CN2830019Y

CN2830019Y - Single rotating razor

Info

Publication number: CN2830019Y
Application number: CN 200520116581
Authority: CN
Inventors: 应平祥
Original assignee: CHAOREN GROUP CORP Ltd
Current assignee: CHAOREN GROUP CORP Ltd
Priority date: 2005-11-18
Filing date: 2005-11-18
Publication date: 2006-10-25
Anticipated expiration: 2015-11-18

Abstract

The utility model relates to a single-head rotating razor, wherein a knife holder at a head of the razor can be driven by a motor in the inner part of a machine body to make rotating movement relatively to a net cover in the net cover; the net cover can be detachably connected with the machine body in a screw connection mode. The utility model is characterized in that a power supply circuit of the motor is provided with a safety protection device of which the actions are triggered by position change between the net cover and the machine body; when the razor is under the state of normal operation, the circuit is switched on, and the knife holder driven by the motor does normal rotation; once the screw connection between the net cover and a motor seat is loosened, or the net cover is to drop off the motor seat, the circuit is switched off and the knife holder stops rotating. Thus, a shaved person can be kept away from the danger of pains for napping and skin scuffing and the utility model provides safety protection for the shaved person.

Description

The single head rotary shaver

Technical field

The utility model relates to a kind of razor structure, relates in particular to the safeguard protection of shaving to the single head rotary shaver.

Background technology

The single head rotary electric shaver is made of fuselage and two parts of head: its fuselage comprises housing, is positioned at the motor cabinet at position, housing upper end, is connected motor and current supply circuit on the motor cabinet; Head is made up of guard and knife rest; Knife rest is rotated with respect to guard by motor-driven, shaves except that beard by means of the shear action of razor blade cutting edges on the knife rest and the relative motion of guard inner surface.This razor structure is simple, low price, loom are small and exquisite, convenient and practical, has a great sale on shaving of man cutter market.

But because what adopt between the guard of this shaver and the fuselage is dismountable being threaded, and the person of shaving normally allows shaver guard outer surface be close to skin of face when using shaver, and circuitous repeatedly moving shaved except that beard on face contour.Like this, when shaving, in the process of shaving, just exist guard and be threaded with fuselage and released, cause razor blade cutting edges to contact lax shearing deficiency with the guard inner surface and cause the plucking that shaves, make the phenomenon of the person's of shaving feels pain discomfort with this shaver; Even also have guard once in a while and come off from motor cabinet, cause the razor in the rotation to expose, the situation that directly scratches the person's of shaving skin of face takes place.When above-mentioned fortuitous event occurring, shaving with this single head rotary shaver just may produce harm to personal safety.

The utility model content

The technical assignment of the technical problems to be solved in the utility model and proposition is to overcome the uncomfortable even unsafe defective that shaves that causes because of releasing that prior art exists; a kind of single head rotary shaver is provided; so that the person of shaving avoids the pain of plucking and the danger that skin is scratched, for the person of shaving provides the safeguard protection of shaving.For this reason, the utility model is by the following technical solutions:

A kind of single head rotary shaver; the knife rest of its head can be rotated with respect to guard in guard by the motor-driven of fuselage interior; described guard is detachably connected on the fuselage with thread connecting mode, it is characterized in that the current supply circuit of described motor is provided with the safety guard that is triggered its action by the change in location of described guard and fuselage.

Compact conformation is reasonable when making such scheme be applied on the product, flexible movements between each member, and the utility model also comprises following additional (specifically) technical characterictic, selects employing when implementing:

Described safety guard comprises being arranged on and triggers the elastic contact chip that it connects or disconnects current supply circuit by the change in location of described guard and fuselage on the described current supply circuit.

Guiding has the push rod that contacts of two ends corresponding described elastic contact chip of difference and guard on the described fuselage, thereby the change in location of the relative fuselage of described guard is passed to described elastic contact chip to connect or disconnect current supply circuit.

The upper end of described body shell is fixed with motor cabinet, and the edge of described motor cabinet offers guide slide, and described contact push rod is positioned at this guide slide.

Described elastic contact chip is assemblied in the downside of this motor cabinet.

Described guard lower end is arranged to and the described annular end face that contacts the push rod contact.

The utility model is in order to release at guard and motor cabinet connecting screw; cause the razor on the knife rest to contact lax with the guard inner surface; thereby cause that the plucking that shaves causes under the situation of cutaneous pain discomfort to the person of shaving; perhaps come off from motor cabinet at guard; cause the rotation razor to expose and touch skin; may scratch under the fortuitous event of the person's of shaving face; the user provides the safeguard protection of shaving for shaver, and the utility model is provided with safety guard on the motor cabinet parts of shaver and guard parts.This safety guard presses key to form by contact push rod, push rod positioning and guiding sliding channel, elastic contact chip and push rod; wherein; push rod positioning and guiding sliding channel and elastic contact chip are arranged on the motor cabinet structure; the contact push rod advances in the push rod positioning and guiding sliding channel by the assembling intercalation, and push rod presses key promptly to be served as by the lower end anchor ring of guard.In order to improve the dependability of safety guard; described elastic contact chip is made of two high conductive sheet metals; a slice in two contact chips maintains static; as quiet contact chip; another sheet is a moving contacting plate, does the time spent being subjected to pushing force, and this moving contacting plate promptly occurs bending and deformation; contact with quiet contact chip; make circuit turn-on, open the shaver switch this moment, drive motors will drive the knife rest rotation; and in case remove pushing force; moving contacting plate will restore to the original state immediately by means of self superior elasticity, disengage with quiet contact chip; circuit disconnects at once, knife rest stall at once.

When being tightened, the connecting screw of guard and motor cabinet is screwed to the position; after the razor tool tip installation; guard lower end anchor ring will be brought into play the function that its safety guard push rod is pressed key; the contact push rod is pressed to the closely degree of the quiet contact chip of contact of moving contacting plate that makes downwards; make circuit turn-on; open the shaver switch this moment; shaver just enters normal operating conditions; motor rotation drives knife rest and rotates to shave except that beard with respect to guard; and in case guard occurs and the motor cabinet connecting screw releases or guard will come off from motor cabinet fortuitous event; guard lower end anchor ring imposes on the pressure of contact on the push rod and will develop in incident and eliminate before personal injury danger occurring in advance; moving contacting plate dependence self elasticity sets back; disengage with quiet contact chip; cut off circuit; motor is stopped operating, the knife rest stall, thus provide the safeguard protection of shaving reliably for the person of shaving.

Below in conjunction with specification drawings and specific embodiments the utility model is done detailed description.

Description of drawings

Fig. 1: single head rotary shaver cutaway view.

Fig. 2: the utility model shaver guard schematic perspective view.

Fig. 3: one of the utility model shaver motor cabinet schematic perspective view.

Fig. 4: two of the utility model shaver motor cabinet schematic perspective view.

The specific embodiment

Below in conjunction with description of drawings, the utility model is further described by embodiment.

Fig. 1 is the complete machine cutaway view of the utility model embodiment single head rotary shaver, from Fig. 1 as seen, the head M of shaver is made up of guard 1 and knife rest 2, fuselage N comprises housing 4, be positioned at position, housing upper end motor cabinet 3, be connected the switch that motor 5 (referring to Fig. 3,4) on the motor cabinet 3 and current supply circuit and control current supply circuit open and close: motor cabinet 3 is positioned at the position, upper end of shaver housing 4.Fig. 2, Fig. 3 represent the shaver parts guard 1 relevant with the safety guard that shaves is set and the schematic perspective view of motor cabinet 3 respectively with Fig. 4.Can see that by Fig. 1 to Fig. 4 guard 1 and motor cabinet 3 removably connect with thread connecting mode, and knife rest 2 can be driven and rotate with respect to guard 1 by motor 5.

From Fig. 2 to Fig. 4 as seen, the motor cabinet 3 and the guard 1 of shaver are provided with the safety guard that shaves, and this safety guard is by contacting push rod 31, pressing key 11 to be formed to guide slide 32, elastic contact chip 33 and the push rod of contact push rod 31 positioning and guidings.Wherein, contact push rod 31, guide slide 32 and elastic contact chip 33 are arranged on the motor cabinet 3, and push rod presses key 11 promptly to be served as by the lower end anchor ring of guard 1.Moving contacting plate 33 (A) and two of quiet contact chips 33 (B) that elastic contact chip 33 is made by metal good conductor material are formed.

Put in place when guard 1 and motor cabinet 3 are spirally connected finish razor tool tip and install after (referring to Fig. 1), the lower end anchor ring 11 of guard 1 will push contact push rod 31 tightly downwards, cause moving contacting plate 33 (A) well to contact with quiet contact chip 33 (B), make circuit turn-on, if at this moment open the shaver switch, shaver just enters normal operating conditions, and motor 5 rotating band movable knife racks 2 rotate (referring to Fig. 1) with respect to guard 1, to shave except that beard.And in case occur that guard 1 releases with motor cabinet 3 connecting screws or guard 1 will be from fortuitous event that motor cabinet 3 is deviate from the time; at first take place will be guard 1 lower end anchor ring 11 with contact push rod 31 and disengage; the downforce that acts on the contact push rod 31 is eliminated; like this; the moving contacting plate 33 (A) of elastic contact chip 33 will set back (as shown in Figure 3) because of himself excellent elasticity immediately; so throwing off with quiet contact chip 33 (B), moving contacting plate 33 (A) contacts; cut off circuit; motor 5 and knife rest 2 are stopped operating immediately; thereby make the person of shaving avoid the injury of rotating blade, the user for the single head rotary shaver provides the safeguard protection of shaving effectively.

Claims

1, a kind of single head rotary shaver; the knife rest of its head can be rotated with respect to guard in guard by the motor-driven of fuselage interior; described guard is detachably connected on the fuselage with thread connecting mode, it is characterized in that the current supply circuit of described motor is provided with the safety guard that is triggered its action by the change in location of described guard and fuselage.

2, single head rotary shaver according to claim 1 is characterized in that described safety guard comprises being arranged on to trigger the elastic contact chip that it connects or disconnects current supply circuit by the change in location of described guard and fuselage on the described current supply circuit.

3, single head rotary shaver according to claim 2, it is characterized in that guiding has the push rod that contacts of two ends corresponding described elastic contact chip of difference and guard on the described fuselage, thereby the change in location of the relative fuselage of described guard is passed to described elastic contact chip to connect or disconnect current supply circuit.

4, single head rotary shaver according to claim 3 is characterized in that the upper end of described body shell is fixed with motor cabinet, and the edge of described motor cabinet offers guide slide, and described contact push rod is positioned at this guide slide.

5, single head rotary shaver according to claim 4 is characterized in that described elastic contact chip is assemblied in the downside of described motor cabinet.

6,, it is characterized in that described guard lower end is arranged to and the described annular end face that contacts push rod contact according to claim 3,4 or 5 described single head rotary shavers.