CN210481852U

CN210481852U - Safe labor-saving yarn scissors

Info

Publication number: CN210481852U
Application number: CN201921145378.5U
Authority: CN
Inventors: 木凯; 潘诚君
Original assignee: Deli Group Co Ltd
Current assignee: Deli Group Co Ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-05-08
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a laborsaving yarn scissors of safety, including the scissors body that is equipped with first blade (1) and second blade (3) be connected with first handle of a knife (2), still be equipped with parcel this external casing (6) of scissors, the front end of casing (6) is equipped with passageway (7) that the yarn got into, the top of passageway (7) is equipped with first breach (7.1) that supply first blade (1) to pass, the top of passageway (7) is equipped with second breach (7.2) that supply first blade (1) to pass, first blade (1) is down passed first breach (7.1) and second breach (7.2) and second blade (3) and is cuted the yarn, second blade (3) are fixed in casing (6). The yarn scissors are provided with the shell for safety protection, so that the safety is good.

Description

Safe labor-saving yarn scissors

Technical Field

The utility model relates to a cutter technical field specifically says to a safe laborsaving yarn scissors.

Background

The yarn scissors are special tools for clothing, and are used for cutting silk threads, thin yarns, thin cloth and the like. The scissors mainly comprise a first handle with a first blade and a scissors body with a second handle with a second blade, wherein the tail end of the first handle is rotatably connected with the tail end of the second handle and is provided with a return spring. When the cutting knife is used, the cutting knife is cut by the first blade and the second blade, and the cutting knife is reset by the return spring. The yarn scissors lack a safety protection structure, and have certain potential safety hazards for children and users with small ages, such as fingers extending between two blades. In addition, for children and users with small ages, the two knife handles are difficult to press and inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a safe laborsaving yarn scissors that increase the casing that safety protection used, make the security good.

The technical scheme of the utility model is that a safe labor-saving yarn scissors with the following structure is provided, which comprises a scissors body provided with a first blade and a second blade which are connected with a first handle, wherein the tail end of the first handle is provided with a return spring; the method is characterized in that: still be equipped with the parcel at this external casing of scissors, the front end of casing is equipped with the passageway that the yarn got into, the top of passageway is equipped with the first breach that supplies first blade to pass, the top of passageway is equipped with the second breach that supplies first blade to pass, first blade passes first breach and second blade shearing yarn downwards, the second blade is fixed in the casing.

The shell comprises a first shell and a second shell, and the first shell and the second shell are fixedly connected.

And a lever type pressure lever is arranged on the outer side of the first knife handle.

The front end of the pressing rod is connected to the shell in a rotating mode as a fulcrum, a bulge which is abutted to the outer side of the first tool handle is arranged at the bottom of the pressing rod, the bulge to the fulcrum is a resistance arm, the tail end of the pressing rod to the fulcrum is a power arm, and the distance between the power arm and the resistance arm is larger than that between the power arm and the resistance arm.

The shell is located at the position, provided with the opening, of the pressing rod, the middle of the first cutter handle is located in the opening, and the pressing rod is located in the opening when pressed downwards.

The shell is fixed with a shaft, and the front end of the pressure lever is provided with a through hole which is movably sleeved on the shaft.

The front end of the shell is provided with an inner cavity for the first blade to move up and down.

The second blade is positioned in the shell and fixed at the front end of the second handle, the tail end of the first handle is rotatably connected with the tail end of the second handle, and the return spring is arranged at the tail ends of the first handle and the second handle.

After the structure more than adopting, the utility model has the advantages of it is following: through increasing the casing, will be equipped with including first blade, first handle of a knife, second blade all wrap up, only the front end of casing is equipped with the passageway that the yarn got into, through the width of restriction shearing position, avoids the finger to insert and causes the injury to make the yarn cut become the yarn cut that has safeguard measure. As an improvement, the shell comprises a first shell and a second shell, the first shell and the second shell are fixedly connected, and after the yarn scissors are placed into one shell, the other shell is assembled and fixed, so that the assembly is convenient.

As an improvement, a lever-type pressure lever is arranged on the outer side of the first cutter handle, and the first cutter handle is pressed down through the pressure lever, so that the operation can be realized by using smaller force, and the operation is labor-saving.

As an improvement, the front end of the pressing rod is connected to the shell in a rotating mode as a fulcrum, a bulge which is abutted to the outer side of the first handle of the knife is arranged at the bottom of the pressing rod, the bulge is a resistance arm to the fulcrum, the tail end of the pressing rod is a power arm to the fulcrum, and the distance between the power arm and the resistance arm is larger than that between the power arm and the resistance arm, so that the tail of the pressing rod is pressed down when the handle is used, and the first handle can be pressed down with small force.

As an improvement, the shell is located at the position, provided with the opening, of the pressing rod, the middle of the first cutter handle is located in the opening, the pressing rod is located in the opening when pressed downwards, the structure is simple, and reliability is good.

As an improvement, a shaft is fixed on the shell, and a through hole which is movably sleeved on the shaft is arranged at the front end of the pressure lever, so that the structure is simple.

As an improvement, the front end of the shell is provided with an inner cavity for the first blade to move up and down, so that enough moving space is ensured for the first blade to work.

As an improvement, still be fixed with the second handle of a knife on the second blade, the second blade is located the casing and fixes the front end at the second handle of a knife, the tail end of first handle of a knife rotates with the tail end of second handle of a knife to be connected just return spring establishes at both tail ends, increases the second handle of a knife, can increase the fixed strength of second blade, also is favorable to return spring's effect simultaneously more.

Drawings

Fig. 1 is an explosion diagram of the safe labor-saving yarn scissors of the utility model.

Fig. 2 is a schematic view of the safety labor-saving yarn cutter of the present invention.

Fig. 3 is a schematic view of the two view angles of the safe and labor-saving yarn cutter of the present invention.

Fig. 4 is a schematic view of the normal state of the safe and labor-saving yarn cutter of the present invention.

Fig. 5 is a schematic view of the internal structure of fig. 4.

Fig. 6 is a schematic diagram of the shearing state of the safe labor-saving yarn cutter of the present invention.

Fig. 7 is a schematic view of the internal structure of fig. 6.

Shown in the figure:

1. first blade, 2, first handle of a knife, 3, second blade, 4, second handle of a knife, 6, casing, 7, passageway, 7.1, first breach, 7.2, second breach, 8, depression bar, 9, opening, 10, axle.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-7, the utility model discloses a laborsaving yarn scissors of safety, including being equipped with the scissors body of first blade 1 and second blade 3 be connected with first handle of a knife 2, the tail end of first handle of a knife 2 is equipped with return spring, and second blade 3 is fixed in casing 6, and is fixed not move when using, and return spring's one end is connected at the tail end of first handle of a knife 2, and the other end is connected at casing 6, and is exactly different with the connection structure of first blade 1 and first handle of a knife 2, directly saves the second handle of a knife, also can realize cuting the yarn.

The utility model discloses a laborsaving yarn of safety is cut and is still equipped with second handle of a knife 4, and first blade 1 is fixed at the front end of first handle of a knife 2, and second blade 3 is fixed at the front end of second handle of a knife 4, and first handle of a knife 2 and second handle of a knife 4 are arc, and the inboard of first blade 1 and second blade 3 is equipped with the cutting edge, and when cuting, the cutting edge of first blade 1 is in opposite directions and hugs closely with the cutting edge of second blade 3 to cut yarn etc.. The tail end of the first cutter handle 2 is rotatably connected with the tail end of the second cutter handle 4 and is provided with a return spring; after shearing, the return spring is reset, so that the first knife handle 2 and the second knife handle 4 are reversely flicked and reset.

The safe labor-saving yarn scissors of the utility model are also provided with a shell 6 wrapped outside the scissors body, the shell 6 comprises a first shell 6.1 and a second shell 6.2, the first shell 6.1 is fixedly connected with the second shell 6.2,

the front end of the shell 6 is provided with a channel 7 for yarn to enter, the channel 7 is open, the opening is located at the front end of the shell 6, the channel 7 is arranged along the length direction of the second blade 3, the shell 6 and the second blade 3 are fixed when the yarn cutter works, and the first blade 1 faces downwards when the yarn cutter works and is matched with the second blade 3 for cutting yarns.

The top of passageway 7 is equipped with the first breach 7.1 that supplies first blade 1 to pass, the top of passageway 7 is equipped with the second breach 7.2 that supplies first blade 1 to pass, first blade 1 passes first breach 7.1 and second breach 7.2 downwards and second blade 3 shearing yarn, second blade 3 is fixed in casing 6.

The front end of the shell 6 is provided with an inner cavity for the first blade 1 to move up and down, and when the first blade 1 penetrates through the first notch 7.1 and the channel 7 and then enters the second notch 7.2 to be sheared with the second notch 7.2.

And a lever type pressure lever 8 is arranged on the outer side of the first knife handle 2. The front end of the compression bar 8 is rotatably connected to the shell 6 as a fulcrum, a bulge 8.1 which is abutted against the outer side of the first cutter handle 2 is arranged at the bottom of the compression bar 8, a resistance arm is arranged from the bulge 8.1 to the fulcrum, a power arm is arranged from the tail end of the compression bar 8 to the fulcrum, the distance between the power arm and the fulcrum is greater than that between the resistance arm, and according to the lever principle, the distance between the power arm and the fulcrum is long, so that the required pressure is small.

The shell 6 is provided with an opening 9 on the position of the pressure rod 8, the middle part of the first knife handle 2 is positioned in the opening 9, and the pressure rod 8 is positioned in the opening 9 when pressed downwards.

A shaft 10 is fixed on the shell 6, and a through hole which is movably sleeved on the shaft 10 is arranged at the front end of the pressure lever 8.

Claims

1. A safe labor-saving yarn scissors comprises a scissors body provided with a first blade (1) and a second blade (3) which are connected with a first knife handle (2), wherein the tail end of the first knife handle (2) is provided with a return spring; the method is characterized in that: still be equipped with parcel at this external casing (6) of scissors, the front end of casing (6) is equipped with passageway (7) that the yarn got into, the top of passageway (7) is equipped with first breach (7.1) that supply first blade (1) to pass, the top of passageway (7) is equipped with second breach (7.2) that supply first blade (1) to pass, first blade (1) is passed first breach (7.1) and second breach (7.2) and second blade (3) downwards and is cuted the yarn, second blade (3) are fixed in casing (6).

2. A safe and labor-saving shears according to claim 1, wherein: the shell (6) comprises a first shell (6.1) and a second shell (6.2), and the first shell (6.1) and the second shell (6.2) are fixedly connected.

3. A safe and labor-saving shears according to claim 1, wherein: and a lever-type pressure lever (8) is arranged on the outer side of the first knife handle (2).

4. A safe and labor-saving shears according to claim 3, wherein: the front end of the pressing rod (8) is connected to the shell (6) in a rotating mode as a fulcrum, a bulge (8.1) which is abutted to the outer side of the first cutter handle (2) is arranged at the bottom of the pressing rod (8), the bulge (8.1) is a resistance arm to the fulcrum, the tail end of the pressing rod (8) is a power arm to the fulcrum, and the distance between the power arm and the resistance arm is larger than that between the power arm and the resistance arm.

5. A safe and labor-saving shears according to claim 4, wherein: the shell (6) is located on the pressing rod (8) and provided with an opening (9), the middle of the first knife handle (2) is located in the opening (9), and the pressing rod (8) is located in the opening (9) when pressed down.

6. A safe and labor-saving shears according to claim 4, wherein: a shaft (10) is fixed on the shell (6), and a through hole which is movably sleeved on the shaft (10) is formed in the front end of the pressure lever (8).

7. A safe and labor-saving shears according to claim 4, wherein: the front end of the shell (6) is provided with an inner cavity for the first blade (1) to move up and down.

8. A safe and labor-saving shears according to claim 1, wherein: still be fixed with second handle of a knife (4) on second blade (3), second blade (3) are located casing (6) and fix the front end at second handle of a knife (4), the tail end of first handle of a knife (2) rotates with the tail end of second handle of a knife (4) to be connected just return spring establishes the tail end between them.