CN220279710U - Double-blade hair clipper - Google Patents

Abstract

The utility model discloses a double-blade hair clipper, which relates to the technical field of hair tools and comprises a shell, wherein a first cutter head assembly and a second cutter head assembly are detachably connected to the shell, and the first cutter head assembly and the second cutter head assembly are vertically symmetrical; the first tool bit assembly comprises a first fixed tool and a first movable tool, and the first fixed tool is positioned above the first movable tool; the second cutter head assembly comprises a second fixed cutter and a second movable cutter, the second movable cutter is positioned below the first movable cutter, and the second fixed cutter is positioned below the second movable cutter; the first movable cutter and the second movable cutter are both positioned between the first fixed cutter and the second fixed cutter. The output end of the reciprocating driving mechanism is connected with the first movable cutter, the first movable cutter is in transmission connection with the second movable cutter, and the reciprocating driving mechanism is used for driving the first movable cutter and the second movable cutter to do reciprocating motion in the left-right direction so as to cut hair. The double-blade hair clipper avoids the first moving blade and the second moving blade from scratching the skin of a customer, and improves the safety of the double-blade hair clipper in the use process.

Description

Double-blade hair clipper

Technical Field

The utility model relates to the technical field of hairdressing tools, in particular to a pair of double-blade hair clipper.

Background

Hair clippers are a common hair cutting tool used to cut hair. At present, a common hair clipper consists of a cutter head and a driving piece, wherein the cutter head comprises two fixed cutters and movable cutters which are mutually attached, a row of cutter teeth are arranged at the front end edges of the movable cutters and the fixed cutters, and the driving piece can drive the movable cutters to reciprocate left and right, so that hairs entering a gap between two adjacent cutter teeth of the fixed cutters are cut. In the prior art, the cutter teeth of the hair clipper are exposed or partially exposed, and in the hair clipper process, a hairclipper can cut scalp, ears, neck or other sensitive parts of a customer due to improper operation of the cutter teeth on the edge of the hair clipper, so that the safety of the hair clipper in the use process is reduced.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the double-blade hair clipper, which can avoid skin passive blade cutting injury of a customer caused by improper operation of a hair clipper, and improves the safety of the double-blade hair clipper in the use process.

A double-bladed hair clipper according to an embodiment of the present utility model includes:

the shell is detachably connected with a first tool bit assembly and a second tool bit assembly, and the first tool bit assembly and the second tool bit assembly are vertically symmetrical;

the first cutter head assembly comprises a first fixed cutter and a first movable cutter, the first fixed cutter is positioned above the first movable cutter, a row of first cutter teeth are arranged at the front end of the first fixed cutter, and a row of second cutter teeth are arranged at the front end of the first movable cutter;

the second cutter head assembly comprises a second fixed cutter and a second movable cutter, the second movable cutter is positioned below the first movable cutter, the second fixed cutter is positioned below the second movable cutter, a row of third cutter teeth are arranged at the front end of the second fixed cutter, and a row of fourth cutter teeth are arranged at the front end of the second movable cutter;

the first moving knife and the second moving knife are both positioned between the first fixed knife and the second fixed knife, so that the first fixed knife and the second fixed knife cover the first moving knife and the second moving knife.

The reciprocating driving mechanism is arranged in the shell, the output end of the reciprocating driving mechanism is connected with the first movable cutter, the first movable cutter is in transmission connection with the second movable cutter, and the reciprocating driving mechanism is used for driving the first movable cutter and the second movable cutter to reciprocate in the left-right direction so as to cut hair.

Has at least the following beneficial effects:

the first movable cutter and the second movable cutter are both positioned between the first fixed cutter and the second fixed cutter, so that the first movable cutter and the second movable cutter are coated by the first fixed cutter and the second fixed cutter, the side faces of the first movable cutter and the second movable cutter, which are away from each other, are coated by the first fixed cutter and the second fixed cutter respectively, the first movable cutter and the second movable cutter are prevented from being abutted against the skin of a customer, the first movable cutter and the second movable cutter are prevented from scratching the skin of the customer in the haircutting process, and the safety of the double-cutter hair cutting scissors in the use process is improved.

According to the double-blade hair clipper disclosed by the embodiment of the utility model, the front end of the first blade tooth is provided with the first bulge, the front end of the first bulge is positioned in front of the second blade tooth, the first bulge can be abutted against the skin of a customer so as to limit the first blade tooth and the second blade tooth to be abutted against the skin of the customer, the front end of the second blade tooth is provided with the second bulge, the front end of the second bulge is positioned in front of the fourth blade tooth, the second bulge can be abutted against the skin of the customer so as to limit the third blade tooth and the fourth blade tooth to be abutted against the skin of the customer, and the distance between the front end of the first bulge and the front end of the second bulge is smaller than or equal to 2mm.

According to the double-blade hair clipper disclosed by the embodiment of the utility model, the first cambered surface is arranged on the first bulge, the first bulge is abutted against the skin of a customer through the first cambered surface, the second cambered surface is arranged on the second bulge, and the second bulge is abutted against the skin of the customer through the second cambered surface.

According to the double-blade hair clipper disclosed by the embodiment of the utility model, the side surface, close to the second bulge, of the first bulge is provided with the first enclosing baffle, the side surface, close to the first bulge, of the second bulge is provided with the second enclosing baffle, and the first enclosing baffle and the second enclosing baffle are used for closing a gap between the front end of the second cutter tooth and the front end of the fourth cutter tooth.

According to the double-blade hair clipper disclosed by the embodiment of the utility model, the first cutter head assembly comprises the first cutter frame, the first cutter frame is connected with the first movable cutter, the second cutter head assembly comprises the second cutter frame, the second cutter frame is connected with the second movable cutter, the first cutter frame is in transmission connection with the second cutter frame, the first cutter frame is provided with the first transmission groove, the reciprocating driving mechanism comprises the rotary driving piece and the eccentric rod, the rotary driving piece is arranged in the shell, the eccentric rod penetrates through the first transmission groove, and the rotary driving piece is used for driving the eccentric rod to abut against the left side wall or the right side wall of the first transmission groove back and forth so as to enable the first cutter frame to reciprocate left and right, and the first cutter frame drives the second cutter frame to reciprocate left and right.

According to the double-blade hair clipper disclosed by the embodiment of the utility model, the first cutter rest is provided with the transmission block, the second cutter rest is provided with the second transmission groove, and the transmission block is arranged in the second transmission groove in a penetrating way, so that the transmission block can be abutted to the left side wall or the right side wall of the second transmission groove back and forth.

According to the double-blade hair clipper disclosed by the embodiment of the utility model, the first blade assembly further comprises a first shell, the first shell is detachably connected with the shell, the first blade rest is connected with the first shell in a sliding manner in a left-right manner, the first stationary blade is connected with the first shell, the second blade assembly further comprises a second shell, the second shell is detachably connected with the shell, the second blade rest is connected with the second shell in a sliding manner in a left-right manner, and the second stationary blade is connected with the second shell.

According to the double-blade hair clipper provided by the embodiment of the utility model, the shell is provided with the first buckling groove and the second buckling groove, the first shell is provided with the first buckling block, the first buckling block can be buckled in the first buckling groove, the second shell is provided with the second buckling block, and the second buckling block can be buckled in the second buckling groove.

According to the double-blade hair clipper disclosed by the embodiment of the utility model, the iron sheet is arranged on the shell, the first magnetic attraction piece is arranged on the first shell, the first shell is magnetically attracted to the iron sheet through the first magnetic attraction piece, the second magnetic attraction piece is arranged on the second shell, and the second shell is magnetically attracted to the iron sheet through the second magnetic attraction piece.

According to the double-blade hair clipper, the first cutter head assembly further comprises a first cutter pressing spring, the first cutter frame is connected with the first shell through the first cutter pressing spring, the first cutter pressing spring is used for applying shearing pressure to the first cutter frame, the second cutter head assembly further comprises a second cutter pressing spring, the second cutter frame is connected with the second shell through the second cutter pressing spring, and the second cutter pressing spring is used for applying shearing pressure to the second cutter frame.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

fig. 1 is a schematic view of a structure of a dual-blade hair clipper in accordance with an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a first stationary knife, a first movable knife, a second stationary knife, and a second movable knife;

FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 1;

FIG. 4 is a schematic side view of the first stationary knife, the first movable knife, the second stationary knife, the second movable knife, the first knife holder, and the second knife holder;

FIG. 5 is a schematic view of a first tool tip assembly;

FIG. 6 is a schematic structural view of a second tool tip assembly;

FIG. 7 is a schematic view of the structure of the first tool holder, the second tool holder, and the eccentric rod;

FIG. 8 is a schematic structural view of the housing and eccentric rod;

reference numerals:

a first tool bit assembly 100; a first stationary blade 110; a first cutter tooth 111; a first protrusion 112; a first enclosure 113; a first movable blade 120; a second cutter tooth 121; a first tool post 130; a first transmission groove 131; a transmission block 132; a first housing 140; a first button block 141; a first magnetic attraction member 142; a first hold-down spring 150;

a second tool bit assembly 200; a second stationary knife 210; a third cutter tooth 211; a second protrusion 212; a second enclosure 213; a second movable blade 220; fourth cutter tooth 221; a second tool post 230; a second transmission groove 231; a second housing 240; a second button 241; a second magnetic attraction piece 242; a second hold-down spring 250;

a housing 300; a first catching groove 310; a second catching groove 320; iron sheet 330;

a reciprocating drive mechanism 400; eccentric rod 410.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, plural means two or more. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 4, a dual-blade hair clipper according to an embodiment of the present utility model includes:

the housing 300, the first tool bit assembly 100 and the second tool bit assembly 200 are detachably connected to the housing 300, and the first tool bit assembly 100 and the second tool bit assembly 200 are vertically symmetrical;

the first cutter head assembly 100 comprises a first fixed cutter 110 and a first movable cutter 120, the first fixed cutter 110 is positioned above the first movable cutter 120, a row of first cutter teeth 111 are arranged at the front end of the first fixed cutter 110, and a row of second cutter teeth 121 are arranged at the front end of the first movable cutter 120;

the second cutter head assembly 200 comprises a second fixed cutter 210 and a second movable cutter 220, the second movable cutter 220 is positioned below the first movable cutter 120, the second fixed cutter 210 is positioned below the second movable cutter 220, a row of third cutter teeth 211 are arranged at the front end of the second fixed cutter 210, and a row of fourth cutter teeth 221 are arranged at the front end of the second movable cutter 220;

the first moving blade 120 and the second moving blade 220 are both positioned between the first stationary blade 110 and the second stationary blade 210 such that the first stationary blade 110 and the second stationary blade 210 encase the first moving blade 120 and the second moving blade 220.

The reciprocating driving mechanism 400, the reciprocating driving mechanism 400 is disposed in the housing 300, the output end of the reciprocating driving mechanism 400 is connected with the first moving blade 120, the first moving blade 120 is in transmission connection with the second moving blade 220, and the reciprocating driving mechanism 400 is used for driving the first moving blade 120 and the second moving blade 220 to reciprocate in the left-right direction so as to cut hair.

It can be appreciated that the first moving blade 120 and the second moving blade 220 are located between the first fixed blade 110 and the second fixed blade 210, so that the first moving blade 120 and the second moving blade 220 are covered by the first fixed blade 110 and the second fixed blade 210, and the sides of the first moving blade 120 and the second moving blade 220, which are away from each other, are respectively covered by the first fixed blade 110 and the second fixed blade 210, so that the first moving blade 120 and the second moving blade 220 are prevented from contacting with the skin of a customer, the first moving blade 120 and the second moving blade 220 are prevented from scratching the skin of the customer in the hair cutting process, and the safety of the double-blade hair clipper in the use process is improved. Further, when the first cutter head assembly 100 and the second cutter head assembly 200 need to be cleaned, the first cutter head assembly 100 and the second cutter head assembly 200 can be detached from the housing 300, so that the convenience of cleaning the double-cutter hair clipper is improved.

It will be appreciated that hair may enter between the adjacent two first cutter teeth 111 and the adjacent two third cutter teeth 211, and then under the action of the first moving cutter 120 and the second moving cutter 220, the first cutter teeth 111 and the second cutter teeth 121 cooperate with each other, and the third cutter teeth 211 and the fourth cutter teeth 221 cooperate with each other to form a scissor-like effect, so that hair entering between the adjacent two first cutter teeth 111 and the adjacent two third cutter teeth 211 is cut, and a haircutting effect is achieved.

Referring to fig. 3 and 4, the front end of the first cutter tooth 111 is provided with a first protrusion 112, the front end of the first protrusion 112 is located in front of the second cutter tooth 121, the first protrusion 112 may abut against the skin of the customer to limit the first cutter tooth 111 and the second cutter tooth 121 from abutting against the skin of the customer, the front end of the second cutter tooth 121 is provided with a second protrusion 212, the front end of the second protrusion 212 is located in front of the fourth cutter tooth 221, and the second protrusion 212 may abut against the skin of the customer to limit the third cutter tooth 211 and the fourth cutter tooth 221 from abutting against the skin of the customer. The distance between the front end of the first protrusion 112 and the front end of the second protrusion 212 is less than or equal to 2mm. It can be appreciated that the first protrusion 112 and the second protrusion 212 are disposed in front of the first cutter tooth 111, the second cutter tooth 121, the third cutter tooth 211 and the fourth cutter tooth 221, and in the hair dressing process, the first protrusion 112 and the second protrusion 212 can be in contact with the skin of the user, so that the first cutter tooth 111, the second cutter tooth 121, the third cutter tooth 211 and the fourth cutter tooth 221 are effectively prevented from being in contact with the skin of the user, and the first cutter tooth 111, the second cutter tooth 121, the third cutter tooth 211 and the fourth cutter tooth 221 are prevented from damaging the skin of the user, thereby further improving the safety of the double-cutter hair clipper in the use process.

Referring to fig. 3 and 4, in the hair care process, if the first protrusions 112 and the second protrusions 212 are pressed against the skin of the customer, soft skin may enter between the first protrusions 112 and the second protrusions 212 or between the adjacent two first protrusions 112 and between the adjacent two second protrusions 212 due to deformation, which may easily cause the second cutter teeth 121 on the first movable cutter 120 and the fourth cutter teeth 221 on the second movable cutter 220 to scratch the skin entering between the first protrusions 112 and the second protrusions 212 or scratch the skin entering between the adjacent two first protrusions 112 and between the adjacent two second protrusions 212. It will be appreciated that the distance between the front end of the first protrusion 112 and the front end of the second protrusion 212 is less than or equal to 2mm, and the smaller gap can effectively reduce the depth of skin entering between the first protrusion 112 and the second protrusion 212, and reduce the depth of skin entering between two adjacent first protrusions 112 and two adjacent second protrusions 212, thereby avoiding the second cutter tooth 121 and the fourth cutter tooth 221 from scratching the skin entering between the first protrusion 112 and the second protrusion 212, avoiding the second cutter tooth 121 and the fourth cutter tooth 221 from scratching the skin entering between two adjacent first protrusions 112 and between two adjacent second protrusions 212, and further improving the safety of the double-cutter hair clipper in use.

As an embodiment of the present utility model, the first protrusion 112 is provided with a first arc surface, the first arc surface may be abutted against the skin of the customer, and the second protrusion 212 is provided with a second arc surface, the second arc surface may be abutted against the skin of the customer. It can be appreciated that the first protrusion 112 is abutted to the skin of the customer through the first arc surface, and the second protrusion 212 is abutted to the skin of the customer through the second arc surface, so that the smooth first arc surface and the second arc surface can improve the comfort of the customer in the haircut process.

Referring to fig. 3 and 4, a first enclosure 113 is disposed on a side of the first protrusion 112 adjacent to the second protrusion 212, a second enclosure 213 is disposed on a side of the second protrusion 212 adjacent to the first protrusion 112, and the first enclosure 113 and the second enclosure 213 are used for closing a gap between a front end of the second cutter tooth 121 and a front end of the fourth cutter tooth 221. It can be appreciated that the first enclosure 113 and the second enclosure 213 can block skin from entering between the first protrusion 112 and the second protrusion 212, reduce the depth of skin entering between two adjacent first protrusions 112 and two adjacent second protrusions 212, avoid the second cutter tooth 121 and the fourth cutter tooth 221 from scratching skin, and further improve the safety of the dual-cutter hair clipper in use.

Referring to fig. 5 to 7, the first cutter head assembly 100 includes a first cutter holder 130, the first cutter holder 130 is connected with the first movable cutter 120, the second cutter head assembly 200 includes a second cutter holder 230, the second cutter holder 230 is connected with the second movable cutter 220, the first cutter holder 130 is in transmission connection with the second cutter holder 230, a first transmission groove 131 is formed in the first cutter holder 130, the reciprocating driving mechanism 400 includes a rotary driving member and an eccentric rod 410, the rotary driving member is disposed in the housing 300, the eccentric rod 410 is disposed in the first transmission groove 131 in a penetrating manner, and the rotary driving member is used for driving the eccentric rod 410 to abut against the left side wall or the right side wall of the first transmission groove 131 back and forth, so that the first cutter holder 130 reciprocates in the left-right direction. As an embodiment of the present utility model, the rotation driving member may be a motor. It can be understood that the output shaft of the motor is connected to the eccentric rod 410, and the motor drives the eccentric rod 410 to perform a circular motion around the central axis of the output shaft of the motor, so that the eccentric rod 410 is abutted with the left side wall or the right side wall of the first transmission groove 131 back and forth, thereby driving the first tool rest 130 to perform a reciprocating motion in the left-right direction, and since the first tool rest 130 is in transmission connection with the second tool rest 230, the first tool rest 130 can drive the second tool rest 230 to perform a reciprocating motion in the left-right direction. The eccentric rod 410 is always inserted into the first transmission groove 131. The length direction of the eccentric rod 410 is parallel to the front-rear direction.

Referring to fig. 5 to 7, the first tool rest 130 is provided with a transmission block 132, the second tool rest 230 is provided with a second transmission groove 231, and the transmission block 132 is disposed in the second transmission groove 231 in a penetrating manner, so that the transmission block 132 can be abutted to the left side wall or the right side wall of the second transmission groove 231 back and forth. It can be appreciated that the first tool rest 130 reciprocates in the left-right direction, the driving block 132 can be abutted back and forth on the left side wall or the right side wall of the second driving groove 231, so that the second tool rest 230 can reciprocate in the left-right direction, and the first tool rest 130 is in driving connection with the second tool rest 230 under the mutual cooperation of the driving block 132 and the second driving groove 231.

Referring to fig. 5 and 6, the first cutter head assembly 100 further includes a first housing 140, the first housing 140 is detachably coupled to the housing 300, the first cutter holder 130 is slidably coupled to the first housing 140 in a side-to-side manner, the first stationary cutter 110 is coupled to the first housing 140, the second cutter head assembly 200 further includes a second housing 240, the second housing 240 is detachably coupled to the housing 300, the second cutter holder 230 is slidably coupled to the second housing 240 in a side-to-side manner, and the second stationary cutter 210 is coupled to the second housing 240. As an embodiment of the present utility model, the first housing 140 is provided with a first long bar extending in a left-right direction, the first tool rest 130 is provided with a first chute extending in the left-right direction, and the first long bar is disposed in the first chute, so that the first long bar plays a guiding role in the left-right movement of the first tool rest 130; the second housing 240 is provided with a second long bar extending in the left-right direction, the second tool rest 230 is provided with a second chute extending in the left-right direction, and the second long bar is arranged in the second chute, so that the second long bar plays a role in guiding the left-right movement of the second tool rest 230.

Referring to fig. 5 to 8, a first fastening slot 310 and a second fastening slot 320 are formed in the housing 300, a first fastening block 141 is disposed on the first housing 140, the first fastening block 141 can be fastened in the first fastening slot 310, a second fastening block 241 is disposed on the second housing 240, and the second fastening block 241 can be fastened in the second fastening slot 320. It can be appreciated that the first fastening block 141 may be fastened in the first fastening slot 310, and the first fastening block 141 and the first fastening slot 310 cooperate with each other to position the first housing 140, so that the first housing 140 can be correctly mounted on the housing 300, and the first fastening block 141 and the first fastening slot 310 can realize quick mounting and dismounting of the first housing 140, so as to facilitate quick mounting or dismounting of the first tool bit assembly 100 by a hairdresser; the second buckling block 241 can be buckled in the second buckling groove 320, the second buckling block 241 and the second buckling groove 320 are matched with each other, the second housing 240 is positioned, the second housing 240 can be correctly installed on the shell 300, the second buckling block 241 and the second buckling groove 320 can realize quick installation and disassembly of the second housing 240, a hairclipper is convenient to quickly install or disassemble the second cutter head assembly 200, and the use convenience of the double-blade hair clipper is improved.

Referring to fig. 5, 6 and 8, the case 300 is provided with an iron sheet 330, the first case 140 is provided with a first magnetic attraction piece 142, the first case 140 is magnetically attracted to the iron sheet 330 by the first magnetic attraction piece 142, the second case 240 is provided with a second magnetic attraction piece 242, and the second case 240 is magnetically attracted to the iron sheet 330 by the second magnetic attraction piece 242. It can be appreciated that the first housing 140 is connected to the iron sheet 330 on the housing 300 through the first magnetic attraction member 142, and the first magnetic attraction member 142 not only plays a role in fixed connection, but also can realize rapid installation and disassembly of the first housing 140, so as to facilitate a hairdresser to rapidly install or disassemble the first tool bit assembly 100; the second housing 240 is connected to the iron sheet 330 on the housing 300 through the second magnetic attraction piece 242, and the second magnetic attraction piece 242 not only plays a role in fixed connection, but also can realize rapid installation and disassembly of the second housing 240, so that a barber can conveniently and rapidly install or disassemble the second cutter head assembly 200, and the convenience of using the double-cutter hair clipper is improved. As an embodiment of the present utility model, the first magnetic attraction member 142 is a first magnet, and the second magnetic attraction member 242 is a second magnet.

Referring to fig. 5 and 6, the first cutter head assembly 100 further includes a first cutter pressing spring 150, the first cutter frame 130 is connected to the first housing 140 through the first cutter pressing spring 150, the first cutter pressing spring 150 is used to apply a shearing pressure to the first cutter frame 130, the second cutter head assembly 200 further includes a second cutter pressing spring 250, the second cutter frame 230 is connected to the second housing 240 through the second cutter pressing spring 250, and the second cutter pressing spring 250 is used to apply a shearing pressure to the second cutter frame 230. In the process that the eccentric rod 410 moves circularly around the central axis of the motor output shaft, the eccentric rod 410 is separated from the contact with the left side wall or the right side wall of the first transmission groove 131 at certain specific positions, at this time, the power transmitted by the eccentric rod 410 is uneven, the first tool rest 130 is stressed and interrupted, so that unstable power transmission of the eccentric rod 410 is caused, and not only vibration and noise are generated by the double-blade hair clipper, but also the service life of the eccentric rod 410 is shortened.

It can be appreciated that by providing the first pressing spring 150, the first tool rest 130 can move left and right under the action of the first pressing spring 150, so that the left side wall or the right side wall of the first transmission groove 131 on the first tool rest 130 can always keep abutting with the eccentric rod 410, and uneven power transmitted by the eccentric rod 410 is avoided. Similarly, the transmission block 132 can be separated from the butt with the left side wall or the right side wall of the second transmission groove 231 at certain specific positions, and the second knife rest 230 can move left and right under the action of the second knife pressing spring 250 by arranging the second knife pressing spring 250, so that the left side wall or the right side wall of the second transmission groove 231 on the second knife rest 230 can be always kept in butt connection with the transmission block 132, uneven power transmitted by the transmission block 132 is avoided, the mute degree of the double-knife hair clipper is improved, and the service life of the transmission block 132 is prolonged.

On the other hand, the first pressing blade spring 150 and the second pressing blade spring 250 apply shearing pressure to the first blade holder 130 and the second blade holder 230 respectively, so that the first moving blade 120 on the first blade holder 130 can obtain stable shearing force, and a consistent haircut effect of the first moving blade 120 and the first fixed blade 110 in the working process is ensured; so that the second movable blade 220 on the second blade holder 230 can obtain stable shearing force, and the consistent haircut effect of the second movable blade 220 and the second fixed blade 210 in the working process is ensured.

As an embodiment of the present utility model, either the first blade assembly 100 or the second blade assembly 200 may be detached, and the dual-blade hair clipper may be used as a single-head hair clipper. At this time, the gap between two adjacent second cutter teeth 121 on the first movable cutter 120 is smaller than the gap between two adjacent fourth cutter teeth 221 on the second movable cutter 220, the first movable cutter 120 is used for fine shearing, and the second movable cutter 220 is used for coarse shearing. The rear end of the housing 300 is connected with a handle for a barber to hold.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present utility model, and these equivalent modifications or substitutions are included in the scope of the present utility model as defined in the claims.

Claims (10)

1. A pair of hair clipper comprising:

the shell is detachably connected with a first tool bit assembly and a second tool bit assembly, and the first tool bit assembly and the second tool bit assembly are vertically symmetrical;

the first cutter head assembly comprises a first fixed cutter and a first movable cutter, the first fixed cutter is positioned above the first movable cutter, a row of first cutter teeth are arranged at the front end of the first fixed cutter, and a row of second cutter teeth are arranged at the front end of the first movable cutter;

the second cutter head assembly comprises a second fixed cutter and a second movable cutter, the second movable cutter is positioned below the first movable cutter, the second fixed cutter is positioned below the second movable cutter, a row of third cutter teeth are arranged at the front end of the second fixed cutter, and a row of fourth cutter teeth are arranged at the front end of the second movable cutter;

the first movable cutter and the second movable cutter are positioned between the first fixed cutter and the second fixed cutter, so that the first fixed cutter and the second fixed cutter cover the first movable cutter and the second movable cutter;

the reciprocating driving mechanism is arranged in the shell, the output end of the reciprocating driving mechanism is connected with the first movable cutter, the first movable cutter is in transmission connection with the second movable cutter, and the reciprocating driving mechanism is used for driving the first movable cutter and the second movable cutter to do reciprocating motion in the left-right direction so as to cut hair.

2. The dual blade hair clipper of claim 1, wherein: the front end of the first cutter tooth is provided with a first bulge, the front end of the first bulge is positioned in front of the second cutter tooth, the first bulge can be abutted against the skin of a customer so as to limit the abutting of the first cutter tooth and the second cutter tooth on the skin of the customer, the front end of the second cutter tooth is provided with a second bulge, the front end of the second bulge is positioned in front of the fourth cutter tooth, and the second bulge can be abutted against the skin of the customer so as to limit the abutting of the third cutter tooth and the fourth cutter tooth on the skin of the customer.

3. The dual blade hair clipper of claim 2, wherein: the distance between the front end of the first protrusion and the front end of the second protrusion is less than or equal to 2mm.

4. The dual blade hair clipper of claim 2, wherein: the first bulge is close to be equipped with first fender that encloses on the bellied side of second, the second bulge is close to be equipped with the second on the bellied side of first enclose the fender, first enclose keep off with the second enclose keep off be used for sealing the clearance between the second cutter tooth front end with the fourth cutter tooth front end.

5. The dual blade hair clipper of claim 1, wherein: the first tool bit assembly comprises a first tool rest, the first tool rest with first movable cutter is connected, the second tool bit assembly comprises a second tool rest, the second tool rest with the second movable cutter is connected, first tool rest with the second tool rest transmission is connected, first transmission groove has been seted up on the first tool rest, reciprocating drive mechanism includes rotary drive spare and eccentric rod, rotary drive spare is located in the casing, eccentric rod wears to locate in the first transmission groove, rotary drive spare is used for the drive eccentric rod make a round trip the butt in on the left side wall or the right side wall of first transmission groove, so that first tool rest is reciprocating motion in left and right directions.

6. The dual blade hair clipper of claim 5, wherein: the first knife rest is provided with a transmission block, the second knife rest is provided with a second transmission groove, and the transmission block is arranged in the second transmission groove in a penetrating mode, so that the transmission block can be abutted to the left side wall or the right side wall of the second transmission groove back and forth.

7. The dual blade hair clipper of claim 5, wherein: the first tool bit assembly further comprises a first shell, the first shell is detachably connected to the shell, the first tool rest is connected to the first shell in a left-right sliding mode, the first stationary knife is connected with the first shell, the second tool bit assembly further comprises a second shell, the second shell is detachably connected to the shell, the second tool rest is connected to the second shell in a left-right sliding mode, and the second stationary knife is connected with the second shell.

8. The dual blade hair clipper of claim 7, wherein: the shell is provided with a first buckling groove and a second buckling groove, the first shell is provided with a first buckling block, the first buckling block can be buckled in the first buckling groove, the second shell is provided with a second buckling block, and the second buckling block can be buckled in the second buckling groove.

9. The dual blade hair clipper of claim 8, wherein: the shell is provided with an iron sheet, the first shell is provided with a first magnetic attraction piece, the first shell is magnetically attracted to the iron sheet through the first magnetic attraction piece, the second shell is provided with a second magnetic attraction piece, and the second shell is magnetically attracted to the iron sheet through the second magnetic attraction piece.

10. The dual blade hair clipper of claim 7, wherein: the first cutter head assembly further comprises a first cutter pressing spring, the first cutter rest is connected with the first shell through the first cutter pressing spring, the first cutter pressing spring is used for applying shearing pressure to the first cutter rest, and the second cutter head assembly further comprises

Comprises a second cutter pressing spring, the second cutter rest is connected with the second housing through the second cutter pressing spring,

the second hold down spring is for applying a shear pressure to the second tool post.