CN218699022U

CN218699022U - Multifunctional art knife

Info

Publication number: CN218699022U
Application number: CN202222676420.4U
Authority: CN
Inventors: 蔡泽帮
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-03-24
Anticipated expiration: 2032-10-11

Abstract

The utility model provides a multi-functional art designer's sword, which comprises a knife rest, the blade, the shell body, interior casing, the button subassembly, sliding assembly, the blade is installed in the knife rest, the through-hole has been seted up to the head of shell body, the shell body is including the upper cover and the lower cover of lock of each other, interior casing sliding connection is in the inner wall and appearance and the through-hole phase-match of shell body, the head opening of interior casing, the knife rest is located the opening part and rotates and connects in interior casing, sliding assembly swing joint in interior casing and with the knife rest phase-match, the upper cover is opened and is equipped with logical groove, the one end of button subassembly is connected in sliding assembly, the other end passes interior casing, it lies in the upside of upper cover to lead to the groove after, first spout has been seted up to the lower terminal surface of upper cover, first joint portion sliding connection is in first spout, first draw-in groove has been seted up to the lateral wall of first spout, the second spout has been seted up to the inner wall of interior casing, second draw-in second joint portion sliding connection in second spout. This design convenient to use, function are various, stable in structure.

Description

Multifunctional art knife

Technical Field

The utility model relates to a cutter technical field especially relates to a multi-functional art designer sword.

Background

The art knife is also commonly called a nicking knife or a wallpaper knife, is a knife for art and handicraft, generally has a blade cutting parallel to the axis of a handle or a shell, is mainly used for cutting objects with soft texture, and mainly comprises a knife handle and a blade. Because the utility knife only possesses the cutting function, in the face of some inconvenient cutting structures, for example sticker, poster paper etc. then need scrape paper through the scraper, need carry two kinds of instruments of utility knife and scraper during the use, carry inconveniently, need switch utility knife and scraper back and forth the use when using in addition, use inconvenient and have the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects and problems of single function and inconvenient use of the art designing knife in the prior art and providing a multifunctional art designing knife with convenient use and various functions.

In order to achieve the above purpose, the technical solution of the utility model is that:

the utility model provides a multifunctional art knife, includes knife rest, blade, shell body, interior casing, button assembly, slip subassembly, the blade is installed in the knife rest, the through-hole has been seted up to the head of shell body, the shell body includes the upper cover and the lower cover of lock mutually, interior casing sliding connection in the inner wall of shell body, the appearance of interior casing with the through-hole phase-match, the head opening of interior casing, the knife rest set up in open end and the rotation of interior casing connect in interior casing, slip subassembly swing joint in the interior casing and with the knife rest phase-match, the upper cover has seted up logical groove along length direction, the one end of button assembly connect in slip subassembly, the other end passes in proper order interior casing, be located behind the logical groove the upside of upper cover, first spout has been seted up to the lower terminal surface of upper cover, first joint portion sliding connection of button assembly in first spout, the lateral wall of first spout seted up with first joint portion assorted first draw-in groove, interior casing is close to the inner wall of first joint portion has seted up the second spout, second joint portion sliding connection in the second spout of button assembly in the lateral wall of second spout phase-matched with second spout portion.

The button subassembly includes gland, briquetting, connecting block, the gland is located the upside of upper cover, the one end of connecting block connect in the downside of gland, the other end passes lead to groove, interior behind the casing through bolt threaded connection in the sliding assembly, the one end of briquetting pass through compression spring connect in sliding assembly, the other end passes in proper order be located behind sliding assembly, interior casing, lead to the groove, the gland the upside of gland, the outer peripheral face of briquetting has set gradually first joint portion, second joint portion from top to bottom.

The afterbody of upper cover is provided with the spliced pole, the spliced pole with be provided with first coupling spring between the interior casing, interior casing with be provided with the second coupling spring between the slip subassembly, the inner wall of interior casing is provided with the pivot, the pivot is vertical arranges, the up end of knife rest is provided with cam, installation piece, shell fragment, the cam includes rotation portion and two tip, the upper end of rotation portion connect in the installation piece, the lower extreme connect in the up end of knife rest, two the end connection in the left and right sides of rotation portion, the installation piece seted up with pivot assorted rotation hole, the shell fragment is located the outside of installation piece, the both ends of shell fragment respectively the butt in the outer peripheral face of installation piece.

The sliding assembly comprises a sliding seat, a push rod and a sliding block, the inner wall of the inner shell is provided with a guide rail, the guide rail is located at the periphery of the rotating shaft, the sliding block is connected to one end of the push rod, the sliding block is connected to the guide rail in a sliding mode, the other end of the push rod is hinged to the sliding seat, the guide rail comprises a first rail and a second rail, the second rail and the first rail are located on the left side and the right side of the installation block respectively, the two ends are located on the lower sides of the first rail and the second rail respectively, the push rod is matched with the ends, the inlet of the first rail is communicated with the outlet of the second rail, the outlet of the first rail is communicated with the inlet of the second rail, the sliding seat is connected to the inner shell in a sliding mode, and a second connecting spring is arranged between the sliding seat and the inner shell.

A plurality of continuous inclined planes are arranged in the first track and the second track, and the inclined planes gradually become lower from the inlet of the first track to the outlet of the second track.

And an auxiliary clamping groove is formed in the side wall, close to the second clamping groove, of the second sliding groove, and the auxiliary clamping groove is matched with the second clamping portion.

The head of leading to the groove has seted up the mounting groove, the mounting groove with the appearance phase-match of connecting block.

The end face, close to the knife edge of the blade, of the lower cover is provided with a limiting groove, the limiting groove is arranged along the length direction of the sliding assembly, and the blade is connected to the limiting groove in a sliding mode.

The rubber sleeve is arranged on the peripheral surface of the outer shell and comprises a small part and a large part which are connected with each other, the small part is sleeved on the peripheral surface of one side of the outer shell, the large part is sleeved on the peripheral surface of the other side of the outer shell, and the side surface of the large part is in an inner arc shape.

The upper end face and the lower end face, close to the large part, of the outer shell are provided with bulges, and the large part is provided with mounting holes matched with the bulges.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the inner shell and the sliding component can slide in the outer shell, and the push button component can drive the sliding component, the inner shell and the knife rest to move together when the blade extends outwards, when the first clamping part of the button assembly slides into the first clamping groove, the blade completely extends out of the outer shell, the button assembly cannot move at the moment, the sliding assembly, the inner shell and the knife rest cannot move, the blade is fixed, the cutting function can be realized at the moment, when the scraping function needs to be switched, after the button assembly is pressed, the first clamping part is separated from the first clamping groove, the sliding component and the inner shell can continuously slide, the button component is pushed to enable the inner shell to slide outwards, the inner shell cannot move after sliding to the top of the outer shell, at the moment, the button component is continuously pressed to enable the second clamping part to be separated from the second clamping groove, the sliding component can slide in the inner shell, the button component is continuously pushed to enable the sliding component to contact with the knife rest, the knife rest is driven to rotate on the inner shell, and the blade is changed from the vertical direction to the horizontal direction, then the button assembly is released, at which point the scraping function can be achieved, and the button assembly is pressed again, when the sliding assembly is pushed back, the second clamping part slides into the second clamping groove from the second sliding groove, the knife rest rotates reversely under the driving of the sliding assembly, the blade returns to the vertical direction, the button assembly continues to be pushed back until the first clamping part is clamped with the first clamping groove, the art knife changes the scraping function into the cutting function, the button assembly is pressed again and continues to be pushed back, and the blade finally retracts into the outer shell completely, compared with the prior art, the utility model has the advantages that the functions of cutting and scraping can be realized only by one group of cutters, and the back-and-forth switching between the utility knife and the scraper can be rapidly carried out. Therefore, the utility model discloses convenient to use, function are various.

2. The utility model relates to an among the multi-functional art designer's sword, through briquetting and gland, when needs promote the blade, can press the briquetting, make first joint portion on the briquetting break away from in the first draw-in groove, second joint portion is still in the second draw-in groove this moment, promote the gland and slide on covering, second joint portion and second draw-in groove are contradicted mutually, make interior casing and sliding assembly slide simultaneously, continue to press down behind the briquetting, second joint portion breaks away from in the second draw-in groove, sliding assembly can slide in the interior casing, the second draw-in groove slides on the second spout, switch to scraping the function after, back promotes the gland, second joint portion joint is in supplementary draw-in groove, the blade can't remove, can realize scraping this moment. When switching to cutting function, promote earlier that the gland makes second joint portion break away from out from the auxiliary slot, the blade resets, then back promotes the gland, and second joint portion gets into the second draw-in groove after the auxiliary slot is advanced, and compression spring loosens and drives the briquetting rebound, and second joint portion joint is compared with prior art in the second draw-in groove, and the form that adopts the secondary to press can realize the slip and the rotation of blade, sets up a plurality of draw-in grooves and realizes fixing. Therefore, the utility model discloses convenient to use, stable in structure.

3. The utility model relates to an among the multi-functional art designer's sword, through setting up guide rail and push rod, when needs switch to scraping the function, it makes the slide drive push rod remove to promote the gland, the slider of being connected with the push rod removes in first track, contact behind a tip of cam, it rotates to drive the cam, the pressure that the shell fragment was overcome to the installation piece rotates 90 degrees, the both ends of shell fragment are reset and continue to press from both sides tight installation piece after strutting by the installation piece, it changes to avoid blade turned angle to appear, the slider is located first track and the orbital handing-over department of second this moment, the blade changes from cutting function into scraping the function this moment, then the slider continues to remove in the second track, contact another tip of cam, it drives cam antiport 90 degrees, make the blade reset, the slider returns to the initial position after removing the round, through a plurality of inclined planes that become the step-down in proper order, avoid the push rod to appear backing up when removing, lead to the blade to switch to make mistakes, compared with prior art, can realize blade 90 degrees reciprocal rotations, the function is various. Therefore, the utility model discloses the function is various, stable in structure.

4. The utility model relates to an among the multi-functional art designer's sword, through setting up the mounting groove, the connecting block can remove in the mounting groove, unscrews the bolt after, takes off the gland from the top, takes off the briquetting from the below, conveniently carries out subsequent maintenance and change, and the blade removes the shell body in the back, can realize spacingly to the blade through the spacing groove. Therefore, the utility model discloses the installation is simple and convenient with the dismantlement.

5. The utility model relates to an in the multi-functional art designer sword, through setting up the rubber sleeve, can protect inside casing, because the joint makes the rubber sleeve more stable in the arch after the rubber sleeve installation, can not slide easily, the rubber sleeve is provided with the major part, can provide frictional force and support, and is too big hard when preventing to use, and the cutter is deviate from the hand. Therefore, the utility model is comfortable to use and stable in structure.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the outer shell of the present invention.

Fig. 3 is a schematic structural view of the upper cover of the present invention.

Fig. 4 is a schematic structural diagram of the upper cover and the button assembly of the present invention.

Fig. 5 is a schematic structural view of the middle lower cover, the button assembly, the sliding assembly and the tool rest according to the present invention.

Fig. 6 is a schematic partial cross-sectional view of the upper cover and button assembly of the present invention.

Fig. 7 is a schematic structural view of the inner shell and the pressing block of the present invention.

Fig. 8 is a schematic structural view of the inner housing and the sliding assembly of the present invention.

Fig. 9 is a schematic view of a partial structure of the inner housing and the push rod of the present invention.

Fig. 10 is a schematic structural view of the middle cam, the mounting block, and the elastic piece of the present invention.

Fig. 11 is a schematic structural view of the rubber sleeve of the present invention.

In the figure: the blade 1, the blade holder 2, the cam 21, the rotating part 211, the end part 212, the mounting block 22, the elastic sheet 23, the rotating hole 24, the outer shell 3, the upper cover 31, the lower cover 32, the through hole 33, the through groove 34, the first sliding groove 35, the first clamping groove 36, the mounting groove 37, the connecting column 38, the limiting groove 39, the inner shell 4, the second sliding groove 41, the rotating shaft 42, the guide rail 43, the first rail 431, the second rail 432, the second clamping groove 44, the auxiliary clamping groove 45, the second connecting spring 46, the button assembly 5, the gland 51, the pressing block 52, the connecting block 53, the first clamping part 54, the second clamping part 55, the compression spring 56, the bolt 57, the sliding assembly 6, the sliding seat 61, the push rod 62, the sliding block 63, the first connecting spring 7, the rubber sleeve 8, the small part 81, the large part 82, the mounting hole 83 and the protrusion 9.

Detailed Description

The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.

Referring to fig. 1 to 11, a multifunctional utility knife includes a knife rest 2, a blade 1, an outer housing 3, an inner housing 4, a button assembly 5, and a sliding assembly 6, the blade 1 is installed in the knife rest 2, a through hole 33 is opened at the head of the outer housing 3, the outer housing 3 includes an upper cover 31 and a lower cover 32 which are mutually buckled, the inner housing 4 is slidably connected to the inner wall of the outer housing 3, the shape of the inner housing 4 is matched with the through hole 33, the head of the inner housing 4 is opened, the knife rest 2 is disposed at the open end of the inner housing 4 and rotatably connected to the inner housing 4, the sliding assembly 6 is movably connected to the inner housing 4 and is matched with the knife rest 2, a through groove 34 is opened on the upper cover 31 along the length direction, one end of the button assembly 5 is connected to the sliding assembly 6, the other end of the button assembly 5 sequentially passes through the inner housing 4 and the through groove 34 and then is positioned on the upper side of the upper cover 31, a first sliding chute 35 is opened on the lower end surface of the upper cover 31, a first clamping portion 54 of the button assembly 5 is slidably connected to the first sliding chute 35, a second clamping groove 55 is opened on the inner wall of the second sliding chute portion 55, and a second clamping groove 55 is opened on the inner wall of the second clamping groove 55, which is matched with the first clamping portion of the second clamping portion of the inner housing 4.

The button assembly 5 comprises a gland 51, a pressing block 52 and a connecting block 53, the gland 51 is located on the upper side of the upper cover 31, one end of the connecting block 53 is connected to the lower side of the gland 51, the other end of the connecting block passes through the through groove 34 and the inner shell 4 and then is in threaded connection with the sliding assembly 6 through a bolt 57, one end of the pressing block 52 is connected to the sliding assembly 6 through a compression spring 56, the other end of the pressing block sequentially passes through the sliding assembly 6, the inner shell 4, the through groove 34 and the gland 51 and then is located on the upper side of the gland 51, and the peripheral surface of the pressing block 52 is sequentially provided with a first clamping portion 54 and a second clamping portion 55 from top to bottom.

The afterbody of upper cover 31 is provided with spliced pole 38, spliced pole 38 with be provided with first coupling spring 7 between the interior casing 4, interior casing 4 with be provided with second coupling spring 46 between the sliding component 6, the inner wall of interior casing 4 is provided with pivot 42, the vertical arrangement of pivot 42, the up end of knife rest 2 is provided with cam 21, installation piece 22, shell fragment 23, cam 21 includes rotation portion 211 and two tip 212, the upper end of rotation portion 211 connect in installation piece 22, the lower extreme connect in the up end of knife rest 2, two tip 212 connect in the left and right sides of rotation portion 211, installation piece 22 seted up with pivot 42 assorted rotation hole 24, shell fragment 23 is located the outside of installation piece 22, the both ends of shell fragment 23 respectively the butt in the outer peripheral face of installation piece 22.

The sliding assembly 6 includes a sliding base 61, a push rod 62, and a sliding block 63, a guide rail 43 is disposed on an inner wall of the inner housing 4, the guide rail 43 is located on an outer periphery of the rotating shaft 42, the sliding block 63 is connected to one end of the push rod 62, the sliding block 63 is slidably connected to the guide rail 43, the other end of the push rod 62 is hinged to the sliding base 61, the guide rail 43 includes a first rail 431 and a second rail 432, the second rail 432 and the first rail 431 are respectively located on left and right sides of the mounting block 22, the two end portions 212 are respectively located on lower sides of the first rail 431 and the second rail 432, the push rod 62 is matched with the end portions 212, an inlet of the first rail 431 is communicated with an outlet of the second rail 432, an outlet of the first rail 431 is communicated with an inlet of the second rail 432, the sliding base 61 is slidably connected to the inner housing 4, and a second connecting spring 46 is disposed between the sliding base 61 and the inner housing 4.

A plurality of continuous slopes are provided in each of the first and

second rails

431 and 432, and the slopes gradually decrease from the inlet of the first rail 431 to the outlet of the second rail 432.

An auxiliary clamping groove 45 is formed in the side wall, close to the second clamping groove 44, of the second sliding groove 41, and the auxiliary clamping groove 45 is matched with the second clamping portion 55.

The head of the through groove 34 is provided with a mounting groove 37, and the mounting groove 37 is matched with the shape of the connecting block 53.

The end face of the lower cover 32 close to the knife edge side of the blade 1 is provided with a limiting groove 39, the limiting groove 39 is arranged along the length direction of the sliding assembly 6, and the blade 1 is connected to the limiting groove 39 in a sliding mode.

The rubber sleeve 8 is arranged on the outer peripheral surface of the outer shell 3, the rubber sleeve 8 comprises a small part 81 and a large part 82 which are connected with each other, the small part 81 is sleeved on the outer peripheral surface of one side of the outer shell 3, the large part 82 is sleeved on the outer peripheral surface of the other side of the outer shell 3, and the side surface of the large part 82 is in an inner arc shape.

The upper end surface and the lower end surface of the outer shell 3 close to the large part 82 are both provided with bulges 9, and the large part 82 is provided with mounting holes 83 matched with the bulges 9.

The principle of the utility model is explained as follows:

firstly pushing a gland 51, the gland 51 drives a knife rest 2 and a blade 1 to slide in an outer shell 3, when the blade 1 slides to be completely separated from the outer shell 3, a first clamping portion 54 on a pressing block 52 is clamped in a first clamping groove 36, the gland 51 cannot be continuously moved at the moment, cutting work can be carried out, when the blade 1 needs to be replaced by a scraper, the pressing block 52 is pressed to enable the pressing block 52 to move downwards, the first clamping portion 54 is separated from the first clamping groove 36, the gland 51 is continuously pushed at the moment, when the inner shell 4 is pushed to abut against a through hole 33 of the outer shell 3 and cannot move, the pressing block 52 is continuously pressed to enable a second clamping portion 55 to be separated from a second clamping groove 44, at the moment, the gland 51 is continuously pushed, the sliding block 63 moves towards an outlet of a first rail 431 at an inlet of the first rail 431, the sliding block 63 moves in the moving process, the sliding block slowly approaches an end portion 212 of the cam 21, the cam 21 is driven to rotate anticlockwise, the mounting block 22 is driven to synchronously rotate, when the elastic piece 23 is rotated to 90 degrees, the blade 1 is changed from the abutting state, the blade 1 to the horizontal state, the sliding block 23, the sliding back to the outlet of the second clamping portion, the mounting block 22, and the second clamping portion 55 is pushed to work, and the auxiliary clamping portion 55, and the second clamping portion can be pushed to the second clamping portion 431, and the second clamping portion 55, when the clamping portion is moved to the second rail 431; when the utility knife needs to be cut back, the pressing block 52 is pressed and the pressing cover 51 is pushed forward, the second clamping portion 55 is separated from the auxiliary clamping groove 45, the sliding block 63 enters the second rail 432 from the first rail 431, the sliding block 63 contacts the other end portion 212 of the cam 21 and drives the cam 21 to rotate 90 degrees clockwise, the blade 1 is restored to the vertical state from the horizontal state, then the pressing cover 51 is pushed back, the second clamping portion 55 is moved into the auxiliary clamping groove 45 and then moved into the second clamping groove 44 from the auxiliary clamping groove, the blade 1 is moved back, when the first clamping portion 54 slides into the first clamping groove 36, the utility knife is cut back to the cutting state from the scraping state, after the work is finished, the pressing block 52 is pressed to separate the first clamping portion 54 from the first clamping groove 36, the inner shell 4 moves towards the tail of the outer shell 3 under the tensile force of the first connecting spring 7, and the blade 1 is completely retracted into the outer shell 3.

Example 1:

referring to fig. 1 to 11, a multifunctional utility knife includes a knife rest 2, a blade 1, an outer housing 3, an inner housing 4, a button assembly 5, and a sliding assembly 6, the blade 1 is installed in the knife rest 2, a through hole 33 is opened at the head of the outer housing 3, the outer housing 3 includes an upper cover 31 and a lower cover 32 which are mutually buckled, the inner housing 4 is slidably connected to the inner wall of the outer housing 3, the shape of the inner housing 4 is matched with the through hole 33, the head of the inner housing 4 is opened, the knife rest 2 is disposed at the open end of the inner housing 4 and rotatably connected to the inner housing 4, the sliding assembly 6 is movably connected to the inner housing 4 and is matched with the knife rest 2, a through groove 34 is opened on the upper cover 31 along the length direction, one end of the button assembly 5 is connected to the sliding assembly 6, the other end of the button assembly 5 sequentially passes through the inner housing 4 and the through groove 34 and then is positioned on the upper side of the upper cover 31, a first sliding chute 35 is opened on the lower end surface of the upper cover 31, a first clamping portion 54 of the button assembly 5 is slidably connected to the first sliding chute 35, a second clamping groove 55 is opened on the inner wall of the second sliding chute portion 55, and a second clamping groove 55 is opened on the inner wall of the second clamping groove 55, which is matched with the first clamping portion of the second clamping portion of the inner housing 4. The button assembly 5 comprises a gland 51, a pressing block 52 and a connecting block 53, the gland 51 is located on the upper side of the upper cover 31, one end of the connecting block 53 is connected to the lower side of the gland 51, the other end of the connecting block passes through the through groove 34 and the inner shell 4 and then is in threaded connection with the sliding assembly 6 through a bolt 57, one end of the pressing block 52 is connected to the sliding assembly 6 through a compression spring 56, the other end of the pressing block sequentially passes through the sliding assembly 6, the inner shell 4, the through groove 34 and the gland 51 and then is located on the upper side of the gland 51, and the peripheral surface of the pressing block 52 is sequentially provided with a first clamping portion 54 and a second clamping portion 55 from top to bottom. The afterbody of upper cover 31 is provided with spliced pole 38, spliced pole 38 with be provided with first coupling spring 7 between the interior casing 4, interior casing 4 with be provided with second coupling spring 46 between the sliding component 6, the inner wall of interior casing 4 is provided with pivot 42, the vertical arrangement of pivot 42, the up end of knife rest 2 is provided with cam 21, installation piece 22, shell fragment 23, cam 21 includes rotation portion 211 and two tip 212, the upper end of rotation portion 211 connect in installation piece 22, the lower extreme connect in the up end of knife rest 2, two tip 212 connect in the left and right sides of rotation portion 211, installation piece 22 seted up with pivot 42 assorted rotation hole 24, shell fragment 23 is located the outside of installation piece 22, the both ends of shell fragment 23 respectively the butt in the outer peripheral face of installation piece 22. The sliding assembly 6 includes a sliding base 61, a push rod 62, and a sliding block 63, a guide rail 43 is disposed on an inner wall of the inner housing 4, the guide rail 43 is located on an outer periphery of the rotating shaft 42, the sliding block 63 is connected to one end of the push rod 62, the sliding block 63 is slidably connected to the guide rail 43, the other end of the push rod 62 is hinged to the sliding base 61, the guide rail 43 includes a first rail 431 and a second rail 432, the second rail 432 and the first rail 431 are respectively located on left and right sides of the mounting block 22, the two end portions 212 are respectively located on lower sides of the first rail 431 and the second rail 432, the push rod 62 is matched with the end portions 212, an inlet of the first rail 431 is communicated with an outlet of the second rail 432, an outlet of the first rail 431 is communicated with an inlet of the second rail 432, the sliding base 61 is slidably connected to the inner housing 4, and a second connecting spring 46 is disposed between the sliding base 61 and the inner housing 4. A plurality of continuous slopes are provided in each of the first and

second rails

Example 2:

the basic contents are the same as those of embodiment 1 except that:

referring to fig. 3, 5, and 7, an auxiliary slot 45 is disposed on a side wall of the second sliding groove 41 close to the second slot 44, and the auxiliary slot 45 is matched with the second engaging portion 55. The head of the through groove 34 is provided with a mounting groove 37, and the mounting groove 37 is matched with the shape of the connecting block 53. The end face of the lower cover 32 close to the knife edge side of the blade 1 is provided with a limiting groove 39, the limiting groove 39 is arranged along the length direction of the sliding assembly 6, and the blade 1 is connected to the limiting groove 39 in a sliding mode.

Example 3:

the basic contents are the same as those of embodiment 1 except that:

referring to fig. 1 and 11, the outer circumferential surface of the outer shell 3 is provided with a rubber sleeve 8, the rubber sleeve 8 includes a small portion 81 and a large portion 82 which are connected with each other, the small portion 81 is sleeved on the outer circumferential surface of one side of the outer shell 3, the large portion 82 is sleeved on the outer circumferential surface of the other side of the outer shell 3, and the side surface of the large portion 82 is in an inner circular arc shape. The upper end surface and the lower end surface of the outer shell 3 close to the large part 82 are both provided with bulges 9, and the large part 82 is provided with mounting holes 83 matched with the bulges 9.

Claims

1. A multifunctional art knife is characterized in that: comprises a knife rest (2), a blade (1), an outer shell (3), an inner shell (4), a button component (5) and a sliding component (6), wherein the blade (1) is arranged in the knife rest (2), the head part of the outer shell (3) is provided with a through hole (33), the outer shell (3) comprises an upper cover (31) and a lower cover (32) which are mutually buckled, the inner shell (4) is connected with the inner wall of the outer shell (3) in a sliding way, the appearance of the inner shell (4) is matched with the through hole (33), the head opening of the inner shell (4) is formed, the knife rest (2) is arranged at the open end of the inner shell (4) and is rotationally connected with the inner shell (4), the sliding component (6) is movably connected in the inner shell (4) and is matched with the knife rest (2), the upper cover (31) is provided with a through groove (34) along the length direction, one end of the button component (5) is connected with the sliding component (6), the other end of the button component (5) sequentially passes through the inner shell (4) and is positioned at the upper side of the upper cover (31), the lower end face of the upper cover (31) is provided with a first sliding groove (35), and a first sliding component (54) is connected with a first sliding chute part (35), first draw-in groove (36) with first joint portion (54) assorted is seted up to the lateral wall of first spout (35), interior casing (4) are close to second spout (41) have been seted up to the inner wall of first joint portion (54), second joint portion (55) sliding connection of button subassembly (5) in second spout (41), second draw-in groove (44) with second joint portion (55) assorted have been seted up to the lateral wall of second spout (41).

2. The multifunctional utility knife according to claim 1, characterized in that: button subassembly (5) are including gland (51), briquetting (52), connecting block (53), gland (51) are located the upside of upper cover (31), the one end of connecting block (53) connect in the downside of gland (51), the other end passes lead to and lie in behind logical groove (34), interior casing (4) through bolt (57) threaded connection in sliding component (6), the one end of briquetting (52) pass through compression spring (56) connect in sliding component (6), the other end passes in proper order sliding component (6), interior casing (4), lead to groove (34), gland (51) the back is located the upside of gland (51), the outer peripheral face of briquetting (52) has set gradually first joint portion (54), second joint portion (55) from top to bottom.

3. The utility knife of claim 2, wherein: the tail of upper cover (31) is provided with spliced pole (38), spliced pole (38) with be provided with first connecting spring (7) between interior casing (4), interior casing (4) with be provided with second connecting spring (46) between sliding component (6), the inner wall of interior casing (4) is provided with pivot (42), pivot (42) vertical arrangement, the up end of knife rest (2) is provided with cam (21), installation piece (22), shell fragment (23), cam (21) are including rotation portion (211) and two tip (212), the upper end of rotation portion (211) connect in installation piece (22), the lower extreme connect in the up end of knife rest (2), two tip (212) connect in the left and right sides of rotation portion (211), rotation hole (24) with pivot (42) assorted is seted up to installation piece (22), shell fragment (23) are located the outside of installation piece (22), the both ends of shell fragment (23) respectively in the outer peripheral face of installation piece (22).

4. A multi-functional utility knife according to claim 3, characterized in that: the sliding assembly (6) comprises a sliding seat (61), a push rod (62) and a sliding block (63), a guide rail (43) is arranged on the inner wall of the inner shell (4), the guide rail (43) is located on the periphery of the rotating shaft (42), the sliding block (63) is connected to one end of the push rod (62), the sliding block (63) is connected to the guide rail (43) in a sliding mode, the other end of the push rod (62) is hinged to the sliding seat (61), the guide rail (43) comprises a first rail (431) and a second rail (432), the second rail (432) and the first rail (431) are located on the left side and the right side of the mounting block (22), the two ends (212) are located on the lower sides of the first rail (431) and the second rail (432) respectively, the push rod (62) is matched with the ends (212), the inlet of the first rail (431) is communicated with the outlet of the second rail (432), the outlet of the first rail (431) is communicated with the inlet of the second rail (432), the sliding seat (61) is connected to the inner shell (4), and a second spring (46) is arranged between the sliding seat (4).

5. The utility knife of claim 4, wherein: a plurality of continuous inclined planes are arranged in the first track (431) and the second track (432), and the inclined planes gradually become lower from the inlet of the first track (431) to the outlet of the second track (432).

6. The utility knife of claim 5, characterized in that: an auxiliary clamping groove (45) is formed in the side wall, close to the second clamping groove (44), of the second sliding groove (41), and the auxiliary clamping groove (45) is matched with the second clamping portion (55).

7. The utility knife of claim 2, wherein: the head of the through groove (34) is provided with a mounting groove (37), and the mounting groove (37) is matched with the shape of the connecting block (53).

8. The utility knife of claim 1, wherein: the end face, close to the knife edge side of the blade (1), of the lower cover (32) is provided with a limiting groove (39), the limiting groove (39) is arranged along the length direction of the sliding assembly (6), and the blade (1) is connected to the limiting groove (39) in a sliding mode.

9. The utility knife of claim 1, wherein: the rubber sleeve (8) is arranged on the peripheral face of the outer shell (3), the rubber sleeve (8) comprises a small portion (81) and a large portion (82) which are connected with each other, the small portion (81) is sleeved on the peripheral face of one side of the outer shell (3), the large portion (82) is sleeved on the peripheral face of the other side of the outer shell (3), and the side face of the large portion (82) is in an inner arc shape.

10. The multifunctional utility knife of claim 9, characterized in that: the upper end face and the lower end face of the outer shell (3) close to the large part (82) are both provided with bulges (9), and the large part (82) is provided with mounting holes (83) matched with the bulges (9).