CN112072416B

CN112072416B - Telescopic charging wire

Info

Publication number: CN112072416B
Application number: CN202011011557.7A
Authority: CN
Inventors: 吴东升
Original assignee: HUALIANDIAN ELECTRONIC (SHENZHEN) CO Ltd
Current assignee: HUALIANDIAN ELECTRONIC (SHENZHEN) CO Ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-11-05
Anticipated expiration: 2040-09-23
Also published as: CN112072416A

Abstract

The invention provides a telescopic charging wire which comprises a lower cover body, a rotating cylinder, a coil spring, a charging wire body and an upper cover body. The two ends of the lower cover body are respectively provided with a first positioning groove and a first limiting plate, the rotating cylinder is rotatably connected to the connecting column of the lower cover body, the two ends of the coil spring are respectively connected with the rotating cylinder and the connecting column, and the charging wire body is wound on the rotating cylinder. According to the telescopic charging wire, one end of one movable cover plate is provided with the second positioning groove, one end of the other movable cover plate is provided with the second limiting plate, the movable cover plate is connected with the lower cover body in a buckling mode, one end of the charging wire body is sealed in the second positioning groove by the first limiting plate, the other end of the charging wire body is sealed in the first positioning groove by the second limiting plate, the movable cover plate can be connected with or disconnected from the lower cover body through rotation, the charging wire body can be conveniently disassembled and assembled, the hobbies of different users or the charging requirements of different devices can be met by replacing the charging wire body, or the damaged charging wire body can be replaced, and the cost is saved.

Description

Telescopic charging wire

Technical Field

The invention relates to the field of charging wires, in particular to a telescopic charging wire.

Background

The flexible charging wire is common product among the daily life, if the flexible charging wire of cell-phone, it generally all is that a USB connects and connects a cell-phone end connector that charges through a flexible charging wire. In order to make flexible charging wire more portable, more facilitate the use, the flexible charging wire of more and more styles has appeared among the prior art. But the flexible charging wire among the prior art has only realized the flexible function of charging wire body, still has great defect in the aspect of some other portability uses.

Therefore, it is desirable to provide a telescopic charging cable to solve the above problems.

Disclosure of Invention

The invention provides a telescopic charging wire, wherein an upper cover body of the telescopic charging wire comprises a fixed cover plate and movable cover plates which are rotatably connected to two sides of the fixed cover plate, and the movable cover plates can be connected with or disconnected from a lower cover body through rotation, so that the problem that the telescopic charging wire in the prior art has a large defect in the aspect of portability use is solved.

In order to solve the technical problems, the technical scheme of the invention is as follows: a telescoping charging cord, comprising:

the middle part of the lower cover body is provided with a connecting column, and two ends of the lower cover body are respectively provided with a first positioning groove and a first limiting plate;

the rotating cylinder is rotatably connected to the periphery of the connecting column, and the connecting column penetrates through the rotating cylinder;

the coil spring is connected between the rotating cylinder and the connecting column and is used for resetting the rotating cylinder to a set rotating position in a rotating way;

the two ends of the charging wire body are wound on the outer side surface of the rotating cylinder in the same direction, and extend out to the outside of the lower cover body in different directions; and

go up the lid, connect including fixed apron and rotation fixed apron both sides removable cover, fixed apron with the spliced pole is connected, one removable cover's one end is provided with the second constant head tank, another removable cover's one end is provided with the second limiting plate, removable cover with the lid buckle is connected down, makes first limiting plate seals the one end of charging wire body in the second constant head tank, makes the second limiting plate seals the other end of charging wire body in the first constant head tank.

In the invention, the telescopic charging wire further comprises a connecting frame, the connecting frame comprises a bottom plate and a sleeve column arranged on the bottom plate, the sleeve column is sleeved on the connecting column in a sliding mode, the fixed cover plate is connected with the sleeve column, the rotating cylinder is rotatably connected to the periphery of the sleeve column and limited between the bottom plate and the fixed cover plate, and therefore the rotating cylinder can be far away from the lower cover body through the sliding connection of the sleeve column and the connecting column.

The connecting column is provided with a spiral groove on the circumferential side surface, the inner wall surface of the sleeve column is provided with a sliding block which is used for being in sliding connection with the spiral groove, the fixed cover plate is in rotating connection with the sleeve column, so that in the process that the movable cover plate is connected with the lower cover body, the connecting frame slides downwards and rotates along the spiral groove, and the rotating direction of the connecting frame is the same as the winding direction of the coil spring, so that the coil spring is tightened.

Furthermore, two ends in the spiral groove are respectively provided with a first magnet block, and the sliding block is provided with a second magnet block which is magnetically attracted and positioned with the first magnet block;

and a torsion spring is arranged on a rotating shaft between the movable cover plate and the fixed cover plate and is used for enabling the movable cover plate to rotate towards the direction far away from the lower cover body.

In the invention, a plurality of first clamping teeth are annularly distributed on the rotating cylinder, and second clamping teeth are movably arranged on the fixed cover plate;

the second latch is rotatably arranged on the fixed cover plate, and the second latch comprises a stopping position contacted with the first latch and an avoiding position contacted with the first latch on a rotating track;

the second latch comprises a clamping surface and a forward surface, when the rotating cylinder rotates against the elastic force of the coil spring, the first latch can extrude the forward surface to enable the second latch to rotate, and when the rotating cylinder rotates along the elastic force of the coil spring, the clamping surface forms a limit on the first latch, so that the rotating cylinder is prevented from rotating along the elastic force of the coil spring, and the contraction of the charging wire body is limited;

the telescopic charging wire further comprises an elastic piece and a driving piece movably arranged on the fixed cover plate, the elastic piece is arranged between the fixed cover plate and the driving piece, the driving piece is connected with the second latch, and the driving piece comprises an initial position and a driving position on a movable track;

the elastic piece is used for driving the driving piece to be located at the initial position, and when the driving piece is located at the initial position, the second clamping tooth is located at the clamping stop position;

when the driving piece is located at the driving position, the second latch is located at the escape position.

Furthermore, a friction block is arranged on the driving piece, and when the second latch is located in the retreat position, the friction block is located at a set position where the friction block can be in contact with the first latch;

the friction block including be used for with a plurality of sand grips of first latch contact, it is a plurality of the sand grip is followed the radial direction setting of a section of thick bamboo rotates, and arranges with the interval of settlement, the sand grip is hollow structure.

Further, flexible charging wire still includes first fixed frame, first fixed frame detachable connects on the fixed apron, the driving piece slides spacingly in the first fixed frame, be provided with spherical connecting portion on the driving piece, the one end of second latch is provided with the extension, be provided with the spread groove on the extension, the cross section of spread groove be with the corresponding circular form of spherical connecting portion, spherical connecting portion with spread groove sliding connection works as the second latch is located when the card ends the position, the top of driving piece with first fixed frame contact to the restriction driving piece slides, and then the restriction the second latch rotates.

In the invention, the telescopic charging wire further comprises a connecting wire, a connecting block and a fixing frame;

one end of the connecting wire is connected with the connecting block, the other end of the connecting wire is detachably connected with the lower cover body, the fixing frame is connected to the connecting wire in a sliding mode, the connecting wire is used for binding the charging head with the lower cover body, and the fixing frame is in positioning contact with the side face of the charging head when the connecting wire is bound.

Furthermore, the connecting wire is an elastic wire, the telescopic charging wire further comprises a second fixed frame detachably arranged on the outer surface of the lower cover body, a first connecting part and a second connecting part are respectively arranged at two ends of the second fixed frame, one end of the connecting wire is fixedly connected with the first connecting part, and the connecting block at the other end is detachably connected with the second connecting part;

the middle part of the fixed frame of second is provided with and is used for accomodating the holding tank of mount, the fixed frame of second is including distributing four peripheral wire winding cell cube of holding tank, every be provided with on the peripheral side of wire winding cell cube and be used for coiling the wire winding groove of connecting wire.

Furthermore, the fixed frame comprises a main body frame and a movable frame, four corners of the bottom of the movable frame are provided with suckers, and one corner of the movable frame is rotatably connected with one corner of the main body frame, so that the connection position of the movable frame can be switched between two adjacent sides of the main body frame;

the two opposite corners of the main body frame are respectively and rotatably connected with one movable frame, the four sides of the main body frame are provided with first positioning parts, and the movable frame is provided with second positioning parts which are used for being connected with the first positioning parts in a positioning mode.

Compared with the prior art, the invention has the beneficial effects that: according to the telescopic charging wire, one end of one movable cover plate is provided with the second positioning groove, one end of the other movable cover plate is provided with the second limiting plate, the movable cover plate is connected with the lower cover body in a buckling mode, one end of the charging wire body is sealed in the second positioning groove by the first limiting plate, the other end of the charging wire body is sealed in the first positioning groove by the second limiting plate, the movable cover plate can be connected with or disconnected from the lower cover body through rotation, the charging wire body can be conveniently disassembled and assembled, the hobbies of different users or the charging requirements of different devices can be met by replacing the charging wire body, or the damaged charging wire body can be replaced, and the cost is saved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding to some embodiments of the present invention.

Fig. 1 is a schematic top view structure diagram of a telescopic charging cord according to the present invention.

Fig. 2 is a schematic view of a bottom view structure of the telescopic charging cord according to the present invention.

Fig. 3 is a schematic view of a connection structure of a charging wire body and a rotary drum of the telescopic charging wire of the present invention.

Fig. 4 is a sectional view of a telescopic charging cord of the present invention.

Fig. 5 is an expanded view of the removable cover of the structure of fig. 4.

Fig. 6 is a schematic view of a connection structure of the driving member and the second latch.

Fig. 7 is a schematic structural view illustrating the driving member driving the second latch to rotate to the avoiding position.

Fig. 8 is a schematic structural diagram of a friction block of the telescopic charging cord according to the present invention.

Fig. 9 is a schematic structural view of a fixing bracket of a telescopic charging cord according to the present invention.

Fig. 10 is another state diagram of the fixing frame in fig. 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom" are used only with reference to the orientation of the drawings, and the directional terms are used for illustration and understanding of the present invention, and are not intended to limit the present invention.

The terms "first," "second," and the like in the terms of the invention are used for descriptive purposes only and not for purposes of indication or implication relative importance, nor as a limitation on the order of precedence.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., the connection may be a detachable connection or a connection in a unitary structure; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The flexible charging wire among the prior art has only realized the flexible function of charging wire body, still has great defect in the aspect of some other portability uses.

The following is a preferred embodiment of the telescopic charging cord according to the present invention, which can solve the above technical problems.

Referring to fig. 1 to 5, wherein fig. 1 is a top view structure schematic view of a telescopic charging cord of the present invention, fig. 2 is a bottom view structure schematic view of the telescopic charging cord of the present invention, fig. 3 is a connection structure schematic view of a charging cord body and a rotating cylinder of the telescopic charging cord of the present invention, fig. 4 is a cross-sectional view of the telescopic charging cord of the present invention, and fig. 5 is an expanded state view of a movable cover plate of the structure in fig. 4.

In the drawings, elements having similar structures are denoted by the same reference numerals.

The invention provides a telescopic charging wire which comprises a lower cover body 11, a rotating cylinder 12, a coil spring 19, a charging wire body 18 and an upper cover body.

A connecting column 114 is arranged in the middle of the lower cover 11, and a first positioning groove 112 and a first limiting plate 111 are respectively arranged at two ends of the lower cover 11.

The rotary drum 12 is rotatably connected to the outer periphery of a connection post 114, and the connection post 114 penetrates the rotary drum 12, wherein a concave portion is provided on the outer side surface of the rotary drum 12, and a winding rod 122 for winding the charging wire body 18 is provided in the concave portion.

A coil spring 19 is connected between the rotary barrel 12 and the attachment post 114 for rotationally resetting the rotary barrel 12 to a set rotational position.

Charging wire body 18 is buckled and is convoluteed on winding pole 122, then both ends syntropy are convoluteed and are set up on rotating barrel 12 lateral surface, and both ends extend to the outside of lid 11 down to the direction of difference respectively, through the both ends of dragging charging wire body 18, can be so that rotating barrel 12 rotates to lengthen charging wire body 18.

Go up the lid and include fixed cover plate 131 and rotate to connect at fixed cover plate 131 both sides removable cover plate 132, rotate through pivot 133 between removable cover plate 132 and the fixed cover plate 131 and be connected, fixed cover plate 131 is connected with spliced pole 114, the one end of a removable cover plate 132 is provided with second constant head tank 134, the one end of another removable cover plate 132 is provided with second limiting plate 136, removable cover plate 132 is connected with lid 11 buckle down, make first limiting plate 111 seal the one end of charging wire body 18 in second constant head tank 134, make second limiting plate 136 seal the other end of charging wire body 18 in first constant head tank 112.

In this embodiment, fixed plate 118 is provided at both ends of lower cover body 11, be provided with buckle groove 113 on fixed plate 118, one end at two removable cover 132 all is provided with buckle plate 135, be provided with the buckle piece that is used for being connected with buckle groove 113 buckle on buckle plate 135, through dismantling the connection of buckle piece and buckle groove 113, can make removable cover 132 rotatable, and then can break off removable cover 132 and lower cover body 11, thereby make things convenient for dismouting charging wire body 18, through changing charging wire body 18 in order to satisfy different users' hobbies or the demand of charging of different equipment, or change the charging wire body that damages, and the cost is saved.

In the embodiment, the fixing plate 118 is substantially perpendicular to the corresponding first limiting plate 111, and the latch plate 135 is substantially perpendicular to the corresponding second limiting plate 136.

Referring to fig. 1, 4 and 5, in this embodiment, the telescopic charging cord further includes a connecting frame, the connecting frame includes a bottom plate 141 and a sleeve column 142 disposed on the bottom plate 141, the sleeve column 142 is slidably sleeved on the connecting column 114, the fixed cover plate 131 is connected to the sleeve column 142, the rotary drum 12 is rotatably connected to the periphery of the sleeve column 142 and is limited between the bottom plate 141 and the fixed cover plate 131, so that the rotary drum 12 can be away from the lower cover 11 by the sliding connection between the sleeve column 142 and the connecting column 114.

After the movable cover plate 132 is unfolded, the rotating cylinder 12 can be far away from the lower cover 11, and the rotating cylinder 12 and the first limiting plate 111 and the fixing plates at two ends of the lower cover 11 form a clearance, so that the charging wire body 18 can be more conveniently disassembled and assembled.

Wherein, the coil spring 19 is wound around the outer circumference of the sleeve cylinder 142, and a structure similar to the winding rod 122 in fig. 1 is provided on both the outer side surface of the sleeve cylinder 142 and the inner side surface of the rotary cylinder 12, respectively, for fixedly connecting both ends of the coil spring 19.

In this embodiment, a spiral groove 115 is disposed on a circumferential side surface of the connection column 114, a slider for sliding connection with the spiral groove 115 is disposed on an inner wall surface of the sleeve column 142, the fixed cover plate 131 is rotatably connected with the sleeve column 142, so that in a process of connecting the movable cover plate 132 with the lower cover 11, the connection frame slides down and rotates along the spiral groove 115, and a rotation direction of the connection frame is the same as a winding direction of the coil spring 19, so that the coil spring 19 is tightened, and further the movable cover plate 132 is connected with the lower cover 11, the coil spring 19 is in a contraction state, so that the charging wire body 18 can be wound on an outer circumferential side of the rotary drum 12 more tightly, and the charging wire body 18 can be wound automatically and more smoothly after being elongated.

In this embodiment, the fixed cover plate 131 is locked with the sleeve column 142 through the screw transparent cover 144, and the flat bearing 143 is clamped between the screw transparent cover 144 and the fixed cover plate 131, so as to realize the rotational connection between the fixed cover plate 131 and the sleeve column 142.

In this embodiment, the two ends in the spiral groove 115 are respectively provided with the first magnet block (as 117 and 116 of the first magnet block at the two ends in fig. 4), and the slider is provided with the second magnet block for magnetically attracting and positioning with the first magnet block, as in fig. 4, when the second magnet block is tightly attracted with the first magnet block 117 on the upper portion, the sleeve column 142 can be stably connected to the upper portion of the connecting column 114, the rotating cylinder 12 is kept away from the lower cover 11, so as to facilitate the dismounting operation of the charging line body 18, when the second magnet block is tightly attracted with the first magnet block 116 on the lower portion, the sleeve column 142 can be stably connected to the lower portion of the connecting column 114, which is beneficial to improving the stability of the movable cover plate 132 connected with the lower cover 11.

Preferably, a torsion spring may be disposed on the rotating shaft 133 between the movable cover plate 132 and the fixed cover plate 131, two ends of the torsion spring are respectively connected to the movable cover plate 132 and the fixed cover plate 131, and the torsion spring is used to rotate the movable cover plate 132 in a direction away from the lower cover 11, so that after the connection between the buckle block and the buckle slot 113 is disassembled, the movable cover plate 132 can be automatically unfolded under the elastic force of the torsion spring.

Referring to fig. 3 and 4, in the present invention, a plurality of first latch 121 are annularly distributed on the rotary cylinder 12, and a second latch 137 is movably disposed on the fixed cover 131.

The second latch 137 is rotatably disposed on the fixed cover 131, and the second latch 137 includes a latching position contacting the first latch 121 and a withdrawing position withdrawing from the first latch 121 on a rotation track.

The second latch 137 includes a blocking surface 1374 and a positioning surface 1373, when the rotary drum 12 rotates against the elastic force of the coil spring 19, the first latch 121 can press the positioning surface 1373 to make the second latch 137 rotate, when the rotary drum 12 rotates along the elastic force of the coil spring 19, the blocking surface 1374 limits the first latch 121, and the second latch 137 is pressed by the driving member 16 to be unable to rotate (the driving member 16 is limited by the first fixing frame 15), so that the rotary drum 12 can be blocked from rotating along the elastic force of the coil spring 19, and the contraction of the charging wire body 18 is limited.

The telescopic charging wire further comprises an elastic piece 161 and a driving piece 16 movably arranged on the fixed cover plate 131, the elastic piece 161 is arranged between the fixed cover plate 131 and the driving piece 16, the driving piece 16 is connected with the second latch 137, and the driving piece 16 comprises an initial position and a driving position on a movable track.

The elastic member 161 is used to drive the driving member 16 to the initial position, and when the driving member 16 is in the initial position, the second latch 137 is in the latching position, i.e. the state shown in fig. 6, the driving member 16 is in the initial position.

When the driver 16 is pressed downward to slide the driver 16 downward to the driving position against the elasticity of the elastic member 161, the second latch 137 rotates to the escape position, and for clarity of illustration, the rotating shaft 1372 of the second latch 137 is shown by a dotted circle in fig. 6, i.e., the second latch 137 rotates around the rotating shaft 1372 to switch between the latching position and the escape position.

Referring to fig. 5 and 6, the retractable charging cord in this embodiment further includes a first fixing frame 15, the first fixing frame 15 is detachably connected to the fixing cover plate 131, the driving member 16 is limited in the first fixing frame 15 in a sliding manner, the driving member 16 is provided with a spherical connecting portion 163, one end of the second latch 137 is provided with an extending portion, the extending portion is provided with a connecting groove 1371, the cross section of the connecting groove 1371 is circular corresponding to the spherical connecting portion 163, the spherical connecting portion 163 is slidably connected to the connecting groove 1371, so that when the second latch 137 rotates, the spherical connecting portion 163 and the connecting groove 1371 can move, when the second latch 137 is located at the locking position, the top of the driving member 16 contacts with the first fixing frame 15, thereby restricting the driving member 16 from sliding, and further restricting the second latch 137 from rotating.

Referring to fig. 4, in the embodiment, the driving member 16 is provided with a friction block 162, when the second latch 137 is located at the retreated position, that is, when the driving member 16 slides downwards, the friction block 162 slides downwards to a set position capable of contacting with the first latch 121, and friction between the friction block 162 and the first latch 121 can prevent the rotating drum 12 from rotating too fast under the elastic force of the coil spring 19, so as to prevent the charging cord body 18 from contracting too fast to hurt a user, and prevent the charging cord body 18 from being damaged.

Referring to fig. 8, preferably, the friction block 162 includes a plurality of protruding strips 1621 for contacting the first latch 121, the plurality of protruding strips 1621 are disposed along a radial direction of the rotating cylinder 12 and are arranged at a predetermined interval, the protruding strips 1621 are hollow, so as to be in more flexible contact with the first latch 121, and the protruding strips 1621 have a large deformation amount, a small wear, and a long service life.

The circumferential length of the friction block 162 in this embodiment may be set to be greater than the distance between the adjacent first latches 121, so that the friction block 162 can always contact with the corresponding first latch 121 during the rotation of the rotary drum 12, thereby realizing friction deceleration.

It is understood that the fixed cover plate 131 in this embodiment is provided with corresponding through holes for the friction block 162 and the spherical connecting portion 163 to pass through, so as to achieve the contact between the friction block 162 and the first latch 121, and the connection between the spherical connecting portion 163 and the first latch 121.

Referring to fig. 2, 9 and 10, the telescopic charging cable of the present invention further includes a connecting wire 25, a connecting block and a fixing frame.

The connecting block is connected to the one end of connecting wire 25, and the other end can be dismantled with lid 11 and be connected down, and mount sliding connection is on connecting wire 25, and connecting wire 25 is used for binding the head that charges with lid 11 down, and the side location contact of mount and the head that charges when binding, can bind flexible charging wire and corresponding head that charges together through this structure, and portable prevents in a jumble, or loses three and four.

Specifically, the connecting wire 25 is the elastic wire, flexible charging wire is still including the fixed frame 17 of second that can dismantle the surface that sets up at lower lid 11, the both ends of the fixed frame 17 of second are provided with first connecting portion 174 and second connecting portion 175 respectively, the one end and the first connecting portion 174 fixed connection of connecting wire 25, the connecting block of the other end is used for dismantling with second connecting portion 175 and is connected, dismantle the connecting block from second connecting portion 175, thereby can be convenient wind connecting wire 25 on charging head, after winding, it can realize tying up fixedly to be connected the connecting block with second connecting portion 175.

The connecting block and the second connecting portion 175 may be conventional snap terminal assemblies that are mated with each other, and will not be described herein.

The middle part of the fixed frame 17 of second is provided with the holding tank 173 that is used for accomodating the mount, and the fixed frame 17 of second is provided with wire winding groove 172 that is used for coiling connecting wire 25 including distributing at four wire winding unit bodies 171 of holding tank 173 periphery on every wire winding unit body 171's the peripheral side for when not tying up the head that charges, can accomodate the mount at holding tank 173, wind connecting wire 25 in wire winding groove 172, realize neatly accomodating, conveniently carry and use.

As shown in fig. 9 and 10, the fixing frame in this embodiment includes a main body frame 21 and a movable frame 22, suction cups 24 are disposed at four corners of the bottom of the movable frame 22, a connecting wire 25 penetrates through a flange slidably connected to the top of the main body frame 21, and one corner of the movable frame 22 is rotatably connected to one corner of the main body frame 21 through a rotating shaft 23, so that the connecting position of the movable frame 22 can be switched between two adjacent sides of the main body frame 21.

For example, fig. 10 shows the movable frame 22 connected to the other side of the main body frame 21 after the movable frame 22 on the right side in fig. 9 is rotated about the rotation shaft 23.

Because the length and width specifications of different charging heads are different, the fixed frame in the embodiment adjusts the position of the movable frame 22 through rotation, so that the fixed frame is changed into different forms, and the charging heads with different length and width specifications can be better bound and limited.

Preferably, two opposite corners of the main body frame 21 are respectively and rotatably connected with one movable frame 22, four sides of the main body frame 21 are provided with first positioning portions 211, the movable frame 22 is provided with second positioning portions 221 for positioning connection with the first positioning portions 211, and after the movable frame 22 is switched to the side of the main body frame 21, positioning and fastening connection can be realized through the cooperation of the first positioning portions 211 and the second positioning portions 221.

The first positioning portion 211 may be a fastening block, the second positioning portion 221 may be a fastening groove, and the first positioning portion 211 and the second positioning portion 221 may be connected by a fastening with a set interference force.

The working principle of the invention is as follows: when the charging line body 18 needs to be disassembled or assembled, a stick tool can be used for extruding the buckling block on the buckling plate 135, so that the buckling block is disconnected with the buckling groove 113, the movable cover plate 132 rotates and unfolds relative to the lower cover body 11, and then the upper cover body, the rotating cylinder 12 and the connecting frame are pulled to be away from the lower cover body 11, so that the rotating cylinder 12 and the first limiting plate 111 as well as the fixing plates at two ends of the lower cover body 11 form a avoiding position, and the disassembling and assembling of the charging line body 18 are facilitated;

the charging wire body 18 is bent and wound on the winding rod 122, then two ends of the charging wire body are wound on the outer side surface of the rotating cylinder 12 in the same direction, the two ends of the charging wire body extend out of the outer side of the lower cover 11 in different directions respectively, then one end of the charging wire body 18 is arranged in the second positioning groove 134, the other end of the charging wire body 18 is arranged in the first positioning groove 112, the sleeve column 142 is pushed to slide along the connecting column 114, meanwhile, the connecting frame slides downwards and rotates along the spiral groove 115, the coil spring 19 is tightened, finally, the movable cover plate 132 is rotated to be connected with the lower cover 11 in a buckling mode, the end heads of the two ends of the charging wire body 18 are larger than the corresponding first positioning groove 112 or the second positioning groove 134, and winding is limited.

When the charging cable is used, the rotating cylinder 12 can rotate by pulling the two ends of the charging cable body 18, so that the charging cable body 18 is lengthened, and when the rotating cylinder 12 rotates against the elastic force of the coil spring 19, the first latch 121 can press the alignment surface 1373 to enable the second latch 137 to rotate,

when stopping dragging, it has the tendency that the elastic force along coil spring 19 rotates to rotate section of thick bamboo 12, but screens face 1374 forms spacingly to first latch 121, and second latch 137 is extrudeed by driving piece 16 and can't rotate to the restriction rotates section of thick bamboo 12 and rotates, and then restricts charging wire body 18 and contracts, makes charging wire body 18 keep setting for length, facilitates the use.

When the charging wire is required to be wound, only the driving element 16 needs to be pressed downwards, so that the driving element 16 overcomes the elasticity of the elastic element 161 and slides downwards to a driving position, the second latch 137 rotates to a avoiding position, the limitation on the first latch 121 is removed, the rotating cylinder 12 rotates under the elastic force of the coil spring 19, and the charging wire body 18 is wound.

The process of changing the charging wire body and stretching or rolling the charging wire body for the telescopic charging wire of the preferred embodiment is completed.

This preferred embodiment's a removable cover's of flexible charging wire one end is provided with the second constant head tank, another removable cover's one end is provided with the second limiting plate, removable cover is connected with lower lid buckle, make first limiting plate seal the one end of charging wire body in the second constant head tank, make the second limiting plate seal the other end of charging wire body in first constant head tank, removable cover rotates and to realize being connected or the disconnection with lower lid, thereby make things convenient for dismouting charging wire body, through the charging wire body demand of changing the hobby or different equipment of charging wire body in order to satisfy different users, or change the charging wire body that damages, and the cost is saved.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.

Claims

1. A telescopic charging wire, comprising:

the upper cover body comprises a fixed cover plate and movable cover plates which are rotatably connected to two sides of the fixed cover plate, the fixed cover plate is connected with the connecting column, one end of one movable cover plate is provided with a second positioning groove, one end of the other movable cover plate is provided with a second limiting plate, and the movable cover plate is in buckle connection with the lower cover body, so that the first limiting plate seals one end of the charging wire body in the second positioning groove, and the second limiting plate seals the other end of the charging wire body in the first positioning groove;

the flexible charging wire still includes the link, the link includes the bottom plate and sets up cover barrel post on the bottom plate, cover barrel post slides and cup joints on the spliced pole, fixed cover plate with cover barrel coupling, it connects to rotate a section of thick bamboo and rotate the periphery of cover barrel post and spacing be in the bottom plate with between the fixed cover plate, thereby pass through cover barrel post with the sliding connection of spliced pole makes it can keep away from to rotate a section of thick bamboo the lid down, and then makes a rotate a section of thick bamboo with first limiting plate and with the lid forms down keeps away the position, and is convenient the dismouting of charging wire body.

2. The telescopic charging wire of claim 1, wherein a spiral groove is formed in the circumferential side surface of the connecting column, a slider is arranged on the inner wall surface of the sleeve column and is in sliding connection with the spiral groove, the fixed cover plate is in rotating connection with the sleeve column, so that the connecting frame slides down and rotates along the spiral groove in the process that the movable cover plate is connected with the lower cover body, and the rotating direction of the connecting frame is the same as the winding direction of the coil spring, so that the coil spring is tightened.

3. The telescopic charging wire according to claim 2, wherein a first magnet block is arranged at each end in the spiral groove, and a second magnet block for magnetically attracting and positioning the first magnet block is arranged on the sliding block;

4. The telescopic charging wire according to claim 1, wherein a plurality of first latches are annularly distributed on the rotating cylinder, and a second latch is movably arranged on the fixed cover plate;

5. The telescopic charging cord according to claim 4, wherein a friction block is arranged on the driving member, and when the second latch is in the escape position, the friction block is in a set position capable of contacting with the first latch;

6. The flexible charging wire of claim 4, further comprising a first fixing frame, the first fixing frame being detachably connected to the fixing cover plate, the driving member being slidably limited within the first fixing frame, the driving member being provided with a spherical connecting portion, one end of the second latch being provided with an extending portion, the extending portion being provided with a connecting groove, the cross section of the connecting groove being circular corresponding to the spherical connecting portion, the spherical connecting portion being slidably connected to the connecting groove, and when the second latch is located at the locking position, the top of the driving member contacting the first fixing frame to restrict the driving member from sliding and further restrict the second latch from rotating.

7. The telescopic charging cord according to claim 1, further comprising a connecting wire, a connecting block, and a fixing frame;

8. The telescopic charging wire according to claim 7, wherein the connecting wire is an elastic wire, the telescopic charging wire further comprises a second fixed frame detachably disposed on the outer surface of the lower cover body, a first connecting portion and a second connecting portion are respectively disposed at two ends of the second fixed frame, one end of the connecting wire is fixedly connected with the first connecting portion, and the connecting block at the other end is detachably connected with the second connecting portion;

9. The telescopic charging wire according to claim 7, wherein the fixed frame comprises a main frame and a movable frame, four corners of the bottom of the movable frame are provided with suckers, and one corner of the movable frame is rotatably connected with one corner of the main frame, so that the connection position of the movable frame can be switched between two adjacent sides of the main frame;