CN216940802U

CN216940802U - Rotatable art designer's sword

Info

Publication number: CN216940802U
Application number: CN202220001896.5U
Authority: CN
Inventors: 马云雷; 焦仁政; 卢淦; 巫连飞
Original assignee: Henan Jianghua Measure Tools Co ltd
Current assignee: Henan Jianghua Measure Tools Co ltd
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-07-12
Anticipated expiration: 2032-01-04

Abstract

The utility model relates to the technical field of art designing knives, in particular to a rotatable art designing knife which comprises a knife body, a knife cover, a knife rest, a T-shaped blade, a handle and a connecting rod mechanism, wherein the knife body and the knife cover are connected in a buckling manner; the inner side of the knife cover is also provided with a third slide rail, a knife rest slide rail and a safety lock fixing groove; the connecting rod mechanism comprises a first connecting rod, a second connecting rod and a third connecting rod which are connected in sequence, a first fixed button and a second fixed button are further arranged on the third connecting rod, and a first arc-shaped track and a second arc-shaped track are further arranged on the handle. The utility model provides a rotatable art knife, which can realize the function of a scraper by single-hand operation, has multiple functions, can be used alternately and seamlessly in actual working conditions, and has smooth, safe and reliable switching function.

Description

Rotatable art designer's sword

Technical Field

The utility model relates to the technical field of art designing knives, in particular to a rotatable art designing knife.

Background

The art designing knife is also commonly called as a graver or a wallpaper knife, is a knife for art and handicraft, is mainly used for cutting objects with soft texture, mainly consists of a plastic knife handle and a blade, and is of a drawing structure. Also have a small number for the metal handle of a knife, the blade is mostly the bevel connection, can follow the marking off rupture of blade with the blunt, appears new blade point, facilitates the use. The utility knife has various sizes. The utility knife for general industry is usually designed as a single piece based on the strength of the knife blade, so as to avoid the problem of insufficient structural strength caused by the preset breaking line.

In the prior art, an art designing knife and a scraper are usually used separately, the scraper is used for scraping off unwanted objects such as stickers and advertisement paper on a plane, the two kinds of knives are inconvenient to carry at the same time, and are easy to be injured and unsafe in the process of back-and-forth replacement.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is: the rotatable art knife has the advantages that the function of the scraper can be realized through one-hand operation, the knife is multipurpose, the scraper and the art knife can be used alternatively and seamlessly in the actual working condition, and the switching function is smooth, safe and reliable.

In order to achieve the purpose, the utility model adopts the following technical scheme: a rotatable art knife comprises a knife body, a knife cover, a knife rest, a T-shaped blade, a handle and a connecting rod mechanism, wherein the knife body and the knife cover are connected in a buckling manner; the inner side of the knife cover is also provided with a third slide rail, a knife rest slide rail and a safety lock fixing groove; the connecting rod mechanism comprises a first connecting rod, a second connecting rod and a third connecting rod which are sequentially connected, one end, far away from the second connecting rod, of the first connecting rod is connected with the tension spring fixing column, the tension spring fixing column is further arranged on the second connection, a first fixing button and a second fixing button are further arranged on the third connecting rod, the second connecting rod is connected with the knife body through a tension spring, a first arc-shaped rail and a second arc-shaped rail are further arranged on the handle, a safety lock is arranged in the safety lock fixing groove, and the knife rest comprises an upper knife rest, a lower knife rest and a knife changing shifting piece; the T-shaped blade is installed on the blade body after being clamped by the upper tool rest, the lower tool rest and the tool changing shifting piece in a matching mode, and the tail end of the first sliding rail is further provided with a connecting rod fixing groove.

Further, the tool rest slide rail is a linear rail and is composed of a circular rail close to the tool head end and a square rail connected with the circular rail, a square bulge matched with the square rail and a fixing column connected with the third connecting rod are arranged at the bottom end of the lower tool rest, the square bulge is located at the rotating center of the tool rest, and the fixing column is located at the corresponding position of the second slide rail.

Further, the connecting shafts of the first connecting rod and the second connecting rod are connected with the second arc-shaped track in a sliding mode.

Furthermore, the connecting shafts of the second connecting rod and the third connecting rod are connected with the third slide rail in a sliding manner.

Further, the safety lock is connected with the first arc-shaped track in a sliding mode.

Furthermore, the third connecting rod and the center of the tool rest move eccentrically to drive the tool rest to rotate eccentrically by taking the square bulge as a circle center and the fixed column as a connecting point, and meanwhile, the tool rest is limited to move in the tool rest slide rail.

The beneficial effects of the utility model are:

1) when the safety lock is matched with the handle, the connecting rod moves to drive the tool rest to slide so as to push out the blade, the first fixing button is clamped in the fixing groove to prevent the blade from moving forwards again, the first fixing button can be used for cutting an object, when the handle is released, the tension spring pulls the connecting rod to reset, and the tool rest moves to recover to an initial position; the safety knife can be used as a safety knife, the stretching of the blade is controlled through the reciprocating motion of the handle, the structure is simple, the use is convenient, and the safety performance is strong.

2) When the first fixing button is clamped in the fixing groove, the knife rest can continuously move forwards by pressing the secondary switch, the knife rest is pushed out along the knife rest sliding rail, the blade rotates ninety degrees by eccentric rotation to form a scraper form, the second fixing button clamps the fixing groove locking structure at the moment, and the second fixing button is separated from the fixing groove after being pressed down and is reset under the action of the tension spring; the knife can be used as an art knife to cut objects, can also be changed into a scraper to scrape sundry goods, and has the advantages of reasonable structure, simple operation and low cost.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of the inner side of the blade of the present invention.

FIG. 3 is a schematic view of the inner side of the knife cover according to the present invention.

FIG. 4 is a schematic view of the outer side of the blade of the present invention.

Fig. 5 is a schematic structural view of the upper tool holder.

Fig. 6 is a schematic structural view of the lower tool holder.

Fig. 7 is a schematic view of the tool changing blade.

Fig. 8 is a schematic structural view of the link mechanism.

In the figure: 1. a blade body; 2. a knife cover; 3. a tool holder; 4. a T-shaped blade; 5. a grip; 6. a link mechanism; 7. a first slide rail; 8. a second slide rail; 9. a tool holder slide rail; 10. a tension spring fixing column; 11. a handle fixing column; 12. a blade button; 13. a third slide rail; 15. a safety lock fixing groove; 16. a first link; 17. a second link; 18. a third link; 19. a first fixed button; 20. a second fixed button; 21. a tension spring; 22. a first arcuate track; 23. a second arcuate track; 24. a safety lock; 25. an upper tool rest; 26. a lower tool rest; 27. changing a tool plectrum; 28. connecting rod fixed slot.

Detailed Description

The utility model is further explained below with reference to the figures and the embodiments.

The embodiment is as follows: as shown in fig. 1 to 8, the rotatable art designing knife of the present invention comprises a knife body 1, a knife cover 2, a knife rest 3, a T-shaped blade 4, a handle 5, and a link mechanism 6, which are fastened and connected, wherein a first slide rail 7, a second slide rail 8, a knife rest slide rail 9, a tension spring fixing column 10, and a handle fixing column 11 are arranged on the inner side of the knife body 1, and a knife body button 12 is further arranged on the outer side of the knife body 1 corresponding to the first slide rail 7; the inner side of the knife cover 2 is also provided with a third slide rail 13, a knife rest slide rail 9 and a safety lock fixing groove 15; the connecting rod mechanism 6 comprises a first connecting rod 16, a second connecting rod 17 and a third connecting rod 18 which are sequentially connected, one end, far away from the second connecting rod 17, of the first connecting rod 16 is connected with a tension spring fixing column 10, the tension spring fixing column 10 is further arranged on the second connection, a first fixing button 19 and a second fixing button 20 are further arranged on the third connecting rod 18, the second connecting rod 17 is connected with the knife body 1 through a tension spring 21, a first arc-shaped rail 22 and a second arc-shaped rail 23 are further arranged on the handle 5, a safety lock 24 is arranged in a safety lock fixing groove 15, and the knife rest 3 comprises an upper knife rest 25, a lower knife rest 26 and a knife changing shifting piece 27; the T-shaped blade 4 is clamped by an upper tool rest 25, a lower tool rest 26 and a tool changing shifting piece 27 in a matching way and then is arranged on the blade 1, and the tail end of the first sliding rail 7 is also provided with a connecting rod fixing groove 28; the tool rest slide rail 9 is a linear rail and consists of a circular rail close to the tool head end and a square rail connected with the circular rail, a square bulge matched with the square rail and a fixed column connected with the third connecting rod 18 are arranged at the bottom end of the lower tool rest 26, the square bulge is positioned at the rotating center of the tool rest 3, and the fixed column is positioned at the corresponding position of the second slide rail 8; the connecting shaft of the first connecting rod 16 and the second connecting rod 17 is connected with the second arc-shaped track 23 in a sliding manner; the connecting shaft of the second connecting rod 17 and the third connecting rod 18 is connected with the third slide rail 13 in a sliding manner; the safety lock 24 is in sliding connection with the first arc-shaped track 22; the third connecting rod 18 and the center of the tool rest 3 move eccentrically, so that the tool rest 3 is driven to rotate eccentrically by taking the square bulge as a circle center and the fixed column as a connecting point, and the tool rest 3 is limited to move in the tool rest slide rail 9.

When in specific use: firstly, the tool changing shifting piece 27 is installed on the tool rest 3, then the T-shaped blade 4 is installed in the tool rest 3 and clamped with the tool rest 3 through the tool changing shifting piece 27 in a matching mode, then the three connecting rods are connected and installed on the tool body 1 through the tension spring 21 and the first sliding rail 7 in a matching mode and the third sliding rail 13 in a matching mode, then the tension spring 21 is installed on the tool body 1 through the tension spring fixing column 10 in a matching mode, then the tool rest 3 is placed on the tool rest sliding rail 9 of the tool body 1 and connected with the connecting rod mechanism 6, finally the grab handle is installed on the tool body 1 through the grab handle connecting column in a matching mode, and the tool cover 2 and the safety lock 24 are buckled.

When we open the safety lock 24 by sliding and hold the grab handle, the grab handle is engaged with the link mechanism 6 to push the knife rest 3 and the T-shaped blade 4 out along the knife rest slide rail 9, and the first fixing button 19 is driven to be inserted into the link fixing groove 28 to prevent forward movement again, which can be used for cutting objects, and then the grab handle is released to return the knife rest 3 to the initial position along the knife rest slide rail 9 under the pulling force of the tension spring 21.

When the safety lock 24 is opened by sliding to hold the grab handle, the grab handle is matched with the connecting rod mechanism 6 to push the knife rest 3 and the T-shaped blade 4 out along the knife rest slide rail 9, the first fixing button 19 is driven to be inserted into the connecting rod fixing groove 28 to prevent the first fixing button from moving forwards again, at the moment, the grab handle is pressed to enable the first fixing button 19 to be separated from the connecting rod fixing groove 28, the knife rest 3 is driven to rotate 90 degrees in the knife rest slide rail 9 under the matching of the connecting rod mechanism 6 and the knife rest 3, and the second fixing button 20 is driven to be inserted into the connecting rod fixing groove 28 to realize a scraper knife, so that the scraper knife can be used for scraping objects. Then, the blade button 12 is pressed to separate the second fixing button 20 from the link fixing groove 28 and the tool holder 3 is returned to the initial position along the tool holder slide rail 9.

When the safety lock 24 is matched with the handle 5, the connecting rod moves to drive the cutter frame 3 to slide to push out the cutter blade, the first fixing button 19 is clamped in the fixing groove to prevent the cutter blade from moving forwards again, the cutter blade can be used for cutting an object at the moment, when the handle 5 is released, the tension spring 21 pulls the connecting rod to reset, and at the moment, the cutter frame 3 moves to recover to the initial position; the safety knife can be used as a safety knife, the stretching of the blade is controlled through the reciprocating motion of the handle 5, the structure is simple, the use is convenient, and the safety performance is strong.

The outer side of the knife body 1 is also provided with a knife body button 12, when the first fixing button 19 is clamped in a fixing groove, the knife rest 3 can continue to move forwards by pressing a secondary switch, the knife rest 3 is pushed out along the knife rest slide rail 9, the blade rotates ninety degrees by eccentric rotation to form a scraper shape, the second fixing button 20 clamps the fixing groove locking structure at the moment, and the knife body button 12 is separated from the fixing groove after being pressed and is reset under the action of the tension spring 21; the knife can be used as an art knife to cut objects, can also be changed into a scraper to scrape sundry goods, and has the advantages of reasonable structure, simple operation and low cost.

The above description is only for illustrating the technical solution of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solution of the present invention by those skilled in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A rotatable art knife which is characterized in that: the multifunctional knife comprises a knife body (1), a knife cover (2), a knife rest (3), a T-shaped blade (4), a handle (5) and a connecting rod mechanism (6), wherein the knife body (1) is connected with the knife cover in a buckling mode, a first sliding rail (7), a second sliding rail (8), a knife rest sliding rail (9), a tension spring fixing column (10) and a handle fixing column (11) are arranged on the inner side of the knife body (1), and a knife body button (12) is further arranged on the outer side of the knife body (1) corresponding to the position of the first sliding rail (7); a third sliding rail (13), a tool rest sliding rail (9) and a safety lock fixing groove (15) are further arranged on the inner side of the tool cover (2); the connecting rod mechanism (6) comprises a first connecting rod (16), a second connecting rod (17) and a third connecting rod (18) which are sequentially connected, one end, far away from the second connecting rod (17), of the first connecting rod (16) is connected with the tension spring fixing column (10), the tension spring fixing column (10) is further arranged on the second connecting rod (17), a first fixing button (19) and a second fixing button (20) are further arranged on the third connecting rod (18), the second connecting rod (17) is connected with the cutter body (1) through a tension spring (21), a first arc-shaped rail (22) and a second arc-shaped rail (23) are further arranged on the handle (5), a safety lock (24) is arranged in the safety lock fixing groove (15), and the cutter rest (3) comprises an upper cutter rest (25), a lower cutter rest (26) and a cutter changing shifting sheet (27); t type blade (4) are installed after being blocked by upper knife rest (25), lower knife rest (26) and tool changing plectrum (27) cooperation on blade (1), connecting rod fixed slot (28) have still been seted up to the end of first slide rail (7).

2. A rotatable utility knife as claimed in claim 1, wherein: the tool rest sliding rail (9) is a linear rail and consists of a circular rail close to the end of the tool bit and a square rail connected with the circular rail, a square bulge matched with the square rail and a fixing column connected with the third connecting rod (18) are arranged at the bottom end of the lower tool rest (26), the square bulge is located at the rotating center of the tool rest (3), and the fixing column is located at the corresponding position of the second sliding rail (8).

3. A rotatable utility knife as claimed in claim 1, wherein: and the connecting shaft of the first connecting rod (16) and the second connecting rod (17) is in sliding connection with the second arc-shaped track (23).

4. A rotatable utility knife as claimed in claim 1, wherein: and the connecting shaft of the second connecting rod (17) and the third connecting rod (18) is connected with the third slide rail (13) in a sliding manner.

5. A rotatable utility knife as claimed in claim 1, wherein: the safety lock (24) is in sliding connection with the first arc-shaped track (22).

6. A rotatable utility knife as claimed in claim 1, wherein: the third connecting rod (18) and the center of the tool rest (3) move eccentrically to drive the tool rest (3) to rotate eccentrically by taking the square bulge as a circle center and the fixed column as a connecting point, and meanwhile, the tool rest (3) is limited to move in the tool rest sliding rail (9).