CN216992017U - Electric ear canal clipping device - Google Patents

Abstract

The utility model discloses an electric ear canal clipping device, which comprises: a knife handle; the tool bit is arranged at the front end of the tool handle and is relatively fixed with the tool handle; the fixed blade is arranged on the cutter head, the fixed blade and the cutter head are relatively fixed, and the fixed blade is provided with a plurality of first sharp edges; the movable blade is arranged on the tool bit and movably connected with the tool bit, and is provided with a plurality of second sharp edges which are arranged opposite to the first sharp edges; the driving system comprises a power supply, a switch and a driving motor, the power supply is electrically connected with the driving motor, the switch controls the driving motor to be switched on and off, and the driving motor drives the movable blade to move back and forth relative to the cutter head, so that the first sharp edge and the second sharp edge are close to or far away from each other. The deviation generated by the shearing device is small, discomfort caused by the deviation of the shearing device and the collision of the external auditory canal of a patient can be avoided, the embarrassment that the ear hair cannot be well trimmed due to the deviation can be reduced, and the ear hair in the external auditory canal can be effectively trimmed.

Description

Electric ear canal clipping device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an electric ear canal hair cutter.

Background

There are more tiny hair near external auditory meatus, thereby it is fuzzy to lead to the camera lens easily to be stained with blood in the otoscope operation, influences the operation field of vision, causes very big inconvenience to the operation, needs to get rid of the earhair of external auditory meatus before the art.

In addition, the external auditory meatus is narrow, the ear canal is irregularly bent, and the hair in the external auditory meatus of a patient is difficult to be trimmed by the conventional scissors.

There are prior art ear canal trimmers having an operating end, a handle and a blade for cutting, which trim hairs of the external ear canal. When needing to cut hair, medical personnel need operate the operation end, make the operation end be close to the handle, and its inner structure can drive two blades that have the cutting structure of cockscomb structure and carry out relative motion, makes the crisscross realization of sawtooth part of two blades to the shearing of hair, compares in the past adopt the ear canal scissors of traditional scissors formula can be suitable for more with narrow and small ear canal, nevertheless this kind of ear canal hair clipper is manual operation usually and prunes the hair at present.

Because medical personnel are required to control the operation end to be close to the handle part, in the manual operation process of the medical personnel, large deviation can be generated inevitably, and the auditory canal hair cutter can not cut hair well.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: a motorized ear canal trimmer is provided to address one or more of the problems of the prior art, and to provide at least one of a number of beneficial alternatives or creations.

The solution of the utility model for solving the technical problem is as follows:

a powered ear canal shearer, comprising:

a knife handle;

the cutter head is arranged at the front end of the cutter handle and is relatively fixed with the cutter handle;

the fixed blade is arranged on the cutter head, the fixed blade and the cutter head are relatively fixed, and the fixed blade is provided with a plurality of first sharp edges;

the movable blade is arranged on the tool bit and is movably connected with the tool bit, the movable blade is provided with a plurality of second sharp edges, and the second sharp edges are arranged opposite to the first sharp edges;

driving system, driving system includes power, switch, driving motor, the power with driving motor electric connection, on-off control driving motor opens and close, driving motor drives the moving blade for tool bit reciprocating motion, so that first sharp sword with the second sharp sword is close to each other or keeps away from.

Through above-mentioned technical scheme, medical personnel drive the motion of movable blade through actuating system, make first sharp sword and second sharp sword be close to each other or keep away from to realize the shearing action, the hair in the above-mentioned action of repeated execution can carry out comparatively comprehensive clearance to the duct, can avoid sheltering from in the field of vision of art auricular hair. This scheme is for current ear hair scissors, and medical personnel only need grip the handle of a knife part, opens driving motor through the switch and can cut the ear hair, cuts efficiently. And when pruning the ear hair, compare in the manual pruning of current staff, produced skew is less, can avoid the external auditory canal collision discomfort that the hair clipper skew brought with the disease, and the while also can reduce the awkwardness that the ear hair can't be pruned well that the skew brought, can cut the ear hair in the external auditory canal effectively.

As a further improvement of the technical scheme, the knife handle comprises a handle and an extension rod.

Through above-mentioned technical scheme, the extension rod can lengthen the whole length of this ear hair scraper. The ear hair scraper is in a long rod-shaped structure like an ear endoscope operation microscopic instrument, and accords with the use habit and action characteristics of related medical personnel.

As a further improvement of the technical scheme, the front end of the cutter head is provided with a smooth top end.

Through above-mentioned technical scheme, the edges and corners of this duct shearing ware can be reduced on slick and sly top, incised wound disease's skin when avoiding duct shearing ware to get into disease duct.

As a further improvement of the technical scheme, the tool bit, the fixed blade and the movable blade are arc-shaped.

Through above-mentioned technical scheme, the tool bit of this scheme, fixed blade and movable blade are the arc form, compare in linear type blade and tool bit, can make this earhair scaler can adapt the bending structure of external auditory canal, make this earhair scaler can strike off the hair in the external auditory canal better.

As a further improvement of the above technical scheme, the cutter head is provided with a guide projection, and the guide projection is arc-shaped; the movable blade is provided with a guide groove, the guide groove is arc-shaped, and the guide groove is connected with the guide protrusion in a sliding manner.

Through above-mentioned technical scheme, direction arch and guide way lead to the movable blade, make movable blade keep following the arc motion.

As a further improvement of the technical scheme, the tool bit is detachably connected with the tool shank.

Through above-mentioned technical scheme, finish the back at this shearing mechanism to the auricular hair pruning of disease, also abandon the tool bit in the lump with the spare part of tool bit and installation in the tool bit, avoid tool bit part used repeatedly to lead to next patient to infect, make this duct shearing mechanism accord with the institute and feel.

As a further improvement of the technical scheme, the cutter head is hinged with a swinging piece, the driving motor drives the swinging piece to swing, the swinging piece is provided with a swinging groove, the movable blade is provided with a second connecting bulge, and the second connecting bulge is connected with the swinging groove in a sliding manner.

Through the technical scheme, when the swinging piece swings, the movable blade can do reciprocating motion due to the matching of the second connecting protrusion of the movable blade and the swinging groove of the swinging piece, so that the movable blade and the fixed blade can shear the earhair.

As a further improvement of the technical scheme, the cutter head is detachably connected with the cutter handle; the driving motor is connected with the swinging piece through a connecting shaft body, the connecting shaft body comprises a first shaft body, a second shaft body and a connecting shaft structure, the first shaft body is relatively fixed with the driving end of the driving motor, the second shaft body is connected with the swinging piece, and the first shaft body is in transmission connection with the second shaft body through the connecting shaft structure; the connecting shaft structure comprises a protruding part and a groove, the protruding part and the groove are respectively arranged on the first shaft body and the second shaft body, the protruding part is of a polygonal structure, and the groove is matched with the protruding part.

Through the technical scheme, after this hair clipper prunes the earhair of disease, also abandon the tool bit in the lump in the spare part of tool bit and installing, it leads to next patient to infect to avoid tool bit part used repeatedly, through first axis body, the second axis body is with even axle construction connection driving motor and oscillating piece, can realize actuating system and the tool bit of difference pairs, when another tool bit of installation, only need aim at protrusion and recess, with protrusion and recess joint afterwards, and to handle of a knife and tool bit relatively fixed can, the change of tool bit is simple.

As a further improvement of the above technical solution, the driving motor is a linear motor, the driving motor is provided with a pushing direction, the driving end of the driving motor is connected with a pushing member, the moving blade is provided with a pushing groove, the pushing member is connected with the pushing groove in a sliding manner, and the relative sliding direction of the pushing member and the pushing groove intersects with the pushing direction.

According to the technical scheme, the pushing piece is driven to move by the linear motor, the pushing groove and the pushing piece slide relatively in the moving process of the movable blade, the movable blade and the pushing piece are prevented from being clamped, the movable blade is driven to reciprocate by the movement of the pushing piece, and the movable blade and the fixed blade shear the earhair.

As a further improvement of the above technical scheme, the cutter head is detachably connected with the cutter handle; the tool handle is provided with a connecting piece, a reset elastic piece and a connecting button, the connecting piece is connected with the tool handle in a sliding mode, the connecting button is fixedly connected with the connecting piece, the reset elastic piece is arranged between the connecting piece and the tool handle, and the connecting button extends out of the tool handle; the connecting piece includes two at least third connecting protrusion, driving motor's drive end is equipped with first spread groove, the impeller is equipped with the second spread groove, two at least third connecting protrusion respectively with first spread groove with the cooperation of second spread groove joint.

Through the technical scheme, after this hair clipper prunes the earhair of disease, also abandon the tool bit and install in the spare part of tool bit in the lump, avoid tool bit part used repeatedly to lead to next patient to infect, through first axis body, second axis body and even axle construction connection driving motor and oscillating piece, can realize actuating system and different tool bits and pair, when another tool bit of installation, only need to press the connection button, install handle of a knife and tool bit afterwards, loosen the connection button afterwards, the connecting piece resets owing to the effect of the elastic component that resets, the in-process resets, two at least third connect the arch can respectively with first spread groove and second spread groove joint, thereby realize impeller and driving motor's power transmission, the change of tool bit is simple.

The utility model has the beneficial effects that: compared with the manual trimming of the existing workers, the generated deviation is small, the discomfort caused by the collision of the hair trimmer with the external auditory canal of a patient can be avoided, the embarrassment that the ear hair cannot be well trimmed due to the deviation can be reduced, and the ear hair in the external auditory canal can be effectively trimmed.

The utility model is used in the technical field of medical instruments.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the utility model, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.

FIG. 1 is a schematic overall structure diagram of a first embodiment of the present invention;

FIG. 2 is a partially enlarged schematic view of portion A of FIG. 1;

FIG. 3 is a schematic view of a connection structure of a tool shank and a tool bit according to an embodiment of the utility model;

FIG. 4 is an exploded view of a connecting shaft according to an embodiment of the present invention;

FIG. 5 is a schematic view of the overall structure of a second embodiment of the present invention;

fig. 6 is a partially enlarged schematic view of a portion B in fig. 5.

In the figure, 100, a tool shank; 110. a handle; 120. an extension pole; 121. a limiting bulge; 200. a cutter head; 210. a guide projection; 220. the top end is smooth; 230. a limiting groove; 300. fixing a blade; 400. a movable blade; 410. a second connecting projection; 420. a push groove; 430. a guide groove; 510. a connecting shaft body; 511. a first shaft body; 512. a second shaft body; 513. a groove; 514. a protruding member; 520. a swinging member; 521. a swing groove; 530. a driving wheel; 540. a driven wheel; 541. a first connecting projection; 550; a pusher member; 551. a second connecting groove; 610. a connecting member; 611. a third connecting projection; 620. a restoring elastic member; 630. a connection button; 710. a drive motor; 711. a first connecting groove; 720. a power source; 730. and (6) switching.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliaries according to specific implementation conditions. All technical characteristics in the utility model can be interactively combined on the premise of not conflicting with each other.

The first embodiment is as follows:

referring to fig. 1 to 4, a power-driven ear canal shearer includes a handle 100, a cutter head 200, a stationary blade 300, a movable blade 400, and a driving system.

The hilt 100 is detachably connected with the tool bit 200, a limiting protrusion is arranged at one end of the hilt 100, a limiting groove is arranged at one end of the tool bit 200, and the limiting protrusion and the limiting groove are clamped and matched, so that the hilt 100 and the tool bit 200 are relatively fixed. The knife handle 100 and the knife head 200 are relatively fixed through friction between the knife handle and the knife head and clamping fit of the limiting protrusions and the limiting grooves, and the fixing mode is reliable. The handle 100 includes a handle 110 and an extension rod 120, the handle 110 is disposed at one end of the extension rod 120 far away from the tool bit 200, and the limiting protrusion is disposed on an inner wall surface of one end of the extension rod 120 far away from the handle 110.

The drive system includes a power supply 720, a switch 730, and a drive motor 710. The power supply 720 is a storage battery, and the power supply 720 is fixed at one end of the tool holder 100 far away from the tool bit 200 (in other embodiments, the power supply 720 can be an alternating current plug). The driving motor 710 is electrically connected to the power supply 720, and in the present embodiment, the driving motor 710 is a rotating motor. The switch 730 is disposed on the outer surface of one end of the tool holder 100 away from the tool tip 200, the switch 730 may be a mechanical switch or a touch switch, the switch 730 is connected to the driving motor 710, and the switch 730 is used to control the on/off of the driving motor 710.

The foremost end of the tool tip 200 is provided with a smooth top end 220, and the smooth top end 220 is hemispherical (in other embodiments, the smooth top end 220 may be ellipsoidal or a cylinder with circular arc chamfer, so that the smooth top end 220 has no edge angle). The front end of the cutter head 200, the fixed blade 300 and the movable blade 400 are all arc-shaped. The cutter head 200 is provided with mounting grooves in which the stationary blade 300 and the movable blade 400 are mounted. The fixed blade 300 is fixedly connected with the cutter head 200, and the movable blade 400 is connected with the cutter head 200 in a sliding manner. Tool bit 200 is equipped with direction arch 210, specifically, direction arch 210 sets up in the mounting groove, and moving blade 400 has seted up guide way 430, and direction arch 210 and guide way 430 all are the arc form, and the length of guide way 430 is greater than the length of direction arch 210, and direction arch 210 and guide way 430 slide and connect.

The fixed blade 300 and the movable blade 400 are both provided with a sawtooth structure, two edges of the sawtooth of the fixed blade 300 are set as first sharp edges, and two edges of the sawtooth of the movable blade 400 are set as second sharp edges.

A linkage assembly is arranged between the driving motor 710 and the movable blade 400, and comprises a connecting shaft body 510, a driving wheel 530, a driven wheel 540 and a swinging piece 520.

The connecting shaft body 510 includes a first shaft body 511, a second shaft body 512, and a coupling structure.

The first shaft 511 and the driving motor 710 are fixed relatively, and the second shaft 512 and the driving wheel 530 are fixed relatively. The coupling structure is arranged between the first shaft body 511 and the second shaft body 512, the coupling structure includes a protruding part 514 and a groove 513, the protruding part 514 is arranged on the second shaft body 512, the groove 513 is arranged on the first shaft body 511, the cross sections of the groove 513 and the protruding part 514 are arranged in a cross-shaped structure (in other embodiments, a star-shaped structure or other polygonal structures can be adopted), and the groove 513 and the protruding part 514 are matched. When the cutting head 200 and the handle 100 are disassembled, the first shaft body 511 and the second shaft body 512 are separated, the first shaft body 511 is reserved in the handle 100, the second shaft body 512, the cutting head 200 and a structure installed on the cutting head 200 are discarded together, the infection of a next patient caused by the repeated use of the cutting head 200 is avoided, and the auditory canal hair cutter meets the hospital feeling. In other embodiments, the connecting shaft body 510 may be a single shaft, the upper end of the shaft is provided with the protrusion 514, and the recess 513 is opened on the driving wheel 530.

The driving wheel 530 and the driven wheel 540 are both rotatably connected with the cutter head 200, the driving wheel 530 and the driven wheel 540 are both provided as bevel gears, and the driving wheel 530 and the driven wheel 540 are meshed with each other (in other embodiments, other modes of crossed-axis transmission systems can be adopted).

The front end of the oscillating member 520 is hinged to the cutter head 200, and the oscillating member 520 is provided with an oscillating groove 521.

The driven wheel 540 is protruded with a first connecting protrusion 541 eccentrically arranged, the movable blade 400 is provided with a second connecting protrusion 410, and the first connecting protrusion 541 and the second connecting protrusion 410 are slidably connected with the swing groove 521.

When the driving motor 710 works, the first shaft body 511 is driven to rotate, the first shaft body 511 drives the second shaft body 512 to rotate through the shaft connecting structure, so as to drive the driving wheel 530 to rotate, the driving wheel 530 drives the driven wheel 540 to rotate, the swinging member 520 is driven to rotate around the hinge axis of the swinging member and the cutter head 200 when the driven wheel 540 rotates due to the cooperation of the first connecting protrusion 541 and the swinging groove 521, and the movable blade 400 and the cutter head 200 move relative to each other when the swinging member 520 swings due to the cooperation of the second connecting protrusion 410 of the movable blade 400 and the swinging groove 521. The driven wheel 540 continuously rotates to drive the moving blade 400 to continuously reciprocate, so that the second sharp edge and the first sharp edge continuously and repeatedly approach and leave, thereby realizing the shearing of the ear hair.

In other embodiments, the driving motor 710 may be configured as a linear motor, and the linkage assembly is configured to include a connecting shaft 510 and an oscillating member 520, where the driving motor 710 drives a free end of the oscillating member 520 (i.e., an end away from a hinge joint between the oscillating member 520 and the tool bit 200) to move in a forward and backward direction, so as to oscillate the oscillating member 520 and drive the movable blade 400 to reciprocate.

Example two:

referring to fig. 5 to 6, unlike the first embodiment, the driving motor 710 of the present embodiment is configured as a linear motor. The driving motor 710 is provided with a pushing direction, the front end of the driving motor 710 is set as a driving end, the driving end of the driving motor 710 is connected with the pushing piece 550, the moving blade 400 is provided with a pushing groove 420, the length direction of the pushing groove 420 is perpendicular to the pushing direction, the length direction of the pushing groove 420 is parallel to the left and right directions, the pushing piece 550 is connected with the pushing groove 420 in a sliding manner, when the driving motor 710 drives the pushing piece 550 to move in the front and back directions, the moving blade 400 can move in the front and back directions, and due to the matching of the guide groove 430 and the guide protrusion 210, the moving blade 400 can relatively slide with the tool bit 200 along an arc line, so that the shearing of the earhair is realized.

The tool shank 100 is provided with a coupling member 610, a return elastic member 620, and a coupling button 630. Both the connecting member 610 and the elastic return member 620 are disposed in the tool handle 100, and the connecting button 630 extends out of the tool handle 100. The reset elastic part 620 is arranged between the connecting part 610 and the knife handle 100, the connecting button 630 is fixedly connected with the connecting part 610, the connecting part 610 is provided with two third connecting protrusions 611, the driving end of the driving motor 710 is provided with a first connecting groove 711, the pushing part 550 is provided with a second connecting groove 551, the first connecting groove 711 and the second connecting groove 551 are respectively in clamping fit with the two third connecting protrusions 611, so that the driving motor 710 and the driving part can be quickly connected and disconnected.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the utility model as set forth in the claims appended hereto.

Claims (10)

1. An electronic duct shearing ware which characterized in that: the method comprises the following steps:

a knife handle (100);

the tool bit (200) is arranged at the front end of the tool handle (100), and the tool bit (200) and the tool handle (100) are relatively fixed;

the fixed blade (300) is mounted on the cutter head (200), the fixed blade (300) is relatively fixed with the cutter head (200), and the fixed blade (300) is provided with a plurality of first sharp edges;

the movable blade (400) is mounted on the tool bit (200), the movable blade (400) is movably connected with the tool bit (200), a plurality of second sharp edges are arranged on the movable blade (400), and the second sharp edges are arranged opposite to the first sharp edges;

drive system, drive system includes power (720), switch (730), driving motor (710), power (720) with driving motor (710) electric connection, switch (730) control opening and close of driving motor (710), driving motor (710) drive moving blade (400) for tool bit (200) reciprocating motion, so that first sharp sword with second sharp sword is close to each other or keeps away from.

2. The electric ear canal shearer of claim 1, wherein: the handle (100) includes a handle (110) and an extension rod (120).

3. The electric ear canal shearer of claim 1, wherein: the front end of the cutter head (200) is provided with a smooth top end (220).

4. The electric ear canal shearer of claim 1, wherein: the cutter head (200), the fixed blade (300) and the movable blade (400) are arc-shaped.

5. The device of claim 4, wherein said device further comprises: the cutter head (200) is provided with a guide bulge (210), and the guide bulge (210) is arc-shaped; the movable blade (400) is provided with a guide groove (430), the guide groove (430) is arc-shaped, and the guide groove (430) is connected with the guide protrusion (210) in a sliding manner.

6. The electric ear canal shearer of claim 1, wherein: the tool bit (200) is detachably connected with the tool handle (100).

7. The electric ear canal shearer of claim 1, wherein: tool bit (200) articulate has swing piece (520), driving motor (710) drive swing piece (520) swing, swing piece (520) are equipped with swing groove (521), moving blade (400) are equipped with second and connect arch (410), second connect arch (410) with swing groove (521) are connected that slides.

8. The device of claim 7, wherein: the cutter head (200) is detachably connected with the cutter handle (100); the driving motor (710) is connected with the swinging piece (520) through a connecting shaft body (510), the connecting shaft body (510) comprises a first shaft body (511), a second shaft body (512) and a connecting shaft structure, the first shaft body (511) is relatively fixed with the driving end of the driving motor (710), the second shaft body (512) is connected with the swinging piece (520), and the first shaft body (511) is in transmission connection with the second shaft body (512) through the connecting shaft structure; the shaft connecting structure comprises a protruding part (514) and a groove (513), the protruding part (514) and the groove (513) are respectively arranged on the first shaft body (511) and the second shaft body (512), the protruding part (514) is of a polygonal structure, and the groove (513) is matched with the protruding part (514).

9. The electric ear canal shearer of claim 1, wherein: the driving motor (710) is set to be a linear motor, the driving motor (710) is provided with a pushing direction, the driving end of the driving motor (710) is connected with a pushing piece (550), the moving blade (400) is provided with a pushing groove (420), the pushing piece (550) is connected with the pushing groove (420) in a sliding mode, and the relative sliding direction of the pushing piece (550) and the pushing groove (420) is intersected with the pushing direction.

10. The electric ear canal shearer of claim 9, wherein: the tool bit (200) is detachably connected with the tool handle (100); the tool handle (100) is provided with a connecting piece (610), a reset elastic piece (620) and a connecting button (630), the connecting piece (610) is connected with the tool handle (100) in a sliding mode, the connecting button (630) is fixedly connected with the connecting piece (610), the reset elastic piece (620) is arranged between the connecting piece (610) and the tool handle (100), and the connecting button (630) extends out of the tool handle (100); the connecting piece (610) comprises at least two third connecting protrusions (611), a first connecting groove (711) is formed in the driving end of the driving motor (710), a second connecting groove (551) is formed in the pushing piece (550), and the at least two third connecting protrusions (611) are respectively in clamping fit with the first connecting groove (711) and the second connecting groove (551).

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