Multifunctional art knife
By integrating multiple blades and setting up a storage box, the design solves the problem that existing utility knives are difficult to adapt to various cutting needs, realizes flexible switching and portable storage, and improves work efficiency and safety.
Patent Information
- Application Number
- CN202422817845.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-11-19
AI Technical Summary
Existing utility knives are equipped with one type of blade, which is difficult to adapt to various cutting needs. Frequent replacement or preparation of multiple different types of utility knives is required, resulting in inconvenience in use.
A multifunctional utility knife is designed, which integrates a conventional blade, a hook blade and a serrated blade. Rapid switching is achieved through a fan-shaped plate and a slide rail structure, and a storage box is provided in the knife handle to store spare blades.
It improves the flexibility and work efficiency of cutting tasks, enhances portability, reduces the risk of blade damage, and simplifies the blade replacement process.
Smart Images

Figure CN223302448U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of utility knives, in particular to a multifunctional utility knife. Background Art
[0002] A utility knife, also known as a carving knife or wallpaper knife, is a handheld tool mainly used to cut various materials. In an office environment, a utility knife can be used to cut paper, printing paper, and cardboard. For handicraft enthusiasts, a utility knife can be used to cut cloth and make clothing and fabric dolls. In the decoration industry, a utility knife can be used to cut wallpaper. As people's lives and work scenes become increasingly diverse, the functional requirements for utility knives are becoming more and more diverse.
[0003] A search revealed the Chinese patent publication number CN221659350U, which discloses a multifunctional utility knife comprising: a handle with a blade slot formed at its front end; a fixing seat fixedly mounted on the inner sidewall of the blade slot; a blade assembly rotatably connected to the inner sidewall of the fixing seat via a rotating shaft, with its front end located outside the handle; an adjustment structure provided on the sidewalls of the handle and the fixing seat, capable of adjusting the front end of the blade assembly to rotate 90 degrees upward about the rotating shaft; a rotatable roller provided at the bottom front end of the handle; and an electronic display fixed to the outer wall of the handle. The handle is internally provided with an angle sensor for detecting the roller's rotation angle, and the handle is also internally provided with a chip for converting the roller's rotation angle into the rolling distance of the roller's outer edge. The electronic display can display the roller's rolling distance. This utility knife integrates scraping, linear cutting, and precision measurement functions, resolving the pain points of utility knives, such as the single function and difficulty in accurate linear cutting and distance calculation. However, in actual use, only one type of blade is provided, so that when the user faces different cutting needs, he needs to prepare multiple different types of utility knives, or frequently replace the blades, which brings inconvenience to the work. Utility Model Content
[0004] In order to make up for the above shortcomings, the utility model provides a multifunctional utility knife, which aims to improve the problem that the prior art is equipped with only one type of blade and cannot meet the various needs of users.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: a multifunctional utility knife, comprising a handle, a fan-shaped plate fixedly connected to the left side of the handle, a plurality of grooves are opened on the inner side of the fan-shaped plate, a plurality of the inner sides of the grooves are fixedly connected to a slide rail, a plurality of the left sides of the slide rails are fixedly connected to a baffle 1, a conventional blade is slidably connected to the inner side of the bottom slide rail, a hook blade is slidably connected to the inner side of the middle slide rail, a serrated blade is slidably connected to the inner side of the top slide rail, and a placement mechanism is provided on the inner side of the handle.
[0006] Through the above technical solution: three different types of blades, conventional blades, hook blades and serrated blades are integrated to adapt to various cutting tasks.
[0007] As a further description of the above technical solution:
[0008] The placement mechanism includes a placement box, the outer wall of the placement box is slidably connected to the inner side of the knife handle, the inner side of the knife handle is provided with a sliding groove, the inner side of the placement box is provided with a storage cavity, the bottom of the inner wall of the placement box is provided with a placement groove, the front side of the outer wall of the placement box is fixedly connected to a plurality of fixed blocks, the right side of the placement box is fixedly connected to a sealing plug, the left side of the sealing plug is slidably connected to the inner side of the sliding groove, and the bottom right side of the sealing plug is fixedly connected to a connecting rod.
[0009] Through the above technical solution: the storage cavity inside the placement box provides additional storage space for the utility knife, which can store spare blades and improve portability. The placement slot at the bottom of the inner wall of the placement box can provide a stable placement position for spare blades or small tools. The shape and size of the placement slot can be designed according to the characteristics of the stored items, ensuring that the items will not shake or collide in the placement box, reducing the risk of damage to the items.
[0010] As a further description of the above technical solution:
[0011] A handle is fixedly connected to the right side of the connecting rod, and an outer wall of the handle is provided with anti-slip grooves.
[0012] Through the above technical solution: the handle fixedly connected to the right side of the connecting rod provides convenience for the user to operate the placement box. When the items in the placement box need to be used, the user can easily pull the placement box out of the knife handle by holding the handle. Similarly, after placing the items, the placement box can also be easily pushed back into the knife handle.
[0013] As a further description of the above technical solution:
[0014] The right side of the plurality of slide rails is slidably connected with a baffle plate 2, and the outer wall of the baffle plate 2 is provided with a plurality of through holes 2.
[0015] Through the above technical solution: baffle 2 can effectively prevent the blade from accidentally sliding out from the right side of the slide rail.
[0016] As a further description of the above technical solution:
[0017] A plurality of through holes 1 are provided on the front side of the slide rail, and a bolt 1 is threadedly connected to the inner sides of the plurality of through holes 2 and the corresponding through holes 1.
[0018] Through the above technical solution: by passing bolt one through through hole two and threading it into the corresponding through hole one, the position of baffle two on the slide rail can be firmly fixed. When the blade needs to be replaced or maintenance needs to be performed, the baffle two can be easily removed from the slide rail by simply unscrewing bolt one.
[0019] As a further description of the above technical solution:
[0020] The rear sides of the plurality of slide rails are connected to the sector plates via a plurality of bolts, and the outer wall of the conventional blade is provided with a plurality of tooth patterns.
[0021] Through the above technical solution: Bolt 2 firmly connects the rear side of the slide rail to the fan-shaped plate, ensuring the stability of the slide rail on the fan-shaped plate.
[0022] As a further description of the above technical solution:
[0023] The front sides of the conventional blade, the hook blade and the serrated blade are all fixedly connected with push handles, and the outer walls of the plurality of push handles are all fixedly connected with anti-sliding blocks.
[0024] Through the above technical solution: by pushing the push handle, the corresponding blade can be easily pushed out or pushed back from the slide rail without directly contacting the blade, thereby improving the safety of operation.
[0025] As a further description of the above technical solution:
[0026] The front side of the fan-shaped plate is provided with a plurality of aesthetic lines, and the aesthetic lines are arc-shaped.
[0027] Through the above technical solution, the beautiful pattern adds artistic sense and decorativeness to the utility knife.
[0028] The utility model has the following beneficial effects:
[0029] 1. In the utility model, a fan-shaped plate is provided at one end of the handle to accommodate blades of different shapes. The required blade is pushed out or pushed back from the groove along the slide rail by the push handle, making the switching of blades very simple and quick. At the same time, different blades can be selected for cutting tasks according to the different directions of the handle held by the user, thereby improving the flexibility of work.
[0030] 2. In the utility model, by providing a placement box inside the knife handle, the originally idle space is utilized, and the storage cavity is used to store spare blades. The placement slot provides a stable support for the spare blades, fully considering the portability and space utilization of the tool, so that the utility knife has the function of storing spare blades without increasing too much volume. BRIEF DESCRIPTION OF THE DRAWINGS
[0031] Figure 1This is a three-dimensional schematic diagram of a multifunctional utility knife proposed by the utility model;
[0032] Figure 2 This is a front view of a multifunctional utility knife proposed by the utility model;
[0033] Figure 3 This is a partial structural diagram of a multifunctional utility knife proposed in the utility model;
[0034] Figure 4 This is a rear view of a multifunctional utility knife proposed in the utility model;
[0035] Figure 5 The present invention is a schematic structural diagram of a placement mechanism for a multifunctional utility knife.
[0036] Legend:
[0037] 1. Knife handle; 2. Placement mechanism; 201. Placement box; 202. Sliding slot; 203. Storage cavity; 204. Placement slot; 205. Fixed block; 206. Sealing plug; 207. Connecting rod; 208. Handle; 209. Anti-slip pattern; 3. Fan-shaped plate; 4. Slot body; 5. Slide rail; 6. Baffle 1; 7. Conventional blade; 8. Hook blade; 9. Serrated blade; 10. Push handle; 11. Anti-sliding block; 12. Tooth pattern; 13. Through hole 1; 14. Baffle 2; 15. Through hole 2; 16. Bolt 1; 17. Bolt 2; 18. Aesthetic pattern. DETAILED DESCRIPTION
[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0039] Refer to the attached Figure 1 , Attachment Figure 2 and attached Figure 3The utility model provides an embodiment of a multifunctional utility knife, comprising a handle 1, a fan-shaped plate 3 is fixedly connected to the left side of the handle 1, a plurality of slots 4 are opened on the inner side of the fan-shaped plate 3, a plurality of slots 4 are fixedly connected to the inner sides of the plurality of slots 4, a baffle 6 is fixedly connected to the left side of the plurality of slide rails 5, a conventional blade 7 is slidably connected to the inner side of the bottom slide rail 5, a hook blade 8 is slidably connected to the inner side of the middle slide rail 5, a serrated blade 9 is slidably connected to the inner side of the top slide rail 5, and a placing mechanism 2 is provided on the inner side of the handle 1; a push handle 10 is fixedly connected to the front side of the conventional blade 7, the hook blade 8 and the serrated blade 9, and an anti-slide block 11 is fixedly connected to the outer wall of the plurality of push handles 10. The anti-slide block 11 on the outer wall of the push handle 10 increases the friction between the finger and the push handle 10, making it easier and more stable to push the blade;
[0040] Specifically, different grooves 4 and slide rails 5 are set on the inner side of the sector plate 3 on the left side of the handle 1, and conventional blades 7, hook blades 8 and serrated blades 9 are installed respectively, so that when performing various manual operations or cutting tasks, there is no need to prepare multiple single-function utility knives. Whether it is the conventional blade 7 used for cutting ordinary paper, the hook blade 8 used for cutting special shapes, or the serrated blade 9 used for cutting harder materials, all can be achieved on the same utility knife, which greatly improves work efficiency and meets cutting needs in different scenarios. When the blade needs to be replaced, unscrew bolt 2 17 to move the slide rail 5 out of the sector plate 3, and then unscrew bolt 16 to separate the baffle 2 14 and the right side of the slide rail 5, so that the blade can be easily taken out for replacement.
[0041] Refer to the attached Figure 4 and attached Figure 5 The placing mechanism 2 includes a placing box 201, the outer wall of the placing box 201 is slidably connected to the inner side of the knife handle 1, the inner side of the knife handle 1 is provided with a sliding groove 202, the inner side of the placing box 201 is provided with a storage cavity 203, the bottom of the inner wall of the placing box 201 is provided with a placing groove 204, the front side of the outer wall of the placing box 201 is fixedly connected with a plurality of fixed blocks 205, the right side of the placing box 201 is fixedly connected with a sealing plug 206, the left side of the sealing plug 206 is slidably connected to the inner side of the sliding groove 202, and the right side of the bottom of the sealing plug 206 is fixedly connected with a connecting Connecting rod 207; a handle 208 is fixedly connected to the right side of the connecting rod 207, and an outer wall of the handle 208 is provided with an anti-slip groove 209; a plurality of slide rails 5 are slidably connected to a baffle plate 14 on the right side, and a plurality of through holes 15 are provided on the outer wall of the baffle plate 14; a plurality of through holes 13 are provided on the front side of each slide rail 5, and a bolt 16 is threadedly connected to the inner side of each of the plurality of through holes 15 and the corresponding through holes 13; the rear side of each of the plurality of slide rails 5 is connected to the sector plate 3 by a plurality of bolts 17, and a plurality of tooth grooves 12 are provided on the outer wall of the conventional blade 7;
[0042] Specifically, the storage cavity 203 inside the placement box 201 is specifically used to store spare blades, which makes full use of the space inside the handle 1, making the design of the entire utility knife more compact and easy to carry and store. When the spare blade is needed, there is no need to find an additional storage place, which improves work efficiency. The placement groove 204 provides stable support for the spare blade, preventing the spare blade from shaking or colliding in the storage cavity 203, avoiding damage and wear of the blade, and ensuring the quality and availability of the spare blade. The placement box 201 is slidably connected to the sliding groove 202 on the inner side of the handle 1 through the outer wall, so that the placement box 201 can be smoothly moved in and out of the handle 1. When the items in the placement box 201 need to be used, just pull the handle 208, and the handle 208 drives the connecting rod 207, thereby making the placement box 201 slide out of the handle 1, which is simple and convenient to operate.
[0043] Refer to the attached Figure 1 , the front side of the sector plate 3 is provided with a plurality of aesthetic lines 18, and the aesthetic lines 18 are arc-shaped;
[0044] Specifically, the aesthetic pattern 18 is arc-shaped, which adds a unique design element to the utility knife, making it more attractive in appearance.
[0045] Working principle: When it is necessary to use the conventional blade 7 or the hook blade 8, hold the knife handle 1 in the right position, and push the corresponding push handle 10 to push the conventional blade 7 or the hook blade 8 out of the groove body 4 at the bottom inner side of the sector plate 3 along the slide rail 5 to perform the corresponding cutting operation. When the operation is completed, push the push handle 10 again to push the blade back into the groove body 4 along the slide rail 5. When it is necessary to use the serrated blade 9, hold the knife handle 1 in the opposite direction and push the push handle 10 on the front side of the serrated blade 9. The serrated blade 9 on the top slide rail 5 slides out of the groove body 4 smoothly with the assistance of the push handle 10 and the anti-slide block 11, and can be used to cut harder materials. After use, push it back into the groove body 4 and place it in the box 2 The storage cavity 203 on the inside of 01 can be used to store spare blades, which are given stable support by the placement groove 204. The placement box 201 is slidably connected to the sliding groove 202 on the inside of the knife handle 1 through the outer wall, so that the placement box 201 can be smoothly moved in and out of the knife handle 1. When the items in the placement box 201 need to be used, by pulling the handle 208, the handle 208 drives the connecting rod 207, and then the placement box 201 slides out from the knife handle 1, and then the spare blade can be taken out. When the blade needs to be replaced, unscrew the bolt 2 17 to move the slide rail 5 out of the fan-shaped plate 3, and then unscrew the bolt 16 to separate the baffle 2 14 and the right side of the slide rail 5, so that the blade can be taken out for replacement.
[0046] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A multifunctional utility knife, comprising a handle (1), characterized in that: The left side of the knife handle (1) is fixedly connected to a fan-shaped plate (3), the inner side of the fan-shaped plate (3) is provided with a plurality of grooves (4), the inner sides of the plurality of grooves (4) are fixedly connected to a slide rail (5), the left sides of the plurality of slide rails (5) are fixedly connected to a baffle (6), the inner side of the bottom slide rail (5) is slidably connected to a conventional blade (7), the inner side of the middle slide rail (5) is slidably connected to a hook blade (8), the inner side of the top slide rail (5) is slidably connected to a serrated blade (9), and the inner side of the knife handle (1) is provided with a placement mechanism (2).
2. The multifunctional utility knife according to claim 1, characterized in that: The placement mechanism (2) comprises a placement box (201), the outer wall of the placement box (201) is slidably connected to the inner side of the knife handle (1), the inner side of the knife handle (1) is provided with a sliding groove (202), the inner side of the placement box (201) is provided with a storage cavity (203), the bottom of the inner wall of the placement box (201) is provided with a placement groove (204), the front side of the outer wall of the placement box (201) is fixedly connected to a plurality of fixed blocks (205), the right side of the placement box (201) is fixedly connected to a sealing plug (206), the left side of the sealing plug (206) is slidably connected to the inner side of the sliding groove (202), and the right side of the bottom of the sealing plug (206) is fixedly connected to a connecting rod (207).
3. The multifunctional utility knife according to claim 2, characterized in that: The right side of the connecting rod (207) is fixedly connected to a handle (208), and the outer wall of the handle (208) is provided with anti-slip grooves (209).
4. The multifunctional utility knife according to claim 1, characterized in that: The right side of the plurality of slide rails (5) is slidably connected to a baffle plate 2 (14), and the outer wall of the baffle plate 2 (14) is provided with a plurality of through holes 2 (15).
5. The multifunctional utility knife according to claim 4, characterized in that: The front side of the slide rail (5) is provided with a plurality of through holes (13), and the inner sides of the plurality of through holes (15) and the corresponding through holes (13) are threadedly connected with bolts (16).
6. The multifunctional utility knife according to claim 1, characterized in that: The rear sides of the plurality of slide rails (5) are connected to the sector plate (3) via a plurality of bolts (17), and the outer wall of the conventional blade (7) is provided with a plurality of tooth patterns (12).
7. The multifunctional utility knife according to claim 1, characterized in that: The front sides of the conventional blade (7), the hook blade (8) and the sawtooth blade (9) are all fixedly connected to push handles (10), and the outer walls of the plurality of push handles (10) are all fixedly connected to anti-sliding blocks (11).
8. The multifunctional utility knife according to claim 1, characterized in that: The front side of the fan-shaped plate (3) is provided with a plurality of aesthetic patterns (18), and the aesthetic patterns (18) are arc-shaped.