CN114290383B - Reciprocating hair trimmer tool bit - Google Patents
Reciprocating hair trimmer tool bit Download PDFInfo
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- CN114290383B CN114290383B CN202111628494.4A CN202111628494A CN114290383B CN 114290383 B CN114290383 B CN 114290383B CN 202111628494 A CN202111628494 A CN 202111628494A CN 114290383 B CN114290383 B CN 114290383B
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- 238000009966 trimming Methods 0.000 claims abstract description 30
- 230000004888 barrier function Effects 0.000 claims description 68
- 230000007246 mechanism Effects 0.000 claims description 15
- 238000005520 cutting process Methods 0.000 claims description 10
- 230000001788 irregular Effects 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 7
- 208000003443 Unconsciousness Diseases 0.000 claims 2
- 239000002893 slag Substances 0.000 description 8
- 206010024796 Logorrhoea Diseases 0.000 description 4
- 206010044625 Trichorrhexis Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 241000244269 Peucedanum Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000013138 pruning Methods 0.000 description 1
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Abstract
The invention discloses a tool bit of a reciprocating hair trimmer, which comprises an annular stationary knife (1); an annular movable knife (2); the upper part of the collet (4) is provided with the annular fixed knife (1) and the annular movable knife (2) and forms a hair trimming structure which is horizontally distributed up and down, wherein the inner ring of the annular fixed knife (1) and the inner ring of the annular movable knife (2) are covered by components; an annular broken hair collecting chamber (411); and a broken hair falling structure, wherein the central line of the broken hair collecting cavity (411) is overlapped with the central line of the inner ring of the annular movable knife (2), and the projection of the inner ring and the outer ring of the hair trimming structure, which rotates the trimming ring, on the cross section of the upper opening of the annular broken hair collecting cavity (411), is between the inner ring and the outer ring of the annular broken hair collecting cavity. Broken hair accumulated in the cutter head can automatically fall out, and the cutter head is not easy to be blocked by the broken hair.
Description
Technical Field
The present invention relates to a reciprocating hair trimmer cutter head.
Background
Applicant has proposed a reciprocating hair trimmer head on month 12 of 2020, publication No.: CN 112571459a, the description of which is taken from fig. 1 and fig. 2, and the description of which is taken from fig. 3a and fig. 4a, are repeated for a clearer understanding of the technical solution of the reciprocating hair trimmer head, and secondly, in connection with the technical solution disclosed therein, the broken hair to be trimmed needs to be manually poured out from a plurality of circumferential empty areas (identified by K in fig. 3a and fig. 4 a) formed between the annular base (113) and the annular blade (114), which would otherwise accumulate and clog in the trimmer head, reducing the effect of the trimmer head on trimming hair.
Further, the applicant has searched for and analyzed the structure of the conventional reciprocating hair trimmer head, and has found that it is troublesome to take the cut broken hair in the trimmer head, and that clogging is likely to accumulate in the trimmer head when the broken hair is not taken out, resulting in a situation that the effect of the trimmer head on trimming hair is reduced as the length of time of use is increased.
Therefore, how to solve the problem that broken hair in the cutter head of a reciprocating hair trimmer is easy to take out and avoid the broken hair from being blocked is an unsolved technical problem.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the cutter head of the reciprocating hair trimmer, broken hair in the cutter head can automatically drop out, and the cutter head is not easy to block.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a reciprocating hair trimmer cutter head comprising an annular stationary cutter; an annular movable knife which rotates in a forward and reverse horizontal reciprocating manner by taking the central line of the inner ring as a rotation line; the upper part of the collet is provided with the annular fixed knife and the annular movable knife in a superposition way of the central line of the inner ring and forms a hair trimming structure which is horizontally distributed up and down, wherein the inner ring of the annular fixed knife and the inner ring of the annular movable knife are covered by components; an annular broken hair collecting cavity in the collet is formed by sinking an opening at the upper part of the collet; the broken hair falling structure is formed on the peripheral wall of the collet and communicated with the annular broken hair collecting cavity to form an upper receiving side peripheral falling structure; wherein, the central line of annular broken hair collection shape chamber coincides with the inner ring central line of annular movable knife, and the projection of the inner and outer circle rotation trimming circle of hair trimming structure on the upper portion opening cross section of annular broken hair collection shape chamber is between its inner circle and outer circle.
Further, a movable cutter rotating disc which is horizontally arranged in the bottom support and is driven to reciprocate positively and negatively and horizontally is provided with the annular movable cutter which moves synchronously with the movable cutter after being assembled; the annular stationary knife body is provided with a fixed plug-in fixing piece, the plug-in fixing piece downwards penetrates through the annular movable knife and the movable knife rotating disc, then is fixedly plugged into the bottom support, and is in circumferential rotation fit with the annular movable knife and the movable knife rotating disc, and an inner ring and outer ring trimming blade of the annular stationary knife and an inner ring and outer ring trimming blade of the annular movable knife are flatly matched after the plug-in fixing piece and the bottom support are fixedly plugged into each other, so that an inner ring and outer ring rotating trimming ring of the hair trimming structure is formed.
Further, arc-shaped hollow grooves which are distributed at equal intervals on the circular track with the center of the inner ring as the center are formed in the body of the annular movable cutter, the arc openings of the arc-shaped hollow grooves face the center of the inner ring of the annular movable cutter, arc-shaped through grooves which are in one-to-one correspondence with the arc-shaped hollow grooves are formed in the body of the movable cutter rotating disc, and the arc openings of the arc-shaped through grooves face the center of the inner ring of the movable cutter rotating disc; the pair of arc-shaped hollow grooves and the arc-shaped through grooves allow one plug-in fixing piece to correspondingly penetrate through, wherein the sections of the plug-in fixing pieces penetrating through the arc-shaped hollow grooves and the arc-shaped through grooves are arc-shaped and are in circumferential rotation fit with the arc-shaped hollow grooves and the arc-shaped through grooves.
Further, the swinging mechanism is positioned on the bottom support of the inner ring of the annular broken hair collecting cavity and drives the movable cutter rotating disc to horizontally rotate forwards and backwards in a reciprocating manner;
further, the inner ring of the annular broken hair collecting cavity is formed by the periphery of a surrounding baffle extending upwards from the cavity bottom of the annular broken hair collecting cavity, the upper part of the surrounding baffle is used for bearing the moving knife rotating disc to horizontally mount the annular moving knife, and two sides of the opening of the surrounding baffle are contacted with the swinging mechanism to form a lower part to prop against so as to limit the maximum horizontal rotating angle of the swinging mechanism.
Further, the part covering the inner ring of the annular fixed knife and the inner ring of the annular movable knife is an inner ring cover body, and the inner ring cover body comprises a circular cover body, a positioning column, a first barrier strip, a second barrier strip, a third barrier strip and two inner ring cover cutting strips; the circular cover body covers the inner ring of the annular fixed knife and the inner ring of the annular movable knife, the front surface of the circular cover body is a skin contact surface, the upper end of the positioning column is connected with the center of the back surface of the circular cover body, and the lower end of the positioning column penetrates through the inner ring of the annular fixed knife and the inner ring of the annular movable knife; the two inner ring cover cuttings are symmetrically arranged on the outer edge of the back surface of the circular cover body by taking the center of the circular cover body as the center of a circle, and are inserted and fixed with the enclosing shield; the first barrier strips, the second barrier strips and the third barrier strips are distributed at intervals along the outer edge of the back surface of the circular cover body along a circumferential track taking the center of the circular cover body as the center of the circle, wherein the first barrier strips and the second barrier strips are mutually symmetrical, and the third barrier strips are respectively equal in distance from the first barrier strips and the second barrier strips; the first barrier strip, the second barrier strip and the third barrier strip correspondingly contact with the movable cutter rotating disc to form upper part propping against to limit the maximum horizontal rotating angle of the movable cutter rotating disc.
Further, the movable cutter rotating disc comprises a rotating disc body, three umbrella-shaped hollow areas and a rotating disc positioning hole; the three umbrella-shaped hollow areas are arranged on the rotating disc body along a circumferential track taking the rotating axis of the moving blade rotating disc as the center, and the turntable positioning hole is arranged at the rotating center of the moving blade rotating disc and used for the upper end of the positioning column to pass through; a limiting structure for circumferential limiting by insertion is arranged between the rotating disc body and the annular moving blade; the rotating disc body between the adjacent umbrella-shaped hollow areas is a moving blade rotating disc framework, and the first barrier strip, the second barrier strip, the third barrier strip and the two inner ring cover cutting correspondingly penetrate through the umbrella-shaped hollow areas; one movable cutter rotating disc framework moves between the third barrier strip and the inner ring cover cutting on one side of the third barrier strip, one movable cutter rotating disc framework moves between the third barrier strip and the inner ring cover cutting on the other side of the third barrier strip, one movable cutter rotating disc framework moves between the first barrier strip and the second barrier strip, and the movable cutter rotating disc framework is abutted by the inner ring cover cutting or the third barrier strip to realize the maximum horizontal rotating angle of the brake-limiting cutter rotating disc.
Further, the swinging mechanism comprises a fixed shaft extending towards the upper opening of the bottom support and a swinging block horizontally matched with the fixed shaft in a rotating way; one end of the swinging block is provided with a power sending section outside the opening of the enclosure, the power sending section pushes the movable cutter rotating disc to horizontally and positively reciprocate, and the other end of the swinging block is arranged inside the opening of the enclosure and is forked into two spaced power receiving ends.
Further, the upper part of the annular stationary knife body between the inner ring and the outer ring of the annular stationary knife is a skin contact part, and the skin contact part is an outer ring skin contact part and an inner ring skin contact part; the skin contact part of the outer ring is formed by the transition from the outer ring to the inner ring in a smooth or gradient or irregular path in the direction of exceeding the plane where the outer ring is located according to the slope angle R1, and the skin contact part of the inner ring is formed by the transition from the inner ring to the inner ring in a smooth or gradient or irregular path according to the slope angle R2; the intersection of the skin contact part of the inner ring and the skin contact part of the outer ring is higher than the horizontal plane of the inner ring and the outer ring of the annular stationary knife, and the two are intersected to form a diversion angle.
Further, the outer ring skin contact part is provided with a plurality of outer shaving residue guide grooves which are distributed at intervals and extend from the intersection of the inner ring skin contact part and the outer ring skin contact part towards the outer ring of the annular stationary knife, the outer ends of the outer shaving residue guide grooves are adjacent to but not contacted with the outer stationary tooth mouth of the annular stationary knife, the track line of the outer shaving residue guide grooves is not intersected with the first adjacent outer stationary tooth mouth of the outer shaving residue guide grooves, is intersected with the second adjacent outer stationary tooth mouth of the outer shaving residue guide grooves or is intersected with the third adjacent outer stationary tooth mouth of the outer shaving residue guide grooves; the outer beard slag guide groove is an arc-shaped groove with arc-shaped groove track, and the arc opening of each arc-shaped groove is distributed clockwise along with the circumference; the inner ring skin contact part is provided with a plurality of inner shaving slag guide grooves which are distributed at intervals and extend from the intersection of the inner ring skin contact part and the outer ring skin contact part towards the inner ring of the annular fixed cutter, the inner ends of the inner shaving slag guide grooves are adjacent to but do not contact with the inner tooth openings of the annular fixed cutter, the track line of the inner shaving slag guide grooves is not intersected with the inner tooth openings of the first adjacent inner tooth openings, and is intersected with the inner tooth openings of the second adjacent inner tooth openings or is intersected with the inner tooth openings of the third adjacent inner tooth openings; the inner beard slag guide grooves are arc-shaped grooves with arc-shaped groove tracks, the arc opening directions of each arc-shaped groove are distributed anticlockwise along with the circumference, and the inner beard slag guide grooves are mutually connected with the outer beard slag guide grooves in a one-to-one correspondence manner.
By adopting the structural design, compared with the prior art, the device has the following advantages:
in this design, the annular stationary knife of rational structure and the annular movable knife of reciprocal horizontal rotation are assembled at the collet of specific shape rationally, reach the purpose that the hair pruning structure formed, and the collet reaches the garrulous hair through its annular garrulous hair collection shape chamber to through garrulous hair falling out the structure and fall out, whole link has solved the technological problem that the garrulous hair is blockked up easily in the tool bit.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is an exploded view of fig. 1.
Fig. 3 is an exploded view of fig. 1 at another view angle.
Fig. 3a is a drawing of a solution according to the background art.
Fig. 4a is another drawing of a solution according to the background art.
Fig. 4 is a perspective view of the present invention with the annular stationary knife and annular moving knife removed.
Fig. 5 is an exploded view of fig. 4.
Fig. 6 is a schematic plan view of the present invention.
Fig. 7 is a view of fig. 6 A-A.
Fig. 8 is a view of fig. 6B-B.
Fig. 9 is a view of fig. 6C-C.
Fig. 10 is a schematic plan view of another view of the present invention.
Fig. 11 is a view of fig. 10 A-A.
Fig. 12 is a view of fig. 10B-B.
FIG. 13 is a schematic view of the present invention with the shoe removed.
Fig. 14 is a schematic view of the construction of the shoe of the present invention after assembly with the swing mechanism.
Fig. 15 is a schematic plan view of fig. 14.
Fig. 16 is a schematic plan view of the annular stationary knife of the present invention.
Fig. 17 is a schematic view of fig. 16 A-A.
The figure shows: 1. an annular fixed cutter; 111. inner ring setting teeth; 112. outer ring gear; 113. a fixing piece is inserted; 114. an inner ring skin contact portion; 115. an outer ring skin contact portion; 116. a beard residue guiding groove; 117. a peucedanum slag guiding groove; 2. an annular blade; 211. inner ring movable teeth; 212. an outer ring moving tooth; 213. arc-shaped hollow grooves; 214. a ring cavity; 3. a moving blade rotating disc; 311. rotating the disc body; 312. umbrella-shaped hollow areas; 313. a turntable positioning hole; 314. a movable cutter rotating disc framework; 315. An arc-shaped through groove; 316. a clamping block; 4. a bottom support; 411. an annular broken hair collecting cavity; 412. a surrounding baffle; 413. a hook; 414. the broken hair falls out of the grille; 415. a fence opening; 416. a front radian board is enclosed; 417. the right side plate is enclosed; 418. The left side plate is enclosed; 419. a right folded plate; 420. a left folded plate; 5. a fixed knife inner ring cover body; 511. a circular cap body; 512. positioning columns; 513. an inner ring cover cutting; 611. a first barrier strip; 612. a second barrier strip; 613. a third barrier strip; 7. a swinging mechanism; 711. a fixed shaft; 712. a swinging block; 713. a power-generating section; 714. and a power receiving end.
Detailed Description
The invention will now be described in further detail by way of specific examples of embodiments in connection with the accompanying drawings.
Example 1
Fig. 1 is a perspective view of the present invention, fig. 2 is an exploded view of fig. 1, fig. 3 is an exploded view of fig. 1 at another view angle, fig. 4 is a perspective view of the present invention with a ring-shaped stationary blade and a ring-shaped movable blade removed, fig. 5 is an exploded view of fig. 4, fig. 6 is a schematic view of a plane structure of the present invention, fig. 7 is a view of fig. 6A-A, fig. 8 is a view of fig. 6B-B, fig. 9 is a view of fig. 6C-C, fig. 10 is a schematic view of a plane structure of another view angle of the present invention, fig. 11 is a view of fig. 10A-A, fig. 12 is a schematic view of fig. 10B-B, fig. 13 is a schematic view of a structure with a base removed, fig. 14 is a schematic view of a structure with a swing mechanism assembled together, and fig. 15 is a schematic view of a plane structure of fig. 14. Fig. 16 is a schematic plan view of the annular stationary knife of the present invention. Fig. 17 is a schematic view of fig. 16 A-A.
The present embodiment discloses a reciprocating hair trimmer cutter head, as shown in fig. 1-17, comprising an annular fixed cutter 1, an annular movable cutter 2, a movable cutter rotating disc 3, a base 4, an inner annular cover body 5 and a swinging mechanism 7.
The inner ring of the annular fixed cutter 1 body is an inner ring fixed tooth 111, and the outer ring is an outer ring fixed tooth 112; the annular stationary knife 1 body is an annular body with an inverted V-shaped cross section, the upper part of the annular stationary knife 1 body between the inner ring of the annular stationary knife 1 and the outer ring thereof is a skin contact part, the skin contact part is an outer ring skin contact part 115 and an inner ring skin contact part 114, the outer ring skin contact part 115 is formed by the transition from the outer ring to the inner ring in a smooth or gradient or irregular path according to the direction that the slope angle R1 exceeds the plane where the outer ring is located, and the inner ring skin contact part 114 is formed by the transition from the inner ring to the inner ring in a smooth or gradient or irregular path according to the slope angle R2; the intersection of the inner ring skin contact part 114 and the outer ring skin contact part 115 is higher than the horizontal plane of the inner ring and the outer ring of the annular stationary knife, and the two parts are intersected to form a diversion angle; after the outer ring skin contact part 115 and the inner ring skin contact part 114 contact/press the skin, the beard or hair on the skin of the human body can be better split and branched, so that the outer ring fixed teeth 112 and the inner ring fixed teeth 111 are closer to the beard or hair of the human body, the outer ring skin contact part 115 is provided with a plurality of outer shaving residue guide grooves 116 which are distributed at intervals and extend from the intersection of the inner ring skin contact part 114 and the outer ring skin contact part 115 towards the outer ring of the annular fixed knife, the outer ends of the outer shaving residue guide grooves 116 are adjacent to but do not contact with the outer fixed teeth mouth of the annular fixed knife, and the track line of the outer shaving residue guide grooves 116 is not intersected with the outer fixed teeth mouth adjacent to the first outer fixed teeth mouth adjacent to the second fixed teeth mouth or is intersected with the outer fixed teeth mouth adjacent to the third fixed teeth mouth; the beard guiding groove 116 is an arc-shaped groove with arc-shaped groove track, and the arc opening of each arc-shaped groove is distributed clockwise along the circumference; the inner ring skin contact part 114 is provided with a plurality of inner shaving residue guide grooves 117 which are distributed at intervals and extend from the intersection of the inner ring skin contact part 114 and the outer ring skin contact part 115 towards the inner ring of the annular stationary knife, the inner ends of the inner shaving residue guide grooves 117 are adjacent to but do not contact with the inner tooth openings of the annular stationary knife, the track line of the inner shaving residue guide grooves 117 is not intersected with the first adjacent inner tooth opening, is intersected with the second adjacent inner tooth opening or is intersected with the third adjacent inner tooth opening; the inner beard guide grooves 117 are arc-shaped grooves with arc-shaped groove tracks, the arc opening directions of each arc-shaped groove are distributed anticlockwise along the circumference, and the inner beard guide grooves 117 and the outer beard guide grooves 116 are mutually connected in a one-to-one correspondence. The lower part of the body of the inserting fixing piece 113 is provided with three inserting fixing pieces 113, the three inserting fixing pieces 113 are circumferentially distributed by taking the central line of the inner ring of the body of the annular fixed knife 1 as an axis, one end of the inserting fixing piece 113 far away from the body of the annular fixed knife 1 is provided with a jack structure, the central lines of the jack structures of the three inserting fixing pieces 113 are on the same plane, and the intersection point of the central lines of the jack structures of the three inserting fixing pieces 113 is located on the central line of the inner ring of the body of the annular fixed knife 1.
The shape and the size of the annular moving knife 2 are matched with those of the annular fixed knife 1, the inner ring of the annular moving knife 2 body is provided with inner ring moving teeth 211, the outer ring of the annular moving knife 2 body is provided with outer ring moving teeth 212, the middle of the annular moving knife is provided with a body with an annular cavity 214 with a flat bottom surface due to sinking of the integral structure, the projection of the cross section of the cavity bottom of the annular cavity 214 on the cross section of the cavity opening of the annular cavity 214 is provided with three arc-shaped hollow grooves 213 which are distributed at equal intervals along the circumferential track taking the center of the inner ring of the annular moving knife 2 as a round point.
The movable cutter rotating disc 3 comprises a rotating disc body 311, three umbrella-shaped hollow areas 312 and a turntable positioning hole 313; the three umbrella-shaped hollow areas 312 are arranged on the rotary disc body 311 along a circumferential track taking the rotary center of the rotary disc 3 as the axis, the rotary disc body 311 between the adjacent umbrella-shaped hollow areas 312 is a rotary disc skeleton 314 of the rotary disc, the rotary disc positioning holes 313 are arranged at the rotary center of the rotary disc 3 of the rotary disc, and the outer ring body of the rotary disc body 311 is provided with arc-shaped through grooves 315 with the same number and shape as the arc-shaped hollow grooves 213. In this embodiment, the circumferentially distributed protruding blocks of the rotating disc body 311 pass through the circumferential holes on the body of the annular moving blade 2, the middle of the specific annular moving blade 2 body is a ring cavity 214 with a flat bottom surface due to sinking of the integral structure, the circumferentially distributed protruding blocks of the rotating disc body 311 pass through the circumferential holes at the bottom of the cavity 214, and the circumferentially distributed protruding blocks of the rotating disc body 311 are not higher than the cavity surface of the ring cavity 214, so that: and the driven movable cutter rotating disc 3 which is driven to reciprocate horizontally and synchronously moves with the movable cutter rotating disc. The lower part of the movable cutter rotating disc 3 is provided with two spaced clamping blocks 316.
The bottom support 4 is provided with an upper opening, the bottom support 4 is internally provided with an annular broken hair collecting cavity 411, the annular broken hair collecting cavity 411 is formed by sinking the upper opening of the bottom support 4, the inner ring of the annular broken hair collecting cavity 411 is formed by the periphery of a surrounding baffle 412 extending upwards from the bottom of the annular broken hair collecting cavity 411, three through jacks are arranged in the annular broken hair collecting cavity 411 at the outer ring of the surrounding baffle 412, hooks 413 are arranged at the edge of each jack, the distribution track of the three hooks 413 is identical with the distribution track of the three inserting fixing pieces 113, the annular fixed knife 1 is fixed with the bottom support 4 in an inserting manner through the jack structures of the three inserting fixing pieces 113 of the annular fixed knife 1 and the three hooks 413. The upper part of the baffle 412 is connected with the movable knife rotating disc 3 to horizontally mount the annular movable knife 2, the side part of the baffle 412 is provided with a baffle opening 415 from top to bottom, the structures on two sides of the baffle opening 415 are bilaterally symmetrical, the front side of the baffle opening 415 is provided with a baffle front radian plate 416 with an inward arc opening, the left side and the right side are respectively provided with a baffle right side plate 417 and a baffle left side plate 418 which are connected with two ends of the baffle front radian plate 416, corresponding openings are formed in the baffle right side plate 417 and the baffle left side plate 418, the center lines of the openings of the two openings coincide, the ends of the baffle right side plate 417 and the baffle left side plate 418 which are far away from the baffle front radian plate 416 are respectively provided with a right flap and a left flap 420, the periphery of the bottom support 4 is provided with a hair breakage falling structure, the hair falling structure is provided with a plurality of hair breakage falling grids 414, the hair falling grids 414 are distributed on the periphery wall of the bottom support 4 at intervals, broken hair collected in the annular hair collecting cavity 411 falls through the hair falling grids 414, the broken hair falling down through the hair falling grids 414, the annular hair collecting cavity is gradually pressed down to the annular hair collecting cavity 411 by the annular air flow, the annular hair falling cavity is formed by the annular hair collecting cavity 2, the annular hair falling cavity collecting cavity is gradually pressed down in the annular hair collecting cavity 2, and the annular hair collecting cavity is gradually pressed down by the annular hair falling cavity collecting cavity is formed by the annular hair collecting cavity 2.
An inner ring cover 5 as a member covering the inner ring of the annular stationary blade 1 and the inner ring of the annular movable blade 2, the inner ring cover 5 including a circular cover body 511, a positioning column 512, a first barrier rib 611, a second barrier rib 612, a third barrier rib 613, and two inner ring cover inserts 513; the circular cover body 511 covers the inner ring of the annular fixed knife 1 and the inner ring of the annular movable knife 2, the front surface of the circular cover body 511 is a skin contact surface, the upper end of the positioning column 512 is connected with the center of the back surface of the circular cover body 511, and the lower end of the positioning column passes through the inner ring of the annular fixed knife 1 and the inner ring of the annular movable knife 2; the two inner ring cover inserts 513 are symmetrically arranged on the outer edge of the back surface of the circular cover body 511 by taking the center of the circular cover body 511 as a circle center, and are inserted and fixed with the enclosing shield 412; the first barrier rib 611, the second barrier rib 612 and the third barrier rib 613 are distributed on the outer edge of the back surface of the circular cover body 511 at intervals along a circumferential track taking the center of the circular cover body 511 as a circle center, wherein the first barrier rib 611 and the second barrier rib 612 are symmetrical, and the distance between the third barrier rib 613 and the first barrier rib 611 and the second barrier rib 612 is equal; the first barrier rib 611, the second barrier rib 612 and the third barrier rib 613 are correspondingly contacted with the movable cutter rotating disc 3 to form upper propped against to limit the maximum horizontal rotating angle of the movable cutter rotating disc 3.
A swinging mechanism 7, wherein the swinging mechanism 7 comprises a fixed shaft 711 extending towards the upper opening of the bottom support 4 and a swinging block 712 horizontally and rotatably matched with the fixed shaft 711; one end of the swing block 712 is provided with a power emitting section 713 outside the opening of the enclosure 412, the power emitting section 713 pushes the movable blade rotating disk 3 to horizontally reciprocate forward and backward, and the other end is provided in the inside of the opening of the enclosure 412 and is bifurcated into two spaced power receiving ends 714.
The tool bit assembly process is as follows: the swinging block 712 is smoothly inserted into the fixed shaft 711 to be in a rotating fit, the swinging block 712 is forked into two spaced power receiving ends 714 in the enclosure 412, the power transmitting section 713 passes through the outside of the enclosure opening 415, the moving blade rotating disc 3 is horizontally arranged on the enclosure 412, the position of the moving blade rotating disc 3 is adjusted until the rotation axis of the moving blade rotating disc 3 coincides with the center line of the annular broken hair collecting cavity 411, at the moment, two spaced clamping blocks 316 at the lower part of the moving blade rotating disc 3 are clamped in the power transmitting section 713, that is, the horizontal swinging of the swinging block 712 drives the moving blade rotating disc 3 to rotate circumferentially, the swinging block 712 swings left and right between the right folded plate 419 and the left folded plate 420 at the enclosure opening 415 and is clamped by the right folded plate 419 and the left folded plate 420, the moving blade rotating disc 3 is assembled on the moving blade rotating disc 3, the positioning column 512 of the inner ring cover body 5 penetrates into the turntable positioning hole 313, the first barrier strip 611, the second barrier strip 612, the third barrier strip 613 and the two inner ring cover inserting strips 513 correspondingly penetrate through the umbrella-shaped hollowed-out area 312, the two inner ring cover inserting strips 513 are respectively inserted and fixed with openings on the right enclosing side plate 417 and the left enclosing side plate 418, one movable cutter rotating disc framework 314 moves between the third barrier strip 613 and the inner ring cover inserting strip 513 on one side of the third barrier strip 613, one movable cutter rotating disc framework 314 moves between the third barrier strip 613 and the inner ring cover inserting strip 513 on the other side of the third barrier strip 613, one movable cutter rotating disc framework 314 moves between the first barrier strip 611 and the second barrier strip 612, and the movable cutter rotating disc framework 314 is abutted by the inner ring cover inserting strip 513 or the third barrier strip 613 to realize the maximum horizontal rotating angle of the limited brake cutter rotating disc 3. The annular movable cutter 2 is arranged on the rotating disc body 311, and the circumferential limit is achieved by virtue of a limit structure between the rotating disc body 311 and the annular movable cutter 2, so that the annular movable cutter 2 rotates along with the rotation of the rotating disc body 311, and after the annular movable cutter 2 is assembled with the rotating disc body 311, the arc-shaped hollow grooves 213 are in one-to-one correspondence with the arc-shaped through grooves 315 and are overlapped and communicated; the inserting fixing piece 113 of the annular fixed knife 1 correspondingly penetrates through the arc-shaped hollow groove 213 and the arc-shaped through groove 315 to be inserted and fixed with the hook 413, after the inner and outer ring trimming blades of the annular fixed knife 1 and the inner and outer ring trimming blades of the annular movable knife 2 are in flat fit after the two are inserted and fixed, the inner and outer ring rotating trimming rings of the hair trimming structure are formed, the projection of the inner and outer ring rotating trimming rings of the hair trimming structure on the upper opening cross section of the annular broken hair collecting cavity 411 is between the inner ring and the outer ring of the hair trimming structure, the outer ring rotating trimming ring of the hair trimming structure is marked with Q2 in fig. 7, the inner ring rotating trimming ring of the hair trimming structure is marked with Q1 in fig. 7, and the outer ring on the upper opening cross section of the annular broken hair collecting cavity 411 is marked with Q2. The center line of the annular broken hair collecting chamber 411 coincides with the rotation axis of the annular movable blade 2.
Example two
In this embodiment a reciprocating hair trimmer is disclosed, consisting of a reciprocating hair trimmer head as shown in embodiment 1 and a body adapted to the head, the body being provided with an associated collecting box for collecting broken hair falling out of the trimmer head.
The foregoing is illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The invention is not limited to the above embodiments, but various changes within the protective scope of the independent claims are possible within the protective scope of the invention.
Claims (9)
1. A tool bit of a reciprocating hair trimmer,
it comprises an annular stationary knife (1); an annular movable knife (2) which rotates in a forward and reverse horizontal reciprocating way by taking the central line of the inner ring as a rotation line; the upper part of the collet (4) with the upper opening is provided with the annular fixed knife (1) and the annular movable knife (2) in a superposition way of the central line of the inner ring and forms a hair trimming structure which is horizontally distributed up and down, wherein the inner ring of the annular fixed knife (1) and the inner ring of the annular movable knife (2) are covered by components;
the method is characterized in that: it also comprises
An annular broken hair collecting cavity (411) in the collet (4) is formed by sinking an upper opening of the collet (4); and broken hair falling-out structures formed on the peripheral wall of the collet (4) and communicated with each other through annular broken hair collecting cavities (411) to form upper receiving side peripheral falling-out structures; wherein the central line of the annular broken hair collecting cavity (411) coincides with the central line of the inner ring of the annular movable knife (2), and the projection of the inner ring and the outer ring of the hair trimming structure on the cross section of the upper opening of the annular broken hair collecting cavity (411) is between the inner ring and the outer ring of the annular broken hair collecting cavity;
the upper part of the annular stationary knife (1) body between the inner ring of the annular stationary knife (1) and the outer ring of the annular stationary knife is a skin contact part, and the skin contact part is an outer ring skin contact part (115) and an inner ring skin contact part (114); the outer ring skin contact part (115) is formed by smooth or gradient or irregular path transition from the outer ring to the inner ring according to the direction of the slope angle R1 exceeding the plane where the outer ring is positioned, and the inner ring skin contact part (114) is formed by smooth or gradient or irregular path transition from the inner ring to the inner ring according to the slope angle R2; the intersection of the inner ring skin contact part (114) and the outer ring skin contact part (115) is higher than the horizontal plane of the inner ring and the outer ring of the annular stationary knife, and the two parts are intersected to form a diversion angle.
2. A reciprocating hair trimmer cutter head according to claim 1 wherein:
a movable cutter rotating disc (3) which is horizontally arranged in the bottom support (4) and is driven to reciprocate positively and negatively and horizontally, and the annular movable cutter (2) which moves synchronously with the assembled movable cutter rotating disc;
the hair trimming structure is characterized in that a fixed plug-in fixing piece (113) is arranged on the annular fixed knife (1) body, the plug-in fixing piece (113) downwards penetrates through the annular movable knife (2) and the movable knife rotating disc (3) and then is plugged and fixed with the bottom support (4) and is matched with the annular movable knife (2) and the movable knife rotating disc (3) in a circumferential rotation mode, and an inner ring trimming blade of the annular fixed knife (1) and an outer ring trimming blade of the annular movable knife (2) are flatly matched after the plug-in fixing piece (113) is plugged and fixed with the bottom support (4), so that an inner ring and an outer ring rotating trimming ring of the hair trimming structure is formed.
3. A reciprocating hair trimmer cutter head according to claim 2 wherein:
arc-shaped hollow grooves (213) which are distributed at equal intervals on the body of the annular movable cutter (2) and have a circumferential track with the center of the inner ring as the center are formed, the arc openings of the arc-shaped hollow grooves (213) face the center of the inner ring of the annular movable cutter (2), arc-shaped through grooves (315) which are in one-to-one correspondence with the arc-shaped hollow grooves (213) are formed on the body of the movable cutter rotating disc (3), and the arc openings of the arc-shaped through grooves (315) face the center of the inner ring of the movable cutter rotating disc (3);
the pair of arc-shaped hollow grooves (213) and the arc-shaped through grooves (315) allow one plug-in fixing piece (113) to correspondingly penetrate through, wherein the sections of the plug-in fixing pieces (113) penetrating through the arc-shaped hollow grooves (213) and the arc-shaped through grooves (315) are arc-shaped and are in circumferential rotation fit with the arc-shaped hollow grooves (213) and the arc-shaped through grooves (315).
4. A reciprocating hair trimmer cutter head according to claim 2 wherein:
the swinging mechanism (7) is positioned on the bottom support (4) of the inner ring of the annular broken hair collecting cavity (411), and the swinging mechanism (7) drives the movable cutter rotating disc (3) to rotate forwards and backwards in the horizontal positive and negative circumferential direction;
the inner ring of the annular broken hair collecting cavity (411) is formed by the periphery of a surrounding block (412) extending upwards from the cavity bottom of the annular broken hair collecting cavity (411), an annular moving knife (2) is horizontally arranged on a moving knife rotating disc (3) supported by the upper part of the surrounding block (412), and two sides of an opening of the surrounding block (412) are contacted with the swinging mechanism (7) to form a lower part which is propped against to limit the maximum horizontal rotation angle of the swinging mechanism (7).
5. A reciprocating hair trimmer cutter head according to claim 4 wherein:
the part covering the inner ring of the annular fixed knife (1) and the inner ring of the annular movable knife (2) is an inner ring cover body (5), and the inner ring cover body (5) comprises a circular cover body (511), a positioning column (512), a first barrier strip (611), a second barrier strip (612), a third barrier strip (613) and two inner ring cover inserts (513);
the circular cover body (511) covers the inner ring of the annular fixed knife (1) and the inner ring of the annular movable knife (2), the front surface of the circular cover body (511) is a skin contact surface, the upper end of the positioning column (512) is connected with the center of the back surface of the circular cover body (511), and the lower end of the positioning column passes through the inner ring of the annular fixed knife (1) and the inner ring of the annular movable knife (2); the two inner ring cover inserts (513) are symmetrically arranged on the outer edge of the back surface of the circular cover body (511) by taking the center of the circular cover body (511) as the center of a circle, and are inserted and fixed with the enclosing shield (412); the first barrier strips (611), the second barrier strips (612) and the third barrier strips (613) are distributed on the outer edge of the back surface of the circular cover body (511) at intervals along a circumferential track taking the center of the circular cover body (511) as a circle center, wherein the first barrier strips (611) and the second barrier strips (612) are symmetrical, and the third barrier strips (613) are respectively equidistant from the first barrier strips (611) and the second barrier strips (612); the first barrier strip (611), the second barrier strip (612) and the third barrier strip (613) are correspondingly contacted with the movable cutter rotating disc (3) to form upper part propped against to limit the maximum horizontal rotating angle of the movable cutter rotating disc (3).
6. A reciprocating hair trimmer cutter head according to claim 5 wherein:
the movable cutter rotating disc (3) comprises a rotating disc body (311), three umbrella-shaped hollow areas (312) and a turntable positioning hole (313); three umbrella-shaped hollow areas (312) are arranged on the rotary disc body (311) along a circumferential track taking the rotary axis of the rotary disc (3) of the movable cutter as the center, and a rotary disc positioning hole (313) is arranged at the rotary center of the rotary disc (3) of the movable cutter and used for allowing the upper end of a positioning column (512) to pass through; a limiting structure for circumferential limiting by insertion is arranged between the rotary disc body (311) and the annular movable cutter (2); the rotating disc body (311) between the adjacent umbrella-shaped hollow areas (312) is a moving blade rotating disc framework (314), and the first barrier strip (611), the second barrier strip (612), the third barrier strip (613) and the two inner ring cover inserts (513) correspondingly penetrate through the umbrella-shaped hollow areas (312); wherein, a movable cutter rotating disc skeleton (314) moves between third blend stop (613) and inner ring lid cutting (513) of third blend stop (613) one side, a movable cutter rotating disc skeleton (314) is between third blend stop (613) and inner ring lid cutting (513) of third blend stop (613) opposite side, a movable cutter rotating disc skeleton (314) is between first blend stop (611) and second blend stop (612), movable cutter rotating disc skeleton (314) receives the offset of inner ring lid cutting (513) or third blend stop (613) in order to realize limit brake cutter rotating disc (3) biggest horizontal rotation angle.
7. A reciprocating hair trimmer cutter head according to claim 5 wherein:
the swinging mechanism (7) comprises a fixed shaft (711) extending towards the upper opening of the bottom support (4) and a swinging block (712) horizontally matched with the fixed shaft (711) in a rotating way; one end of the swing block (712) is provided with a power emission section (713) outside the opening of the enclosure (412), and the power emission section (713) is folded upwards at an angle to reduce the transverse size of the power emission section (713); the power-emitting section (713) pushes the movable blade rotating disk (3) to horizontally reciprocate back and forth, and the other head is in the inner side of the opening of the enclosure (412) and is forked into two spaced power-receiving ends (714).
8. A reciprocating hair trimmer cutter head according to claim 1 wherein:
the outer ring skin contact part (115) is provided with a plurality of outer shaving residue guide grooves (116) which are distributed at intervals and extend towards the outer ring of the annular fixed cutter from the intersection of the inner ring skin contact part (114) and the outer ring skin contact part (115), the outer ends of the outer shaving residue guide grooves (116) are close to but do not contact with the outer fixed tooth mouth of the annular fixed cutter, the track line of the outer shaving residue guide grooves (116) is not intersected with the outer fixed tooth mouth of the annular fixed cutter which is close to the first fixed tooth mouth, is intersected with the outer fixed tooth mouth which is close to the second fixed tooth mouth, or is intersected with the outer fixed tooth mouth which is close to the third fixed tooth mouth; the outer beard residue guiding groove (116) is an arc-shaped groove with arc-shaped groove tracks, and the arc opening of each arc-shaped groove is distributed clockwise along with the circumference; the inner ring skin contact part (114) is provided with a plurality of inner shaving residue guide grooves (117) which are distributed at intervals and extend towards the inner ring of the annular fixed cutter from the intersection of the inner ring skin contact part (114) and the outer ring skin contact part (115), the inner ends of the inner shaving residue guide grooves (117) are adjacent to but do not contact with the inner tooth openings of the annular fixed cutter, and the track line of the inner shaving residue guide grooves (117) is not intersected with the inner tooth opening adjacent to the first inner tooth opening adjacent to the second inner tooth opening or is intersected with the inner tooth opening adjacent to the third inner tooth opening; the inner beard residue guide grooves (117) are arc-shaped grooves with arc-shaped groove tracks, the arc opening directions of each arc-shaped groove are distributed anticlockwise along with the circumference, and the inner beard residue guide grooves (117) and the outer beard residue guide grooves (116) are correspondingly connected with each other one by one.
9. A reciprocating hair trimmer characterized by: having a reciprocating hair trimmer head and a body adapted to the head according to claim 1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111628494.4A CN114290383B (en) | 2021-12-28 | 2021-12-28 | Reciprocating hair trimmer tool bit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111628494.4A CN114290383B (en) | 2021-12-28 | 2021-12-28 | Reciprocating hair trimmer tool bit |
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| CN114290383A CN114290383A (en) | 2022-04-08 |
| CN114290383B true CN114290383B (en) | 2023-11-21 |
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| CN114290383A (en) | 2022-04-08 |
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Address after: 315han street, Ningbo Applicant after: CIXI JIWANG KNIFE AND SCISSORS CO.,LTD. Address before: 315301 Bai Liang Cun, Zonghan street, Cixi City, Ningbo City, Hangzhou City, Zhejiang Province Applicant before: CIXI JIWANG KNIFE AND SCISSORS CO.,LTD. |
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