CN215433781U

CN215433781U - Adjusting device of vortex line gear

Info

Publication number: CN215433781U
Application number: CN202120941698.2U
Authority: CN
Inventors: 高艺中
Original assignee: Ningbo Gaoli Electronic Technology Co ltd
Current assignee: Ningbo Gaoli Electronic Technology Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2022-01-07
Anticipated expiration: 2031-04-30

Abstract

The utility model discloses an adjusting device of a vortex line gear, which comprises a knob, a rotary table and a connecting block, wherein the knob can drive the rotary table to rotate, the rotary table is provided with a driving groove, the driving groove is of a vortex involute structure, the connecting block is provided with a driving column positioned in the driving groove, and the connecting block and the driving column are displaced through the rotation of the knob, the rotary table and the driving groove. The utility model has reasonable structural design, good structural universality and convenient operation for users.

Description

Adjusting device of vortex line gear

Technical Field

The utility model relates to the field of hair clippers, in particular to an adjusting device of a vortex line gear.

Background

The electric hair clipper is a hair dressing and hairdressing tool. Electric hair clippers are generally classified into two types, one being of a plug-in type and the other being of a rechargeable type. The electric hair clipper generally comprises a fixed hair-cutting tooth, a movable hair-cutting tooth, an adjusting handle, a shell and electric parts arranged in the shell, and when the electric hair-cutting clipper is used, electricity is used as power, and alternating current is used mostly.

At present, many families have household electric hair clippers which can cut hair daily. The household electric hair clipper mainly comprises a shield and a blade structure, and hair can be cut off when entering the blade from the shield, so that the distance between the surface of the shield and the blade is defined as a hair cutting distance, the larger the hair cutting distance is, the longer the cut hair is, and the shorter the hair is.

Because the hair cutting level of many home users is not as professional as a hairdresser, when the home users use the electric hair clipper, the hair of some parts is too long to be cut again; however, if the local hair scissors are too short due to misoperation, the hair style is not beautiful. In response to this situation, it is necessary to incorporate an adjustment device in the electric hair clipper, which can adjust the cutting distance.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an adjusting device of a vortex line gear, wherein a knob is turned by hands, the knob drives a turntable, the turntable drives a connecting block, and finally, the adjustment of the hair cutting distance is realized through the displacement of the connecting block so as to meet the control requirement of a user on the hair cutting length.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the adjusting device of the vortex line gear comprises a knob, a rotary table and a connecting block, wherein the knob can drive the rotary table to rotate, the rotary table is provided with a driving groove, the driving groove is of a vortex involute structure, the connecting block is provided with a driving column located in the driving groove, and the connecting block and the driving column are enabled to generate displacement through rotation of the knob, the rotary table and the driving groove.

As a further improvement of the utility model: the fuselage be equipped with the slide, the both sides of connecting block be equipped with the slider that is located the slide. Therefore, both sides of the connecting block can only move linearly along the slide way.

As a further improvement of the utility model: still include fuselage and cutting group, the connecting block be connected with cutting group. The cutting group is a device where hair is directly contacted and cut.

As a further improvement of the utility model: the cutting group is provided with a protective cover and a cutter holder, the cutter holder is provided with a fixed blade, a movable blade and a motor for driving the movable blade to move, the motor is provided with a connecting rod capable of eccentrically rotating, and the movable blade is provided with a moving groove clamped with the connecting rod. The tool apron and the fixed blade are fixed, when a connecting rod of the motor eccentrically rotates, the movable blade is driven by the connecting rod to swing, and then the movable blade can cut hair; the hair penetrates into the shield and is cut when the hair end part of the hair touches the movable blade jointed with the fixed blade.

As a further improvement of the utility model: the guard shield be equipped with the fixed slot, slider and fixed slot joint.

As a further improvement of the utility model: the sliding block is fixedly connected with the tool apron.

As a further improvement of the utility model: the fixed support that is equipped with of fuselage, the support be equipped with and change the hole, the carousel be equipped with the pivot, pivot and commentaries on classics hole cup joint. The rotating shaft of the rotating disc can rotate around the rotating hole of the bracket.

As a further improvement of the utility model: the fixed gear piece that is equipped with of fuselage, the gear piece be equipped with the gear boss, the knob be equipped with a plurality of gear grooves, gear boss and one of them gear groove joint. After the gear groove of the knob is clamped into the gear boss of the gear piece, the position of the knob is locked; when the knob is rotated once more, the position of the connecting block is changed, so that the hair cutting distance is changed, and the gear boss and the gear groove structure play the roles of multi-gear adjustment and multi-gear limitation.

As a further improvement of the utility model: the rotary disc is provided with a first gear, the knob is provided with a second gear, and the first gear is meshed with the second gear. The transmission structure of gear engagement has small resistance and good transmission performance.

As a further improvement of the utility model: the rotation planes of the first gear and the second gear are mutually vertical. The dial achieves a 90 degree turn relative to the plane of rotation of the knob, and then transfers the movement of the dial to the connecting block.

The utility model has the advantages of reasonable structural design, good structural universality and convenient operation for users. The method comprises the following steps: the knob is turned by hand to drive the turntable to rotate, the drive groove of the turntable is of a vortex involute structure, the vortex involute structure is generally of an involute principle, a round shaft is fixed on a plane, a wire is wound on the shaft, a wire head is tensioned, the wire moves around the round shaft and is always tangent to the round shaft, and then the track of a fixed point on the wire on the plane is an involute. The adjusting device is obtained by the involute principle, when the turntable rotates, the driving groove can drive the driving column to displace, so that the connecting block also correspondingly moves, and the connecting block can drive the position change of a shield or a blade of the electric hair clipper (which indicates that the adjusting device has good universality), so that the movement of the connecting block can adjust the hair cutting distance.

Drawings

FIG. 1 is an exploded view of the back view of the present invention;

FIG. 2 is a combination of rear view angles of the present invention;

FIG. 3 is an exploded view of the front view of the present invention;

FIG. 4 is an exploded view of the knob, dial, connecting block, and associated parts;

FIG. 5 is a schematic cross-sectional view from the front view of the present invention;

FIG. 6 is a schematic diagram of a portion of a first embodiment of the present invention;

fig. 7 is a schematic view of a part of the second embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1-7: the utility model provides an adjusting device of vortex line gear, includes knob 2, carousel 3, connecting block 4, and knob 2 can drive carousel 3 rotatory, and carousel 3 is equipped with drive groove 31, and drive groove 31 is vortex involute structure, and connecting block 4 is equipped with the drive column 41 that is located drive groove 31, rotates through knob 2, carousel 3, drive groove 31 and makes connecting block 4, drive column 41 produce the displacement.

The body 10 is provided with a slideway 11, and two sides of the connecting block 4 are provided with sliding blocks 42 positioned in the slideway 11.

The device also comprises a machine body 10 and a cutting group 30, and the connecting block 4 is connected with the cutting group 30.

The cutting group 30 is provided with a protective cover 6 and a tool apron 7, the tool apron 7 is provided with a fixed blade 71, a movable blade 8 and a motor 9 for driving the movable blade 8 to move, the motor 9 is provided with a connecting rod 91 capable of eccentrically rotating, and the movable blade 8 is provided with a moving groove 81 clamped with the connecting rod 91

The frame 10 is fixedly provided with a support 5, the support 5 is provided with a rotary hole 51, the rotary disc 3 is provided with a rotary shaft 32, and the rotary shaft 32 is sleeved with the rotary hole 51.

The fuselage 10 is fixed to be equipped with gear piece 1, and gear piece 1 is equipped with gear boss 12, and knob 2 is equipped with a plurality of gear grooves 21, and gear boss 12 and one of them gear groove 21 joint.

The rotary disc 3 is provided with a first gear 33, the knob 2 is provided with a second gear 22, and the first gear 33 and the second gear 22 are meshed with each other.

The planes of rotation of the first gear 33 and the second gear 22 are perpendicular to each other.

As shown in fig. 6, the electric hair clipper comprises a body 10 and a cutting group 30, wherein the cutting group 30 mainly comprises a shield 6, a tool post 7, a fixed blade 71 and a movable blade 8, the body 10 is provided with an adjusting device 20 capable of adjusting the hair cutting distance, and the adjusting device 20 comprises a knob 2, a rotary table 3 and a connecting block 4. The case is characterized in that: the protective cover 6 is provided with a fixing groove 61, and the sliding block 42 is clamped with the fixing groove 61, so that the protective cover 6 and the connecting block 4 are fixedly connected together; the knob 2 is dialed by hand, the knob 2 drives the rotary table 3 to rotate, the rotary table 3 drives the connecting block 4 to move linearly, the connecting block 4 drives the protective cover 6 to move (the three parts of the tool apron 7, the fixed blade 71 and the movable blade 8 are fixed in position), so the hair cutting distance of the protective cover 6 and the tool apron 7, the fixed blade 71 and the movable blade 8 is increased or decreased, and thus, when a family user uses electric hair clippers to cut hair, different hair cutting distances can be adopted at different hair cutting positions, and the situation that the hair clippers are too short is avoided.

As shown in fig. 7, the parts used in the second embodiment are identical to those used in the first embodiment, and the differences are: the sliding block 42 is fixedly connected with the tool apron 7, so that the tool apron 7 is fixedly connected with the connecting block 4 (at the moment, the shield 6 is not fixedly connected with the connecting block 4); when the connecting block 4 moves linearly, the cutter holder 7, the fixed blade 71 and the movable blade 8 are driven to move (and the position of the protective cover 6 is fixed), so that the hair cutting distance between the protective cover 6 and the cutter holder 7, the fixed blade 71 and the movable blade 8 is increased or decreased, and a user can adjust the hair cutting distance.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The adjusting device of the vortex line gear is characterized by comprising a knob, a rotary table and a connecting block, wherein the knob can drive the rotary table to rotate, the rotary table is provided with a driving groove, the driving groove is of a vortex involute structure, the connecting block is provided with a driving column located in the driving groove, and the connecting block and the driving column are enabled to generate displacement through rotation of the knob, the rotary table and the driving groove.

2. A swirl gear adjusting device according to claim 1, further comprising a body, wherein the body is provided with a slideway, and two sides of the connecting block are provided with sliding blocks positioned in the slideway.

3. A swirl wire gear adjustment device according to claim 2, further comprising a cutting block, the connecting block being connected to the cutting block.

4. A spiral gear adjusting device as claimed in claim 3, wherein the cutting group is provided with a shield and a cutter holder, the cutter holder is provided with a fixed blade, a movable blade and a motor for driving the movable blade to move, the motor is provided with a connecting rod capable of eccentrically rotating, and the movable blade is provided with a moving groove clamped with the connecting rod.

5. A swirl gear adjustment device according to claim 4, characterised in that the shroud is provided with a retaining groove, the slide engaging with the retaining groove.

6. A device as claimed in claim 4, wherein the slider is fixedly connected to the seat.

7. A swirl gear adjusting device according to claim 3, characterised in that a bracket is fixedly arranged on the body, the bracket is provided with a rotary hole, the rotary plate is provided with a rotary shaft, and the rotary shaft is sleeved with the rotary hole.

8. The adjusting device of a vortex line gear according to claim 3, characterized in that the body is fixedly provided with a shift piece, the shift piece is provided with a shift boss, the knob is provided with a plurality of shift grooves, and the shift boss is clamped with one of the shift grooves.

9. A swirl gear adjustment device according to claim 1, characterised in that the dial is provided with a first gear and the knob is provided with a second gear, the first and second gears being in mesh with each other.

10. A swirl gear adjustment device according to claim 9, characterised in that the planes of rotation of the first and second gears are perpendicular to each other.