CN201758231U

CN201758231U - Automatic wire winder

Info

Publication number: CN201758231U
Application number: CN2010202804211U
Authority: CN
Inventors: 叶春渊
Original assignee: RENYU ENTERPRISE CO Ltd
Current assignee: RENYU ENTERPRISE CO Ltd
Priority date: 2010-07-28
Filing date: 2010-07-28
Publication date: 2011-03-09
Anticipated expiration: 2020-07-28

Abstract

The utility model provides an automatic wire winder comprising a housing, an electric wire and a conductive device, wherein, an opening is formed on the housing, a ratchet wheel is pivoted inside the housing, one end of the electric wire is capable of extending outwards through the opening of the housing, the other end of the electric wire is fixedly wound around the ratchet wheel, the winding or release of the electric wire can be achieved through elastic rotation of the ratchet wheel, the conductive device is electrically connected between the electric wire and a power line, the conductive device comprises a shaft tube and a shaft sleeve, the shaft tube is connected with the axial center of the ratchet wheel and can rotate along with the axial center, at least two conductive rings are circumferentially arranged on the outer side surface of the shaft tube and are electrically connected with the electric wire, the shaft sleeve is sleeved on the shaft tube, a conductive element corresponding to and being in radial contact with the conductive rings on the shaft tube is arranged on the shaft sleeve, and the conductive element is connected to the power line. The utility model is simple in structure and easy to maintain, guarantees stable and true conductive contact, and can achieve a stable conducting effect during the winding or release of the electric wire.

Description

Automatic winder

Technical field

The relevant a kind of automatic winder of the utility model when referring to rolling of a kind of operation electric wire or release especially, can keep the automatic winder of certain and stable conductive effect.

Background technology

Automatic winder is widely used, and as using the interconnecting to use as extended line of electric wire, common on the market automatic winder structure roughly comprises at present: a housing; One winding roll is located in this enclosure interior, is provided with a volute wind spring in it; And an electric wire, be wound on this winding roll; So, plug on the electric wire can be plugged on the power socket, but and the socket charger product plant turn-on power on the electric wire, and see through winding roll rotation control electric wire and pull out the outer length of housing, be electric wire to be pulled out outside the housing when just using, and be that back stretch by the volute wind spring drives winding roll and rotates so that electric wire is furled back in the housing automatically when furling by the user.

The plug of above-mentioned existing automatic winder and the electric wire between the socket are divided into two sections compositions, then seeing through a circuit board between two sections electric wires is connected with electroconductive elastic sheet contact formation conduction, wherein this circuit board is located on the axial end of winding roll, and the plate face of this circuit board is provided with the conduction ring plate for the conducting electric current; This electroconductive elastic sheet is positioned at the axial positions of winding roll and is fixed on the inner face of this shell, and touches to contact as conducting with the conduction ring plate on this circuit board.

This automatic winder is to utilize circuit board to contact as conducting with the single face of electroconductive elastic sheet, when electric wire is pulled out or is regained, winding roll rotating drive circuit board rotates with the disc rotating manner, and electroconductive elastic sheet can elasticity changes with the circuit board rotation, therefore can produce and beat situation and influence conduction state, even because vibrations and intermittent loose contact takes place, cause the interrupted situation of electric power.

For the conduction shortcoming that existing automatic winder structure is produced, be that dealer institute is urgently at scheme of seeking to solve and improvements always; And the utility model improvement design at the shortcoming of the existing device of volume automatically and in addition.

Summary of the invention

The utility model main purpose provides a kind of simple in structure, easily the automatic winder of maintenance and high conductive stability.

An embodiment of the present utility model provides a kind of automatic winder, comprises a shell, an electric wire and an electric installation; Wherein, establish an opening on this shell, this enclosure ratchet that is pivoted; This electric wire, the one end is movable, and the other end is fixed and is wound on this ratchet outwards by the opening of this shell, and by this ratchet elasticity revolution with rolling or discharge this electric wire; This electric installation conduction is connected between this electric wire and the power line, this electric installation also comprises: a central siphon, be linked to the axle center of this ratchet and rotate synchronously with the axle center, ring is established at least two conductive rings on the lateral surface of this central siphon, and this conductive ring is connected with this wiring conductive; And an axle sleeve, being sheathed on this central siphon, this axle sleeve is provided with conducting element corresponding with conductive ring on this central siphon and that radially contact, and this conducting element is connected in this power line.

Compared with prior art, the utility model is operated this electric wire rolling or is discharged the central siphon that drives this power supply connecting device to order about this ratchet to rotate synchronously and rotates, and make this conductive ring can keep stable with the conducting element on this axle sleeve, contact really, to reach stable conductive effect.

Description of drawings

Fig. 1 is the outside drawing of the utility model automatic winder.

Fig. 2 is the approximate decomposition map of the utility model automatic winder.

Fig. 3 is the profile of the electric installation of the utility model automatic winder.

Fig. 4 is the approximate decomposition map of another embodiment of the utility model automatic winder.

Embodiment

For making the utility model clear and definite more full and accurate, enumerate preferred embodiment now and cooperate following diagram, structure of the present utility model and technical characterictic thereof are described in detail as the back:

Please refer to Fig. 1 to shown in Figure 3, the outside drawing of the utility model automatic winder, approximate decomposition map and part profile, this automatic winder 1 comprises a shell 10, an electric wire 20 and an electric installation 30; Wherein this shell 10 is formed by two

circular shell

10a, 10b butt joint, and on surface of its week circle, an opening 101 is set and outwards stretches by the inside of this shell 10 for this electric wire 20, the outside of this shell 10 foot rest 11 that fixing usefulness more can be set is for being fixed on the assigned address as on the support, on the ground, on the wall or vertically (scheming not show) under the ceiling again.

One end of this electric wire 20 is a movable end, can outwards stretch by the opening 101 of this shell 10, and but attachment plug or socket (figure does not show) connect and use as extended line for planting with electric equipment products, the other end of this electric wire 20 is a stiff end, fix and be wound on the ratchet 40, this ratchet 40 is hubbed at the inside of this shell 10 by an axle center 41, establish a clockwork spring (figure does not show) in this ratchet 40 and see through its resiliency characteristics so that the revolution of this ratchet 40 elasticity with rolling or discharge this electric wire 20.

This electric installation 30 is connected between this electric wire 20 and the power line 50, connects to form conduction.

Please refer to Fig. 2 and shown in Figure 3, this electric installation 30 comprises: a central siphon 31 and an axle sleeve 32, this axle sleeve 32 are socketed on this central siphon 31 and can relatively rotate; Wherein this central siphon 31 has a junction 311, this connecting portion 311 is engaged in the axle center 41 of this ratchet 40, be respectively equipped with screw thread 311a, the 41a that can screw togather on the corresponding surface in this connecting portion 311 and axle center 41, engage in order to locking, but its juncture does not limit, as with tapered pole and bellmouth combination kenel socket (figure does not show), this central siphon 31 can be rotated synchronously with these ratchet 40 rotations; Ring is established at least two conductive rings 313 and is connected as anodal, negative pole circuit 21 for the different electrodes on this electric wire 20 on the lateral surface 312 of this central siphon 31, more can provide ground path to connect or other designed lines connection uses, so that forming conduction with this electric wire 20, this conductive ring 313 is connected, radially be provided with on the tube wall of this central siphon 31 corresponding to the open-work 317 of this conductive ring 313 circuit 21 for this electric wire 20 and electrically connect by this open-work 317 and with this conductive ring 313, connected mode does not limit as welding or terminal is connected (as shown in Figure 4) between this circuit 21 and this conductive ring 313; Further be provided with on the lateral surface 312 of this central siphon 31 again for the chimeric annular groove 314 of this conductive ring 313 correspondences; Upper and lower two outer ends of this central siphon 31 further are provided with an O type packing ring 315 (as shown in Figure 3) again, make this O type packing ring 315 touch the inner face that is butted on this axle sleeve 32, stability when relatively rotating with this axle sleeve 32 in order to promote this central siphon 31, and then the waterproof and dustproof effect is provided, and the cannelure 316 for these O type packing ring 315 ccontaining location usefulness is set on this central siphon 31 in addition.

This axle sleeve 32 is sheathed on this central siphon 31, which is provided with at least two conducting elements 321 and with radial direction and the corresponding conductive ring 313 that is contacted with on this central siphon 31, this conducting element 321 also is electrically connected at this power line 50, this power line 50 does not limit as welding or terminal with connected mode between this conducting element 321 and is connected (as shown in Figure 4), and this power line 50 is for being connected on the power socket with as conduction connection (scheming not show).

Please refer to shown in Figure 3ly, this conducting element 321 has a front end 321a and the rear end 321b who is connected with this power line 50 that a correspondence is contacted with the conductive ring 313 on this central siphon 31, and forms a neck 321c in this front end 321a appropriate location; The outer surface of this axle sleeve 32 is provided with a holder 322 for these conducting element 321 location usefulness, offer one on this holder 322 for the outwardly directed open-work 324 of rear end 321b of this conducting element 321, make this conducting element 321 rear end 321b can be connected with this power line 50; This conducting element 321 further by an elastic component 323 so that this conducting element 321 Elastic Contact on the conductive ring 313 of this central siphon 31, this elastic component 323 is sheathed on this conducting element 321, these elastic component 323 1 ends are resisted against on this holder 22 and the other end is resisted against on the neck 321c of this conducting element 321, see through this elastic component 323 the extension characteristic so that stable the touching of the front end 321a of this conducting element 321 be butted on this conductive ring 313, this elastic component 323 is made of the compression spring, but do not limit, as torque spring, shell fragment (figure does not show).

Please refer to shown in Figure 4, further from top to bottom be provided with the open slot 318 of side inside and outside at least one perforation tube wall on the tube wall of the central siphon 31 of this electric installation 30 from its end face, this conductive ring 313 further extends to form a lug 313a to the inside, this lug 313a can be by a splicing ear 319 with these circuit 21 secure bond and form electrical circuit; During assembling, this conductive ring 313 from these central siphon 31 tops from top to bottom and aims at by behind the open slot 318 of this central siphon 31 the lug 313a of conductive ring 313, is sleeved on the annular groove 314 of the lateral surface 312 of this central siphon 31, and this lug is towards this central siphon inboard; Again, this conducting element 321 further can be by another splicing ear 51 with these power line 50 secure bond and form electrical circuit.

By said structure, to operate these electric wire 20 rollings or discharge and rotates synchronously to order about the central siphon 31 that this ratchet 40 rotated and drove this power supply connecting device 30, the axle sleeve 32 of this power supply connecting device 30 maintains static these central siphon 31 formation is relatively rotated; This conducting element 321 is contacted with this conductive ring 313 with radial direction, and utilize this elastic component 323 to touch to be butted on this conductive ring 313 with elasticity, so that under the state of relatively rotating, can keep certain, stable contacting between this central siphon 31 and this axle sleeve 32, to reach stable conductive effect, in order to replace the conduction connection of prior art with axial contact, therefore, the utility model automatic winder can overcome these electric wire 20 retractables of operation and make this ratchet 40 rotate the conduction loose contact that vibrations caused that produces and the interrupted shortcoming of electric power takes place.

The above only is this novel preferred embodiment, and novel for this only is illustrative, and nonrestrictive; Those of ordinary skills understand, and can carry out many changes to it in these spirit and scope that novel claim limited, revise, even the equivalence change, but all will fall in this novel protection range.

Claims

1. automatic winder is characterized in that it comprises:

One shell is established an opening on it, its inside ratchet that is pivoted;

One electric wire, one end be the opening by this shell outwards, and the other end is fixed and is wound on this ratchet, sees through this ratchet elasticity revolution with rolling or discharge this electric wire; And

One electric installation, its conduction is connected between this electric wire and the power line, this electric installation comprises a central siphon and an axle sleeve, wherein this central siphon has a junction, this connecting portion is engaged in the axle center of this ratchet and rotates synchronously with ratchet, and the lateral surface of this central siphon is provided with at least two conductive rings for being connected with this wiring conductive; This axle sleeve is to maintain static the outside that mode is sheathed on this central siphon, this axle sleeve is provided with radially the conducting element corresponding to the conductive ring on this central siphon, one end of this conducting element radially is contacted with this conductive ring and the other end is connected in this power line, this conducting element and by an elastic component so that the conductive ring of this conducting element Elastic Contact on this central siphon;

Wherein, when this ratchet drives this central siphon when this axle sleeve rotates, this conductive ring contacts with conduction radially with this central siphon rotation and with this conducting element.

2. automatic winder as claimed in claim 1 is characterized in that, is respectively equipped with the screw thread that can screw togather on the corresponding surface in the connecting portion of this central siphon and the axle center of this ratchet.

3. automatic winder as claimed in claim 1 is characterized in that, further is provided with on the lateral surface of this central siphon for the corresponding chimeric annular groove of this conductive ring.

4. automatic winder as claimed in claim 1 is characterized in that, upper and lower two ends of this central siphon further are respectively equipped with an O type packing ring and supply the cannelure of this ccontaining location of O type packing ring.

5. automatic winder as claimed in claim 1 is characterized in that, the tube wall of this central siphon is provided with corresponding to the open-work of this conductive ring and crosses this open-work for the link tester of this electric wire and be connected with this conductive ring.

6. automatic winder as claimed in claim 1 is characterized in that, an end of this conducting element is a front end being contacted with this conductive ring, and the other end is the rear end, and this conducting element forms a neck in book office; The outer surface of this axle sleeve is provided with a holder, and it is protruding being connected in this power line for the rear end of this conducting element that this holder is offered an open-work, and for this conducting element location; This elastic component is sheathed on this conducting element, and the one end is resisted against on this holder and the other end is resisted against on the neck of this conducting element.

7. automatic winder as claimed in claim 6 is characterized in that, this elastic component is the compression spring.

8. automatic winder as claimed in claim 1 is characterized in that, further from top to bottom offers the open slot of side inside and outside at least one perforation tube wall on the tube wall of the central siphon of this electric installation from the central siphon end face; This conductive ring further extends to form a lug to the inside for being connected with this circuit conduction; During assembling, the lug of this conductive ring is aimed at this open slot and from top to bottom is inserted in, and being sleeved on the lateral surface of this central siphon, and makes this lug towards this central siphon inboard.