CN115091511A

CN115091511A - Tool bit structure of reciprocating shaver

Info

Publication number: CN115091511A
Application number: CN202210790607.9A
Authority: CN
Inventors: 金炳杰
Original assignee: Zhejiang Jingbo Hardware Technology Co ltd
Current assignee: Zhejiang Jingbo Hardware Technology Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-09-23

Abstract

This scheme provides a tool bit structure of reciprocating type razor, including outer quiet sword, outer quiet sword including buckle integrated into one piece cross section and along the cross section around the both sides vertical plane that long limit downwardly extending formed respectively, the cross section on open in the middle of have a plurality of advance must the skin-friendly cutting area of slotted hole, set up respectively at two left and right ends and border on the both ends supporting area of skin-friendly cutting area, form confined self-supporting connection surrounding ring by both ends supporting area and both sides vertical plane jointly on outer quiet sword, self-supporting connection surrounding ring encloses skin-friendly cutting area in the middle of, between outer quiet sword and move the sword part and connect the position of surrounding ring outer lane and keep away from skin-friendly cutting area corresponding to the self-supporting still be equipped with the interior retaining frame that the annular of being suitable of self-supporting connection surrounding ring, form double-deck reinforcing support in outer lane of outer quiet sword. The shaver unit has high strength, long service life and can shave long or curled beard and short beard at one time, and the outer static cutter can be as thin as 2-4.5 threads.

Description

Tool bit structure of reciprocating shaver

Technical Field

The invention relates to a shaver, in particular to a cutter head structure of a reciprocating shaver.

Background

The traditional shaver is characterized in that an outer cutter is in a sheet shape, a plurality of small holes in a circular shape or other shapes are formed in the outer cutter, an inner cutter is installed below the outer cutter, the top surface of an inner cutter unit is in an arc shape, the outer cutter is bent into an arc shape along the arc shape of the inner cutter, and the inner cutter is driven by an internal motor through a transmission device to perform cutting action. When the shaver is attached to the face, beards extend into the shaver from the small holes of the outer shaver and are quickly cut off by the inner shaver, so that the aim of shaving is fulfilled. The small hole is easy to insert for short hair, but some individual curled or longer hairs are difficult to insert into the hole, so that the long hairs are cut short before shaving, or the long hairs which are not cut off are cut short after shaving, therefore, the long hairs are difficult to cut off, and the effect of cutting off the long hairs and the short hairs at one time can not be achieved. In order to realize the entry of long beard, a strip-shaped thin-plate outer cutter is often adopted, long slotted holes are formed in the outer cutter and are transversely distributed on the head of the shaver, the shaver can shave the long beard or curled beard completely at one time, in addition, the transversely distributed outer cutter enlarges the contact surface with the face, the outer cutter is slightly inclined in use but does not need to rotate, the shaving range can be further expanded, and the use and the operation are convenient. However, because the outer cutter needs a thick cutting edge due to the supporting force and strength, the thickness is generally 0.15-0.3 mm, short hairs cannot be cut off, and the hairs cannot be cut off completely, so that the outer cutter cannot be used alone, the outer cutter must be matched with the cutter head (for cutting short hairs) of the thin sheet arched outer cutter to cut off the hairs completely, and the hairs are frequently cut off for multiple times at the same position to be cut off.

Disclosure of Invention

The invention provides a cutter head structure of a reciprocating shaver, which has high strength, long service life and compact structure, is not easy to deform and can shave long beards or curled beards and short beards at one time.

In order to solve the technical problem, the invention adopts the following technical scheme: a cutter head structure of a reciprocating shaver comprises a cutter head shell, one or more shaver unit components arranged on the cutter head shell, wherein the shaver unit components comprise a movable cutter frame which is arranged in the cutter head shell and is driven by a driving shaft to do transverse reciprocating motion, a movable cutter which is arranged on the movable cutter frame and can do reciprocating motion along the length direction of the movable cutter frame in the using process, and an outer stationary cutter which is bent by a thin plate to be in a long strip shape and is transversely arranged above the movable cutter, the outer stationary cutter comprises a transverse plane which is bent into an integral shape and two side vertical planes which are respectively formed by downwards extending the front and the rear long sides of the transverse plane, the transverse plane is provided with a skin-friendly cutting area, two end supporting areas which are respectively arranged at the left and the right ends and are adjacent to the skin-friendly cutting area, the outer stationary cutter is jointly formed by the two end supporting areas and the two side vertical planes into a closed self-supporting connecting surrounding ring, the self-supporting connecting surrounding ring surrounds the skin-friendly cutting area in the middle, an inner holding frame matched with the self-supporting connecting surrounding ring in an annular shape is further arranged at a position between the outer static knife and the movable knife, the position corresponds to the outer ring of the self-supporting connecting surrounding ring and is far away from the skin-friendly cutting area, the inner holding frame is directly attached to the inner surface of the outer static knife or is fixedly connected with the outer static knife on a knife head shell up and down through a connecting structure, and therefore a double-layer reinforcing support is formed on the outer ring of the outer static knife.

As an improvement: the shaver unit component comprises at least one side cutter unit component which is installed by the inner side wall of the outer shell, beard feeding long slotted holes in the skin-friendly cutting area of the outer static cutter of the side cutter unit component are transversely arranged in multiple rows, a separation belt is arranged between the beard feeding long slotted hole which is most close to the inner side wall of the outer shell and the adjacent row of beard feeding long slotted holes, and the separation belt enables the two adjacent rows to be arranged in a non-through mode with a distance between the two rows.

As an improvement: the long beard leading-in grooves are formed in the junction of the transverse surface of the outer static cutter and the side vertical surface, namely the long beard leading-in grooves are formed by connecting horizontal cut portions located on the transverse surface and vertical cut portions located on the side vertical surface, the horizontal cut portions and the vertical cut portions form an L shape, the horizontal cut portions and the vertical cut portions are V-shaped, trapezoidal, semi-elliptical or semi-circular, and openings of the horizontal cut portions and the vertical cut portions are in butt joint.

As an improvement: the long beard leading-in grooves are transversely and uniformly distributed along the length direction of the outer stationary knife.

As an improvement: the spacer belt is a sinking positioning groove, the sinking positioning groove extends along the length direction of the transverse surface and transversely penetrates the supporting areas at the left and right ends respectively, and limiting parts matched with the sinking positioning groove are arranged at the left and right ends of the cutter head shell respectively.

As an improvement: the inner holding frame comprises two side vertical frame surfaces which extend transversely corresponding to the two side vertical surfaces and two cross frame surfaces which are respectively connected with the end parts of the two side vertical frames; the cross section of the end part of the holding frame is M or door-shaped, namely the front end and the rear end of the cross frame surface are respectively and integrally connected with the end parts of the upper top edges of the two vertical frame surfaces; or the section of the end part of the holding frame is U-shaped, namely the front end and the rear end of the cross frame surface are respectively and integrally connected with the end parts of the lower top edges of the two vertical frame surfaces; or the holding frame is in a closed fence shape, namely the front end and the rear end of the frame spanning surface are respectively and integrally connected with the left vertical edge and the right vertical edge of the two vertical frame surfaces.

As an improvement: the shaver unit component comprises at least one side cutter unit component which is installed by the inner side wall of the shell, a plurality of beard feeding long slotted holes on the skin-friendly cutting area of the outer static cutter of the side cutter unit component are transversely arranged in a single row, the deepest positions of the beard feeding long slotted holes facing inwards are far away from the junction of the transverse plane and the side vertical plane, and the beard feeding long slotted holes face inwards and do not penetrate through the transverse plane.

The beneficial effects provided by the invention are as follows: because the arrangement of the inner holding frame is adopted, the double-layer reinforced support is formed on the outer ring of the outer static knife, the influence degree of the thickness support of the self-supporting connecting surrounding ring on a skin-friendly cutting area and even the whole knife is greatly reduced, even the size of the self-supporting can not be considered, the outer static knife is realized by the inner holding frame in the aspects of strength and support, so that the outer static knife, particularly the knife edge, is thinner and sharper than the prior art, the outer static knife can be thinner to 2-5 wires or even thinner, the integral processing of the outer static knife is more convenient, a plurality of local special processing is reduced, the deformation caused by local processing or special processing is effectively avoided, the symmetry is high, and the vertical surface of the outer static knife, particularly the two sides of the outer static knife, has very good vertical conductivity and no oblique torsion in the processing and use processes; to connecting the overall arrangement setting, can need the fluting isotructure setting with the non-cutting edge to move to interior keep the frame on, avoided the problem that destroys its fastness at the both ends support area fluting of ultra-thin outer quiet sword, keep the wholeness of outer quiet sword, and then improve ultra-thin type and fastness. The long slotted hole in the skin-friendly cutting area on the outer static cutter can conveniently extend the curled long beard into the long slotted hole to shave the long beard or the curled beard as much as possible at one time, and the blade is thin enough to shave the short beard as much as possible at the same time, so that the effect of shaving the long beard or the curled beard and the short beard as much as possible at one time is really achieved, the transversely distributed outer static cutters enlarge the contact surface with the face, the use and the operation are more convenient, the integral strength is improved, the outer static cutters are favorably assembled on the cutter head shell, the effects of no deformation after long-term use, more favorably enabling the outer static cutters to cling to the face and really shaving as much as possible at one time are achieved, and frequent and multiple times of shaving at the same position are not needed.

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

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of a cutter head structure of a reciprocating shaver provided by the invention.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is a schematic structural view of a first embodiment of the outer stationary blade and the inner holding frame in fig. 1.

Fig. 4 is a structural diagram of a second embodiment of the inner holding frame.

FIG. 5 is a schematic structural diagram of a third embodiment of the inner holding frame.

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 broadly, and for example, the terms "connected," "connected," or "fixed" may be fixed, or detachably connected, or integrated; the connection can be mechanical connection or welding connection; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated 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 and 3, a first embodiment of a blade head structure of a reciprocating shaver according to the present invention comprises a blade head housing 1, and two shaver unit assemblies mounted on the blade head housing, wherein the shaver unit assemblies comprise a moving blade frame 2 mounted in the blade head housing 1 and driven by a driving shaft to reciprocate transversely, a moving blade 3 mounted on the moving blade frame 2 and capable of reciprocating along the length direction thereof during use, and an M-shaped outer stationary blade bent from a thin plate into a strip shape and transversely disposed above the moving blade 3, the outer stationary blade 4 comprises a transverse plane 41 formed by bending and bending integrally, and two side vertical planes 42 extending downwards along the front and rear long sides of the transverse plane 41, the transverse plane 41 is provided with a skin-friendly cutting area 411 having a plurality of hair-inlet long slots in the middle, and two end supporting areas 412 respectively disposed at the left and right ends and adjacent to the skin-friendly cutting area, the outer stationary knife 4 is provided with a closed self-supporting connecting surrounding ring formed by two end supporting areas 412 and two side vertical surfaces 42, the skin-friendly cutting area 411 is surrounded in the middle by the self-supporting connecting surrounding ring, and an inner holding frame 5 matched with the self-supporting connecting surrounding ring in a shape is further arranged between the outer stationary knife 4 and the movable knife 3 and corresponding to the position of the outer ring of the self-supporting connecting surrounding ring and far away from the skin-friendly cutting area, so that a double-layer reinforced support is formed on the outer ring of the outer stationary knife. In this embodiment, the inner holding frame 5 is fixed to the cutter head housing 1 vertically through the connecting structure and the outer stationary blade 4, and the inner holding frame 5 is hidden type or can be extended type. Of course, the inner holding frame 5 can be directly attached to the inner surface of the outer stationary blade 4, ensuring both the supporting force and no volume or area burden. The thickness of the inner holding frame 5 may be determined according to the bearing force requirement and the material of the inner holding frame, and the inner holding frame 5 may be made of wear-resistant hard metal material with damping for noise reduction. Because of the inner holding frame 5, the rigidity outer static knife can be as thin as 2-4.5 wires in practical experiments, the limitation that the rigidity outer static knife can only be more than 5 wires is broken, and the outer static knife can not be obliquely twisted and is high in holding during processing and use. Interior holding frame 5 include with both sides riser 42 correspond horizontal extension's both sides riser 51, connect the two of both sides riser 51 tip respectively and stride the frame 52, the holding frame 5 end section of this embodiment is the M shape corresponding to the outer quiet sword tip of M shape, stride frame 52 around both ends respectively the top end on two risers 51 promptly, holding frame 5 end section can set up into door shape to the outer quiet sword of door shape, the outer quiet sword both sides riser 42 planarization of guarantee that both sides riser 51 can be fine of both sides riser, avoid the skew torsion, improve the connection steadiness of outer quiet sword on the shell simultaneously, greatly reduce working vibration and noise, improve the skin sense of shaving. Stride frame face 52 and can guarantee two mullion face position stability, the frame face 52 still can the function expansion of striding of this embodiment simultaneously is used as the joining region, is about to the non-cutting edge and needs structure settings such as fluting to move to interior holding frame on to guarantee the integrality in both ends support area of ultra-thin quiet sword, improve firmness and intensity.

The shaver unit component comprises at least one side cutter unit component which is arranged close to the inner side wall of the shell, long beard feeding slotted holes in the skin-friendly cutting area of the outer static cutter of the side cutter unit component are transversely arranged in two rows, a spacer tape 8 is arranged between the long beard feeding slotted hole which is most close to the inner side wall of the shell and the long beard feeding slotted hole which is adjacent to the long beard feeding slotted hole, and the spacer tape 8 enables the adjacent two rows to be arranged in a non-through mode with a non-through belt spacing. The long beard inlet slots on one side of the isolating belt 8 closest to the inner side wall of the shell are long beard inlet slots 6, and the long beard inlet slots on the other side of the isolating belt 8 are used for shaving short beard, and the slots and the arrangement can be arranged according to requirements, so that the shaving cleanliness and the trimming efficiency are improved, and the shaving is finished at one time. The separation belt 8 effectively prevents long hair from entering the short hair shaving area, solves the problem of unclean hair pulling and shaving at one time, and can further improve the touch feeling of the skin surface so as to improve the shaving feeling. Ensuring accurate falling beard. The distance belt 8 of this implementation is the constant head tank that sinks, the constant head tank that sinks extend and control and traverse both ends supporting area 412 respectively along horizontal 41 length direction, the head casing and interior retaining frame 5 all be equipped with respectively with the spacing portion of the constant head tank adaptation that sinks on both ends about to make the structure more compact, connect more closely. The separation band has the advantages of positioning, strength improvement and deformation resistance, and is convenient to assemble, the outer stationary knife does not need to be calibrated in the center, the separation band is not easy to shift in the using process, the noise is low, and the problems that the clamp needs to pull whiskers and the like are effectively solved. The long hair guiding groove 6 of the embodiment is arranged at the junction of the transverse surface 41 and the side vertical surface 42 of the outer static cutter 4, namely the long hair guiding groove 6 is formed by connecting a horizontal notch 61 positioned on the transverse surface 41 and a vertical notch 62 positioned on the side vertical surface 42, the horizontal notch 61 and the vertical notch 62 form an L shape, the horizontal notch 61 and the vertical notch 62 are V-shaped, trapezoidal, semi-elliptical or semicircular, the openings of the horizontal notch 61 and the vertical notch 62 are in butt joint, and the long hair guiding groove with a large opening is favorable for improving the shaving efficiency, meanwhile, the long hair guiding grooves 6 are transversely and uniformly distributed along the length direction of the outer static cutter, and have a hair combing function during use, so that the hair guiding rate and the shaving efficiency are more effectively improved.

Of course, the number of rows of the long beard inlet slots on the skin-friendly cutting area of the outer stationary blade is adjusted according to the number of the shaver unit assemblies, and only the long beard inlet slot on the outermost long beard inlet slot is required to be transversely arranged, and the arrangement and the slot shape of the long slot on the middle row can be adjusted according to requirements, for example, the long beard inlet slots 6 (not shown in the figure) are transversely arranged in a single row on the skin-friendly cutting area of the outer stationary blade of the side blade unit assembly. The deepest position of the inward long slotted holes transversely arranged in a single row is far away from the junction of the transverse surface 41 and the side vertical surface 42, namely, the inward long slotted holes do not penetrate through the transverse surface 41. The long hair inlet grooves 6 with the double notches can also be the long hair inlet grooves 6 with the single row of transversely arranged long hair inlet grooves, namely, the long hair inlet grooves 6 are formed by connecting horizontal notch parts 61 positioned on the transverse surfaces 41 and vertical notch parts 62 positioned on the side vertical surfaces 42, the horizontal notch parts 61 and the vertical notch parts 62 form an L shape, the horizontal notch parts 61 and the vertical notch parts 62 are V-shaped, trapezoidal, semi-elliptical or semicircular, and the openings of the horizontal notch parts 61 and the vertical notch parts 62 are butted. Therefore, when the long hair trimmer is used, long hair can be easily stretched into the long hair trimmer, the hair clamping phenomenon is effectively avoided, the long beard and the short beard can be cut or eliminated through the movable knife, and therefore the purpose of cutting or trimming long hair and short hair can be achieved.

The connecting position of the inner holding frame 5 between the two ends of the frame surface 52 and the two vertical frame surfaces 51 can be changed according to the space requirement of the structural design or the further strengthening of the supporting force, and the inner holding frame can also be designed into the second embodiment shown in fig. 4 or the third embodiment shown in fig. 5. The cross frame surface 52 is fixed on the two vertical frame surfaces 51, and the positions of the cross frame surface are different, so that the supporting and maintaining directions and the stability are slightly different.

In the second embodiment of the inner holding frame shown in fig. 4, the cross section of the end of the holding frame is U-shaped, that is, the front and rear ends of the cross frame surface 52 are integrally connected to the ends of the lower top edges of the two vertical frame surfaces 51, respectively, and the cross frame surface is arranged in a hollow manner, which has the same supporting effect as the first embodiment on the outer stationary blade.

In a third embodiment of the inner holding frame shown in fig. 5, the holding frame is in the shape of a closed rail, that is, the front and rear ends of the cross frame surface 52 are integrally connected to the left and right vertical edges of the two vertical frame surfaces 51, respectively. The inner holder frame of this embodiment provides a higher level of support for the outer stationary blade both side vertical surfaces 42 than the inner holder frames of the first and second embodiments, and the upper and lower positions between the both side vertical surfaces 42 are defined by the cross frame surface 52 after assembly, and the both side vertical surfaces will not bounce even if they are thin, and have a stable support, and the disadvantage is that they need to be precisely matched and are incompatible.

If the space or structure allows, it is needless to say that the inner holding frame straddling the frame surface 52 may be provided at the positions of the three or two embodiments, so that the supporting effect is higher.

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

1. A cutter head structure of a reciprocating shaver comprising a cutter head housing (1), one or more shaver unit assemblies mounted on the cutter head housing, characterized in that: the shaver unit component comprises a movable knife rest (2) which is arranged in a knife head shell (1) and is driven by a driving shaft to do transverse reciprocating motion, a movable knife (3) which is arranged on the movable knife rest (2) and can do reciprocating motion along the length direction in the using process, and an outer static knife (4) which is bent to be strip-shaped by a thin plate and is transversely arranged above the movable knife (3), wherein the outer static knife (4) comprises a transverse surface (41) which is bent into an integral shape and two vertical surfaces (42) which are respectively formed by downwards extending along the front and the rear long edges of the transverse surface (41), the transverse surface (41) is provided with a skin-friendly cutting area (411) with a plurality of slotted holes in the middle, two end supporting areas (412) which are respectively arranged on the left and the right and are adjacent to the skin-friendly cutting area, the outer static knife (4) is provided with a closed self-supporting connecting surrounding ring which is formed by the two end supporting areas (412) and the two vertical surfaces (42) together, and the self-supporting connecting surrounding the skin-friendly cutting area (411) in the middle, an inner holding frame (5) matched with the self-supporting connecting surrounding ring in a shape of a ring is further arranged between the outer static knife (4) and the movable knife (3) and corresponds to the position of the outer ring of the self-supporting connecting surrounding ring and is far away from the skin-friendly cutting area, the inner holding frame (5) is directly attached to the inner surface of the outer static knife (4) or is vertically and fixedly connected onto the knife head shell (1) through a connecting structure and the outer static knife (4), and therefore a double-layer reinforced support is formed on the outer ring of the outer static knife.

2. The cutter head structure of a reciprocating shaver as set forth in claim 1, wherein: the shaver unit component comprises at least one side cutter unit component which is arranged close to the inner side wall of the shell, the hair-feeding long slotted holes on the skin-friendly cutting area of the outer static cutter of the side cutter unit component are transversely arranged in multiple rows, a spacing belt (8) is arranged between the hair-feeding long slotted hole which is most close to the inner side wall of the shell and the adjacent row of hair-feeding long slotted holes, and the spacing belt enables the adjacent two rows to be arranged in a non-through mode with belt spacing.

3. The cutter head structure of a reciprocating shaver as set forth in claim 2, wherein: the long beard inlet grooves are long beard inlet grooves (6) which are arranged at the junction of the transverse surface (41) and the side vertical surface (42) of the outer fixed blade (4), namely the long beard inlet grooves (6) are formed by connecting horizontal cut-out portions (61) on the transverse surface (41) and vertical cut-out portions (62) on the side vertical surface (42), the horizontal cut-out portions (61) and the vertical cut-out portions (62) form an L shape, the horizontal cut-out portions (61) and the vertical cut-out portions (62) are V-shaped, trapezoidal, semi-elliptical or semicircular, and openings of the horizontal cut-out portions (61) and the vertical cut-out portions (62) are in butt joint.

4. A cutter head structure of a reciprocating shaver as claimed in claim 3, wherein: the long beard leading-in grooves (6) are transversely and uniformly distributed along the length direction of the outer stationary knife.

5. A cutter head structure of a reciprocating shaver as claimed in claim 2, 3 or 4, wherein: the spacer belt (8) is a sinking positioning groove, the sinking positioning groove extends along the length direction of the transverse surface (41) and transversely penetrates through the supporting areas (412) at the left and right ends respectively, and limiting parts matched with the sinking positioning groove are arranged at the left end and the right end of the cutter head shell respectively.

6. A cutter head structure of a reciprocating shaver as claimed in claim 1, 2, 3 or 4, wherein: the inner holding frame (5) comprises two side vertical frame surfaces (51) which extend transversely corresponding to the two side vertical surfaces (42) and two cross frame surfaces (52) which are respectively connected with the end parts of the two side vertical frames (51); the section of the end part of the holding frame (5) is M or door-shaped, namely the front end and the rear end of the frame spanning surface (52) are respectively and integrally connected with the end parts of the upper top edges of the two vertical frame surfaces (51); or the section of the end part of the holding frame is U-shaped, namely the front end and the rear end of the cross frame surface (52) are respectively and integrally connected with the end parts of the lower top edges of the two vertical frame surfaces (51); or the holding frame is in a closed fence shape, namely the front end and the rear end of the cross frame surface (52) are respectively and integrally connected with the vertical edges at the left end and the right end of the two vertical frame surfaces (51).

7. A cutter head structure of a reciprocating shaver as claimed in claim 5, wherein: the inner holding frame (5) comprises two side vertical frame surfaces (51) which transversely extend corresponding to the two side vertical surfaces (42) and two cross frame surfaces (52) which are respectively connected with the end parts of the two side vertical frames (51); the section of the end part of the holding frame (5) is M or door-shaped, namely the front end and the rear end of the frame spanning surface (52) are respectively and integrally connected with the end parts of the upper top edges of the two vertical frame surfaces (51); or the section of the end part of the holding frame is U-shaped, namely the front end and the rear end of the cross frame surface (52) are respectively and integrally connected with the end parts of the lower top edges of the two vertical frame surfaces (51); or the holding frame is in a closed fence shape, namely the front end and the rear end of the cross frame surface (52) are respectively and integrally connected with the vertical edges at the left end and the right end of the two vertical frame surfaces (51).

8. The cutter head structure of a reciprocating shaver as set forth in claim 1, wherein: the shaver unit component comprises at least one side cutter unit component which is installed by the inner side wall of the shell, a plurality of beard feeding long slotted holes on the skin-friendly cutting area of the outer static cutter of the side cutter unit component are transversely arranged in a single row, the deepest positions of the beard feeding long slotted holes facing inwards are far away from the junction of the transverse surface (41) and the side vertical surface (42), and the beard feeding long slotted holes face inwards and do not penetrate through the transverse surface (41).

9. The cutter head structure of a reciprocating shaver as claimed in claim 8, wherein: the long beard leading-in grooves are long beard leading-in grooves (6) which are transversely arranged in a single row, the long beard leading-in grooves are formed in the junction of the transverse surface (41) and the side vertical surface (42) of the outer static blade (4), namely the long beard leading-in grooves (6) are formed by connecting a horizontal cut portion (61) located on the transverse surface (41) and a vertical cut portion (62) located on the side vertical surface (42), the horizontal cut portion (61) and the vertical cut portion (62) form an L shape, the horizontal cut portion (61) and the vertical cut portion (62) are all V-shaped, trapezoidal, semi-elliptical or semicircular, and openings of the horizontal cut portion (61) and the vertical cut portion (62) are in opposite connection.

10. A head structure for a reciprocating shaver as claimed in claim 8 or 9, wherein: the inner holding frame (5) comprises two side vertical frame surfaces (51) which transversely extend corresponding to the two side vertical surfaces (42) and two cross frame surfaces (52) which are respectively connected with the end parts of the two side vertical frames (51); the section of the end part of the holding frame (5) is M or door-shaped, namely the front end and the rear end of the frame spanning surface (52) are respectively and integrally connected with the end parts of the upper top edges of the two vertical frame surfaces (51); or the section of the end part of the holding frame is U-shaped, namely the front end and the rear end of the cross frame surface (52) are respectively and integrally connected with the end parts of the lower top edges of the two vertical frame surfaces (51); or the holding frame is in a closed fence shape, namely the front end and the rear end of the cross frame surface (52) are respectively and integrally connected with the vertical edges at the left end and the right end of the two vertical frame surfaces (51).