CN2841276Y

CN2841276Y - Cycloidal cutter

Info

Publication number: CN2841276Y
Application number: CN 200520113429
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 wavy cycloidal cutter by a pivot shaft, and a slide drawing handle is arranged in the handle to control a cutter blade protecting cover. The knife blade protecting cover is provided with an arc-shaped opening corresponding to the wavy cycloidal cutter; a position on the arc-shaped opening, corresponding to the center of the wavy cycloidal cutter, is provided with a T-shaped guide hole in an extension mode towards the cutting direction, and the T-shaped guide hole is arranged on both sides of the wavy cycloidal cutter for match, outside the pivot shaft. Therefore, when the cutter blade protecting cover is controlled by the slide drawing handle to retract, the front end of the wavy cycloidal cutter is exposed out of the arc-shaped opening of the cutter blade protecting cover 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, so the utility model has the effects of automatic cutting angle increase, convenient operation, high safety and ergonomic coincidence.

Description

Circle rolling cut cutter

Technical field

The utility model is (as plastic tab, leather sheet, wooden, the scraps of paper, cardboard about a kind of cutting lamellar body ... 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 cutter appears now on the market, it is installed a slice dise knife 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 corresponding dise knife moulding is vertically prolonging shank of tool axon heart direction cunning to be established, and the utilization protecting cover is prolonging effective cutting model (dise knife that is subjected to the protecting cover block resistance can't contact lamellar body to be cut) that this dise knife 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 dise knife 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 dise knife 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 protecting cover commonly used is to prolong shank of tool axon heart direction to carry out expanding-contracting action, therefore, effective cut coverage that this dise knife 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 sufficient dise knife depth of cut.

Because aforesaid problem can cause user's puzzlement, therefore, a kind of novel cutter (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 left-handed people can't use same as product with dexterous people, the turn-over assembling blade unless the user takes a lot of work again, this inclination guide hole 111 could change direction, so multidirectional conversion only can be selected operating of two products commonly used of Fig. 2, Fig. 3 when using;

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 utility model designer is through thinking in detail, and the experience of accumulating making and the research and development of being engaged in the cutting tool dependent merchandise for many years, is developed a kind of cutting tool group eventually, and is feasible to improve many disappearances of often knowing that the 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 it can be used in the design of wave dise knife, not only the conversion of the cutting angle left and right sides convenient, meet ergonomics, and have the effect of automatic increase cutting angle.

Summary of the invention

The utility model primary and foremost purpose provides a kind of user of allowing holds mode easily about conversion round rolling cut cutter, the center of the corresponding dise knife 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 dise knife; 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, its center at the corresponding dise knife of blade protecting cover offers a T type guide hole towards the cut direction extension, 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.

Another purpose of the present utility model provides a kind of circle rolling cut cutter that can use dise knife, the corresponding dise knife of blade protecting cover of the present utility model offers an arc opening, arc opening can be corresponding flexible for dise knife by this, so when blade protecting cover controlled slip pull handle was shunk back, the arc opening that this dise knife front end exposes the blade protecting cover used for cutting.

For achieving the above object, the technical solution adopted in the utility model is as follows:

A kind of round rolling cut cutter, include handle of a knife, a slip pull handle, a pivot group, a dise knife, a blade protecting cover, adorn a dise knife 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 corresponding dise knife of this blade protecting cover offers an arc opening, and the center of the corresponding dise knife 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 dise knife both sides and this pivot; When this blade protecting cover controlled slip pull handle is shunk back, the arc opening that this dise knife front end exposes the blade protecting cover uses for cutting, and when this blade protecting cover controlled slip pull handle was shunk back, this thing to be cut surface can cooperate T type guide hole and pivot to produce skew by this blade protecting cover of pushing and pressing.

Described round rolling cut cutter, 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 dise knife is that a ring edge is shaped on the wave circular knife of the incisxal edge edge of a knife, and uses a pivot hole to be provided on the pivot of this pivot group; This blade protecting cover, combine by first protecting cover and second protecting cover, the protruding caulking groove that cooperates of utilization embedding makes up between first protecting cover and second protecting cover, the extendable room that has the three-dimensional incisxal edge edge of a knife of corresponding ccontaining this dise knife in this blade protecting cover, this arc opening is opened in the cut direction of the corresponding dise knife of this blade protecting cover, 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 locating slot is formed by the slot part of first protecting cover and the protuberance embedding group of second protecting cover, this T type guide hole has the positioning area at corresponding dise knife 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 is provided in this wave dise knife both sides, and 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, 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 can be equipped with sheath in pivot hole outer rim; The pivot of this pivot group is coated by this sheath; The T type guide hole of this blade protecting cover is for passing 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, in the pivot hole that uses this pivot and nut to wear to be locked in this handle of a knife, 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 second pad is an elastic strip body, its utilization elastic force is compeled the clamping blade of pulling, and can prevent that this nut accident from unscrewing, and clamping dise knife that can be suitable.

Described round rolling cut cutter, this dise knife can be flat circle roll blade, wave circle roll blade or abnormity circle roll blade.

The use the beneficial effects of the utility model are: the utility model design is adorned a dise knife 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, heart place offers a T type guide hole towards the cut direction extension among the corresponding dise knife of this blade protecting cover, and this T type guide hole is provided in outside wave dise knife both sides and this pivot, when this blade protecting cover controlled slip pull handle is shunk back, this dise knife 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, the effect that meets ergonomics.

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

Description of drawings

Fig. 1 is the Common Component disassembly diagram.

Fig. 2 is assembling commonly used left side product figure.

Fig. 3 is assembling right side product figure commonly used.

Fig. 4 is the utility model exploded perspective view.

Fig. 5 is the non-cut state cutaway view of the utility model.

Fig. 6 is the utility model cut state cutaway view.

Fig. 7 implements schematic diagram for the utility model cut state.

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

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

The 30 annular starts protruding 31 of slip pull handle

Spring 32 buttons 33

Pivot group 40 pivots 41

Head end 411 screw threads 412

First pad 42 is replaced ring 422

Second pad 43

Nut 44 dise knifes 50

The pivot hole 51 incisxal edge edges of a knife 52

Blade protecting cover 60 first protecting covers 601

Second protecting cover, 602 embeddings protruding 603

Caulking groove 604 extendable rooms 605

Arc opening 606 start handles 61

Locating slot 611 slot parts 612

Protuberance 613 T type guide holes 62

Positioning area 621 left avertence districts 622

Right avertence district 623

The specific embodiment

Now lift a 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, deeply and specifically understand when getting one thus; At first please cooperate and consult Fig. 4, Fig. 5, shown in Figure 6, round rolling cut cutter provided by the utility model includes handle of a knife 20, a slip pull handle 30, a pivot group 40, a dise knife 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 an annular start protruding 31, this annular 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 first pad 42 is provided with respect to head end 411 directions of pivot 41 and replaces ring 422, this second pad 43 is an elastic strip body in addition, and it has each assembly of clamping, prevent the effect that these nut 44 accidents unscrew; Use first pad 42 replace the ring 422 and second pad 43 design can be suitable clamping dise knife 50.

These dise knife 50, one ring edge are shaped on the blade of the incisxal edge edge of a knife 52, and use a pivot hole 51 to be provided on the pivot 41 of this pivot group 40;

This blade protecting cover 60, combine by first protecting cover 601 and second protecting cover 602, utilization embedding protruding 603 cooperates caulking groove 604 to make up between first protecting cover 601 and second protecting cover 602, the extendable room 605 that has the three-dimensional ripple incisxal edge edge of a knife 52 of corresponding ccontaining this dise knife 50 in this blade protecting cover 60, these blade protecting cover 60 corresponding dise knifes 50 offer an arc opening 606 in cut direction, 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 annular start of these slip pull handle 30 front ends protruding 31 with locating slot 611, this locating slot 611 is formed by the slot part 612 of first protecting cover 601 and the protuberance 613 embedding groups of second protecting cover 602,60 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 dise knife 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 in the both sides of this wave dise knife 50, 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, mat safety catch 624 allows first protecting cover 601 and second protecting cover, 602 rear ends can driving fit, reaches the effect that protection dise knife 50 is unlikely back protruding incised wound user;

In order to clearly demonstrate flowing mode and the effect done of the present utility model, please cooperate Fig. 5～shown in Figure 8 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 should annular start protruding 31 protrude 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, this blade protecting cover 60 utilizes the corresponding fully outer rim that covers this dise knife 50 of extendable room 605, and this T type guide hole 62 utilizes the positioning area 621 corresponding embeddings at center to pull in this pivot 41 (pivot 41 is coated by this sheath 211), reaches the function of safeguard protection dise knife 50;

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 should annular start protruding 31 also at the rectangular start hole of this handle of a knife 20 22 intrinsic displacements, and should annular 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 arc opening 606 can allow these wave dise knife 50 front outers protrude out to expose, 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 incisxal edge edge of a knife 52 of the dise knife 50 that need not to use also is subjected to the complete protection of extendable room 605, thus blade protecting cover of the present utility model 60 can be along with the running of any side of user a comfortable left side; 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.

In addition, the utility model not only can be used in general dise knife 50 runnings, simple flat circle roll blade, wave circle roll blade, the use of abnormity circle roll blade can be installed equally, so enforcement versatility of the present utility model is higher.

Claims

1. round rolling cut cutter, include handle of a knife, a slip pull handle, a pivot group, a dise knife, a blade protecting cover, it is characterized in that: adorn a dise knife with the pivot pivot at the one handle front end, and adorn a slip pull handle in this handle and control a blade protecting cover, the corresponding dise knife of this blade protecting cover offers an arc opening, and the center of the corresponding dise knife 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 dise knife both sides and this pivot; When this blade protecting cover controlled slip pull handle is shunk back, the arc opening that this dise knife front end exposes the blade protecting cover uses for cutting, and when this blade protecting cover controlled slip pull handle was shunk back, this thing to be cut surface can cooperate T type guide hole and pivot to produce skew by this blade protecting cover of pushing and pressing.

2. round rolling cut cutter according to claim 1 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 dise knife is that a ring edge is shaped on the wave circular knife of the incisxal edge edge of a knife, and uses a pivot hole to be provided on the pivot of this pivot group;

This blade protecting cover, combine by first protecting cover and second protecting cover, the protruding caulking groove that cooperates of utilization embedding makes up between first protecting cover and second protecting cover, the extendable room that has the three-dimensional incisxal edge edge of a knife of corresponding ccontaining this dise knife in this blade protecting cover, this arc opening is opened in the cut direction of the corresponding dise knife of this blade protecting cover, 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 locating slot is formed by the slot part of first protecting cover and the protuberance embedding group of second protecting cover, this T type guide hole has the positioning area at corresponding dise knife 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 is provided in this wave dise knife both sides, and 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.

3. round rolling cut cutter according to claim 2, 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.

4. round rolling cut cutter according to claim 2 is characterized in that: this handle of a knife can be equipped with sheath in pivot hole outer rim; The pivot of this pivot group is coated by this sheath; The T type guide hole of this blade protecting cover is for passing for the sheath that coats this pivot.

5. round rolling cut cutter according to claim 2 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.

6. round rolling cut cutter according to claim 2, 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, in the pivot hole that uses this pivot and nut to wear to be locked in this handle of a knife, and first pad and second pad to fill up first body that is located at this handle of a knife and second respectively external.

7. round rolling cut cutter according to claim 6 is characterized in that: this second pad is an elastic strip body, and its utilization elastic force is compeled the clamping blade of pulling, and can prevent that this nut accident from unscrewing, and clamping dise knife that can be suitable.

8. round rolling cut cutter according to claim 1 is characterized in that: this dise knife can be flat circle roll blade, wave circle roll blade or abnormity circle roll blade.