CN219633843U - Folding travel scissors - Google Patents

Abstract

The utility model relates to a pair of folding travel scissors, which comprises a blade, a plastic handle and a hinge structure, wherein the hinge structure comprises a pivot and an elastic reed, the rear end of the blade is provided with a pivoting part, the side surface of the pivoting part is provided with a first limiting surface and a second limiting surface which are parallel to the axis of the pivot, the front end of the elastic reed is elastically pressed against the side surface of the pivoting part, in a folding state, the front end of the elastic reed is pressed against the first limiting surface, and in an opening state, the front end of the elastic reed is pressed against the second limiting surface. The utility model keeps stable state through the resistance of the elastic resistance of the free end of the elastic reed, so that the folding function of the scissors is not affected even if the hinge parts are worn after long-term use, and the service life is prolonged.

Description

Folding travel scissors

Technical Field

The present utility model relates to folding travel scissors, and in particular to folding travel scissors having a pair of plastic handles.

Background

The scissors are shearing tools which are frequently used in daily life by people, in order to facilitate people to carry out, folding travel scissors are appeared, the existing folding travel scissors generally comprise a pair of blades and a pair of handles, the middle parts of the pair of blades are hinged together through rivets, the front parts of the pair of blades form scissor heads, and the pair of handles are respectively connected with the rear ends of the pair of blades. The existing folding travel scissors are made of metal plates which are formed by punching and shearing, and plastic injection molding, but have the defects that: the handle formed by adopting the metal plate is generally thinner in metal material, is easy to deform after being folded for many times, and is easy to cut a user; the handle is usually hinged by matching a plastic hinge part with an opening at the rear end of the blade, wherein the plastic hinge part forms a pivot, and relative rotation between the plastic hinge part and the opening at the rear end of the blade has friction resistance to form a hinge structure with a positioning function. The folding travel scissors adopting the hinge structure are kept in an open or folded state by utilizing the friction force in the folding process, and after a period of use, the plastic hinge parts are worn, so that the folded state cannot be positioned, and the service life of the scissors is short.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the folding travel scissors which are safe to use and durable.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a folding travel scissors, includes a pair of blade and a pair of plastic handle, the middle part of a pair of blade articulates together, the front portion of a pair of blade constitutes the scissor head, a pair of plastic handle is connected respectively through possessing the hinge structure of locate function the rear end of a pair of blade, its characterized in that: the hinge structure comprises a pivot and an elastic reed, wherein the rear end of the blade is provided with a pivot part, the front end of the plastic handle is hinged with the pivot part of the rear end of the blade through the pivot, the elastic reed is inserted into the plastic handle from the front end of the plastic handle, the rear end of the elastic reed is fixedly arranged, the front end is a free end, the side surface of the pivot part is provided with a first limit surface and a second limit surface which are parallel to the pivot axis, a transition limit surface is connected between the first limit surface and the second limit surface, and the distance between the first limit surface and the pivot axis is smaller than the distance between the connecting part of the first limit surface and the transition limit surface and the pivot axis; the distance between the second limiting surface and the pivot axis is smaller than the distance between the connection part of the second limiting surface and the transition limiting surface and the pivot axis; the front end of the elastic reed is elastically propped against the side surface of the pivoting part, and in the folded state, the front end of the elastic reed is propped against the first limiting surface, and in the unfolded state, the front end of the elastic reed is propped against the second limiting surface.

Compared with the prior art, the utility model sets the distance between the first limiting surface and the pivot axis to be smaller than the distance between the connecting part of the first limiting surface and the transition limiting surface and the pivot axis, and the distance between the second limiting surface and the pivot axis to be smaller than the distance between the connecting part of the second limiting surface and the transition limiting surface and the pivot axis, so that the free end of the elastic reed can resist the elastic resistance no matter the state is changed in the folded state or the unfolded state, thereby keeping the state stable, achieving the positioning purpose and being durable; meanwhile, the technical scheme does not utilize friction resistance between the hinge piece and the opening at the rear end of the blade to achieve a positioning function, so that the folding function of the scissors can not be affected even if the hinge piece is worn after long-term use, and the service life is prolonged.

As a further arrangement, the included angle between the first limiting surface and the transition limiting surface and the included angle between the second limiting surface and the transition limiting surface on the pivoting part are 90 degrees.

The spring leaf holding cavity and the pin joint part holding cavity are arranged at the front end of the plastic handle and are communicated, the front part and the rear part of the spring leaf holding cavity are in a horn shape, the elastic spring leaf is inserted into the plastic handle, the pin joint part and the front end of the plastic handle are provided with a pivot hole, the pivot comprises a shaft core and a shaft sleeve, the diameter of the shaft core is in interference fit with the inner diameter of the shaft sleeve, and the shaft core and the shaft sleeve penetrate into the pivot holes in the front end of the pin joint part and the front end of the plastic handle from two sides of the front end of the plastic handle respectively and then are inserted into the pivot holes to form hinge.

The utility model will be further described with reference to the accompanying drawings and specific examples.

Drawings

FIG. 1 is a schematic view of an open state and three-dimensional structure of an embodiment of the present utility model;

FIG. 2 is a partially exploded view of an open configuration of an embodiment of the present utility model;

FIG. 3 is a partially exploded view of an open configuration of an embodiment of the present utility model;

FIG. 4 is a right side view of an embodiment of the utility model in an open position;

FIG. 5 is a cross-sectional view of FIG. 4 A-A;

FIG. 6 is a front view of an embodiment of a scissor head of the present utility model;

FIG. 7 is a right side view of an embodiment of the plastic handle of the present utility model;

FIG. 8 is a cross-sectional view of B-B of FIG. 7;

FIG. 9 is a schematic perspective view showing a folded state according to an embodiment of the present utility model;

FIG. 10 is a right side view of a folded state of an embodiment of the present utility model;

FIG. 11 is a cross-sectional view of FIG. 10C-C.

Detailed Description

As shown in fig. 1 to 5, the folding travel scissors comprise a pair of blades 1 and a pair of plastic handles 2, the middle parts of the pair of blades 1 are hinged together through a hinge shaft 5, the front parts of the pair of blades 1 form a scissor head, the pair of plastic handles 2 are respectively connected with the rear ends of the pair of blades 1 through a hinge structure with a positioning function, the hinge structure comprises a pivot 3 and an elastic reed 4, the rear ends of the blades 1 are provided with a pivoting part 101, the elastic reed 4 is preferably made of a spring steel sheet with better elasticity, the front ends of the plastic handles 2 and the pivoting part 101 at the rear ends of the blades 1 are hinged through the pivot 3, the elastic reed 4 is inserted into the plastic handles 2 from the front ends of the plastic handles 2, the rear ends of the elastic reed 4 are fixedly arranged, and the front ends are free ends. As shown in fig. 6, a first limit surface 1011 and a second limit surface 1012 parallel to the axis of the pivot 3 are provided on the side surface of the pivot portion 101, a transition limit surface 1013 is connected between the first limit surface 1011 and the second limit surface 1012, the first limit surface 1011 and the second limit surface 1012 are planes, and the distance between the first limit surface 1011 and the axis of the pivot 3 is smaller than the distance between the connection part of the first limit surface 1011 and the transition limit surface 1013 and the axis of the pivot 3; the distance between the second limiting surface 1012 and the axis of the pivot 3 is smaller than the distance between the connecting part of the second limiting surface 1012 and the transition limiting surface 1013 and the axis of the pivot 3; as shown in fig. 5 and 11, the front end of the spring reed 4 elastically presses against the side surface of the pivot portion 101, and the positions of the first limit surface 1011 and the second limit surface 1012 should be: in the folded state, the front end of the spring reed 4 is pressed against the first limiting surface 1011, and in the unfolded state, the front end of the spring reed 4 is pressed against the second limiting surface 1012.

The transition limit surface 1013 may be an arc surface, and if other states that can be stopped in the folded state and the unfolded state of the scissors are desired, a plane may be provided on the transition limit surface 1013.

Preferably, as shown in fig. 6, the first limiting surface 1011, the second limiting surface 1012 and the transition limiting surface 1013 on the pivoting portion 101 are all plane surfaces, an included angle between the first limiting surface 1011 and the transition limiting surface 1013 and an included angle between the second limiting surface 1012 and the transition limiting surface 1013 are 90 °, and the included angle can be adjusted according to the specific shape, size and folding angle of the scissors. The pivot portion 101 is flat, and the first limit surface 1011, the second limit surface 1012, and the transition limit surface 1013 are disposed on the side surface of the pivot portion 101.

In order to facilitate the arrangement of the spring reed 4, and make the spring reed attractive, as shown in fig. 8, preferably, a reed accommodating cavity 201 and a pivoting part accommodating cavity 202 are arranged at the front end of the plastic handle 2, the reed accommodating cavity 201 and the pivoting part accommodating cavity 202 are communicated, the spring reed 4 is inserted and arranged in the plastic handle 2, the section of the rear end of the reed accommodating cavity 201 is preferably in interference fit with the section of the spring reed 4 so as to prevent the spring reed 4 from falling off after being inserted, the front end of the reed accommodating cavity 201 is preferably opened so as to facilitate the insertion of the spring reed 4, and the front and rear ends of the reed accommodating cavity 201 are in a horn shape so that the free end of the spring reed 4 has enough swinging space.

In the folding travel scissors of the present utility model, the hinge connection portion 101 and the plastic handle 2 may be hinged in a conventional existing manner, for example, hinge holes are respectively formed at front ends of the hinge connection portion 101 and the plastic handle 2, and rivets are matched in the hinge holes to form the hinge connection. Preferably, as shown in fig. 3, in this embodiment, the pivot portion 101 and the front end of the plastic handle 2 are provided with a pivot hole 203, the pivot 3 includes a shaft core 301 and a shaft sleeve 302, the diameter of the shaft core 301 is in interference fit with the inner diameter of the shaft sleeve 302, and the shaft core 301 and the shaft sleeve 302 respectively penetrate into the pivot portion 101 and the pivot hole 203 on the front end of the plastic handle 2 from two sides of the front end of the plastic handle 2 and then are inserted to form a hinge.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While obvious variations or modifications are contemplated as falling within the scope of the present utility model.

Claims (3)

1. The utility model provides a folding travel scissors, includes a pair of blade and a pair of plastic handle, the middle part of a pair of blade articulates together, the front portion of a pair of blade constitutes the scissor head, a pair of plastic handle is connected respectively through possessing the hinge structure of locate function the rear end of a pair of blade, its characterized in that: the hinge structure comprises a pivot and an elastic reed, wherein the rear end of the blade is provided with a pivot part, the front end of the plastic handle is hinged with the pivot part of the rear end of the blade through the pivot, the elastic reed is inserted into the plastic handle from the front end of the plastic handle, the rear end of the elastic reed is fixedly arranged, the front end is a free end, the side surface of the pivot part is provided with a first limit surface and a second limit surface which are parallel to the pivot axis, a transition limit surface is connected between the first limit surface and the second limit surface, and the distance between the first limit surface and the pivot axis is smaller than the distance between the connecting part of the first limit surface and the transition limit surface and the pivot axis; the distance between the second limiting surface and the pivot axis is smaller than the distance between the connection part of the second limiting surface and the transition limiting surface and the pivot axis; the front end of the elastic reed is elastically propped against the side surface of the pivoting part, and in the folded state, the front end of the elastic reed is propped against the first limiting surface, and in the unfolded state, the front end of the elastic reed is propped against the second limiting surface.

2. The folding travel scissor of claim 1 wherein: the included angle between the first limiting surface and the transition limiting surface and the included angle between the second limiting surface and the transition limiting surface on the pivoting part are 90 degrees.

3. The folding travel scissor of claim 1 or 2, wherein: the front end of the plastic handle is provided with a reed accommodating cavity and a pivoting part accommodating cavity, the reed accommodating cavity is communicated with the pivoting part accommodating cavity, the front part and the rear part of the reed accommodating cavity are in a horn shape, the elastic reed is inserted and arranged in the plastic handle, the pivoting part and the front end of the plastic handle are provided with a pivot hole, the pivot comprises a shaft core and a shaft sleeve, the diameter of the shaft core is in interference fit with the inner diameter of the shaft sleeve, and the shaft core and the shaft sleeve respectively penetrate into the pivot holes on the pivoting part and the front end of the plastic handle from two sides of the front end of the plastic handle and then are inserted and combined to form a hinge.