Multifunctional knife with rotatable head

Abstract

The utility model relates to a multifunctional knife with a rotatable head, and belongs to the technical field of art knives. The tool rest comprises an upper shell, a lower shell, a tool rest assembly, a push block assembly, a clamping groove, a button and a limiting block which are matched with one another, wherein the tool rest assembly is installed between the upper shell and the lower shell; the push block assembly is arranged in the lower shell, the limiting block is matched with the clamping groove, and the button is buckled on the limiting block; the push block assembly comprises a push block, a connecting rod and a connecting rod spring, the front end of the push block is of a rack structure, the front end of the connecting rod is connected with the tool rest assembly, the rear end of the connecting rod is connected with the push block, and the connecting rod spring is arranged between a spring hole of the connecting rod and a spring hole of the push block. The knife rest assembly comprises a first knife rest, a second knife rest and a blade, a gear is arranged on the first knife rest, and the blade is located between the first knife rest and the second knife rest; a rack structure in the push block assembly is meshed with a gear in the tool rest assembly. The multi-purpose knife rest is reasonable in structural design, safe, reliable and convenient to operate, and can be used in multiple scenes through actions of the knife rest assembly, the push block assembly and the button.

Description

Technical Field

[0001] This utility model relates to a multi-functional knife, and more particularly to a multi-functional knife with a rotatable head, which belongs to the field of utility knife technology. Background Technology

[0002] Existing knives are usually single-function, only able to perform one or two of the functions of a cutter, scraper, or safety utility knife. They are also very inconvenient to operate with either hand, and it is inconvenient to carry different types of knives separately. They are also prone to injury during the process of switching between them, making them unsafe to use.

[0003] Therefore, it is particularly necessary to provide a multi-functional knife that has a reasonable structural design, is safe and reliable, is easy to operate, and can meet the needs of multiple scenarios. Utility Model Content

[0004] The purpose of this utility model is to overcome the above-mentioned shortcomings in the existing technology and provide a multi-functional knife with a rotatable head that has a reasonable structural design, is safe and reliable, is easy to operate, and can meet the needs of multiple scenarios through the action of the knife holder assembly, push block assembly and button.

[0005] The technical solution adopted by this utility model to solve the above problems is as follows: The multi-functional knife with a rotatable head includes a matching upper shell and a lower shell, characterized in that it further includes a knife holder assembly, a push block assembly, a slot, a button, a limiting block, a slider spring, and a pressure block. The knife holder assembly is installed between the upper shell and the lower shell, and is located at the head of the upper and lower shells; the push block assembly is fixed inside the lower shell; the limiting block matches the slot; the slider spring is located between the spring hole of the push block assembly and the spring hole of the limiting block; and the button is fastened to the limiting block. The upper part is a pressure block located inside the lower housing. One end of the slot is connected to the pressure block, and the other end of the slot is connected to the push block assembly. The push block assembly includes a push block, a connecting rod, and a connecting rod spring. The front end of the push block is a rack structure. The front end of the connecting rod is connected to the tool holder assembly, and the rear end of the connecting rod is connected to the push block. A connecting rod spring is provided between the spring hole of the connecting rod and the spring hole of the push block. The tool holder assembly includes a tool holder one, a tool holder two, and a blade. A gear is provided on the tool holder one, and the blade is located between the tool holder one and the tool holder two. The rack structure in the push block assembly meshes with the gear in the tool holder assembly.

[0006] Preferably, the present invention also includes a steel ball spring and a steel ball. A slide is provided inside the lower housing, and a plurality of ball holes for placing the steel ball are provided at intervals in the slide. The upper end of the steel ball spring is engaged with the spring hole of the push block assembly, and the lower end of the steel ball spring is engaged with the steel ball.

[0007] Preferably, the slot of this utility model is provided with a groove for the movement of the button and the limit block.

[0008] Preferably, the push block assembly of this utility model further includes a cylindrical pin, and the rear end of the connecting rod is connected to the push block through the cylindrical pin.

[0009] Preferably, the pusher assembly of this invention further includes a spring piece located on the side of the pusher block.

[0010] Preferably, the tool holder assembly of this utility model further includes two rivets, and the tool holder one and the tool holder two are fixed together by the two rivets.

[0011] Preferably, both the upper part of the gear in the first tool holder and the lower part of the second tool holder are provided with cylinders, and the side of the cylinders is a planar structure.

[0012] Preferably, the flat parts on the cylinders of the first and second tool holders of this invention respectively cooperate with the slots in the upper and lower housings; when the tool holders rotate, the contact surface is increased, and the force is more stable.

[0013] Preferably, the front end of the connecting rod of this utility model is provided with a boss, and the tool holder one and tool holder two in the tool holder assembly are both provided with grooves, which are engaged with the boss.

[0014] Preferably, this utility model also includes cross-head pan head screws and slotted pan head self-tapping screws, with the upper housing and lower housing connected by cross-head pan head screws; and the pressure block and lower housing connected by cross-head pan head self-tapping screws.

[0015] Compared with the prior art, this utility model has the following advantages and effects: (1) The overall structure is reasonably designed and safe and reliable. The rack structure in the push block assembly meshes with the gear in the tool holder assembly. The upper part of the gear in the tool holder one and the lower part of the tool holder two are provided with cylinders, and the side of the cylinder is a planar structure. The front end of the connecting rod is provided with a boss. The tool holder one and tool holder two in the tool holder assembly are provided with grooves, and the grooves are engaged with the bosses. (2) The operation is convenient through the action of the tool holder assembly and the push block assembly. The multi-functional knife operation can be realized by rotating the head, which can meet the needs of multiple scenarios. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model.

[0017] Figure 2 This is a schematic diagram of the structure after removing the upper shell in an embodiment of this utility model.

[0018] Figure 3 yes Figure 2 A schematic diagram of the structure after removing the card slots and buttons.

[0019] Figure 4 yes Figure 3 A schematic diagram of the structure after removing the pusher component.

[0020] Figure 5 This is a schematic diagram of the structure of the tool holder assembly in an embodiment of this utility model. Figure 1 .

[0021] Figure 6 This is a schematic diagram of the structure of the tool holder assembly in an embodiment of this utility model. Figure 2 .

[0022] Figure 7 This is a schematic diagram of the pusher assembly in an embodiment of the present invention. Figure 1 .

[0023] Figure 8 This is a schematic diagram of the pusher assembly in an embodiment of the present invention. Figure 2 .

[0024] Figure 9 This is a schematic diagram of the structure of the tool holder assembly and the push block assembly in an embodiment of this utility model.

[0025] Figure 10 This is a schematic diagram of the upper shell structure in an embodiment of this utility model.

[0026] Figure 11 This is a schematic diagram of the upper shell structure in an embodiment of this utility model.

[0027] Figure 12 This is a schematic diagram of the structure of the multi-functional knife after being operated to different positions via a button in this embodiment of the utility model. Figure 1 .

[0028] Figure 13 This is a schematic diagram of the structure of the multi-functional knife after being operated to different positions via a button in this embodiment of the utility model. Figure 2 .

[0029] Figure 14 This is a schematic diagram of the structure of the multi-functional knife after being operated to different positions via a button in this embodiment of the utility model. Figure 3 .

[0030] Figure 15 This is a schematic diagram of the structure of the multi-functional knife after being operated to different positions via a button in this embodiment of the utility model. Figure 4 .

[0031] In the figure: upper housing 1, lower housing 2, tool holder assembly 3, push block assembly 4, slot 5, button 6, limit block 7, slider spring 8, pressure block 9, steel ball spring 10, steel ball 11, cross-head pan head screw 12, cross-head pan head self-tapping screw 13, slide 21, ball hole 22, slot hole 51, slot 101.

[0032] Tool holder assembly 3: Tool holder one 31, Tool holder two 32, Blade 33, Rivet 34, Groove 35, Cylinder 36, Planar structure 361, Gear 311;

[0033] Push block assembly 4: push block 41, connecting rod 42, cylindrical pin 43, connecting rod spring 44, spring piece 45, rack and pinion structure 411, boss 421. Detailed Implementation

[0034] The present invention will be further described in detail below with reference to the accompanying drawings and through embodiments. The following embodiments are explanations of the present invention, but the present invention is not limited to the following embodiments.

[0035] Example

[0036] See Figures 1 to 15 The multi-functional knife with a rotatable head in this embodiment includes an upper housing 1, a lower housing 2, a knife holder assembly 3, a push block assembly 4, a slot 5, a button 6, a limit block 7, a slider spring 8, a pressure block 9, a steel ball spring 10, and a steel ball 11. The upper housing 1 and the lower housing 2 are matched with each other. The knife holder assembly 3 is installed between the upper housing 1 and the lower housing 2, and the knife holder assembly 3 is located at the head of the upper housing 1 and the lower housing 2. The push block assembly 4 is fixed in the lower housing 2. The limit block 7 matches the slot 5. The slider spring 8 is located between the spring hole of the push block assembly 4 and the spring hole of the limit block 7. The button 6 is fastened to the limit block 7. The pressure block 9 is set in the lower housing 2. One end of the slot 5 is connected to the pressure block 9, and the other end of the slot 5 is connected to the push block assembly 4. The rack structure in the push block assembly 4 meshes with the gear 311 in the knife holder assembly 3.

[0037] In this embodiment, the push block assembly 4 includes a push block 41, a connecting rod 42, a cylindrical pin 43, a connecting rod spring 44, and a spring plate 45. The front end of the push block 41 is a rack and pinion structure. The front end of the connecting rod 42 is connected to the tool holder assembly 3. The rear end of the connecting rod 42 is connected to the push block 41. A connecting rod spring 44 is provided between the spring hole of the connecting rod 42 and the spring hole of the push block 41. The rear end of the connecting rod 42 is connected to the push block 41 through the cylindrical pin 43. The spring plate 45 is located on the side of the push block 41.

[0038] In this embodiment, the tool holder assembly 3 includes a first tool holder 31, a second tool holder 32, a blade 33, and two rivets 34. A gear 311 is provided on the first tool holder 31, and the blade 33 is located between the first tool holder 31 and the second tool holder 32. The first tool holder 31 and the second tool holder 32 are fixed together by the two rivets 34.

[0039] In this embodiment, a slide 21 is provided inside the lower housing 2. Multiple ball holes 22 for placing steel balls 11 are provided in the slide 21 at intervals. The upper end of the steel ball spring 10 is engaged with the spring hole of the push block assembly 4, and the lower end of the steel ball spring 10 is engaged with the steel ball 11.

[0040] In this embodiment, the card slot 5 is provided with a slot 51 for the movement of the button 6 and the limit block 7.

[0041] In this embodiment, a cylinder 36 is provided on the upper part of the gear 311 in the first tool holder 31 and the lower part of the second tool holder 32. The side of the cylinder 36 is a planar structure 361.

[0042] In this embodiment, the flat parts on the cylinders 36 of the tool holder 1 31 and the tool holder 2 32 respectively mate with the slots 101 in the upper housing 1 and the lower housing 2. The position of the slots 101 is as follows: Figures 10-11 As shown.

[0043] In this embodiment, a boss 421 is provided at the front end of the connecting rod 42, and a groove 35 is provided on both the first tool holder 31 and the second tool holder 32 in the tool holder assembly 3. The groove 35 is engaged with the boss 421.

[0044] In this embodiment, the upper housing 1 and the lower housing 2 are connected by cross-slot pan head screws 12; the pressure block 9 and the lower housing 2 are connected by cross-slot pan head self-tapping screws 13.

[0045] Based on the above description, those skilled in the art are already able to implement it.

[0046] Furthermore, it should be noted that the specific embodiments described in this specification may differ in the shape and name of their components. The above description is merely illustrative of the structure of this utility model. All equivalent or simple variations made based on the structure, features, and principles described in this utility model patent concept are included within the protection scope of this utility model patent. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, as long as they do not deviate from the structure of this utility model or exceed the scope defined in these claims, all of which should fall within the protection scope of this utility model.

Claims

1. A multi-functional knife with a rotatable head, comprising a matching upper housing (1) and a lower housing (2), characterized in that: It also includes a tool holder assembly (3), a push block assembly (4), a slot (5), a button (6), a limit block (7), a slider spring (8), and a pressure block (9). The tool holder assembly (3) is installed between the upper housing (1) and the lower housing (2), and the tool holder assembly (3) is located at the head of the upper housing (1) and the lower housing (2). The push block assembly (4) is fixed inside the lower housing (2). The limit block (7) matches the slot (5). The slider spring (8) is located between the spring hole of the push block assembly (4) and the spring hole of the limit block (7). The button (6) is fastened to the limit block (7). The pressure block (9) is set inside the lower housing (2). One end of the slot (5) is connected to the pressure block (9), and the other end of the slot (5) is connected to the push block assembly. (4) Connected; The push block assembly (4) includes a push block (41), a connecting rod (42) and a connecting rod spring (44). The front end of the push block (41) is a rack structure. The front end of the connecting rod (42) is connected to the tool holder assembly (3). The rear end of the connecting rod (42) is connected to the push block (41). A connecting rod spring (44) is provided between the spring hole of the connecting rod (42) and the spring hole of the push block (41). The tool holder assembly (3) includes a tool holder one (31), a tool holder two (32) and a blade (33). A gear (311) is provided on the tool holder one (31). The blade (33) is located between the tool holder one (31) and the tool holder two (32). The rack structure in the push block assembly (4) meshes with the gear (311) in the tool holder assembly (3).

2. The multi-functional knife with a rotatable head according to claim 1, characterized in that: It also includes a steel ball spring (10) and a steel ball (11). A slide (21) is provided in the lower housing (2). Multiple ball holes (22) for placing the steel ball (11) are provided in the slide (21) at intervals. The upper end of the steel ball spring (10) is engaged with the spring hole of the push block assembly (4), and the lower end of the steel ball spring (10) is engaged with the steel ball (11).

3. The multi-functional knife with a rotatable head according to claim 1, characterized in that: The card slot (5) is provided with a slot (51) for the movement of the button (6) and the limit block (7).

4. The multi-functional knife with a rotatable head according to claim 1, characterized in that: The pusher assembly (4) also includes a cylindrical pin (43), and the rear end of the connecting rod (42) is connected to the pusher (41) through the cylindrical pin (43).

5. The multi-functional knife with a rotatable head according to claim 1 or 4, characterized in that: The pusher assembly (4) also includes a spring (45) located on the side of the pusher (41).

6. The multi-functional knife with a rotatable head according to claim 1, characterized in that: The tool holder assembly (3) also includes two rivets (34), and the tool holder one (31) and the tool holder two (32) are fixed together by the two rivets (34).

7. The multi-functional knife with a rotatable head according to claim 1, characterized in that: Both the upper part of the gear (311) in the first tool holder (31) and the lower part of the second tool holder (32) are provided with cylinders (36), and the side of the cylinder (36) is a planar structure (361).

8. The multi-functional knife with a rotatable head according to claim 7, characterized in that: The flat parts on the cylinder (36) of the first tool holder (31) and the second tool holder (32) respectively cooperate with the slots (101) in the upper shell (1) and the lower shell (2).

9. The multi-functional knife with a rotatable head according to claim 1, characterized in that: The front end of the connecting rod (42) is provided with a boss (421), and the tool holder one (31) and tool holder two (32) in the tool holder assembly (3) are both provided with grooves (35), which are engaged with the boss (421).

10. The multi-functional knife with a rotatable head according to claim 1, characterized in that: It also includes cross-head pan head screws (12) and cross-head pan head self-tapping screws (13). The upper housing (1) and the lower housing (2) are connected by cross-head pan head screws (12); the pressure block (9) and the lower housing (2) are connected by cross-head pan head self-tapping screws (13).

Images