Tool knife

Abstract

The utility model discloses a tool knife which comprises an art knife, a protection assembly is arranged on the surface of the art knife and comprises an arc-shaped strip, one end of the arc-shaped strip integrally extends to form a protection sleeve plate, an inner cavity of the protection sleeve plate is sleeved with a sliding plate in a sliding mode, and sliding grooves are symmetrically formed in the inner cavity of the protection sleeve plate. A sliding groove is formed in the protective sleeve plate, a sliding block integrally extends from the side face of the sliding plate, the sliding block is connected in an inner cavity of the sliding groove in a sliding and sleeved mode, a wear-resisting layer is arranged at the bottom of the sliding plate, a pin shaft is fixedly connected to the surface of the protective sleeve plate in a sleeved mode, and a fastener is connected to the surface of the protective sleeve plate in a threaded and sleeved mode. According to the tool knife, the problems that due to the fact that the knife point part is weak, the knife point part is frequently broken in the actual using process, the broken knife point is splashed sometimes and is prone to splashing to personnel, and harm is caused are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of cutter tools, in particular to a tool knife. Background Art

[0002] Utility knife, used for cutting, is also commonly known as carving knife or wallpaper knife. When the utility knife is used normally, usually only the tip of the knife is used. Cutting, carving and dotting are the main functions. However, the blade of this kind of knife is very brittle and the blade cannot be extended too long when used. In addition, the hardness and durability of the blade (these are two concepts in utility knives) also vary due to the different textures of the blade.

[0003] When a utility knife is used normally, usually only the tip of the knife is used for cutting. However, since the tip of the knife is relatively weak, it often breaks during actual use. The broken tip of the knife sometimes splashes and can easily splash onto people, causing harm. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a tool knife, which solves the problem that the tip of the knife is relatively weak and therefore often breaks during actual use, and the broken tip of the knife sometimes splashes and easily splashes onto people, thus causing harm.

[0005] To achieve the above purpose, the utility model is implemented through the following technical scheme: a tool knife, including an art knife, a protective component is arranged on the surface of the art knife, the art knife includes a handle and a blade, the end surface of the handle is provided with an arc-shaped slide groove, and the surface of the blade is fixed with a through hole, the protective component includes an arc-shaped strip, one end of the arc-shaped strip is integrally extended with a protective sleeve, and the inner cavity of the protective sleeve is slidably sleeved with a sliding plate, the inner cavity of the protective sleeve is symmetrically provided with slide grooves, and the side of the sliding plate is integrally extended with a slider, the slider is slidably sleeved in the inner cavity of the slide groove, the bottom of the sliding plate is provided with a wear-resistant layer, the surface of the protective sleeve is fixedly sleeved with a pin shaft, and the surface of the protective sleeve is threadedly sleeved with a fastener.

[0006] Preferably, the arc strip is slidably sleeved in the inner cavity of the arc slot, and the pin shaft is rotatably sleeved on the through hole, and the protective sleeve plate is located outside the two sides of the blade.

[0007] Preferably, both ends of the pin are flush with the surface of the protective sleeve plate.

[0008] Preferably, one end of the fastener abuts against the surface of the sliding plate.

[0009] Preferably, the utility knife further comprises a pushing member, a bottom cover is clamped on one end of the knife handle, and a screw rod is threadedly sleeved on the surface of the knife handle.

[0010] Preferably, the pushing member is slidably sleeved in the inner cavity of the knife handle, and the blade is arranged in the pushing member, and one end of the screw rod abuts against the surface of the blade.

[0011] The utility model provides a utility knife. Compared with the prior art, it has the following beneficial effects:

[0012] 1. The utility knife drives the blade to slide out by pushing the pusher, and the connection between the pin shaft and the blade also drives the arc strip to slide out in the arc slide groove. When cutting with the tip of the knife, the wear-resistant layer at the bottom of the sliding plate will be contacted first. After being subjected to pressure, the sliding plate will be retracted in the inner cavity of the protective sleeve. In this way, after the tip of the blade is broken, the broken tip can be blocked by the protective sleeves and the sliding plates on both sides, thereby avoiding the splashing phenomenon caused by the broken tip of the traditional blade.

[0013] 2. When the utility knife is not in use, reverse the screw rod to loosen the blade, and push the pusher to reset the blade. At the same time, the arc strip will reset in the arc groove until the protective cover plate rests on the end of the knife handle, and then reverse the fastener. One end of the fastener fixes the sliding plate, so that the bottom of the sliding plate protrudes from the tip of the blade, which can avoid direct contact with the blade and cause harm.

[0014] 3. The utility knife, through the sliding block provided in the slide groove, is used to limit the sliding plate to prevent the sliding plate from falling directly out of the inner cavity of the protective sleeve plate, and the wear-resistant layer can prevent the sliding plate from being worn due to long-term contact and sliding with objects. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the utility knife structure of the utility model;

[0017] Figure 3 This is a bottom view of the utility knife structure of the utility model;

[0018] Figure 4 This is a partial schematic diagram of the utility knife structure of the utility model;

[0019] Figure 5 This is a partial cross-sectional view of the utility knife structure of the utility model;

[0020] Figure 6 This is a schematic diagram of the structural protection component of the utility model;

[0021] Figure 7 This is a cross-sectional view of the structural protection component of the utility model;

[0022] Figure 8It is a schematic diagram of the structural sliding plate of the utility model.

[0023] In the figure: 1. utility knife; 11. knife handle; 12. bottom cover; 13. pusher; 14. screw rod; 15. blade; 16. arc-shaped slide groove; 17. through hole; 2. protection component; 21. arc-shaped strip; 22. protection sleeve; 23. pin shaft; 24. sliding plate; 25. slide groove; 26. slider; 27. wear-resistant layer; 28. fastener. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5 The utility model provides a technical solution: a tool knife, comprising a utility knife 1, a protective component 2 is arranged on the surface of the utility knife 1, the utility knife 1 comprises a handle 11 and a blade 15, an end surface of the handle 11 is provided with an arc-shaped slide groove 16, and the surface of the blade 15 is fixedly provided with a through hole 17, the utility knife 1 also comprises a pushing member 13, one end of the handle 11 is clamped with a bottom cover 12, the surface of the handle 11 is threadedly sleeved with a screw rod 14, the pushing member 13 is slidably sleeved in the inner cavity of the handle 11, wherein the surface of the handle 11 is provided with a sliding groove for the pushing member 13 to slide, and the pushing member 13 is located on the surface of the handle 11, so that the handle 11 is held and the pushing member 13 is pushed by a finger, the pushing member 13 will drive the blade 15 to slide out, and the blade 15 is arranged in the pushing member 13, one end of the screw rod 14 abuts on the surface of the blade 15, and the blade 15 is tightened by rotating the screw rod 14 so that one end of the screw rod 14 abuts on the surface of the blade 15.

[0026] The protection component 2 includes an arc-shaped strip 21, one end of which is integrally extended with a protection sleeve 22, and the inner cavity of the protection sleeve 22 is slidably sleeved with a sliding plate 24, the inner cavity of the protection sleeve 22 is symmetrically provided with a slide groove 25, and the side of the sliding plate 24 is integrally extended with a slider 26, the slider 26 is slidably sleeved in the inner cavity of the slide groove 25, and the bottom of the sliding plate 24 is provided with a wear-resistant layer 27, the surface of the protection sleeve 22 is fixedly sleeved with a pin shaft 23, and the two ends of the pin shaft 23 are flush with the surface of the protection sleeve 22, and the overall appearance can be improved by flushing, and the surface of the protection sleeve 22 is threadedly sleeved with a fastener 28, one end of the fastener 28 abuts on the surface of the sliding plate 24, and the sliding plate 24 can be fastened by rotating the fastener 28 so that one end of the fastener 28 abuts on the sliding plate 24, so that the sliding plate 24 can be fastened, so that the sliding plate 24 can wrap the blade 15 when not in use, to prevent the blade 15 from causing harm to personnel when not in use.

[0027] The arc strip 21 is slidably sleeved in the inner cavity of the arc slot 16, and the pin shaft 23 is rotatably sleeved on the through hole 17, and the protective sleeve plate 22 is located outside the two sides of the blade 15, wherein the length of the arc strip 21 in the inner cavity of the arc slot 16 is greater than the length of the blade 15 extending out, such that the arc strip 21 will not fall off.

[0028] When working, hold the knife handle 11 and use your fingers to push the pushing member 13 to slide in the inner cavity of the knife handle 11, thereby driving the blade 15 installed on the pushing member 13 to slide out of the inner cavity of the knife handle 11. At the same time, through the connection between the pin shaft 23 and the blade 15, the arc strip 21 will also be driven to slide out in the arc slot 16. When the blade 15 slides out to the required length, turn the screw rod 14 so that one end of the screw rod 14 rests on the surface of the blade 15 to fix the blade 15, and then turn the fastener 28 so that a point of the fastener 28 leaves the sliding plate 24 and no longer fixes the sliding plate 24. When cutting with the knife tip, the wear-resistant layer 27 at the bottom of the sliding plate 24 will be contacted first, wherein the wear-resistant layer 27 can prevent the sliding plate 24 from sliding in contact with objects for a long time and causing wear.

[0029] After being subjected to pressure, the sliding plate 24 will be retracted in the inner cavity of the protective sleeve plate 22, and the slider 26 will slide together in the slide groove 25, and then the tip of the blade 15 will contact the cutting object. In this way, after the tip of the blade 15 is broken, the broken tip can be blocked by the protective sleeve plates 22 and the sliding plate 24 on both sides, which can avoid the splashing phenomenon caused by the broken tip of the traditional blade 15. In addition, when not in use, the screw rod 14 is reversed to loosen the blade 15 by the screw rod 14, and the blade 15 is reset by pushing the pusher 13. At the same time, the arc strip 21 will also be reset in the arc slide groove 16 until the protective sleeve plate 22 is against the end of the handle 11, and then the fastener 28 is reversed, and one end of the fastener 28 is fixed to the sliding plate 24, so that the bottom of the sliding plate 24 protrudes from the tip of the blade 15, which can avoid direct contact with the blade 15 and cause harm.

[0030] The sliding block 26 is provided to slide in the inner cavity of the slide groove 25 in order to limit the sliding plate 24 and prevent the sliding plate 24 from falling directly out of the inner cavity of the protective sleeve plate 22 .

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A utility knife, comprising a utility knife (1), characterized in that: The surface of the utility knife (1) is provided with a protective component (2); The utility knife (1) comprises a handle (11) and a blade (15); an arc-shaped slide groove (16) is provided on the end surface of the handle (11), and a through hole (17) is fixedly provided on the surface of the blade (15); The protective component (2) comprises an arc-shaped strip (21), one end of which is integrally extended with a protective sleeve (22), and the inner cavity of the protective sleeve (22) is slidably sleeved with a sliding plate (24), the inner cavity of the protective sleeve (22) is symmetrically provided with sliding grooves (25), and the side of the sliding plate (24) is integrally extended with a sliding block (26), the sliding block (26) is slidably sleeved in the inner cavity of the sliding groove (25), the bottom of the sliding plate (24) is provided with a wear-resistant layer (27), the surface of the protective sleeve (22) is fixedly sleeved with a pin shaft (23), and the surface of the protective sleeve (22) is threadedly sleeved with a fastener (28).

2. A utility knife according to claim 1, characterized in that: The arc strip (21) is slidably sleeved in the inner cavity of the arc slot (16), and the pin shaft (23) is rotatably sleeved on the through hole (17), and the protective sleeve plate (22) is located outside the two sides of the blade (15).

3. A utility knife according to claim 2, characterized in that: Both ends of the pin shaft (23) are flush with the surface of the protective sleeve plate (22).

4. The utility knife according to claim 1, characterized in that: One end of the fastener (28) abuts against the surface of the sliding plate (24).

5. The utility knife according to claim 1, characterized in that: The utility knife (1) further comprises a pushing member (13); one end of the knife handle (11) is clamped with a bottom cover (12); and a screw rod (14) is threadedly sleeved on the surface of the knife handle (11).

6. A utility knife according to claim 5, characterized in that: The pushing member (13) is slidably sleeved in the inner cavity of the knife handle (11), and the blade (15) is arranged in the pushing member (13), and one end of the screw rod (14) abuts against the surface of the blade (15).

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