CN212978411U - Two-way hair clipper tool bit and two-way hair clipper - Google Patents

Abstract

The utility model relates to a two-way hair clipper tool bit and two-way hair clipper, including casing, drive assembly and razor subassembly. When the hair clipper works, a driving shaft of the driving assembly drives the first driving wheel and the second driving wheel to rotate in the same direction at the same speed through the transmission mechanism, the first eccentric push rod and the second eccentric push rod at the tops of the first driving wheel and the second driving wheel do circular motion, the first eccentric push rod pushes the second eccentric push rod to be symmetrical relative to the central shaft, the rotating speed and the rotating direction are the same, so that the centrifugal force generated by the first eccentric push rod and the second eccentric push rod in the rotating process is offset each other at all times due to the fact that the first eccentric push rod pushes the centrifugal force, the moving direction of the knife is opposite, the vibration of the knife head can be greatly reduced, the stability and the use comfort of the hair clipper are improved, the service life of the hair clipper is prolonged, the two pairs of fixed knives and the moving knife move relatively at the same time, the hair clipper can clip trim hair from two directions.

Description

Two-way hair clipper tool bit and two-way hair clipper

Technical Field

The utility model relates to a hairdressing equipment field, in particular to two-way hair clipper head and two-way hair clipper.

Background

The hair clipper is a tool for clipping hair, and is generally composed of two rows of toothed cutters with blades which are overlapped up and down and divided into a movable cutter and a fixed cutter; in the using process, the fixed knife is static, and the movable knife rapidly moves back and forth in a reciprocating manner or in an arc manner, so that hair is cut off. For example, the patent document entitled as a blade of an electric hair clipper for cutting hair, patent publication No. CN203919100U, discloses a structure comprising a fixed knife and a movable knife, wherein the front ends of the fixed knife and the movable knife are provided with corresponding scissors comb teeth, the fixed knife and the movable knife are mounted on a blade bracket, the movable knife is injection-molded with a power driving groove, one side of the fixed knife connected with the movable knife is provided with a guide groove, the inner side of the movable knife is provided with a positioning guide block, the positioning guide block can linearly move left and right in the guide groove, the outer side of the movable knife is provided with two limit grooves, a double-end torsion spring is mounted between the movable knife and the blade bracket, the two ends of the double-end torsion spring are respectively inserted into the two limit grooves, and the positioning guide block is mainly used for linearly moving the movable knife in the guide groove to push the movable knife.

In the use, the drive structure is moving the sword and can producing great vibrations in the relative stationary knife reciprocating motion in-process unavoidably at the drive, long-time vibrations not only can shake numb hairdresser's hand, influence hairdresser's haircut operation, still can arouse wearing and tearing and not hard up of each part of hairdresser, the damage of hairdresser with higher speed, and simultaneously, traditional one-way hairdresser only has a pair of stationary knife and stationary knife, can only follow a direction and prune the hair, prune hair once and need reciprocating motion hairdresser once, and efficiency is lower, waste time and energy.

Disclosure of Invention

Therefore, the two-way hair clipper head needs to be provided, and the technical problems that the efficiency of a one-way hair clipper is low, the driving structure drives the moving knife to generate large vibration, the hair clipping operation of a hairdresser is influenced, all parts of the hair clipper are abraded and loosened, and the damage of the hair clipper is accelerated are solved.

To achieve the above objects, the inventors provide a bidirectional hair clipper head comprising a housing, a drive assembly, and a razor assembly;

the driving assembly comprises a driving shaft, a first driving wheel, a second driving wheel and a transmission mechanism, the driving shaft is mounted in the middle of the inside of the shell, the first driving wheel and the second driving wheel are symmetrical relative to the center of the driving shaft and are arranged on two sides of the driving shaft, the first driving wheel and the second driving wheel are in transmission connection through the transmission mechanism, the transmission mechanism is used for enabling the first driving wheel and the second driving wheel to rotate in the same direction and at the same speed, a first eccentric push rod is arranged at the eccentric position of the top of the first driving wheel, a second eccentric push rod is arranged at the eccentric position of the top of the second driving wheel, and the first eccentric push rod and the second eccentric push rod;

the razor subassembly includes knife rest, first dead knife, second dead knife, first move sword, second and move sword and hold-down mechanism, knife rest detachably connects on the casing, first dead knife and second dead knife are installed in knife rest both sides bottom, first move the sword laminating in first dead knife bottom, the second moves the sword laminating in second dead knife bottom, hold-down mechanism connects in the knife rest bottom, hold-down mechanism is used for moving first sword and second and moves the sword and press on first dead knife and second dead knife, first move and be equipped with first driving groove on the sword, first driving groove and first eccentric push rod looks adaptation, the second moves and is equipped with the second driving groove on the sword, second driving groove and second eccentric push rod looks adaptation.

As an optimized structure of the present invention, the pressing mechanism includes a first double-end torsion spring and a second double-end torsion spring, the first double-end torsion spring and the second double-end torsion spring are clamped at the bottom of the knife rest, two extending ends of the first double-end torsion spring abut against the bottom of the first moving knife, and two extending ends of the second double-end torsion spring abut against the bottom of the second moving knife.

As the utility model discloses a preferred structure, hold-down mechanism still includes the spring pressure head, spring pressure head detachably connects in knife rest bottom central authorities, the both sides of spring pressure head are equipped with a boss respectively, the boss is used for compressing tightly the outstanding coupling part in first double-end torsional spring and second double-end torsional spring middle part.

As a preferred structure of the utility model, the first bottom that moves the sword and the second moves the sword is equipped with two spacing grooves respectively, and two of first double-end torsional spring and second double-end torsional spring stretch out the end card at the spacing inslot.

As an optimized structure of the utility model, the top of the first eccentric push rod is provided with the spherical pushing head, and the top of the second eccentric push rod is provided with the spherical pushing head.

As the utility model discloses a preferred structure, drive mechanism includes first driven shaft, second driven shaft, driving gear, first driven gear and second driven gear, first driven shaft and second driven shaft are arranged in the both sides of driving shaft, driving gear connection is on the driving shaft, first driven gear connects on first driven shaft, second driven gear connects on the second driven shaft, the driving gear is with first driven gear and second driven gear intermeshing, and first driven gear and second driven gear tooth number of teeth are the same, first drive wheel is connected at first driven shaft top, the second drive wheel is connected at second driven shaft top.

As a preferred structure of the utility model, the casing divide into casing and lower casing, it is on the casing under to go up the casing joint, it is equipped with the baffle to go up casing bottom, drive mechanism connects between baffle and lower casing, razor subassembly joint is on last casing, be equipped with two shaft holes on the baffle, two shaft holes are followed looks adaptation with first driven shaft and second driven shaft respectively.

As a preferred structure of the utility model, drive assembly still includes the floating axle, the bottom at the driving shaft is connected to the floating axle, the floating axle bottom is equipped with the triangle-shaped joint head.

As an optimized structure of the utility model, the bidirectional barber scissors head further comprises a comb, and the comb is clamped on the shell.

Unlike the prior art, the above technical solution provides a bidirectional hair clipper head, comprising a housing, a drive assembly and a razor assembly. The driving assembly comprises a driving shaft, a first driving wheel, a second driving wheel and a transmission mechanism, the first driving wheel and the second driving wheel are in transmission connection through the transmission mechanism, the transmission mechanism is used for enabling the first driving wheel and the second driving wheel to rotate in the same speed and direction, a first eccentric push rod is arranged at the eccentric position of the top of the first driving wheel, a second eccentric push rod is arranged at the eccentric position of the top of the second driving wheel, and the first eccentric push rod and the second eccentric push rod are centrosymmetric relative to the driving shaft; the shaver component comprises a shaver rack, a first fixed cutter, a second fixed cutter, a first movable cutter, a second movable cutter and a pressing mechanism, wherein a first driving groove is formed in the first movable cutter, the first driving groove is matched with a first eccentric push rod, a second driving groove is formed in the second movable cutter, and the second driving groove is matched with a second eccentric push rod.

In the working process, the driving shaft is driven to rotate, the driving shaft drives the first driving wheel and the second driving wheel on two sides to rotate in the same direction at the same speed through the transmission mechanism, the first eccentric push rod and the second eccentric push rod at the tops of the first driving wheel and the second driving wheel do circular motion, the first eccentric push rod pushes the wall surface of the first driving groove in the vertical direction, the first movable cutter makes vertical reciprocating motion, the second eccentric push rod pushes the wall surface of the second driving groove in the vertical direction, the second movable cutter makes vertical reciprocating motion, the two pairs of fixed cutters and the movable cutters are driven to make relative motion simultaneously, the hair clipper can clip hair from two directions, one back-and-forth motion of a hairdresser can clip twice, and the working efficiency is greatly improved. Meanwhile, the first eccentric push rod and the second eccentric push rod are symmetrical relative to the center shaft in the center, and the rotating speed and the rotating direction are the same, so that the first driving wheel and the second driving wheel offset each other due to the centrifugal force generated by the first eccentric push rod and the second eccentric push rod in the rotating process, the moving directions of the moving blades are opposite, the vibration of the cutter head can be greatly reduced, the stability and the use comfort of the hair clipper are improved, and the service life of the hair clipper is prolonged.

In order to achieve the above object, the inventor further provides a bidirectional hair clipper comprising a housing, a driving device, a control device and the bidirectional hair clipper head, wherein the driving device and the control device are arranged in the housing, the bidirectional hair clipper head is detachably connected to the housing, and the bidirectional hair clipper head is in transmission connection with the driving device.

The hair clipper is characterized in that the hair clipper comprises a driving shaft, a driving mechanism, a transmission mechanism, a control device, a first driving wheel, a second driving wheel, a first eccentric push rod, a second eccentric push rod, a first movable knife, a second movable knife and a second eccentric push rod, wherein the driving shaft is connected with the driving mechanism, the driving mechanism is connected with the driving shaft, the first driving wheel and the second driving wheel are arranged on two sides of the driving shaft, the driving shaft drives the first driving wheel and the second driving wheel to rotate in the same direction at the two sides of the driving shaft through the transmission mechanism, the first eccentric push rod and the second eccentric push rod on the tops of the first driving wheel and the second driving wheel move in a circular mode, the first eccentric push rod pushes the wall surface of the first driving groove in the vertical direction, the second movable knife moves in the vertical direction in the circular mode, the two pairs of. Meanwhile, the first eccentric push rod and the second eccentric push rod are symmetrical relative to the center shaft in the center, and the rotating speed and the rotating direction are the same, so that the first driving wheel and the second driving wheel offset each other due to the centrifugal force generated by the first eccentric push rod and the second eccentric push rod in the rotating process, the moving directions of the moving blades are opposite, the vibration of the cutter head can be greatly reduced, the stability and the use comfort of the hair clipper are improved, and the service life of the hair clipper is prolonged.

Drawings

FIG. 1 is a three-dimensional view of a bi-directional hair clipper in accordance with an embodiment;

FIG. 2 is a top view of the bi-directional hair clipper of the present embodiment;

FIG. 3 is a top view of a housing and drive assembly of the bi-directional hair clipper of the present embodiment;

FIG. 4 is a three-dimensional view of the housing and drive assembly of the bi-directional hair clipper of the present embodiment;

FIG. 5 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 6 is a top view of the bidirectional barber scissors razor assembly according to the embodiment;

FIG. 7 is a three-dimensional view of the bi-directional hair clipper without the spring loaded ram in accordance with the present embodiment;

FIG. 8 is a three-dimensional view of the bi-directional hair clipper with a spring press head installed in accordance with an embodiment;

fig. 9 is a cross-sectional view at B-B in fig. 2.

Description of reference numerals:

10. a housing;

11. an upper housing; 111. a partition plate; 12. a lower housing;

21. a drive shaft; 22. a first drive wheel; 221. a first eccentric push rod; 23. a second drive wheel; 231. a second eccentric push rod; 241. a first driven shaft; 242. a second driven shaft; 243. a driving gear; 244. a first driven gear; 245. a second driven gear; 25. a floating shaft;

30. a razor assembly;

31. a tool holder; 32. a first stationary knife; 33. a second stationary knife; 34. a first moving blade; 341. a first drive slot; 35. a second moving blade; 351. a second driving groove; 361. a first double-ended torsion spring; 362. a second double-ended torsion spring; 363. a spring ram; 3631. and (4) a boss.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described with reference to the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

Referring to fig. 1 to 8, the present embodiment provides a two-way hair clipper head, as shown in fig. 1 and 2, including a housing 10, a driving assembly, and a razor assembly 30.

As shown in fig. 3 and 4, the driving assembly includes a driving shaft 21, a first driving wheel 22, a second driving wheel 23 and a transmission mechanism, the driving shaft 21 is installed in the middle of the housing 10 and serves as a power input shaft, the first driving wheel 22 and the second driving wheel 23 are arranged at both sides of the driving shaft 21 and are symmetrical with respect to the center of the driving shaft 21, the first driving wheel 22 and the second driving wheel 23 are in transmission connection through the transmission mechanism, the transmission mechanism is used for enabling the first driving wheel 22 and the second driving wheel 23 to rotate in the same direction and at the same speed, a first eccentric push rod 221 is arranged at an eccentric position at the top of the first driving wheel 22, when the first driving wheel 22 rotates, the first eccentric push rod 221 makes a circular motion, the second eccentric push rod 231 is arranged at the eccentric position of the top of the second driving wheel 23, when the second driving wheel 23 rotates, the second eccentric push rod 231 moves circularly, and the first eccentric push rod 221 and the second eccentric push rod 231 are symmetrical with respect to the driving shaft 21.

Specifically, as shown in fig. 5, the transmission mechanism includes a first driven shaft 241, a second driven shaft 242, a driving gear 243, a first driven gear 244 and a second driven gear 245, the first driven shaft 241 and the second driven shaft 242 are arranged on both sides of the driving shaft 21 and are symmetrical with respect to the center of the driving shaft 21, the driving gear 243 is connected to the driving shaft 21, the first driven gear 244 is connected to the first driven shaft 241, the second driven gear 245 is connected to the second driven shaft 242, the driving gear 243 is engaged with the first driven gear 244 and the second driven gear, the number of teeth of the first driven gear 244 and the number of teeth of the second driven gear are the same, the first driving wheel 22 is connected to the top of the first driven shaft 241, and the second driving wheel 23 is connected to the top of the second driven shaft 242. When the driving shaft 21 rotates, the driving gear 243 and the first and second driven gears 244 and 245 with the same number of teeth are in meshing transmission, so that the first and second driven shafts 241 and 242 are driven to rotate in the same direction at a constant speed, and the first and second driving wheels 22 and 23 on the first and second driven shafts 241 and 242 are driven to rotate in the same direction at a constant speed, and when the first and second driving wheels 22 and 23 are installed, the first and second eccentric push rods 221 and 231 are also required to be symmetrical with respect to the driving shaft 21, i.e., the centrifugal forces caused by the first and second eccentric push rods 221 and 231 during the rotation of the first and second driving wheels 22 and 23 are opposite in direction and cancel each other out, thereby reducing the vibration.

Further, the casing 10 is divided into an upper casing 11 and a lower casing 12, the upper casing 11 is clamped on the lower casing 12, a partition plate 11 is arranged at the bottom of the upper casing 11, the transmission mechanism is connected between the partition plate 11 and the lower casing 12, the shaver component 30 is clamped above the upper casing 11, two shaft holes are formed in the partition plate 11, the two shaft holes are respectively matched with the first driven shaft 241 and the second driven shaft 242 in a follow-up mode, and the first driven shaft 241 and the second driven shaft 242 stretch out of one section from the shaft holes in the partition plate 11 and are used for connecting the first driving wheel 22 and the second driving wheel 23. The driving gear, the first driven shaft 241 and the second driven shaft 242 are used as two supporting ends by using the partition 11 at the bottom of the lower shell 12 and the upper shell 11, a rolling bearing or a sliding bearing is arranged at the supporting connection position to reduce the rotation resistance of the shafts, and the driving gear 243, the first driven gear 244 and the second driven gear 245 are arranged in a cavity between the partition 11 and the lower shell 12, so that foreign matters can be effectively prevented from falling into the cavity and the transmission of a transmission mechanism is damaged. The bottom of the partition 11 of the upper housing 11 is also provided with two snap hooks for snapping the razor assembly 30.

Further, the driving assembly further comprises a floating shaft 25, the floating shaft 25 is connected to the bottom of the driving shaft 21, and a triangular clamping head is arranged at the bottom of the floating shaft 25. The floating shaft 25 comprises a floating shaft 25 seat and a triangular clamping head, the floating shaft 25 seat is connected to the bottom of the driving shaft 21, the triangular clamping head is connected to the bottom of the floating shaft 25 seat, and a spring is arranged between the floating shaft 25 seat and the triangular clamping head, so that the triangular clamping head can float up and down, and meanwhile, a bevel edge is arranged on the triangular clamping head, so that a certain angle is allowed to exist between the power input shaft and the driving shaft 21, and the transmission stability is ensured.

As shown in fig. 5 and 6, the razor assembly 30 includes a blade holder 31, a first fixed blade 32, a second fixed blade 33, a first movable blade 34, a second movable blade 35 and a pressing mechanism, the blade holder 31 is detachably connected to the housing 10, the first fixed blade 32 and the second fixed blade 33 are installed at the bottoms of the two sides of the blade holder 31, the first movable blade 34 is attached to the bottom of the first fixed blade 32, the second movable blade 35 is attached to the bottom of the second fixed blade 33, the pressing mechanism is connected to the bottom of the blade holder 31, the pressing mechanism is used for pressing the first movable blade 34 and the second movable blade 35 onto the first fixed blade 32 and the second fixed blade 33, a first driving groove 341 is formed in the first movable blade 34, the first driving groove 341 is adapted to the first eccentric push rod 221, a second driving groove 351 is formed in the second movable blade 35, and the second driving groove 351 is adapted to the second eccentric push rod 231.

The middle part of the knife rest 31 is concave into a circular arc shape to better fit the shape of the head, the bottoms of the two sides of the knife rest 31 are provided with clamping blocks, the first fixed knife 32 and the second fixed knife 33 are provided with clamping holes, the first fixed knife 32 and the second fixed knife 33 are fixed at the bottom of the knife rest 31 through the mutual clamping of the clamping blocks and the clamping holes, the outer edges of the first fixed knife 32 and the second fixed knife 33 are distributed with continuous saw teeth, the first fixed knife 32 and the second fixed knife 33 are also provided with a smooth table board protruding downwards for connecting the first movable knife 34 and the second movable knife 35, the first movable knife 34 and the second movable knife 35 are also provided with a table board protruding upwards and smoothly for matching with the first fixed knife 32 and the second fixed knife 33, the first movable knife 34 and the second movable knife 35 are pressed on the first fixed knife 32 and the second fixed knife 33 by the pressing mechanism to limit the up and down movement of the first movable knife 34 and the second movable knife 35, the first movable knife 34 and the second movable knife 35 can move along the plane of the table, the first movable blade 34 is provided with a transverse first driving slot 341, the second movable blade 35 is provided with a transverse second driving slot 351, the first driving slot 341 and the second driving slot 351 are rectangular slots, the length direction of the first driving slot 341 and the second driving slot 351 is perpendicular to the reciprocating direction of the first movable blade 34 and the second movable blade 35, the width of the first driving slot 341 and the second driving slot 351 is equal to the diameter of the first eccentric push rod 221 and the second eccentric push rod 231, the length of the first driving slot 341 and the second driving slot 351 is greater than twice the eccentric distance of the first eccentric push rod 221 and the second eccentric push rod 231, so that the first eccentric push rod 221 and the second eccentric push rod 231 can relatively move along the length direction of the first driving slot 341 and the second driving slot 351, the circumferential motion of the first eccentric push rod 221 and the second eccentric push rod 231 is converted into the reciprocating motion of the first movable blade 34 and the second movable blade 35, and because the first eccentric push rod 221 and the second eccentric push rod 231 are symmetrical to the center of the driving shaft 21, the first moving blade 34 and the second moving blade 35 move in opposite directions, so that the vibration can be effectively reduced.

Further, the top of the first eccentric push rod 221 is provided with a spherical push head, and the top of the second eccentric push rod 231 is provided with a spherical push head, so that the contact surface between the first eccentric push rod 221 and the first driving groove 341 and the contact surface between the second eccentric push rod 231 and the first driving groove 341 can be reduced, the friction loss is reduced, and the service life is prolonged.

Further, as shown in fig. 7, the pressing mechanism includes a first double-ended torsion spring 361 and a second double-ended torsion spring 362, the first double-ended torsion spring 361 and the second double-ended torsion spring 362 are clamped at the bottom of the knife rest 31, two extending ends of the first double-ended torsion spring 361 abut against the bottom of the first movable knife 34, two extending ends of the second double-ended torsion spring 362 abut against the bottom of the second movable knife 35, and the first movable knife 34 and the second movable knife 35 are pressed against the fixed knife by the first double-ended torsion spring 361 and the second double-ended torsion spring 362. Further, the bottom of the first movable blade 34 and the bottom of the second movable blade 35 are respectively provided with two limiting grooves, two extending ends of the first double-end torsion spring 361 and the second double-end torsion spring 362 are clamped in the limiting grooves, the extending ends of the first double-end torsion spring 361 and the second double-end torsion spring 362 are prevented from being in serial positions, the first movable blade 34 and the second movable blade 35 are limited to move along the long side direction of the first driving groove 341 and the second driving groove 351, and the reciprocating motion of the first movable blade 34 and the second movable blade 35 is ensured.

The double-end torsion spring aims to solve the problems that the end part of the double-end torsion spring needs to be manually turned over onto a blade to be pressed, the operation is difficult, the end part is easy to press in place during assembly, the workpiece is repositioned to be damaged, or the force is too large to deform. As shown in fig. 8 and fig. 9, the pressing mechanism is further provided with a spring pressing head 363, the spring pressing head 363 is detachably connected to the center of the bottom of the tool holder 31, two sides of the spring pressing head 363 are respectively provided with a boss 3631, and the bosses 3631 are used for pressing the connecting portions protruding from the middle of the first double-ended torsion spring 361 and the second double-ended torsion spring 362. During installation, the tool rest 31 is turned over, the first double-end torsion spring 361 and the second double-end torsion spring 362 are arranged on the corresponding clamping grooves in the tool rest 31 and extend out to be aligned with the limiting grooves at the bottoms of the first movable blade 34 and the second movable blade 35, bosses 3631 on two sides of the spring pressure head 363 are aligned with the connecting parts protruding from the middle parts of the first double-end torsion spring 361 and the second double-end torsion spring 362, the spring pressure head 363 slowly moves towards the upper part of the tool rest 31 by screwing the screws, the first double-end torsion spring 361 and the second double-end torsion spring 362 are continuously pressed tightly, the double-end spring has required elasticity, the double-end spring is fixed after being connected downwards, the double-end spring can be prevented from being fixed firstly, then the double-end spring extends out of the end and clamps the blade downwards, and the problem that the limiting holes are difficult to be pressed downwards due to the double-end.

In the working process of the two-way hair clipper head, the driving shaft 21 is driven to rotate, the driving shaft 21 drives the first driving wheel 22 and the second driving wheel 23 on two sides to rotate in the same direction at a constant speed through the transmission mechanism, the first eccentric push rod 221 and the second eccentric push rod 231 at the tops of the first driving wheel 22 and the second driving wheel 23 do circular motion, the first eccentric push rod 221 pushes the wall surface of the first driving groove 341 in the vertical direction, the first movable blade 34 makes vertical reciprocating motion, the second eccentric push rod 231 pushes the wall surface of the second driving groove 351 in the vertical direction, the second movable blade 35 makes vertical reciprocating motion, two pairs of fixed blades and the movable blades are driven to do relative motion simultaneously, the hair can be clipped from two directions, one back-and-forth motion of a hairdresser can be clipped twice, and the working efficiency is greatly improved. Meanwhile, because the first eccentric push rod 221 pushes the second eccentric push rod 231 to be symmetrical relative to the center shaft, and the rotating speed and the rotating direction are the same, the first driving wheel 22 and the second driving wheel can offset each other due to the centrifugal force generated by the first eccentric push rod 221 pushing the second eccentric push rod 231 in the rotating process, and the moving directions of the moving blades are opposite, so that the vibration of the blade head can be greatly reduced, the stability and the use comfort of the hair clipper can be improved, and the service life of the hair clipper can be prolonged.

In other embodiments, the two-way hair clipper head further comprises a mating comb, which is snapped onto the housing 10. Different combs can be configured according to different haircut requirements.

In other embodiments, there is provided a bi-directional hair clipper comprising a housing, a drive device, a control device, and a bi-directional hair clipper head as described above, the drive device and the control device being disposed within the housing, the bi-directional hair clipper head being removably attached to the housing, the bi-directional hair clipper head being drivingly connected to the drive device.

In the working process of the above embodiment, the control device controls the driving device to drive the driving shaft 21 to rotate, the driving shaft 21 drives the first driving wheel 22 and the second driving wheel 23 on two sides to rotate in the same direction at the same speed through the transmission mechanism, the first eccentric push rod 221 and the second eccentric push rod 231 on the tops of the first driving wheel 22 and the second driving wheel 23 make a circular motion, the first eccentric push rod 221 pushes the wall surface of the first driving groove 341 in the vertical direction, so that the first movable blade 34 makes a vertical reciprocating motion, the second eccentric push rod 231 pushes the wall surface of the second driving groove 351 in the vertical direction, so that the second movable blade 35 makes a vertical reciprocating motion, and simultaneously drives two pairs of fixed blades and movable blades to make relative motions, so that the hair clipper can clip hair from two directions, a hairdresser can clip twice by one back-and-forth motion, and the working efficiency is greatly improved. Meanwhile, because the first eccentric push rod 221 pushes the second eccentric push rod 231 to be symmetrical relative to the center shaft, and the rotating speed and the rotating direction are the same, the first driving wheel 22 and the second driving wheel can offset each other due to the centrifugal force generated by the first eccentric push rod 221 pushing the second eccentric push rod 231 in the rotating process, and the moving directions of the moving blades are opposite, so that the vibration of the blade head can be greatly reduced, the stability and the use comfort of the hair clipper can be improved, and the service life of the hair clipper can be prolonged.

It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present invention.

Claims (10)

1. The utility model provides a two-way hair clipper head which characterized in that: comprising a housing, a drive assembly and a razor assembly;

the driving assembly comprises a driving shaft, a first driving wheel, a second driving wheel and a transmission mechanism, the driving shaft is mounted in the middle of the inside of the shell, the first driving wheel and the second driving wheel are symmetrical relative to the center of the driving shaft and are arranged on two sides of the driving shaft, the first driving wheel and the second driving wheel are in transmission connection through the transmission mechanism, the transmission mechanism is used for enabling the first driving wheel and the second driving wheel to rotate in the same direction and at the same speed, a first eccentric push rod is arranged at the eccentric position of the top of the first driving wheel, a second eccentric push rod is arranged at the eccentric position of the top of the second driving wheel, and the first eccentric push rod and the second eccentric push rod;

the razor subassembly includes knife rest, first dead knife, second dead knife, first move sword, second and move sword and hold-down mechanism, knife rest detachably connects on the casing, first dead knife and second dead knife are installed in knife rest both sides bottom, first move the sword laminating in first dead knife bottom, the second moves the sword laminating in second dead knife bottom, hold-down mechanism connects in the knife rest bottom, hold-down mechanism is used for moving first sword and second and moves the sword and press on first dead knife and second dead knife, first move and be equipped with first driving groove on the sword, first driving groove and first eccentric push rod looks adaptation, the second moves and is equipped with the second driving groove on the sword, second driving groove and second eccentric push rod looks adaptation.

2. A bi-directional hair clipper head as set forth in claim 1, wherein: the pressing mechanism comprises a first double-head torsion spring and a second double-head torsion spring, the first double-head torsion spring and the second double-head torsion spring are clamped at the bottom of the knife rest, two extending ends of the first double-head torsion spring abut against the bottom of the first movable knife, and two extending ends of the second double-head torsion spring abut against the bottom of the second movable knife.

3. A bi-directional hair clipper head as set forth in claim 1, wherein: hold-down mechanism still includes the spring pressure head, spring pressure head detachably connects in knife rest bottom center, the both sides of spring pressure head are equipped with a boss respectively, the boss is used for compressing tightly the outstanding coupling part in first double-end torsional spring and second double-end torsional spring middle part.

4. A bi-directional hair clipper head as set forth in claim 2, wherein: the bottom of the first movable knife and the bottom of the second movable knife are respectively provided with two limiting grooves, and two extending ends of the first double-end torsion spring and the second double-end torsion spring are clamped in the limiting grooves.

5. A bi-directional hair clipper head as set forth in claim 1, wherein: the top of the first eccentric push rod is provided with a spherical push head, and the top of the second eccentric push rod is provided with a spherical push head.

6. A bi-directional hair clipper head as set forth in claim 1, wherein: drive mechanism includes first driven shaft, second driven shaft, driving gear, first driven gear and second driven gear, first driven shaft and second driven shaft are arranged in the both sides of driving shaft, the driving gear is connected on the driving shaft, first driven gear is connected on first driven shaft, second driven gear is connected on the second driven shaft, the driving gear is engaged with first driven gear and second driven tooth intermeshing, and first driven gear and second driven tooth number of teeth are the same, first drive wheel is connected at first driven shaft top, the second drive wheel is connected at second driven shaft top.

7. The bi-directional hair clipper head of claim 6, wherein: the casing divide into casing and lower casing, go up the casing joint under on the casing, it is equipped with the baffle to go up casing bottom, drive mechanism connects between baffle and casing down, razor subassembly joint is on last casing, be equipped with two shaft holes on the baffle, two shaft holes are followed looks adaptation with first driven shaft and second driven shaft respectively.

8. A bi-directional hair clipper head as set forth in claim 1, wherein: the driving assembly further comprises a floating shaft, the floating shaft is connected to the bottom of the driving shaft, and a triangular clamping head is arranged at the bottom of the floating shaft.

9. A bi-directional hair clipper head as set forth in claim 1, wherein: the bidirectional barber scissors head further comprises a matching comb which is clamped on the shell.

10. A bidirectional hair clipper is characterized in that: comprising a housing, a drive means, a control means and a bidirectional barber scissors head as claimed in any one of claims 1 to 9, the drive means and the control means being arranged in the housing, the bidirectional barber scissors head being detachably connected to the housing, the bidirectional barber scissors head being in driving connection with the drive means.

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