WO2020253524A1

WO2020253524A1 - Nail clipper with replaceable blade and nail storage function

Info

Publication number: WO2020253524A1
Application number: PCT/CN2020/094051
Authority: WO
Inventors: 陈建满
Original assignee: 陈建满
Priority date: 2019-06-18
Filing date: 2020-06-03
Publication date: 2020-12-24
Also published as: JP3237793U; CN110141035A; CN110141035B

Abstract

A nail clipper with replaceable blade and nail storage function, comprising a housing (10), a blade (20) and a press handle (30). Both the blade (20) and the press handle (30) are clipped and fixed in the cavity of the housing (10). A first opening (12) for exposing the edge of the blade (20) is provided on the housing (10); a limit clip (11) is provided at the first opening (12). A limit opening (23) or a bending arm (28) is provided on the blade (20) for horizontally limiting the blade (20); and a limit rib (15) or a limit slot (16) is provided on the inner wall of the housing (10) for vertically limiting the blade (20). A through hole (25) for the nail to pass is provided at the lower part of the blade (20). The press handle (30) is disposed at the top of the blade (20). A curly edge (31) folded towards the top of the press handle (30) is disposed on a side near the edge of the blade (20), a groove of the curly edge (31) coordinates with an upper edge of the first opening (12) or the lower edge of bending arm (28) on the blade (20) to limit the press handle (30) and form a lever motion rotation mechanism. The housing (10) is also provided with a second opening (13) for extending the other end of the press handle (30) and discharging the nail as well as a support handle (14). The press handle (30) is not required to be turned over during use, the nail clipper can store nail craps, and an old blade (20) can be replaced by a new one.

Description

Replaceable blades and nail clippers with nail storage function

Technical field

The invention relates to the field of daily necessities, in particular to a replaceable blade and a nail clipper with nail storage function.

Background technique

Traditional nail clippers work using the principle of leverage. They are mainly composed of a blade and a pressing handle formed by bending or riveting two steel sheets. At the edge of the knife, a rotating shaft penetrates the upper and lower blades vertically. Connect the pressing handle and use it as the fulcrum of the pressing handle; the disadvantages are that the overall disposal of the nail clippers after the blade becomes blunt is not conducive to resource conservation, and the cut nails fly around and affect environmental hygiene. Now, although there are plastic or metal sleeves Nail clippers, but the nail clipped can't enter the plastic or metal sleeve smoothly because of the blocking of the rotating shaft passing through the blade vertically.

Summary of the invention

In order to solve the problems in the prior art, the purpose of the present invention is to provide a nail clipper that can easily replace the blades, can temporarily store the cut nails, and pour them out after the cut. No need to flip the press handle.

The technical solution adopted by the present invention is: a replaceable blade and a nail clipper with nail storage function, which is characterized in that it comprises a housing as the main body, a blade and a pressing handle fixed on the housing; the housing is provided with two The first opening is provided with a limit card, and the inner wall is provided with a limit rib or a limit slot; the shell is also provided with a hollow support handle corresponding to the pressing handle; the blade is detachably arranged in the shell cavity Or on the limiting rib or in the limiting groove, the blade protrudes from the first opening of the housing; a limiting opening is provided on the blade, and the blade is horizontally limited by cooperating with the limiting card on the housing; A downward or upward bending edge is provided on the lower blade of the blade to increase the mechanical strength of the blade and assist the blade horizontal and vertical limit; set on the upward bending edge that is higher than the upper blade of the blade Two bending arms extending symmetrically; the middle of the lower piece of the blade is provided with a through hole; the pressing handle is provided on the top of the blade, and the edge of the blade is provided with an upward curling edge and a groove for the curling edge Cooperate with the upper edge of the first opening of the housing or the lower edge of the blade bending arm to limit the pressing handle and form a rotation mechanism for lever movement; the rear of the pressing handle is from the second opening of the housing It extends out of the shell and can move up and down; the clipped nails fall into the lower part of the shell and the supporting handle through the through hole on the lower blade of the blade for temporary storage, and are poured out through the second opening of the shell.

The invention has a simple structure and is easy to manufacture and assemble; when assembling, the blade end of the blade is inserted into the shell and the blade is exposed to the opening, so that the limit opening on the blade is matched with the limit card on the shell; then the pressing handle is crimped One end of the edge is pressed against the upper piece of the blade and pushed, and the groove of the crimped edge of the pressing handle is matched with the upper edge of the first opening of the housing or the lower edge of the blade bending arm under the elastic force of the blade to complete the assembly.

When replacing the blade, first press down the curled edge of the pressing handle to pull it out, and then push up the front of the lower blade of the blade, and the blade will fall off the housing.

Preferably, both sides of the lower piece of the blade are symmetrically provided with vertical downward bending edges, which can enhance the strength of the blade, and after the blade is installed in the hollow cavity of the housing, the edge of the bending edge resists the inner wall of the housing to make The blade is vertically limited and the limiting mechanism is simple.

Preferably, the lower blade of the blade is symmetrically provided with vertical upward bending edges, and the height does not exceed the upper blade of the blade, which can increase the strength of the blade. Accordingly, the inner wall of the housing is provided with a limiting rib or a limiting groove for supporting the blade Or a limit card, which cooperates with the pressing handle to prevent the blade from moving vertically, making the nail clippers more stable.

Preferably, the upwardly extending height of the bending edge of the lower blade of the blade can also be higher than the height of the upper blade of the blade, and the bending edge is provided with symmetrically extending bending arms near the blade end, and correspondingly, the inner wall of the housing is provided with useful A limit rib or a limit slot or a limit card supporting the blade is used to vertically limit the blade; a limit card is set in the middle of the upper edge of the first opening of the housing, and its width is slightly smaller than the distance between the two bending arms. After the pressing handle is assembled, the groove of the curling edge of the pressing handle is matched with the lower edge of the blade bending arm and the housing limit card at the same time, so that the blade and the pressing handle are horizontally restricted at the same time, and constitutes a lever movement rotation mechanism, which makes the nail clippers more stable , The mechanics and the wear resistance of the shaft are more optimized.

Preferably, the thickness of the bent part of the blade is smaller than the rest of the blade, which can reduce the elastic force of the bent part of the blade, and is convenient to use; the upper part of the blade and the pressing handle lever move the force through the groove or curling or thickening, etc. The method is to set a reinforcement part to increase the mechanical strength and avoid the deformation caused by the insufficient strength of the blade upper lever movement after long-term use.

Preferably, the shell may be an integrally formed hollow shell, which has simpler processing technology and lower cost.

The beneficial effects of the present invention are:

1. The structure is simple and easy to manufacture and assemble;

2. When the blade of the blade becomes blunt and fails, the blade can be replaced with a new one, and the housing and pressing handle can still be used;

3. Prevent nails from escaping, and effective storage of nails is conducive to maintaining environmental hygiene;

4. There is no need to flip the pressing handle, which is more convenient to use.

Description of the drawings

FIG. 1 is a schematic diagram of the appearance structure of Embodiment 1 of the present invention;

2 is a schematic diagram of the internal structure of Embodiment 1 of the present invention;

3 is a schematic diagram of the internal structure of the housing in Embodiment 1 of the present invention;

4 is a schematic diagram of the structure of the blade in Embodiment 1 of the present invention;

FIG. 5 is a schematic diagram of the structure of the pressing handle in Embodiment 1 of the present invention;

Fig. 6 is a schematic diagram of the first step of pouring out nails in Example 1 of the present invention;

Figure 7 is a schematic diagram of the second step of pouring out the nails in Example 1 of the present invention;

8 is a schematic diagram of the internal structure of Embodiment 2 of the present invention;

9 is a schematic diagram of the internal structure of the housing in Embodiment 2 of the present invention;

10 is a schematic diagram of the structure of the blade in Embodiment 2 of the present invention;

11 is a schematic diagram of the appearance structure of Embodiment 3 of the present invention;

12 is a schematic diagram of the internal structure of Embodiment 3 of the present invention;

13 is a schematic diagram of the internal structure of the housing in Embodiment 3 of the present invention;

Figure 14 is a schematic diagram of the blade structure in Embodiment 3 of the present invention.

Reference signs: 10-housing, 11-limiting card, 12-first opening, 13-second opening, 14-support handle, 15-limiting rib, 16-limiting slot; 20-blade, 21-upper Sheet, 22- lower sheet, 23-limiting port, 24-bending side, 25-through hole, 26-bending part, 27-reinforcement part, 28-bending arm; 30-pressing handle, 31-curling side .

Detailed ways

The embodiments of the present invention will be described in detail below in conjunction with the drawings.

Example 1

As shown in Figures 1-7, a replaceable blade and a nail clipper with nail storage function, which is characterized by comprising a housing 10 as the main body, and a blade 20 and a pressing handle 30 fixed on the housing 10; The housing 10 is provided with two openings, the first opening 12 is provided with a limit card 11; the housing 10 is also provided with a hollow support handle 14 corresponding to the pressing handle 30; the blade 20 is detachably provided in the housing 10 In the cavity, the blade protrudes from the first opening 12 of the housing 10; a limit opening 23 is provided on the blade 20, and the blade 20 is horizontally restricted by cooperating with the upper limit card 11 of the housing 10; The lower piece 22 of the blade 20 is provided with a downward bending edge 24 for increasing the mechanical strength of the blade 20, and its edge resists the inner wall of the housing 10 to limit the blade 20 vertically; the middle of the lower piece 22 of the blade 20 is provided There is a through hole 25; the pressing handle 30 is provided on the top of the blade 20, and an upward curling edge 31 is provided at one end close to the cutting edge of the blade 20. The groove of the curling edge 31 is matched with the upper edge of the first opening 12 of the housing 10 Limit the pressing handle 30 and constitute a rotating mechanism for the pressing handle lever movement; the rear of the pressing handle 30 extends out of the housing 10 from the second opening 13 of the housing 10 and can move up and down as a lever; The nails fall into the lower part of the housing 10 and the support handle 14 through the through hole 25 on the lower piece 22 of the blade 20 for temporary storage; when pouring out the nails, the support handle 14 should be upwards first, and then the first The opening 12 faces upward, and the nail is poured out through the second opening 13.

The invention has a simple structure and is easy to manufacture and assemble; when assembling, the blade end of the blade 20 is inserted into the housing 10 and the blade is exposed to the first opening 12, so that the limit opening 23 on the blade 20 and the limit card on the housing 10 11 fit; then press one end of the crimping edge 31 of the pressing handle 30 on the top of the blade 20 and pushing, under the elastic force of the blade 20, the crimping edge 31 of the pressing handle 30 is matched with the upper edge of the first opening 12 of the housing 10 to complete assembly.

When replacing the blade 20, first press down the end of the pressing handle 30 with the crimped edge 31 to withdraw it, and then push the front part of the lower piece 22 of the blade 20 upward, and the blade 20 will fall off the housing 10.

The lower piece 22 of the blade 20 is symmetrically provided with vertical downward bending edges 24 on both sides to increase the strength of the blade 20. After the blade 20 is installed in the hollow cavity of the housing 10, the edges of the bending edges 24 and the housing 10 The inner wall resists to make the blade 20 vertical limit, and the limit mechanism is simple.

The thickness of the bent portion 26 of the blade 20 is smaller than the rest of the blade 20, which can reduce the elastic force of the bent portion 26 of the blade 20, which is convenient to use; the position where the upper piece 21 of the blade 20 and the pressing handle 30 are levered is pressed through the groove or curling Or thickening and other methods are provided to increase the mechanical strength to avoid deformation caused by insufficient strength of the lever movement of the upper piece 21 of the blade 20 after long-term use.

The shell 10 is an integrally formed hollow shell, which has simpler processing technology and lower cost.

Example 2

As shown in Figures 8-10, this embodiment is basically the same as embodiment 1, the difference is that the lower piece 22 of the blade 20 is symmetrically provided with vertical upward bending edges 24, and the height does not exceed the upper part of the blade 20. The blade 21 is provided with a limiting rib 15 on the inner wall of the housing 10 for supporting the blade.

Both sides of the lower piece 22 of the blade 20 are respectively provided with vertical upward bending edges 24, which can increase the strength of the blade 20. The limiting rib 15 and the pressing handle 30 cooperate to limit the blade 20 vertically to make the nail clippers more stable in use; The upward bending edge 24 can also prevent the trimmed nails from accumulating in the groove formed between the side edge of the blade 20 and the housing 10, and can better guide the nails through the through holes 25 into the cavity of the housing 10 for storage, which is convenient Pour out later.

Example 3

As shown in Figs. 11-14, this embodiment is basically the same as the second embodiment. The difference is that the upwardly extending height of the bent edge 24 of the lower piece 22 of the blade 20 is higher than the height of the upper piece 21 of the blade 20. 24 is provided with a symmetrical bending arm 28 extending toward each other at one end close to the cutting edge, and a limiting groove 16 for supporting the blade 20 is provided on the inner wall of the housing 10 to vertically limit the blade 20; on the first opening 12 of the housing 10 A limit card 11 is arranged in the middle of the edge, and its width is slightly smaller than the distance between the two bending arms 28.

After the pressing handle 30 is assembled, the crimped edge 31 of the pressing handle 30 is simultaneously matched with the lower edge of the bending arm 28 of the blade 20 and the limit card 11 of the housing 10 to limit the blade 20 and the pressing handle 30 horizontally at the same time, forming a pressing handle lever The moving rotating mechanism makes the nail clippers more stable, and the mechanics and wear resistance are more optimized.

The above-mentioned embodiments only express the specific implementation of the present invention, and the description is relatively specific and detailed, but it should not be understood as a limitation to the patent scope of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can be made, and these all fall within the protection scope of the present invention.

Claims

A replaceable blade and a nail clipper with nail storage function, characterized in that it comprises a shell, a blade and a pressing handle matched with the blade; the blade is detachably arranged in the hollow cavity of the shell, and the shell is provided with There is a first opening through which the cutting edge of the blade is exposed; a limit card is provided at the first opening, and a limit opening or a bending arm that cooperates with the limit card is provided on the blade. The lower piece is provided with a through hole for nails to pass through; the pressing handle is arranged on the top of the upper piece of the blade, and the pressing handle is provided with a curled edge at one end close to the blade edge, and the curled edge is folded toward the top of the pressing handle, so The groove formed by the curled edge cooperates with the upper edge of the first opening or the lower edge of the blade bending arm to limit the pressing handle and constitute a rotation mechanism for lever movement; the housing is provided with the other end of the second opening for the pressing handle Extend and pour out nail scraps, and a support handle corresponding to the pressing handle is provided on the shell.
The replaceable blade and nail clippers with nail storage function according to claim 1, wherein the lower piece of the blade is symmetrically provided with a vertical downward bending edge on both sides, and the blade is installed in the housing After the hollow cavity of the housing, the edge of the bent side resists the inner bottom wall of the housing.
The replaceable blade and nail clippers with nail storage function according to claim 1, wherein the lower piece of the blade is symmetrically provided with vertical upward bending edges on both sides; the inner wall of the housing is provided with A limit rib or a limit groove supporting the blade.
The replaceable blade and nail clippers with nail storage function according to claim 3, wherein the upward extension height of the bent edge is greater than the height of the upper piece of the blade, and the bent edge is on the side close to the blade The sides are symmetrically provided with bending arms extending toward each other; the middle of the upper edge of the shell opening is provided with a limit card, and the groove of the crimping side of the pressing handle is matched with the lower edge of the bending arm and the limit card at the same time, and the blade and the pressing handle Limit, constitute the rotating mechanism of the lever movement.
The replaceable blade and nail clippers with nail storage function according to claim 1, wherein the thickness of the bent portion of the blade is smaller than the rest of the blade to reduce elastic force; Reinforcement is provided at the contact part of the handle lever movement force to increase the mechanical strength.
The replaceable blade and nail clippers with nail storage function according to claim 1, wherein the housing is an integrally formed hollow shell.