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CN-224223422-U - Knife sharpener suitable for sharpening operation of scissors

CN224223422UCN 224223422 UCN224223422 UCN 224223422UCN-224223422-U

Abstract

The utility model relates to the technical field of knife sharpeners, and particularly discloses a knife sharpeners suitable for sharpening operation of scissors, which comprises a handle, a rotary seat, a plurality of sharpening parts, a transmission gear ring, a knob and a gear, wherein the handle is provided with a hollow accommodating cavity, the rotary seat is arranged in the accommodating cavity and can rotate around an axis A, the sharpening parts are arranged at intervals along the circumferential direction of the rotary seat, the handle is provided with a notch along the rotating path of the sharpening parts, the notch is at least provided with a sharpening surface of one sharpening part to be exposed, the transmission gear ring is arranged on the rotary seat and is coaxial with the rotary seat, the knob is rotatably arranged on the handle, the knob is provided with a gear meshed with the transmission gear ring, and the rotary seat is driven to rotate by rotating the knob, so that the sharpening parts are circularly switched to be exposed from the notch.

Inventors

  • LI WUJIAN
  • Salma Berg

Assignees

  • 余姚市诺顿电器有限公司

Dates

Publication Date
20260512
Application Date
20250612

Claims (7)

  1. 1. A sharpener suitable for sharpening scissors, comprising: A handle (1), wherein the handle (1) is provided with a hollow accommodating cavity (1.1); The rotary seat (2) is arranged in the accommodating cavity (1.1) and can rotate around the axis A; The sharpening units (4) are arranged at intervals along the circumferential direction of the rotary seat (2), the sharpening units (4) are provided with two sharpening surfaces (4.1), and a knife placing groove (4.11) is formed between the two sharpening surfaces (4.1) in an included angle for one arm blade part of the scissors (9) to enter; A notch (1.2) is arranged on the handle (1) along the rotating path of the sharpening part (4), and the notch (1.2) at least can be exposed by a cutter placing groove (4.11) of one sharpening part (4); The transmission gear ring (2.14), the transmission gear ring (2.14) is arranged on the swivel base (2) and is coaxial with the swivel base (2); The knob (5) is rotatably arranged on the handle (1), and a gear (5.1) meshed with the transmission gear ring (2.14) is arranged on the knob (5); Through turning knob (5), gear (5.1) drives swivel mount (2) rotation to circulation switch grinding part (4) are exposed from notch (1.2).
  2. 2. The sharpener of claim 1, wherein the sharpening faces (4.1) of the sharpening members (4) are configured to form sharpening slots (4.11) having different angles.
  3. 3. The sharpener of claim 2, wherein the swivel base (2) is formed by splicing two circular brackets (2.1) along the axis A in a front-back manner; The sharpening part (4) is arranged between the two supports (2.1), a front-back penetrating avoidance groove (2.11) is formed in each support (2.1), and the cutter placing groove (4.11) is formed in the inner side of the avoidance groove (2.11) and is arranged in a front-back penetrating structure.
  4. 4. The knife sharpener suitable for sharpening operation of scissors according to claim 3 is characterized in that a connecting hole (2.12) is formed in a rear support (2.1) along the axial direction, a connecting shaft (1.3) is arranged on the handle (1), the connecting shaft (1.3) stretches into the connecting hole (2.12), a plurality of supporting pieces (6) capable of elastically stretching radially are arranged on the connecting shaft (1.3), a plurality of positioning grooves (2.121) are distributed on the inner wall of the connecting hole (2.12) at intervals along the circumferential direction, and the supporting pieces (6) can elastically enter and exit the positioning grooves (2.121).
  5. 5. A sharpener suitable for sharpening scissors according to claim 3, characterized in that the front bracket (2.1) is provided with an axially forward extending shaft portion (2.13), the transmission gear ring (2.14) being arranged around the shaft portion (2.13).
  6. 6. The sharpener suitable for sharpening scissors according to claim 1, wherein a plurality of clamping grooves (2.2) are formed in the rotary base (2) at intervals along the circumferential direction, at least one pin body (7) capable of moving up and down is arranged on the handle (1) along the movement track of the clamping grooves (2.2), when the rotary base (2) rotates to the position, opposite to the position of the pin body (7), of the clamping grooves (2.2), the pin body (7) moves into the clamping grooves (2.2) to lock rotation of the rotary base (2), and when the pin body (7) moves out of the clamping grooves (2.2), the rotary base (2) can rotate.
  7. 7. The sharpener suitable for sharpening operation of scissors according to claim 6, wherein the handle (1) is provided with a lever (8) extending leftwards and rightwards, the middle position of the lever (8) is hinged with the handle (1), the pin body (7) is arranged at the front end of the lever (8), an elastic piece (8.1) is propped between the tail end of the lever (8) and the handle (1), a button (8.2) is arranged on the handle (1), and the button (8.2) is propped against the tail end of the lever (8).

Description

Knife sharpener suitable for sharpening operation of scissors Technical Field The utility model relates to the technical field of knife sharpeners, in particular to a knife sharpeners suitable for sharpening operation of scissors. Background The existing knife sharpener suitable for sharpening operation of scissors can only provide a single sharpening effect, is inconvenient for users to use, cannot simultaneously sharpen two side surfaces of the scissors blade, is fixed in sharpening angle and sharpening mesh number, and cannot meet diversified sharpening demands of users on different cutter blade parts. In addition, the structure of the traditional knife sharpener suitable for sharpening operation of scissors is complex, operation is inconvenient, replacement and switching of sharpening parts are not flexible enough, and applicability is limited. Therefore, there is a need for a sharpener suitable for sharpening scissors that can integrate multiple sharpening functions, is compact in structure and is convenient to operate. Disclosure of utility model Aiming at the defects and the shortcomings of the prior art, the knife sharpener is provided, which meets the sharpening requirement of scissors, can reduce the sharpening operation difficulty of the scissors and has a compact structure. A sharpener suitable for sharpening scissors, comprising: the handle is provided with a hollow accommodating cavity; The rotary seat is arranged in the accommodating cavity and can rotate around the axis A; the sharpening parts are arranged at intervals along the circumferential direction of the rotary seat, each sharpening part is provided with two sharpening surfaces, and a knife placing groove is formed between the two sharpening surfaces for allowing one arm blade part of the scissors to enter; The handle is provided with a notch along the rotating path of the sharpening part, and the notch can be at least exposed by a knife placing groove of the sharpening part; the transmission gear ring is arranged on the swivel base and is coaxial with the swivel base; the knob is rotatably arranged on the handle, and a gear meshed with the transmission gear ring is arranged on the knob; through turning the knob, the gear drives the swivel mount to rotate to the circulation switches the part of grinding and exposes from the notch. After adopting above structure, the knife sharpener suitable for sharpening operation of scissors has the following advantages compared with the prior art: The knob can be rotated to rotate the rotary seat to control the cutter placing groove to be exposed from the notch, The edge part of one arm of the scissors is placed in the cutter placing groove, two sides of the edge part of the scissors can be attached to the sharpening surface, so that one arm of the scissors can reciprocate in the cutter placing groove, the edge part of the scissors can be sharpened, the cutter placing groove has the characteristic of reducing sharpening operation difficulty of the scissors, in addition, the structure is simpler, parts are fewer, and the cost is reduced. The structure has the advantages that the transmission structure of the scissors has fewer parts, and the cost is reduced. As an improvement of the utility model, the sharpening surfaces of the sharpening parts are arranged in a structure with different angles so as to form knife placing grooves with different angles. As an improvement of the utility model, the rotary seat is formed by splicing two circular brackets back and forth along the axis A; The sharpening part is arranged between the two supports, the supports are provided with avoidance grooves penetrating through the support back and forth, and the cutter placing grooves are arranged on the inner sides of the avoidance grooves and are arranged in a structure penetrating through the support back and forth. As an improvement, a connecting hole is formed in the rear support along the axial direction, a connecting shaft is arranged on the handle, the connecting shaft stretches into the connecting hole, a plurality of supporting pieces capable of elastically stretching radially are arranged on the connecting shaft, a plurality of positioning grooves are distributed on the inner wall of the connecting hole at intervals along the circumferential direction, and the supporting pieces can elastically enter and exit the positioning grooves. As an improvement of the present utility model, the front bracket is provided with a shaft portion extending axially forward, and the ring gear is provided around the shaft portion. As an improvement of the utility model, a plurality of clamping grooves are arranged at intervals along the circumferential direction of the rotary seat, at least one pin body capable of moving up and down is arranged on the handle along the movement track of the clamping grooves, when the rotary seat rotates to the position of the clamping grooves opposite to the pin body, the pin body moves into the