TWI663032B - Hair-cutting scissor - Google Patents

Abstract

The invention relates to a hairdressing scissors, comprising: a first blade; a second blade including a non-circular hole; an adjusting mechanism including an adjusting member rotatably provided on the first blade and a lock A fastener and a pressing part, the adjusting member includes an eccentric structure, the locking member is provided with a connection structure, one of the eccentric structure and the connection structure includes a pivot hole, and the other includes a penetrating first blade and the non- A circular hole is connected to the pivot post of the pivot hole, one of the eccentric structure and the connection structure further includes a shaft portion passing through and matching the shape of the non-circular hole, and the pressing portion is provided on the second blade edge and the lock Between the fasteners, one of the locking member and the pressing portion is provided with a ring tooth end surface, and the other is provided with a latching structure which can be forced against the ring tooth end surface.

Description

Hairdressing scissors

The invention relates to a scissors for hair cutting.

Modern people are becoming more and more particular about hair styles. They are no longer just neat and clean, but rather stylish and design. Therefore, there are many types of scissors on the market, such as tooth scissors, flat scissors, thinning knives, etc. to meet the needs of the hair cutting industry.

Scissors of the prior art include two blade bodies and a pivot joint. The pivot members include a lock lever and a lock member. The lock lever passes through the two blade bodies, and the lock member is locked on the lock lever to pivot the joint. The two knife body. When the scissors are in use, the two blades are opened and closed relative to each other to cut the hair. However, the scissors of the conventional technology are only connected by the lock lever and the lock member, and the lock lever is in the shape of a round bar, which easily causes the lock member to rotate and loosen when the two knife bodies are pivoted.

Therefore, it is necessary to provide a novel and improved hair cutting scissors to solve the above problems.

The main object of the present invention is to provide a scissors for hair cutting, in which the first blade and the second blade are firmly pivoted and opened and closed smoothly.

To achieve the above object, the present invention provides a hairdressing scissors, including: a first blade including a plurality of blade portions; a second blade including a plurality of blade portions and a non-circular hole, the blade portion of the first blade An adjustment mechanism includes an adjustment member rotatably disposed on the first blade edge, a locking member, and a pressing portion. The adjustment member includes an eccentric structure. The locking member is provided with a connection structure. One of the eccentric structure and the connection structure includes a pivot hole, and the other includes a pivot post penetrating the first blade and the non-circular hole and connected to the pivot hole. The eccentric structure and One of the connecting structures further includes a shaft portion penetrating and matching the shape of the non-circular hole. The pressing portion is provided between the second blade and the locking member. One of the locking member and the pressing portion. An annular tooth end surface is provided, and the other is provided with a latching structure that can be forced against the annular tooth end surface; wherein the pressing portion is a deformable shim, the shim includes a thick section and a thin section, The latching structure is provided on a thin section of the gasket; the thin It was spaced from the second edge.

1‧‧‧Hair Clippers

10‧‧‧ First Blade

12‧‧‧ Shaft hole

13‧‧‧ball

14‧‧‧Small convex teeth

15‧‧‧large convex teeth

16‧‧‧Ditch

20‧‧‧Second Blade

11,21‧‧‧Blade

22‧‧‧ Non-circular hole

23‧‧‧container

30‧‧‧ adjustment agency

31‧‧‧Adjustment

311‧‧‧ positioning groove

312‧‧‧ convex post

32‧‧‧lock firmware

321‧‧‧ Tooth Face

322‧‧‧concave

34‧‧‧eccentric structure

341‧‧‧Through Hole

342‧‧‧Pivot

343‧‧‧large diameter hole

344‧‧‧Small diameter hole

345‧‧‧ taper hole

35‧‧‧ Connection structure

36‧‧‧ Pivot

37‧‧‧ Pivot

38‧‧‧ header

381‧‧‧ figure

39‧‧‧convex

40‧‧‧ Shaft

50‧‧‧ Urgent Department

51‧‧‧Card Arrival Structure

52‧‧‧thick section

53‧‧‧ thin section

54‧‧‧ Film Department

55‧‧‧perforation

60‧‧‧Arc gasket

61‧‧‧ oblique concave surface

L1‧‧‧First direction

FIG. 1 is a schematic perspective view of a preferred embodiment of the present invention.

FIG. 2 is an exploded view of a preferred embodiment of the present invention.

FIG. 2A is another perspective view of an adjusting member according to a preferred embodiment of the present invention.

FIG. 2B is a perspective view of a locking member and a pressing portion according to a preferred embodiment of the present invention.

FIG. 3 is a partial enlarged view of a cutting edge portion of a first cutting edge according to a preferred embodiment of the present invention.

FIG. 4 is a sectional view of a preferred embodiment of the present invention.

FIG. 5 to FIG. 6 are diagrams of the use state of a preferred embodiment of the present invention.

7 to 8 are adjustment state diagrams of a preferred embodiment of the present invention.

The following only illustrates the possible implementation aspects of the present invention by way of examples, but is not intended to limit the scope of the present invention to be protected, which will be described first.

Please refer to FIGS. 1 to 8, which show a preferred embodiment of the present invention. The hairdressing scissors 1 of the present invention includes a first cutting edge 10, a second cutting edge 20 and an adjusting mechanism 30.

The first blade 10 includes a plurality of blade portions 11, and the plurality of blade portions 11 are disposed at intervals in a first direction L1. The second blade 20 includes a plurality of blade portions 21 and a non-circular hole 22. The plurality of blade portions 21. The first direction L1 is spaced from each other. The first direction L1 passes through the adjusting mechanism 30, and the blade portion 11 of the first blade edge 10 and the blade portion 21 of the second blade edge 20 are opposite and adjacent to each other; the adjustment mechanism 30 The adjusting member 31 includes a adjusting member 31 rotatably disposed on the first blade 10, a locking member 32, and a pressing portion 50. The adjusting member 31 includes an eccentric structure 34, and the locking member 32 is provided with a connecting structure 35. The eccentric structure One of the 34 and the connection structure 35 includes a pivot hole 36, and the other includes a pivot post 37 penetrating the first blade 10 and the non-circular hole 22 and connected to the pivot hole 36. In this embodiment, the eccentric structure 34 includes the pivot post 37, and the connection structure 35 includes the pivot hole 36. The pivot hole 36 and the pivot post 37 are screw-locked to each other, so that the first blade 10 and the first blade 10 The two blades 20 are pivotally connected in an X shape. One of the eccentric structure 34 and the connection structure 35 further includes a shaft portion 40 passing through and matching the shape of the non-circular hole 22; the eccentric structure 34 includes the shaft portion 40, and the shaft portion 40 is connected to the pivot 37 The non-circular hole 22 may be an oval, polygonal, or star-shaped hole. In this embodiment, the non-circular hole 22 is a square hole to prevent the shaft portion 40 from rotating relative to the non-circular hole 22. The pressing portion 50 is disposed between the second blade edge 20 and the locking member 32. One of the locking member 32 and the pressing portion 50 is provided with a ring tooth end surface, and the other is provided with a force that can be pressed against the ring. The latching structure of the tooth end surface; in this embodiment, the locking member 32 is provided with the ring tooth end surface 321, and the pressing portion 50 is provided with the locking structure 51, so that the locking member 32 is not easy to be opposed to the pressing portion 50 Rotate and loosen; thereby, the first blade edge 10 and the second blade edge 20 are stably pivoted and smoothly opened and closed.

In this embodiment, the pressing portion 50 is a deformable shim; in other embodiments, the pressing portion may also be a side wall of the second blade. In this embodiment, the gasket includes a thick section 52 and a thin section 53, and the abutment structure 51 is provided on the thin section 53 of the gasket; the thin section 53 and the second cutting edge 20 are spaced from each other. The latching structure 51 can jump and engage with the ring tooth end surface 321. The latching structure 51 is a latching protrusion; the gasket is integrally folded in two from the two-piece portion 54, the thick portion 52 is where the two-piece portion 54 overlaps, and the thin portion 53 is where the two-piece portions 54 do not overlap. In other embodiments, the thick section and the thin section may also be a single-layer sheet body. The card convex shape is arc convex shape, sharp angle, or tooth shape. In addition, the gasket is provided with a perforation 55, and the shaft portion 40 passes through the perforation 55. The perforation 55 matches the shape of the shaft portion 40, and the perforation 55 does not rotate relative to the shaft portion 40.

The second cutting edge 20 is further provided with a receiving groove 23 communicating with the non-circular hole 22. The pressing portion 50 and the locking member 32 are disposed in the receiving groove 23. Preferably, one of the largest radial sections of the locking member 32 is smaller than or equal to the radial section size of the receiving groove 23, so that the locking member 32 can be stably and axially accommodated in the receiving groove 23; the locking member 32 A concave surface 322 is provided, and the ring tooth end surface 321 surrounds the concave surface 322. The locking member 32 does not contact the gasket except that the ring tooth end surface 321 is in contact with the gasket to achieve smooth relative rotation and pressing. Positioning.

In detail, the eccentric structure 34 includes a through hole 341 and a pivot member 342 provided in the adjusting member 31. The through hole 341 includes a large-diameter hole 343, an eccentrically-set small-diameter hole 344, and a small-diameter hole 344. A taper hole 345 between the large-diameter hole 343 and the small-diameter hole 344. The pivot member 342 includes a head section 38, a body section 381, and a cone 39 between the head section 38 and the body section 381. The head section 38 is provided in the large-diameter hole 343, the body section 381 penetrates the small-diameter hole 344, and the tapered protrusion 39 is forced to abut the tapered hole 345; preferably, an arc is provided between the tapered hole 345 and the tapered protrusion 39形 垫 60。 Shaped gasket 60. The tapered hole 345 corresponds to the shape of the tapered convex 39, and the arc-shaped gasket 60 is provided with a matching The inclined concave surface 61 in the shape of the conical protrusion 39 is combined to reduce the frictional force and facilitate the rotation angle of the adjusting member 31. In other embodiments, the adjusting member may be integrally formed with the pivot member.

In this embodiment, the first cutting edge 10 further includes a shaft hole 12, and the adjusting member 31 is further provided with a convex post 312 penetrating through the shaft hole 12, and the small-diameter hole 344 penetrates the convex post 312. The member 31 can rotate stably relative to the perforation 55. In addition, the adjusting member 31 is further provided with a plurality of positioning grooves 311, and the first cutting edge 10 is provided with a plurality of balls 13 which can be positioned in one of the positioning grooves 311 to achieve position adjustment and positioning. A groove is formed in the shaft hole 12 in a radial direction, which is convenient for the shaft portion 40 to pass through the shaft hole 12.

A plurality of small convex teeth 14 and a large convex tooth 15 protruding from the end of any one of the small convex teeth 14 are provided at the ends of each of the blade portions 11 of the first blade 10, and two adjacent small convex teeth 14 are formed between them. A concave groove 16; preferably, the large convex teeth 15 are sharp-cone-shaped, which can disperse hairs in the concave grooves 16, and when trimming the hair, the hairs can be stopped by the large convex teeth 15 to prevent The hairs easily slip away from each of the blade portions 11.

In use, the adjusting member 31 rotates relative to the shaft hole 12 of the first blade 10, so that the eccentric structure 34 rotates around the axis of the adjusting member 31 to adjust the plurality of blade portions 11 of the first blade 10 and The relative positions of the plurality of blade portions 21 of the second blade edge 20 in the first direction L1 to change the abutment of the plurality of blade portions 11 of the first blade edge 10 and the plurality of blade portions 21 of the second blade edge 20 Adjacent areas to form different shear widths.

In summary, the hairdressing scissors of the present invention uses the latching structure of the pressing portion and the end face of the ring tooth of the locking member to achieve the effect of tightly positioning each other, so that the adjusting member and the locking member can be fastened and connected easily Loose.

Claims (8)

A hairdressing scissors includes: a first blade including a plurality of blade portions; a second blade including a plurality of blade portions and a non-circular hole; a blade portion of the first blade is opposite to a blade portion of the second blade Adjacent to each other, an adjusting mechanism includes an adjusting member rotatably provided on the first blade edge, a locking member and a pressing portion, the adjusting member includes an eccentric structure, the locking member is provided with a connecting structure, the eccentric structure and One of the connection structure includes a pivot hole, and the other includes a pivot post penetrating the first blade edge and the non-circular hole and connected to the pivot hole. One of the eccentric structure and the connection structure further includes a penetration hole. And cooperate with the non-circular hole-shaped shaft portion, the pressing portion is provided between the second blade edge and the lock member, one of the lock member and the pressing portion is provided with a ring tooth end surface, and the other is provided with a A snap-in structure capable of being pressed against the end face of the ring tooth; wherein the pressing portion is a deformable gasket, the pad includes a thick section and a thin section, and the snap-in structure is provided in the thin section of the pad Segment; the thin segment is spaced from the second blade. The hairdressing scissors according to claim 1, wherein the latching structure is a latching protrusion. The hairdressing scissors according to claim 1, wherein the gasket is provided with a perforation, and the shaft portion is provided with the perforation, and the perforation matches the shape of the shaft portion. The hairdressing scissors according to claim 1, wherein the second blade edge is further provided with a receiving groove communicating with the non-circular hole, and the pressing portion and the locking member are disposed in the receiving groove. The hairdressing scissors according to any one of claims 1 to 4, wherein the eccentric structure includes a through hole provided in the adjusting member and a pivot member, and the through hole includes a large-diameter hole and an eccentrically arranged small hole. A diameter hole and a tapered hole provided between the large diameter hole and the small diameter hole. The pivot member includes a head section, a body section, and a cone convex between the head section and the body section. The head section is provided on the The large-diameter hole and the body section are perforated with the small-diameter hole, and the cone is forced to abut the cone hole. The hairdressing scissors according to claim 5, wherein an arc-shaped gasket is further provided between the tapered hole and the tapered protrusion. The hairdressing scissors according to claim 1, wherein a plurality of small convex teeth and a large convex tooth protruding from an end of any of the small convex teeth are provided at each end of the blade portion of the first blade. The hairdressing scissors according to claim 1, wherein the latching structure is a latching protrusion; the gasket is provided with a perforation, and the shaft portion is provided with the perforation, and the perforation matches the shape of the shaft portion; the second blade is A receiving groove is provided which communicates with the non-circular hole, and the pressing portion and the locking member are arranged in the receiving groove; one of the largest radial sections of the locking member is smaller than or equal to the radial section size of the receiving groove; the locking member A concave surface is provided, and the end surface of the ring tooth surrounds the concave surface. The eccentric structure includes a through hole provided in the adjusting member and a pivot member. The through hole includes a large diameter hole, an eccentrically arranged small diameter hole, and a device. A conical hole between the large-diameter hole and the small-diameter hole, the pivot member includes a head section, a body section, and a cone convex between the head section and the body section, and the head section is provided on the large-diameter hole, The body is perforated with the small-diameter hole, and the tapered protrusion is forced to abut the tapered hole; an arc-shaped gasket is arranged between the tapered hole and the tapered convex; An inclined concave surface is provided to match the conical convex shape; a plurality of small convex teeth and a convex protrusion are provided at each end of the blade portion of the first cutting edge. A large convex tooth at the end of the small convex tooth; the first blade edge further includes a shaft hole; the adjusting member is further provided with a convex post passing through the shaft hole, the small diameter hole penetrates the convex post; the large convex tooth It has a pointed cone shape; the card convex shape is arc convex shape.