CN208392938U - Diplopore penknife - Google Patents

Abstract

The utility model provides a kind of diplopore penknife, including knife rest, cutter is installed on knife rest, cutter is mounted on knife rest by cutter shaft, transmission gear is fixedly connected on cutter, knife rest is equipped with two different pen plugholes of pore size, is respectively equipped on the hole wall of two pen plugholes and cuts a hole, and transmission gear has the different-diameter of corresponding cutting different length pen tip.The utility model is provided with different two kinds of pore size on a knife rest and cuts a hole, can adapt to the cutting demand of the different pencil of thickness.

Description

Diplopore penknife

Technical field

The utility model relates to penknives.

Background technique

Electro-motion pencil sharpener is a kind of stationery for being driven by motor and driving to hobboing cutter sharpening pencil nib, and hobboing cutter is in penknife It is interior have certain tilt angle, in this way can one end to pencil carry out cutting formed expose certain length and have taper Workable pencil nib.The insert port of sharpening pencil, lid is arranged in electro-motion pencil sharpener in the prior art usually on top cover Hobboing cutter is set below body, and pencil cutting mouth is arranged in the side of hobboing cutter, after pencil is inserted into penknife, starts motor, motor driven rolling Swivel is dynamic, and sharpening pencil nib, scrap caused by cutting is fallen into lid, and lid is equipped with opening, can be with after cutting Scrap is toppled over away from opening.

For at present, electro-motion pencil sharpener usually requires have upper cover and lower part drive part, and whole size often compares One common teacup is also big, since driving motor and rechargeable battery can energize component and be installed in below lid, from Weight is also bigger, inconvenient to carry；Also, motor is placed on the lower part of entire penknife, and scrap and the carbon dust cut are different Surely it can clean out, accumulation over time, may be dropped in the driving part installation space of lower part by assembling gap, Pollute motor part.

The object-oriented of electro-motion pencil sharpener often is frequently necessary to use designer, art designing personnel of pencil etc., they In the daily work it is generally necessary to use various pencils, common pencil or drawing pencil, and instantly on the market mostly Several penknifes, there is usually one a hole is cut, intelligence cuts a type of pencil, and therefore, currently sold penknife has It is various, such as common penknife, sketch penknife, each penknife has certain volume and weight, if just think One designer or art designing personnel need to go to sample description on the spot to scene, it may be necessary to be equipped with multiple penknifes, undoubtedly give Carrying causes big inconvenience.

Therefore, a variety of pencil cuttings can be integrated in the penknife of one by developing one kind, can be brought to user very big Convenience.For example, Chinese utility model patent application CN201710123291.7, disclosing one kind may be selected to cut two kinds of differences of system The electro-motion pencil sharpener of coning angle pen tip, including turn-button (1), fixing sleeve (2), bipyramid hole hobboing cutter have (3), hob head (4), electrical equipment unit (5), shell (6), the turn-button which uses are equipped with button gear and pen port；Fixing sleeve be equipped with internal gear, chip removal mouth and Mesoporous is covered, hobboing cutter tool in bipyramid hole is made of double taper hole knife rests and hobboing cutter, and double taper hole knife rests are equipped with A taper hole, B taper hole and frame curved tooth, Hobboing cutter is equipped with cutter tooth wheel；Hob head is equipped with splined shaft and seat mesoporous；Electrical equipment unit is by motor, retarder, switch, spring, contact, touching Bar, charge port, rechargable battery are constituted；Shell is made of top cover, upper casing and middle shell and lower casing；A taper hole is small-angle cutting hole, B cone Kong Wei great cone angle cutting hole；A taper hole, which sharpens a pencil, can get longer pen core；B taper hole, which sharpens a pencil, can get the technical side of shorter pen core Case makes electro-motion pencil sharpener, and the pencil point for making two kinds big small-angle, the mesh for meeting art designing worker's demand can be cut by having reached 's.

Above-mentioned patent solves the problems, such as the pencil point of cutting different size cone angle to a certain extent, still, practical It is not only to require the pen tip length and cone angle of pencil in use, also has different need to the penholder thickness length etc. of pencil It asks, often has the pencil that many thicknesses and length are different from the market；In addition, above-mentioned patent is grown by being arranged on knife rest Degree reaches the length and cone angle for adjusting cut pencil point with cutting hole of different sizes, and there is no knives when changing cutting The angle change of tool, actually cutting different cone angle pen tip most importantly change its cutting angle, only pass through the shape of cutting hole Shape is wherein cut the written shape of pencil to limit, and is practically without the track for really changing cutting itself, is a kind of house sheet Seek the way at end, actually during the cutting process may cutter setting frame generate larger abrasion, cutting effect is also and bad.

Utility model content

Technical problem to be solved in the utility model is, for the problems in background technique, provides a kind of diplopore and cuts pen Knife can pass through a knife rest and cutter, the pencil of cutting different thicknesses and written size.

The utility model technical scheme applied to solve the technical problem is: diplopore penknife, including knife rest, pacifies on knife rest Cutter is filled, cutter is mounted on knife rest by cutter shaft, and transmission gear is fixedly connected on cutter, and knife rest is equipped with pore size Two different pen plugholes are respectively equipped on the hole wall of two pen plugholes and cut a hole, and transmission gear, which has, corresponding cuts different length Spend the different-diameter of pen tip.

Further, cutter synchronous can be moved up and down with transmission gear along cutter shaft.

Further, cutter bottom is equipped with the mandril that can jack up cutter.

Further, knife rest bottom is equipped with tool rest bracket, is equipped with knife rest turntable in tool rest bracket, knife rest turntable can be opposite It rotates in tool rest bracket and is rotated synchronously with movable knife rack.

Further, tool rest bracket is equipped with the knife rest sliding slot with blade holder turns route matching, and knife rest is sliding equipped with knife rest Pole, knife rest litter pass through the knife rest sliding slot and connect with knife rest turntable, and knife rest litter can be past in the range of knife rest sliding slot limits It is multiple mobile.

Further, knife rest litter is equipped with buckle, and knife rest turntable is equipped with the kidney-shaped that can allow for knife rest litter to pass through Hole is equipped on the turntable inner wall below the kidney slot and the bayonet that is clasped.

Further, which further includes the locking switch of knife rest turntable, locking switch be located at tool rest bracket and The lower part of knife rest turntable, locking switch can be struck along the tangential direction of tool rest bracket.

Further, tool rest bracket is equipped with mandril sliding slot, and the lower end of mandril is located in the mandril sliding slot, mandril sliding slot tool There is the radian with blade holder turns route matching, and is tilted along the radian direction.

Further, tool rest bracket is equipped with pen tip sensing device in place, and sensing device is located at two to pen tip in place The lower section of pen plughole, sensing device is mounted on sensing device pallet pen tip in place, and sensing device pallet and knife rest rotate synchronously.

Further, cutter bottom is equipped with cutter pallet, and cutter pallet is set in cutter shaft, and the upper end of mandril can be with The lower surface of cutter pallet contradicts.

The beneficial effects of the utility model are:

(1) the utility model is provided with different two kinds of pore size on a knife rest and cuts a hole, can adapt to thickness The cutting demand of different pencils.

(2) transmission gear of cutter has the characteristics that variable diameters in the utility model, but the number of teeth and the size of tooth are constant, really The transmission gear ring no matter protect transmission gear can roll under which diameter with cutter, which engages, carries out scrolling realization cutting, due to Different-diameter is engaged with the same transmission gear ring, the cutting angle therefore in the case where different-diameter, when rotation It is different, cone angle so as to cut pen tip pencil of different sizes.

(3) in the utility model, since the diameter in different height of transmission gear is different, the cutting of transmission gear The diameter change of transmission can be realized simply by moving up and down for the cutter that is firmly connected with it, for example, due to passing The position of movable tooth circle is constant, the diameter of transmission gear be it is up-small and down-big, when cutter is jacked up in uppermost position in fig-ure, transmission gear The maximum position of the diameter of bottom engage with transmission gear ring, and cutting angle at this time is maximum, and it is big to cut cone angle, written Short pen core, when cutter, which is laid down, to be set in lowermost position, the smallest position of the diameter of transmission gear the top and transmission gear ring Engagement, cutting angle at this time is minimum, can cut the pen core of small, the written length of cone angle.

(4) moving up and down for cutter can realize that knife rest chassis is equipped with by the mandril being arranged on knife rest chassis The sliding slot of one arc and bottom angled, when the rotation of knife rest chassis, mandril is moved along this sliding slot, when mandril is moved to sliding slot When bosom, cutter is not just withstood in the upper end, and cutter is set in lowermost position at this time, when mandril, which is moved to sliding slot, most shallowly to be located, Upwards by cutter top to uppermost position in fig-ure, such structure can be realized by rotating the component being connected with knife rest chassis for upper end, Although internal structure is complicated, for the user, it is only necessary to which clear rotational angle can be realized as converting, and use right and wrong It is often convenient.

(5) knife rest of the utility model is additionally provided with pen tip on the position below each corresponding cutting hole and incudes dress in place Set, when pencil cutting is completed, pen tip can touch this sensing device, sensing device can link with the component of lower section to Signal is issued to microswitch, such structure there can be the function of fining away and stop in the cutter as electro-motion pencil sharpener, real Existing automatic cutting.

(6) the utility model is additionally provided with the locking switch of knife rest turntable on knife rest chassis, which is using shape Being under state can be by knife rest rotary disk limitation in knife rest chassis, and stirring direction due to it is along knife rest chassis and knife rest turntable Tangential direction, therefore, when the locking switch is stirred outward, just departing from the interference with knife rest turntable, knife rest turntable at this time It can be removed out of knife rest chassis, also allow for cutter shaft and cutter departing from interference, just can be realized tearing open for cutter at this time It unloads and replaces, this knockdown structure can dismount cutter by convenient and fast mode, without influencing whether other whole knots Structure.

Detailed description of the invention

Fig. 1 is the overall structure figure of the utility model.

Fig. 2 is structure chart of the Fig. 1 from bottom views.

Fig. 3 is the enlarged drawing of knife rest chassis location part.

Fig. 4 is the schematic diagram that the utility model conceals knife rest.

Fig. 5 is the schematic diagram that the utility model conceals cutter.

Fig. 6 is the top view of Fig. 5.

Fig. 7 is the schematic diagram on knife rest chassis.

Fig. 8 is the schematic diagram of knife rest turntable.

Fig. 9 is the working drawing of the utility model.

Figure label: knife rest 1, cutter 2, cutter shaft 3, transmission gear 4, pen plughole 5 cut a hole 6, mandril 7, cutter pallet 8, tool rest bracket 9, knife rest turntable 10, mandril sliding slot 11, knife rest sliding slot 12, knife rest litter 13, buckle 14, kidney slot 15, bayonet 16, it is driven gear ring 17, fixed switch 18, pen tip sensing device 19 in place, sensing device pallet 20, pencil 21.

Specific embodiment

Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing, it is noted that Embodiment is only specifically described the technical solution of the utility model, preferred embodiment and alternative, its purpose is to So that those skilled in the art is more fully understood the utility model, and is not construed as the restriction to the utility model.

The diplopore penknife of the utility model, is mainly used for electro-motion pencil sharpener, can be used for manual penknife, power Mode can according to actual needs and the other factors such as manufacturing cost are considered to be selected, and transmission mode generallys use gear Transmission.

As shown in Figure 1, this diplopore penknife of the utility model, including knife rest 1, cutter 2, cutter 2 are installed on knife rest 1 Be mounted on knife rest 1 by cutter shaft 3, usually, pencil 21 to be cut be along penknife entirety length direction insert Enter, transmission gear 4 is fixedly connected on cutter 2, cutter 2 synchronous can be moved up and down with transmission gear 4 along cutter shaft 3.

As a preferred solution, as shown in figure 4, the bottom of cutter 2 is equipped with the mandril 7 that can jack up cutter 2, top The bottom of bar 7 can link with other components, as long as about 2 cutter can be jacked up by meeting mandril 7.

As a preferred solution, cutter pallet 8 can be set in the bottom of cutter 2, and cutter pallet 8 is equally also set in In cutter shaft 3, balance element when being jacked up as cutter 2, if directly jacking up cutter 2, it is possible to it will cause and jacked up That point stress it is larger, the rising of cutter 2 is unstable, 2 lower part of cutter be arranged one jack up when stage property pallet 8 then may be used To solve this problem, when jack-up, the upper end of mandril 7 can be contradicted with the lower surface of cutter pallet 8, when cutter 2 is not jacked up, Mandril 7 can also equally be disengaged with cutter pallet 8.

As a preferred solution, when cutter 2 is jacked up, the direction of insertion of cutter shaft 3 and pencil to be cut is in 4 ~ 11 ° of angle, corresponds to that aperture is biggish to cut a hole, and the biggish pen tip of taper lead angle at this time；When cutter 2 is released, cutter The direction of insertion of axis 3 and pencil to be cut is in 3 ~ 8 ° of angle, corresponds to that aperture is lesser to cut a hole at this time, and taper lead angle compared with The small biggish pen tip of length.

As a preferred solution, as shown in Fig. 2,7, the bottom of knife rest 1 is equipped with tool rest bracket 9, sets in tool rest bracket 9 There is knife rest turntable 10, knife rest turntable 10 can be rotated relative to tool rest bracket 9 and be rotated synchronously with movable knife rack 1, on tool rest bracket 9 Equipped with the matched knife rest sliding slot 12 of the rotation path of knife rest 1, the lower part of knife rest 1 is fixedly connected with knife rest litter 13, and knife rest is sliding Pole 13 passes through the knife rest sliding slot 12 and connect with knife rest turntable 10, in this way, knife rest 1 can be rotated synchronously with knife rest turntable 10, and And the knife rest sliding slot 12 on tool rest bracket 9 defines the slewing area of knife rest 1, i.e. knife rest litter 13 can be in knife rest sliding slot 12 It is moved back and forth in the range of restriction.

As a preferred solution, knife rest litter 13 is equipped with buckle 14, and knife rest turntable 10, which is equipped with, can allow for knife The kidney slot 15 that frame litter 13 passes through is equipped on the inner wall of the knife rest turntable 10 below the kidney slot 15 and to cooperate with buckle 14 Bayonet 16, in this way, knife rest litter 13 is inserted into kidney slot 15 in assembly, it is sliding greater than knife rest due to the length of kidney slot at this time The diameter of pole 13, therefore interference is not had when insertion, after insertion, knife rest litter 13 is arrived the outermost of knife rest turntable 10, card by top Button 14 will be located in buckle 16, and knife rest litter 13 is limited also due to buckling 14 by the outermost edges of kidney slot 15, Thus knife rest 1 and knife rest turntable 10 is relatively fixed, so that the two is linked.

As a preferred solution, tool rest bracket 9 is equipped with mandril sliding slot 11, and it is sliding that the lower end of mandril 7 is located at the mandril In slot 11, mandril sliding slot 11 has the matched radian of rotation path with knife rest 1, and tilts along the radian direction, in this way, working as knife Frame 1 is driven when rotating by knife rest turntable 10, and 7 bottom of mandril is just moved along mandril sliding slot 11, mandril 7 to mandril sliding slot 11 compared with When shallow place's movement, cutter 1 is jacked up naturally and puts down cutter 1 naturally when mandril 7 is mobile to 11 higher depth of mandril sliding slot.

Knife rest 1 is equipped with two different pen plugholes 5 of pore size, is respectively equipped on the hole wall of two pen plugholes 5 and cuts pen Hole 6, cutter 2 are arranged in pen plughole 5 and cut the side in hole 6, when cutter 2 rotates, are located at pen plughole through the cutting of a hole 6 is cut Pencil in 5, the pencil of the corresponding different thicknesses of the pen plughole 5 of different pore size size, meanwhile, the pencil in two pen plugholes 5 is again It can be cut to by cutter 2, the function of pencil of different thicknesses can be cut by thereby realizing a penknife.

As shown in Fig. 1,4, transmission gear 4 has the different-diameter of corresponding cutting different length pen tip, is primarily referred to as here Transmission gear 4 straightens gauge structure, such as shown in the figure, and transmission gear 4 is a kind of up-small and down-big structure, but the number of teeth and tooth Size be constant, in this way, either any diameter, can be nibbled with the transmission gear ring 17 of connection external drive It closes, to be driven by it, the different-diameter size of transmission gear 4, primarily to changing cutting angle, to cut difference The pen tip of cone angle size, for example, when the top of transmission gear 4 and transmission gear ring 17 engage, the engagement diameter of transmission gear 4 Minimum, cutting angle is maximum at this time, and the pen tip cone angle cut is big, when the bottom of transmission gear 4 is engaged with transmission gear ring 17 When, the engagement diameter of transmission gear 4 is maximum, and cutting angle is minimum at this time, and the pen tip cone angle cut is small.

Transmission gear 4 is to be fixedly connected, and can synchronize and move up and down along cutter shaft 3 with cutter 2, therefore, cutter 2 Move up and down directly moving up and down with nutating gear 4, therefore, when jacking up and putting down cutter 2, what is actually changed is The cutting angle of transmission gear 4, and cut the arrangement in hole 6, it is also just corresponding with the upper and lower position of cutter 2, for example, wherein one A position for cutting a hole 6 is in that the position of lower part is corresponding with cutter, and another position for cutting a hole is then in upper with cutter The position in portion is corresponding, and the pen of such different thicknesses can also cut the pen tip of different cone angle.

It is uniform when as a preferred solution, due to the variable diameters of transmission gear 4, turn to middle position When, the moderate pen of pen tip taper can be cut.

As a preferred solution, the locking that knife rest turntable 10 can also be arranged in the diplopore penknife of the utility model is opened 18 are closed, locking switch 18 is located at the lower part of tool rest bracket 9 and knife rest turntable 10, and locking switch 18 may be mounted at the outer of penknife In portion's structure, slot is stirred as long as having, and position corresponds to just, when function of locking switch 18 realizes 9 He of tool rest bracket The locking of knife rest turntable 10, in a state of use, locking switch 18 must lock tool rest bracket 9 and knife rest turntable 10, it is ensured that Cutter frame structure is stablized, but when situations such as such as tool holder damage needs replacing occurs, due to locking switch 18 be can be along knife rest The tangential direction of pedestal 9 is struck, and locking switch 18 is stirred outward, then locking switch 18 can be detached from dry with knife rest turntable 10 It relates to, knife rest turntable 10 can be removed at this time, realize the disassembly and replacement of cutter 2.

As a preferred solution, pen tip sensing device 19 in place can be set on tool rest bracket 9, pen tip incudes in place Device 19 is located at the lower section of two pen plugholes 5, and since the length of cut of two pen plugholes 5 is different, pen tip is felt in place Answer the height of device 19 also different, as illustrated in figures 4-5, also, sensing device 19 is all fixed on an induction to two pen tips in place On device pallet 20, sensing device pallet 20 is to need to rotate synchronously with knife rest 1.

As a preferred solution, sensing device pallet 20 can directly be fixed on the bottom of knife rest 1 by shape matching Portion, thus synchronous rotation.

As a preferred solution, the connecting rod across tool rest bracket 9 also can be set in the bottom of sensing device pallet 20, This connecting rod may be coupled to some fixation hole on knife rest turntable 10, in this way, when knife rest turntable 10 rotates, sensing device support Sensing device 19 can be rotated synchronously with knife rest turntable 10 namely knife rest 1 in place for disk 20 and pen tip thereon.

Claims (10)

1. diplopore penknife, including knife rest, cutter is installed on knife rest, cutter is mounted on knife rest by cutter shaft, solid on cutter Surely it is connected with transmission gear, characterized in that knife rest is equipped with two different pen plugholes of pore size, the hole wall of two pen plugholes On be respectively equipped with and cut a hole, transmission gear has the different-diameter of corresponding cutting different length pen tip.

2. diplopore penknife according to claim 1, characterized in that cutter can be synchronous in cutter shaft with transmission gear Lower movement.

3. diplopore penknife according to claim 2, characterized in that cutter bottom is equipped with the top that can jack up cutter Bar.

4. diplopore penknife according to claim 3, characterized in that knife rest bottom is equipped with tool rest bracket, in tool rest bracket Equipped with knife rest turntable, knife rest turntable can be rotated relative to tool rest bracket and be rotated synchronously with movable knife rack.

5. diplopore penknife according to claim 4, characterized in that tool rest bracket is equipped with and blade holder turns route matching Knife rest sliding slot, knife rest be equipped with knife rest litter, knife rest litter pass through the knife rest sliding slot connect with knife rest turntable, knife rest litter energy It is enough to be moved back and forth in the range of knife rest sliding slot limits.

6. diplopore penknife according to claim 5, characterized in that knife rest litter is equipped with buckle, sets on knife rest turntable There is the kidney slot that can allow for knife rest litter to pass through, is equipped with and the card that is clasped on the turntable inner wall below the kidney slot Mouthful.

7. diplopore penknife according to claim 4, characterized in that the diplopore penknife further includes the locking of knife rest turntable Switch, locking switch are located at the lower part of tool rest bracket and knife rest turntable, and locking switch can be along the tangential direction quilt of tool rest bracket It stirs.

8. diplopore penknife according to claim 4, characterized in that tool rest bracket is equipped with mandril sliding slot, under mandril End is located in the mandril sliding slot, and mandril sliding slot has the radian with blade holder turns route matching, and tilts along the radian direction.

9. diplopore penknife according to claim 3, characterized in that tool rest bracket is equipped with pen tip sensing device in place, Sensing device is located at the lower sections of two pen plugholes to pen tip in place, and sensing device is mounted on sensing device pallet to pen tip in place On, sensing device pallet and knife rest rotate synchronously.

10. diplopore penknife according to claim 3, characterized in that cutter bottom is equipped with cutter pallet, cutter pallet set It is located in cutter shaft, the upper end of mandril can be contradicted with the lower surface of cutter pallet.