CN102909729A

CN102909729A - Art knife

Info

Publication number: CN102909729A
Application number: CN2012104527698A
Authority: CN
Inventors: 杜兵峰
Original assignee: Shunde Industry Jiangsu Co Ltd
Current assignee: Shunde Industry Jiangsu Co Ltd
Priority date: 2012-11-13
Filing date: 2012-11-13
Publication date: 2013-02-06

Abstract

The invention relates to an art knife which comprises an art knife housing, a knife handle and an adjuster, wherein the knife handle is arranged in the housing; the adjuster is movably arranged in the knife handle; a knife groove is formed in the knife handle; a blade is movably arranged in the knife groove; a plurality of locking grooves are formed in the bottom of the knife groove; a lower adjusting block is arranged in the adjuster; a projection is arranged at the front end of the lower adjusting block; a locking block groove is formed in the lower adjusting block; a T-shaped locking block is movably arranged in the locking block groove; the lower end of the locking block is matched with the locking grooves; a movable upper adjusting block is arranged above the lower adjusting block; pushing grooves are respectively formed in two sides of the upper adjusting block; the bottoms of openings of the pushing grooves are planes matched with the locking block; inner walls on two sides of the openings of the pushing grooves are inclined planes; a spring sheet is arranged between the upper adjusting block and the lower adjusting block; tail ends of two arms of the spring sheet are propped against the inner wall of the upper adjusting block; the bottom of the spring sheet is locked and matched with the top of the locking block; and a reset device is arranged in the upper adjusting block. The art knife is applied to cutting places needing stronger locking force.

Description

A kind of cutter

Technical field

The present invention relates to the cutter technical field, refer to especially a kind of cutter.

Background technology

At present, more common cutter structure as shown in Figure 6 on the market, comprise cutter shell 1, be provided with handle of a knife 2 in the shell 1, be provided with cutter groove 3 in the handle of a knife 2, blade 4 is movably arranged in the cutter groove 3, and handle of a knife 2 tops are provided with movable adjuster 5, and handle of a knife 2 one sides are provided with the lock slots 6 that cooperates with adjuster 5; Adjuster 5 structures as shown in Figure 7, adjuster 5 mainly comprises adjusted piece 7, lower regulating block 8 and back-moving spring 9, be provided with clamping block 10 and the clamping block spring 11 that matches with lock slots 6 on the handle of a knife 2 at lower regulating block 8, be provided with two inclined-planes in adjusted piece 7 and clamping block 10 corresponding positions, two inclined-planes are inconsistent with clamping block 10 respectively.

During locking, when adjusted piece 7 and lower regulating block 8 were failure to actuate, clamping block 10 was stuck in the lock slots 6 under the elastic force of clamping block spring 11, realized locking.

When feed or withdrawing, finger presses adjusted piece 7 advances adjusted piece 7 or retreats the slope driving clamping block 10 on the adjusted piece 7, make clamping block 10 overcome spring force, regulating block 8 directions move downwards, thereby break away from handle of a knife 2, so that lower regulating block 8 moves forward or retreats, when entering into next lock slots 6, clamping block 10 sticks in the next lock slots 6 under the elastic force effect of clamping block spring 11, and lower regulating block 8 also resets under the effect of back-moving spring 9.

But this cutter is in the situation that large cutting force, and latching force is subjected to the impact of the lock slots degree of depth, if lock slots is dark not, then is easier to occur clamping block and breaks away from, and then blade is skidded off without early warning, easily cause danger; And promoting clamping block with spring is locked in the lock slots, because the maximum compressibility of spring is 30 percent of drift, so that tooth is done is darker, the clamping block stroke is longer, spring will be longer, and the width of lower regulating block usually is subject to the restriction of structure and size, and lock slots is arranged on the outside and easily produces aging distortion, in addition, this cutter structure is complicated, number of spare parts is more, and manufacturing cost is higher, and affects good looking appearance.

Summary of the invention

Technical problem to be solved by this invention is: provide a kind of latching force cutter stronger and aesthetic in appearance.

For addressing the above problem, the technical solution used in the present invention is: a kind of cutter, comprise the cutter shell, be arranged on the handle of a knife in the shell and be movably arranged on adjuster in the handle of a knife, be provided with the cutter groove in the handle of a knife, blade is movably arranged in the cutter groove, blade rear end is provided with the blade fixing hole, and described cutter trench bottom is provided with several lock slots, and lock slots is blind bore type structure; Be provided with lower regulating block in the described adjuster, lower regulating block front end is provided with the protuberance that matches with the blade fixing hole, be provided with the clamping block groove in the lower regulating block, be movably set with the clamping block of T font in the clamping block groove, match with lock slots in the lower end of clamping block, lower regulating block top is provided with movable adjusted piece, adjusted piece both sides are respectively arranged with one and promote groove, promote the groove notch wide outside and narrow inside, the plane of notch bottom for matching with clamping block, notch both sides inwall is the inclined-plane, be provided with shell fragment between adjusted piece and the lower regulating block, shell fragment two arms are terminal inconsistent with adjusted piece inwall, and shell fragment bottom and clamping block top phase lock fit also are provided with resetting means in the adjusted piece.

Described shell fragment bottom is provided with square groove, and the groove inwall matches with clamping block upper end outer wall.

Described resetting means comprises two jig arm and the reset bar that is arranged on the adjusted piece, and reset bar is made by elastomeric material, and the reset bar two ends are fixed on the inwall of lower regulating block both sides, and two jig arm are separately positioned on the reset bar both sides, and inconsistent with reset bar.

The invention has the beneficial effects as follows: above-mentioned cutter is arranged on the cutter trench bottom with locking teeth, guaranteed the aesthetic property of cutter profile, during locking, clamping block firmly inserts difficult drop-off in the lock slots, also lock also unaffected when cutting energetically, latching force is large and structure is more stable, and it is simple in structure, and required part is few, reduced the cost of making, and be not subjected to the restriction of size, the scope of application is wider, and profile is also more attractive in appearance.

Description of drawings

Fig. 1 is the cutter structural representation.

Fig. 2 is the adjuster profile in the cutter.

Fig. 3 is that the A-A of Fig. 2 is to view.

Fig. 4 is the perspective view of adjusted piece and clamping block.

Fig. 5 is the Knife handle structure schematic diagram in the cutter.

Fig. 6 is common cutter structural representation.

Fig. 7 is the controller structure schematic diagram in the common cutter.

1 to Fig. 5 among the figure: 1, shell, 2, handle of a knife, 3, adjuster, 4, cutter groove, 5, blade, 6, the blade fixing hole, 7, lock slots, 8, lower regulating block, 9, protuberance, 10, clamping block groove, 11, clamping block, 12, the adjusted piece, 13, promote groove, 14, shell fragment, 15, resetting means, 16, groove, 17, jig arm, 18, reset bar.

Among Fig. 6 and Fig. 7: 1, shell, 2, handle of a knife, 3, the cutter groove, 4, blade, 5, adjuster, 6, lock slots, 7, the adjusted piece, 8, lower regulating block, 9, back-moving spring, 10, clamping block, 11, the clamping block spring.

The specific embodiment

Below by specific embodiment a kind of cutter of the present invention is described in further detail.

Extremely shown in Figure 5 such as Fig. 1, a kind of cutter, comprise cutter shell 1, be arranged on the handle of a knife 2 in the shell 1 and be movably arranged on adjuster 3 in the handle of a knife 2, be provided with cutter groove 4 in the handle of a knife 2, blade 5 is movably arranged in the cutter groove 4, blade 5 rear ends are provided with blade fixing hole 6, and described cutter groove 4 bottoms are provided with several lock slots 7, and lock slots 7 is blind bore type structure; Be provided with lower regulating block 8 in the described adjuster 3, lower regulating block 8 front ends are provided with the protuberance 9 that matches with blade fixing hole 6, be provided with clamping block groove 10 in the lower regulating block 8, be movably set with the clamping block 11 of T font in the clamping block groove 10, match with lock slots 7 in the lower end of clamping block 11, lower regulating block 8 tops are provided with movable adjusted piece 12, adjusted piece 12 both sides are respectively arranged with one and promote groove 13, promote groove 13 notches wide outside and narrow inside, the plane of notch bottom for matching with clamping block 11, notch both sides inwall is the inclined-plane, be provided with shell fragment 14 between adjusted piece 12 and the lower regulating

block

8,14 liang of arms of shell fragment are terminal inconsistent with adjusted piece 12 inwalls, and shell fragment 14 bottoms and clamping block 11 top phase lock fit also are provided with resetting means 15 in the adjusted piece 12.

Described shell fragment 14 bottoms are provided with square groove 16, and groove 16 inwalls match with clamping block 11 upper end outer walls.

Described resetting means 15 comprises two jig arm 17 and the reset bar 18 that is arranged on the adjusted piece 12, reset bar 18 is made by elastomeric material, reset bar 18 two ends are fixed on the lower regulating block 8 both sides inwalls, and two jig arm 17 are separately positioned on reset bar 18 both sides, and inconsistent with reset bar 18.

During the cutter locking, adjusted piece 12 and lower regulating block 8 all are failure to actuate, and clamping block 11 is stuck in the lock slots 7 under shell fragment 14 motive forces, realize locking; When cutter feed or withdrawing, finger presses adjusted piece 12, adjusted piece 12 is advanced or retreat, promotion groove 13 slope driving clamping blocks 11 on the adjusted piece 12, clamping block 11 is overcome in the downward regulating block 8 of shell fragment 14 elastic force mobile, thereby go out of lock groove 7, lower regulating block 8 is advanced or retreat, descend simultaneously jig arm 17 on the regulating block 8 to advance or retreat, make reset bar 18 produce deformation, when entering into next lock slots 7, clamping block 11 is under the effect of shell fragment 14 motive forces, snap in the lock slots 7, the propulsive thrust of reset bar 18 resets thereby drive adjusted piece 12 so that jig arm 17 retreats or advances.

During above-mentioned cutter locking, clamping block 11 firmly inserts lock slots 7 interior difficult drop-offs, also lock also unaffected when cutting energetically, latching force is large and structure is more stable, and it is simple in structure, and required part is few, reduced the cost of making, and be not subjected to the restriction of size, the scope of application is wider, and profile is also more attractive in appearance.

The above embodiments are principle and the effect thereof of illustrative the invention only, and the embodiment of part utilization, but not is used for restriction the present invention; Should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the invention design, can also make some distortion and improvement, these all belong to protection scope of the present invention.

Claims

1. cutter, comprise the cutter shell, be arranged on the handle of a knife in the shell and be movably arranged on adjuster in the handle of a knife, be provided with the cutter groove in the handle of a knife, blade is movably arranged in the cutter groove, blade rear end is provided with the blade fixing hole, it is characterized in that: described cutter trench bottom is provided with several lock slots, and lock slots is blind bore type structure; Be provided with lower regulating block in the described adjuster, lower regulating block front end is provided with the protuberance that matches with the blade fixing hole, be provided with the clamping block groove in the lower regulating block, be movably set with the clamping block of T font in the clamping block groove, match with lock slots in the lower end of clamping block, lower regulating block top is provided with movable adjusted piece, adjusted piece both sides are respectively arranged with one and promote groove, promote the groove notch wide outside and narrow inside, the plane of notch bottom for matching with clamping block, notch both sides inwall is the inclined-plane, be provided with shell fragment between adjusted piece and the lower regulating block, shell fragment two arms are terminal inconsistent with adjusted piece inwall, and shell fragment bottom and clamping block top phase lock fit also are provided with resetting means in the adjusted piece.

2. a kind of cutter according to claim 1 is characterized in that: described shell fragment bottom is provided with square groove, and outer wall matches on groove inwall and the clamping block.

3. a kind of cutter according to claim 1 and 2, it is characterized in that: described resetting means comprises two jig arm and the reset bar that is arranged on the adjusted piece, reset bar is made by elastomeric material, the reset bar two ends are fixed on the inwall of lower regulating block both sides, two jig arm are separately positioned on the reset bar both sides, and inconsistent with reset bar.