CN215660358U

CN215660358U - Adjustable multistage grading super safety knife

Info

Publication number: CN215660358U
Application number: CN202120743860.XU
Authority: CN
Inventors: 潘明祥; 姚琦; 杜建福
Original assignee: Ningbo Xingwei Tool Technology Co ltd
Current assignee: Ningbo Xingwei Tool Technology Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2022-01-28
Anticipated expiration: 2031-04-13

Abstract

The utility model provides a hierarchical super safe sword of adjustable multistage relates to art designer sword technical field. This hierarchical super safety sword of adjustable multistage, including back sword shell and preceding sword shell, the fixed blade holder that is provided with between back sword shell and the preceding sword shell front end, the fixed blade holder extension spring that is provided with between blade holder and the preceding sword shell, the fixed tool changing shell fragment that is provided with of blade holder lateral wall, the fixed blade holder shell fragment that is provided with between tool changing shell fragment and the blade holder, the fixed blade that is provided with on the blade holder, the fixed blade groove that is provided with in back sword shell and preceding sword shell middle part, the rotation of blade inslot portion is provided with the regulating wheel. The utility model provides a hierarchical super safe sword of adjustable multistage can realize the automatic withdrawal behind the blade cutting, plays the safety action to through the hierarchical method of runner, carry out the multistage with the extension length of blade and grade, thereby realize the regulation of different cutting edge length, blade extension length adjusts simply, when not using, can lock safely, possesses reliable security.

Description

Adjustable multistage grading super safety knife

Technical Field

The utility model relates to an art designing sword technical field specifically is hierarchical super safe sword of adjustable multistage.

Background

The utility model discloses a knife, including the knife handle, blade, knife edge, knife body, knife edge, knife blade, knife rest, knife blade, knife edge, convenient to use, the utility knife also commonly known as burin or wall paper sword is a sword that fine arts and crafts used, mainly is used for cutting the softer thing of texture, mostly is to mould handle of a knife and blade two parts constitution, for pull formula structure, also has a small number for the metal handle of a knife, and the blade is mostly the bevel connection, can be in the same direction as the marking off rupture of blade with the blunt, appears new blade edge, facilitates the use, and the utility knife has big or small multiple model.

When the utility knife is normally used, only the knife tip part is usually used for cutting, carving and dotting, but the knife body of the utility knife is very fragile and cannot extend out of the knife body with overlong length, and in addition, the hardness and the durability of the knife body are different due to different textures of the knife body.

Traditional art designing sword structure is simpler, and the blade is also more fragile to the security performance is lower, causes the fish tail easily when using, lacks effectual safe locking structure, and the blade also can stretch out when not using, causes the injury to the people, uses more inconveniently.

Disclosure of Invention

Practical contents

Technical problem to be solved

The utility model provides a hierarchical super safe sword of adjustable multistage to the not enough of prior art, has solved traditional art designer sword simple structure, and the blade is more fragile, can not stretch out the blade of overlength during the use to lack effectual safe locking structure, the lower problem of security performance.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: an adjustable multistage grading super-safety knife comprises a rear knife shell and a front knife shell, wherein a knife holder is fixedly arranged between the front ends of the rear knife shell and the front knife shell, a knife holder tension spring is fixedly arranged between the knife holder and the front knife shell, a knife changing elastic sheet is fixedly arranged on the side wall of the knife holder, a knife holder elastic sheet is fixedly arranged between the knife changing elastic sheet and the knife holder, a blade is fixedly arranged on the knife holder, a knife body groove is fixedly arranged in the middle of the rear knife shell and the front knife shell, an adjusting wheel is rotatably arranged in the knife body groove, a gear ring is fixedly sleeved at the front end of the adjusting wheel, the adjusting wheel is buckled in the knife body groove through a positioning buckle, a transmission rod is arranged in the adjusting wheel in a penetrating manner, the front end of the transmission rod is fixedly buckled with the knife holder through a pin, a push torsion bar is slidably arranged at the tops of the rear knife shell and the front knife shell, a tension spring is fixedly arranged between the lower end of the push torsion bar and the rear knife shell, the upper end of the push torsion bar is fixedly buckled with a push torsion, and the front end of the push torsion bar is rotatably provided with a tool changing switch by the rear tool case and the front tool case.

Preferably, the lower ends of the rear cutter shell and the front cutter shell are fixedly provided with bottom covers.

Preferably, the rear knife shell and the rear end of the top of the front knife shell are fixedly provided with upper covers.

Preferably, a tool holder magnet is fixedly arranged in the tool holder.

Preferably, the rear knife shell and the rear end of the front knife shell are fixedly connected through a tail screw.

Preferably, the front end of the adjusting wheel is fixedly provided with a locking point, the rear end of the adjusting wheel is fixedly provided with an elastic locking point, the gear ring is sleeved with the adjusting wheel through the fixing point and is locked through the locking point, and the positioning lock is sleeved with the adjusting wheel through the matching connection of the positioning groove and the elastic locking point.

Preferably, the rear end of the adjusting wheel is fixedly provided with A, B, C, D four buckling points, and the four buckling points A, B, C, D are buckled with the tail end of the transmission rod in a grading manner.

Preferably, a tension spring sleeve is fixedly arranged at the joint of the slide plate tension spring and the cutter seat tension spring and the rear cutter shell and the front cutter shell.

Preferably, the upper end of the blade is fixedly provided with two clamping grooves, and the end part of the upper end of the tool changing elastic sheet is clamped with the clamping grooves.

The working principle is as follows: when the adjustable multistage grading super-safety knife is used, the adjusting wheel is adjusted to the 0 th gear firstly, the knife holder is locked safely at the moment, the transmission rod is buckled with the knife holder under the action of the pin penetrating through the hook, so that the transmission rod is buckled at the A position on the adjusting wheel, the knife holder can not move forwards any more, the adjusting wheel is rotated to the 1 st gear, the knife edge extends out 9mm at the moment, the transmission rod is buckled with the adjusting wheel at the B position, so that the knife holder is prevented from moving forwards continuously, when the knife blade is used, the knife tip lifts the knife blade and the knife holder upwards under the reaction force, the knife holder tilts the rear part downwards under the action of the supporting point until the breaking point on the knife holder is separated from the push button rod, and rebounds to the original position under the tension of the tension spring after the push button rod and the push button are loosened by hands, the spring rebounds to the original position, the automatic retraction of the knife blade after cutting is realized, and the safety function is played, when the blade is used, the blade retracts automatically after being cut to play a safety role, the blade is rotated to the 3 th gear, the blade switch is pressed downwards to the tool changing gear, the adjusting wheel is adjusted to the 3 rd gear, the tool changing switch cannot block the push button rod and the push button, the push button rod, the push button and the tool apron can move forwards continuously, the tool apron pulls the driving rod, the driving rod is buckled with the adjusting wheel at the D position, thereby prevent the blade holder to continue the antedisplacement, meanwhile, the tool changing shell fragment is rotatory under the effect on blade body inclined plane, makes the tool changing shell fragment break away from the draw-in groove on the blade, can't hang and detain the blade, and the blade just can be extracted and renew the blade, and when releasing hands the back, the blade holder kick-backs to the normal position under blade holder extension spring pulling force, and the original shape and the primary importance are resumeed to the tool changing shell fragment under the effect of resilience force simultaneously to pin new blade, realize the change of blade.

(III) advantageous effects

The utility model provides an adjustable multistage hierarchical super safe sword. The method has the following beneficial effects:

1. the utility model provides a hierarchical super safe sword of adjustable multistage, through setting up the blade holder, push away the torsion bar, the blade holder extension spring, push away to turn round, slide extension spring isotructure, when the blade uses, the knife tip receives reaction force to upwards lift blade and blade holder, the blade holder utilizes the effect of strong point to stick up the rear portion part down, break away from the push button pole until with the break away from point on the blade holder, and under extension spring pulling force, kick-back to the normal position, push button pole and push button loosen behind the hand, under the effect of spring, also kick-back to the normal position, realize the automatic withdrawal behind the blade cutting, play the safety action.

2. The utility model provides a hierarchical super safety sword of adjustable multistage through the hierarchical method of runner, carries out the multistage with the extension length of blade and grades to required different cutting edge length on the object of realization different depth of cut, blade extension length adjusts simply convenient to use.

3. The utility model provides a hierarchical super safe sword of adjustable multistage, when not using, through the regulating wheel with the blade withdrawal to with blade holder safety locking, the transfer line runs through couple effect down with the blade holder even knot together at the pin, thereby withholds "A" department of transfer line on the regulating wheel, makes the blade holder can not move forward again, makes the blade possess reliable security.

Drawings

FIG. 1 is an isometric view of a structure of the present invention;

FIG. 2 is a front view of the present application;

FIG. 3 is a rear view of the present application;

FIG. 4 is a top view of the present invention;

FIG. 5 is an exploded view of the structure of the present invention;

FIG. 6 is an isometric view of the interior of the present application;

FIG. 7 is a front cross-sectional view of the present invention;

FIG. 8 is a schematic view of the adjusting wheel mounting structure of the present invention;

FIG. 9 is a schematic view of the 0-position state of the present invention;

fig. 10 is a schematic view of the 1 st gear state of the present invention;

FIG. 11 is a schematic view of the blade attachment of the present invention;

fig. 12 is a schematic view of the 2-gear state of the present invention;

fig. 13 is a schematic diagram of the 3-gear state of the present invention;

FIG. 14 is a rear, inner end isometric view of the present application;

fig. 15 is a schematic view of a tool changing structure according to the present invention.

Wherein, 1, a rear knife shell; 2. changing a spring plate; 3. a tool apron elastic sheet; 4. a tool apron; 5. the tool holder is magnetic; 6. A blade; 601. a card slot; 7. a bottom cover; 8. a front blade shell; 9. a tension spring sleeve; 10. pushing the torsion bar; 11. a gear ring; 1101. a fixed point; 12. a slide plate tension spring; 13. an adjustment wheel; 1301. a locking point; 1302. elastic buckling points; 14. positioning buckles; 1401. positioning a groove; 15. a pin; 16. a transmission rod; 17. a tool changing switch; 18. pushing and twisting; 19. a tool apron tension spring; 20. an upper cover; 21. a tail screw; 22. a knife body groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by persons skilled in the art based on the embodiments in the present application without any creative work belong to the protection scope of the present application.

Example (b):

as shown in fig. 1-15, the present embodiment of the invention provides an adjustable multistage grading super safety knife, which comprises a rear knife shell 1 and a front knife shell 8, a knife holder 4 is fixedly disposed between the front ends of the rear knife shell 1 and the front knife shell 8, a knife holder tension spring 19 is fixedly disposed between the knife holder 4 and the front knife shell 8, a knife changing elastic sheet 2 is fixedly disposed on the side wall of the knife holder 4, a knife holder elastic sheet 3 is fixedly disposed between the knife changing elastic sheet 2 and the knife holder 4, a knife blade 6 is fixedly disposed on the knife holder 4, a knife body groove 22 is fixedly disposed in the middle of the rear knife shell 1 and the front knife shell 8, an adjusting wheel 13 is rotatably disposed in the knife body groove 22, a gear ring 11 is fixedly secured to the front end of the adjusting wheel 13, the adjusting wheel 13 is fastened in the knife body groove 22 by a positioning fastener 14, so that the adjusting wheel 13 can only rotate and cannot move, a transmission rod 16 is disposed in the adjusting wheel 13, the front end of the transmission rod 16 is fastened to the knife holder 4 by a pin 15, the push-pull type blade changing device is used for pushing a blade holder 4 forward to enable a blade 6 to extend out of an outer blade shell, a push torsion bar 10 is arranged at the tops of a rear blade shell 1 and a front blade shell 8 in a sliding mode, the blade 6 is pushed out of the outer blade shell in an auxiliary mode, a sliding plate tension spring 12 is fixedly arranged between the lower end of the push torsion bar 10 and the rear blade shell 1 and used for rebounding the push torsion bar 10 to the original position, the upper end of the push torsion bar 10 is fixedly buckled with a push torsion bar 18, a tool changing switch 17 is arranged at the front end of the push torsion bar 10 in a rotating mode of the rear blade shell 1 and the front blade shell 8, a tool changing elastic sheet 2 can be separated from the blade 6, and therefore the blade 6 is pulled out to be changed.

The lower ends of the rear knife shell 1 and the front knife shell 8 are fixedly provided with a bottom cover 7 for sealing the bottom of the shell, the rear ends of the top of the rear knife shell 1 and the top of the front knife shell 8 are fixedly provided with an upper cover 20 for sealing the top of the shell, a knife seat magnet 5 is fixedly arranged inside a knife seat 4 for adsorbing the blade 6 and assisting in fixing the blade 6, the rear ends of the rear knife shell 1 and the front knife shell 8 are fixedly connected through a tail screw 21, the front end of the regulating wheel 13 is fixedly provided with a lock catch point 1301, the rear end of the regulating wheel 13 is fixedly provided with an elastic lock catch point 1302, the gear ring 11 is sleeved with the regulating wheel 13 through a fixed point 1101 and is locked through the lock catch point 1301, the positioning buckle 14 is sleeved with the regulating wheel 13 through the matching connection of the positioning groove 1401 and the elastic lock catch point 1302, the rear end of the regulating wheel 13 is fixedly provided with A, B, C, D four lock points, and is in a grading lock joint with the tail end of the transmission rod 16 through A, B, C, D four lock points, thereby the distance that control blade holder 4 moved forward realizes that blade 6 stretches out multistage grading length, and slide extension spring 12 and blade holder extension spring 19 are fixed with the extension spring cover 9 with the junction of back sword shell 1 and preceding sword shell 8 for the junction of protection extension spring and shell, the fixed two draw-in grooves 601 that are provided with in blade 6 upper end, 2 upper end tip of tool changing shell fragment and draw-in groove 601 looks joints, thereby pin blade 6, make the blade fixed firm.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Hierarchical super safe sword of adjustable multistage, including back sword shell (1) and preceding sword shell (8), its characterized in that: a tool apron (4) is fixedly arranged between the front ends of the rear tool shell (1) and the front tool shell (8), a tool apron tension spring (19) is fixedly arranged between the tool apron (4) and the front tool shell (8), a tool changing elastic sheet (2) is fixedly arranged on the side wall of the tool apron (4), a tool apron elastic sheet (3) is fixedly arranged between the tool changing elastic sheet (2) and the tool apron (4), a tool blade (6) is fixedly arranged on the tool apron (4), a tool body groove (22) is fixedly arranged in the middle of the rear tool shell (1) and the front tool shell (8), an adjusting wheel (13) is rotatably arranged in the tool body groove (22), a gear ring (11) is fixedly sleeved at the front end of the adjusting wheel (13), the adjusting wheel (13) is fastened in the tool body groove (22) through a positioning fastener (14), a transmission rod (16) is arranged in the adjusting wheel (13) in a penetrating manner, and the front end of the transmission rod (16) is fixedly fastened with the tool apron (4) through a pin (15), the utility model discloses a push-type broach is characterized in that back sword shell (1) and preceding sword shell (8) top slide and be provided with and push away torsion bar (10), it is fixed between torsion bar (10) lower extreme and back sword shell (1) to push away is provided with slide extension spring (12), it has push away button (18) to push away fixed the lock joint in torsion bar (10) upper end, back sword shell (1) and preceding sword shell (8) are being pushed away torsion bar (10) front end and are rotated and be provided with tool change switch (17).

2. The adjustable multi-segment staged super safety knife according to claim 1, wherein: the lower ends of the rear cutter shell (1) and the front cutter shell (8) are fixedly provided with bottom covers (7).

3. The adjustable multi-segment staged super safety knife according to claim 1, wherein: and the rear ends of the top parts of the rear cutter shell (1) and the front cutter shell (8) are fixedly provided with an upper cover (20).

4. The adjustable multi-segment staged super safety knife according to claim 1, wherein: a cutter seat magnet (5) is fixedly arranged in the cutter seat (4).

5. The adjustable multi-segment staged super safety knife according to claim 1, wherein: the rear knife shell (1) is fixedly connected with the rear end of the front knife shell (8) through a tail screw (21).

6. The adjustable multi-segment staged super safety knife according to claim 1, wherein: the front end of the adjusting wheel (13) is fixedly provided with a locking point (1301), the rear end of the adjusting wheel (13) is fixedly provided with an elastic locking point (1302), the gear ring (11) is sleeved with the adjusting wheel (13) through a fixing point (1101) and locked through the locking point (1301), and the positioning buckle (14) is sleeved with the adjusting wheel (13) through the matching connection of the positioning groove (1401) and the elastic locking point (1302).

7. The adjustable multi-segment staged super safety knife according to claim 1, wherein: the rear end of the adjusting wheel (13) is fixedly provided with A, B, C, D four buckling points, and the four buckling points A, B, C, D are buckled with the tail end of the transmission rod (16) in a grading manner.

8. The adjustable multi-segment staged super safety knife according to claim 1, wherein: and a tension spring sleeve (9) is fixedly arranged at the joint of the sliding plate tension spring (12) and the tool apron tension spring (19) and the rear tool case (1) and the front tool case (8).

9. The adjustable multi-segment staged super safety knife according to claim 1, wherein: two clamping grooves (601) are fixedly arranged at the upper end of the blade (6), and the end part of the upper end of the blade changing elastic sheet (2) is clamped with the clamping grooves (601).