CN209774719U - Knife for cutting edge of knife - Google Patents

Abstract

The utility model relates to a solve cutting edge of a knife, including blade and handle of a knife, the handle of a knife connect in the one end of blade, the blade includes back of a knife blade, first cutting edge, second cutting edge and third cutting edge, first cutting edge with the back of a knife blade sets up relatively, the second cutting edge with the back of a knife blade homonymy sets up, the second cutting edge connect in the back of a knife blade is kept away from the one end of handle of a knife, the third cutting edge connect in first cutting edge with between the second cutting edge, the third cutting edge with first cutting edge is crossing to form first knife tip, the third cutting edge with the second cutting edge is crossing to form the second knife tip. The utility model discloses a solve cutting edge of a knife or a sword and can be used to glass to seal and glue and cut to can carry out the griffe in a plurality of directions, can be applicable to multi-direction cutting well.

Description

Knife for cutting edge of knife

Technical Field

The utility model relates to a glass seals and glues cutting equipment field, especially relates to a separate cutting edge of a knife.

Background

When the optical performance of the architectural glass is detected, the hollow glass to be detected needs to be separated. The traditional method is to cut the sealant of the hollow glass by an art knife, the art knife is often broken due to the soft sealant, strong viscosity and large thickness of the glass sealant, and the traditional art knife can only be carried by a single side and is not suitable for multi-directional cutting.

SUMMERY OF THE UTILITY MODEL

Therefore, a tool edge removing knife is needed to solve the problem that a traditional art knife can only be used for a single-side lifting knife when cutting glass sealing glue and is not suitable for multi-direction cutting, and the tool edge removing knife can be used for a multi-direction lifting knife and is suitable for multi-direction cutting.

The utility model provides a solve cutting edge of a knife, includes blade and handle of a knife, the handle of a knife connect in the one end of blade, the blade includes back of a knife blade, first cutting edge, second cutting edge and third cutting edge, first cutting edge with the back of a knife blade sets up relatively, the second cutting edge with back of a knife blade homonymy sets up, the second cutting edge connect in the back of a knife blade is kept away from the one end of handle of a knife, the third cutting edge connect in first cutting edge with between the second cutting edge, the third cutting edge with first cutting edge is crossing to form first knife tip, the third cutting edge with the second cutting edge is crossing to form the second knife tip.

Above-mentioned knife edge of a knife or a sword separates through being provided with first cutting edge, second cutting edge and third cutting edge on the blade, the direction diverse of first cutting edge, second cutting edge and third cutting edge, so, can select the most suitable direction to carry out the griffe when cutting glass and sealing glue to can be applicable to multi-direction cutting well.

In one embodiment, an included angle between the third cutting edge and the first cutting edge is an acute angle, and an included angle between the third cutting edge and the second cutting edge is an obtuse angle.

In one embodiment, the surface of the knife back is arranged in a plane.

In one embodiment, a hand guard is arranged between the knife body and the knife handle.

In one of them embodiment, the hand protector includes the hand protector dish and locates the installation department of hand protector dish one side, the blade is fixed in the installation department, the handle of a knife is fixed in one side that the installation department was kept away from to the hand protector dish.

In one embodiment, the blade is removably attached to the mounting portion.

In one embodiment, the mounting portion is provided with a slot for inserting an end of the blade body, the mounting portion is further provided with a first mounting hole, the blade body is provided with a second mounting hole corresponding to the first mounting hole, and a fastener sequentially penetrates through the first mounting hole and the second mounting hole to lock and fix the blade body and the mounting portion.

In one embodiment, the mounting portion is provided with a plurality of first mounting holes, the end portion of the blade body is correspondingly provided with a plurality of second mounting holes, and the fastening member is a slotted taper end positioning screw.

In one embodiment, the outer peripheral surface of the tool shank is arranged in a single-sheet double-curved surface.

In one embodiment, a protection part is arranged at one end, far away from the knife body, of the knife handle, and the protection part is arranged in a hemispherical mode.

Drawings

Fig. 1 is a schematic structural view of a knife for cutting off the edge of a blade according to an embodiment of the present invention;

Fig. 2 is an exploded view of the knife of fig. 1.

10. The knife body, 11, the back of a knife blade, 12, first sword, 13, second cutting edge, 14, third cutting edge, 15, second mounting hole, 20, handle of a knife, 21, guard portion, 30, hand protector, 31, hand protector dish, 32, installation department, 321, slot, 322, first mounting hole, 40, fastener.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

it will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. In the present invention, the terms "first", "second" and "third" do not denote any particular quantity or order, but are merely used to distinguish names.

Referring to fig. 1 and 2, the tool for removing the tool point includes a tool body 10 and a tool holder 20, the tool holder 20 is connected to one end of the tool body 10, the tool body 10 includes a back 11, a first blade 12, a second blade 13 and a third blade 14, the first blade 12 is arranged opposite to the back 11, the second blade 13 is arranged at the same side of the back 11, the second blade 13 is connected to one end of the back 11 far from the tool holder 20, the third blade 14 is connected between the first blade 12 and the second blade 13, the third blade 14 intersects with the first blade 12 to form a first tool point, and the third blade 14 intersects with the second blade 13 to form a second tool point.

Specifically, the edge-breaking knife can be used for cutting glass sealing adhesive, wherein two opposite sides of the first blade 12 are obliquely arranged to form a first blade surface, two opposite sides of the second blade 13 are obliquely arranged to form a second blade surface, two opposite sides of the third blade are obliquely arranged to form a third blade surface, and an operator can select different blades to cut according to actual conditions. The blade 10 is generally made of a material with high hardness, such as high carbon steel, 420J2 stainless steel, or 4Cr13 low-carbon high-chromium steel, and is more suitable for cutting glass sealing compound compared with a common art knife. In addition, the thickness of the knife body 10 can be set to be 6-8 mm at the thickest, and the risk of knife breakage can be further reduced. The handle 20 is mainly used for an operator to hold, and the handle 20 can be generally made of stainless steel, aluminum alloy or solid wood.

The knife body 10 of the knife for removing the cutting edge is provided with the first cutting edge 12, the second cutting edge 13 and the third cutting edge 14, and the directions of the first cutting edge 12, the second cutting edge 13 and the third cutting edge 14 are different, so that the most appropriate direction can be selected for lifting the knife when the glass sealing adhesive is cut, and the knife can be well suitable for multi-direction cutting.

Further, the included angle between the third blade 14 and the first blade 12 is an acute angle, and the included angle between the third blade 14 and the second blade 13 is an obtuse angle. In the actual use process, the first knife tip or the second knife tip can be selected to cut according to the requirements so as to meet different use occasions.

Further, the surface of the blade back 11 is arranged in a plane. Specifically, as shown in fig. 1, the length of the knife back 11 is about two thirds of the length of the first knife edge 12, and the surface of the knife back 11 is configured to be a rectangular plane, so that if a knife is broken during cutting, the knife back 11 is effectively prevented from being too sharp to scratch an operator.

In order to further improve the use safety of the knife for breaking the knife edge, a hand guard 30 is arranged between the knife body 10 and the knife handle 20, the knife body 10 and the knife handle 20 are separated through the hand guard 30, and the hand jaw and the forearm of an operator can be effectively prevented from being scratched when the knife is broken.

Further, as shown in fig. 1, the hand guard 30 includes a hand guard plate 31 and a mounting portion 32 provided on one side of the hand guard plate 31, the knife body 10 is fixed to the mounting portion 32, and the knife handle 20 is fixed to one side of the hand guard plate 31 away from the mounting portion 32. The cross-sectional area of the hand protection plate 31 can be set relatively large to provide a good protection for the hands of the operator.

Further, the blade body 10 is detachably attached to the mounting portion 32. Specifically, the blade 10 and the mounting portion 32 may be detachably fixed by means of screw connection, snap connection, or the like, so that when the blade 10 is worn or broken, it is only necessary to detach it for replacement. In addition, the operator can replace different knife bodies 10 according to actual conditions to achieve a better cutting effect, and the practical value of the edge breaking knife can be effectively improved.

Further, referring to fig. 2, the mounting portion 32 is provided with a slot 321 for inserting an end of the blade 10, the mounting portion 32 is further provided with a first mounting hole 322, the blade 10 is provided with a second mounting hole 15 corresponding to the first mounting hole 322, and the fastener 40 sequentially passes through the first mounting hole 322 and the second mounting hole 15 to lock and fix the blade 10 and the mounting portion 32. The fastening member 40 may be a screw, a bolt, etc. The blade 10 is easily locked and fixed to the mounting portion 32 by the fastening member 40, so that the reliability of the mounting of the blade 10 is ensured and the replacement of the blade 10 is facilitated.

Preferably, the mounting portion 32 is provided with a plurality of first mounting holes 322, the first mounting holes 322 penetrate through two sides of the mounting portion 32, the end portion of the blade 10 is correspondingly provided with a plurality of second mounting holes 15, and the fastening member 40 is a slotted taper end positioning screw. Through the cooperation of a plurality of fluting awl end set screws, a plurality of first mounting hole 322 and a plurality of second mounting hole 15, can further ensure the installation reliability of blade 10, avoid taking place to rock or drop at the in-process blade 10 that cuts.

Further, as shown in fig. 2, the outer peripheral surface of the tool holder 20 is a single-blade hyperboloid, so that a radian is formed between two ends of the tool holder 20, which is convenient for an operator to hold and exert force through the tiger's mouth to perform effective cutting. In addition, the outer peripheral surface of the knife handle 20 is smooth and comfortable, and the knife handle is suitable for holding the knife for a long time, so that the knife handle can be well suitable for occasions needing to cut glass sealing glue for a long time.

Further, a protection part 21 is arranged at one end of the knife handle 20 far away from the knife body 10, and the protection part 21 is arranged in a hemispherical shape. Through setting protection part 21 to the hemisphere, can play certain cushioning effect when handle of a knife 20 strikes ground to can effectively avoid leading to blade 10 impaired because of handle of a knife 20 strikes ground, further prolong the life who knows the cutting edge sword.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a solve cutting edge of a knife, its characterized in that, includes blade and handle of a knife, the handle of a knife connect in the one end of blade, the blade includes back of a knife blade, first cutting edge, second cutting edge and third cutting edge, first cutting edge with the back of a knife blade sets up relatively, the second cutting edge with the back of a knife blade homonymy sets up, the second cutting edge connect in the back of a knife blade is kept away from the one end of handle of a knife, the third cutting edge connect in first cutting edge with between the second cutting edge, the third cutting edge with first cutting edge is crossing forms first knife tip, the third cutting edge with the second cutting edge is crossing forms the second knife tip.

2. The depilling knife according to claim 1, wherein the angle between said third cutting edge and said first cutting edge is acute and the angle between said third cutting edge and said second cutting edge is obtuse.

3. The deflashing knife according to claim 1, wherein the surface of the back is planar.

4. The knife of claim 1, wherein a hand guard is disposed between the blade and the handle.

5. The knife of claim 4, wherein the hand guard comprises a hand guard disc and an installation part arranged on one side of the hand guard disc, the knife body is fixed on the installation part, and the knife handle is fixed on one side, far away from the installation part, of the hand guard disc.

6. The break-away knife of claim 5, wherein the blade is removably connected to the mounting portion.

7. The knife of claim 6, wherein the mounting portion has a slot for inserting an end of the blade, the mounting portion further has a first mounting hole, the blade has a second mounting hole corresponding to the first mounting hole, and a fastener sequentially passes through the first mounting hole and the second mounting hole to lock and fix the blade to the mounting portion.

8. The knife of claim 7, wherein the mounting portion has a plurality of first mounting holes, the end portion of the blade has a plurality of second mounting holes, and the fastening member is a slotted taper positioning screw.

9. The knife of any one of claims 1 to 8, wherein the outer peripheral surface of the handle is arranged in a single-sheet hyperboloid.

10. The knife of claim 9, wherein a protective portion is disposed at an end of the knife handle away from the knife body, and the protective portion is disposed in a hemispherical shape.