Multifunctional tool knife

Abstract

The utility model discloses a multifunctional tool knife and relates to the technical field of knives, a knife handle comprises an upper knife handle shell, a lower knife handle shell, a left knife handle shell and a right knife handle shell, a blade storage box is arranged at the rear end of the knife handle, and a rotating shaft is arranged at one end of the blade storage box. The lower knife handle shell and the upper knife handle shell are provided with circular grooves used in cooperation with the rotating shaft, the upper knife handle shell is provided with a spring mounting groove, a first spring is arranged in the spring mounting groove, and the blade storage box is provided with a first spring limiting column. The blade storage box is arranged at the rear end of the knife handle, a blade is convenient to carry, the right knife handle shell is provided with the locking piece sliding groove, the upper knife handle shell is provided with the locking piece, the second spring is matched with the first protrusion on the locking piece and the first groove in the blade storage box, the blade storage box can be reliably locked on the knife handle, and the knife handle is convenient to use. And accidental opening is prevented, and the blade is stored.

Description

TECHNICAL FIELD

[0001] The utility model relates to tool technical field especially relates to multifunctional tool knife. BACKGROUND

[0002] The art knife and the scraper are all common hand tools, in some common construction area, often need to use both together, and because the blade length direction of the art knife is consistent with the length direction of the blade body, and the blade length direction of the scraper is perpendicular to the length direction of the blade body, therefore, the functions of the two are not easy to combine, and in the use process, the damage rate of the blade is higher, needs to have multiple blades, the blade box that stores the blade alone is inconvenient to carry, therefore, need to set up a multifunctional tool knife that can solve the above problems. SUMMARY

[0003] In order to realize the above object, the utility model provides the following technical scheme: multifunctional tool knife, including handle, blade and blade drive assembly, wherein, the handle includes upper handle shell, lower handle shell, left handle shell and right handle shell, the rear end of the handle is provided with blade storage box, one end of the blade storage box is provided with pivot, the lower handle shell and the upper handle shell are provided with the circular groove that uses pivot cooperation, the upper handle shell is provided with spring installation groove, the spring installation groove is provided with spring one, the blade storage box is provided with spring limit post one, the both ends of spring one are fixedly connected with spring installation groove and spring limit post one respectively, the right handle shell is provided with the opening that uses blade storage box cooperation, the right handle shell is provided with lock piece sliding groove, the upper handle shell is provided with lock piece, the upper handle shell is provided with installation groove that uses lock piece cooperation, lock piece is arranged in installation groove slidingly, the outermost end of lock piece is arranged on lock piece sliding groove, the end of lock piece away from blade storage box is provided with spring two, the end of lock piece close to blade storage box is provided with convex one, the blade storage box is provided with recess one that uses convex one cooperation, the blade drive assembly is arranged in the inside of handle, the blade is arranged on the blade drive assembly.

[0004] Preferably, the blade driving assembly comprises an adjusting block, a blade mounting portion, a pusher, a moving piece and a guide rail, the guide rail is fixed on the upper cutter handle shell, the guide rail is provided with a guide groove on both sides, the moving piece is provided with a guide block on both sides, the moving piece is arranged on the guide rail through the guide block, and the guide groove and the guide block are matched with each other; the moving piece is provided with a mounting groove one, the moving piece is provided with an elongated locking key, the two sides of the middle of the elongated locking key are provided with circular shafts, the circular shafts are arranged in the mounting groove one, the elongated locking key is located between the moving piece and the guide rail, the rear end of the moving piece is provided with a groove two, the adjusting block is arranged at the position of the groove two, the bottom end of the adjusting block is provided with a protrusion one, and the protrusion one corresponds to the groove two; one end of the elongated locking key is arranged at the lower end of the adjusting block; the moving piece is provided with an opening matched with the elongated locking key, the bottom end of the elongated locking key is provided with a protrusion two, the protrusion two extends downward through the opening, the top end of the adjusting block is provided with the pusher, the guide rail is provided with an elongated opening matched with the sliding of the adjusting block, the guide rail is provided with two adjusting grooves one, two adjusting grooves two, two adjusting grooves three, two adjusting grooves four and two adjusting grooves five, the two adjusting grooves one are symmetrically arranged, the two adjusting grooves two are symmetrically arranged, the two adjusting grooves three are symmetrically arranged, the two adjusting grooves four are symmetrically arranged, the two adjusting grooves five are symmetrically arranged, the two sides of the adjusting block are provided with protrusions three respectively, and the protrusions three are matched with the adjusting grooves one, the adjusting grooves two, the adjusting grooves three, the adjusting grooves four and the adjusting grooves five respectively; the upper cutter handle shell is provided with an elongated opening matched with the pusher, and the blade mounting portion is arranged at the front end of the moving piece.

[0005] Preferably, the blade mounting portion comprises an upper cover plate, a lower cover plate and a blade fixing piece, the blade is arranged between the upper cover plate and the lower cover plate, the inner portion of the upper cover plate is provided with a blade fixing piece mounting groove, the blade fixing piece is arranged in the blade fixing piece mounting groove, the blade fixing piece is provided with a circular fixing block and a rectangular fixing block, and the blade is provided with a mounting hole matched with the circular fixing block and the rectangular fixing block.

[0006] Preferably, the blade fixing piece is provided with an L-shaped protrusion, the lower cover plate is provided with an L-shaped opening matched with the L-shaped protrusion, the front end of the lower cutter handle shell is provided with a button mounting groove, the button mounting groove is provided with a button, and the bottom end of the button extends to the bottom of the button mounting groove through the bottom end of the button mounting groove and is in contact with the L-shaped protrusion.

[0007] Preferably, the blade is in a trapezoidal structure.

[0008] Preferably, the front end of the inner portion of the lower cutter handle shell is provided with a J-shaped groove, and the blade mounting portion is provided with a cylinder matched with the J-shaped groove.

[0009] Preferably, the outer surfaces of the left handle shell and the right handle shell are provided with rubber layers.

[0010] Beneficial effects: compared with the prior art, the utility model discloses a blade storage box is arranged at the rear end of the handle, and the right handle shell is provided with a locking element sliding groove, and the upper handle shell is provided with a locking element, the blade storage box is reliably locked on the handle through the cooperation of the protrusion one on the locking element and the groove one on the blade storage box, and the accidental opening is prevented, and the blade storage is used. The guide groove and the guide block are matched, the moving part can stably slide on the guide rail, the protrusion one is matched with the groove two of the moving part through the adjusting block, and the long locking key is matched with the adjusting block and the moving part, so that the adjusting block can drive the moving part to be accurately positioned on the guide rail, the protrusion three on the both sides of the adjusting block is matched with different adjusting grooves, different position adjustments can be realized, and different use demands can be met. The circular fixing block and the rectangular fixing block on the blade fixing part are matched with the mounting hole on the blade, and the blade can be stably installed. Meanwhile, the L-shaped protrusion on the blade fixing part is matched with the L-shaped opening on the lower cover plate, the button at the front end of the lower handle shell is in contact with the L-shaped protrusion, the blade fixing part is conveniently controlled through the button, and the installation and dismounting of the blade are facilitated. The J-shaped groove at the front end in the lower handle shell is matched with the cylinder on the blade mounting part, when the adjusting block is pushed to the adjusting groove four or the adjusting groove five, the blade is completely separated from the interior of the handle, and is changed into a spade form, and the function of the art knife is improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0012] Figure 2 It is a three-dimensional structure schematic view of the utility model.

[0013] Figure 3 It is a three-dimensional structure schematic view of the utility model.

[0014] Figure 4 It is a three-dimensional structure schematic view of the utility model.

[0015] Figure 5 It is an explosion view of the utility model.

[0016] Figure 6 It is an explosion view of the utility model.

[0017] Figure 7 It is a structure view of the upper cover plate of the utility model.

[0018] Figure 8The utility model discloses a fixed piece structure diagram of blade.

[0019] Figure 9 The utility model discloses a fixed piece structure diagram of blade.

[0020] In the drawing, 1 is a handle, 101 is an upper handle shell, 102 is a lower handle shell, 103 is a left handle shell, 104 is a right handle shell, 2 is a blade, 3 is a blade storage box, 4 is a rotating shaft, 5 is a circular groove, 6 is a spring mounting groove, 7 is a spring one, 8 is a spring limiting post one, 9 is a locking piece sliding groove, 10 is a locking piece, 11 is a mounting groove, 13 is a spring two, 14 is a convex one, 15 is a recess one, 16 is an adjusting block, 17 is a pusher, 18 is a moving piece, 19 is a guide rail, 20 is a guide groove, 21 is a guide block, 22 is a mounting groove one, 23 is a long type locking key, 24 is a round shaft, 25 is a recess two, 26 is a convex block one, 27 is a convex block two, 28 is an adjusting recess one, 29 is an adjusting recess two, 30 is an adjusting recess three, 31 is an adjusting recess four, 32 is an adjusting recess five, 33 is a convex block three, 34 is an upper cover plate, 35 is a lower cover plate, 36 is a blade fixed piece, 37 is a blade fixed piece mounting groove, 38 is a circular fixed block, 39 is a rectangular fixed block, 40 is an L type convex, 41 is an L type opening, 42 is a button mounting groove, 43 is a button, 44 is a J type groove, 45 is a cylinder, 46 is a rubber layer. DETAILED DESCRIPTION

[0021] The technical scheme of the patent will be explained in further detail in connection with the specific implementation.

[0022] EMBODIMENT

[0023] Please refer to the drawings, the utility model discloses a multifunctional tool knife, including handle 1, blade 2 and blade drive assembly, wherein, handle 1 includes upper handle shell 101, lower handle shell 102, left handle shell 103 and right handle shell 104, the rear end of handle 1 is provided with blade storage box 3, one end of blade storage box 3 is provided with pivot 4, lower handle shell 102 and upper handle shell 101 are provided with the circular groove 5 of cooperation pivot 4, upper handle shell 101 is provided with spring mounting groove 6, spring mounting groove 6 is provided with spring one 7, blade storage box 3 is provided with spring stopper column one 8, and both ends of spring one 7 are fixedly connected with spring mounting groove 6, spring stopper column one 8 respectively, right handle shell 104 is provided with the opening of cooperation blade storage box 3, right handle shell 104 is provided with lock piece sliding slot 9, upper handle shell 101 is provided with lock piece 10, upper handle shell 101 is provided with the mounting groove 11 of cooperation lock piece 10, lock piece 10 is slidably arranged in mounting groove 11, the outermost end of lock piece 10 is arranged on lock piece sliding slot 9, one end of lock piece 10 away from blade storage box 3 is provided with spring two 13, one end of lock piece 10 close to blade storage box 3 is provided with protrusion one 14, blade storage box 3 is provided with recess one 15 of cooperation protrusion one 14, blade drive assembly is arranged in the inside of handle 1, and blade 2 is arranged on blade drive assembly.

[0024] The blade driving assembly comprises an adjusting block 16, a blade mounting portion, a pushing piece 17, a moving piece 18 and a guide rail 19 fixed on the upper blade handle shell 101, two sides of the guide rail 19 are respectively provided with guide grooves 20, two sides of the moving piece 18 are provided with guide blocks 21, the moving piece 18 is arranged on the guide rail 19 through the guide blocks 21, and the guide grooves 20 and the guide blocks 21 are used in cooperation with each other; the moving piece 18 is provided with a mounting groove one 22, the moving piece 18 is provided with an elongated locking key 23, two sides of the middle of the elongated locking key 23 are respectively provided with circular shafts 24, the circular shafts 24 are arranged in the mounting groove one 22, the elongated locking key 23 is located between the moving piece 18 and the guide rail 19, a rear end of the moving piece 18 is provided with a groove two 25, the groove two 25 is provided with the adjusting block 16, a bottom end of the adjusting block 16 is provided with a protruding block one 26 corresponding to the groove two 25; one end of the elongated locking key 23 is arranged at a lower end of the adjusting block 16; the moving piece 18 is provided with an opening matched with the elongated locking key 23, a bottom end of the elongated locking key 23 is provided with a protruding block two 27, the protruding block two 27 extends downward through the opening, a top end of the adjusting block 16 is provided with the pushing piece 17, the guide rail 19 is provided with a long strip-shaped opening matched with sliding of the adjusting block 16, the guide rail 19 is provided with two adjusting grooves one 28, two adjusting grooves two 29, two adjusting grooves three 30, two adjusting grooves four 31 and two adjusting grooves five 32, the two adjusting grooves one 28 are symmetrically arranged, the two adjusting grooves two 29 are symmetrically arranged, the two adjusting grooves three 30 are symmetrically arranged, the two adjusting grooves four 31 are symmetrically arranged, the two adjusting grooves five 32 are symmetrically arranged, two sides of the adjusting block 16 are respectively provided with protruding blocks three 33, the protruding blocks three 33 are respectively matched with the adjusting grooves one 28, the adjusting grooves two 29, the adjusting grooves three 30, the adjusting grooves four 31 and the adjusting grooves five 32; the upper blade handle shell 101 is provided with a long strip-shaped opening matched with the pushing piece 17, and the blade mounting portion is arranged at a front end of the moving piece 18.

[0025] The blade mounting portion comprises an upper cover plate 34, a lower cover plate 35 and a blade fixing piece 36, the blade 2 is arranged between the upper cover plate 34 and the lower cover plate 35, an inner portion of the upper cover plate 34 is provided with a blade fixing piece mounting groove 37, the blade fixing piece 36 is arranged in the blade fixing piece mounting groove 37, the blade fixing piece 36 is provided with a circular fixing block 38 and a rectangular fixing block 39, and the blade 2 is provided with mounting holes matched with the circular fixing block 38 and the rectangular fixing block 39.

[0026] The blade fixing part 36 is provided with an L-shaped protrusion 40, the lower cover plate 35 is provided with an L-shaped opening 41 matched with the L-shaped protrusion 40, the front end of the lower knife handle shell 102 is provided with a button mounting slot 42, the button mounting slot 42 is provided with a button 43, the bottom end of the button 43 penetrates the bottom end of the button mounting slot 42 and extends to the bottom of the button mounting slot 42 and contacts the L-shaped protrusion 40.

[0027] The blade 2 is in a trapezoidal structure.

[0028] The front end of the inside of the lower knife handle shell 102 is provided with a J-shaped slot 44, and the blade mounting part is provided with a cylinder 45 matched with the J-shaped slot 44.

[0029] The outer surfaces of the left knife handle shell 103 and the right knife handle shell 104 are both provided with a rubber layer 46.

[0030] Working principle: the blade storage box is matched with the circular slot on the lower knife handle shell and the upper knife handle shell through the rotating shaft, and can rotate around the rotating shaft. The locking part is slidingly arranged in the mounting slot of the upper knife handle shell, one end of the locking part is provided with elastic force through the spring two, and the protrusion one at the other end is matched with the groove one on the blade storage box. When the locking part is in the locking position, the protrusion one is clamped into the groove one, so that the blade storage box is firmly locked on the knife handle and is prevented from being accidentally opened; when it is necessary to open the storage box, the locking part is pushed to move against the elastic force of the spring two, and the protrusion one is separated from the groove one, so that the storage box can be opened.

[0031] The adjusting block is provided with a pushing part at the top end, the pushing part can be operated through the long strip-shaped opening on the upper knife handle shell. The guide rail is provided with a plurality of adjusting grooves, the protrusion three on the two sides of the adjusting block can be matched with different adjusting grooves, the pushing part is pushed to make the adjusting block drive the moving part to slide on the guide rail, and when the protrusion three falls into different adjusting grooves, the moving part can be positioned at different positions, so that the position of the blade on the blade mounting part at the front end of the moving part is accurately adjusted to adapt to different working requirements. There are four positions of the above-mentioned blade, when the adjusting block is located at the position of the adjusting groove one and the adjusting groove two, the adjusting block is used as an art knife, and when the adjusting block is located at the position of the adjusting groove three or the adjusting groove four, the adjusting block is used as a spatula.

[0032] In summary, the utility model discloses a knife handle's rear end is provided with blade storage box, and the right knife handle shell sets up the sliding groove of locking piece, and the upper knife handle shell sets up locking piece, and through spring no.2 and the protruding no.1 on locking piece and the recess no.1 on blade storage box cooperation, can reliably lock blade storage box on the knife handle, prevent accidental opening, the guide rail of blade drive assembly and moving part are through the cooperation of guide groove and guide block, and moving part can stably slide on the guide rail, and the recess no.2 of adjusting block and moving part is through the protruding no.1 cooperation, and long locking key and adjusting block, moving part mutually cooperate, make adjusting block can drive moving part on the guide rail accurate positioning, through the protruding no.3 of adjusting block both sides and the cooperation of different adjusting recess, can realize different position adjustment, to satisfy different use demand, the blade of blade mounting portion is fixed through upper cover plate, lower cover plate and blade fixing piece, and the circular fixed block and rectangular fixed block on blade fixing piece cooperate with the mounting hole on blade, can firmly install blade. Meanwhile, the L type protrusion on blade fixing piece and the L type opening on lower cover plate cooperate, and the button on the front end of lower knife handle shell and L type protrusion contact, facilitate through the button control blade fixing piece, facilitate the installation and disassembly of blade. The J type groove of lower knife handle shell inside front end and the cylinder on blade mounting portion cooperate, when pushing adjusting block to adjusting recess no.4 or adjusting recess no.5, blade completely leaves the inside of knife handle, and then changes into spade form, improves the function of art knife.

[0033] The above is only the preferred embodiment of the utility model, and it should be pointed out that for those skilled in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which should also be considered as the protection range of the utility model, and these will not affect the effect and practicality of the utility model.

[0034] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. In the description of the present application, it should be understood that the terms "center", "vertical", "horizontal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more. In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A multi-purpose utility knife comprising a handle (1), a blade (2) and a blade drive assembly, characterised in that: The knife handle (1) comprises an upper knife handle shell (101), a lower knife handle shell (102), a left knife handle shell (103) and a right knife handle shell (104), the rear end of the knife handle (1) is provided with a blade storage box (3), one end of the blade storage box (3) is provided with a rotating shaft (4), the lower knife handle shell (102) and the upper knife handle shell (101) are provided with a circular groove (5) matched with the rotating shaft (4), the upper knife handle shell (101) is provided with a spring mounting groove (6), the spring mounting groove (6) is provided with a spring one (7), the blade storage box (3) is provided with a spring limiting column one (8), and two ends of the spring one (7) are fixedly connected with the spring mounting groove (6) and the spring limiting column one (8) respectively; the right knife handle shell (104) is provided with an opening matched with the blade storage box (3), the right knife handle shell (104) is provided with a locking piece sliding groove (9), the upper knife handle shell (101) is provided with a locking piece (10), the upper knife handle shell (101) is provided with a mounting groove (11) matched with the locking piece (10), the locking piece (10) is slidingly arranged in the mounting groove (11), the outermost end of the locking piece (10) is arranged on the locking piece sliding groove (9), one end of the locking piece (10) away from the blade storage box (3) is provided with a spring two (13), one end of the locking piece (10) close to the blade storage box (3) is provided with a protrusion one (14), the blade storage box (3) is provided with a groove one (15) matched with the protrusion one (14), a blade driving assembly is arranged in the interior of the knife handle (1), and the blade (2) is arranged on the blade driving assembly.

2. The multi-purpose utility knife of claim 1, wherein: The blade driving assembly comprises an adjusting block (16), a blade mounting part, a pushing piece (17), a moving piece (18) and a guide rail (19), the guide rail (19) is fixed on the upper blade handle shell (101), guide grooves (20) are arranged on the two sides of the guide rail (19) respectively, guide blocks (21) are arranged on the two sides of the moving piece (18), the moving piece (18) is arranged on the guide rail (19) through the guide blocks (21), and the guide grooves (20) and the guide blocks (21) are used in cooperation with each other; a mounting groove one (22) is arranged on the moving piece (18), an elongated locking key (23) is arranged on the moving piece (18), round shafts (24) are arranged on the two sides of the middle of the elongated locking key (23) respectively, the round shafts (24) are arranged in the mounting groove one (22), the elongated locking key (23) is located between the moving piece (18) and the guide rail (19), a recess two (25) is arranged at the rear end of the moving piece (18), the adjusting block (16) is arranged at the position of the recess two (25), a convex block one (26) is arranged at the bottom end of the adjusting block (16), and the convex block one (26) corresponds to the recess two (25); one end of the elongated locking key (23) is arranged at the lower end of the adjusting block (16); an opening used in cooperation with the elongated locking key (23) is arranged on the moving piece (18), a convex block two (27) is arranged at the bottom end of the elongated locking key (23), the convex block two (27) extends downward through the opening, the pushing piece (17) is arranged at the top end of the adjusting block (16), a long strip-shaped opening used in cooperation with the sliding of the adjusting block (16) is arranged on the guide rail (19), two adjusting recess one (28), two adjusting recess two (29), two adjusting recess three (30), two adjusting recess four (31) and two adjusting recess five (32) are arranged on the guide rail (19), the two adjusting recess one (28) are symmetrically arranged, the two adjusting recess two (29) are symmetrically arranged, the two adjusting recess three (30) are symmetrically arranged, the two adjusting recess four (31) are symmetrically arranged, the two adjusting recess five (32) are symmetrically arranged, convex blocks three (33) are arranged on the two sides of the adjusting block (16) respectively, and the convex blocks three (33) are used in cooperation with the adjusting recess one (28), the adjusting recess two (29), the adjusting recess three (30), the adjusting recess four (31) and the adjusting recess five (32) respectively; a long strip-shaped opening used in cooperation with the pushing piece (17) is arranged on the upper blade handle shell (101), and the blade mounting part is arranged at the front end of the moving piece (18).

3. The multi-purpose utility knife of claim 1, wherein: The blade mounting part comprises an upper cover plate (34), a lower cover plate (35) and a blade fixing member (36), the blade (2) is arranged between the upper cover plate (34) and the lower cover plate (35), the interior of the upper cover plate (34) is provided with a blade fixing member mounting groove (37), the blade fixing member (36) is arranged in the blade fixing member mounting groove (37), the blade fixing member (36) is provided with a circular fixing block (38) and a rectangular fixing block (39), the blade (2) is provided with mounting holes matched with the circular fixing block (38) and the rectangular fixing block (39).

4. The multi-purpose utility knife of claim 3, wherein: The blade fixing member (36) is provided with an L-shaped protrusion (40), the lower cover plate (35) is provided with an L-shaped opening (41) matched with the L-shaped protrusion (40), the front end of the lower blade handle shell (102) is provided with a button mounting groove (42), the position of the button mounting groove (42) is provided with a button (43), the bottom end of the button (43) penetrates the bottom end of the button mounting groove (42) and extends to the bottom of the button mounting groove (42) and is in contact with the L-shaped protrusion (40).

5. The multi-purpose utility knife of claim 3, wherein: The blade (2) is in a trapezoidal structure.

6. The multi-purpose utility knife of claim 1, wherein: The front end of the interior of the lower blade handle shell (102) is provided with a J-shaped groove (44), and the blade mounting part is provided with a cylinder (45) matched with the J-shaped groove (44).

7. The multi-purpose utility knife of claim 1, wherein: The outer surfaces of the left blade handle shell (103) and the right blade handle shell (104) are both provided with a rubber layer (46).

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