CN114290381A - Reciprocating electric shaver - Google Patents

Abstract

This scheme provides a reciprocating type electric shaver, including adorning outer cutter mesh and the interior cutter head that is adorned on first mount and has a plurality of pore of advancing, interior cutter head is installed on interior cutter holder, interior cutter holder lower part center has the driver, and the below of interior cutter holder is installed elastic support spare of elastic sheet integrated into one piece, elastic support spare include central body from the center to both ends in proper order, from the vertical sunken portion that sinks respectively in central body both ends, buckle oblique ascending oblique arm, in both ends and upper band and interior cutter holder under the bellied horizontal shoulder of bottom surface butt cooperation, central body center open and supply the driver to pass and the direction guide through hole of direction, the driver take spacing reciprocating motion in the guide through hole. Because the structure of center body both sides plays buffering absorbing effect, and two relatively independent elastic construction have improved buffering shock attenuation effect more greatly.

Description

Reciprocating electric shaver

Technical Field

The invention relates to an electric shaver, in particular to a reciprocating electric shaver.

Background

In the razor trade, the tool bit of taking side sword and middle sword is because upper and lower assembly structure, and it is whole tool bit floating generally, adopts to adopt compression spring or elastic component to realize in the tool bit bottom promptly, and the regulation nature is poor, can't accomplish all the time to hug closely the relation with the outer sword after long-term the use, and it can appear dragging palpus or shaving effect phenomenon such as not good, and the whole height of tool bit can't compress, and reciprocating motion inertia is big, and whole razor vibrates greatly, brings the not good shaving experience for the consumer because the vibration when shaving like this.

Disclosure of Invention

The invention provides a reciprocating electric shaver with low noise, high efficiency, stability, simple and reliable structure.

In order to solve the technical problems, the invention adopts the following technical scheme: the elastic support piece sequentially comprises a central body fixedly supported and connected on a first fixing frame and a cross rib of the first fixing frame, sinking parts vertically sinking from two ends of the central body, oblique tilting arms bending upwards, horizontal shoulder surfaces at two ends and provided with an abutting joint and an abutting joint with the lower bottom surface of the inner tool apron, and a cross rib clamp in a movable tool space formed by the two sinking parts, so that the elastic support piece is transversely limited on the first fixing frame, the two horizontal shoulder surfaces are in the same horizontal plane with the central body in a free state, the supporting fulcrum of the elastic supporting piece on the inner cutter holder is below the plane height of the central body, the center of the central body is provided with a guide through hole for the driving piece to pass through and guide, and the driving piece performs limited reciprocating motion in the guide through hole.

As an improvement: the casing in still be equipped with the second mount and install the second tool bit group on the second mount, second tool bit group moves the sword including the second stationary knife that is equipped with a plurality of outside extension stationary knife sword tooth, is equipped with a plurality of outsides and extends the second that moves sword tooth, moves the shear plane of sword tooth and the shear plane looks butt of stationary knife sword tooth, moves the sword tooth and does reciprocating motion in order to cut hair relatively stationary knife sword tooth, the terminal circular arc end that is of stationary knife sword tooth of second stationary knife, be equipped with the perforation that supplies the driver to pass on the second stationary knife body.

As an improvement: the bottom clamping groove of the second movable cutter is connected with a second movable cutter holder, second elastic pieces are arranged at two ends of the bottom of the second movable cutter holder respectively, a transmission head matched with the driving unit is arranged at the center of the upper surface of the second movable cutter holder, and a second driving unit matched with the eccentric shaft in a driving mode is arranged at the center of the lower surface of the second movable cutter holder.

As an improvement: the front hole edge and the rear hole edge of the central body guide through hole are respectively provided with two in-hole downward-folding lug plates formed by downward stamping or direct injection molding, the front outer wall and the rear outer wall of the driving element are provided with convex ribs abutted to the in-hole downward-folding lug plates, and the top ends of the convex ribs are arc surfaces.

As an improvement: the top of the bulge is a circular arc surface.

The beneficial effects provided by the invention are as follows: firstly, because the first cutter head group is internally provided with the independent elastic supporting piece which exerts the upward jacking force on the inner cutter head, the attaching degree of the inner cutter head to the outer cutter net can be automatically compensated and adjusted, so that the inner cutter head and the outer cutter net can be always closely attached and matched, the service life of the cutter head is prolonged, and the shaving efficiency is improved. Secondly, the whole first tool bit group is arranged on the first fixing frame, so that the first tool bit group forms a relatively independent tool bit group, the tool bit group is very convenient to disassemble, assemble, replace, maintain and the like, and the structure is modularized. Moreover, compared with the U-shaped elastic piece in the existing shaver, the central body and the sunken part of the elastic support piece form a structure for supporting and limiting the elastic support piece on the first shell, the elastic functional shoulders at two sides, namely the inclined tilting arms and the horizontal shoulder surface, form a joint compensation structure, and the unique structure simultaneously has and realizes the following functions: after elastic support piece and interior tool bit mating reaction, the supporting fulcrum of the internal tool apron of elastic support piece is in the below of center body place plane height to reduce the inertia influence of the highly ability greatly reduced reciprocating motion of strong point, reduce the vibration of whole machine, avoid shaking first phenomenon, the shock attenuation effect is showing, improves the comfort level that the user used and experienced. And the overall height of the resilient support is greatly reduced. Moreover, the elastic supporting piece passes through the bulge and the inner cutter head, the friction surface is small, the relative motion is smoother, the required current loss is very small, and the problems of high temperature rise and high noise are effectively avoided.

The invention is described in further detail below with reference to the figures and examples.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a reciprocating electric shaver provided in the present invention.

Fig. 2 is a schematic structural view of the bottom of the first blade group.

Fig. 3 is a schematic view of an exploded structure after the case is removed.

Fig. 4 is a schematic structural view of the elastic support member and the inner tool holder of fig. 2.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, it should be understood that the terms "connected," "fixed," and the like are used in a broad sense, and for example, the terms "connected," "connected," and "fixed" may be fixed, detachable, or integrated; may be directly connected or indirectly connected through an intermediate. Unless explicitly defined otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1, 2, 3 and 4, an embodiment of the reciprocating electric shaver according to the present invention includes a housing 1, a first fixing frame 2 connected to the housing 1, a first blade group mounted on the first fixing frame 2, a second fixing frame, and a second blade group mounted on the second fixing frame, wherein third elastic bodies 9 for floating the first blade group up and down are disposed at bottoms of two ends of the first fixing frame 2, and the first blade group is integrally implemented by third elastic bodies 9 disposed below two sides of the first fixing frame 2.

The first cutter head group sequentially comprises an outer cutter net 11, an inner cutter head 12, an inner cutter seat 13 and an elastic supporting member 15 which is integrally formed by elastic sheets, wherein the outer cutter net 11, the inner cutter head 12 and the inner cutter seat 13 are fixedly arranged on the first fixing frame 2 and are provided with a plurality of pores, the inner cutter head 12 is arranged on the inner cutter seat 13, a driving element 14 is arranged in the center of the lower part of the inner cutter seat 13, the elastic supporting member 15 which is integrally formed by the elastic sheets is arranged below the inner cutter seat 13, and the elastic supporting member 15 is made of metal elastic sheets to prolong the service life and resist wear. The elastic supporting member 15 comprises a central body 151 fixedly supported and connected on the span rib 8 of the first fixing frame 2 from the center to two ends in sequence, sinking parts 152 vertically sinking from two ends of the central body 151 respectively, oblique tilting arms 153 bending upwards, horizontal shoulder surfaces 154 at two ends and with upper belts matching with the lower bottom surface of the inner tool apron 13 in an abutting way, the span rib 8 is clamped in the two sinking parts 152 to form a moving blade space, so that the elastic supporting member 15 is transversely limited on the first fixing frame 2,

the top of the bulge 155 is an arc surface, so that the friction surface of the bulge 155 and the inner cutter head is only the top point of the bulge and is in point contact, the required current is small, and the problems of high temperature rise and high noise are effectively avoided. The distance between the two bulges 155 is small, the inner knife and the transverse length of the knife holder are small, the two horizontal shoulder surfaces 154 are in the same horizontal plane with the central body 151 in a free state, the supporting fulcrum of the inner knife holder 13 of the elastic supporting piece 15 is below the plane height of the central body 151, the height of the supporting point can be reduced, the inertia influence of reciprocating motion can be greatly reduced, the head shaking phenomenon is avoided, the damping effect is obvious, the center of the central body 151 is provided with a guide through hole 156 for the driving piece 14 to pass through and guide, and the driving piece 14 carries limiting reciprocating motion in the guide through hole 156. Two in-hole downward-folding lugs 157 formed by downward stamping or direct injection molding are respectively arranged on the front and rear hole edges of the guide through hole 156 of the central body 515, convex ribs 141 abutted against the in-hole downward-folding lugs 157 are arranged on the front and rear outer walls of the driving part 14, and the top ends of the convex ribs 141 are arc surfaces. The ribs 141 greatly reduce the frictional resistance to the outside of the driver 14 during the reciprocating motion, and thus reduce the current required for driving the motor, and greatly reduce the temperature rise and noise.

The second tool bit group moves sword 22 including being equipped with the second stationary knife 21 of a plurality of outside extension stationary knife sword tooth, being equipped with a plurality of outside extension second that moves the sword tooth, moves the shear plane looks butt of sword tooth and stationary knife sword tooth, moves the relative stationary knife sword tooth of sword tooth and is reciprocating motion in order to cut hair, the stationary knife sword tooth end of second stationary knife is the circular arc end, be equipped with the perforation that supplies driver 14 to pass on the second stationary knife 21 body. Simple structure, assembly processing is convenient. The bottom clamping groove of the second movable knife 22 is connected with a second movable knife holder 23, two ends of the bottom of the second movable knife holder 23 are respectively provided with a second elastic part 24, the center of the upper surface of the second movable knife holder 23 is provided with a transmission head 231 matched with the driving part 14, and the center of the lower surface of the second movable knife holder 23 is provided with a second driving part 232 matched with the eccentric shaft in a driving way. The second tool bit group can also adopt other tool bit group forms, and the second tool bit group is relatively independent from the first tool bit group, the driving is step-by-step transmission, the compatible size of the second tool bit group is very large, and the first tool bit group can also exist independently.

Although the present invention has been described with reference to the above embodiments, it should be understood that the invention is not limited thereto, and various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a reciprocating type electric shaver, includes casing (1), first mount (2) be connected with casing (1), installs the first blade group on first mount (2), and the both ends of first mount (2) are gone to the bottom and are equipped with third body (9) that make first blade group fluctuate, its characterized in that: the first cutter head group sequentially comprises an outer cutter mesh (11) which is fixedly arranged on a first fixing frame (2) and is provided with a plurality of inlet holes, an inner cutter head (12), an inner cutter seat (13) and an elastic supporting part (15) which is integrally formed by elastic sheets from top to bottom, the center of the lower part of the inner cutter seat (13) is provided with a driving part (14), the elastic supporting part (15) sequentially comprises a central body (151) which is fixedly supported and connected on a cross rib (8) of the first fixing frame (2) from the center to two ends, sinking parts (152) which respectively sink vertically from two ends of the central body (151), oblique tilting arms (153) which bend obliquely upwards, horizontal shoulder surfaces (154) which are arranged at two ends and are abutted against and matched with the lower bottom surface of the inner cutter seat (13) to form a movable cutter space, the cross rib (8) is clamped in the two sinking parts (152) to enable the elastic supporting part (15) to be transversely limited on the first fixing frame (2), the two horizontal shoulder surfaces (154) are in the same horizontal plane with the central body (151) in a free state, the supporting fulcrum of the elastic supporting piece (15) on the inner cutter holder (13) is arranged below the plane height of the central body (151), the center of the central body (151) is provided with a guide through hole (156) for the driving piece (14) to pass through and guide, and the driving piece (14) has limited reciprocating motion in the guide through hole (156).

2. The reciprocating electric shaver according to claim 1, wherein: casing (1) in still be equipped with the second mount and install the second tool bit group on the second mount, second tool bit group moves sword (22) including second stationary knife (21) that is equipped with a plurality of and extends stationary knife sword tooth to the outside, being equipped with a plurality of second that extend outwardly and move sword tooth, moves the shear plane looks butt of sword tooth and stationary knife sword tooth, moves the relative stationary knife sword tooth of sword tooth and do reciprocating motion in order to cut hair, the stationary knife sword tooth end of second stationary knife is the circular arc end, be equipped with on second stationary knife (21) the body and supply perforation (211) that driver (14) passed.

3. The reciprocating electric shaver according to claim 2, wherein: the bottom clamping groove of the second movable knife (22) is connected with a second movable knife holder (23), second elastic pieces (24) are arranged at two ends of the bottom of the second movable knife holder (23) respectively, a transmission head (231) matched with the driving unit (14) is arranged at the center of the upper surface of the second movable knife holder (23), and a second driving unit (232) in driving fit with the eccentric shaft is arranged at the center of the lower surface of the second movable knife holder (23).

4. The reciprocating electric shaver according to claim 1, 2 or 3, wherein: the front hole edge and the rear hole edge of the guide through hole (156) of the central body (515) are respectively provided with two in-hole downward folding lugs (157) formed by downward stamping or direct injection molding, the front outer wall and the rear outer wall of the driving element (14) are provided with convex ribs (141) abutted to the in-hole downward folding lugs (157), and the top ends of the convex ribs (141) are arc surfaces.

5. The reciprocating electric shaver according to claim 1, 2 or 3, wherein: the top of the bulge (155) is a circular arc surface.

6. The reciprocating electric shaver according to claim 4, wherein: the top of the bulge (155) is a circular arc surface.

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