CN2242241Y - Reel for winding long wire - Google Patents

Abstract

The utility model provides a reel for winding long wires, which comprises a casing; both ends of a mandrel are fixed on the center of the casing. A first rotating wheel is formed by the injection of plastic materials, and the side end of the peripheral face of a cylinder is provided with a plurality of clamping convex lugs by the form of the extending. A spring is a spiral spring; the inner end thereof is provided with a bend part which is fixed with the mandrel, and the outer end thereof is fixed with the first rotating wheel. A second rotating wheel is formed by the injection of plastic materials and is symmetrical to the shape of the first hub, and the second rotating wheel is provided with a circular disc and a cylinder. The center of the cylinder is provided with a hub which can be sheathed with the mandrel, and the inner side end of the circumferential face is provided with corresponding clamping holes corresponding to the convex lugs. The clamping convex lugs of the second cylinder are mutually embedded with the clamping hole of the second cylinder for causing the first rotating wheel and second rotating wheel to combine into a body. The two cylinders are positioned between the two circular discs and can rotate on the mandrel.

Description

A kind of extended line rolling wheel

The utility model relates to a kind of extended line rolling wheel, relates in particular to the electric wire rolling wheel that a kind of electric equipment uses.

As everyone knows, the electrical equipment articles for use must use the extended line of suitable length usually in order to connect battery socket, then must utilize a rolling wheel to use and furl to make things convenient for pulling out of extended line when extended line length is longer.

Habitual extended line rolling wheel kind is a lot, known prior art more relevant with this case in patent document such as US Patent 4726538, it is combined by a runner body and side plate, it is characterized in that utilizing specially designed engaging position to make up mutually and in conjunction with spring, pawl member.The prior art is that habitual extended line rolling wheel has improvement in many little places, but keystone configuration is still identical with habitual person substantially, also being about to wiring element that spring, extended line energising draw etc. all is installed in the same runner body, with a metal side plate capping, not only its parts is a lot of again, and must assemble wiring assembling conducting element and spring on same runner body one by one, the capping side plate is finished the assembling of runner again, its assembling operation is also inconvenient, and more time-consuming, manufacturing cost is higher.

Main purpose of the present utility model is to provide a kind of extended line rolling wheel, rolling wheel can be divided that two parts are assembled, rapidly combination again, and Assembling Production efficient is improved, and combine and assemble is easy.

Of the present utility model time a purpose is to provide a kind of extended line rolling wheel, utilizes plastic rubber ejaculate molding each part and structure, reduces number of components, makes the more accurate and simplification of mutual component assembly.

For reaching above-mentioned purpose, the utility model extended line rolling wheel comprises a shell; One axle is positioned at this shell center, and its two ends and shell are fixed; One first runner body, be plastic cement one-body molded have a big disk side plate and axially central authorities have a cylinder, this cylinder is the single face opening, its periphery medial extremity has most engaging lugs, one-body molded on the lateral surface have a umbrella shape tooth piece; One spring is scroll and reels, and reinstalls in the central cylinder of this first runner body, and an end of spring is bending, can be embedded on this axle, and the other end is embedded in the shell wall of this first runner body; One second runner body, for plastic cement integrally formed, with this first runner body shape symmetry, having its central authorities of discoid side plate is second cylinder of an indent, this second cylinder bottom periphery is provided with several breach, can insert and chimeric mutually fixing for the engaging lug of this first runner body, the center has a hub that protrudes and is placed in axle in order to pivot, can be in this second cylinder for packing the wiring conducting element into, it is upright that but this first runner body of mat and the second runner body have first cylinder and the second cylinder individual groups respectively, and both can engage rapidly and the group of finishing the runner body is stood on the axle mutually at last.

Time lateral surface that is characterised in that this first runner body of the utility model extended line rolling wheel is with the one-body molded umbrella shape tooth piece of plastic cement, must engage mutually with a ratchet piece of casing wall and makes the runner body only make unidirectional rotation.

About detailed construction function of the present utility model and characteristics, can cooperate graphic detailed description and get fully understanding by following examples.

Fig. 1 is the utility model extended line rolling wheel exploded perspective view.

Fig. 2 is that the identical rolling wheel of Fig. 1 is by the exploded perspective view of watching on the other hand.

Fig. 3 is the assembled sectional view of Fig. 1 extended line rolling wheel.

As Figure 1-3, this extended line rolling wheel comprises that an assembly housing 11,12 lays respectively at the two ends of an axle 13, it is sealed fixing to utilize screw 14,15 to give, wherein these shell 11 inboards more are provided with a pivot pin 16 and are pivoted with a ratchet piece 17 and cooperate springs (showing on the figure) drawing to make it to axle 13 direction deflections, and this axle 13 is provided with slotted eye 18.One first runner 20 is a plastic rubber ejaculate molding, have one first disk 21 and one first cylinder, 22 two parts, these disk 21 external diameters are less than shell 11, but its central authorities are a circular hole 23 proper pivots is placed in this axle 13 1 ends, and its lateral surface and this circular hole 23 be concentric to have a crowngear 24 and is shaped in this disk 21 outer sides, just can engage mutually, be provided with most holes 25 that lack on this disk 21 in addition to reduce the weight of plastic cement with this ratchet piece 17; This first cylinder 22 is to be positioned at inboard the centre, and its periphery is provided with a slotted eye 26 at least, and its circumferential end surfaces is provided with four engaging lugs 27 that shape is identical, and its inboard is provided with a catch 28.One spring 30 is a scroll-type spring, and its inner has an inner fold 31 and just can be embedded in the slotted eye 18 of this axle 13 and locate, and its outer end one blocking part 32 just can be embedded between this catch 28 and the barrel and crispatura in this cylinder 22.One second runner 40 is also by plastic rubber ejaculate molding, its shape and first runner, 20 symmetries, have one second disk 41 and one second cylinder, 42 2 main portions, this second disk 41 is identical with the similar external diameter of first cylinder, 21 shapes, and its side face is provided with most scarce holes 43 to reduce the plastic cement materials; These cylinder 42 external diameters are identical with cylinder 22,44 inboards are provided with a wheel hub 45 at the bottom of it, but its center is an axis hole 46 proper pivots to be placed on this axle 13, and with respect to this four engagings lug 27 at the bottom of it 44 peripheries be provided with four connecting holes 47, this four engagings lug 27 just can insert four connecting holes 47 and be embedded at the bottom of this 44, make two cylinders 22 relative with 42 in conjunction with fixing, then this first runner 20 combines with this second runner 40 and is fixed into a reel, utilizes between this two disk 21 and 41 medial surfaces winding cables on cylinder; In addition, these cylinder 42 inner spatial accommodations 48 can be for assembling conductive connection element (not showing on the circle), and this second disk 41 and 42 of second cylinders are provided with some its structures of reinforced ribs 49 reinforcement.

During the assembling of this extended line rolling wheel, the inner fold 31 with spring 30 is embedded in the slotted eye 18 of axle 13 earlier, and spring 30 is crispaturaed pack in the cylinder 22 of first runner 20, this blocking part 32 is embedded in this catch 28 and locatees; The conductive connection elements (with known identical) of can packing in advance in the cylinder 42 of this second runner 40, also promptly this first runner 20 is to finish assembling individually, axis hole 46 with second runner 40 is inserted on this axle 13 again, and the engaging lug 27 that makes cylinder 22 is embedded in these connecting hole 47 places respectively and combines with fixing, make two cylinders 22 and 42 close and firm, make this first and second runner 20,40 be combined into one to be positioned on shell 11,12 internal mandrel 13 and rotated, its fit is simple and feasible very.Can be on these cylinder 22,42 side faces for the electric wire of coiling equivalent length, when electric wire (on the figure show) drawing goes out shell 11,12, to drive this runner 20,40 rotates and packing spring 30, and utilize ratchet piece 17 to block crowngear 24 and locate, when in case ratchet piece 17 discharges, this spring 30 forces runner 20,40 counter-rotatings and electric wire is furled, and partly manner of execution is identical with habitual person for this, holds and does not give unnecessary details.

According to above-mentioned explanation as can be known, the utility model extended line rolling wheel principal character is this first runner, 20 second runners, 40 constructional innovative designs, make its easier manufacturing, assembling and combination, and can respectively the part that should assemble on first runner 20 and second runner 40 be assembled into a monomer earlier, last mutually nested combination gets final product, and really is the utility model of a tool progressive effect.

Claims (3)

1. an extended line rolling wheel comprises a shell; One axle, two ends are fixed in this shell center; One first runner is a plastic rubber ejaculate molding, has one first disk and one first cylinder two partly, and its central authorities have a circular hole, and this first cylinder side face side extension is provided with several engaging lugs; One spring is a volute spiral spring, and its inner has an inner fold to be fixed on this axle, and its outer end has a blocking part to be fixed on this first runner; One second runner is that plastic rubber ejaculate molding and this first runner shape are symmetrical, have one second disk and one second cylinder two parts, but this second cylindrical center is outstanding to be had a wheel hub pivot and is placed on this axle, this second cylinder bottom surface medial extremity is provided with relative connecting hole corresponding to this engaging lug position, make this first runner and second runner with relative chimeric being combined into one of two cylinders, this two cylinders interface can rotate on this axle between this two disk.

2. extended line rolling wheel as claimed in claim 1 is characterized in that wherein the outside of this first disk is provided with a crowngear with plastic cement one-body moldedly, must engage the location mutually with a ratchet of this shell inboard.

3. extended line rolling wheel as claimed in claim 1 is characterized in that, wherein this axle is provided with a slotted eye and can embeds the location for the inner bending end of this spring.

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