CN214924640U

CN214924640U - Swing mechanism and shaving tool

Info

Publication number: CN214924640U
Application number: CN202120727863.4U
Authority: CN
Inventors: 不公告发明人
Original assignee: ZHEJIANG HAISHUN ELECTRICAL CO Ltd
Current assignee: ZHEJIANG HAISHUN ELECTRICAL CO Ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-11-30
Anticipated expiration: 2031-04-09

Abstract

The utility model relates to a swing mechanism and instrument of shaving, its characterized in that the casing in be equipped with stop gear, swing seat can follow stop gear horizontal reciprocating motion and move with stop gear and be connected under the actuating mechanism drive. The beneficial effects of the utility model are that establish stop gear through adding in the casing to make swing seat and stop gear move and be connected, when actuating mechanism starts, just can drive swing seat along stop gear horizontal reciprocating motion, avoided the swing seat in the twinkling of an eye that actuating mechanism starts to take place to twist reverse or the drunkenness, prevent to move the cutting edge extrusion still sheet net piece and the quiet sword lateral wall of sword, reduce the noise of shaving the instrument and slow down the cutting edge wearing and tearing of blade, the extension moves the life of sword and promotes the whole comfort level of shaving the instrument.

Description

Swing mechanism and shaving tool

Technical Field

The utility model relates to a swing mechanism, more specifically the swing mechanism who relates to a be used for on hair clipper that says so.

Background

The invention patent of the applicant applied for 5, month and 10 in 2012 is a shaver and a cutter head device thereof, and the publication number is as follows: CN 102642213B describes a swing mechanism comprising a first swing frame (13) and a second swing frame (14), in which the first swing frame (13) and the second swing frame (14) are driven by an eccentric shaft to horizontally swing back and forth, so that the moving blade horizontally swings back and forth along the stationary blade mesh to cut hair. Secondly, the document also discloses that two sides of the first swing frame (13) and the second swing frame (14) are respectively provided with a connecting part (161) and a spring part (162) to ensure that the first swing frame (13) and the second swing frame (14) are integrally W-shaped, although the connecting part (161) and the spring part (162) can be utilized to fixedly connect the first swing frame (13) and the second swing frame (14) with the machine body; however, as the elastic sheet is thin and can only provide weak elastic force to keep the connection and reset between the first swing frame (13) and the second swing frame (14) and the machine body, when the eccentric shaft drives the first swing frame (13) to swing, at the moment when the eccentric shaft contacts with the first swing frame (13), centrifugal force generated by rotation of the eccentric shaft can enable one side of the first swing frame (13) to be suddenly stressed, and after the rotating centrifugal force overcomes the elastic force of the elastic sheet part (162), the first swing frame (13) can also be twisted or moved up and down (the twisting means that the first swing frame (13) is twisted along the rotation direction of the eccentric shaft), so that the blade is in contact with a static blade net sheet or a side wall, the shaving performance is influenced, the noise of the shaver is increased, the blade edge of the blade is quickly abraded, the temperature rise of the blade is improved, the service life of the blade is shortened, and the shaving comfort of the shaving tool is improved.

SUMMERY OF THE UTILITY MODEL

To solve the above technical problems; the utility model provides a swing mechanism and shaving instrument can prevent effectively through this swing mechanism that shaving instrument from moving the sword in the twinkling of an eye that starts and taking place to twist reverse or the drunkenness, has avoided the cutting edge extrusion still piece net piece and the quiet sword lateral wall that move the sword, reduces shaving instrument's noise and the cutting edge wearing and tearing that slow down the blade, prolongs the life of moving the sword and promotes shaving instrument's whole comfort level.

In order to solve the technical problems, the technical scheme adopted by the utility model is a swing mechanism, which comprises a swing seat, wherein the swing seat is arranged in a shell, the upper end of the swing seat is connected with a movable knife, and the lower end of the swing seat is connected with a driving mechanism arranged in the shell in a linkage way; the shell is internally provided with a limiting mechanism, and the swinging seat can horizontally reciprocate along the limiting mechanism under the driving of the driving mechanism and is movably connected with the limiting mechanism.

Preferably, a reset mechanism is further arranged in the shell and is arranged between the shell and the swing seat.

Preferably, the limiting mechanism is a sliding rod, sliding holes penetrating through two sides are formed in the swinging seat, and the sliding rod penetrates through two ends of the sliding holes and is fixedly connected with the shell respectively.

Preferably, the sliding rods on the two sides of the swinging seat are respectively sleeved with a return spring, one end of the return spring is abutted against the shell, and the other end of the return spring is abutted against and press-fitted with the side wall of the swinging seat; the reset spring forms the reset mechanism.

Preferably, the two sliding rods are provided, the cross sections of the two sliding rods are circular, the swing seat is correspondingly provided with two sliding holes, each sliding rod respectively penetrates through the sliding hole, and two ends of each sliding rod are respectively fixed with the shell; the sliding rods at the two ends of the swinging seat are respectively sleeved with a return spring; the reset spring forms the reset mechanism.

Preferably, the sliding rod is provided with one polygonal section which limits the swing seat to rotate along the axial direction of the sliding rod, and the section of the sliding hole in the swing seat is matched with the section of the sliding rod; the sliding rod penetrates through the sliding hole, and two ends of the sliding rod are respectively fixed with the shell; the slide bars at the two ends of the swing seat are respectively sleeved with a return spring.

Preferably, the cross section of the sliding rod is one of square, regular polygon or D shape.

Preferably, the upper end of the swing seat is provided with a connecting seat with an open slot, two sides of the open slot on the upper end face of the connecting seat are respectively provided with a chuck, the two chucks are arranged at intervals to enable the opening of the open slot to form opposite clamping teeth, and the upper end face and the lower end face of each clamping tooth are respectively provided with an inclined face; the lock shaft on the blade frame is clamped into the latch and is arranged in the open slot, and the connecting seat is sleeved with a propping spring, one end of the propping spring is propped and press-fitted with the lock shaft, so that the pin shaft is contacted with the lower end surface of the latch.

Preferably, the shell comprises an outer shell and an inner shell, wherein two sides of the upper end of the inner shell are provided with supports to form a swing groove between the two supports, the swing seat is arranged in the swing groove, and two ends of the sliding rod are respectively inserted into the supports to enable the swing seat to horizontally slide back and forth and be fixed with the inner shell.

On the basis of the above swing mechanism, the present applicant has also proposed a technical solution of a shaving tool including the above swing mechanism.

The utility model has the advantages that:

firstly, through adding in the casing and establishing stop gear to make swing seat and stop gear move and be connected, when actuating mechanism starts, just can drive swing seat along stop gear horizontal reciprocating motion, avoided taking place to twist reverse or the drunkenness in the twinkling of an eye that actuating mechanism started, prevent to move the cutting edge of sword and extrude still piece net piece and quiet sword lateral wall, reduce the noise of shaving instrument and slow down the cutting edge wearing and tearing of blade, the life of extension sword and the whole comfort level that promotes shaving instrument.

And secondly, the reset mechanism is arranged between the shell and the swing seat, the inertia of the swing seat during the direction-changing movement is buffered or counteracted by the elastic force of the reset mechanism, and the vibration generated by the instantaneous direction-changing moving blade is reduced, so that the vibration sense of the whole machine is reduced, and the use comfort of the shaving tool is improved.

Third, through set up the connecting seat of taking the open slot on swing seat, just during the assembly can utilize the round pin hub connection to move the both sides of sword and make the centre of round pin axle arrange the open slot in, add above the open slot simultaneously and establish the chuck and support the pressure spring, utilize the chuck to injectd the round pin axle, utilize to support and press the spring to realize sliding downwards and reseing of round pin axle, guaranteed that the cutting edge of blade is laminated with quiet sword net piece all the time and automatic downward sliding when the atress, realized the unsteady and automatic re-setting of sword, promoted the shaving performance and the safety in utilization of moving the sword.

Drawings

FIG. 1 is a cross-sectional structural view of a shaving tool according to an embodiment of the present invention

FIG. 2 is a three-dimensional installation structure diagram of the swing mechanism in the embodiment of the present invention

FIG. 3 is a perspective view of the swing seat according to the embodiment of the present invention

FIG. 4 is a perspective view of the inner housing in the embodiment of the present invention

Detailed Description

The embodiments of the present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1-4, the utility model relates to a swing mechanism, which comprises a swing seat 1, wherein the swing seat 1 is arranged in a shell 2, the upper end of the swing seat is connected with a movable knife 3, and the lower end of the swing seat is connected with a driving mechanism 4 arranged in the shell 2 in a linkage way; the shell 2 is internally provided with a limiting mechanism 5, and the swinging seat 1 can horizontally reciprocate along the limiting mechanism 5 under the driving of the driving mechanism 4 and is movably connected with the limiting mechanism 5. Through adding in casing 2 and establishing stop gear 5 to make swing seat 1 and stop gear 5 move and be connected, when actuating mechanism 4 starts, just can drive swing seat 1 along 5 horizontal reciprocating motion of stop gear, avoided swinging seat 1 in the twinkling of an eye that actuating mechanism 4 starts and taking place to twist reverse or the drunkenness, prevent that the cutting edge that moves sword 3 from extrudeing stator net piece and quiet sword lateral wall, effectively reduce shaving tool's noise at work and slow down the cutting edge wearing and tearing that move sword 3, the life of extension moves sword 3 and promotes shaving tool's whole comfort level.

When the reciprocating type hair shaving tool is used, the vibration feeling of the reciprocating type hair shaving tool mainly comes from the driving motor 41 of the driving mechanism 4, but when the driving motor 41 drives the swinging seat 1 to swing in a reciprocating mode through the eccentric shaft 42, under the influence of unidirectional motion inertia, a large vibration feeling can be generated at the moment that the direction of the swinging seat 1 is changed, and therefore the using comfort degree of the hair shaving tool is directly improved. The technical problems of large vibration sense and poor comfort when the shaving tool is used are solved; a reset mechanism is also arranged in the shell 2 and is arranged between the shell 2 and the swinging seat 1. The reset mechanism is arranged between the shell 2 and the swing seat 1, the inertia of the swing seat 1 during the direction changing movement is buffered and counteracted by the elasticity of the reset mechanism, and the vibration generated by the instantaneous direction changing knife 3 is reduced, so that the vibration feeling of the whole machine is reduced, and the use comfort of the shaving tool is improved.

In order to prevent the swinging seat 1 from twisting and shifting in the horizontal reciprocating swinging process, the limiting mechanism 5 is a sliding rod 5, sliding holes 11 penetrating through two sides are formed in the swinging seat 1, and the sliding rod 5 penetrates through two ends of the sliding holes 11 and is fixedly connected with the shell 2 respectively. Through set up slide opening 11 in swing seat 1 to install slide bar 5 in slide opening 11, when actuating mechanism 4 drove swing seat 1 reciprocal swing, slide bar 5 just can play guide and restriction effect, effectively prevents that swing seat 1 from taking place to twist reverse and drunkenness at reciprocal swing in-process, avoids moving the cutting edge of sword 3 and quiet sword net piece and quiet sword lateral wall excessively to contact because of twisting reverse and drunkenness, improves the cutting edge life and the noise reduction of moving sword 3. For the purpose of this disclosure, the slide hole 11 may not be provided in the swing base 1, for example, guide grooves may be provided on both sides or one side wall of the swing base 1 and both sides of the housing 2, and the guide grooves connecting the housing 2 and the swing base 1 by sliding members such as roller pins or balls may also prevent the swing base 1 from twisting and moving during the reciprocating swing, but the slide hole 11 and the slide rod 5 are provided to facilitate the production and assembly, and thus, the embodiment of this embodiment is a preferred embodiment.

In order to buffer the inertia of the swinging seat 1 in the direction-changing movement to the maximum extent and reduce the vibration effect, the sliding rods 5 at the two sides of the swinging seat 1 are respectively sleeved with a return spring 6, one end of the return spring 6 is pressed against the shell 2, and the other end of the return spring is pressed against the side wall of the swinging seat 1; the return spring 6 constitutes the return mechanism. The spring is selected for the reset mechanism, and the spring is easy to install outside the sliding rod 5, so that the production, the processing and the assembly are convenient. Of course, other structures can be adopted, for example, tension springs are adopted on two sides of the swing seat 1 to be connected with the side wall of the shell 2 or elastic pieces are used for connecting the swing seat 1 and the shell 2, and the swing seat 1 and the shell 2 play a role in buffering the motion inertia of the swing seat 1, so that the purpose of reducing the vibration sense is achieved. However, the return spring 6 is a standard component that is easily purchased and easily assembled, and therefore, the embodiment of the present embodiment is a preferred embodiment.

In order to prevent the swing seat 1 from deflecting in the process of reciprocating swing driven by the driving mechanism 4, so that the movable knife 3 is contacted with the side wall of the static knife net sheet to damage the knife edge and influence the shaving performance, the two sliding rods 5 are provided with circular sections, two sliding holes 11 are correspondingly arranged on the swing seat 1, each sliding rod 5 respectively penetrates through the sliding hole 11, and two ends of each sliding rod 5 are respectively fixed with the shell 2; the slide bars 5 at the two ends of the swing seat 1 are respectively sleeved with a return spring 6. By arranging the two sliding rods 5 and enabling the sliding rods 5 to respectively penetrate through the corresponding sliding holes 11, when the swing seat 1 reciprocates, the swing seat 1 can be effectively prevented from inclining and deflecting, the movable knife 3 is prevented from touching the side wall of the net piece of the stationary knife in the reciprocating motion process, the service life of the cutting edge of the movable knife 3 is prolonged, noise can be reduced, the shaving benefit can be ensured, and the service life of the movable knife 3 and the shaving performance of a shaving tool are improved.

From the technical point of view to be achieved, only one slide bar 5 can be provided, and the same purpose can be achieved by changing the section of the slide bar 5. The applicant also provides a second embodiment, and the specific technical scheme is as follows: the sliding rod 5 is provided with a polygon the cross section of which is used for limiting the swinging seat 1 to rotate along the axial direction of the sliding rod 5, and the cross section of a sliding hole 11 in the swinging seat 1 is matched with the cross section of the sliding rod 5; the slide bar 5 passes through the slide hole 11 and two ends of the slide bar are respectively fixed with the shell 2; the slide bars 5 at the two ends of the swing seat 1 are respectively sleeved with a return spring 6. The section of the sliding rod 5 is set to be polygonal, and a sliding hole 11 in the swinging seat 1 is matched with the section of the sliding rod 5. Therefore, when the driving mechanism 4 drives the swing seat 1 to swing in a reciprocating manner, the sliding rod 5 with the polygonal section and the sliding hole 11 are matched to effectively prevent the swing seat 1 from inclining and deflecting, so that the movable knife 3 is prevented from touching the side wall of the net sheet of the stationary knife in the reciprocating movement process, the service life of the cutting edge of the movable knife 3 is prolonged, noise can be reduced, the shaving benefit can be ensured, and the service life of the movable knife 3 and the shaving performance of a shaving tool are improved.

When a sliding rod 5 is adopted, in order to avoid the swinging seat 1 from inclining and deflecting along the axial direction of the sliding rod 5, the cross section of the sliding rod 5 is one of square, regular polygon or D shape. The section for limiting the inclined deflection of the swing seat 1 in the reciprocating process is various, for example, the slide rod 5 with a square section, a regular polygon or a D-shaped section applied to the motor rotating shaft can be realized, and the specific section adopted can be determined according to the actual situation, and the embodiment is not further limited.

When the shaving tool is used, the static cutter mesh is more or less extruded or pressed by some external force, in order to prevent the cutting edge of the movable cutter 3 from being damaged when the static cutter mesh is stressed, the upper end of the swing seat 1 is provided with a connecting seat 12 with an opening groove 13, two sides of the opening groove 13 on the upper end surface of the connecting seat 12 are respectively provided with a chuck 14, the two chucks 14 are arranged at intervals to enable the opening of the opening groove 13 to form opposite clamping teeth 15, and the upper end surface and the lower end surface of each clamping tooth 15 are respectively provided with an inclined surface; the pin shaft 17 on the movable blade 3 is clamped into the latch 15 and is arranged in the open slot 13, a pressing spring 18 is sleeved outside the connecting seat 12, and one end of the pressing spring 18 is pressed against the pin shaft 17 to enable the pin shaft 17 to be in contact with the lower end face of the latch 15. By arranging the connecting seat 12 with the opening groove 13 on the swing seat 1, the two sides of the movable blade 3 can be connected by the pin shaft 17 during assembly, so that the middle of the pin shaft 17 is arranged in the opening groove 13, meanwhile, the chuck 14 is additionally arranged above the opening groove 13, the pin shaft 17 is limited by the chuck 14, the pin shaft 17 is prevented from being separated from the opening groove 13, and the movable blade 3 is movably connected with the connecting seat 12. Since the pin shaft 17 of the movable blade 3 is fixed in the open slot 13 through the latch 15 on the chuck 14, in order to keep the cutting edge of the movable blade 3 always attached to the static blade mesh to ensure the shaving performance, the pressing spring 18 is arranged outside the connecting seat 12, the pin shaft 17 is always contacted with the lower end surface of the latch 15 by using the pressing spring 18, when the static blade mesh is stressed, the movable blade 3 can slide downwards along the open slot 13 through the pin shaft 17, and the safety of the cutting edge of the movable blade 3 is ensured. When the external force disappears, the pressing spring 18 resets to synchronously press the pin shaft 17 to slide upwards so that the pin shaft 17 is contacted with the lower end surface of the latch 15, at the moment, the cutting edge of the movable blade 3 recovers to be contacted with the static blade mesh, the up-and-down floating and automatic resetting of the movable blade 3 are realized, and the shaving performance and the use safety of the movable blade 3 are improved.

In order to facilitate production and processing and assembly of the sliding rod 5, the housing 2 comprises an outer housing 21 and an inner housing 22, wherein two sides of the upper end of the inner housing 22 are provided with supports 23 to form a swing groove between the two supports 23, the swing seat 1 is arranged in the swing groove, and two ends of the sliding rod 5 are respectively inserted into the supports 23 to enable the swing seat 1 to horizontally slide back and forth and be fixed with the inner housing 22. By providing the outer housing 21 and the inner housing 22, the components of the shaving tool can be fixed in the inner housing 22 during assembly, and the outer housing 21 is disposed outside the inner housing 22 to form a waterproof seal for the housing 2 of the shaving tool, thereby protecting the components in the inner housing 22 from being used safely. The upper end face of the inner shell 22 is additionally provided with the support 23, the support 23 is provided with the pin hole 24 matched with the slide rod 5, one end of the slide rod 5 can firstly penetrate through the pin hole 24 on the support 23 during assembly, then the support 23 is sleeved with the return spring 6, then the slide rod 5 penetrates through the slide hole 11 of the swing seat 1, and finally the return spring 6 is sleeved outside the slide rod 5 and inserted into the pin hole 24 of the other support 23, so that the assembly process of the swing seat 1 is completed.

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

Claims

1. A swing mechanism comprises a swing seat, the swing seat is arranged in a shell, the upper end of the swing seat is connected with a movable knife, and the lower end of the swing seat is connected with a driving mechanism arranged in the shell in a linkage manner; the device is characterized in that a limiting mechanism is arranged in the shell, and the swinging seat can horizontally reciprocate along the limiting mechanism under the driving of the driving mechanism and is movably connected with the limiting mechanism.

2. The rocking mechanism of claim 1, further comprising a return mechanism disposed within the housing and disposed between the housing and the rocking platform.

3. The swing mechanism according to claim 2, wherein the limiting mechanism is a slide rod, a slide hole is formed in the swing base and extends through both sides of the slide rod, and the slide rod passes through both ends of the slide hole and is fixedly connected to the housing.

4. The oscillating mechanism according to claim 3, wherein the slide rods at both sides of the oscillating base are respectively sleeved with a return spring, one end of the return spring is pressed against the housing, and the other end of the return spring is pressed against the side wall of the oscillating base; the reset spring forms the reset mechanism.

5. The swing mechanism as claimed in claim 4, wherein the two slide rods are provided and have a circular cross section, the swing base is correspondingly provided with two slide holes, each slide rod passes through the slide hole, and two ends of each slide rod are respectively fixed with the housing; the slide bars at the two ends of the swing seat are respectively sleeved with a return spring.

6. The swing mechanism as claimed in claim 4, wherein the slide rod is provided with a polygonal cross section for limiting the swing seat to rotate along the axial direction of the slide rod, and the cross section of the slide hole in the swing seat is matched with the cross section of the slide rod; the sliding rod penetrates through the sliding hole, and two ends of the sliding rod are respectively fixed with the shell; the sliding rods at the two ends of the swinging seat are respectively sleeved with a return spring; the reset spring forms the reset mechanism.

7. An oscillating mechanism according to claim 6, wherein the cross-section of the slide bar is one of square, regular polygon or D-shape.

8. The swing mechanism according to claim 1, wherein the upper end of the swing seat is provided with a connecting seat with an opening slot, two sides of the opening slot on the upper end surface of the connecting seat are respectively provided with a chuck, the two chucks are arranged at intervals to enable the opening of the opening slot to form opposite latch teeth, and the upper end surface and the lower end surface of the latch teeth are respectively provided with an inclined surface; the lock shaft on the blade frame is clamped into the latch and is arranged in the open slot, and the connecting seat is sleeved with a propping spring, one end of the propping spring is propped and press-fitted with the lock shaft, so that the pin shaft is contacted with the lower end surface of the latch.

9. The swing mechanism according to any one of claims 1 to 8, wherein the housing comprises an outer housing and an inner housing, the inner housing is provided with supports at both sides of the upper end thereof to form a swing groove between the supports, the swing seat is disposed in the swing groove, and the two ends of the sliding rod are respectively inserted into the supports to enable the swing seat to horizontally slide back and forth and fixed with the inner housing.

10. A shaving tool, characterized in that it comprises a rocking mechanism as claimed in any one of claims 1 to 9.