with reference to the accompanying drawings and examples of implementation. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted that the terms "first" and "second" and the like in the description and the claims of the present utility model are used for distinguishing between different objects and not for describing a particular sequential order.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1 and 2, a first embodiment of the present utility model provides a extension data cable, which includes a hollow housing 1, a fixed circuit board 2, a cable 3 and a winding assembly 4, wherein a central shaft 13 is disposed in the housing 1, the winding assembly 4 is sleeved on the central shaft 13 and can rotate relative to the housing 1, the fixed circuit board 2 is disposed at one side of the winding assembly 4 in the housing 1 and is positioned and connected with the housing 1, a plug 121 is further disposed on the housing 1, one end of the plug 121 penetrates through the housing 1 and is electrically connected with the fixed circuit board 2, and the other end is exposed out of the housing 1; one end of the cable 3 is electrically connected with the fixed circuit board 2, and the other end is exposed out of the shell 1 after being wound on the winding assembly 4.

It should be noted that, the casing 1 includes upper shell 11 and lower shell 12 that can dismantle the connection, and the holding chamber that upper shell 11 and lower shell 12 formed is used for placing wire winding subassembly 4, and wire winding subassembly 4 cover is established on center pin 13 and can be around center pin 13 rotatory, and wire winding subassembly 4 is used for twining cable 3, is convenient for pull out cable 3 when using, twines cable 3 on wire winding subassembly 4 when not using to realize the free flexible of data line, reduced the space occupation of cable 3.

It should be noted that, the cable 3 has two opposite ends, one end of which is defined as an input end and the other end is defined as an output end, and the one end is electrically connected with the fixed circuit board 2; in the present embodiment, the plug 121 and the central shaft 13 and the fixed circuit board 2 are disposed on the lower case 12, and the plug 121 is used for connection with an external socket; the fixed circuit board 2 and the lower shell 12 can be fixedly connected or detachably connected, so that the fixed circuit board 2 and the lower shell 12 do not relatively displace, the fixed circuit board 2 is electrically connected with the plug 121 for transforming voltage and charging an external device through the cable 3; specifically, the through hole 16 is formed in the housing 1, and the output end of the cable 3 is exposed to the housing 1 after penetrating through the through hole 16, where the through hole 16 may be formed in the upper case 11 or the lower case 12, or may be formed in the upper case 11 or in the lower case 12, and a second notch is formed in the lower case 12, and the first notch and the second notch together form the through hole 16.

It can be appreciated that through the design, the cable 3 can be directly connected with the socket to charge an external device when in use, and the length of the cable 3 can be adjusted according to actual needs, so that the cable 3 can be wound on the winding assembly 4 when not in use, thereby reducing space occupation and being convenient to carry; while at the same time. When the plug 121 is inserted into the socket, the extension data line of the extension socket can be fixed, and a user can pull the output end of the cable 3 by one hand to adjust the length, so that the extension socket is convenient to use.

Further, a wire guide wheel 6 rotatably connected with the housing 1 is disposed at the through hole 16, and the cable 3 is sequentially matched with the wire winding assembly 4 and the wire guide wheel 6 and then exposed out of the housing 1 through the through hole 16.

Further, the axis of the central shaft 13 is parallel to the extending direction of the plug 121, a fixing frame 7 is provided in the housing 1, and the wire guide wheel 6 is rotatably provided on the fixing frame 7.

It should be noted that, the connection mode of the fixing frame 7 and the housing 1 may be detachable connection such as threaded connection, clamping connection, etc., so as to facilitate installation and replacement, the fixing frame 7 is used for positioning the wire guide wheel 6,

specifically, the fixing frame 7 can be arranged on the upper shell 11 or the lower shell 12, so that the displacement of the wire guide wheel 6 when the wire guide wheel 6 is driven to rotate by the wire guide 3 is avoided.

Specifically, in actual use, since the plug 121 is plugged into the socket, and the socket is usually disposed in parallel on a mounting surface such as a wall surface or a desk surface, when the plug 121 is mated with the socket, since the axis of the central shaft 13 is parallel to the extending direction of the plug 121, that is, the axis direction of rotation of the wire winding assembly 4 is perpendicular to the mounting surface, in this embodiment, the axis direction of the wire guide wheel 6 is parallel to the mounting surface, so that a user can pull out the cable 3 in a direction away from the mounting surface.

It should be noted that, when the cable 3 is partially pulled out or retracted from the housing 1, the wire guide wheel 6 is driven to rotate, the wire guide wheel 6 plays a role in guiding and limiting the cable 3, and meanwhile, damage to the cable 3 caused by direct contact between the cable 3 and the inner wall of the through hole 16 can be avoided.

In some embodiments, one end of the fixing frame 7 extends out of the housing 1 and is attached to the inner wall of the through hole 16, so as to avoid the cable 3 from directly contacting with the inner wall of the through hole 16, and reduce friction force.

Further, the cable 3 is located on the side of the wire guide wheel 6 near the plug 121, and it should be noted that, when the external rotation device needs to be charged, the output end of the cable 3 is pulled out along the direction away from the mounting surface, so that the wire guide wheel 6 always plays a guiding role on the cable 3 when the cable 3 is pulled out by setting the cable 3 between the wire guide wheel 6 and the plug 121.

Further, at least one socket 111 is correspondingly disposed on the housing 1, the socket 111 is electrically connected with the fixed circuit board 2, and the socket 111 and the plug 121 are not located on the same surface of the housing 1, in this embodiment, a preferred manner is to dispose the socket 111 on the upper housing 11, so as to facilitate the user to plug the data line.

It should be noted that, the setting interface 111 may be connected to an input end of an external datase:Sub>A line to satisfy charging of ase:Sub>A plurality of devices at the same time, which enhances the practicability of the present utility model, specifically, the interface 111 includes ase:Sub>A U S B-ase:Sub>A interface, ase:Sub>A typ e-c interface, and the like, and is set according to different usage scenarios, which is not limited in this embodiment.

Further, the winding assembly 4 comprises a coil spring 42 and a winding roll 41, a groove 411 is formed in one side, far away from the plug 121, of the winding roll 41, the coil spring 42 is arranged in the groove 411, one end of the coil spring 42 is connected with the central shaft 13, and the other end of the coil spring 42 is connected with the winding roll 41.

It should be noted that, the central shaft 13 plays a role in positioning, the cable 3 can freely stretch and retract by rotating the winding drum 41 around the central shaft 13, it is understood that when the cable 3 is pulled out, the cable 3 drives the winding drum 41 to rotate, at this time, the coil spring 42 deforms to generate elastic potential energy, and when the cable 3 needs to be retracted, the winding drum 41 reversely rotates under the action of the coil spring 42 to enable the cable 3 to be rewound on the periphery of the winding drum 41.

It will be appreciated that by locating the coil spring 42 in the recess 411, the overall volume of the coil assembly 4 is reduced by such a design, and the assembly is also easy to install and remove.

Further, the winding roll 41 is detachably connected with a follow-up circuit board 8 at one side close to the plug 121, and the cable 3 is electrically connected with the fixed circuit board 2 through the follow-up circuit board 8.

It should be noted that, in the present embodiment, the fixed circuit board 2 and the follow-up circuit board 8 are fixedly disposed on the winding drum 41 and electrically connected with the input end of the cable 3, when the cable 3 drives the winding drum 41 to rotate in the process of pulling out or retracting the housing 1, the fixed circuit board 2 and the follow-up circuit board 8 relatively rotate and remain electrically connected all the time, so that a user can adjust the length of the cable 3 at any time during charging.

Further, referring to fig. 1 and 3, a limiting assembly 5 is further disposed on a side of the winding roll 41 away from the plug 121, the limiting assembly 5 includes a movable assembly 53, a rotating member 51, and a moving gear 52 connected to the rotating member 51, at least one concave portion 521 is disposed on the moving gear 52, and the moving gear 52 cooperates with the movable assembly 53 to limit rotation of the winding roll 41 relative to the housing 1.

It should be noted that, the connection manner between the rotating member 51 and the winding roll 41 is a positioning connection such as a clamping connection, a threaded connection, etc., and when the winding roll 41 rotates, the rotating member 51 is driven to move synchronously.

It can be appreciated that the groove 411 and the limiting component 5 are located on the same side of the winding roll 41, in this embodiment, a notch is provided on the inner wall of the groove 411, the rotating member 51 is correspondingly provided with a protrusion, and the rotating member 51 is positioned and connected with the winding roll 41 through the cooperation of the notch and the protrusion, wherein the rotating member 51 covers the groove 411, so that the coil spring 42 is prevented from affecting the movable component 53 in the deformation process.

Note that, the present utility model is not limited to the above-described embodiments. The rotating member 51 and the moving gear 52 may be fixedly connected, detachably connected, or integrally formed during the production process, and when the winding drum 41 rotates, the rotating member 51 and the moving gear 52 are driven to rotate synchronously.

In this embodiment, the concave portion 521 may be understood as a tooth slot of the moving gear 52, and the moving gear 52 is restricted from rotating by cooperating with the movable component 53, so as to implement locking after the cable 3 is pulled out of the housing 1. By arranging the limiting component 5, when a user stretches the cable 3 to any length, the cable 3 can be directly loosened, the winding roll 41 and the limiting component 5 are matched to enable the cable 3 to keep the length convenient to use, the cable 3 is prevented from being wound on the periphery of the winding roll 41 under the action of the coil spring 42 in the use process, and the practicability of the utility model is effectively improved.

Further, referring to fig. 2 to 5, the movable assembly 53 includes a swinging member 531, a reset member 532 and a limiting gear 533, the swinging member 531 is disposed between the moving gear 52, the limiting gear 533 and the reset member 532, the swinging member 531 includes a first matching unit 5311 matching with the limiting gear 533 and a second matching unit 5312 matching with the recess 521, the swinging member 531 is movably connected with the reset member 532, and the winding assembly 4 drives the swinging member 531 to rotate through the moving gear 52 so as to elastically deform the reset member 532 to provide a pre-warning force for the movement of the swinging member 531.

It should be noted that, the restoring member 532 is detachably connected to the housing 1, the restoring member 532 is approximately U-shaped, the swinging member 531 is disposed in the restoring member 532, two ends of the swinging member 531 abut against two sidewalls of the opening of the restoring member 532, and when the swinging member 531 rotates under the action of an external force, one sidewall of the opening of the restoring member 532 is elastically deformed to provide a warning force for the swinging member 531 to rotate in opposite directions.

Specifically, the limiting gear 533 is provided with a clamping tooth slot 5332 and a resetting tooth slot 5331 at intervals, and the first matching unit 5311 includes a pushing portion 53111 and a locking portion 53112, where the pushing portion 53111 and the locking portion 53112 are respectively disposed at two ends of the swinging member 531 to match the limiting gear 533.

Further, referring to fig. 6, the upper case 11 is further provided with a first limiting shaft 14 and a second limiting shaft 15, the limiting gear 533 is rotatably connected with the housing 1 through the first limiting shaft 14, the swinging member 531 is rotatably connected with the housing 1 through the second limiting shaft 15, and it can be understood that the swinging member 531 and the limiting gear 533 are prevented from being displaced relative to the housing 1 by such a design.

When an external device needs to be charged, the plug 121 is inserted into the socket, the cable 3 is pulled, the cable 3 drives the winding drum 41 to rotate around the central line mandrel, on one hand, the coil spring 42 rotates along with the winding drum 41 to generate elastic potential energy, on the other hand, the moving gear 52 fixedly connected with the winding drum 41 rotates synchronously with the winding drum 41 to drive the swinging member 531 matched with the moving gear 52 to swing to one side, at this time, the swinging member 531 deforms the reset member 532 to provide pretightening force, meanwhile, the pushing part 53111 pushes the limiting gear 533 to rotate to push the clamping support to a preset position, when the swinging member 531 swings to a certain distance, the second matched unit on the swinging member 531 slides out from the concave position 521 of the moving gear 52, under the pretightening force of the reset member 532, the swinging member 531 swings back towards the other direction, is matched with the next concave position 521 of the moving gear 52, after the cable 3 is stretched to a proper length, the elastic force of the coil spring 42 can enable the swinging member 41 to rotate and drive the moving gear 52 to rotate, the pretightening member 531 of the reset member makes the clamping member 5332 to be matched with the limiting gear 533 to the current position of the second clamping member 5312, and the clamping member 5332 can be fixed to the required length of the swinging member 5312.

When the cable 3 needs to be recovered, the cable 3 is stretched for a small distance, the moving gear 52 drives the swinging piece 531 to swing for a small distance, the pushing part 53111 pushes the limiting gear 533 to rotate, when the reset tooth socket 5331 is pushed to a preset position, under the action of the pretightening force of the reset piece 532, the swinging piece 531 swings back, the clamping part 53112 is matched with the reset tooth socket 5331, the swinging piece 531 is fixed to the current position, at the moment, the second matching unit 5312 on the swinging piece 531 is not matched at the concave position 521 to limit the reverse rotation of the moving gear 52, and the winding drum 41 is rotated under the action of the coil spring 42, so that the recovery of the cable 3 is completed.

Compared with the prior art, the extension data line of the extension socket provided by the utility model has the following advantages:

1. the extension data line of the extension socket provided by the embodiment of the utility model comprises a hollow shell, a fixed circuit board, a cable and a winding component, wherein a central shaft is arranged in the shell, the winding component is sleeved on the central shaft and can rotate relative to the shell, the fixed circuit board is arranged on one side of the winding component in the shell and is in positioning connection with the shell, a plug is also arranged on the shell, one end of the plug penetrates through the shell and is electrically connected with the fixed circuit board, and the other end of the plug is exposed out of the shell; one end of the cable is electrically connected with the fixed circuit board, and the other end of the cable is exposed out of the shell after being wound on the winding assembly; the fixed circuit board plays the effect of vary voltage, and the center pin plays the effect of location, makes the reel subassembly rotate around the center pin thereby realize the free flexible of cable, simultaneously, cable one end and fixed circuit board electric connection all the time, the user of being convenient for adjusts the length of cable at the charging process, portable.

2. According to the extension data cable of the extension socket, the through hole is formed in the shell, the wire guide wheel which is rotationally connected with the shell is arranged at the through hole, the cable is exposed out of the shell through the through hole after being matched with the wire coiling assembly and the wire guide wheel in sequence, through the arrangement, the cable can be pulled out from multiple angles, friction between the cable and the shell is reduced, the service life of the device is prolonged, and meanwhile the wire guide wheel can play a guiding role, so that dislocation is avoided when the cable is wound on the wire coiling assembly.

3. According to the extension socket, the central axis of the extension socket is parallel to the extending direction of the plug, the fixing frame is arranged in the shell, the wire guide wheel is rotatably arranged on the fixing frame, the fixing piece is used for positioning the wire guide wheel, the wire guide wheel is prevented from being displaced, the cable is positioned on one side of the wire guide wheel, close to the plug, of the wire guide wheel, and the wire guide wheel can always play a role in guiding and limiting when a user stretches the data line conveniently.

4. According to the extension datase:Sub>A line of the extension socket, at least one socket is correspondingly arranged on the shell, the socket is electrically connected with the fixed circuit board, the socket comprises any one of ase:Sub>A U S B-A interface and ase:Sub>A typ e-c interface, and through the design, cables of different types can be connected to achieve simultaneous charging, more charging requirements can be met, and the practicability of the extension socket is improved.

5. The winding assembly for the extension data wire of the extension socket comprises the coil spring and the winding roll, wherein the groove is formed in one side, far away from the plug, of the winding roll, the coil spring is arranged in the groove, one end of the coil spring is connected with the central shaft, the other end of the coil spring is connected with the winding roll, the groove is used for accommodating the coil spring, space occupation of the coil spring is reduced, and when a cable needs to be wound, the coil spring drives the winding roll to wind the central shaft to rotate, so that the cable is rewound on the winding roll.

6. According to the winding roll of the extension data line of the extension socket, provided by the embodiment of the utility model, one side, close to a plug, of the winding roll is detachably connected with a follow-up circuit board, and a cable is electrically connected with a fixed circuit board through the follow-up circuit board; the follow-up circuit board can synchronously move according to the rotation of the winding roll, and through the arrangement, the fixed circuit board and the follow-up circuit board can always keep an electric communication state in the rotation process, so that a user can conveniently adjust the length of the cable during charging.

7. The limiting component is further arranged on one side, far away from the plug, of the winding roll of the extension data wire, and comprises a movable component, a rotating piece and a moving gear fixedly connected with the rotating piece, at least one concave position is formed in the moving gear, the moving gear is matched with the movable component to limit rotation of a relative shell of the winding roll, and when a user is in use, the cable can be pulled out and fixed to any length through the limiting component, so that the extension data wire is convenient for the user to use.

8. The movable assembly of the extension socket extension data line comprises a swinging piece, a reset piece and a limit gear, wherein the swinging piece is arranged among the moving gear, the limit gear and the reset piece, the swinging piece comprises a first matching unit matched with the limit gear and a second matching unit matched with a concave position, the swinging piece is movably connected with the reset piece, the winding assembly drives the swinging piece to rotate through the moving gear so as to enable the reset piece to elastically deform to provide a pre-warning force for the movement of the swinging piece, the reset piece always has a tendency of restoring the original position when the swinging piece rotates through the reset piece, when the cable is pulled to drive the moving gear to rotate, the concave position of the moving gear drives the swinging piece to move through the second matching unit, so that the swinging piece drives the limit gear to rotate through the first matching unit, but due to the existence of the pre-tightening force, the swinging piece can rebound when moving to a certain distance, so that the swinging piece contacts and matches with a tooth groove of the limit gear again, the functions of clamping and shrinking can be realized through different matching on the limit gear, and the reset piece provides the pre-tightening force to enable the design of the swinging piece to rebound, so that the structure of the extension socket extension data line is simpler.

9. The first matching unit of the extension data line of the extension socket provided by the embodiment of the utility model comprises the pushing part and the clamping part, wherein the pushing part and the clamping part are respectively arranged at two ends of the swinging piece and matched with the limiting gear, the pushing part and the clamping part are designed to enable the swinging piece to drive the limiting gear and match with the limiting gear in the moving process, so that the clamping of the limiting gear on the swinging piece in different states is realized, the structure is simple, the volume is small, and the whole data line is lighter due to the design.

10. According to the extension data line of the extension socket, the first limiting shaft and the second limiting shaft are further arranged on the shell, the first limiting shaft is in rotary connection with the limiting gear, the second limiting shaft is in rotary connection with the swinging piece, the limiting gear and the swinging piece can be limited through the first limiting shaft and the second limiting shaft, the specific structure of the extension socket is perfected, and meanwhile the limiting gear and the swinging piece are convenient to install and detach.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements, etc. within the principles of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. The utility model provides a row inserts flexible data line which characterized in that: the cable winding device comprises a hollow shell, a fixed circuit board, a cable and a winding assembly, wherein a central shaft is arranged in the shell, the winding assembly is sleeved on the central shaft and can rotate relative to the shell, the fixed circuit board is arranged on one side of the winding assembly in the shell and is in positioning connection with the shell, a plug is further arranged on the shell, one end of the plug penetrates through the shell and is electrically connected with the fixed circuit board, and the other end of the plug is exposed out of the shell;

one end of the cable is electrically connected with the fixed circuit board, and the other end of the cable is wound on the winding assembly and then exposed out of the shell.

2. The extension cord of claim 1, wherein: the shell is provided with a through hole, a wire guide wheel connected with the shell in a rotating mode is arranged at the through hole, and the cable is exposed out of the shell through the through hole after being matched with the wire coiling assembly and the wire guide wheel in sequence.

3. A extension cord as claimed in claim 2, wherein: the central shaft axis is parallel to the extending direction of the plug, a fixing frame is arranged in the shell, the wire guide wheel is rotatably arranged on the fixing frame, and the cable is positioned on one side of the wire guide wheel, which is close to the plug.

4. The extension cord of claim 1, wherein: at least one plug interface is correspondingly arranged on the shell, and the plug interface is electrically connected with the fixed circuit board.

5. The extension cord of claim 1, wherein: the winding assembly comprises a coil spring and a winding roll, wherein one side, far away from the plug, of the winding roll is provided with a groove, the coil spring is arranged in the groove, one end of the coil spring is connected with the central shaft, and the other end of the coil spring is connected with the winding roll.

6. The extension cord of claim 5, wherein: and one side of the winding roll, which is close to the plug, is detachably connected with a follow-up circuit board, and the cable is electrically connected with the fixed circuit board through the follow-up circuit board.

7. The extension cord of claim 6, wherein a limit assembly is further disposed on a side of the winding reel away from the plug, the limit assembly comprises a movable assembly, a rotating member and a moving gear connected with the rotating member, the rotating member is connected with the winding reel in a positioning manner, at least one concave position is disposed on the moving gear, and the moving gear cooperates with the movable assembly to limit rotation of the winding reel relative to the housing.

8. The extension data cable of claim 7, wherein the movable assembly comprises a swinging member, a reset member and a limit gear, the swinging member is arranged among the moving gear, the limit gear and the reset member, the swinging member comprises a first matching unit matched with the limit gear and a second matching unit matched with the concave position, the swinging member is movably connected with the reset member, and the winding assembly drives the swinging member to rotate through the moving gear so as to enable the reset member to generate elastic deformation to provide a pre-warning force for the movement of the swinging member.

9. The extension data cable of claim 8, wherein the first matching unit includes a pushing portion and a locking portion, and the pushing portion and the locking portion are respectively disposed at two ends of the swinging member and matched with the limiting gear.

10. The extension data cable of claim 8, wherein the housing is further provided with a first limiting shaft and a second limiting shaft, the first limiting shaft is rotatably connected with the limiting gear, and the second limiting shaft is rotatably connected with the swinging member.