CN210791081U

CN210791081U - Circular cutter head and shaver with same

Info

Publication number: CN210791081U
Application number: CN201921589063.XU
Authority: CN
Inventors: 孙海勇
Original assignee: Zhejiang Ruihan Technology Co ltd
Current assignee: Zhejiang Ruihan Technology Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-06-19
Anticipated expiration: 2029-09-23

Abstract

The utility model relates to a ring tool bit and have shaver of ring tool bit, a serial communication port static tool bit including ring tool net and quiet blade holder, this ring tool net is connected fixedly with quiet blade holder, and is equipped with a plurality of pore of intaking on the all lateral walls of ring tool net, move the tool bit and arrange in the ring tool net and contact with all lateral walls, and move the tool bit rotatable fix in quiet blade holder and be connected with the actuating mechanism linkage. The utility model has the advantages that the circular cutter net is arranged, so that the hair shaving effect can be ensured, the shape and the use mode of the original hair shaver are changed, the structure is simple, the production, the processing and the assembly are convenient, and the production benefit is improved; the style is novel, the model is unique, and the aesthetic requirements of modern people can be greatly met; but also can be quickly disassembled and cleaned or avoid excessive abrasion at a certain position of the circular cutter net, thereby ensuring the cleanness and sanitation of the shaver and prolonging the service life of the shaver.

Description

Circular cutter head and shaver with same

Technical Field

The utility model relates to a shaving device, more specifically the utility model relates to a ring tool bit and have shaving ware of ring tool bit that says so, mainly be applied to shaving instrument field.

Background

The shaver head of the existing shaver is basically divided into two types, one type is a reciprocating shaver head, the shaver head drives an eccentric wheel shaft by utilizing the rotation of a motor to drive the eccentric wheel shaft to drive the shaver head to reciprocate so as to realize the shaver operation, and the net sheets of the shaver heads have a common characteristic, namely the cutter net is in a U-like shape, and the shaver area is too small; the second structure is a disk-type cutter head (single cutter head or multiple cutter heads), the cutter net is disk-shaped, the movable cutter head rotates along with the circular cutter net to cut hair, the hair shavers with the two structures can achieve the hair shaving effect, but the shape and the style are the design of the 20 th century and the 40 th year, the style is too old to meet the aesthetic requirements of modern people, especially young people; secondly, in the use process of the shaver with the two kinds of knife nets, skin is repeatedly and frequently contacted with a certain position, so that the frequent contact position of the knife net and the skin is easily excessively abraded, the loss of the knife net is accelerated, and the service life of the knife net is shortened.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a ring tool bit and have shaver of ring tool bit, this ring tool bit modern design, unique, the simple structure of modelling, not only can be convenient for produce manufacturing and assembly, but also when can effectively guaranteeing to shave the hair effect, avoid the excessive wearing and tearing of certain department of sword net, the life of extension sword net.

For solving above technical problem, the utility model discloses the technical scheme who takes is a ring tool bit, reach including quiet tool bit and move the tool bit, quiet tool bit including ring cutter mesh and quiet tool holder, this ring cutter mesh is connected fixedly with quiet tool holder, and is equipped with a plurality of pore of intaking on the all lateral walls of ring cutter mesh, move the tool bit and arrange in the ring cutter mesh and contact with all lateral walls, and move that the tool bit is rotatable to be fixed in quiet tool holder and to be connected with the actuating mechanism linkage.

Furthermore, the length of the circular cutting net is 1 cm-10 cm, the inner diameter is 0.5 cm-8 cm, and the thickness is 0.01 mm-0.5 mm.

Furthermore, the static knife rest comprises an upper cover and a base, two ends of the circular knife net are communicated, the top end of the circular knife net is fixedly connected with the upper cover in a detachable mode, the bottom end of the circular knife net is fixedly connected with the base in a detachable mode, a central counter bore is formed in the upper cover, one end of the movable knife head is inserted into the central counter bore, and the other end of the movable knife head is rotatably fixed in the base and is in linkage connection with the driving mechanism.

Furthermore, the openings at the two ends of the circular knife net are respectively provided with a reinforcing ring, the reinforcing rings and the circular knife net are of an integrated structure, the inner side wall of each reinforcing ring is respectively provided with a support ring fixedly connected with the reinforcing ring, and each support ring is respectively inserted and fixed with the corresponding upper cover and the corresponding base.

Furthermore, the movable cutter head comprises a rotary column and a movable cutter blade, the movable cutter blade is fixed in the rotary column in a telescopic displacement mode, the cutting edge of the movable cutter blade is in contact with the inner peripheral side wall of the circular cutter net, two ends of the rotary column can be rotationally fixed in the upper cover and the base, and one end of the rotary column is in linkage connection with the driving mechanism.

Furthermore, two groups of X-shaped cutter grooves which penetrate through the rotary column are arranged in the rotary column, openings of the two X-shaped cutter grooves are different in direction and are arranged at the upper end and the lower end of the rotary column in a cross mode, moving blades which are arranged oppositely are arranged in the X-shaped cutter grooves respectively, and the cutting edges of the moving blades are in contact with the inner peripheral side wall of the circular cutter net; the upper end and the lower end of the X-shaped cutter groove are respectively provided with a pin hole penetrating through the rotating column, the corresponding position of each movable blade is provided with a sliding slot hole, and a pin shaft is inserted into the pin hole to penetrate through the sliding slot hole so that each movable blade can be fixed in the rotating column in a sliding manner.

Furthermore, the upper end and the lower end in the rotating column are respectively provided with a fixed cutter groove which penetrates through the rotating column, and the fixed cutter groove is parallel to the central axis of the rotating column or inclined to the central axis of the rotating column; the center of the fixed cutter groove is provided with a spring hole, a return spring is arranged in the spring hole, and two ends of the return spring are respectively abutted against the movable blades arranged at two ends of the fixed cutter groove so that the blades of the two movable blades are respectively contacted with the inner side wall of the circular cutter net; the upper end and the lower end of the fixed cutter groove are respectively provided with a pin hole penetrating through the rotating column, the corresponding positions of the movable blades arranged at the two ends of the fixed cutter groove are provided with sliding slotted holes, and a pin shaft is inserted into the pin hole to penetrate through the sliding slotted holes so that the movable blades can be fixed in the fixed cutter groove of the rotating column in a sliding manner.

Furthermore, a spring hole penetrating through the rotating column is arranged at the intersection point of the X-shaped cutter groove, a return spring is arranged in the spring hole, and two ends of the return spring are respectively connected with the inner ends of the movable cutter grooves oppositely arranged in the X-shaped cutter groove in a pressing manner; the reset spring enables each movable blade to have a first working position which is contracted inwards under the action of external force and a second working position which restores the movable blade to be contacted with the inner peripheral side wall of the circular knife net when the external force is removed.

Furthermore, the included angle between the central line of the X-shaped cutter groove and the axis of the rotating column is 5-30 degrees.

Furthermore, the movable blade comprises a body, sliding slotted holes are formed in the upper end and the lower end of the body, the blade is arranged on the outer side of the body, the width of the blade is larger than that of the body, so that the rotating tracks of the movable blade in the two groups of X-shaped cutter grooves are overlapped, the blade is fixed with the body in an inclined shape and is of an integral structure, and the inclined direction of the blade is the same as the rotating direction of the movable blade; the inner side of the body is provided with a U-shaped open slot, the bottom of the open slot is provided with a spring seat, and the reset spring is sleeved in the spring seat and is fixedly connected with the movable blade.

Furthermore, a positioning shaft is arranged at the top end of the rotating column, a driving shaft is arranged at the bottom end of the rotating column, a D-shaped counter bore is arranged in the driving shaft, and the driving mechanism is inserted into the D-shaped counter bore and is in linkage connection with the rotating column; bearings are respectively sleeved on the positioning shaft and the driving shaft at the upper end and the lower end of the rotating column, and the two bearings are respectively clamped in the central counter bore of the upper cover and the base; an annular bulge is arranged in the base, a bearing outside the driving shaft is arranged at the bottom of the annular bulge, and a sealing gasket is arranged between the annular bulge and the bearing; the annular bulges and the upper cover are respectively provided with an annular groove, and the support rings fixed in the annular cutter net are respectively inserted into the corresponding annular grooves to detachably fix the annular cutter net between the upper cover and the base.

On the basis of a circular cutter mesh, the applicant also provides a technical scheme of a shaver with a circular cutter head, which comprises the novel circular cutter head and a shell, wherein the circular cutter head is detachably fixed at one end of the shell, a driving mechanism is arranged in the shell and is in linkage connection with a movable cutter head, the driving mechanism is electrically connected with a power source, the power source is fixed in the shell, and a control switch is arranged between the driving mechanism and the power source and is fixedly connected with the shell.

And further, the other end of the shell is provided with a flashlight, the flashlight is in threaded connection with the shell, and the anode and the cathode of the flashlight are respectively electrically connected with the power source and the control switch.

Furthermore, a writing pen point is arranged at the other end of the shell and is fixedly connected with the shell through threads.

Furthermore, the writing pen point comprises a pen container, a pen point with a conical section, a pen core sleeve and a gland, one end of the pen container is in threaded connection with the shell, the other end of the pen core sleeve is provided with a through hole, the pen core sleeve is rotatably arranged in the through hole, one end of the pen core sleeve is in interference fit with the pen point to enable the bottom end face of the pen core to be attached to the end face of the pen container, one end of the pen core is arranged in the pen core sleeve, the other end of the pen core sleeve is attached to the gland, the gland is in threaded connection with the pen core sleeve, and the pen core and.

And further, a nose hair cutter head is arranged at the other end of the shell, and is in threaded connection with the shell and in linkage connection with the driving mechanism.

The utility model has the advantages that the cutter net is changed into a circular ring from the original U shape or disc shape and a vertical installation mode is adopted, so that the hair feeding area of the shaver is enlarged, the circular cutter net capable of feeding hair in 360 degrees without dead angles is formed, and when the shaver is used for shaving hair, the shaver does not need to swing back and forth, the shaving or the hair removal can be realized only by rotating the shaver, and the traditional shaving or hair shaving mode is changed; secondly, when rotating to shave or shave hair, can make skin no longer limit to contact with a certain place of the circular cutter mesh, can make the circumference of the circular cutter mesh all contact with skin, prevent a certain place of the circular cutter mesh from excessively wearing and shortening the life time of the cutter mesh effectively, adopt the circular cutter mesh, not merely guarantee the shaving effect, have still changed the shape and operation mode of the original shaver, its simple in construction, easy to produce and process and assemble, raise the production benefit; the modeling is unique, the style is novel, and the aesthetic requirements of modern people can be greatly met; but also can quickly disassemble, clean or replace the circular cutter net, thereby ensuring the cleanness and sanitation of the shaver and prolonging the service life of the shaver.

Drawings

FIG. 1 is a sectional view of a circular tool bit

FIG. 2 is a perspective view of a circular cutter head according to an embodiment of the present invention

FIG. 3 is a three-dimensional structure diagram of the ring knife net in the embodiment of the present invention

FIG. 4 is a perspective view of the upper cover in the embodiment of the present invention

FIG. 5 is a perspective view of the base in the embodiment of the present invention

FIG. 6 is a perspective view of the moving blade of the embodiment of the present invention

FIG. 7 is a front view of the embodiment of the present invention

FIG. 8 is a perspective view of a second embodiment of the moving blade of the present invention

FIG. 9 is a side view of the movable blade of the embodiment of the present invention

FIG. 10 is a perspective view of the knife blade in the embodiment of the present invention

FIG. 11 is a cross-sectional view of a shaver with a circular head according to an embodiment of the present invention

FIG. 12 is a simplified block diagram of an embodiment of a razor with a circular head according to the present invention

FIG. 13 is a simplified block diagram of a combination of an embodiment of a shaver with a circular cutting head

FIG. 14 is a simplified block diagram of a combination of an embodiment of a shaver with a circular head

FIG. 15 is a simplified block diagram of a combination of an embodiment of a shaver with a circular head

FIG. 16 is a schematic view of a combination of an embodiment of a shaver with a circular head

FIG. 17 is a six-simplified structural diagram of a combined embodiment of a shaver with a circular head according to an embodiment of the present invention

Detailed Description

The embodiments of the present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1-17, the utility model provides a circular cutter head, including quiet tool bit 1 and move tool bit 2, quiet tool bit 1 including circular cutter mesh 11 and quiet tool rest 12, this circular cutter mesh 11 is connected fixedly with quiet tool rest 12, and is equipped with a plurality of pore 111 that advances on the side wall of the circumference of circular cutter mesh 11, move tool bit 2 arrange circular cutter mesh 11 in and contact with the side wall of circumference in, and move that tool bit 2 is rotatable to be fixed in quiet tool rest 12 and to be connected with the linkage of actuating mechanism 4. The structure of the cutter net of the existing shaver is mainly divided into two types, one of the two types is U-shaped, and almost all the cutter nets of the reciprocating type shaver adopt the cutter net with the structure; the second is a disc type, all rotary shavers adopt disc type cutter meshes, both single head and multiple head are in disc type cutter mesh structures, the design of the two types of cutter meshes is established in the 40 th century, although the two types of cutter meshes are continuously developed for decades, the original design thought is not broken away, and therefore the design of the cutter meshes is too old to meet the aesthetic requirements of modern people. Therefore, after years of repeated design tests, the technical team of the applicant finally determines that the cutter mesh is changed into a circular shape from the original U shape or disc shape, and a vertical (namely, one end or two ends of the circular cutter mesh are respectively and fixedly connected with the shell) installation mode is adopted, so that the hair feeding area of the cutter head is increased, the circular cutter mesh 11 capable of feeding hair at 360 degrees without dead angles is formed, and in the hair shaving process, the hair shaver or the cutter head does not need to swing back and forth, the hair shaving or hair shaving can be realized only by rotating the hair shaver or the circular cutter mesh, and the traditional hair shaving or shaving mode is changed (the circular cutter mesh can automatically rotate through the driving mechanism); secondly, when rotating to shave or shave hair, can make skin no longer limit to and some one side or some place of the circular cutter mesh 11 frequently contacts, make the circumference of the circular cutter mesh 11 all can shave or shave hair while contacting with skin, prevent the excessive wear of some place of the circular cutter mesh 11 from shortening the life time of the cutter mesh effectively, adopt the circular cutter mesh 11, not merely guarantee shaving the hair effect, have changed the shape and operation mode of the original hair-shaver, its simple in construction, easy to produce and process and assemble, raise the production benefit; the modeling is unique, the style is novel, and the aesthetic requirements of modern people can be greatly met; but also can quickly disassemble, clean or replace the circular cutter net 11, thereby ensuring the cleanness and sanitation of the shaver and prolonging the service life of the shaver.

In this embodiment, in order to satisfy different places of use or to be suitable for different people, the length H of the circular cutting net 11 is 1cm to 10cm, the inner diameter R is 0.5cm to 8cm, and the thickness D is 0.01mm to 0.5 mm. The length H of the circular cutter mesh 11 is preferably 5cm, and the length H is set to be 5cm, so that beards or hairs of all parts of a human body can be shaved, the strength of the circular cutter mesh 11 can be improved to the greatest extent, and the use safety of the shaver is ensured; the length H may be set to 2cm, but is preferably 5cm because the length is relatively short, and the hair feeding amount and the hair shaving area are relatively small, which results in a long time for shaving or shaving, and the time is not suitable for the living habits of modern people. The inner diameter R of the circular cutter net 11 is preferably set to be 1 cm-3 cm, for example, to be 1cm, and the shaver can be made portable, for example, pen-like shape and can be carried about. The internal diameter of 3cm is made, so that the volume of the shaver can be reduced to the greatest extent, the shaver is convenient to carry, and meanwhile, the power of the driving mechanism 4 of the shaver can be increased to the greatest extent, and the shaver effect is ensured; the thickness D of the circular cutter mesh 11 is preferably 0.05mm, the production process level and the residual hair root length of the existing cutter mesh are comprehensively considered, for example, the thickness D is set to be 0.001mm, and the thickness of the circular cutter mesh 11 is too thin, so that although the residual hair root length can be shortened and the hair shaving effect is ensured, the circular cutter mesh 11 is easy to damage in the using process, and the service life of the circular cutter mesh 11 is shortened; if the thickness D is set to be 0.2mm or more, the thickness is too thick, although the thickness can ensure the strength of the circular cutter mesh 11, the hair roots are too long to influence the external appearance of a person in the shaving or shaving process, and in some specific occasions, the hair roots are also a disappointing performance, especially for some commercial persons; therefore, the thickness of the circular cutter mesh 11 is set to be 0.05mm, the existing process level is easy to produce and manufacture, the rate of finished products is guaranteed, the length of residual hair roots can be shortened to the maximum extent, the hair shaving effect is guaranteed, and the external image of a person is improved.

In this embodiment, in order to facilitate the installation of the circular knife net 11 and the movable knife head 2, the stationary knife base 12 includes an upper cover 121 and a base 122, two ends of the circular knife net 11 are communicated, the top end of the circular knife net 11 is detachably and fixedly connected with the upper cover 121, and the bottom end is detachably and fixedly connected with the base 122; a central counterbore 1211 is arranged in the upper cover 121, one end of the movable cutter head 2 is inserted into the central counterbore 1211, and the other end is rotatably fixed in the base 122 and is in linkage connection with the driving mechanism 4. The static knife rest 12 is arranged to be separated to form an upper cover 121 and a base 122, and two ends of the circular knife net 11 are communicated, so that two ends of the circular knife net 11 can be respectively detachably and fixedly connected with the upper cover 121 and the base 122; but the two ends are communicated, one end of the circular cutter mesh 11 can be connected with the shell 3 of the shaver, so that the movable cutter head 2 is connected with the driving mechanism 4 in a linkage way; the other end can be provided with an upper cover 121 for plugging the circular knife net 11 to strengthen the strength of the circular knife net 11 and prevent deformation in the using process; or, other functional components, such as the writing pen point 8, the eyebrow shaping pen point, the flashlight, or the control switch 6 of the driving mechanism 4, may be added without the upper cover 121. In order to facilitate the fixed installation of the movable cutter head 2, a central counterbore 1211 is arranged in the upper cover 121, one end of the movable cutter head 2 can be inserted into the central counterbore 1211 of the upper cover 121 for positioning, and the other end of the movable cutter head 2 can be fixed in the base 122 and is in linkage connection with the driving mechanism 4, so that the top end of the movable cutter head 2 cannot swing in the rotating process, the rotating coaxiality and the rotating concentricity are not influenced, and the hair shaving effect is ensured.

In this embodiment, since the thickness of the circular cutting mesh 11 is small, in order to prevent the circular cutting mesh 11 from deforming or being damaged, the openings at both ends of the circular cutting mesh 11 are respectively provided with the reinforcing rings 112, the reinforcing rings 112 and the circular cutting mesh 11 are integrated, the inner side walls of the reinforcing rings 112 are respectively provided with the support rings 13 fixedly connected with the reinforcing rings 112, and each support ring 13 is respectively inserted and fixed with the corresponding upper cover 121 and the corresponding base 122. The reinforcing rings 112 without the pores 111 are additionally arranged at the two ends of the circular knife net 11, so that the overall strength of the circular knife net 11 is relatively increased, the damage to the edge of the circular knife net 11 caused by the factor of the pores 111 is effectively avoided, and the service life of the circular knife net 11 is shortened; the width of the reinforcement ring 112 may be determined according to practical requirements, and the embodiment is not further limited; the support ring 13 is installed inside the reinforcing ring 112, so that the overall strength of the circular cutting net 11 and the roundness of the circular cutting net 11 can be improved to the maximum extent, and meanwhile, the two ends of the circular cutting net 11 can be conveniently inserted into the upper cover 121 and the base 122 to form a detachable fixed connection. Certainly, from the use perspective, the reinforcing ring 112 may not be provided under the condition that the supporting ring 13 is added, and the supporting ring 13 is directly placed on the inner side wall of the pore 111 to be fixedly connected with the circular ring cutter mesh 11, so that the same purpose can be achieved, the same effect can be produced, and the specific structure can be determined according to the actual requirement.

In this embodiment, in order to cooperate with the circular knife net 11 to cut off hair, the movable knife head 2 includes a rotary column 21 and a movable knife 22, the movable knife 22 is telescopically fixed in the rotary column 21, a knife edge 221 of the movable knife 22 contacts with an inner peripheral side wall of the circular knife net 11, two ends of the rotary column 21 are rotatably fixed in the upper cover 121 and the base 122, and one end of the rotary column is linked with the driving mechanism 4; by arranging the rotary column 21, installing the movable blade 22 capable of telescopic displacement in the rotary column 21 and enabling the blade edge 221 of the movable blade 22 to be in contact with the inner peripheral wall of the circular cutter mesh 11, when two ends of the rotary column 21 are respectively and fixedly connected with the upper cover 121 and the base 122 in a rotatable manner, the driving mechanism 4 can drive the rotary column 21 to rotate to drive the movable blade 22 to rotate, beards or other body hairs entering the pore 111 of the circular cutter mesh 11 are cut off, and the hair shaving effect of the hair shaver is ensured; the telescopic displacement means that the movable blade 22 can be retracted into the rotary column 21 under the action of external force, and when the external force is removed, the movable blade 22 can automatically reset the cutting edge 221 to be contacted with the inner peripheral side wall of the circular cutter mesh 11, and the structure can protect the movable blade 22 while ensuring the hair shaving effect of the movable blade 22, avoid the movable blade 22 from being broken or bent under the action of force and achieve the purpose of prolonging the service life of the movable blade 2.

In this embodiment, in order to facilitate the installation and fixation of the movable blade 22 and the telescopic displacement of the movable blade 22, two groups of X-shaped knife grooves penetrating through the rotary column 21 are arranged in the rotary column 21, the openings of the two X-shaped knife grooves 211 are oriented differently and are arranged at the upper and lower ends of the rotary column 21 in a cross shape, the movable blades 22 arranged oppositely are arranged in the X-shaped knife grooves 211, and the knife edge 221 of each movable blade 22 is in contact with the inner peripheral side wall of the circular knife net 11; the upper and lower ends of the X-shaped blade groove 211 are respectively provided with a pin hole 212 penetrating through the rotary column 21, a sliding slot hole 222 is arranged at the corresponding position of each movable blade 22, and a pin shaft 213 is inserted into the pin hole 212 to pass through the sliding slot hole 222 so that each movable blade 22 can be fixed in the rotary column 21 in a sliding manner. Through setting up two sets of X type blade grooves 211 in the column spinner 21 to make the opening of two sets of X type blade grooves 211 face different directions and be the crisscross setting in the upper and lower both ends of column spinner 21, can all install two moving blade 22 in every group X type blade groove 211 like this, and make two moving blade 22 set up cutting edge 221 relatively and contact with the interior circumference wall of ring cutter net 11, when guaranteeing the shaving effect, the moving blade 22 that the both ends and be the crisscross setting in the upper and lower both ends of column spinner 21 just can form the support to the interior circumference wall of ring cutter net 11, effectively prevents that the deformation of ring cutter net 11 from influencing the shaving effect. In order to facilitate the telescopic displacement and automatic reset of the movable blade 22, an elastic part is arranged on one side of the movable blade 22, which is arranged on the rotary column 21, and the elastic part can enable the movable blade 22 to contract inwards under the action of stress and automatically reset when the external force is removed so that the cutting edge 221 of the movable blade 22 is in contact with the circular knife net 11; from the use perspective, the knife slot may not be designed into an X-shape, and if the knife slot is arranged in a parallel shape, the installation and the telescopic displacement of the moving blade 22 can also be realized, but the X-shape is designed, the moving blade 22 can be in contact with the inner peripheral side wall of the circular knife net 11 at a certain inclination angle after being installed, the sharpness of the cutting edge 221 of the moving blade 22 is relatively improved, meanwhile, in the cleaning process, the inclined moving blade 22 can generate a vortex during rotation, and broken hairs adhered to the rotating column 21 and the moving blade 22 can be rapidly cleaned, so the X-shaped knife slot 211 is a preferred embodiment. In order to facilitate the telescopic displacement of the movable blade 22, a sliding slot hole 222 is formed in the movable blade 22, pin holes 212 are formed in the upper end and the lower end of the X-shaped blade groove 211 respectively, and after the movable blade 22 is inserted into the X-shaped blade groove 211, the movable blade 22 is inserted into the pin holes 212 by using a pin shaft 213 and passes through the sliding slot hole 222 to be fixed in the rotating column 21 in a telescopic displacement manner; therefore, when the movable blade 22 is subjected to external force, the movable blade can horizontally displace along the pin shaft 213, and the movable blade 22 is ensured not to deviate or misplace in the process of telescopic displacement, so that the use stability and the safety of the circular cutter head are improved.

The movable blade can be mounted without using an X-shaped blade groove structure, and the embodiment provides a second movable blade head different from the X-shaped blade groove, specifically as follows: the upper end and the lower end of the rotating column 21 are respectively provided with a fixed cutter groove 210 penetrating through the rotating column 21, and the fixed cutter groove 210 is parallel to the central axis of the rotating column 21 or inclined to the central axis of the rotating column 21; the cutter grooves 210 are respectively fixed at the upper end and the lower end of the rotary column 21, and the fixed cutter grooves 210 are crossed, so that the cutting effect of the movable cutter 22 is ensured, and meanwhile, the movable cutter 22 which is crossed on the rotary column 21 can be used for supporting the inner peripheral side wall of the circular cutter net 11, the deformation of the circular cutter net 11 is effectively prevented, and the shaving effect is ensured. The fixed knife slot 210 may be disposed parallel to the axis of the rotary column 21, or the fixed knife slot 210 may be disposed inclined to the axis of the rotary column 21, which may be determined according to the market demand of the user. A spring hole 214 is formed in the center of the fixed knife slot 210, a return spring 23 is installed in the spring hole 214, and two ends of the return spring 23 respectively abut against the movable blades 22 installed at two ends of the fixed knife slot 210 to enable the cutting edges 221 of the movable blades 22 to respectively contact with the inner side wall of the circular knife mesh 11; the spring hole 214 is additionally arranged at the center of the fixed knife slot 210, so that the reset spring 23 can be arranged in the spring hole 214, when the movable knife blade 22 is respectively arranged at the two sides of the fixed knife slot 210, the two ends of the reset spring 23 can respectively abut against the inner side end of the movable knife blade 22, and the telescopic displacement of the movable knife blade 22 is realized. The upper and lower ends of the fixed knife slot 210 are respectively provided with a pin hole 212 penetrating through the rotary column 21, the corresponding positions of the movable blades 22 installed at the two ends of the fixed knife slot 210 are provided with a sliding slot hole 222, and a pin shaft 213 is inserted into the pin hole 212 and penetrates through the sliding slot hole 222 to enable each movable blade 22 to be fixed in the fixed knife slot 210 of the rotary column 21 in a sliding manner. The upper and lower ends of the fixed knife slot 210 are respectively provided with a pin hole 212 penetrating through the rotary column 21, and each movable blade 22 is provided with a sliding slot hole 222, so that the pin shaft 213 can be inserted into the pin hole 212 and penetrate through the sliding slot hole 222 to make the movable blade 22 movably fixed in the rotary column 21.

In the embodiment, in order to facilitate the automatic reset of the movable blade 22 after being forced to contract inwards, a spring hole 214 penetrating through the rotating column 21 is arranged at the intersection of the X-shaped blade groove 211, a reset spring 23 is installed in the spring hole 214, and two ends of the reset spring 23 are respectively connected with the inner end of the movable blade 22 oppositely arranged in the X-shaped blade groove 211 in an abutting manner; the reset spring 23 enables each movable blade 22 to have a first working position which is contracted inwards under the action of external force and a second working position which restores the blade 221 of the movable blade 22 to be contacted with the inner peripheral side wall of the circular knife net 11 when the external force is removed; the spring hole 214 is arranged at the intersection of the X-shaped blade groove 211, and the return spring 23 is arranged in the spring hole 214, so that two ends of the return spring 23 are respectively connected with the inner sides of the moving blades 22 which are arranged in the X-shaped blade groove 211 and oppositely in a pressing manner, and the return spring 23 is extruded when the moving blades 22 are stressed, so that the sliding slot hole 222 of the moving blade 22 is horizontally displaced along the pin shaft 213, and the purpose of protecting the moving blade 22 is achieved. When the external force is removed, the return spring 23 can drive the movable blade 22 to automatically recover to enable the blade edge 221 of the movable blade 22 to be in contact with the inner peripheral side wall of the circular knife net 11; therefore, the purpose can be achieved without the return spring 23, for example, a spring plate is arranged on the inner side of the movable blade 22 (i.e. the side inserted into the rotary column 21) and is fixedly connected with the rotary column 21, when the movable blade 22 is stressed, the spring plate will contract inwards to protect the movable blade 22, and when the external force is removed, the spring plate can automatically return to drive the movable blade 22 to recover and contact with the inner peripheral side wall of the circular knife net 11. In the actual use process, for example, when the circular knife net 11 needs to be disassembled and cleaned and then assembled, one end of the rotary column 21 is inserted into the circular knife net 11, and the movable blade 22 protrudes outwards and cannot be inserted into the circular knife net 11 under the influence of the return spring 23, so that the movable blade 22 needs to be pressed by a hand to enable the movable blade 22 to contract inwards and then be inserted into the circular knife net 11, and then the circular knife net 11 needs to be assembled and disassembled.

In this embodiment, an included angle a between a center line of the X-shaped knife slot 211 and an axis of the rotary column 21 is 5 ° to 30 °, and is preferably 7 °, so that while the sharpness of the blade edge 221 of the movable blade 22 is ensured, it is also ensured that no cutting dead angle exists in the circular knife net 11, for example, the angle is set to be too large, such as 45 °, so that the length of the movable blade 22 is relatively shortened, and in the use process, the rotation trajectory of the movable blade 22 cannot completely cover the hair inlet hole 111 of the circular knife net 11, resulting in a shaving dead angle existing in the circular knife net 11, and therefore, the included angle range provided in this embodiment is an optimal technical scheme; of course, the value can be freely selected in the range of 5 ° to 30 ° according to actual requirements, and this embodiment is not further limited.

In this embodiment, in order to facilitate the installation, fixation, and telescopic displacement of the movable blade 2, the movable blade 22 includes a body 223, the sliding slot holes 222 are disposed at the upper and lower ends of the body 223, the blade 221 is disposed at the outer side of the body 223, and the width of the blade 221 is greater than that of the body 223, so that the rotating tracks of the movable blade 22 in the two sets of X-shaped blade slots 211 are overlapped, the blade 221 is fixed with the body 223 in an inclined shape and is an integral structure, and the inclined direction of the blade 221 is the same as the rotating direction of the movable blade 22; the inner side of the body 223 is provided with a U-shaped open slot 224, the bottom of the open slot 224 is provided with a spring seat 225, and the return spring 23 is sleeved in the spring seat 225 and fixedly connected with the movable blade 22. The width of the blade 221 is set to be larger than that of the body 223, when the movable blades 22 are installed in the X-shaped blade grooves 211 at the upper end and the lower end of the rotary column 21, the transverse movable blades 22 and the longitudinal movable blades 22 can be overlapped, so that the rotating tracks of the movable blades 22 in the X-shaped blade grooves 211 at the upper end and the lower end can be overlapped and staggered together during rotary shaving, the shaving dead angle cannot exist in the circular cutter mesh 11, and the shaving effect is guaranteed. The blade 221 is inclined in the same direction as the rotation direction of the drive mechanism 4, and this structure can significantly increase the sharpness of the blade 221 of the movable blade 22 and improve the shaving effect. In order to facilitate the installation of the return spring 23, an open slot 224 is formed in the middle of the movable blade 22, and the movable blades 22 installed on the two opposite sides of the X-shaped blade slot 211 can be installed in a crossed manner by arranging the open slot 224, so that the two movable blades 22 are prevented from interfering when the movable blades 22 are stressed to contract inwards to influence the telescopic displacement of the movable blades 22; and the spring seat 225 is arranged at the slot degree of the open slot 224, so that two ends of the reset spring 23 can be conveniently connected with the movable blades 22 in two sides of the X-shaped cutter slot 211, and the movable blades 22 can be automatically reset to be contacted with the inner peripheral side wall of the circular cutter mesh 11 after being forced to contract inwards, and the hair shaving effect is ensured.

In the embodiment, in order to reduce noise in the working process of the movable cutter head 2 and ensure the coaxiality of the movable cutter head 2 and the circular cutter mesh 11, the top end of the rotating column 21 is provided with a positioning shaft 215, the bottom end of the rotating column 21 is provided with a driving shaft 216, a D-shaped counter bore 217 is arranged in the driving shaft 216, and the driving mechanism 4 is inserted into the D-shaped counter bore 217 to be linked with the rotating column 21; bearings 218 are respectively sleeved on the positioning shaft 215 and the driving shaft 216 at the upper end and the lower end of the rotating column 21, and the two bearings 218 are respectively clamped in the central counterbore 1211 of the upper cover 121 and the base 122; an annular bulge 1221 is arranged in the base 122, a bearing 218 outside the driving shaft 216 is arranged at the bottom of the annular bulge 1221, and a sealing gasket 219 is arranged between the annular bulge 1221 and the bearing 218; the annular projections 1221 and the upper cover 121 are respectively provided with annular grooves 123, and the support rings 13 fixed in the annular knife net 11 are respectively inserted into the corresponding annular grooves 123, so that the annular knife net 11 is detachably fixed between the upper cover 121 and the base 122; the two ends of the rotary column 21 are respectively provided with the positioning shaft 215 and the driving shaft 216, the bearings 218 are additionally arranged on the positioning shaft 215 and the driving shaft 216, and the bearings 218 are clamped into the central counterbore 1211 of the upper cover 121 and the base 122 to fix the rotary column 21, so that the coaxiality of the circular cutter mesh 11 of the rotary column 21 can be ensured, meanwhile, the friction resistance of the rotary column 21 in the rotating process can be effectively reduced, the noise is reduced, and the use comfort of the shaver is improved. In order to prevent the bearing 218 on the driving shaft 216 from displacing, an annular projection 1221 is arranged in the base 122, and a sealing gasket 219 is arranged between the annular projection 1221 and the bearing 218, so that when cleaning is needed, a waterproof effect can be achieved, and the use safety of the driving mechanism 4 is protected; in order to facilitate the detachment and installation of the circular cutting net 11, the annular groove 123 is additionally arranged in the annular protrusion 1221 of the upper cover 121 and the base 122, so that the support ring 13 can be quickly inserted into the annular groove 123 to detachably and fixedly connect the circular cutting net 11 with the stationary blade holder 12.

The utility model provides a shaver with ring tool bit, includes this novel ring tool bit and casing 3 that requires protection, ring tool bit detachable fixes the one end at casing 3, actuating mechanism 4 arrange in casing 3 and with move the linkage of tool bit 2 and be connected, actuating mechanism 4 is connected and power supply 5 is connected with 5 electricity of power supply and power supply 5 is fixed in casing 3 actuating mechanism 4 and power supply 5 between be equipped with control switch 6, this control switch 6 and casing 3 looks fixed connection. The circular cutter head is detachably and fixedly connected with one end of the shell 3, the movable cutter head 2 in the circular cutter head is in linkage connection with the driving mechanism 4 installed in the shell 3, when the circular cutter head needs to be used, the driving mechanism 4 can be started by opening the control switch 6, and therefore the driving mechanism 4 is used for driving the movable cutter head 2 to rotate and the circular cutter mesh 11 to be matched for cutting hair, and the hair shaving effect is achieved. Secondly, the cutter net is changed into a circular shape from the original U shape or disc shape and a vertical installation mode is adopted, so that the hair feeding area of the shaver is enlarged, and a circular cutter net 11 capable of feeding hair in 360 degrees without dead angles is formed; secondly, when rotating to shave or shave hair, the skin is no longer limited to contact with a certain position of the circular cutter mesh 11, the periphery of the circular cutter mesh 11 can contact with the skin, thus effectively avoiding the phenomenon that the service life of the cutter mesh is shortened due to excessive abrasion of a certain position of the circular cutter mesh 11; the modeling is unique, the style is novel, and the aesthetic requirements of modern people can be greatly met; but also can quickly disassemble, clean or replace the circular cutter net 11, thereby ensuring the cleanness and sanitation of the shaver and prolonging the service life of the shaver.

In actual use, the base 122 of the stationary blade holder 12 is in threaded connection with the housing 3; the control switch 6 can be arranged on the peripheral side wall of the shell 3 or the outer end part of the circular cutter mesh 11 (namely, the end surface of the upper cover 121 of the stationary cutter holder 12) and is made into a button switch; the device can also be designed into a sheath structure, is sleeved outside the circular cutter mesh 11, and controls the start and the close of the driving mechanism 4 by the up-and-down sliding of the sheath; the specific structure of the control switch 6 can be determined according to the needs of the user or the market, and the present embodiment is not further limited.

In the production process, the outer diameter of the shell 3 can be changed along with the inner diameter of the circular cutter mesh 11, and is matched with the outer diameter of the circular cutter mesh 11 or slightly larger than the diameter of the circular cutter mesh 11; if the inner diameter of the circular cutter net 11 is set to be 1cm, the outer diameter of the shell 3 can be matched with the outer diameter of the circular cutter net 11 to form a pen-shaped portable shaver, and the portable shaver is convenient to carry and use. If the inner diameter of the circular cutter net 11 is set to be 3cm or more, the outer diameter of the shell 3 is relatively matched with the circular cutter net 11, so that the volume of the shaver is reduced to the maximum extent, the power of the driving mechanism 4 can be increased, and the hair shaving effect of the shaver is ensured.

In the embodiment, in order to improve the universality of the shaver, adapt to different scenes for use and realize multifunctional combination, the other end of the shell 3 is provided with the flashlight 7, the flashlight 7 is in threaded connection with the shell 3, and the anode and the cathode of the flashlight 7 are respectively and electrically connected with the power source 5 and the control switch 6. The flashlight 7 structure is additionally arranged at the other end of the shell 3, so that the hair shaving requirement of one end of the hair shaver can be met, the using function of the hair shaver can be expanded at the other end, and the lighting function is realized. In the actual use process, the flashlight can also be arranged at the other end of the housing 3 opposite to the end where the circular tool bit is installed, or the flashlight 7 can be directly additionally arranged on the upper cover 121 of the stationary tool apron 12 to be fixed with the upper cover 121, and the arrangement at the other end of the housing 3 or on the stationary tool apron 12 can be determined according to the requirements of the user, which is not further limited in this embodiment. The flashlight is a conventional existing product, and the light source is an LED cold light source.

In the embodiment, in order to expand the use scene of the shaver and realize multifunctional application, a writing pen point 8 is arranged at the other end of the shell 3, and the writing pen point 8 is fixed with the shell 3 in a threaded connection mode. By mounting the writing pen point 8 on the housing 3 opposite to the other end on which the circular cutter mesh 11 is mounted, the portable shaver can be taken out at any time when necessary, so that the requirements for shaving can be met while the requirements for shaving are ensured. In the actual use process, the flashlight 7 and the writing pen point 8 can be simultaneously installed on the shaver, for example, the flashlight is installed in the upper cover 121 of the static knife holder 12, the circular knife head is fixed with one end of the shell 3, and the writing pen point 8 can be installed at the other end of the shell 3, so that the shaver can simultaneously realize three functions; of course, a flashlight or a writing pen point 8 can be arranged on the other end of the shell 3 opposite to the end where the circular tool bit is arranged, and one of the flashlight and the writing pen point is selected.

In this embodiment, in order to protect the writing tip 8 and facilitate the installation of the writing tip 8, the writing tip 8 includes a pen barrel 81, a pen point 82 with a tapered cross section, a pen core 83, a pen core sleeve 84 and a gland 85, one end of the pen barrel 81 is connected with the casing 3 by screw threads, the other end is provided with a through hole, the pen core sleeve 84 is rotatably disposed in the through hole, one end of the pen core 84 is connected with the pen point 82 in an interference fit manner, so that the bottom end surface of the pen point 82 is attached to the end surface of the pen barrel 81, one end of the pen core 83 is disposed in the pen core sleeve 84, the other end of the pen core 83 is attached to the gland 85, the gland 85 is connected with the pen core sleeve 84 by screw threads, and the pen core 83 and the gland 85; the end of the pen core 83 is inserted into the pressing cap 85 and forms fixed connection with the pressing cap 85 in an interference fit mode. The pen container 81 can be connected with the shell 3 through the screw thread by using the pen container 81, a through hole is arranged in the pen container 81, one end of the pen core sleeve 84 can pass through the through hole and be arranged outside the pen container 81 to be connected with the pen point 82 in an interference fit manner, so that the pen point 82 can be rotatably fixed at the outer end face of the pen container 81, the press cover 85 is connected with the other end of the pen core sleeve 84 through the screw thread, so that the pen core 83 is arranged in the pen core sleeve 84, and the outer side of the press cover 85 is provided with a limiting rod, so that when the writing is needed, the pen point 82 can be rotated to enable the pen point 82 to drive the pen core sleeve 84 to rotate, and because one end of the pen core sleeve 84 is fixedly connected with the pen point 82 in the interference fit manner, when the pen core sleeve 84 rotates, the press cover 85 also synchronously rotates, and is limited by the limiting rod, the; when writing is not needed, the pen point 82 is rotated reversely, the pressing cover 85 is driven to spirally descend along the pen core sleeve 84 by the rotation of the pen core sleeve 84 to enable the pen core 83 to retract inwards, and therefore the purpose of protecting the writing pen point 8 is achieved.

In the embodiment, in order to expand the use scene of the shaver, realize multifunctional application and improve the added value of the shaver, the other end of the shell 3 is provided with a nose hair cutter head 9, and the nose hair cutter head 9 is in threaded connection with the shell 3 and is in linkage connection with the driving mechanism 4; the nose hair cutter head 9 is additionally arranged at one end, opposite to the end where the circular cutter net 11 is arranged, of the shell 3, the nose hair cutter head 9 is in threaded connection with the shell 3 and is in linkage connection with the driving mechanism 4, the driving mechanism 4 is a double-shaft motor, output shafts at two ends of the double-shaft motor are respectively connected with the circular cutter head and the nose hair cutter head 9, when the double-shaft motor drives the circular cutter head, the nose hair cutter head 9 can synchronously rotate to work, the hair shaver has the hair shaving function and the nose hair trimming function simultaneously, the multiple purposes of one machine are achieved, a user does not need to buy a nose hair trimmer independently, the living expense is saved, and the additional value of the hair shaver is effectively improved. When the combination is adopted, the upper cover 121 of the circular cutter head can be simultaneously provided with the flashlight or the writing pen point 8, so that the three functions are integrated, hair shaving and nose hair trimming are ensured, and the circular cutter head can be used for lighting or writing; the specific combination is determined according to the user requirement or market demand, and this embodiment is not further limited.

Since the nose hair cutter head 9 is an existing product, the technical scheme does not relate to the improvement of the nose hair cutter head 9, and therefore, the structure of the nose hair cutter head 9 is not described in detail, and after the technical scheme is read, a person skilled in the art can understand the design intention of the technical scheme without creative labor and realize a product with the design intention.

In order to reduce the use cost of the shaver, the power source 5 arranged in the shell 3 is a rechargeable battery, the positive electrode and the negative electrode of the rechargeable battery are electrically connected with the charging interface 51, the charging interface 51 is fixed in the cap 52, the cap 52 is provided with an internal thread and an external thread, the external thread is in threaded connection with the shell 3, so that the charging interface 51 is fixed in the shell 3, the expansion module (such as a flashlight, a writing pen point or a nose hair cutter head) can be fixedly connected with the internal thread, when charging is needed, the expansion module is disassembled, a charging plug is inserted into the charging interface, so that the rechargeable battery can be charged, and after charging is completed, the charging wire is pulled out, and then the expansion module is in threaded connection with. The charging interface is a Micro usb interface.

In the manufacturing, the functional combination of the shaver can be determined according to the requirements of the user or the market demands, the combination mode given by the technical scheme is only to give some specific combination examples, and other functional modules can be replaced or changed freely by the technical scheme of the invention, therefore, the technical scheme can not be considered as being limited by the following specific combination examples:

combination example one (as shown in fig. 12): the upper end of the shell is provided with a circular cutter head, and the lower end of the shell is provided with a flashlight functional module.

Combined example two (as shown in fig. 13): the upper end of the shell is provided with a circular cutter head, and the lower end of the shell is provided with a writing pen point (the pen core can be a common writing pen core or a eyebrow trimming pen core) module.

Combined example three (as shown in fig. 14): the upper end of the shell is provided with a circular cutter head, and the lower end of the shell is provided with a nose hair cutter head 9.

Combined example four (as shown in fig. 15): the upper end of the shell is provided with a circular cutter head, the upper cover of the circular cutter head is provided with a flashlight, and the lower end of the shell is provided with a writing pen point.

Combined example v (as shown in fig. 16): the upper end of the shell is provided with a circular cutter head, the upper cover of the circular cutter head is provided with a flashlight, and the lower end of the shell is provided with a vibrissa cutter head.

Combined example six (as shown in fig. 17): the upper end of the shell is provided with a circular cutter head, the upper cover of the circular cutter head is provided with a writing pen point, and the lower end of the shell is provided with a vibrissa cutter head.

The above embodiments should not be considered as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.

Claims

1. The utility model provides a ring tool bit, is including quiet tool bit and moving the tool bit, its characterized in that quiet tool bit including ring sword net and quiet tool holder, this ring sword net is connected fixedly with quiet tool holder, and is equipped with a plurality of pore of intaking on the all lateral wall of ring sword net, move the tool bit and arrange in the ring sword net and contact with all lateral walls, and move the rotatable fixing of tool bit and be connected with actuating mechanism linkage in quiet tool holder.

2. The circular cutter head as claimed in claim 1, wherein the circular cutter net has a length of 1cm to 10cm, an inner diameter of 0.5cm to 8cm and a thickness of 0.01mm to 0.5 mm.

3. The circular cutter head according to claim 2, wherein the stationary cutter holder comprises an upper cover and a base, two ends of the circular cutter net are communicated, the top end of the circular cutter net is detachably and fixedly connected with the upper cover, the bottom end of the circular cutter net is detachably and fixedly connected with the base, a central counter bore is arranged in the upper cover, one end of the movable cutter head is inserted into the central counter bore, and the other end of the movable cutter head is rotatably fixed in the base and is in linkage connection with the driving mechanism.

4. The circular cutter head as claimed in claim 3, wherein the openings at the two ends of the circular cutter net are respectively provided with a reinforcing ring, the reinforcing ring and the circular cutter net are of an integral structure, the inner side wall of the reinforcing ring is respectively provided with a support ring fixedly connected with the reinforcing ring, and each support ring is respectively inserted and fixed with the corresponding upper cover and the corresponding base.

5. The circular cutter head according to any one of claims 1 to 4, wherein the movable cutter head comprises a rotary column and a movable cutter blade, the movable cutter blade is telescopically fixed in the rotary column, the cutting edge of the movable cutter blade is contacted with the inner peripheral side wall of the circular cutter mesh, two ends of the rotary column are rotatably fixed in the upper cover and the base, and one end of the rotary column is in linkage connection with the driving mechanism.

6. The circular cutter head as claimed in claim 5, wherein two sets of X-shaped cutter slots are formed in the rotary column, the openings of the two X-shaped cutter slots are arranged at the upper and lower ends of the rotary column in a cross manner and face different directions, the X-shaped cutter slots are respectively provided with oppositely arranged movable blades, and the cutting edges of the movable blades are in contact with the inner peripheral side wall of the circular cutter net; the upper end and the lower end of the X-shaped cutter groove are respectively provided with a pin hole penetrating through the rotating column, the corresponding position of each movable blade is provided with a sliding slot hole, and a pin shaft is inserted into the pin hole to penetrate through the sliding slot hole so that each movable blade can be fixed in the X-shaped cutter groove of the rotating column in a sliding manner.

7. The circular cutter head as claimed in claim 5, wherein the rotary column has fixed cutter slots at its upper and lower ends, respectively, and the fixed cutter slots are arranged in a cross manner, the fixed cutter slots are parallel to the central axis of the rotary column or inclined to the central axis of the rotary column; the center of the fixed cutter groove is provided with a spring hole, a return spring is arranged in the spring hole, and two ends of the return spring are respectively abutted against the movable blades arranged at two ends of the fixed cutter groove so that the blades of the two movable blades are respectively contacted with the inner side wall of the circular cutter net; the upper end and the lower end of the fixed cutter groove are respectively provided with a pin hole penetrating through the rotating column, the corresponding positions of the movable blades arranged at the two ends of the fixed cutter groove are provided with sliding slotted holes, and a pin shaft is inserted into the pin hole to penetrate through the sliding slotted holes so that the movable blades can be fixed in the fixed cutter groove of the rotating column in a sliding manner.

8. The circular cutter head as claimed in claim 6, wherein a spring hole penetrating the rotary column is formed at the intersection of the X-shaped cutter grooves, a return spring is installed in the spring hole, and two ends of the return spring are respectively connected with the inner ends of the movable cutter grooves oppositely arranged in the X-shaped cutter grooves in a pressing manner; the reset spring enables each movable blade to have a first working position which is contracted inwards under the action of external force and a second working position which restores the movable blade to be contacted with the inner peripheral side wall of the circular knife net when the external force is removed.

9. The circular cutter head as claimed in claim 8, wherein the angle between the center line of the X-shaped cutter groove and the axis of the rotary column is 5 ° to 30 °.

10. The circular cutter head as claimed in claim 9, wherein the movable blade comprises a body, sliding slot holes are formed in the upper and lower ends of the body, the blade is arranged on the outer side of the body, the width of the blade is larger than that of the body, so that the rotating tracks of the movable blade in the two X-shaped blade grooves are overlapped, the blade is fixed with the body in an inclined shape and is of an integral structure, and the inclined direction of the blade is the same as the rotating direction of the movable blade; the inner side of the body is provided with a U-shaped open slot, the bottom of the open slot is provided with a spring seat, and the reset spring is sleeved in the spring seat and is fixedly connected with the movable blade.

11. The circular cutter head as claimed in claim 10, wherein a positioning shaft is provided at the top end of the rotary column, a driving shaft is provided at the bottom end of the rotary column, a D-shaped counter bore is provided in the driving shaft, and the driving mechanism is inserted into the D-shaped counter bore to be linked with the rotary column; bearings are respectively sleeved on the positioning shaft and the driving shaft at the upper end and the lower end of the rotating column, and the two bearings are respectively clamped in the central counter bore of the upper cover and the base; an annular bulge is arranged in the base, a bearing outside the driving shaft is arranged at the bottom of the annular bulge, and a sealing gasket is arranged between the annular bulge and the bearing; the annular bulges and the upper cover are respectively provided with an annular groove, and the support rings fixed in the annular cutter net are respectively inserted into the corresponding annular grooves to detachably fix the annular cutter net between the upper cover and the base.

12. A shaver with a circular cutter head is characterized by comprising the circular cutter head and a shell as claimed in any one of claims 1 to 11, wherein the circular cutter head is detachably fixed at one end of the shell, a driving mechanism is arranged in the shell and is in linkage connection with a movable cutter head, the driving mechanism is electrically connected with a power source, the power source is fixed in the shell, a control switch is arranged between the driving mechanism and the power source, and the control switch is fixedly connected with the shell.

13. The device of claim 12, wherein a flashlight is disposed at the other end of the housing, the flashlight is threaded into the housing, and the positive and negative poles of the flashlight are electrically connected to the power source and the control switch, respectively.

14. A razor with a circular cutting head as claimed in claim 12, wherein a writing nib is provided at the other end of the housing and is fixed to the housing by a screw thread connection.

15. The device of claim 14, wherein the writing tip comprises a barrel, a nib having a tapered cross-section, a refill, a cartridge housing, and a cap, wherein one end of the barrel is threadedly coupled to the housing and the other end of the barrel is provided with a through hole, the cartridge housing is rotatably disposed in the through hole, and one end of the cartridge housing is coupled to the nib in an interference fit manner such that a bottom end surface of the nib is engaged with an end surface of the barrel, one end of the refill is disposed in the cartridge housing and the other end of the refill is engaged with the cap, the cap is threadedly coupled to the cartridge housing and drives the refill and the cap to move up and down when the nib drives the cartridge housing to rotate forward and backward.

16. A hair shaver with a circular ring of cutter heads as claimed in claim 12, wherein a nose hair cutter is provided at the other end of said housing, said nose hair cutter being screw-coupled to said housing and being operatively coupled to said driving mechanism.