CN210389265U

CN210389265U - Hair clipper with stepless speed change

Info

Publication number: CN210389265U
Application number: CN201920454438.5U
Authority: CN
Inventors: 吕雅飞
Original assignee: Ningbo Jiamei Electric Co ltd
Current assignee: Ningbo Jiamei Electric Co ltd
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2020-04-24
Anticipated expiration: 2029-04-04

Abstract

The utility model discloses a hair clipper with stepless speed change, which comprises a shell and a blade component, wherein the blade component is arranged on the shell, an adjusting sleeve is rotatably connected outside the shell, a power supply component and a motor are arranged in the shell, the blade component comprises a fixed knife rest, a fixed blade and a movable blade, pins are arranged on the motor, a switch circuit board is welded on the pins, a potentiometer is integrated on the switch circuit board, the potentiometer is provided with a switch plectrum, the switch plectrum is rotatably connected with the potentiometer, and the switch plectrum is provided with a jack; the adjusting sleeve is fixedly connected with an adjusting block, and the adjusting block is provided with a plug-in column. The utility model has the advantages of it is following and effect: the novel mechanical structure is utilized, the shearing speed of the blade assembly is adjusted in a stepless speed change mode, and the novel gear shifting mechanism has the effects of smoother gear shifting process, higher acceleration and wider speed change range; the rotating speed is adjusted by adopting the rotating adjusting sleeve, so that the operation is more convenient; the distance between the fixed blade and the tooth tip of the movable blade can be adjusted by adopting the adjusting plectrum.

Description

Hair clipper with stepless speed change

Technical Field

The utility model relates to a haircut instrument technical field, in particular to haircut scissors with infinitely variable.

Background

Hair clippers are a common tool used to trim hair or animal hair and are well known and commonly used. The structure of the hair clipper mainly comprises a shell, a motor and a power supply assembly are arranged in the shell, and a blade assembly driven by the motor is arranged at the front end of the shell.

The gear of the hair clipper can be adjusted according to different use conditions when the hair clipper is used, so that the hair cutting effect of the blade is better, and the efficiency is higher. However, the existing hair clipper usually performs gear shifting acceleration in a manual adjustment mode, and a pause feeling can occur in the gear shifting process, so that the problem of slow acceleration and the problem of limited speed change range exist, and the application range is narrow.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shear for hairdressing with infinitely variable, adopt infinitely variable's mode, have the process of shifting more smooth, accelerate faster effect, and optional variable speed within range any speed, application scope is wider.

The above technical purpose of the present invention can be achieved by the following technical solutions: a hair clipper with stepless speed change comprises a shell and a blade assembly, wherein the blade assembly is fixedly arranged at the front end of the shell, an adjusting sleeve is rotatably connected outside the shell, a power supply assembly and a motor electrically connected with the power supply assembly are respectively arranged in the shell, the blade assembly comprises a fixed knife rest, a fixed blade fixedly arranged on the fixed knife rest and a movable blade movably arranged on the fixed knife rest and driven by the motor, pins are arranged on the motor, a switch circuit board is welded on the pins, a potentiometer is integrated on the switch circuit board, a switch poking sheet is arranged on the potentiometer and is rotatably connected with the potentiometer, and a plug-in hole is formed in the side wall of the switch poking sheet; the adjusting sleeve is fixedly connected with an adjusting block, and the adjusting block is provided with an inserting column which is inserted and matched with the inserting hole.

Through adopting above-mentioned technical scheme, in the haircut process, clockwise rotation adjusting collar starts, and under the mating reaction of grafting post and spliced eye, the switch plectrum rotates thereupon and makes the motor circular telegram, and the high-speed rotation of motor drives the high-speed removal about the knife rest, moves the knife rest and moves the hair that the cutting got into in the stationary blade cuts the tooth and prunes. When the shearing speed needs to be adjusted, the adjusting sleeve is continuously rotated clockwise, the adjusting sleeve drives the insertion column to move, the switch plectrum is enabled to rotate circumferentially, the motor can be enabled to accelerate steplessly under the matching of the potentiometer and the motor, the motor can be enabled to decelerate steplessly by rotating the adjusting sleeve anticlockwise, and when the switch plectrum is rotated back to the most original position, the switch plectrum is in a shutdown state. Therefore, the rotating speed of the motor is adjusted in a stepless speed change mode, no gear shifting action or pause and pause feeling during gear shifting exists in the adjusting process, the effects of smoother gear shifting and quicker acceleration are achieved, any speed in a speed change range can be selected, and the application range is wider.

The utility model discloses a further set up to: still be provided with the baffle on the motor, the baffle is located between motor and the switch circuit board.

By adopting the technical scheme, the motor is easy to generate heat when in working state, and the motor is separated from the switch circuit board through the partition plate, so that the switch circuit board can be protected to a certain extent, and the service life of the switch circuit board is prolonged

The utility model discloses a further set up to: the shell is provided with a waist-shaped hole which is in sliding fit with the insertion column along the circumferential direction.

Through adopting above-mentioned technical scheme, when the spliced pole was followed waist type hole motion, waist type hole's both ends can play limiting displacement to the spliced pole.

The utility model discloses a further set up to: the shell is provided with a stop dog with a semicircular section, and the lower surface of the adjusting block is provided with a limiting block which is matched with the stop dog in a positioning way.

Through adopting above-mentioned technical scheme, when the hair clipper is in the shutdown state, support the dog and offset with the stopper, can prevent to a certain extent that the maloperation from opening the hair clipper.

The utility model discloses a further set up to: a fixed seat is arranged on the fixed tool rest in a sliding manner, a pressure spring is arranged on the fixed seat, a movable tool rest is fixedly connected onto the movable tool blade, the movable tool rest is fixedly connected onto the fixed seat through the pressure spring, and a gear adjusting column is arranged on the fixed seat; a gear fixing column is arranged on the fixed knife rest, a fan-shaped adjusting shifting sheet is rotatably connected onto the gear fixing column, an arc-shaped groove in sliding fit with the gear adjusting column is obliquely formed in the adjusting shifting sheet, a waist-shaped sliding groove in sliding fit with the gear adjusting column is axially formed in the fixed knife rest, and the gear adjusting column sequentially penetrates through the waist-shaped sliding groove and the arc-shaped groove; a positioning device is arranged between the fixed knife rest and the adjusting shifting piece.

Through adopting above-mentioned technical scheme, when adjusting the prong distance of stationary blade and movable blade, use the gear fixed column to rotate as the pivot and adjust the plectrum, rotate the in-process arc wall drive gear at the regulation plectrum and adjust the post and slide along waist type spout, so can drive the fixing base and slide along the axial, can fix a position the position of the regulation plectrum after adjusting through positioner, thereby the accessible is adjusted the prong distance of stationary blade and movable blade and is changed the length of pruning hair, and accommodation process is more convenient.

The utility model discloses a further set up to: the positioning device comprises a supporting spring and a positioning steel ball, a containing hole is formed in the fixed cutter frame, the supporting spring is arranged in the containing hole, the positioning steel ball is arranged between the supporting spring and the adjusting shifting piece, a plurality of positioning holes matched with the positioning steel ball in a positioning mode are formed in the adjusting shifting piece, and the supporting spring enables the positioning steel ball to be always supported against the adjusting shifting piece.

Through adopting above-mentioned technical scheme to when the gear fixed column rotates the regulation plectrum as the pivot, the location steel ball receives to support tight spring behind the apical force at locating hole edge and compresses, after the regulation plectrum rotates, under the elastic force effect of supporting tight spring, the location steel ball is pushed up into adjacent locating hole once more, so can fix a position the position of adjusting the plectrum.

The utility model discloses a further set up to: five positioning holes are arranged on the adjusting shifting piece.

Through adopting above-mentioned technical scheme, the tooth point distance adjustment gear of moving blade and stationary blade sets up to five grades.

The utility model discloses a further set up to: the one end that the gear fixed column was kept away from to the regulation plectrum stretches out the stationary knife frame, and the one end that the regulation plectrum stretches out the stationary knife frame is provided with the post of gripping.

Through adopting above-mentioned technical scheme, the user accessible holds the mode rotation regulation plectrum that grips the post when rotating the regulation plectrum, and it is more convenient to operate.

The utility model discloses a further set up to: the casing is internally and fixedly connected with a buckling foot, and the blade component is fixedly connected on the casing through the buckling foot.

Through adopting above-mentioned technical scheme, blade subassembly is through detaining foot fixed connection on the casing, even blade subassembly amplitude of oscillation is very big in the haircut process, connects also more firmly.

To sum up, the utility model discloses following beneficial effect has:

1. the shearing speed of the movable blade and the static blade is adjusted in a stepless speed change mode, so that the gear shifting device has the effects of smoother gear shifting process, higher acceleration and wider selectable speed change range;

2. the rotating speed can be adjusted by rotating the adjusting sleeve, so that the operation is more convenient;

3. the distance between the fixed blade and the tooth tip of the movable blade can be adjusted by adopting the adjusting plectrum, so that the length of the hair to be trimmed can be changed.

Drawings

Fig. 1 is a schematic diagram of the overall structural relationship of the embodiment.

Fig. 2 is an exploded structural relationship diagram of the embodiment.

Fig. 3 is a schematic diagram of the position structure relationship between the adjusting sleeve and the switch plectrum in the embodiment.

Fig. 4 is a schematic structural relationship diagram of the fixed seat, the fixed tool rest and the adjusting shifting piece in the embodiment.

In the figure: 1. a housing; 11. an upper shell; 111. a kidney-shaped hole; 112. a stop block; 12. a lower case; 13. an accommodating cavity; 14. a power supply component; 15. a motor; 151. a pin; 16. a partition plate; 17. buckling legs; 2. a blade assembly; 21. a fixed tool rest; 211. a gear fixing column; 212. a waist-shaped chute; 213. a housing hole; 22. fixing a blade; 23. a movable knife rest; 24. a movable blade; 3. an adjusting sleeve; 31. an adjusting block; 32. inserting the column; 33. a limiting block; 4. a switch circuit board; 5. a potentiometer; 51. a switch paddle; 511. inserting holes; 6. a fixed seat; 61. a pressure spring; 62. a gear adjusting column; 7. adjusting the shifting piece; 71. an arc-shaped slot; 72. positioning holes; 73. a holding post; 8. the spring is tightly propped; 9. positioning the steel balls; 10. a handle.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

A hair clipper with stepless speed change is disclosed, as shown in figures 1-3, comprising a casing 1 and a blade component 2, wherein the blade component 2 is fixedly arranged at the front end of the casing 1. The adjustable potentiometer comprises a shell 1, an adjusting sleeve 3, a handle 10, a handle 1, a pin 151, a switch circuit board 4, a potentiometer 5, a switch plectrum 51 and a switch plectrum 51, wherein the shell 1 is rotatably connected with the adjusting sleeve 3, the handle 1 is sleeved with the handle 10, the shell 1 comprises an upper shell 11 and a lower shell 12, the upper shell 11 and the lower shell 12 are buckled to form an accommodating cavity 13, a power supply assembly 14 and a motor 15 electrically connected with the power supply assembly 14 are respectively arranged in the accommodating cavity 13, a partition 16 is arranged at the rear end of the motor 15, the pin 151 penetrates through the partition 16, the switch circuit board 4 is welded on the pin 151, the switch circuit board 4 is installed on the partition 16, the potentiometer 5 is welded and integrated on the switch circuit board 4, the potentiometer; the side wall of the switch shifting piece 51 is provided with an inserting hole 511, the inner wall of the adjusting sleeve 3 is provided with an adjusting block 31 along the axial extension, the adjusting block 31 is provided with an inserting column 32 which is inserted and matched with the inserting hole 511, the upper shell 11 is provided with a waist-shaped hole 111 which is in sliding fit with the inserting column 32 along the circumferential direction, and the inserting column 32 penetrates through the waist-shaped hole 111 and then is inserted and connected into the inserting hole 511. The upper surface of the upper shell 11 is provided with a stop block 112, the cross section of the stop block 112 is semicircular, and the lower surface of the adjusting block 31 is provided with a limit block 33 which is matched with the stop block 112 in a positioning manner.

As shown in fig. 1 and 2, the blade assembly 2 includes a stationary blade holder 21, a stationary blade 22 fixedly disposed on the stationary blade holder 21 by screws, and a movable blade holder 23 movably disposed on the stationary blade holder 21 and driven by the motor 15, the movable blade holder 23 is fixedly connected with a movable blade 24 by screws, the upper housing 11 is internally and fixedly connected with fastening feet 17 by screws, and the blade assembly 2 is fixedly mounted at the front end of the upper housing 11 by the fastening feet 17, and the connection is firm even if the blade assembly 2 swings in a large amplitude during hair cutting.

In the hair cutting process, the adjusting sleeve 3 is rotated clockwise to start, under the matching action of the insertion column 32 and the insertion hole 511, the switch shifting piece 51 rotates along with the rotation to electrify the motor 15, the motor 15 rotates at a high speed to drive the movable knife rest 23 to move left and right at a high speed, and the movable knife rest 23 drives the movable knife 24 to move left and right to cut hair entering the cutting teeth of the fixed knife 22. When the shearing speed needs to be adjusted, the adjusting sleeve 3 continues to rotate clockwise, the adjusting sleeve 3 drives the insertion column 32 to move along the waist-shaped hole 111 through the adjusting block 31, the switch shifting piece 51 is enabled to rotate circumferentially, two ends of the waist-shaped hole 111 can limit the insertion column 32, and the motor 15 can be steplessly accelerated under the matching of the potentiometer 5 and the motor 15; the motor 15 can be steplessly decelerated by rotating the adjusting sleeve 3 counterclockwise, and when the switch plectrum 51 is rotated back to the most original position, the switch plectrum is in a power-off state. Therefore, the rotating speed of the motor 15 is adjusted by adopting a stepless speed change mode, no gear shifting action and no pause and contusion during gear shifting exist in the adjusting process, the effects of smoother gear shifting and quicker acceleration are achieved, any speed in a speed change range can be selected, and the application range is wider. When the hair clipper is in the power-off state, the abutting block 112 abuts against the limiting block 33, so that the hair clipper can be prevented from being opened by misoperation to a certain extent. Because the motor 15 is easy to generate heat when in a working state, the motor 15 is separated from the switch circuit board 4 by the partition plate 16, and the switch circuit board 4 can be protected to a certain extent, so that the service life of the switch circuit board 4 is prolonged.

As shown in fig. 2 and 4, a fixed seat 6 is slidably disposed on the fixed blade holder 21, a compression spring 61 is disposed on the fixed seat 6, the movable blade holder 23 is fixedly connected to the fixed seat 6 through the compression spring 61, and a gear adjusting column 62 is disposed on the bottom surface of the fixed seat 6; the lower surface of the fixed knife rest 21 is provided with a gear fixing column 211, the gear fixing column 211 is rotatably connected with a fan-shaped adjusting shifting sheet 7, an arc-shaped groove 71 in sliding fit with the gear adjusting column 62 is obliquely formed in the adjusting shifting sheet 7, a waist-shaped sliding groove 212 in sliding fit with the gear adjusting column 62 is axially formed in the fixed knife rest 21, and the gear adjusting column 62 sequentially penetrates through the waist-shaped sliding groove 212 and the arc-shaped groove 71; a positioning device is arranged between the fixed seat 6 and the adjusting shifting piece 7, the positioning device comprises a resisting spring 8 and a positioning steel ball 9, the bottom surface of the fixed knife rest 21 is provided with an accommodating hole 213, the resisting spring 8 is arranged in the accommodating hole 213, the positioning steel ball 9 is arranged between the resisting spring 8 and the adjusting shifting piece 7, the adjusting shifting piece 7 is provided with five positioning holes 72 which are positioned and matched with the positioning steel ball 9, and the resisting spring 8 enables the positioning steel ball 9 to always resist against the adjusting shifting piece 7; one end of the adjusting shifting piece 7, which is far away from the gear fixing column 211, extends out of the fixed tool holder 21, and one end of the adjusting shifting piece 7, which extends out of the fixed tool holder 21, is provided with a holding column 73.

When adjusting the prong distance of stationary blade 22 and moving blade 24, the user accessible holds the mode rotation regulation plectrum 7 of post 73 with hand, use gear fixed column 211 to rotate regulation plectrum 7 as the pivot, adjust plectrum 7 rotation in-process arc 71 drive gear regulation post 62 and slide along waist type spout 212, so can drive fixing base 6 and slide along the axial, location steel ball 9 supports under the elastic force effect of supporting tight spring 8 and tightly can fix a position regulation plectrum 7 in locating hole 72, thereby adjustable stationary blade 22 and moving blade 24's prong distance changes the length of pruning hair, the prong distance adjustment gear sets up to five grades, adjustment process is more convenient.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. The utility model provides a hair clipper with infinitely variable, includes casing (1), blade subassembly (2) fixed mounting in the front end of casing (1), casing (1) outer swivelling joint has adjusting collar (3), be provided with power supply module (14) in casing (1) respectively, with power supply module (14) electric connection's motor (15), blade subassembly (2) including stationary knife rest (21), fixed locating stationary knife piece (22), the activity on stationary knife rest (21) set up in on stationary knife rest (21) and by motor (15) driven moving blade (24), its characterized in that: a pin (151) is arranged on the motor (15), a switch circuit board (4) is welded on the pin (151), a potentiometer (5) is integrated on the switch circuit board (4), a switch shifting sheet (51) is arranged on the potentiometer (5), the switch shifting sheet (51) is rotatably connected to the potentiometer (5), and a plug-in hole (511) is formed in the side wall of the switch shifting sheet (51); the adjusting sleeve (3) is fixedly connected with an adjusting block (31), and the adjusting block (31) is provided with a plug-in column (32) which is in plug-in fit with the plug-in hole (511).

2. The hair clipper with stepless speed change according to claim 1, characterized in that: the motor (15) is further provided with a partition plate (16), and the partition plate (16) is located between the motor (15) and the switch circuit board (4).

3. The hair clipper with stepless speed change according to claim 1, characterized in that: the shell (1) is provided with a waist-shaped hole (111) which is in sliding fit with the insertion column (32) along the circumferential direction.

4. The hair clipper with stepless speed change according to claim 1, characterized in that: the shell (1) is provided with a stop block (112) with a semicircular section, and the lower surface of the adjusting block (31) is provided with a limiting block (33) which is matched with the stop block (112) in a positioning way.

5. The hair clipper with stepless speed change according to claim 1, characterized in that: a fixed seat (6) is slidably arranged on the fixed knife rest (21), a pressure spring (61) is arranged on the fixed seat (6), a moving knife rest (23) is fixedly connected to the moving knife blade (24), the moving knife rest (23) is fixedly connected to the fixed seat (6) through the pressure spring (61), and a gear adjusting column (62) is arranged on the fixed seat (6); a gear fixing column (211) is arranged on the fixed knife rest (21), a fan-shaped adjusting shifting sheet (7) is rotatably connected to the gear fixing column (211), an arc-shaped groove (71) in sliding fit with the gear adjusting column (62) is obliquely formed in the adjusting shifting sheet (7), a waist-shaped sliding groove (212) in sliding fit with the gear adjusting column (62) is axially formed in the fixed knife rest (21), and the gear adjusting column (62) sequentially penetrates through the waist-shaped sliding groove (212) and the arc-shaped groove (71); and a positioning device is arranged between the fixed cutter frame (21) and the adjusting shifting sheet (7).

6. The hair clipper with stepless speed change according to claim 5, characterized in that: the positioning device comprises a resisting spring (8) and a positioning steel ball (9), a containing hole (213) is formed in the fixed cutter frame (21), the resisting spring (8) is arranged in the containing hole (213), the positioning steel ball (9) is arranged between the resisting spring (8) and the adjusting shifting piece (7), a plurality of positioning holes (72) which are matched with the positioning steel ball (9) in a positioning mode are formed in the adjusting shifting piece (7), and the resisting spring (8) enables the positioning steel ball (9) to be always resisted against the adjusting shifting piece (7).

7. The hair clipper with stepless speed change according to claim 6, characterized in that: five positioning holes (72) are formed in the adjusting shifting sheet (7).

8. The hair clipper with stepless speed change according to claim 5, characterized in that: one end, far away from the gear fixing column (211), of the adjusting shifting piece (7) extends out of the fixed tool rest (21), and one end, extending out of the fixed tool rest (21), of the adjusting shifting piece (7) is provided with a holding column (73).

9. The hair clipper with stepless speed change according to claim 1, characterized in that: the blade assembly is characterized in that a buckling foot (17) is fixedly connected in the shell (1), and the blade assembly (2) is fixedly connected to the shell (1) through the buckling foot (17).