CN2841277Y

CN2841277Y - Cycloidal cutter

Info

Publication number: CN2841277Y
Application number: CN 200520113430
Authority: CN
Inventors: 林彩莲
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-07-11
Filing date: 2005-07-11
Publication date: 2006-11-29
Anticipated expiration: 2015-07-11

Abstract

The utility model relates to a cycloidal cutter. The front end of a handle is pivoted with a cycloidal cutter blade by a pivot shaft, and a slide drawing handle is arranged in the handle to control a cutter blade protecting cover. A position on the cutter blade protecting cover, corresponding to the center of the cycloidal cutter blade, is provided with a T-shaped guide hole in an extension mode towards the cutting direction, and the T-shaped guide hole is arranged outside the pivot shaft of the cycloidal cutter blade for match. Therefore, when the cutter blade protecting cover is controlled by the slide drawing handle to retract, the front end of the cycloidal cutter blade is exposed for cutting; whether the users use the right side or the left side of the cutter to cut, the cutter blade protecting cover can be pushed to cooperate with the pivot shaft to deviate by the surface of an object to be cut by utilizing the T-shaped guide hole, and the operating cutting angle can be enlarged by the deviating angle of the cutter blade protecting cover in the opposite cutting direction; the conversion of the cutting angle in the left and the right directions is convenient, which conforms to the ergonomics, so the utility model has the effects of automatic cutting angle increase, high safety, convenient operation and ergonomic coincidence.

Description

Circle rolling cut cutter

Technical field

The utility model is about a kind of cutting lamellar body (as: plastic tab, leather sheet, wooden, the scraps of paper, cardboard ... Deng) special-purpose cutting tool, be meant cutting appliance especially with round roll blade, by the design of the blade protecting cover of uniqueness, producing increases cutting angle, easy to operate, the effect that meets ergonomics automatically.

Background technology

A kind of round hobboing cutter tool appears now on the market, it is installed the round blade of a slice to be hubbed at and carries out lamellar body (as: plastic tab, leather sheet, wooden, the scraps of paper, cardboard on the hand knife corpora pedunculata ... Deng) craft cut operation (straight cutting), and the protecting cover that uses a round blade moulding of correspondence is vertically prolonging shank of tool axon heart direction cunning to be established, and the utilization protecting cover is prolonging effective cut coverage (the round blade that is subjected to the protecting cover block resistance can't contact lamellar body to be cut) that this round blade could be opened or close to shank of tool axon heart direction expanding-contracting action; Though above-mentioned cutter is quite simple and practical, many operational defectives are arranged but; For example:

One, protecting cover is prolonging effective cut coverage that this round blade could be opened or close to shank of tool axon heart direction expanding-contracting action, but the effective cut coverage of the arc of whole round blade is perpendicular to shank of tool axon heart direction foremost, and the corresponding problem of direction with regard to the effective cutting angle deficiency of frequent generation of holding that meets ergonomics;

They are two years old, because common protecting cover is to prolong shank of tool axon heart direction to carry out expanding-contracting action, therefore, effective cut coverage that this round blade is unlocked is from top, when if the user wants to cut thicker lamellar body to be cut, the user can only be the shank of tool body angle of vertical lamellar body to be cut, so just can obtain the sufficient round blade cuts degree of depth.

Because aforesaid problem can cause user's puzzlement, therefore, a kind of novel round hobboing cutter tool (seeing also shown in Figure 1) has appearred on the market, its handle of a knife 13 front ends are installed and are pivoted with a round blade 10, pivot 101 places at blade protecting cover 11 corresponding round blades 10 offer an inclination guide hole 111, since the button 12 of operation blade protecting cover 11 must the person of being used thumb, so this inclination guide hole 111 is accustomed to set extending incline direction according to the user, could rearward allow button 12 persons' of being used thumb during oblique ascension at blade protecting cover 11; This kind novel product has obtained very good reaction on market, but still has some problems in the practicality:

One, because this inclination guide hole 111 is accustomed to setting the extension incline direction according to the user, could rearward allow button 12 persons' of being used thumb during oblique ascension at blade protecting cover 11, so it is same as product that left-handed people can't use with dexterous people, only can select operating of two existing products of Fig. 2, Fig. 3;

They are two years old, the blade protecting cover 11 rearward distance of oblique ascension is controlled by button 12, when if blade protecting cover 11 oblique ascensions are not enough, these round blade 10 depths of cut also are affected, the user must cut for the second time, if and the user is during at every turn with blade protecting cover 11 oblique ascension least significant ends, this round blade 10 exposes too much, also allows blade protecting cover 11 edges lose and abuts against the stablizing effect that is cut paper.

Therefore, the present utility model people is through detailed thinking, and accumulate and be engaged in the dealer's system of cutting tool dependent merchandise and the experience of research and development for many years, developed a kind of cutting tool group eventually, make to improve many disappearances that the common round instrument that cuts uses;

According to above-mentioned problem to be solved, the utility model has designed a kind of round rolling cut cutter, and its cutting angle left and right sides conversion is convenient, meet ergonomics, and has the effect of automatic increase cutting angle.

The utility model content

The utility model primary and foremost purpose is to allow the user hold the round rolling cut cutter of mode easily about conversion, the center of the corresponding round blade of blade protecting cover of the present utility model offers a T type guide hole towards the cut direction extension, and this T type guide hole is provided in outside the pivot of round blade; So when this blade protecting cover controlled slip pull handle is shunk back, no matter the user uses right side or left side to cut, this blade protecting cover utilizes T type guide hole can be subjected to thing to be cut surface pushing and pressing and cooperates this pivot to produce skew, reaches the effect that the conversion of the cutting angle left and right sides is convenient, meet ergonomics.

Another purpose of the utility model then provides a kind of round rolling cut cutter that can increase cutting angle automatically, it is to extend towards cut direction in the center of the corresponding round blade of blade protecting cover to offer a T type guide hole, and when this blade protecting cover controlled slip pull handle is shunk back, this blade protecting cover has sufficient skew space, and with this be offset the space allow the blade protecting cover with the running cutting pressure increase side-play amount automatically, other blade protecting cover edge also can be stablized auxiliary sliding being butted on appositely and be cut part, so the utlity model has automatic increase cutting angle, the stable effect that operates of cutting.

For achieving the above object, the technical solution adopted in the utility model is as follows: a kind of round rolling cut cutter, this circle rolling cut cutter includes handle of a knife, a slip pull handle, a pivot group, a round blade, a blade protecting cover, this handle of a knife, its front end offers a skew space, and the corresponding skew of handle of a knife space offers a pivot hole and a rectangular start hole, in handle of a knife to being manufactured with chute in rectangular start hole, the corresponding handle of a knife bearing of trend of this chute bearing of trend, and to should outwards offering a rectangular limiting holes in the runner position place; This slip pull handle is slidingly installed in the chute of this handle of a knife, and it is protruding that this slip pull handle front end convexes with a start, and this start protrudes out in the rectangular start hole that is limited in this handle of a knife, and protrudes out the rectangular limiting holes that is limited in this handle of a knife with a button at the slip pull handle; This pivot group includes a pivot and a nut, and this pivot and nut are worn in the pivot hole that is locked in this handle of a knife; This round blade is arranged on the handle front end, uses a pivot hole to be provided on the pivot of this pivot group; This blade protecting cover, to lamellar body that should round blade shapes, at this blade protecting cover the direction of the pull handle that should slide is convexed with a start handle, this start handle is with the start protruding location of locating slot for this slip pull handle front end, this blade protecting cover extends towards cut direction pivot place that should the pivot group and offers a T type guide hole, this T type guide hole has the positioning area of corresponding round blade center, the left avertence district in corresponding cut direction left side and the right avertence district on corresponding cut direction right side, and this T type guide hole passes for this pivot, and this T type guide hole be provided in this round blade and pivot head end between, the skew space of this handle of a knife then has foot for this blade protecting cover left side, right avertence is moved the space of swing.

Described round rolling cut cutter, this handle of a knife is by first body and the second body be combined into, the second body front end of this handle of a knife offers a skew space, in first body of handle of a knife to should being manufactured with chute in rectangular start hole, and at second body to should outwards offering a rectangular limiting holes in the runner position place.

Described round rolling cut cutter, this handle of a knife are equipped with the sheath of the pivot that is used to coat the pivot group in pivot hole outer rim; This blade protecting cover is provided with the T type guide hole that passes for the sheath that coats this pivot.

Described round rolling cut cutter, this slip pull handle stage casing connects installing one button with spring, and this button protrudes out the rectangular limiting holes that is limited in this handle of a knife.

Described round rolling cut cutter, this pivot group, include a pivot, one first pad, one second pad and a nut, this pivot one end has head end, and be provided with screw thread that should nut in pivot other end system, this pivot and nut are worn in the pivot hole that is locked in this handle of a knife, and this pivot is coated by this sheath, and first pad and second pad to fill up first body that is located at this handle of a knife and second respectively external.

Described round rolling cut cutter, this pivot group, include a pivot, a slide fastener, this pivot one end has head end, and this slide fastener is slidingly installed on the handle of a knife according to design, offers tool in the slide fastener front end and buckles catching groove to elastic force, and be provided with the ring of catching groove that should slide fastener recessed in pivot other end system, the slippage of this slide fastener allows catching groove cooperate and buckles to elastic force dismounting on the ring of pivot is recessed, and the user can use slide fastener to operate the loading and unloading of pivot group fast.

Described round rolling cut cutter, this second pad be one the utilization elastic force compel to pull clamping blade, can prevent the elastic strip body that this nut accident unscrews.

The use the beneficial effects of the utility model are: when blade protecting cover controlled slip pull handle is shunk back, this round blade front end exposes for the cutting use, and no matter the user uses right side or left side to cut, this blade protecting cover utilizes T type guide hole can be subjected to thing to be cut surface pushing and pressing and cooperates this pivot to produce skew, and the running cutting angle is increased with the blade protecting cover deviation angle of this relative cut direction, and its cutting angle left and right sides conversion is convenient, meet ergonomics, so the utlity model has automatic increase cutting angle, security is good, easy to operate, the effect that meets ergonomics.

The above is the correlation position of each associated component of the utility model preferred embodiment and the general introduction of structure thereof.

Description of drawings

Fig. 1 is common assembly disassembly diagram.

Fig. 2 is common assembling left side product figure.

Fig. 3 is common assembling right side product figure.

Fig. 4 is the utility model exploded perspective view.

Fig. 5 is the utility model assembling stereogram.

Fig. 6 is the non-cut state cutaway view of the utility model.

Fig. 7 is the utility model cut state cutaway view.

Fig. 8 is that the non-cut state of the utility model is implemented schematic diagram.

Fig. 9 is that the utility model cut state is implemented schematic diagram.

Figure 10 is another embodiment front view of the utility model.

Figure 11 is another embodiment side view of the utility model.

Figure 12 is another embodiment rear view of the utility model.

The primary clustering symbol description

Round blade 10 pivots 101

Blade protecting cover 11 inclination guide holes 111

Button 12 handle of a knifes 13

Skew space A is cut part B

Handle of a knife 20 first bodies 201

Second body, 202 pivot holes 21

Sheath 211 rectangular start holes 22

Chute 23 rectangular limiting holes 24

Slip pull handle 30 starts protruding 31

Spring 32 buttons 33

Pivot group 40 pivots 41

Head end 411 screw threads 412

First pad, 42 second pads 43

Nut 44

Round blade 50 pivot holes 51

Blade protecting cover 60 start handles 61

Locating slot 611 T type guide holes 62

Positioning area 621 left avertence districts 622

Right avertence district 623 safety catch 624

Slide fastener 70 catching grooves 71

Encircle recessed 72

The specific embodiment

Below by exemplifying preferred embodiment, and cooperate icon to be described in detail as follows, believe the above-mentioned purpose of the utility model, feature and other advantage, when can by one deeply specifically understand; At first please cooperate and consult Fig. 4, Fig. 5, shown in Figure 6, round rolling cut cutter one provided by the utility model includes handle of a knife 20, a slip pull handle 30, a pivot group 40, one round blade 50, a blade protecting cover 60 and combines; Wherein:

This handle of a knife 20, by first body 201 and second body, 202 be combined intos, second body, 202 front ends of this handle of a knife 20 offer a skew space A, and handle of a knife 20 corresponding skew space A offer a pivot hole 21 and a rectangular start hole 22, these pivot hole 21 outer rims can be equipped with sheath 211, in first body 201 of handle of a knife 20 to being manufactured with chute 23 in rectangular start hole 22, corresponding handle of a knife 20 bearing of trends of this chute 23 bearing of trends, and should outwards offer a rectangular limiting holes 24 in chute 23 positions 202 pairs of second bodies;

This slip pull handle 30, be slidingly installed in the chute 23 of this handle of a knife 20, these slip pull handle 30 front ends convex with a start protruding 31, this start protruding 31 protrudes out in the rectangular start hole 22 that is limited in this handle of a knife 20, and connecting installing one button 33 with spring 32 in slip pull handle 30 stage casings, this button 33 protrudes out the rectangular limiting holes 24 that is limited in this handle of a knife 20;

This pivot group 40, include a pivot 41, one first pad 42, one second pad 43 and a nut 44, these pivot 41 1 ends have head end 411, and be provided with screw thread 412 that should nut 44 in pivot 41 other end systems, in the pivot hole 21 that uses this pivot 41 and nut 44 to wear to be locked in this handle of a knife 20 (pivot 41 is coated by this sheath 211), and first pad 42 and second pad 43 fill up respectively outside first body 201 and second body 202 that is located at this handle of a knife 20, this second pad 43 is an elastic strip body in addition, it has each assembly of clamping, prevent the effect that these nut 44 accidents unscrew, in addition this first pad 42 is provided with one with respect to head end 411 directions of pivot 41 and replaces ring 422, uses the round blade 50 of clamping that the design of replacing ring 422 and second pad 43 of first pad 42 can be suitable;

This round blade 50 is that utilization one pivot hole 51 is provided on the pivot 41 of this pivot group 40;

This blade protecting cover 60, be to lamellar body that should round blade 50 blade shapes, convex with a start handle 61 in should the slide direction of pull handle 30 of 60 pairs of this blade protecting covers, this start handle 61 is located for the start of these slip pull handle 30 front ends protruding 31 with locating

slot

611,60 pairs of this blade protecting covers should pivot group 40 pivot 41 places extend towards cut direction and offer a T type guide hole 62, this T type guide hole 62 has the positioning area 621 at corresponding round blade 50 centers, the left avertence district 622 in corresponding cut direction left side and the right avertence district 623 on corresponding cut direction right side, and this T type guide hole 62 passes (pivot 41 is coated by this sheath 211) for this pivot 41, and this T type guide hole 62 is provided between this round blade 50 and the handle of a knife 20, the skew space A of this handle of a knife 20 then has foot for these blade protecting cover 60 left sides, right avertence is moved the space of swing, be provided with the safety catch 624 of protrusion in addition in these blade protecting cover 60 trailing edges, use the round blade 50 of protection and be unlikely the protruding incised wound user in back;

The embodiment of the utility model embodiment is as follows, in order to clearly demonstrate flowing mode and the effect done of the present utility model, please cooperate Fig. 5～shown in Figure 9 again;

When the user does not use round rolling cut cutter:

This blade protecting cover 60 need not to shrink back, so the user can allow this slip pull handle 30 remain on top (being slidingly installed in chute 23 tops of this handle of a knife 20), and this start protruding 31 protrudes out above the rectangular start hole 22 of this handle of a knife 20, this button 33 also keeps protruding out above the rectangular limiting holes 24 of this handle of a knife 20, at this moment, the corresponding fully blade outer rim that covers this round blade 50 of this blade protecting cover 60, and this T type guide hole 62 utilizes the positioning area 621 corresponding embeddings at center to pull and coats in this pivot 41 (pivot 41 is by this sheath 21)), reach the function of the round blade 50 of safeguard protection;

If push hard when these blade protecting cover 60 2 sides, because this T type guide hole 62 utilizes the positioning area 621 corresponding embeddings at center to pull in this pivot 41 places, can't left and right skew swing so blade protecting cover 60 is subjected to 62 restrictions of T type guide hole.

When the user will use round rolling cut cutter:

The user can connect and press this button 33 to drive this slip pull handle 30 to bottom offset, this slip pull handle 30 slides in the chute 23 of this handle of a knife 20 to moving down, and this start protruding 31 is also at the rectangular start hole of this handle of a knife 20 22 intrinsic displacements, and this start protruding 31 more can utilize locating slot 611 these blade protecting covers 60 of pulling of this start handle 61 to bottom offset, at this moment, this blade protecting cover 60 is shunk back, its front end no longer covers the front outer of this round blade 50, and this pivot 41 is between the left avertence district 622 and right avertence district 623 of this T type guide hole 62;

When if the optional side of user is cut work; being cut part B pushes hard to this blade protecting cover 60 side wherein; and because this pivot 41 is free state (between the left avertence district 622 and right avertence district 623 of this T type guide hole 62); so this blade protecting cover 60 can be cut part B pushing and pressing and abdicate optimal cutting room; and blade protecting cover 60 edges also can be stablized auxiliary sliding being butted on appositely and are cut part B; and the round blade 50 that need not to use also is subjected to complete protection, so blade protecting cover of the present utility model 60 can be comfortable left along with the running of any side of user; right avertence is moved swing.

The utility model designs by aforementioned structure, when these blade protecting cover 60 controlled slip pull handles 30 are shunk back, no matter the user uses right side or left side to cut, this blade protecting cover 60 can use the comfortable left and right skew swing along with the running of any side of user of T type guide hole 62, reaches the effect that the conversion of the cutting angle left and right sides is convenient, meet ergonomics; And this blade protecting cover 60 has sufficient skew space A, and is offset space A with this and allows blade protecting cover 60 increase side-play amount automatically with the running cutting pressure, so the utlity model has the effect that automatic increase cutting angle, stable cutting operate.

Second embodiment of the present utility model, and see also Figure 10, Figure 11, Figure 12, the nut 44 of this pivot group 40 can change a slide fastener 70 into, this slide fastener 70 is slidingly installed on the handle of a knife 20 according to design, offer tool in slide fastener 70 front ends and buckle catching groove 71 to elastic force, and be provided with ring recessed 72 to catching groove 71 that should slide fastener 70 in pivot 41 other end systems, the slippage of this slide fastener 70 allows catching groove 71 cooperate and buckles to elastic force dismounting on the ring of pivot 41 recessed 72, so the user of the utility model second embodiment can use slide fastener 70 to operate 40 loading and unloading of pivot group fast freely.

In sum, the utility model design is to adorn a round blade at the one handle front end with the pivot pivot, and adorn a slip pull handle in this handle and control a blade protecting cover, the center of the corresponding round blade of this blade protecting cover offers a T type guide hole towards the cut direction extension, and this T type guide hole is provided in outside the pivot of round blade, when shrinking back by this blade protecting cover controlled slip pull handle, this round blade front end exposes for the cutting use, and no matter the user uses right side or left side to cut, this blade protecting cover utilizes T type guide hole can be subjected to thing to be cut surface pushing and pressing and cooperates this pivot to produce skew, and the running cutting angle is increased with the blade protecting cover deviation angle of this relative cut direction, so the utlity model has automatic increase cutting angle, easy to operate, security is good, the effect that meets ergonomics.

Claims

1. round rolling cut cutter, this circle rolling cut cutter includes handle of a knife, a slip pull handle, a pivot group, a round blade, a blade protecting cover, it is characterized in that:

This handle of a knife, its front end offers a skew space, and the corresponding skew of handle of a knife space offers a pivot hole and a rectangular start hole, in handle of a knife to being manufactured with chute in rectangular start hole, the corresponding handle of a knife bearing of trend of this chute bearing of trend, and to should outwards offering a rectangular limiting holes in the runner position place;

This slip pull handle is slidingly installed in the chute of this handle of a knife, and it is protruding that this slip pull handle front end convexes with a start, and this start protrudes out in the rectangular start hole that is limited in this handle of a knife, and protrudes out the rectangular limiting holes that is limited in this handle of a knife with a button at the slip pull handle;

This pivot group includes a pivot and a nut, and this pivot and nut are worn in the pivot hole that is locked in this handle of a knife;

This round blade is arranged on the handle front end, uses a pivot hole to be provided on the pivot of this pivot group;

This blade protecting cover, to lamellar body that should round blade shapes, at this blade protecting cover the direction of the pull handle that should slide is convexed with a start handle, this start handle is with the start protruding location of locating slot for this slip pull handle front end, this blade protecting cover extends towards cut direction pivot place that should the pivot group and offers a T type guide hole, this T type guide hole has the positioning area of corresponding round blade center, the left avertence district in corresponding cut direction left side and the right avertence district on corresponding cut direction right side, and this T type guide hole passes for this pivot, and this T type guide hole be provided in this round blade and pivot head end between, the skew space of this handle of a knife then has foot for this blade protecting cover left side, right avertence is moved the space of swing.

2. round rolling cut cutter according to claim 1, it is characterized in that: this handle of a knife, by first body and the second body be combined into, the second body front end of this handle of a knife offers a skew space, in first body of handle of a knife to should being manufactured with chute in rectangular start hole, and at second body to should outwards offering a rectangular limiting holes in the runner position place.

3. round rolling cut cutter according to claim 1 is characterized in that: this handle of a knife is equipped with the sheath of the pivot that is used to coat the pivot group in pivot hole outer rim; This blade protecting cover is provided with the T type guide hole that passes for the sheath that coats this pivot.

4. round rolling cut cutter according to claim 1 is characterized in that: this slip pull handle stage casing connects installing one button with spring, and this button protrudes out the rectangular limiting holes that is limited in this handle of a knife.

5. round rolling cut cutter according to claim 1, it is characterized in that: this pivot group, include a pivot, one first pad, one second pad and a nut, this pivot one end has head end, and be provided with screw thread that should nut in pivot other end system, this pivot and nut are worn in the pivot hole that is locked in this handle of a knife, and this pivot is coated by this sheath, and first pad and second pad to fill up first body that is located at this handle of a knife and second respectively external.

6. round rolling cut cutter according to claim 1, it is characterized in that: this pivot group, include a pivot, a slide fastener, this pivot one end has head end, and this slide fastener is slidingly installed on the handle of a knife according to design, offer tool in the slide fastener front end and buckle catching groove, and be provided with the ring of catching groove that should slide fastener recessed in pivot other end system to elastic force.

7. round rolling cut cutter according to claim 5 is characterized in that: this second pad be one the utilization elastic force compel to pull clamping blade, can prevent the elastic strip body that this nut accident unscrews.