CN110592863B

CN110592863B - Hair bulb trimmer with rear push-type knife

Info

Publication number: CN110592863B
Application number: CN201910968699.3A
Authority: CN
Inventors: 孙海勇
Original assignee: Zhejiang Ruihan Technology Co ltd
Current assignee: Zhejiang Ruihan Technology Co ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2024-03-29
Anticipated expiration: 2039-10-12
Also published as: CN110592863A

Abstract

The invention relates to a hair bulb trimmer with a rear push knife, which is characterized by further comprising a push knife assembly, wherein the push knife assembly is arranged outside a shell, and the driving mechanism can drive the round knife assembly to rotate and drive the push knife assembly to linearly reciprocate. The invention has the advantages that the structure is optimized and the push-type knife assembly is added on the basis of the original hair bulb trimmer, so that the push-type knife assembly and the round-type knife assembly of the hair bulb trimmer share one driving mechanism, and when the driving mechanism is started, the round-type knife assembly can be independently driven to rotationally trim, and the push-type knife assembly is stopped; or the pushing knife assembly can be synchronously driven to linearly and reciprocally swing when the circular knife assembly is driven to rotate. And through increasing the push-type broach subassembly, just usable push-type broach subassembly is along the surface of textile fabric and is sheared, prunes long fine hair or hair ball earlier, and rethread circular knife subassembly carries out secondary pruning to the textile fabric surface, thoroughly clears away the fuzzing or the hair ball on clothing surface, guarantees the aesthetic feeling and the comfort level of clothing surface.

Description

Hair bulb trimmer with rear push-type knife

Technical Field

The invention relates to a device for trimming plush, in particular to a hair bulb trimmer with a rear push-type knife, which is mainly applied to the field of hair trimming tools.

Background

The hair bulb trimmer is also called a hair trimmer or a hair cutter, and is a small household appliance specially used for trimming the surface hair or hair bulb of textiles. After the clothes are worn for a period of time, more or less fuzzing or pilling phenomena are generated on the surface of the clothes, and the fuzzing or pilling severity is different according to different components of the fabric of the clothes. The reason for pilling is mainly that the fibers in the fabric are stretched and broken by rubbing during the wearing or cleaning process of the clothes, so that the surface of the fabric of the clothes is fluffed, the fluff fibers on the surface of the fabric are entangled and curled mutually during the continuous use process, and the entangled and curled fibers can adsorb particles in the air and tighten up to form the hair balls under the action of static electricity.

In the existing hair bulb trimmer, although broken hair fibers or formed hair bulbs generated on the surfaces of textiles (such as clothes, sheets, quilts and the like) can be trimmed, some overlong fibers or hair bulbs are prone to cling to the surfaces of clothing fabrics and cannot enter pores of the hair bulb trimmer by themselves, so that the hair bulb trimmer cannot completely remove long-hair fibers or hair bulbs on the surfaces of the clothing, and only can manually trim by scissors, so that the use requirements of people cannot be met.

Disclosure of Invention

In order to solve the technical problems, the invention provides the hair bulb trimmer with the rear push-out knife, which can trim long fibers or hair bulbs on a soft groveling side by using the rear push-out knife, and can trim short fibers or hair bulbs by using the circular knife assembly, so that the hair or hair bulbs on the surface of clothes can be thoroughly removed once, and the aesthetic feeling and comfort level of the clothes fabric are ensured.

In order to solve the technical problems, the technical scheme adopted by the invention is that the hair bulb trimmer with the rear push-type knife comprises a shell, a circular knife assembly and a driving mechanism, wherein the circular knife assembly is arranged in the shell and comprises a circular knife net piece, a circular knife head and a circular knife seat; the driving mechanism is a double-shaft motor, the circular cutter head is fixedly connected with the first output shaft, and the second output shaft is fixedly provided with an eccentric wheel; the device also comprises a push-broach assembly, wherein the push-broach assembly is arranged on a push-broach seat, the push-broach seat is arranged at the back of the shell, a swing arm is arranged between the eccentric wheel and the push-broach assembly, one end of the swing arm is hinged in the push-broach seat and is synchronously linked with the eccentric wheel, and the other end of the swing arm is in linkage connection with the push-broach assembly; the first output shaft of the driving mechanism drives the circular knife assembly to rotate, and the second output shaft can synchronously drive the eccentric wheel to enable the swing arm to swing in a reciprocating manner so as to drive the push knife assembly to reciprocate in a straight line.

Further, one end of the swing arm is provided with a strip hole with the width matched with that of the eccentric wheel and sleeved outside the eccentric wheel to synchronously link with the eccentric wheel.

The movable cutter head is arranged below the static cutter head, provided with a plurality of trimming teeth and fixed on the upper end surface of the movable cutter seat, and the elastic piece is arranged at the bottom of the movable cutter seat and fixedly connected with the movable cutter seat so as to enable the movable cutter seat, the movable cutter head and the end surface of the static cutter head to be sequentially attached; the swing arm is connected with the movable cutter seat in a linkage way, and when the second output shaft drives the eccentric wheel to rotate, the swing arm can drive the movable cutter seat and the movable cutter head to horizontally reciprocate along the end face of the static cutter head.

Further, the pushing tool apron on be equipped with the couple, the elastic component including hangers and both ends upwards crooked shell fragment, the hangers is arranged in the shell fragment in the middle of both sides and with shell fragment structure as an organic whole, the hangers pass and move tool apron and move the tool bit and pass the stationary tool bit the couple and collude and hang the connection and make and move tool bit and stationary tool bit prune the tooth terminal surface laminating.

Furthermore, two sides of the hook at the bottom end surface of the pushing tool apron are respectively provided with a limiting boss, a guide groove is arranged in the limiting boss, the static tool bit is correspondingly provided with a limiting square hole and a through hole which are matched with the limiting boss, and the limiting square hole is sleeved outside the limiting boss so that the static tool bit is in limiting connection with the pushing tool apron; the movable cutter head and the movable cutter seat are respectively provided with a connecting hole, two sides of the connecting hole of the movable cutter head are provided with limiting column holes, two sides of the connecting hole of the movable cutter seat are provided with limiting columns, the limiting columns respectively penetrate through the limiting column holes and are arranged in the guide grooves of the limiting bosses of the static cutter head, and the hanging lugs penetrate through the connecting holes and are connected with the hanging hooks penetrating through the through holes in a hooking mode.

Further, the pushing tool apron can move up and down along the back of the shell under the action of external force so that the swing arm and the eccentric wheel are separated or synchronously linked.

Further, a stop slot hole communicated with the strip hole is arranged above the swing arm strip hole, and the length and the width of the stop slot hole are larger than the peripheral rotation track of the eccentric wheel; the back of the shell is provided with a sliding groove which is communicated up and down, and the side wall of the sliding groove is provided with a supporting edge; the edge of bottom both sides of pushing away the blade holder be equipped with a plurality of pothooks, pushing away the blade holder place hold in the palm limit terminal surface on the pothook catch hold in the palm limit bottom make pushing away the blade holder and be hooked with the casing and be connected, pushing away the blade holder can be followed the groove of sliding and reciprocate and make the eccentric wheel have and arrange in rectangular downthehole first working position and the swing arm linkage of being connected and the eccentric wheel and arrange in the stop slotted hole and make swing arm and eccentric wheel phase separation's second working position.

Further, hold in palm limit including sliding platform and hold in the palm limit body hold in the palm and be equipped with PMKD on the limit body, be equipped with a plurality of pothooks and rivet hole at this PMKD bottom edge, this pothook is hooked with holding in the palm limit body and is connected, the inboard end of push away the sword seat on be equipped with the cardboard and be equipped with a plurality of riveting posts in push away the bottom of sword seat, push away the sword seat and place sliding platform on its pothook and collude the lateral wall of being connected and the cardboard inserts the sliding groove mutually, the riveting post insert in the rivet hole of PMKD and rivet by heat and fix and make push away the blade holder and form an organic wholely with PMKD.

Further, the pushing tool apron can freely rotate at the back of the shell along the second output shaft of 360 degrees under the action of external force.

Further, a rotary platform is arranged at the back of the shell, a shaft hole which is coaxial with the second output shaft is arranged on the rotary platform, a coaxial annular groove is arranged outside the shaft hole, a plurality of clamping tables are arranged on the inner side wall of the annular groove, and the clamping tables and the shell are of an integrated structure; a rotary base is arranged in the annular groove, the rotary base is sleeved outside the shaft hole, a plurality of clamping hooks are arranged on the outer side wall of the rotary base, a spring is arranged between the rotary base and the shaft hole, the spring is sleeved outside the shaft hole, and two ends of the spring are respectively propped against the rotary bottom plate arranged on the upper end face of the rotary base and the bottom end face of the annular groove to enable the clamping hooks to be in contact with the end face of the clamping table, and the rotary base is movably fixed in the annular groove; the upper end face of the rotating base is provided with a rotating bottom plate, the rotating bottom plate is provided with a transmission hole, the size of the rotating bottom plate is matched with that of the pushing tool rest, the pushing tool rest is fixed above the rotating bottom plate, and the second output shaft penetrates through the transmission hole and is arranged in the pushing tool rest and fixedly connected with the eccentric wheel.

Further, an air suction mechanism is arranged in the shell and comprises an air channel and an impeller, the air channel is arranged in the shell, and the impeller is arranged in the air channel, positioned below the circular cutter head and fixedly connected with a first output shaft of the driving mechanism.

Further, the air duct comprises an air inlet, an air suction chamber, a storage chamber and an air outlet; a plurality of pore-entering holes are arranged on the circular knife net piece, and the pore-entering holes form the air inlet; the circular knife net piece is fixed above the circular knife seat, and the circular knife seat is detachably and fixedly connected with the upper end of the shell, so that an independent first cavity is formed between the shell and the circular knife seat, and the first cavity forms the air suction chamber; the lower end of the shell is provided with a bin cover plate, the bin cover plate is detachably clamped with the shell to form an independent second chamber between the bin cover plate and the shell, the second chamber forms the storage chamber, a ventilation opening is arranged between the storage chamber and the air suction chamber, and the storage chamber and the air suction chamber are mutually communicated through the ventilation opening; the air outlet is arranged on the bin cover plate to enable the storage chamber to be communicated with the outside.

Further, the impeller install in the induced draft chamber, this impeller is including impeller body, impeller piece and reference column, the reference column links to each other and the concentric setting with actuating mechanism's first output shaft, the impeller body install at the reference column lower extreme and with reference column structure as an organic whole, the impeller piece be equipped with the multichip and be the slope form and fix around the impeller body, the round knife cover put outside the reference column and be connected with the reference column linkage.

Further, the casing including body, bottom and circle base, sliding groove or rotary platform set up on the bottom, the body including bottom plate and be the bounding wall of major arc form, communicate with each other from top to bottom in the bounding wall, the storehouse apron lid put and form the memory cell above the bottom plate, and storehouse apron and bottom plate detachable sliding joint, circle base detachable fix in the bounding wall, circle base detachable fix and make and form the suction chamber between circle base and the circle base above the circle base, the bottom lid put and make the body and form the third cavity between the bottom at the bottom of body, actuating mechanism arrange in the third cavity and its first output shaft pass circle base place in with impeller fixed connection, the second output shaft passes bottom and eccentric wheel fixed connection.

Further, the bin cover plate comprises a panel and a bin plate, wherein a plurality of sliding blocks are arranged on the upper surface of the panel, and the sliding blocks and the panel are in an integrated structure; the air outlet is arranged at the tail part of the panel, the bin plate is arranged in the panel, three side walls of the bin plate are connected with the inner wall of the panel and are of an integrated structure, so that a storage chamber is formed between the bin plate and the panel, one end, close to the inner side of the storage chamber, of the bin plate is provided with a plurality of air exhaust holes, and the air exhaust holes are communicated with the air outlet at the tail part of the panel; the panel cover is arranged above the step and the clamping blocks on the two sides are clamped into the clamping grooves, so that the panel is connected with the detachable buckle of the body.

The invention has the advantages that the structure is optimized on the basis of the original hair bulb trimmer, and the push-type knife assembly is added, so that the push-type knife assembly and the round-type knife assembly of the hair bulb trimmer share one driving mechanism, and when the driving mechanism is started, the round-type knife assembly can be independently driven to rotationally trim or synchronously driven to linearly reciprocate when the round-type knife assembly is driven to rotationally move. After a certain amount of textile fabric is used for a period of time, more or less fluff or hair balls with different lengths can be generated on the surface of the fabric, the fluff or hair balls with different lengths can be prone to adhere to the surface of the textile fabric under the action of static electricity, and the fluff or hair balls cannot enter pores of the circular knife assembly during trimming, so that the circular knife assembly cannot trim the fluff or hair balls; and through increasing the push-type broach subassembly, just available push-type broach subassembly is pruned long fine hair or hair ball along textile fabric surface earlier, and rethread circular knife subassembly carries out secondary pruning to textile fabric surface to guarantee hair ball trimmer's pruning effect, thoroughly clear away the fuzzing or the hair ball on clothing surface, guarantee the aesthetic feeling degree and the comfort level of clothing surface.

Drawings

Fig. 1 is a sectional view showing a structure of a hair bulb trimmer with a rear push knife according to an embodiment of the present invention.

Fig. 2 is a perspective view of an eccentric wheel according to an embodiment of the present invention.

Fig. 3 is a perspective view of a swing arm according to an embodiment of the present invention.

Fig. 4 is a cross-sectional view of a push-knife assembly according to an embodiment of the present invention.

Fig. 5 is a perspective view of a pusher seat according to an embodiment of the present invention.

Fig. 6 is a perspective view of a static cutter head according to an embodiment of the present invention.

Fig. 7 is a perspective view of a movable cutter head according to an embodiment of the present invention.

Fig. 8 is a perspective view of a movable cutter holder according to an embodiment of the present invention.

Fig. 9 is a perspective view of an elastic member according to an embodiment of the present invention.

Fig. 10 is a perspective view of a bottom cover with a sliding groove according to an embodiment of the present invention.

Fig. 11 is a perspective view of a fixing base plate according to an embodiment of the present invention.

Fig. 12 is a perspective view of a hair bulb trimmer with a sliding rear push knife according to an embodiment of the present invention.

Fig. 13 is a perspective view of a hair bulb trimmer with a stationary rear push knife according to an embodiment of the present invention.

Fig. 14 is a perspective view of a rotating base plate according to an embodiment of the present invention.

Fig. 15 is a perspective view of a bottom cover with a rotary platform according to an embodiment of the present invention.

Fig. 16 is a perspective view of a hair bulb trimmer with a rotary rear push-type knife according to an embodiment of the present invention.

Fig. 17 is a perspective view of a housing according to an embodiment of the present invention.

Fig. 18 is a perspective view of a housing according to an embodiment of the present invention.

Fig. 19 is a perspective view of a circular base of a housing not mounted in an embodiment of the invention.

Fig. 20 is a front perspective view of a bin cover according to an embodiment of the invention.

Fig. 21 is a bottom perspective view of a bin cover according to an embodiment of the invention.

Detailed Description

Embodiments of the present invention will now be further described with reference to the accompanying drawings:

as shown in fig. 1-21, the invention relates to a hair bulb trimmer with a rear push knife, which comprises a shell 1, a circular knife assembly 2 and a driving mechanism 3, wherein the circular knife assembly 2 is arranged in the shell 1, the circular knife assembly 2 comprises a circular knife net piece 21, a circular knife head 22 and a circular knife seat 23, the circular knife seat 23 is connected with the shell 1, the circular knife net piece 21 is arranged on the circular knife seat 23, the driving mechanism 3 is arranged in the shell 1, and the circular knife head 22 is fixedly connected with the driving mechanism 3; the hair bulb trimmer also comprises a push-type knife assembly 4, wherein the push-type knife assembly 4 is arranged outside the shell 1, and the driving mechanism 3 can drive the circular knife assembly 2 to rotate and drive the push-type knife assembly 4 to linearly reciprocate. The structure optimization is carried out on the basis of the original hair bulb trimmer, and the push-type knife assembly 4 is added, so that the push-type knife assembly 4 and the round-type knife assembly 2 of the hair bulb trimmer share one driving mechanism 3, when the driving mechanism 3 is started, the round-type knife assembly 2 can be independently driven to perform rotary trimming, or the push-type knife assembly 4 can be synchronously driven to linearly reciprocate when the round-type knife assembly 2 is driven to perform rotary motion. After some textile fabrics are used for a period of time, more or less fluff or hair balls with different lengths can be generated on the surface of the fabrics, the fluff or hair balls with different lengths can be prone to adhere to the surface of the textile fabrics under the action of static electricity, and the fluff or hair balls cannot enter the pore 211 of the circular knife assembly 2 during trimming, so that the circular knife assembly 2 cannot trim the fluff or hair balls; and through increasing push-type broach subassembly 4, just available push-type broach subassembly 4 prunes long fine hair or hair ball along textile fabric surface earlier, and rethread circular knife subassembly 2 prunes textile fabric surface to guarantee hair ball trimmer's pruning effect, thoroughly clear away the fuzzing or the hair ball on clothing surface, guarantee the aesthetic feeling and the comfort level of clothing surface. .

In the actual use process, three working modes are adopted, one is that the driving mechanism 3 drives the circular knife assembly 2 to perform rotary trimming, and the push knife assembly 4 stops. Secondly, the driving mechanism 3 drives the push-type knife assembly 4 to swing reciprocally to trim, the circular knife assembly 2 is stopped, the mode can be realized only by adding a pulling-out piece between the circular knife assembly 2 and the driving mechanism 3 to press the displacement of the circular knife assembly 2, an embodiment drawing is not shown in the drawing, but a person skilled in the art can realize the technical scheme without creative labor when reading the patent application. Thirdly, the driving mechanism 3 can synchronously drive the circular knife assembly 2 and the push knife assembly 4 to simultaneously perform rotary trimming and reciprocating swing trimming. The specific mode can be determined according to the requirements of users or market demands.

In this embodiment, in order to facilitate the driving mechanism 3 to drive the circular knife assembly 2 to rotationally trim and simultaneously drive the push knife assembly 4 to linearly and reciprocally trim, the driving mechanism 3 is a dual-shaft motor, the circular knife head 22 is fixedly connected with a first output shaft 31 of the dual-shaft motor, and an eccentric wheel 5 is fixedly mounted on a second output shaft 32; the push broach assembly 4 is arranged on the push broach seat 6, the push broach seat 6 is arranged on the back of the shell 1, a swing arm 7 is arranged between the eccentric wheel 5 and the push broach assembly 4, the swing arm 7 is hinged in the push broach seat 6, one end of the swing arm 7 is provided with a strip hole 71 with the width matched with the eccentric wheel 5, the strip hole is sleeved outside the eccentric wheel 5 and synchronously linked with the eccentric wheel 5, and the other end of the swing arm 7 is in linkage connection with the push broach assembly 4; the first output shaft 31 of the driving mechanism 3 drives the circular knife assembly 2 to rotate, and the second output shaft 32 can synchronously drive the eccentric wheel 5 to make the swing arm 7 swing reciprocally so as to drive the push knife assembly 4 to reciprocate linearly. Through changing actuating mechanism 3 into biax motor to set up eccentric wheel 5 on second output shaft 32, add in push away knife seat 6 and establish swing arm 7 and make swing arm 7 one end and eccentric wheel 5 synchronous linkage, the other end is connected with push away knife assembly 4 linkage, when the first output shaft 31 of actuating mechanism 3 drives round knife assembly 2 rotatory pruning, second output shaft 32 just can drive push away knife assembly 4 straight reciprocating motion in step like this, realize that round knife assembly 2 and push away knife assembly 4 of two sets of different movement modes share a actuating mechanism 3, while saving the cost, optimized the product structure, expanded the product usage, promoted the performance of product, make it can satisfy user's different user demands. Of course, the eccentric 5 may not be provided, for example, a cam may be provided, and the swing arm 7 may also swing reciprocally, but since the eccentric 5 is easy to produce and assemble, the implementation of this embodiment is a preferred implementation.

In actual production, a hinge post 66 is arranged on the inner wall of the push-type broach seat 6, and a hinge hole 73 is arranged on the swing arm 7 and is arranged outside the hinge post 66 to enable the swing arm 7 to be hinged and fixed with the push-type broach seat 6; of course, the hinge post 66 may be provided on the housing 1, but in order to ensure the linkage connection and connection firmness and working stability of the swing arm 7 and the push cutter assembly 4, the hinge post 66 is provided on the push cutter holder 6 more firmly and stably than the housing 1, and thus, the hinge post 66 is provided on the push cutter holder 6 as a preferred embodiment.

In this embodiment, in order to facilitate shaving of long nap or hair ball on the surface of the textile fabric, the push-broach assembly 4 includes a static bit 41, a movable bit 42, a movable bit holder 43 and an elastic element 44, the static bit 41 is in limit connection with the push-broach seat 6, one side of the static bit 41 is disposed outside the push-broach seat 6 and provided with a plurality of trimming teeth 45, the static bit 41 is in limit connection with the push-broach seat 6 to prevent the displacement or swing of the static bit 41 from influencing the shaving effect in the shaving process, and the shaving effect of the push-broach assembly 4 due to the displacement of the static bit 41 can be effectively avoided through limit connection, so as to ensure the shaving performance of the push-broach assembly 4. The movable cutter head 42 is arranged below the static cutter head 41 and provided with a plurality of trimming teeth 45 and fixed on the upper end surface of the movable cutter seat 43, and the elastic piece 44 is arranged at the bottom of the movable cutter seat 43 and fixedly connected with the push cutter seat 6 so that the end surfaces of the movable cutter seat 43, the movable cutter head 42 and the static cutter head 41 are sequentially attached; the swing arm 7 is connected with the movable cutter seat 43 in a linkage way, and when the second output shaft 32 drives the eccentric wheel 5 to rotate, the swing arm 7 can drive the movable cutter seat 43 and the movable cutter head 42 to horizontally reciprocate along the end face of the static cutter head 41; through setting up the pruning tooth 45 respectively on quiet tool bit 41 and move tool bit 42, when moving tool bit 42 installs on moving tool bit 43, just so can utilize elastic component 44 to make to move tool bit 43, move tool bit 42 and quiet tool bit 41 terminal surface laminating in proper order and fix on pushing away tool bit 6, when swing arm 7 is reciprocal when the swing under the drive of eccentric wheel 5, move tool bit 43 and move tool bit 42 and can follow quiet tool bit 41's terminal surface reciprocal swing, and under moving tool bit 42 and quiet tool bit 41's the cooperation of pruning tooth 45, the long fine hair or the hair ball that gets into in the pruning tooth 45 just can be cut off rapidly, thereby guarantee pushing away the pruning effect of sword subassembly 4. In the actual use process, a linkage groove is formed in the movable cutter seat 43, and the end part of the swing arm 7 is inserted into the linkage groove to enable the movable cutter seat 43 to be in linkage connection with the swing arm 7; of course, the elastic member 44 may be omitted, the movable cutter holder 43 and the swing arm 7 may be integrally formed, the movable cutter head 42 may be fixed on the movable cutter holder 43, then the elastic sheet may be provided between the stationary cutter head 41 and the push cutter seat 6, the stationary cutter head 41 and the push cutter seat 6 may be ensured to be in limited connection, and the same purpose may be achieved by attaching the movable cutter head 42 to the end face of the trimming tooth 45.

In this embodiment, in order to facilitate the movable cutter head 42 and the movable cutter seat 43 to reciprocate horizontally along the end surface of the static cutter head 41 while being mounted and fixed, so as to ensure the trimming effect of the hair bulb trimmer, the push-type cutter seat 6 is provided with a hook 61, the elastic member 44 includes a hanging tab 441 and elastic pieces 442 with two ends bent upwards, the hanging tab 441 is disposed at two sides of the middle of the elastic pieces 442 and is in an integral structure with the elastic pieces 442, and the hanging tab 441 passes through the movable cutter seat 43 and the movable cutter head 42 to be hooked and connected with the hook 61 passing through the static cutter head 41 so as to make the end surfaces of the trimming teeth 45 of the movable cutter head 42 and the static cutter head 41 fit; by arranging the hook 61 under the push-broach seat 6 and arranging the hanging lug 441 on the elastic piece 44, the hook 61 can be directly buckled into the hanging lug 441 of the elastic piece 44 during installation, so that the elastic piece 44 is fixedly connected with the push-broach seat 6; after the elastic piece 44 is fixed with the push knife seat 6, the elastic pieces 442 bent upwards at the two sides of the elastic piece 44 can be buckled at the bottom of the movable knife seat 43 to enable the end surfaces of the movable knife seat 43, the movable knife head 42 and the static knife head 41 to be sequentially attached; and the movable cutter seat 43 and the movable cutter head 42 can synchronously and reciprocally swing along with the swing arm 7, so that the end surfaces of the trimming teeth 45 of the movable cutter head 42 and the static cutter head 41 are effectively prevented from being separated, and the trimming effect of the hair bulb trimmer is effectively prevented from being influenced. Of course, the elastic member 44 may not be provided, and the elastic piece 442 of the elastic member 44 is not required to support the end surfaces of the movable cutter seat 43 and the movable cutter head 42 and the static cutter head 41 for bonding, for example, a butterfly spring is provided under the movable cutter seat 43, and the butterfly spring is used to press the movable cutter seat 43, so that the end surfaces of the trimming teeth 45 of the movable cutter head 42 and the static cutter head 41 can be bonded, but the structure of the butterfly spring is not easy to assemble and fix, so the structure of the elastic piece 442 of the elastic member 44 is a preferred embodiment; secondly, the elastic member 44 may not be directly fastened to the bottom of the movable blade holder 43, for example, directly fastened to the bottom of the movable blade holder 42, and the movable blade holder 43 is fixedly connected with the swing arm 7 and the movable blade holder 43 is attached to the end surface of the movable blade holder 42, which may also have the same function and achieve the same technical effect.

In this embodiment, in order to facilitate the installation of the static cutter head 41 and prevent the movable cutter head 42 from shifting or dislocating during the reciprocating swing, two sides of the hook 61 at the bottom end surface of the push-type cutter seat 6 are respectively provided with a limit boss 611, a guide slot 612 is arranged in the limit boss 611, a limit square hole 411 and a through hole 412 matched with the limit boss 611 are correspondingly arranged on the static cutter head 41, and the limit square hole 411 is sleeved outside the limit boss 611 to limit the static cutter head 41 to be connected with the push-type cutter seat 6; through setting up spacing boss 611 on push broach seat 6, and set up spacing square hole 411 in quiet tool bit 41 corresponding position on, when quiet tool bit 41 installs like this, spacing square hole 411 can overlap and put outside spacing boss 611 makes quiet tool bit 41 and push broach seat 6 form spacing fixedly, and couple 61 then passes through hole 412 and hanger connection with hangers 441. The movable cutter head 42 and the movable cutter seat 43 are respectively provided with a connecting hole 46, two sides of the connecting hole 46 of the movable cutter head 42 are provided with limiting column holes 421, two sides of the connecting hole 46 of the movable cutter seat 43 are provided with limiting columns 431, the limiting columns 431 respectively penetrate through the limiting column holes 421 and are arranged in the guide grooves 612 of the limiting bosses 611 of the static cutter head 41, and the hanging lugs 441 penetrate through the connecting holes 46 and are hooked and connected with the hanging hooks 61 penetrating through the through holes 412. Through arranging the connecting holes 46 on the movable cutter seat 43 and the movable cutter head 42 respectively, the hanging lugs 441 can pass through the connecting holes 46 to be hooked and connected with the hooks 61, the elastic sheets 442 on the two sides of the hanging lugs 441 can be attached to the bottom end surfaces on the two sides of the connecting holes 46 of the movable cutter seat 43, so that the attachment of the end of the movable cutter seat 43 to the end of the movable cutter head 42 is realized, and the end surface of the movable cutter head 42 is attached to the end surface of the static cutter head 41 under the action of the elastic sheets 442 to fix the static cutter head 41 on the pusher seat 6; and set up spacing post hole 421 on moving tool bit 42, the spacing post 431 that sets up on moving tool bit 43 just can pass spacing post hole 421 and insert in the guide way 612 of pushing away tool bit 6, and the length of guide way 612 is greater than or equal to the horizontal reciprocating swing stroke of moving tool bit 43, cooperates through spacing post 431 on moving tool bit 43 and guide way 612 on pushing away tool bit 6, can effectively guarantee to move tool bit 42 and can not take place skew or dislocation at reciprocating swing in-process, promotes the safety in utilization and the stability of moving tool bit 42, guarantees shaving hair effect. One end of the swing arm 7 is arranged in a swing groove 432 arranged in the movable knife holder and is connected with the movable knife holder in a linkage way.

In order to control the opening and closing of the push-broach assembly 4, the push-broach seat 6 can move up and down along the back of the shell 1 under the action of external force so as to separate or synchronously link the swing arm 7 and the eccentric wheel 5; because the static cutter 41, the movable cutter 42, the movable cutter 43 and the swing arm 7 of the push cutter assembly 4 are fixed on the push cutter seat 6, the push cutter seat 6 can be contacted with or separated from the eccentric wheel 5 by up-and-down displacement under the action of external force, and thus, the push cutter seat 6 can be displaced to control the opening or closing of the push cutter assembly 4. From the use perspective, the push-type knife seat 6 can also be directly fixedly connected with the shell 1, the round knife assembly 2 and the push-type knife assembly 4 can be synchronously driven to trim when the driving mechanism 3 rotates, in order to prevent the push-type knife assembly 4 from influencing the shaving operation when the push-type knife assembly is not needed to be used, the push-type knife seat 6 can be provided with a cap structure for shielding the movable knife head 42 and the static knife head 41, and the cap structure can be taken out or pulled away when the push-type knife assembly 4 is needed to be used, so that the same purpose can be achieved. The push-broach base 6 is specifically configured to be an up-down displacement structure or a structure fixed with the casing 1, which can be determined according to the requirements of users or actual requirements, and the embodiment is not limited further.

In this embodiment, in order to control the opening or closing of the push-broach assembly 4 during the up-and-down displacement of the push-broach seat 6, a stop slot 72 communicating with the slot 71 is provided above the slot 71 of the swing arm 7, and the length and width of the stop slot 72 are greater than the peripheral rotation track of the eccentric wheel 5; a sliding groove 81 is arranged on the back of the shell 1, the sliding groove 81 is communicated up and down, and a supporting edge 811 is arranged on the side wall of the sliding groove 81; the edges of the two sides of the bottom of the push-broach seat 6 are provided with a plurality of clamping hooks 62, the push-broach seat 6 is arranged on the end face of the supporting edge 811, the clamping hooks 62 hook the bottom of the supporting edge 811 to enable the push-broach seat 6 to be hooked and connected with the shell 1, the push-broach seat 6 can move up and down along the sliding groove 81 under the action of external force to enable the eccentric wheel 5 to have a first working position which is arranged in the strip hole 71 and is in linkage connection with the swing arm 7, and a second working position which is arranged in the stop slot hole 72 and enables the swing arm 7 to be separated from the eccentric wheel 5. By additionally arranging the sliding groove 81 on the back of the shell 1 and arranging the supporting edge 811 on the edge of the sliding groove 81, when the push-broach seat 6 is arranged in the sliding groove 81, the clamping hook 62 at the bottom of the push-broach seat 6 can be in clamping connection with the supporting edge 811, so that the push-broach seat 6 can move up and down along the sliding groove 81 under the action of external force; when the push broach seat 6 is forced to displace downwards, the eccentric wheel 5 can displace into the stop slotted hole 72 through the strip hole 71, and as the length and the width of the stop slotted hole 72 are larger than the diameter of the peripheral rotation track of the eccentric wheel 5, the eccentric wheel 5 and the swing arm 7 are separated to form a first working position, and when the swing arm 7 loses the driving force, the movable tool apron 43 cannot be driven to swing horizontally and reciprocally, so that the push broach assembly 4 is closed; when the push knife assembly 4 is needed, the push knife seat 6 can be driven by hand to move upwards along the sliding groove 81, at this time, the eccentric wheel 5 can move from the stop slot hole 72 to the strip hole 71 to form a second working position, when the driving mechanism 3 rotates, the second output shaft 32 can drive the eccentric wheel 5 to rotate, and the swing arm 7 can be driven to swing horizontally through the rotation of the eccentric wheel 5, so that the horizontal reciprocating motion of the movable knife seat 43 and the movable knife head 42 is realized.

In this embodiment, in order to ensure the smoothness of the push knife seat 6 during the vertical displacement and the installation firmness of the push knife seat 6 during the vertical displacement, the supporting edge 811 comprises a sliding platform 8111 and a supporting edge body 8112, a fixed bottom plate 812 is arranged on the supporting edge body 8112, a plurality of hooks 62 and riveting holes 63 are arranged at the bottom edge of the fixed bottom plate 812, the hooks 62 are hooked and connected with the supporting edge body 8112, a clamping plate 64 is arranged at the inner side end of the push knife seat 6, a plurality of riveting columns 65 are arranged at the bottom of the push knife seat 6, the push knife seat 6 is arranged on the sliding platform 8111, the hooks 62 are hooked and connected with the sliding platform 8111, the clamping plate 64 is inserted into the side wall of the sliding groove 81, and the riveting columns 65 are inserted into the riveting holes 63 of the fixed bottom plate 812 and are thermally riveted to enable the push knife seat 6 and the fixed bottom plate 812 to form a whole. Through setting up sliding platform 8111 and holding in palm limit body 8112 to set up fixed bottom plate 812 on holding in the palm limit body 8112, utilize pothook 62 of fixed bottom plate 812 bottom to collude with holding in the palm limit body 8112 to be connected, when pushing away blade holder 6 utilized riveting post 65 and fixed bottom plate 812 fixed connection like this, under pushing away blade holder 6 atress's the condition fixed bottom plate 812 can be followed hold in the palm limit body 8112 and reciprocate and make swing arm 7 and eccentric wheel 5 contact or separate, realize opening and closing of pushing away the sword subassembly 4. The clamping plate 64 is arranged at the inner side of the push-broach seat 6, and when the push-broach seat 6 is forced to displace downwards, the clamping plate 64 arranged on the sliding platform 8111 can be inserted into the inner wall of the sliding groove 81 along the sliding platform 8111 to form a limit, so that the connection firmness of the push-broach seat 6 and the shell 1 is ensured. In the practical use process, in order to limit the up-down displacement travel of the push broach holder 6, the distance between the sliding platform 8111 and the edge supporting body 8112 is the same as the displacement travel of the push broach holder 6, and the fixed bottom plate 812 is fixed on the edge supporting body 8112, and the upper end surface of the fixed bottom plate and the sliding platform 8111 are kept on the same horizontal plane.

In order to improve the flexibility of use of the hair bulb trimmer, the applicant also proposes a rotary push-type knife assembly 4 which is different from the fixed push-type knife assembly 4 and the sliding push-type knife assembly 4, wherein the push-type knife holder 6 can freely rotate at 360 degrees along the second output shaft 32 at the back of the shell 1 under the action of external force. By arranging the push-broach base 6 into a rotary structure, the push-broach base 6 can be rotated in any direction to trim the push-broach base 4 when the push-broach base 4 is needed, and the end part of the push-broach base 4 can be rotated to the back part of the shell 1 when the push-broach base 4 is not needed, so that the push-broach base 4 cannot be contacted with textile fabrics and the like. The push-broach seat 6 adopts a rotary structure, so that the use flexibility of the push-broach assembly 4 can be improved, and the assembly is more convenient.

In this embodiment, in order to facilitate the rotation and assembly of the seat of the push-broach assembly 4 along the second output shaft 32 of the driving mechanism 3, a rotating platform 82 is disposed on the back of the casing 1, and an axle hole 821 coaxially disposed with the second output shaft 32 is disposed on the rotating platform 82; by providing the shaft hole 821, the second output shaft 32 can pass through the shaft hole 821 to fix the eccentric wheel 5 and make the swing arm 7 and the eccentric wheel 5 in linkage connection, of course, the rotating platform 82 is not required, but because the design of the back of the casing 1 is curved, the rotating platform 82 is not provided, which can result in larger interval between the push knife holder 6 and the push knife assembly 4 and the casing 1 and damage. In order to facilitate the fixed installation of the pusher seat 6, a coaxial annular groove 822 is arranged outside the shaft hole 821, and a plurality of clamping platforms 823 are arranged on the inner side wall of the annular groove 822, and the clamping platforms 823 and the shell 1 are of an integrated structure; a rotary base 824 is arranged in the annular groove 822, the rotary base 824 is sleeved outside the shaft hole 821, a plurality of clamping hooks 62 are arranged on the outer side wall of the rotary base 824, a spring 825 is arranged between the rotary base 824 and the shaft hole 821, the spring 825 is sleeved outside the shaft hole 821, and two ends of the spring 825 respectively prop against a rotary bottom plate 826 arranged on the upper end face of the rotary base 824 and the bottom end face of the annular groove 822 to enable the clamping hooks 62 to be in contact with the end face of the clamping table 823, and the rotary base 824 is movably fixed in the annular groove 822; the upper end surface of the rotary base 824 is provided with a rotary bottom plate 826, a transmission hole is arranged on the rotary bottom plate 826, the size of the rotary bottom plate 826 is matched with that of the push broach seat 6, the push broach seat 6 is fixed above the rotary bottom plate 826, and the second output shaft 32 passes through the transmission hole and is arranged in the push broach seat 6 to be fixedly connected with the eccentric wheel 5. By arranging a rotary bottom plate 826 with a rotary base 824 in an annular groove 822 of the rotary platform 82 and utilizing hooks 62 on the side wall of the rotary base 824 to be hooked and connected with a clamping table 823 on the side wall of the annular groove 822, the rotary bottom plate 826 can be fixed in the annular groove 822, and when the push knife seat 6 is fixedly connected with the rotary bottom plate 826, the push knife assembly 4 of the push knife seat 6, which is arranged on the push knife seat 6, can be correspondingly driven to rotate by the rotation of the rotary bottom plate 826, so that the use flexibility of the hair bulb trimmer is improved. And the spring 825 is arranged in the annular groove 822, so that the clamping hook 62 can be attached to the end face of the clamping table 823 in real time, the rotary bottom plate 826, the push-type knife seat 6 and the push-type knife assembly 4 are prevented from rotating due to non-human factors, and the use safety and the shaving effect of the hair bulb trimmer are ensured.

In the process of using the hair bulb trimmer, long and short fluff fibers or hair bulbs generated on the textile fabric are mostly attached to the surface of the fabric under the action of static electricity, and the fluff or hair bulbs are softer and cannot enter the inlet holes 211 of the hair bulb trimmer by themselves, so that certain barriers are generated for trimming the fluff fibers or the hair bulbs, in order to solve the problem that the long and short fluff or hair bulbs cannot enter the inlet holes 211 of the hair bulb trimmer by themselves, an air suction mechanism 9 is arranged in the shell 1, the air suction mechanism 9 comprises an air duct 91 and an impeller 92, the air duct 91 is arranged in the shell 1, and the impeller 92 is arranged in the air duct 91 and positioned below the circular cutter head 22 and is fixedly connected with the first output shaft 31 of the driving mechanism 3. By arranging the air duct 91 and the impeller 92 in the shell 1 and installing the impeller 92 in the air duct 91 below the circular cutter 22 and fixedly connecting the impeller 92 with the first output shaft 31, when the driving mechanism 3 rotates, the first output shaft 31 can simultaneously drive the impeller 92 and the circular cutter 22 to rotate, the impeller 92 can generate an induced draft effect in the rotating process, when the circular cutter 22 is close to the surface of the fabric, long and short fluff fibers or fluff balls attached to the surface of the fabric can enter the pore 211 of the circular cutter mesh 21 of the circular cutter assembly 2 under the action of the induced draft of the impeller 92, long and short fluff fibers or fluff balls entering the pore 211 of the circular cutter mesh 21 can be cut under the cooperation of the circular cutter 22 and the circular cutter mesh 21, so that smooth cutting of the long and short fluff fibers or fluff balls is ensured, and the trimming effect of the fluff ball trimmer is improved; meanwhile, the cut long and short fluff or hair bulb can also enter the shell 1 through the air duct 91 for independent storage under the action of the impeller 92, so that the cut long and short fluff or hair bulb can not fall out randomly and anywhere, and the cleanness and sanitation in the use process of the hair bulb trimmer are ensured.

In this embodiment, in order to facilitate the trimming and collecting of long and short fluff fibers or fluff balls, the air duct 91 includes an air inlet, an air suction chamber 910, a storage chamber 912 and an air outlet 913; a plurality of air inlet holes 211 are formed in the circular knife net piece 21, and the air inlet holes 211 form the air inlet; the circular knife net piece 21 is fixed above the circular knife seat 23, and the circular knife seat 23 is detachably and fixedly connected with the upper end of the shell 1, so that an independent first chamber is formed between the shell 1 and the circular knife seat 23, and the first chamber forms the air suction chamber 910; the lower end of the shell 1 is provided with a bin cover plate 11, the bin cover plate 11 is detachably clamped with the shell 1 to form an independent second chamber between the bin cover plate 11 and the shell 1, the second chamber forms the storage chamber 912, a ventilation opening 914 is arranged between the storage chamber 912 and the air suction chamber 910, and the ventilation opening 914 enables the storage chamber 912 and the air suction chamber 910 to be communicated with each other; the air outlet 913 is provided in the bin cover 11 to communicate the storage chamber 912 with the outside. Because long and short fluff fibers or hair bulbs can be conveniently trimmed by the circular knife head 22 only when entering the circular knife net piece 21 in the process of trimming the long and short fluff fibers or hair bulbs, the circular knife net piece 21 is provided with the plurality of inlet holes 211 which can not only be used for cutting the long and short fluff fibers or hair bulbs by matching with the circular knife head 22, but also be used as an air inlet for absorbing the long and short fluff fibers or hair bulbs attached to the surface of the fabric to quickly enter the inlet holes 211; of course, the air inlet may be provided on the side wall of the casing 1, but the air inlet may not be provided on the side wall of the casing 1 to suck fluff or fluff balls, and thus the air inlet hole 211 is a preferred embodiment. In the use process, the driving mechanism 3 rotates to drive the impeller 92 and the circular cutter 22 to rotate, the impeller 92 generates an induced draft effect in the rotating process to enable long and short fluff or hair balls on the surface of the fabric to quickly enter the inlet holes 211 of the circular cutter mesh 21, the circular cutter 22 is adhered to the bottom of the circular cutter mesh 21 in the rotating process and cuts off the long and short fluff or hair balls entering the circular cutter mesh 21 in the rotating process, the cut long and short fluff or hair balls fall into the air draft chamber 910, and enter the storage chamber 912 through the ventilation opening 914 under the induced draft effect of the impeller 92 and the acting force of air flow, the cut long and short fluff or hair balls are collected in the storage chamber 912 through the obstruction of the storage chamber 912, and the flowing air compressed by the impeller 92 is discharged out of the storage chamber 912 through the air outlet 913 to form the air duct 91.

In this embodiment, in order to facilitate the installation and fixation of the impeller 92, the impeller 92 is installed in the air suction chamber 910, the impeller 92 includes an impeller body 921, impeller blades 922 and a positioning column 923, the positioning column 923 is connected with the first output shaft 31 of the driving mechanism 3 and concentrically arranged, the impeller body 921 is installed at the lower end of the positioning column 923 and is integrally structured with the positioning column 923, the impeller blades 922 are provided with a plurality of blades and are obliquely fixed around the impeller body 921, and the circular cutter head 22 is sleeved outside the positioning column 923 and is connected with the positioning column 923 in a linkage manner. The impeller 92 is arranged in the air suction chamber 910 and is fixedly connected with the driving mechanism 3 in a coaxial way, the round cutter head 22 is fixed on the positioning column 923 of the impeller 92, and when the driving mechanism 3 rotates, the first output shaft 31 can synchronously drive the impeller 92 and the round cutter head 22 to rotate, so that the impeller 92 can be conveniently and fixedly arranged, meanwhile, the working stability of the round cutter head 22 can be ensured, and the hairball trimming effect can be ensured.

In this embodiment, the housing 1 includes a main body 12, a bottom cover 13 and a circular base 14, the sliding slot 81 or the rotating platform 82 is disposed on the bottom cover 13, the main body 12 includes a bottom plate 121 and a top plate 122 with a major arc shape, the top plate 122 is vertically communicated with the inside of the top plate 122, the bin cover 11 is covered on the bottom plate 121 to form a storage chamber 912, the bin cover 11 is detachably clamped with the bottom plate 121, the circular base 14 is detachably fixed in the top plate 122, the circular base 23 is detachably fixed on the circular base 14 to form an air suction chamber 910 between the circular base 14 and the circular base 23, the bottom cover 13 is covered on the bottom of the main body 12 to form a third chamber between the main body 12 and the bottom cover 13, the driving mechanism 3 is disposed in the third chamber, the first output shaft 31 is disposed in the circular base 14 through the circular base 14 to be fixedly connected with the impeller 92, and the second output shaft 32 is fixedly connected with the eccentric wheel 5 through the bottom cover 13. The bin cover plate 11 is covered above the bottom plate 121 of the body 12, so that a storage chamber 912 is formed in the shell 1, thereby being convenient for collecting and uniformly cleaning the cut long and short fluff or hair bulb, effectively avoiding the cut long and short fluff or hair bulb from falling out of disorder everywhere, and ensuring the cleanness and sanitation of the hair bulb trimmer when in use. The coaming 122 is additionally arranged on the bottom plate 121 of the body 12, and the circular base 14 is detachably fixed in the coaming 122, so that an air suction chamber 910 is formed between the circular base 14 and the circular base 23 under the cooperation of the circular base 23, and the air suction chamber 910 is arranged for facilitating the installation of the impeller 92 and the circular cutter head 22 and simultaneously playing a sealing effect, so that the air duct 91 is ensured to be sealed smoothly; the bottom cover 13 is fixedly installed below the bottom plate 121 of the body 12 to form a third chamber, so that the driving mechanism 3 can be installed in the third chamber, and the driving mechanism 3 can be isolated and protected through the third chamber, so that dust or rainwater can be effectively prevented from entering and damaging the driving mechanism 3. The sliding groove 81, the shaft hole 821 and the rotary table 82 are provided on the bottom cover 13, and the second output shaft 32 is disposed above the rotary table 82 through the bottom cover 13.

In this embodiment, the bin cover plate 11 includes a panel 111 and a bin plate 112, a plurality of sliding blocks 113 are disposed on the upper surface of the panel 111, and the sliding blocks 113 and the panel 111 are in an integral structure; the air outlet 913 is arranged at the tail of the panel 111, the bin plate 112 is arranged in the panel 111, the three side walls of the bin plate 112 are connected with the inner wall of the panel 111 and are of an integrated structure, so that the bin plate 112 and the panel 111 form the storage chamber 912, one end, close to the inner side of the storage chamber 912, of the bin plate 112 is provided with a plurality of air outlet 114, and the air outlet 114 is communicated with the air outlet 913 at the tail of the panel 111; the panel 111 is covered above the step 124, and the clamping blocks 115 on the two sides are clamped into the clamping grooves 123 to connect the panel 111 with the detachable buckle of the body 12. The bin cover plate 11 is arranged into two parts, namely the bin plate 112 and the panel 111, the bin plate 112 is arranged in the panel 111, and three side walls of the bin plate 112 are connected with the panel 111 to form a storage chamber 912 between the panel 111 and the bin plate 112, so that after collected long and short fluff or fluff balls enter the storage chamber 912, the bin cover plate 11 can be separated from the body 12 by pressing the sliding block 113, thereby being convenient for cleaning the long and short fluff or fluff balls cut off by the fluff ball trimmer or cleaning the storage chamber 912 and ensuring the use sanitation of the fluff ball trimmer. Of course, the bottom plate 121 of the main body 12 may be used as a bin plate, and the periphery of the panel 111 and the bottom plate 121 form a sealing and fastening connection, so that the same purpose can be achieved. The air outlet holes 114 are formed in the end, close to the inner side of the storage chamber 912, of the bin plate 112, the air outlet holes 114 are communicated with the air outlet holes 913 in the tail portion of the panel 111, and the air outlet holes 114 are formed in the end, close to the inner side of the storage chamber 912, of the bin plate 112, when the impeller 92 pushes cut long and short fluff or hair balls into the storage chamber 912, air extruded by the impeller 92 can be discharged out of the storage chamber 912 through the air outlet holes 114 through the air outlet holes 913, and the cut long and short fluff or hair balls are blocked by the air outlet holes 114 and are collected in the storage chamber 912 in a concentrated mode, so that the disordered scattering of the cut long and short fluff or hair balls is effectively avoided. The panel 111 is covered above the step 124, and the clamping blocks 115 on the two sides are clamped into the clamping grooves 123 to connect the panel 111 with the detachable buckle of the body 12.

The above embodiments should not be construed as limiting the invention, but any modifications based on the spirit of the invention should be within the scope of the invention.

Claims

1. The utility model provides a hair bulb trimmer of rear-mounted push broach, includes casing and installs circular knife subassembly and actuating mechanism in the casing, circular knife subassembly include circular knife net piece, circular knife head and circular knife holder, circular knife holder links to each other with the casing and circular knife net piece installs on circular knife holder, actuating mechanism arranges in the casing, circular knife head and actuating mechanism fixed connection; the driving mechanism is a double-shaft motor, the circular cutter head is fixedly connected with a first output shaft, and an eccentric wheel is fixedly arranged on a second output shaft; the device also comprises a push-broach assembly, wherein the push-broach assembly is arranged on a push-broach seat, the push-broach seat is arranged at the back of the shell, a swing arm is arranged between the eccentric wheel and the push-broach assembly, one end of the swing arm is hinged in the push-broach seat and is synchronously linked with the eccentric wheel, and the other end of the swing arm is in linkage connection with the push-broach assembly; the first output shaft of the driving mechanism drives the circular knife assembly to rotate, and the second output shaft can synchronously drive the eccentric wheel to enable the swing arm to swing in a reciprocating manner so as to drive the push knife assembly to reciprocate in a straight line.

2. The hair bulb trimmer of claim 1, wherein the swing arm has a slot at one end thereof with a width matching the eccentric and is sleeved outside the eccentric for synchronous linkage with the eccentric.

3. The hair bulb trimmer of a post-positioned push broach according to claim 1, wherein the push broach assembly comprises a static tool bit, a movable tool bit and an elastic piece, wherein the static tool bit is in limit connection with the push broach seat, one side of the static tool bit is arranged outside the push broach seat and provided with a plurality of trimming teeth, the movable tool bit is arranged below the static tool bit and provided with a plurality of trimming teeth and is fixed on the upper end surface of the movable tool bit, and the elastic piece is arranged at the bottom of the movable tool bit and is fixedly connected with the push broach seat so that the movable tool bit, the movable tool bit and the static tool bit end surfaces are sequentially attached; the swing arm is connected with the movable cutter seat in a linkage way, and when the second output shaft drives the eccentric wheel to rotate, the swing arm can drive the movable cutter seat and the movable cutter head to horizontally reciprocate along the end face of the static cutter head.

4. The hair bulb trimmer of the rear push broach according to claim 3, wherein the push broach base is provided with a hook, the elastic piece comprises a hanging lug and elastic pieces with two ends bent upwards, the hanging lug is arranged on two sides of the middle of the elastic pieces and is in an integral structure with the elastic pieces, and the hanging lug penetrates through the movable tool base and the movable tool bit to be hooked with the hook penetrating through the static tool bit so as to enable the end faces of trimming teeth of the movable tool bit and the static tool bit to be attached.

5. The hair bulb trimmer of a post-positioned push broach of claim 4, characterized in that two sides of the hook at the bottom end surface of the push broach base are respectively provided with a limit boss, a guide slot is arranged in the limit boss, a limit square hole and a through hole matched with the limit boss are correspondingly arranged on the static tool bit, and the limit square hole is sleeved outside the limit boss to limit the connection between the static tool bit and the push broach base; the movable cutter head and the movable cutter seat are respectively provided with a connecting hole, two sides of the connecting hole of the movable cutter head are provided with limiting column holes, two sides of the connecting hole of the movable cutter seat are provided with limiting columns, the limiting columns respectively penetrate through the limiting column holes and are arranged in the guide grooves of the limiting bosses of the static cutter head, and the hanging lugs penetrate through the connecting holes and are connected with the hanging hooks penetrating through the through holes in a hooking mode.

6. The hair bulb trimmer of any one of claims 1-5, wherein the pusher base is movable up and down along the back of the housing under an external force to separate or synchronize the swing arm with the eccentric.

7. The hair bulb trimmer of the rear push broach as in claim 6, characterized in that a stop slot is provided above the swing arm elongated hole and is in communication with the elongated hole, the length and width of the stop slot being greater than the peripheral rotation track of the eccentric wheel; the back of the shell is provided with a sliding groove which is communicated up and down, and the side wall of the sliding groove is provided with a supporting edge; the edge of bottom both sides of pushing away the blade holder be equipped with a plurality of pothooks, pushing away the blade holder place hold in the palm limit terminal surface on the pothook catch hold in the palm limit bottom make pushing away the blade holder and be hooked with the casing and be connected, pushing away the blade holder can be followed the groove of sliding and reciprocate and make the eccentric wheel have and arrange in rectangular downthehole first working position and the swing arm linkage of being connected and the eccentric wheel and arrange in the stop slotted hole and make swing arm and eccentric wheel phase separation's second working position.

8. The hair bulb trimmer of claim 7, wherein the supporting edge comprises a sliding platform and a supporting edge body, a fixed bottom plate is arranged on the supporting edge body, a plurality of clamping hooks and riveting holes are formed in the edge of the bottom of the fixed bottom plate, the clamping hooks are hooked and connected with the supporting edge body, a clamping plate is arranged at the inner side end of the push-broach seat, a plurality of riveting columns are arranged at the bottom of the push-broach seat, the push-broach seat is arranged on the sliding platform, the clamping hooks are hooked and connected with the sliding platform, the clamping plates are inserted into the side walls of the sliding groove, and the riveting columns are inserted into the riveting holes of the fixed bottom plate and are fixed in a hot riveting mode to enable the push-broach seat and the fixed bottom plate to form a whole.

9. The hair bulb trimmer of any one of claims 1-5, wherein the pusher element is free to rotate 360 ° along the second output shaft on the back of the housing under external force.

10. The hair bulb trimmer of claim 9, wherein a rotary platform is arranged at the back of the shell, a shaft hole coaxial with the second output shaft is arranged on the rotary platform, a coaxial annular groove is arranged outside the shaft hole, and a plurality of clamping tables are arranged on the inner side wall of the annular groove and are of an integrated structure with the shell; a rotary base is arranged in the annular groove, the rotary base is sleeved outside the shaft hole, a plurality of clamping hooks are arranged on the outer side wall of the rotary base, a spring is arranged between the rotary base and the shaft hole, the spring is sleeved outside the shaft hole, and two ends of the spring are respectively propped against the rotary bottom plate arranged on the upper end face of the rotary base and the bottom end face of the annular groove to enable the clamping hooks to be in contact with the end face of the clamping table, and the rotary base is movably fixed in the annular groove; the upper end face of the rotating base is provided with a rotating bottom plate, the rotating bottom plate is provided with a transmission hole, the size of the rotating bottom plate is matched with that of the pushing tool rest, the pushing tool rest is fixed above the rotating bottom plate, and the second output shaft penetrates through the transmission hole and is arranged in the pushing tool rest and fixedly connected with the eccentric wheel.

11. The hair bulb trimmer of claim 8 or 10, wherein the housing is provided with an air suction mechanism comprising an air duct and an impeller, the air duct being disposed in the housing, the impeller being mounted in the air duct and below the circular cutter head and fixedly connected to the first output shaft of the drive mechanism.

12. The hair bulb trimmer of claim 11, wherein the air duct comprises an air inlet, an air suction chamber, a storage chamber and an air outlet; a plurality of pore-entering holes are arranged on the circular knife net piece, and the pore-entering holes form the air inlet; the circular knife net piece is fixed above the circular knife seat, and the circular knife seat is detachably and fixedly connected with the upper end of the shell, so that an independent first cavity is formed between the shell and the circular knife seat, and the first cavity forms the air suction chamber; the lower end of the shell is provided with a bin cover plate, the bin cover plate is detachably clamped with the shell to form an independent second chamber between the bin cover plate and the shell, the second chamber forms the storage chamber, a ventilation opening is arranged between the storage chamber and the air suction chamber, and the storage chamber and the air suction chamber are mutually communicated through the ventilation opening; the air outlet is arranged on the bin cover plate to enable the storage chamber to be communicated with the outside.

13. The hair bulb trimmer of claim 12, wherein the impeller is mounted in the suction chamber, the impeller comprises an impeller body, impeller blades and a positioning column, the positioning column is connected with the first output shaft of the driving mechanism and concentrically arranged, the impeller body is mounted at the lower end of the positioning column and integrally structured with the positioning column, the impeller blades are provided with a plurality of blades and are obliquely fixed on the periphery of the impeller body, and the circular cutter is sleeved outside the positioning column and is connected with the positioning column in a linkage manner.

14. The hair bulb trimmer of claim 13, wherein the housing comprises a body, a bottom cover and a circular base, the sliding groove or the rotating platform is arranged on the bottom cover, the body comprises a bottom plate and a top plate which is in a shape of a major arc, the top plate is communicated with the bottom plate in an up-down mode, the bin cover plate is covered on the bottom plate to form a storage chamber, the bin cover plate is detachably clamped with the bottom plate in a sliding mode, the circular base is detachably fixed in the top plate, the circular base is detachably fixed on the circular base to form an air suction chamber between the circular base and the circular base, the bottom cover is covered on the bottom of the body to form a third chamber between the body and the bottom cover, the driving mechanism is arranged in the third chamber, the first output shaft penetrates through the circular base to be arranged in the circular base and is fixedly connected with the impeller, and the second output shaft penetrates through the bottom cover and is fixedly connected with the eccentric wheel.

15. The hair bulb trimmer of claim 14, wherein the cover plate comprises a panel and a cover plate, and a plurality of sliding blocks are arranged on the upper surface of the panel, and the sliding blocks and the panel are in an integral structure; the air outlet is arranged at the tail part of the panel, the bin plate is arranged in the panel, three side walls of the bin plate are connected with the inner wall of the panel and are of an integrated structure, so that a storage chamber is formed between the bin plate and the panel, one end, close to the inner side of the storage chamber, of the bin plate is provided with a plurality of air exhaust holes, and the air exhaust holes are communicated with the air outlet at the tail part of the panel; the panel cover is arranged above the step and the clamping blocks on the two sides are clamped into the clamping grooves, so that the panel is connected with the detachable buckle of the body.