CN2207268Y - Miniature pull razor - Google Patents

Abstract

The utility model relates to a miniature pull razor. The utility model is mainly composed of a casing, blades, a net, a unilateral driving gear, and a driving and resetting gear. The casing is connected with a fixing shaft; the fixing shaft is connected with big gear wheels in the sliding connection; springs and pulling ropes are arranged inside the grooves of the big gear wheels; a rotating shaft which is fixed on the casing is connected with small gear wheels in the sliding connection; the small gear wheels are connected with inertia wheels in the unilateral mode. When the pulling ropes are pulled out, the big gear wheels which are arranged inside the driving and resetting gear drive the small gear wheels; when the pulling ropes are released, the big gear wheels drive the small gear wheels to rotate backwards because of the resetting functions of the springs. The shaver task can be run by that the inertia wheels and the rotating shaft are driven to rotate together by the combination of the small gear wheels and the inertia wheels.

Description

Miniature pull razor

It is the razors of power that the utility model relates to the pulling force, belongs to the daily necessities field.

The new-type razors of selling on market is generally the driven by power formula, be that power source is particularly general particularly with dry cell, its structure is to have the guard of porous and be positioned at the inner rotatable blade of guard to cooperate, blade contacts with the guard wall, guard contacts with beard in the hole that beard stretches into guard when shaving, along with the blade rotation shaves off beard.Blade rotation required drive is to be supplied with by the dry cell of device in shaving apparatus, and this shaving apparatus is brought great convenience to people's life, and men have been saved when shaving to the step that is coated with perfumed soap or shaving cream on the face, has made things convenient for life.But this is that the shaving apparatus of power also has its weak point with the battery, at first be after battery has used a period, during power shortage, the moment of torsion of blade rotation is reduced, cause clamping beard when shaving, shave not only not bright and clean and make the people uncomfortable, next is operation in the open air or frontier guards campsite, the dry cell supply is untimely, and then this razors just can not play a role, and makes troubles to people's life.

The purpose of this utility model is to solve the above-mentioned weak point of existing razors, provides a kind of without dry cell, and is the device of drive power source razor blade with the pulling force of manpower, need only rope pulling gently during use, and blade is rotated shave.This apparatus structure is compact simple, and profile is little, and is in light weight, and the operation torque that shaves is stable, can not cause the phenomenon of blade and guard clamping beard because of the battery electric power deficiency, still can use when in frontier guards or field work dry cell and electric power shortage.

The purpose of this utility model is to realize like this, it comprises housing 10, knife rest 12 and guard 11, its transmission device comprises the unidirectional drive device and drives resetting means, driving resetting means is contained on the housing for not rotatable fixed axis 3, fixed axis connects gear wheel 5, and spring 15 and stay cord 1 are arranged in the gear wheel.The unidirectional drive device is to fix rotating rotating shaft 14 on the housing, fixing pinion 6 and the flying wheel 9 that meshes with gear wheel on the rotating shaft.Pinion is unidirectional the connection with flying wheel.

Because of the two ends of dead axle 3 are contained on the housing 10 un-rotatably, the gear wheel 5 that spring 15 is housed in recess 13 is installed on the fixed axis, an end of spring 15 tightly is associated in the breach 17 of recess, and the other end tightly is associated in the fixed axis 3 corresponding breach 18.

There is an annular groove 7 that is wound with stay cord 1 end of gear wheel 5, and an end of stay cord 1 is fixed on the annular groove 7, and the other end passes by the aperture of housing 10 bottoms, and links with pull handle 2.

Two ends of rotating shaft 14 are contained on the housing 10, axle head is equipped with knife rest 12, the other end is equipped with and gear wheel 5 pinion in mesh 6, the recess of the flying wheel 9 of the end flange 4 of pinion 6 on same axle is sleeved on slidably, one elongate slots 16 is arranged on the flange 4, ball 8 is housed in the groove, distance between the recess inner surface D of the size one end flying wheel of groove and the lower surface C of this groove is greater than the diameter of ball, this end is called wide end, the other end at groove, the distance of D face and C face is less than the diameter of ball 8, and this end is called narrow end.

When shaving, pulling stay cord 1, make gear wheel 5 rotations, driving pinion 6 also rotates, make the ball 8 that is arranged in elongate slots 16 be in the wide end place of elongate slots 16, distance between the recess inner surface D of flying wheel and the elongate slots lower surface C is greater than the diameter of ball 8, though be pinion 6 rotations, and flying wheel 9 does not change, flying wheel recess inner surface D is with keeping slip relatively between the pinion flange outer surface, this moment, rotating shaft 14 did not change, knife rest 12 does not change yet, when loosening this stay cord 1, because the recovery elastic force of spring 15, gear wheel 5 is reversed to be resetted, also driving pinion 6 reverses, make ball 8 be positioned at the narrow portion of elongate slots 16 this moment, be the recess inner surface D of flying wheel and the distance between the elongate slots lower surface C less than ball 8 diameters, ball 8 blocks these two faces and makes pinion 6 drive flying wheels 9 to reverse together, and driven rotary axle 14 and knife rest 12 rotate and shave, when rotating speed reduces, can continue to spur stay cord 1, blade has recovered rotation at a high speed, pulling and so forth again, can make blade 12 rotations more than, shave continuously.

Further introduce below in conjunction with drawings and Examples.

Fig. 1 is the cross-sectional view of miniature spring shaver.

Fig. 2 is that the A-A of Fig. 1 is to cutaway view.

Be illustrated in figure 1 as an embodiment of the present utility model, its structure as mentioned above.The right-hand member of housing 10 is equipped with the guard 11 that shaves, the knife rest 12 that blade is housed is fastened on rotating shaft 14 1 ends that are positioned on the housing 10, the blade and the guard of the common electric shaver of selling on this knife rest 12 and guard 11 and the market are close, on rotating shaft 14, flying wheel 9 and relatively turnable pinion 6 also securely are housed, the flange 4 of pinion is positioned at the recess of flying wheel 9, as Fig. 2, can slide relatively between the garden shape recess inner surface D of the outer surface B of flange 4 and flying wheel 9, on flange 4, have the elongate slots 16 of the ball 8 of packing into, the size of elongate slots can make ball 8 when the left extreme position of this elongate slots 16, distance between the inner surface D of flying wheel 9 recesses and the lower surface C of elongate slots is greater than the diameter of ball 8, be wide end, when the right-hand member place of elongate slots 16, the distance of A face and C face is narrow end less than the diameter of ball 8.

It is square fixed axis 3 that one left end also is housed in housing 10 bottoms, do not have between this axle and the housing 10 and relatively rotate, gear wheel 5 with pinion 6 engagements is housed on fixed axis 3 slidably, be wound with stay cord 1 in the right-hand member annular groove 7 of gear wheel 5, one end of stay cord is fixed on the annular groove, the other end passes housing 10 bottoms and connects pull handle 2, the left end of gear wheel 5 has the recess 13 of a built-in spring 15, spring 15 is clockwork spring shapes, the one end is clamped in the recess breach 17 of gear wheel 5, the tight iron chains of the other end are in the breach 18 of axle 3, its job step is: when downward pulling pull handle 2, stay cord 1 is drawn out, drive the effect that gear wheel 5 overcomes spring 15, by rotating in the opposite direction shown in Fig. 2 with K, driven pinion 6 then by rotating in the opposite direction with M shown in Fig. 2, ball 8 is along with the rotation of pinion 6 in this moment elongate slots, be placed in the left end of this elongate slots, because the distance between the D of left end place face and the C face is greater than ball 8 diameters, so flying wheel 9 do not rotate, the relative slip of generation between D face and the B face.When unclamping stay cord 1, because the recovery elastic force effect of spring 15, gear wheel 5 is reversed, promptly along K to rotation, driving pinion 6 reverses, promptly along M to rotation, make ball 8 draw narrow portion in elongate slots, promptly the distance between the lower surface C of the recess inner surface D of flying wheel 9 and elongate slots 16 is stuck between surperficial D and the surface C ball 8 less than ball 8 diameters, pinion 6 drives flying wheel 9 and rotates together, because flying wheel 9 and rotating shaft 14 tighten together, so driven rotating shaft 14 rotations that knife rest 12 is housed, the work of shaving, when rotating speed reduces, can continue pulling and loosen this rope, blade has recovered rotation at a high speed again, spurs and so forth and loosens, can make the blade rotation more than, shave continuously.

Claims (4)

1, a kind of miniature spring shaver, comprise housing 10, knife rest 12 and guard 11, the transmission device that it is characterized in that it comprises the unidirectional drive device and drives resetting means, described driving resetting means is that housing is connected and fixed axle 3, fixed axis 3 gear wheel 5 that is slidingly connected has spring 15 and stay cord 1 in the gear wheel, described unidirectional drive device is a fixing rotating shaft 14 on the housing, rotating shaft connects pinion 6 and flying wheel 9, and pinion is unidirectional the connection with flying wheel.

2, shaver according to claim 1 is characterized in that described spring 15 one ends are installed in the breach 18 of fixed axis 3, and the other end is installed in the breach 17 of recess 13 of gear wheel 5.

3, shaver according to claim 1 is characterized in that the end of described gear wheel 5 has the annular groove 7 that twines stay cord 1 usefulness.

4, shaver according to claim 1, it is characterized in that described ball 8 is installed in the elongate slots 16 on pinion 6 flanges 4, distance between the recess inner surface D of elongate slots 16 1 end flying wheels 9 and the lower surface C of this groove is greater than the diameter of ball 8, and the distance of its other end is less than the diameter of ball 8.

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