Blade chuck and tool knife
Technical Field
The present utility model relates to a tool, and more particularly, to a blade cartridge and a tool incorporating the same.
Background
The utility knife is used as a comparatively common tool knife, and is widely applied because of small volume, convenient use and portability. At present, the utility knife blade is vertically installed by being provided with a one-way knife blade leading-in groove, and is clamped by a telescopic salient point, and when the knife blade is taken out, the salient point button is required to be pressed downwards or the clamping groove button is required to be lifted upwards. However, the utility knife can be vertically installed, so that the function of the knife is realized, and the function is single.
In order to solve the problems, a ladder art designing cutter with a cutting, scraping and scraping function is disclosed in the prior art by a publication number CN 218534633U, a blade with the structure can be transversely installed and vertically installed, when the blade is vertically installed, the ladder art designing cutter is used as a cutting knife, when the blade is transversely installed, the ladder art designing cutter is used as a shovel blade, the blade drives a clamping mechanism to start to move and rotate again through a connecting rod, 90-degree switching of angles is realized, and the purpose of dual-purpose of one blade is achieved. But the tool has the advantages of more internal parts, complex structure, higher failure rate, high cost, larger thickness of the tool bit and larger thickness gap with the traditional art designing knife.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a blade chuck which is reasonable in design, simple in structure and convenient to use and a tool knife comprising the blade chuck.
In order to solve the technical problems, the utility model adopts the technical scheme that the blade chuck is used for installing a blade and comprises:
The clamping head comprises a clamping head main body, wherein a first clamping groove capable of vertically clamping a blade and a second clamping groove capable of transversely clamping the blade are formed in the head opening of the clamping head main body, and the first clamping groove and the second clamping groove are overlapped at the crossing part;
The positioning piece is arranged on the chuck main body and comprises a positioning locking piece arranged in the chuck main body, one end of the positioning locking piece extends to an overlapping part between the first clamping groove and the second clamping groove to be matched with the blade, and the positioning locking piece can reciprocate along the vertical direction of the first clamping groove and the second clamping groove to lock or unlock the blade.
As an optimized technical scheme, the first clamping groove is a trapezoid groove matched with the tip end on one side of the blade in shape, the second clamping groove is a rectangular groove matched with the rear end of the blade, and the trapezoid groove and the rectangular groove are arranged in a crossed and overlapped mode.
As the preferable technical scheme, a locking piece groove is formed in the chuck main body, the positioning locking piece can slide along the inner wall of the locking piece groove, and one end of the positioning locking piece penetrates through the locking piece groove to be matched with the blade.
As the preferable technical scheme, the positioning piece further comprises an unlocking lever driving the positioning locking block to vertically move, the positioning locking block is arranged at one end of the unlocking lever, and the other end of the unlocking lever extends out of the chuck main body to be provided with a pressing end.
As a preferable technical scheme, a lock rod groove for accommodating the unlocking lever is formed in the chuck main body, and the lock rod groove is arranged in parallel with the first clamping groove and the second clamping groove; the pressing end of the unlocking lever is pressed, and the other end of the unlocking lever drives the positioning locking block to move towards the direction away from the first clamping groove and the second clamping groove.
As the preferable technical scheme, the inside of locking lever groove is kept away from one side surface of location locking piece is equipped with the unblock and gives up the chute, the unblock gives up the chute and expands the space gradually by outside-in slope, the outside of locking lever groove is close to one side surface of location locking piece is equipped with the unblock and presses the chute, the unblock is pressed the chute and is expanded the space gradually by inside-in slope.
As the preferable technical scheme, the chuck main body comprises a chuck seat plate, a chuck middle layer plate and a chuck cover plate which are correspondingly buckled, wherein the first clamping groove and the second clamping groove are formed between the chuck seat plate and the chuck middle layer plate, the positioning piece is formed between the chuck middle layer plate and the chuck cover plate, the positioning locking piece is slidably arranged on the chuck middle layer plate, and one end of the positioning locking piece penetrates through the chuck middle layer plate and extends to an overlapped part between the first clamping groove and the second clamping groove.
As the preferable technical scheme, the other end of the positioning locking block extends out of the chuck main body, and a spring pressing sheet for pressing the outer surface of the positioning locking block is arranged on the chuck main body.
As the preferable technical scheme, the blade comprises a trapezoid blade body, and a positioning clamping groove or a positioning clamping hole matched with the positioning locking block is formed in the middle of the blade body.
According to another preferred technical scheme, the tool knife comprises a knife body, the end part of the knife body is provided with the knife blade clamping head, and the knife blade is transversely arranged in a first clamping groove of the knife blade clamping head or vertically arranged in a second clamping groove of the knife blade clamping head.
The novel blade chuck has the beneficial effects that the novel blade chuck is provided with the bidirectional blade clamping groove, can meet the requirements of vertical installation and transverse installation of blades, can be used as a cutting knife to realize a cutting function when being vertically installed, can be used as a scraper knife to realize a scraping function when being transversely installed, can be applied to various use working conditions by different installation modes, can realize locking and unlocking of the blades through movement of the positioning locking piece, has the advantages of small number of parts, simple structure, low failure rate, low cost and the like, can obviously reduce the thickness of a cutter body, is close to the thickness of the cutter head of the traditional art knife, and has better practicability.
Drawings
The following drawings are only for purposes of illustration and explanation of the present utility model and are not intended to limit the scope of the utility model.
FIG. 1 is a schematic view of a blade cartridge according to an embodiment of the present utility model;
FIG. 2 is a schematic exploded view of a blade cartridge according to an embodiment of the present utility model;
FIG. 3 is a structural exploded view of a blade cartridge according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a vertical mounting of a blade according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a transverse mounting of a blade according to an embodiment of the present utility model;
FIG. 6 is a schematic view of a portion of a lock block slot according to an embodiment of the present utility model;
FIG. 7 is a schematic view of another part of the structure of the lock block groove according to the embodiment of the present utility model;
FIG. 8 is a schematic view of a lock block in a locked state according to an embodiment of the present utility model;
FIG. 9 is a schematic diagram of an embodiment of the utility model in an unlocked state of a positioning lock block;
FIG. 10 is a schematic view of another embodiment of a blade cartridge of the present utility model;
In the figure, 100-blade cartridge, 110-cartridge body, 111-first clamping slot, 112-second clamping slot, 113-cartridge seat plate, 114-cartridge middle plate, 115-cartridge cover plate, 120-positioning piece, 121-positioning locking piece, 122-unlocking lever, 123-pressing end, 124-locking piece slot, 125-locking lever slot, 126-unlocking relief chute, 127-unlocking pressing chute, 128-spring pressing sheet and 200-blade.
Detailed Description
The utility model is further illustrated in the following, in conjunction with the accompanying drawings and examples. In the following detailed description, certain exemplary embodiments of the present utility model are described by way of illustration only. It is needless to say that the person skilled in the art realizes that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive in scope.
Embodiment one:
the tool knife comprises a knife body, wherein the end part of the knife body is provided with a blade chuck 100, and the blade 200 is transversely arranged in a first clamping groove of the blade chuck 100 or vertically arranged in a second clamping groove of the blade chuck 100. The blade chuck 100 has two installation positions, including vertical installation position and horizontal installation position, and the vertical installation of blade 200 can be realized to the vertical installation position that first double-layered groove corresponds, uses as the cutting knife, and the horizontal installation of blade 200 can be realized to the horizontal installation position that the second double-layered groove corresponds, uses as the plane spiller.
As shown in fig. 1 to 3, the blade cartridge 100 includes a cartridge body 110 and a positioning member 120, wherein the cartridge body 110 is used for clamping the blade 200, so as to implement vertical installation and lateral installation of the blade 200, and the positioning member 120 is used for limiting the position of the installed blade 200, so as to ensure stable installation of the blade 200. The chuck body 110 may be integrally formed with the cutter body, or may be mechanically coupled to the cutter body.
In this embodiment, the blade 200 is a trapezoid art knife commonly used in the prior art, the tips at two sides of the trapezoid art knife are trapezoid, when the trapezoid art knife is vertically installed, the blade 200 exposed out of the chuck main body 110 has the same shape as a cutter knife, so that a cutting function can be realized, and when the trapezoid art knife is transversely installed, the blade 200 exposed out of the chuck main body 110 has the same shape as a shovel knife, so that a scraping function can be realized.
Referring to fig. 2 to 5, the head of the chuck body 110 is provided with a first clamping groove 111 capable of vertically clamping the blade 200 and a second clamping groove 112 capable of transversely clamping the blade 200, the first clamping groove 111 and the second clamping groove 112 are partially overlapped, the first clamping groove 111 is a trapezoid groove with a tip shape adapted to one side of the blade 200, one side tip of the blade 200 is completely clamped in the trapezoid groove, the trapezoid shape of the trapezoid groove completely surrounds one side tip of the blade 200 for limiting, the effect diagram after installation is shown in fig. 4, the second clamping groove 112 is a rectangle groove adapted to the rear end of the blade 200, the front end of the rectangle groove penetrates through the chuck body 110, the rear end (the end opposite to the blade end) of the blade 200 is clamped in the rectangle groove, both side tips extend out of the rectangle groove, the rectangle groove limits the rear end face of the blade 200, the trapezoid groove and the rectangle groove is crossed and overlapped by 90 ° after installation.
Referring to fig. 6 and 7, the positioning member 120 is mounted on the chuck body 110, and includes a positioning lock block 121 and an unlocking lever 122. The positioning lock block 121 is disposed in the chuck body 110 and is used as a mechanical structure for locking the blade 200 or unlocking the blade 200, one end of the positioning lock block 121 extends to an overlapping portion between the first clamping groove 111 and the second clamping groove 112 to be matched with the blade 200, the other end is connected with the unlocking lever 122, and the positioning lock block 121 can reciprocate along a vertical direction of the first clamping groove 111 and the second clamping groove 112 to lock the blade 200 or unlock the blade 200. The unlocking lever 122 is used as a control structure for driving the positioning lock block 121 to vertically move, the positioning lock block 121 is arranged at one end of the unlocking lever 122, the other end of the unlocking lever 122 extends out of the outer pressing end 123 of the chuck main body 110, and the pressing end 123 is positioned outside the side part of the cutter body 100, so that the operation of hands is facilitated. When the pressing end 123 is pressed, the unlocking lever 122 tilts, and the other end is tilted in a lever manner, so that the positioning locking piece 121 is driven to move towards the direction away from the first clamping groove 111 and the second clamping groove 112, the blade 200 is unlocked, the blade 200 can be taken out by hand at the moment, when the pressing end 123 is released, the unlocking lever 122 resets and tilts reversely, the positioning locking piece 121 is driven to approach towards the direction of the first clamping groove 111 and the second clamping groove 112, the blade 200 is locked, and at the moment, the blade 200 is stably fixed. In this embodiment, the unlocking lever 122 is a plastic part with a certain plastic deformation, the positioning locking piece 121 may be a plastic part integrally formed with the unlocking lever 122, when the pressing end 123 is pressed with force, the unlocking lever 122 is integrally deformed, so as to unlock, and when the pressing end is not pressed any more, the unlocking lever 122 is restored to deform, so as to maintain the locked state.
The chuck main body 110 is internally provided with a locking block groove 124, the positioning locking block 121 can slide along the inner wall of the locking block groove 124, one end of the positioning locking block 121 passes through the locking block groove 124 to be matched with the blade 200, the blade 200 comprises a trapezoidal blade body, the middle part of the blade body is provided with a positioning clamping groove or a positioning clamping hole matched with the positioning locking block 121, when the positioning locking block 121 is slidably inserted into the positioning clamping groove or the positioning clamping hole, the blade 200 is locked, the first clamping groove 111 and the second clamping groove 112 are matched to stably fix the blade 200, and when the positioning locking block 121 is retracted from the positioning clamping groove or the positioning clamping hole, the blade 200 can be unlocked, and at the moment, the blade 200 can be taken down. In this embodiment, the positioning locking piece 121 and the locking piece groove 124 are both cylindrical, the diameter of the locking piece groove 124 is larger than that of the positioning locking piece 121, and when the positioning locking piece 121 is driven by the unlocking lever 122 to tilt outwards, the positioning locking piece 121 can have a small amount of lateral movement, which is beneficial to the smooth movement of the positioning locking piece 121 in the vertical direction. The sizes of the positioning clamping grooves and the positioning clamping holes are basically corresponding to the size of the positioning locking block 121, so as to ensure that the position of the blade 200 is stable, and when the end part of the blade 200 abuts against the positions of the first clamping groove 111 and the second clamping groove 112, the positions of the positioning clamping grooves and the positioning clamping holes are basically consistent with the positions of the positioning locking block 121, thereby smoothly completing the locking.
The chuck main body 110 is internally provided with a lock bar groove 125 for accommodating the unlocking lever 122, the lock bar groove 125 is parallel to the first clamping groove 111 and the second clamping groove 112, the width of the lock bar groove 125 basically corresponds to the width of the unlocking lever 122, when the unlocking lever 122 is not forced to deform, the lock bar groove 125 can limit the unlocking lever 122 in a horizontal state, the pressing end 123 of the unlocking lever 122 is pressed, and the other end of the unlocking lever 122 drives the positioning locking block 121 to move towards a direction away from the first clamping groove 111 and the second clamping groove 112. The inside of locking lever groove 125 is kept away from the one side surface of location latch block 121 is equipped with the unblock and gives up chute 126, the unblock gives up chute 126 and inclines gradually the expansion space from outside to inside, the outside of locking lever groove 125 is close to one side surface of location latch block 121 is equipped with the unblock and presses chute 127, the unblock presses chute 127 and inclines gradually the expansion space from inside to outside. The unlocking return chute 126 and the unlocking pressing chute 127 are located at two sides and two ends of the unlocking lever 122, so that the unlocking lever 122 can form a lever type installation mode, when the pressing end 123 of the unlocking lever 122 presses towards the direction of the unlocking pressing chute 127, the unlocking lever 122 is forced to deform, so that the other end of the unlocking lever 122 moves towards the unlocking return chute 126, the positioning lock block 121 is driven to unlock the blade 200, the unlocked state is shown in fig. 9, when the unlocking lever 122 is not pressed any more, the unlocking lever 122 is restored to deform, and the locking lever groove 125 is basically kept in parallel, so that the positioning lock block 121 locks the blade 200, and the locked state is shown in fig. 8.
The chuck body 110 includes a chuck base plate 113, a chuck middle layer plate 114 and a chuck cover plate 115 which are correspondingly buckled, the first clamping groove 111 and the second clamping groove 112 are arranged between the chuck base plate 113 and the chuck middle layer plate 114, the positioning piece 120 is arranged between the chuck middle layer plate 114 and the chuck cover plate 115, the positioning locking piece 121 is slidably arranged on the chuck middle layer plate 114, and one end of the positioning locking piece penetrates through the chuck middle layer plate 114 to extend to an overlapped part between the first clamping groove 111 and the second clamping groove 112. The chuck main body 110 is composed of the chuck seat plate 113, the chuck middle layer plate 114 and the chuck cover plate 115, the chuck seat plate 113, the chuck middle layer plate 114 and the chuck cover plate 115 can be fixed by bolts, the structure is divided into three parts, a tool bit is clamped between the chuck seat plate 113 and the chuck middle layer plate 114, and the positioning locking block 121 and the unlocking lever 122 are arranged between the chuck middle layer plate 114 and the chuck cover plate 115.
Embodiment two:
The structure of this embodiment is basically the same as that of the second embodiment, and the difference is mainly that the structure of the positioning member 120 is different. In the second embodiment, the other end of the positioning locking piece 121 extends out of the chuck body 110, the chuck body 110 is provided with a spring pressing piece 128 for pressing the outer surface of the positioning locking piece 121, referring to fig. 10, the spring pressing piece 128 presses the positioning locking piece 121 with force, so that the positioning locking piece 121 locks the blade 200, when the blade needs to be unlocked, the spring pressing piece 128 is pushed upwards, the positioning locking piece 121 is released, the cutter body is downward, the positioning locking piece 121 moves outwards, the blade 200 is unlocked, and the blade 200 can be removed at the moment.
The foregoing has shown and described the basic principles, main features and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.