CN209665439U - A kind of cutter head of Foldable carving knife - Google Patents

Abstract

The utility model discloses a kind of cutter heads of Foldable carving knife, including knife rest, blade, the knife rest is formed by connecting by upper cover and the mutual pairing of pedestal, tool changing cage knob is provided in the cage knob hole that the upper cover of the knife rest is equipped with, the pedestal of the knife rest is equipped with the first spring film trap, arcuate bombing leaf is provided in first spring film trap, the top surface of spring leaf and the bottom surface elasticity of tool changing cage knob are abutted against, tool changing cage knob is acted on by elastic force in the two blade locked grooves on the two luer locks merging blade top that open recess lower surface thereon is equipped with, by blade locking positioning in the blade cavity of knife rest, in the new blade of bit replacing, pressing tool changing cage knob can be such that the disengaging of two luer locks connect with the locking of two blade locked groove of blade top, the old blade in knife rest easily, which is taken out, with hand changes new blade.The advantages of this cutter head is: part used is few, and structure is simple, easy to assembly, and with the Foldable carving knife of knife handle mating composition using upper safe and reliable, the blade replaced in cutter head is also more convenient, quick.

Description

A kind of cutter head of Foldable carving knife

Technical field

The utility model relates to cutting-tool engineering field, especially a kind of cutter head of Foldable carving knife.

Background technique

Cutter is a kind of people's commonly hand cutting tool, for cutting paper, laminar object etc..The structure of cutter Type is generally divided into not folding and two major classes that are can folding, the relatively not folding art designing of the cutter that can be folded Knife, it is small in size, safe to carry convenient to have the characteristics that.A kind of existing common Foldable carving knife includes: knife handle, cutter head, described Knife handle is equipped with pivot and the accommodation groove for cutter head merging；The tail portion of the cutter head is equipped with the pivot pivot set on axis hole and knife handle Turn connection, is additionally provided with rotary locking mechanism in the pivot section of cutter head and knife handle, it can opening and closing state to cutter head It is locked；Dismountable blade and locking mechanism are provided in the cutter head, blade is fixed using locking mechanism.This folding The great advantage of knife is: can easily and quickly replace the blade in cutter head.But existing Foldable carving knife its cutter head group Part structure is all more complicated, assembles more troublesome.

Utility model content

Technical problem to be solved in the utility model be in view of the deficiencies of the prior art, and provide a kind of structure it is simple, The cutter head of Foldable carving knife easy to assembly is connect the Foldable carving knife of composition with knife handle using the cutter head of the cutter, had Using more safe and reliable.

Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of cutter head of Foldable carving knife, packet Knife rest, blade are included, the knife rest is formed by connecting by upper cover and the mutual pairing of pedestal, is equipped with and Foldable carving knife in the tail end of knife rest Knife handle connection interconnecting piece；Between the upper cover of the knife rest and the joint face of pedestal be equipped with blade cavity, knife rest upper cover with The joint face front end of pedestal is equipped with the knife-edge being connected to blade cavity；In the blade, rear portion be located in blade cavity, blade Head is stretched out outside knife-edge, and blade and blade cavity and knife-edge are slidably connected, it is characterised in that:

The upper cover of the knife rest corresponds to two blade locked groove positions among the blade top in blade cavity and is equipped with cage knob hole, A tool changing cage knob is provided in cage knob hole, the downside lower part of the tool changing cage knob is equipped with open recess, in the following table of open recess Face center two sides are equipped with two luer locks；The pedestal of knife rest surface corresponding with tool changing cage knob bottom surface is equipped with first Spring film trap is provided with the first spring leaf of arch, the top surface of the first spring leaf and the bottom table of tool changing cage knob in the first spring film trap Surface elastic is abutted against；Two blade locked groove positions among the blade top are located in the open recess of tool changing cage knob, the tool changing By the effect of the first spring leaf elastic force, two luer locks that the open recess lower surface of tool changing cage knob is set are placed on blade cage knob It locks and is cooperatively connected with blade in two blade locked grooves among portion, by blade locking positioning in the blade cavity of knife rest, press tool changing Cage knob can be such that the disengaging of two luer locks connect with the locking of the two blade locked grooves on blade top.

Further, the pedestal of the knife rest corresponds to the blade middle and lower part position in the blade cavity of knife rest and is equipped with the Two spring film traps are provided with arch second spring piece, the top surface of second spring piece and blade lower surface bullet in second spring film trap Property be abutted against, make blade be close to the upper cover bottom surface in blade cavity connection.

Further, the upper top in knife-edge that the joint face front end of the pedestal of the upper cover and knife rest of the knife rest is set Setting is fixed with reinforced sheet on step.

Compared with the prior art, the advantages of the utility model are: the improved design of cutter head, structure is optimized, used Part is reduced, and it is convenient to be coupled with knife handle, is improved assembly efficiency when production, meanwhile, it is coupled using this cutter head and knife handle For the Foldable carving knife of composition using upper also more safe and reliable, the blade replaced in cutter head is also more convenient, quick.

Detailed description of the invention

Fig. 1 is the perspective view of the utility model；

Fig. 2 is the decomposition texture schematic diagram of the utility model；

Fig. 3 is the blade and tool changing cage knob clamped condition schematic diagram of the cutter head of the utility model；

Fig. 4 is the opening state schematic diagram that the cutter head of the utility model connect composition Foldable carving knife with knife handle；

Fig. 5 is the closed state schematic diagram that the cutter head of the utility model connect composition Foldable carving knife with knife handle.

In figure: 1, knife rest, 11, interconnecting piece, 12, blade cavity, 13, knife-edge, 14, upper top step, 2, blade, 21, knife Piece locked groove, 3, upper cover, 31, cage knob hole, 4, pedestal, the 41, first spring film trap, 42, second spring film trap, 5, tool changing cage knob, 51, Open recess, 52, luer lock, the 6, first spring leaf, 7, second spring piece, 8, reinforced sheet, 9, countersunk head screw.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.

As shown in Figure 1 to 4, a kind of cutter head of Foldable carving knife, including knife rest 1, blade 2, the knife rest 1 is by upper cover 3 It is formed by connecting with the mutual pairing of pedestal 4, and opposite position on the heavy through-hole and pedestal that upper lid is equipped with is passed through by countersunk head screw 9 The screw hole being equipped with is spirally connected fastening, is equipped with the interconnecting piece 11 connecting with the knife handle of Foldable carving knife in the tail end of knife rest 1；The knife rest It is equipped with blade cavity 12 between 1 upper cover 3 and the joint face of pedestal 4, is equipped in the upper cover 3 of knife rest 1 and the joint face front end of pedestal 4 The knife-edge 13 being connected to blade cavity 12；In the blade 2, rear portion be located in blade cavity 12, blade is stretched out on the head of blade Outside mouth 13, blade 2 and blade cavity 12 and knife-edge 13 are slidably connected, it is characterised in that:

Two blade locked grooves, 21 position is equipped among the blade top that the upper cover 3 of the knife rest 1 corresponds in blade cavity 12 Cage knob hole 31, a tool changing cage knob 5 is provided in cage knob hole 31, and the downside lower part of the tool changing cage knob 5 is equipped with open recess 51, In The lower surface center two sides of open recess 51 are equipped with two luer locks 52；The pedestal 4 and 5 bottom surface of tool changing cage knob of the knife rest 1 Corresponding surface is equipped with the first spring film trap 41, is provided with the first spring leaf of arch 6, the first bullet in the first spring film trap 41 The top surface of reed 6 and the bottom surface elasticity of tool changing cage knob 5 are abutted against；Two blade locked grooves, 21 position position among 2 top of blade In the open recess 51 of tool changing cage knob 5, the tool changing cage knob 5 by the effect of 6 elastic force of the first spring leaf, open by tool changing cage knob 5 Two luer locks 52 that 51 lower surface of port recess is set, which are placed into lock in two blade locked grooves 21 with blade among 2 top of blade, to be cooperated Connection, by blade locking positioning in the blade cavity 12 of knife rest 1.It when in use, can be with if to replace the blade in blade cavity Tool changing cage knob is pressed, two luer locks set in tool changing cage knob can be detached to be connected with the locking of two blade locked grooves among blade top It connects, at this point, being taken out from the knife-edge of knife rest with the blade that hand will can be replaced easily, by new blade insertion knife rest In knife-edge in place, tool changing cage knob is decontroled, two luer locks on tool changing cage knob are placed in knife in two blade locked grooves of new blade Mortice lock tightening is located in the blade cavity of knife rest.

The pedestal 4 of the knife rest 1 corresponds to the blade middle and lower part position in the blade cavity 12 of knife rest 1 equipped with second spring Film trap 42 is provided with arch second spring piece 7, the top surface of second spring piece 7 and blade lower surface bullet in second spring film trap 42 Property be abutted against, make blade 2 be close to 3 bottom surface of upper cover in blade cavity 12 connection, thus make blade and blade cavity holding it is more steady Gu it is cooperatively connected, it can be to avoid the blade due to caused by the fit clearance of blade and blade cavity shakes in use with knife is reduced.

The upper top step in knife-edge 13 that the joint face front end of the pedestal 4 of the upper cover 3 and knife rest 1 of the knife rest 1 is set Setting is fixed with reinforced sheet 8 on 14, and effect is the wear resistance for enhancing upper top in knife-edge, prevents blade from using abrasion for a long time The tool holder casing of bad cutter head.

The cutter head of the Foldable carving knife of the utility model can match from the knife handle of the Foldable carving knife of different styles to be pivoted Connection is combined into Foldable carving knife, is the cutter head and a Foldable carving knife of this Foldable carving knife as shown in Fig. 4~Fig. 5 Knife handle mating forms the schematic diagram of the opening and closing state of Foldable carving knife, and 1 ' is knife handle in figure, and 2 ' are the utility model Cutter head.

Above-described the embodiments of the present invention does not constitute the restriction to scope of protection of the utility model, appoints It is practical new to should be included in this for modifications, equivalent substitutions and improvements etc. made by where within the spiritual principles of the utility model Within the claims of type.

Claims (3)

1. a kind of cutter head of Foldable carving knife, including knife rest (1), blade (2), the knife rest (1) is by upper cover (3) and pedestal (4) Mutual pairing is formed by connecting, and is equipped with the interconnecting piece (11) connecting with the knife handle of Foldable carving knife in the tail end of knife rest (1)；The knife Blade cavity (12) are equipped between the upper cover (3) of frame (1) and the joint face of pedestal (4), upper cover (3) and pedestal (4) in knife rest (1) Joint face front end be equipped with the knife-edge (13) that is connected to blade cavity (12)；In the blade (2), rear portion be located at blade cavity (12) in, knife-edge (13) are stretched out outside in the head of blade, blade (2) and blade cavity (12) and knife-edge (13) company of being slidably matched It connects, it is characterised in that:

The upper cover (3) of the knife rest (1) corresponds to two blade locked groove (21) positions among the blade top in blade cavity (12) Equipped with cage knob hole (31), a tool changing cage knob (5) is set, the downside lower part of the tool changing cage knob (5), which is equipped with, opens in cage knob hole (31) Port recess (51) is equipped with two luer locks (52) in the lower surface center two sides of open recess (51)；The pedestal of the knife rest (1) (4) surface corresponding with tool changing cage knob (5) bottom surface is equipped with the first spring film trap (41), sets in the first spring film trap (41) It is equipped with the first spring leaf of arch (6), the top surface of the first spring leaf (6) and the bottom surface elasticity of tool changing cage knob (5) are abutted against；The knife Two blade locked groove (21) positions among piece (2) top are located in the open recess (51) of tool changing cage knob (5), the tool changing cage knob (5) two luer locks set by the effect of the first spring leaf (6) elastic force, open recess (51) lower surface of tool changing cage knob (5) (52) be placed into lock in two blade locked grooves (21) with blade among blade (2) top and be cooperatively connected, by blade locking positioning in In the blade cavity (12) of knife rest (1), pressing tool changing cage knob (5) can make two luer locks (52) to be detached from two knives with blade top The locking of piece locked groove (21) connects.

2. a kind of cutter head of Foldable carving knife according to claim 1, it is characterised in that: the pedestal of the knife rest (1) (4) the blade middle and lower part position in the blade cavity (12) of knife rest (1) is corresponded to equipped with second spring film trap (42), second spring Arch second spring piece (7) is provided in film trap (42), top surface and the blade following table surface elastic of second spring piece (7) are abutted against, make Blade (2) is close to connection with upper cover (3) bottom surface in blade cavity (12).

3. a kind of cutter head of Foldable carving knife according to claim 1, it is characterised in that: the upper cover of the knife rest (1) (3) it is arranged on the upper top step (14) in the knife-edge (13) set with the joint face front end of the pedestal (4) of knife rest (1) and is fixed with Reinforced sheet (8).