CN115431306A - Combined shaving movable cutter and shaver - Google Patents

Abstract

The invention relates to a combined shaving movable cutter and a shaving device, which are characterized in that at least one cutter holder which is detachably and movably connected with a base and moves synchronously with the base is arranged outside the base, and a plurality of movable blades are arranged on the outer surface of the cutter holder at intervals side by side; an elastic part is arranged between the tool apron and the base, the elastic part is pressed against the tool apron under an initial state to enable the movable blade to be respectively attached to the inner wall of the static knife, and the movable blade and the tool apron can synchronously move along the base after the static knife is stressed. The invention has the advantages that the tool apron is additionally arranged on the base, the movable blades are fixed on the tool apron side by side at intervals, and the tool apron can be quickly and movably connected with the base during assembly, so that the assembly benefit is improved. When the movable knife needs to be cleaned, the knife holder is detached, and each movable knife blade and the base on the knife holder can be cleaned independently, so that the use sanitation and safety of the movable knife are improved.

Description

Combined shaving movable cutter and shaver

Technical Field

The invention relates to a shaving blade, in particular to a combined type shaving movable blade and a shaving device, which are mainly applied to the field of hair trimming.

Background

The applicant filed a patent application on 23/9/2019 with the name: a kind of circular cutter head and shaver with circular cutter head, patent number: 201921589063X, publication No.: CN210791081U, which discloses a circular knife net and a moving knife head rotating and cutting along the circular knife net, wherein the moving knife head is composed of a rotating column and a moving knife blade arranged in the rotating column, and the technical problem that the service life of the knife net is shortened due to the fact that the local abrasion of the knife net is too fast can be solved by adopting the circular knife net; although the circular knife net can prevent the skin of a user from always contacting the same position of the knife net, the service life of the knife net is prolonged. The movable cutter head is composed of a rotating column, a movable cutter blade, a return spring and the like, the movable cutter blade is movably arranged in an X-shaped groove of the rotating column through a pin shaft, the structure is relatively complex, production and processing are not facilitated, the assembly benefit is low, and the production cost of the shaver is relatively increased; and the cleaning difficulty is high, so that germs are easily grown in the X-shaped groove in the rotating column.

Disclosure of Invention

To solve the above technical problems; the invention provides a combined movable shaver and a shaver, wherein the combined movable shaver has a simple structure, is easy to produce, assemble and clean, improves the production and assembly benefits, reduces the production and assembly cost, and improves the sanitation and safety of the shaver. Moreover, the selection of different types of moving blades also makes the knife suitable for hair cutting operations with reciprocating or rotary shavers.

In order to solve the technical problems, the technical scheme adopted by the invention is a combined shaving movable cutter which comprises a base and a movable blade, wherein one end of the base is in linkage connection with a driving mechanism, the movable blade is arranged on the base, at least one cutter holder which is detachably and movably connected with the base and moves synchronously with the base is arranged outside the base, and the movable blade is provided with a plurality of blades which are arranged on the outer surface of the cutter holder side by side at intervals; an elastic element is arranged between the cutter holder and the base, the elastic element is abutted against the cutter holder in an initial state to enable each movable blade to be respectively attached to the inner wall of the static cutter, and each movable blade and the cutter holder can synchronously move along the base after the static cutter is stressed.

Preferably, the blade holder be the local of the outer surface of base of parcel at least of arc, the radian of blade holder and the crooked radian looks adaptation of quiet sword make the knife section that sets up in the blade holder surface laminate with quiet sword inner wall under the elastic force effect of elastic component mutually to blade holder intrados can form spacingly by laminating the outer surface of base when blade holder inwards displaced to the base after the knife section pressurized.

Preferably, the base is a cylinder, the tool apron is arc-shaped and provided with three pieces, and the three pieces are annularly arranged outside the base to wrap the base to form a concentric circle; the number of the elastic elements is the same as that of the tool holders and the elastic elements are respectively arranged between the tool holders and the base, each elastic element pushes the tool holders in an initial state to enable the movable blades outside the tool holders to be attached to the inner wall of the static blade, and the movable blades and the tool holders can respectively move towards the axis of the base to be attached to the outer surface of the base to form limiting under the action of external pressure.

Preferably, the elastic element is a spring, and the spring is arranged between the tool apron and the base and pushes the tool apron to enable the movable blades on the tool apron to be attached to the inner wall of the stationary knife.

Preferably, a limiting column is arranged on the tool apron opposite to the other end face provided with the movable blade, a limiting hole is formed in the limiting column, an installation cavity is formed in the position corresponding to the base, a positioning column is arranged in the installation cavity, the limiting column is inserted into the installation cavity, the limiting hole is sleeved outside the positioning column, the tool apron is detachably and movably connected with the base, a spring is sleeved outside the limiting column and is arranged in the installation cavity, one end of the spring is abutted against the inner end face of the tool apron, and the other end of the spring is abutted against and press-fitted with the bottom of the installation cavity.

Preferably, one end of the cutter holder is provided with a shaft connecting hole, the other end of the cutter holder is provided with a limiting shaft, the shaft connecting hole is connected with the driving mechanism, and the limiting shaft is inserted into the static cutter holder for fixing the static cutter to enable the movable cutter and the static cutter to be coaxially arranged.

Preferably, the movable blade is straight and is vertically fixed on the outer surface of the tool apron side by side at intervals, one end of the base is connected with the driving mechanism, and the driving mechanism drives the tool apron and the movable blade to horizontally and reciprocally swing along the inner wall of the stationary knife.

Preferably, the movable blades are spiral, and the movable blades on the cutter seats which are annularly arranged are sequentially connected to form a continuous spiral blade; one end of the base is connected with the driving mechanism and drives the tool holders and the movable blade to rotate along the inner wall of the static knife under the driving of the driving mechanism.

On the basis of the technical scheme, the shaver comprises the combined shaving movable knife.

The invention has the advantages that the tool apron is additionally arranged on the base, the movable blades are fixed on the tool apron side by side at intervals, and the tool apron can be quickly and movably connected with the base during assembly, so that the assembly benefit is improved. When the movable knife needs to be cleaned, the knife holder is detached, and each movable knife blade and the base on the knife holder can be cleaned independently, so that the use sanitation and safety of the movable knife are improved. Secondly, add between blade holder and the base and establish the elastic component, during the equipment, the elastic component just probably supports to press the blade holder through its elasticity and makes each movable blade on the blade holder keep contacting with the quiet sword inner wall all the time, guarantees the pruning performance of hair. And the elastic component can also play a role in protecting the static knife and the movable knife, when the static knife bears the pressure of skin, the movable knife and the knife holder can overcome the elasticity of the elastic component and can synchronously move downwards along with the static knife, thereby effectively preventing the static knife from being broken and the movable knife from being bent, deformed or broken, and prolonging the service life of the static knife and the movable knife.

Drawings

FIG. 1 is a perspective view of a combined shaving blade according to an embodiment of the present invention

FIG. 2 is a side view of a combined shaving blade according to an embodiment of the present invention

FIG. 3 is a sectional structure view of a combined shaving blade according to an embodiment of the present invention

FIG. 4 is a perspective view of a base according to an embodiment of the present invention

FIG. 5 is a perspective view of the knife holder and the movable blade of the present invention

FIG. 6 is an assembled cross-sectional view of a combined shaving blade according to an embodiment of the present invention

FIG. 7 is a perspective view of the spiral movable blade of the present invention

FIG. 8 is a perspective view of the shaver assembled as a combined shaver blade

Detailed Description

The embodiments of the invention will be further explained with reference to the drawings in which:

as shown in fig. 1-7, the invention is a combined shaving movable knife, comprising a base 1 with one end connected with a driving mechanism in a linkage way and a movable blade 3 arranged on the base 1, in order to facilitate the assembly of the movable blade 3 and the cleaning of the movable knife, at least one knife holder 2 which is detachably and movably connected with the base 1 and moves synchronously with the base 1 is arranged outside the base 1, and the movable blade 3 is provided with a plurality of blades which are arranged on the outer surface of the knife holder 2 at intervals side by side; the tool apron 2 is additionally arranged on the base 1, the movable blades 3 are fixed on the tool apron 2 side by side at intervals, and during assembly, the tool apron 2 and the base 1 can be quickly and movably connected, so that the assembly benefit is improved. When the movable knife needs to be cleaned, the knife holder 2 is detached, and then the movable knife blades 3 and the base 1 on the knife holder 2 can be cleaned independently, so that the use sanitation and safety of the movable knife are improved. In order to improve the hair trimming benefit of the movable blade and prevent the static blade 5 and the movable blade 3 from being damaged, an elastic part 4 is arranged between the blade holder 2 and the base 1, the elastic part 4 is pressed against the blade holder 2 in an initial state to enable the movable blade 3 to be respectively attached to the inner wall of the static blade 5, and the movable blade 3 and the blade holder 2 can synchronously move along the base 1 after the static blade 5 is stressed. The elastic piece 4 is additionally arranged between the cutter holder 2 and the base 1, and when the hair clipping machine is assembled, the elastic piece 4 can press the cutter holder 2 through the elasticity of the elastic piece to enable each movable blade 3 on the cutter holder 2 to be in contact with the inner wall of the fixed blade 5 for a long time, so that the hair clipping performance is guaranteed. Secondly, the elastic component 4 can also play a role in protecting the static knife 5 and the movable knife 3, when the static knife 5 bears the pressure of the skin, the movable knife 3 and the knife holder 2 can overcome the elasticity of the elastic component 4 and can synchronously move downwards along with the static knife 5, thereby effectively preventing the static knife 5 from being broken and the movable knife 3 from being bent and deformed or broken, and prolonging the service life of the static knife 5 and the movable knife.

The shape of quiet sword 5 has U-shaped, ring shape and disc etc. for making the movable cutter be applicable to U-shaped or ring shape quiet sword 5, blade holder 2 be the arc and wrap up the local of 1 surface of base at least, the radian of blade holder 2 and the crooked radian looks adaptation of quiet sword 5 make set up in blade 3 of blade holder 2 surface laminate with 5 inner walls of quiet sword under the elastic force effect of elastic component 4 mutually to blade holder 2 intrados can laminate base 1 surface and form spacingly when 1 internal displacement of base after blade 3 pressurized. Because the U-shaped or circular ring shape of the static knife 5 is provided with the curved surface, the knife holder 2 is provided with the arc shape matched with the curved curvature of the static knife 5, after the movable blade 3 is fixed on the outer surface of the knife holder 2, each movable blade 3 can be attached to the curved part of the static knife 5 under the elastic action of the elastic part 4, and the hair trimming benefit of the movable knife is ensured. The arc-shaped cutter seat 2 covers and wraps part or all of the outer surface of the base 1, and is determined mainly by the shape of the static cutter 5. For example, when the stationary blade 5 is U-shaped, the hair cutting area is only the curved portion and the portion connecting the two sides of the curved portion, and the tool post 2 only needs to cover the U-shaped curved portion of the base 1 facing the stationary blade 5 in consideration of the production cost, so as to reduce the number of the tool post 2 and the movable blade 3 to the maximum extent and reduce the production cost. Secondly, when the static knife 5 bears the skin pressure, the movable blade 3 and the knife holder 2 can overcome the elastic force of the elastic element 4 to displace towards the base 1 and be attached to the base 1, so that the base 1 can limit the knife holder 2, the static knife 5, the movable blade 3 and the knife holder 2 are prevented from excessively floating downwards to damage a net piece of the static knife 5, and the service life of the static knife 5 is prolonged.

When the stationary blade 5 is circular, the area for cutting hair is large, so that the number of the blade holders 2 needs to be increased and the entire outer surface of the base 1 needs to be covered to meet the hair cutting requirement of the circular stationary blade 5. In view of this, the tool apron 2 is arc-shaped and is provided with three, the included angle between two side edges of each blade is trisection of 360 degrees, and the blade is annularly arranged outside the base 1 to wrap the base 1 therein to form a concentric circle, the base 1 is a cylinder, and the inner arc surface of the tool apron 2 is attached to the outer surface of the base 1. Elastic pieces 4 are arranged between each cutter holder 2 and the base 1 respectively, and in an initial state, the elastic pieces 4 prop open the space between the inner arc surface of the cutter holder 2 and the outer surface of the base 1 and enable each movable blade 3 to be in contact with the inner wall of the static cutter 5 respectively, so that the hair trimming benefit between the movable blades and the static cutter 5 is guaranteed. When the annular static knife 5 bears skin pressure to enable the static knife 5 to bend and deform downwards, the movable blades 3 and the knife holder 2 can overcome the elasticity of the elastic piece 4 and move towards the inside of the base 1 to give up space, and the movable blades 3 are protected to prevent the cutting edges of the movable blades 3 from being damaged or broken. And after the movable blade 3 and the tool apron 2 are stressed and move a certain distance to the direction of the base 1, the inner arc surface of the tool apron 2 contacts with the outer surface of the base 1, so that the outer surface of the base 1 can play a limiting role, the static blade 5, the movable blade 3 and the tool apron 2 are effectively prevented from excessively floating downwards to tear a net piece of the static blade 5, and the service life of the static blade 5 is prolonged. In the actual production process, the arrangement of the tool apron 2 is determined according to the area size of the pore on the static tool 5, and if the pore entering area of the circular static tool 5 is less than or equal to 180 degrees, the tool apron 2 can be provided with two pore entering areas covering the static tool 5. For example, the pore-entering areas of the circular ring-shaped stationary knife 5 are uniformly distributed in 360 degrees, the knife holder 2 can be provided with three, four or more pores, and only the pore-entering areas need to be covered, which can be determined according to actual needs or user requirements. And base 1 also can not adopt the cylinder, for example, square or triangle body etc. also can realize the detachable swing joint between blade holder 2 and the base 1, nevertheless adopts the cylinder, and when blade holder 2 downward displacement floated, the contact of 2 intrados of blade holder and 1 surfaces of base was more reliable, can effectively promote limiting displacement, and consequently, the embodiment of this embodiment is preferred embodiment.

In an initial state, in order to ensure the fit between the inner walls of the movable blades 3 and the stationary blades 5, improve the hair trimming performance and prevent the stationary blades 5 and the movable blades 3 from being damaged due to compression, the elastic member 4 is a spring, and the spring is arranged between the cutter holder 2 and the base 1 and presses the cutter holder 2 to enable the movable blades 3 on the cutter holder 2 to be fit with the inner walls of the stationary blades 5. Springs are arranged between the base 1 and the tool holders 2, and the tool holders 2 are pressed by the elasticity of the springs, so that the movable blades 3 arranged on the outer surfaces of the tool holders 2 are in contact with the inner walls of the stationary blades 5, and the hair trimming benefit of the shaver is ensured. Of course, the spring may not be provided, for example, the bow spring is provided, and the tool holder 2 may also be supported to make the moving blade 3 fit with the stationary inner blade wall.

In order to ensure that the tool apron 2 and the movable blade 3 mounted on the outer surface of the tool apron 2 synchronously swing or rotate in a reciprocating manner with the base 1, a limiting post 21 is arranged on the tool apron 2 relative to the other end face on which the movable blade 3 is arranged, a limiting hole 22 is arranged in the limiting post 21, a mounting cavity 11 is arranged at a corresponding position of the base 1, a positioning post 12 is arranged in the mounting cavity 11, and the limiting post 21 is inserted into the mounting cavity 11 to enable the limiting hole 22 to be sleeved outside the positioning post 12 so as to enable the tool apron 2 to be detachably and movably connected with the base 1. The limiting column 21 with the limiting hole 22 is additionally arranged on the inner arc surface of the tool apron 2, the limiting column 21 is inserted into the installation cavity 11 of the base 1, the positioning column 12 in the installation cavity 11 is inserted into the limiting hole 22, and the tool apron 2 is detachably and movably connected with the base 1. In order to ensure the hair trimming benefit of the movable cutter, the spring is sleeved outside the limiting column 21 and is arranged in the mounting cavity 11, so that one end of the spring is abutted against the inner end face of the cutter holder 2, and the other end of the spring is abutted against the bottom of the mounting cavity 11 for press fit, so that the movable cutter blade 3 is kept in contact fit with the inner wall of the stationary cutter 5 for a long time, and the hair trimming benefit is ensured. In the actual production process, the length of the tool apron 2 is greater than or at least equal to the covering width of the upper pores of the stationary knife 5, and due to the influence of the length, the inner arc surface of each tool apron 2 is respectively provided with two limiting columns 21 with limiting holes 22, and the working stability of the detachable movable connection of the tool apron 2 and the base 1 is ensured through the two sets of limiting columns 21, the limiting holes 22 and the two sets of corresponding mounting cavities 11 and the positioning columns 12 on the base 1. Secondly, through set up installation cavity 11 and reference column 12 in base 1, not only made things convenient for the swing joint of blade holder 2 with base 1, installation cavity 11 and reference column 12 are corresponding to be equipped with three groups and are the annular equipartition setting along base 1 week lateral wall. Moreover, when the static knife 5 bears the skin pressure to enable the movable blade 3 and the knife holder 2 to move downwards and float, the positioning column 12 on the base 1 can play a guiding role for the knife holder 2, and the mounting cavity 11 on the base 1 not only provides the mounting space for the spring, but also correspondingly provides the buffer space reserved for the downward displacement of the knife holder 2, optimizes the structure of the movable knife, and saves the occupied space for the installation of the movable knife under the condition of ensuring the service performance of the movable knife.

When the static knife 5 is installed, two ends of the static knife 5 are fixed through the static knife holder 51 respectively, in order to ensure the hair trimming benefit of the moving knife and the static knife 5, one end of the knife holder 2 is provided with a shaft coupling hole 13, the other end of the knife holder is provided with a limiting shaft 14, the shaft coupling hole 13 is connected with a driving mechanism, and the limiting shaft 14 is inserted into the static knife holder 51 for fixing the static knife 5 to enable the moving knife and the static knife 5 to be arranged coaxially. Set up shaft coupling hole 13 and spacing axle 14, during the moving blade assembly, shaft coupling hole 13 is connected with actuating mechanism, can make base 1 and actuating mechanism synchronous reciprocal swing or rotation, for blade holder 2 and the moving blade 3 of installing on base 1 provide power support, and the spacing axle 14 of the other end of base 1 inserts in the quiet blade holder 51 of fixed quiet sword 5, when actuating mechanism drives base 1 reciprocal swing or when rotatory, spacing axle 14 can provide limiting displacement for base 1, guarantee that base 1 and quiet sword 5 remain on same axis all the time, guarantee that the moving blade 3 of 2 surfaces of each blade holder is laminated with the 5 inner walls of quiet sword mutually, promote the job stabilization nature of hair pruning.

The existing electric shaver mainly has two working modes:

one of the reciprocating swing type is a reciprocating swing type, and the reciprocating swing type can be divided into a direct reciprocating type and a conversion reciprocating type, namely a rotary driving motor is arranged in the shaver, and the rotary kinetic energy of the rotary driving motor is converted into the reciprocating swing kinetic energy through an eccentric shaft structure to drive the movable knife to swing back and forth along the inner wall of the fixed knife 5 so as to trim the hair. The direct reciprocating type is to install a telescopic motor in the shaver, and the horizontal reciprocating extension of the telescopic motor is utilized to drive the movable knife to reciprocate along the inner wall of the static knife 5, so as to realize the hair trimming. The second rotary type can be divided into a fan blade type movable cutter and a spiral movable cutter, and the fan blade type movable cutter is attached to the inner wall of the disc-shaped static cutter 5 to realize rotary shaving. The spiral movable cutter is attached to the inner wall of the circular ring-shaped stationary cutter 5, the rotary motor drives the movable cutter to rotate, and spiral reciprocating shaving is realized by utilizing the rotation of the spiral blade on the movable cutter.

In order to make the movable cutter suitable for the direct reciprocating shaver, the movable blade 3 is straight and is fixed on the outer surface of the cutter holder 2 vertically in parallel at intervals, one end of the base 1 is connected with the driving mechanism and drives the cutter holders 2 and the movable blade 3 to horizontally reciprocate along the inner wall of the stationary cutter 5 under the driving of the driving mechanism, and the movable blade and the cutter holder can be molded into a whole by secondary injection.

As shown in fig. 7, in order to make the shaver suitable for rotary spiral reciprocal shaving, the movable blade 3 is spiral, and the movable blades 3 on the cutter holders 2 arranged in a ring shape are connected in sequence to form a continuous spiral blade; one end of the base 1 is connected with a driving mechanism and drives the tool holders 2 and the movable blade 3 to rotate along the inner wall of the static knife 5 under the driving of the driving mechanism.

As shown in fig. 8, on the basis of the above technical solution, a shaver is also provided, which comprises the above combined hair shaving cutter.

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

Claims (9)

1. A combined shaving movable cutter comprises a base and a movable blade, wherein one end of the base is in linkage connection with a driving mechanism, the movable blade is arranged on the base, and the combined shaving movable cutter is characterized in that at least one cutter holder which is detachably and movably connected with the base and moves synchronously with the base is arranged outside the base; an elastic part is arranged between the tool apron and the base, the elastic part is pressed against the tool apron under an initial state to enable the movable blade to be respectively attached to the inner wall of the static knife, and the movable blade and the tool apron can synchronously move along the base after the static knife is stressed.

2. The combined shaving movable knife according to claim 1 wherein the blade holder is curved to wrap at least a portion of the outer surface of the base, the curvature of the blade holder being adapted to the curvature of the stationary knife such that the movable blade disposed on the outer surface of the blade holder is engaged with the inner wall of the stationary knife under the elastic force of the elastic member, and the inner curved surface of the blade holder is engaged with the outer surface of the base to limit the position of the movable blade when the blade holder is displaced inwardly toward the base after the movable blade is pressed.

3. The combined shaving blade according to claim 2, wherein the base is a cylinder, the blade holder is arc-shaped and has three pieces annularly arranged outside the base to wrap the base therein to form concentric circles; the number of the elastic pieces is the same as that of the tool holders and the elastic pieces are respectively arranged between the tool holders and the base, each elastic piece pushes the tool holder in an initial state to enable the movable blade outside each tool holder to be attached to the inner wall of the static blade, and the movable blade and the tool holder can respectively move towards the axis of the base under the action of external pressure to be attached to the outer surface of the base to form limiting.

4. The combined shaver according to claim 1 wherein said resilient member is a spring disposed between said blade holder and said base for urging said blade holder to engage said inner wall of said stationary blade.

5. The combined shaving movable blade according to claim 4 wherein the blade holder is provided with a position-limiting post opposite to the other end surface on which the movable blade is disposed, the position-limiting post is provided with a position-limiting hole, the base is provided with a mounting cavity at a corresponding position, the mounting cavity is provided with a positioning post, the position-limiting post is inserted into the mounting cavity to allow the position-limiting hole to be sleeved outside the positioning post to allow the blade holder to be detachably and movably connected with the base, the spring is sleeved outside the position-limiting post and placed in the mounting cavity to allow one end of the spring to abut against the inner end surface of the blade holder and the other end of the spring to abut against the bottom of the mounting cavity.

6. The combined shaver according to claim 1 wherein the holder has a shaft hole at one end and a limiting shaft at the other end, the shaft hole is connected to the driving mechanism, and the limiting shaft is inserted into the stationary holder to coaxially mount the stationary knife and the movable knife.

7. The combined shaver according to any one of claims 1 to 6 wherein the movable blade is flat and vertically spaced apart from one another and secured to the outer surface of the blade holder, one end of the base is connected to the driving mechanism and is driven by the driving mechanism to drive the blade holder and the movable blade to oscillate horizontally back and forth along the inner wall of the stationary blade.

8. The combined shaving movable blade according to any one of claims 1 to 6 wherein the movable blade is helical and the movable blades on the tool holders arranged in a circular pattern are connected in sequence to form a continuous helical blade; one end of the base is connected with the driving mechanism and drives the tool holders and the movable blade to rotate along the inner wall of the static knife under the driving of the driving mechanism.

9. A shaver comprising a combined hair-shaving blade according to claim 7 or claim 8.

Images