CN100505432C

CN100505432C - Power cord spooling machine

Info

Publication number: CN100505432C
Application number: CNB2005100607439A
Authority: CN
Inventors: 庞一鸣
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-09-09
Filing date: 2005-09-09
Publication date: 2009-06-24
Anticipated expiration: 2025-09-09
Also published as: CN1738109A

Abstract

Disclosed a coiling machine for power cord comprises a coiling box, a coiling wheel inside the coiling box, limited rings on the two ends of coiling wheel, and crinkle spring inside the coiling axle sleeve to connect the coiling axle corn. The invention is characterized in that the protruded part of coiling axle sleeve is equipped a electric connecting component formed by a conducting outer layer, a insulated inner layer and a conducting axle corn; a coiling-proof wheel formed by stop arm and vertical binding post is arranged on the outside of limited ring, as a stop connecting component which can rotate to make a group of electrical contacts connect. The stop function which is synchronous to the electrical connection can reduce the tensity between plug and the power cord, to make the plug connect the adapter firmly; in addition, it coils without electric to improve the safety of household appliance which also can prevent the knotting inside the box.

Description

Power cord spooling machine

Technical field

The present invention relates to a kind of coiling utensil, especially for the winding box of household electrical appliance power line.

Background technology

The power line of household electrical appliance is all pulled at household electrical appliance behind so that power line itself is Wrapping formed at present, after the user unclamps coiling first, just surplus line is dragged behind machine, along with the kind of household electrical appliance increases, the in disorder stand of electric wire hangs, seem disorderly and unsystematic, both having influenced indoor attractive in appearance also giving increases trouble when moving.CN2708919Y proposes a kind of bobbin winoler and restores to the original state by the spring of crispaturaing, reach and to be drawn out in the part rollback box, rely on the length of this backrush power control power line, change the phenomenon that pulls of power line, but the resilience force of spring size is proportional with the length that is drawn out owing to crispatura, it is longer to pull out length, pull-back forces is also bigger, after this makes the power line that is drawn out be inserted on the plug, this strand resilience force makes plug be in the pulling force driving status all the time, and what influence plug and socket engages fastness and reliability.Be that power line is healed long resilience force more again, vibration, float force to the power line other end during resilience are also more and more big, and these make the electric contact of electrical equipment itself be vibrated and become flexible again easily, and then influence the reliability of electric contact.If from security consideration, pull out or reclaim power line before must cut off power supply by control switch, it is rotated in the case of not charged.Also must control the velocity of rotation of power line in addition, prevent that generation is tied a knot or disorderly taken place around situation in Wiinding cartridge.

Summary of the invention

The present invention is directed to the existing defective of above-mentioned bobbin winoler, design a kind of household electrical appliance that can solve and pull power line to using and move increase convenience attractive in appearance, also can not influence reliability and fail safe that household electrical appliance use simultaneously, make the continuous perfect fashion of household electronic products, be fit to the needs of continuous development of epoch.

The design that the present invention adopts is: power cord spooling machine, it comprises Wiinding cartridge, be located at the interior reel of Wiinding cartridge and the limit wire loop at two ends thereof, establish the spring of crispaturaing that an end is connected with the roll core in the coiling axle sleeve, the axle sleeve extension that it is characterized in that winding the line is provided with the electrical connection module of being made up of skin, inner insulating layer and the conductive shaft core of coiling axle sleeve periphery; The outside of limit wire loop is provided with by arresting lever and links to each other with the vertical junction terminal, makes the skin of the axle sleeve periphery that winds the line form the stop conjugative component that one group of electric contact engages with the vertical junction terminal when stoping reel to rotate.

Described electrical connection module comprises by the skin of coiling axle sleeve periphery and its movable vertical junction terminal that contact and is located at the rotatable conductive shaft core in the axle sleeve that winds the line and does not rotate the conductive shaft core and form horizontal binding post.

Described stop conjugative component also comprise left and right sides wearing piece, about the knob that struts bar, arresting lever and its peripheral back-moving spring and be located at this arresting lever upper end.About strut bar upper end and be connected and be * font, open the lower end, basal part and left and right sides wearing piece fix, about strut the handing-over piece that bar intersects and be located at the top of vertical junction terminal and the end of arresting lever, the vertical junction terminal is a straight line with arresting lever and is connected by joining piece.When pressing the stop knob of arresting lever upper end, strutting left and right sides wearing piece on the bar about pressing force had both made, to open the symmetry that is pressed on the limit wire loop to the left and right inboard to stop its rotation, the vertical junction terminal that meanwhile promotes the lower end is toward bottom offset, make vertical junction terminal lower surface press the skin of coiling axle sleeve periphery, not only stop axle sleeve to rotate but also form the conduction joint face, produce braking action and be connected synchronization action with electric contact, both stoped the rotation of coiling axle sleeve when also promptly pressing knob, simultaneously, make one group of electric contact contact again, when pressing knob once more, because the elastic force of back-moving spring makes arresting lever and the bounce-back of vertical junction terminal upwards, electric contact disconnects, and the coiling axle sleeve is free state, can be along with pulling.With pulling wire during to appropriate length, pressing the stop knob had both stoped the coiling axle sleeve to rotate, also blocked the resilience force of the spring of crispaturaing, removed the electric wire resilience force, alleviating the electric wire tensity engages firmly plug with socket, stoped resilience force to reduce butt contact vibration, shake and pulling, the electric contact firm reliability is improved.Because braking contacts synchronously with electric contact, thereby cut off the power supply the mutual restraining function that does not wind the line when connecting again when having guaranteed coiling.Be again since when coiling the vertical junction terminal be disengaged position with the coiling axle sleeve, can effectively prevent in box knotting or disorderly around state produce.

Description of drawings

Fig. 1 is the longitudinal section view of power supply winding device structure.

Fig. 2 is A-A profile of Fig. 1.

1 wire loop that exceeds among the above-mentioned figure, 2 is power line, 3 are the spring leaf of crispaturaing, 4 are the shell fragment socket of crispaturaing, and 5 is the roll core, and 6 is reel, 7 are the coiling spoke, and 8 is input power cord, and 9 is line embedding groove, 10 is connecting groove, and 11 for not rotating the conductive shaft core, and 12 for rotating the conductive shaft core, 13 are the coiling axle sleeve, and 14 is fixation spring tab, and 15 is fixed hub, 16 is the vertical junction terminal, and 17 are following back-moving spring, and 18 is the out-put supply line, 19 strut bar about being, 20 is upper reset spring, and 21 is arresting lever, and 22 are the stop knob, 23 is Wiinding cartridge, 24 is axial groove, and 25 for strutting the bar fulcrum, and 26 is left and right sides wearing piece.

Embodiment

Below in conjunction with accompanying drawing the present invention is further described.

With reference to shown in Figure 1, Wiinding cartridge 23 comprises the spring assembly of crispaturaing, around electrical cord assembly, electrical connection module and stop conjugative component.The spring leaf 3 of crispaturaing is that the center is wrapped in outside the roll core 5 with the concentric circles canoe with roll core 5, roll core 5 one ends and Wiinding cartridge 23 are fixing, the spring leaf 3 of crispaturaing is fixing by crispatura shell fragment socket 4 of an end on the roll core 5, and the other end is fixed on the basal part of reel 6.When pulling curls power line 2 on reel 6, reel 6 rotates an end that drives the spring of crispaturaing that is fixed on reel 6 basal parts and rotates, making the spring leaf of crispaturaing is that the center rotates progressively that rolling-in produces the power of crispaturaing with its fixing roll core 5, when decontroling power line 2, be biased the spring leaf 3 of crispaturaing and drive reel 6 counter motions to recover original form, this rotatablely move identical with the motion mode of tape measure, the few description.

Around electrical cord assembly by reel 6, rotate conductive shaft core 12, coiling axle sleeve 13 and reel 6 and the coiling spoke 7 that coiling axle sleeve 13 is connected to a fixed formed.Do not rotate conductive shaft core 11, rotate conductive shaft core 12 and be electric conductor, be generally conducting metal symmetry of the same race, interface be arc surface to reduce friction and resistance, an end compresses to keep in touch tight with bow-shaped shrapnel 14.The axle sleeve that does not rotate conductive shaft core 11, rotation conductive shaft core 12 overcoats has two, the first is by the coiling axle sleeve 13 that fuses with reel 6, another is the fixed hub of fixing with coiling box body 23 15, and it is enclosed within periphery of not rotating conductive shaft core 11 and the inner chamber that winds the line axle sleeve 13.Do not rotate conductive shaft core 11, rotate conductive shaft core 12 and be enclosed within the cavity of fixed hub 15 and coiling axle sleeve 13, horizontal binding post 11,12 is made up of the rotation conductive shaft core 12 that does not rotate conductive shaft core 11 and be socketed in the coiling axle sleeve 13 that is enclosed within the fixed hub 15, when reel 6 rotated, coiling axle sleeve 13 and rotation conductive shaft core 12 were followed reel 6 and are rotated synchronously.

One group of vertical junction terminal 16 by wind the line axle sleeve 13 peripheral skins and movable contact thereof of electrical connection module is formed, and another group is by rotating conductive shaft core 12 and not rotating conductive shaft core 11 and form.Rotate conductive shaft core 12 and do not rotate 11 pairs in conductive shaft core and be connected into horizontal conductive pole, its two ends are provided with connecting groove 10, can establish nut in this connecting groove, screw rod connects part, also can adopt welding.Horizontal binding post 11,12 and vertical junction terminal 16 are the conducting metal rod, select copper or copper alloy machine-shaping usually for use.Coiling axle sleeve 13 peripheries are skin, and this conductive layer can be the plated metal conductive layer, also can be conductive metal ring, as copper or copper alloy ring.Vertical junction terminal 16 is with identical radian to keep good contact-making surface with the contact-making surface and the roll of coiling axle sleeve 13, connecting groove is also established in vertical junction terminal 16 upper ends, power line 2 is through input power cord 8 and out-put supply line 18, one extremely directly is connected on to rotate on the conductive shaft core 12 and with reel 6 and rotates synchronously, thereby produces random wrapping phenomena when preventing to wind the line.

The stop conjugative component also comprise left and right sides wearing piece 26, about strut bar 19, arresting lever 21 peripheral upper reset springs 20, be located at the vertical junction terminal 16 of arresting lever end and peripheral back-moving spring 17 thereof and be located at the stop knob 22 of arresting lever upper end.About strut bar 19 top intersect for * word, the lower end base portion fixes with left and right sides wearing piece 26 respectively, left and right sides wearing piece 26 contacts with reel 6 intrados are movable respectively.For the intrados that increases the frictional force reel can be ratchet-like, about strut bar 19 tops the two ends, crosspoint have axial groove 24, and central point is flexibly connected with latch.The lower end of arresting lever 21 with about strut bar 19 axial groove 24 be movable and contact, the upper end of vertical junction terminal 16 and about strut bar 19 axial groove be movably connected.When pressing stop knob 22, depress arresting lever 21, make to strut bar 19 about arresting lever 21 compressing and open, make left and right sides wearing piece 26 compress the inwall of reel 6, reel is stopped operating, meanwhile vertical junction terminal 16 is also to bottom offset, compress the coiling axle sleeve 13 of rotation, the energized electric contact.

Stop knob 22 is turned round key for resetting, and after pushing button, by the back-moving spring elastic reaction, it is rebounded on time again reset, and the also available Zhejiang of stop knob 22 is advanced formula and reached the control take-up speed with the control resilience force.

Except that the plug of power line one end, the electric contact in Wiinding cartridge also comprises by coiling axle sleeve 13 forms one group of input contact with overlapping the rotation conductive shaft core 12 of interlock with roll and being connected input power cord 8.By not rotating conductive shaft core 11 and turning another group output contact that coiling axle sleeve 13 and vertical junction terminal 16 and out-put supply line 18 thereof are formed.

The remarkable advantage of stop fastener is to make bobbin winoler stable working, safe and reliable.When pushing button, the normal danger of left and right sides wearing piece 26 is the left-right symmetric position, makes the braking force proportionality action in the left-right symmetric position, and brake equalization is steady.Because brake and be electrically connected synchronously, real process is to stop operating earlier, be electrically connected joint again, no power during rotation or not during energising, and this interaction energy that checks and balance effectively prevents hot line job, has increased the fail safe of household electrical appliance.

Claims

1, power cord spooling machine, it comprises Wiinding cartridge, be located at the interior reel of Wiinding cartridge and the limit wire loop at two ends thereof, establish the spring of crispaturaing that an end is connected with the roll core in the coiling axle sleeve, the axle sleeve extension that it is characterized in that winding the line is provided with the electrical connection module of being made up of skin, inner insulating layer and the conductive shaft core of coiling axle sleeve periphery; The outside of limit wire loop is provided with by arresting lever and links to each other with the vertical junction terminal, makes the skin of the axle sleeve periphery that winds the line form the stop conjugative component that one group of electric contact engages with the vertical junction terminal when stoping reel to rotate.

2, power cord spooling machine according to claim 1 is characterized in that electrical connection comprises two groups, and one group reaches the vertical junction terminal (16) that contacts with its activity by the peripheral skin of coiling axle sleeve (13) and forms; Another group is docked and is formed horizontal binding post by being enclosed within the rotation conductive shaft core (12) of coiling in the axle sleeve conductive shaft core (11) that do not rotate interior with being enclosed within fixed hub (15).

3, power cord spooling machine according to claim 1, it is characterized in that the stop conjugative component also comprise left and right sides wearing piece (26), about strut the peripheral following back-moving spring (17) of the upper reset spring (20), vertical junction terminal (16) of bar (19), arresting lever periphery and be located at stop knob (22) on the arresting lever.

4, power cord spooling machine according to claim 3, strutting bar (19) top about it is characterized in that is * the word intersection, the lower end base portion fixes with left and right sides wearing piece (26) respectively, and described left and right sides wearing piece (26) contacts with reel (6) intrados is movable respectively.

5, power cord spooling machine according to claim 3, the two ends, crosspoint that strut bar (19) top about it is characterized in that have axial groove (24).