CN207241257U - Cut the penknife structure and penknife of sketch pencil - Google Patents

Cut the penknife structure and penknife of sketch pencil Download PDF

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Publication number
CN207241257U
CN207241257U CN201720356837.9U CN201720356837U CN207241257U CN 207241257 U CN207241257 U CN 207241257U CN 201720356837 U CN201720356837 U CN 201720356837U CN 207241257 U CN207241257 U CN 207241257U
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CN
China
Prior art keywords
hob assembly
body portion
passage
cut
sketch pencil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720356837.9U
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Chinese (zh)
Inventor
金响标
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YIWU DINGBANG STATIONERY AND SPORTING GOODS Co Ltd
Original Assignee
YIWU DINGBANG STATIONERY AND SPORTING GOODS Co Ltd
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Application granted granted Critical
Publication of CN207241257U publication Critical patent/CN207241257U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L23/00Sharpeners for pencils or leads
    • B43L23/008Sharpeners for pencils or leads with rotating cutting bodies

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  • Drawing Aids And Blackboards (AREA)

Abstract

The utility model discloses the penknife structure of cutting sketch pencil, including knife rest, rotaring wheeling base and hob assembly, hob assembly is installed on knife rest, the gear of hob assembly one end is engaged with the internal gear on rotaring wheeling base, it is provided with knife rest and inserts a passage, the central axis of hob assembly is in an angle with the central axis for inserting a passage, hob assembly includes the operator body portion only cut the woody part of sketch pencil, its advantage is inserted into a passage when sketch pencil, hob assembly rotates, the operator body portion of hob assembly cuts the woody part of sketch pencil, cut out wooden tapered portion;The carbon core segment of sketch pencil can not be cut, can also be with the propulsion of sketch pencil, the residual of auxiliary body portion (tapered portion) the cutting carbon wicking surface adhesion of hob assembly is wooden, or coaxial micro cutting is only made to carbon core segment at the same time, to ensure the purity of carbon core and maintain the original cylindrical shape of carbon core.

Description

Cut the penknife structure and penknife of sketch pencil
Technical field
It the utility model is related to a kind of penknife of special cutting sketch pencil, more particularly to a kind of special cutting sketch lead The penknife structure and penknife of pen.
Background technology
Because penknife can safely and quickly sharpen a pencil, penknife has become the indispensable instrument that student writes study.In The utility model patent of state's Patent No. 201220568356.1 discloses sketch pencil special penknife, in pencil-knife body Portion is provided with taper type and cuts a chamber, and the side of pencil-knife body offers pencil insert port, and pencil insert port cuts pen with taper type Chamber is connected, and the end that taper platform cuts a chamber is provided through the nib punched out of pencil-knife body another side, and nib is pierced by The diameter in hole is identical with the diameter of pencil-lead, and the outer wall that taper type cuts a chamber is provided with opening in the axial direction, pacifies in opening Equipped with blade, the pen core length which cuts out can reach 3 centimetres to 6 centimetres, meet the requirement of Art Sketch pencil.
Current penknife includes box body, pencil holding mechanism and penknife structure, and penknife structure includes rocking arm, rotaring wheeling base, knife rest And hob assembly, knife rest are installed on box body by rotaring wheeling base, hob assembly is installed on knife rest by pivot pin, and hob assembly is led to Cross a gear to engage with the internal gear on rotaring wheeling base, rocking arm band movable knife rack and hob assembly rotate together, while hob assembly is led to Cross gear engagement system and make spinning motion.The tapered shape of pencil carbon core that traditional penknife is cut;Also penknife cuts Cut out that the nib thickness of pencil is adjustable, the carbon core of the pencil is still cone-shaped, to meet student as the various of writing implement Purposes.And the carbon core of sketch pencil requires length, generally to retain 30 millimeters, and carbon core need to be in original cylindrical type, pass The penknife of system can not cut the carbon core requirement of sketch pencil, and the carbon core diameter cut out is also uneven.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of penknife structure and penknife for cutting sketch pencil, Only the woody part of sketch pencil is cut to realize by varying the structure of hob assembly, carbon core is not handled or Person somewhat repairs carbon core, meets the carbon core requirement of sketch pencil.
Technical solution is used by the utility model solves above-mentioned technical problem:The penknife structure of sketch pencil is cut, Including knife rest, rotaring wheeling base and hob assembly, the hob assembly is installed on the knife rest, described hob assembly one end Gear engaged with the internal gear on rotaring wheeling base, be provided with the knife rest insert a passage, the center of the hob assembly Axis is in an angle with the central axis for inserting a passage, it is characterised in that hob assembly is included only to the woody part of sketch pencil The operator body portion cut.
The further preferred solution of the utility model is:The hob assembly is further included to be integrally formed with operator body portion Auxiliary body portion, the auxiliary body portion of the hob assembly in the gradually smaller taper type of diameter back to front, and Aid in the central axis of the line of cut and a slotting passage on body portion close to a slotting passage substantially parallel.
The further preferred solution of the utility model is:The hob assembly is further included on front side of operator body portion The auxiliary sleeve being coaxially disposed with the operator body portion.
The further preferred solution of the utility model is:The auxiliary body portion is arrived close to the line of cut of a slotting passage Insert radius of the distance equal to or slightly less than the carbon core of sketch pencil of the central axis of a passage.
The further preferred solution of the utility model is:Knife rest includes first end and the second end, the runner Seat is provided centrally with through hole, and the first end is placed in the through hole, and the second end is provided with and inserts pen The carbon core passage of passage connection, the first end, which is provided with, inserts an entrance.
The further preferred solution of the utility model is:Being used for for alignment carbon core passage is provided with the second end Release the fast button push of disconnected core.
The further preferred solution of the utility model is:The second end is provided with the rocking arm of driving blade holder turns.
The further preferred solution of the utility model is:The hob assembly is installed on the knife rest by pivot pin On.
The further preferred solution of the utility model is:The front end to the center for inserting a passage of the operator body portion The distance of axis is equal or slightly larger than the radius of the carbon core of sketch pencil.
The further preferred solution of the utility model is:The auxiliary body portion is at least distributed knife in posterior region Sword structure.
Cut the penknife of sketch pencil, including penknife structure as mentioned.
Compared with prior art, when sketch pencil is inserted into a passage the advantages of the utility model, hob assembly turns Dynamic, the operator body portion of hob assembly cuts the woody part of sketch pencil, cuts out wooden tapered portion;Can not be to element The carbon core segment for retouching pencil is cut, can also be with the propulsion of sketch pencil, the auxiliary body portion (taper of hob assembly Part) cutting carbon wicking surface adhesion residual it is wooden, or coaxial micro cutting, main purpose are only made to carbon core segment at the same time And the residual of cutting carbon wicking surface adhesion is wooden, to ensure the purity of carbon core and maintain the original cylindrical shape of carbon core.
Brief description of the drawings
Fig. 1 is the stereogram (one) of traditional penknife structure;
Fig. 2 is the stereogram (two) of traditional penknife structure;
Fig. 3 is the exploded view of the one penknife structure of embodiment of the utility model;
Fig. 4 is the stereogram of the one penknife structure of embodiment of the utility model;
Fig. 5 is the side view of the one penknife structure of embodiment of the utility model;
Fig. 6 is the sectional view of the one penknife structure of embodiment of the utility model;
Fig. 7 is the sketch pencil schematic diagram obtained after being cut with the penknife of the utility model;
Fig. 8 is enlarged drawing at the A in Fig. 7;
Fig. 9 is the structure chart for being provided with fast button push of the utility model;
Figure 10 is the stereogram of the two penknife structure of embodiment of the utility model;
Figure 11 is the side view of the two penknife structure of embodiment of the utility model;
Figure 12 is the sectional view of the two penknife structure of embodiment of the utility model;
Figure 13 is the exploded view of two hob assembly of embodiment of the utility model.
Embodiment
The utility model is described in further detail below in conjunction with attached drawing embodiment.
Embodiment one:As shown in figures 3 to 6, the penknife structure of sketch pencil, including knife rest 1, rotaring wheeling base 2 and hobboing cutter are cut Component 3, hob assembly 3 are installed on knife rest 1, and the gear 4 of 3 one end of hob assembly is engaged with the internal gear 5 on rotaring wheeling base 2, knife It is provided with frame 1 and inserts a passage 6, the central axis 31 of hob assembly 3 is in an angle a with the central axis 61 for inserting a passage 6, rolling Knife assembly 3 includes the auxiliary body portion 32 being wholely set and operator body portion 33, and operator body portion 33 is in cylindrical type and is used for The woody part of sketch pencil 7 is cut, auxiliary body portion 32 aids in knife in the gradually smaller taper type of diameter back to front Line of cut 321 and the central axis 61 of a slotting passage 6 on body portion 32 close to a slotting passage 6 is substantially parallel.As shown in figure 5, Taper size of the size of angle a according to needed for pencil cutting woody part determines.Aid in the line of cut 321 of body portion 32 It is substantially parallel with the central axis 61 of a slotting passage 6 so that pencil cutting carbon core is in cylindrical type, and the carbon core for meeting sketch pencil will Ask.
Body portion 32 is aided in arrive the distance R1 for the central axis 61 for inserting a passage 6 close to the line of cut 321 of a slotting passage 6 Equal to or slightly less than the radius R2 of the carbon core 71 of sketch pencil 7, as shown in fig. 7, when distance RI is equal with both radius R2, rolling Knife assembly 3 does not cut the carbon core 71 of sketch pencil 7, and the operator body portion 33 of hob assembly 3 is wooden to the 7 of sketch pencil Part all machines away.When distance RI is slightly less than radius R2, the auxiliary body portion 32 of hob assembly 3 is residual to sketch pencil 7 The woody part stayed is cut, or auxiliary body portion 32 slightly cuts the carbon core 71 of sketch pencil 7, and makes element The carbon core 71 for retouching pencil 7 is in original cylindrical type.
Knife rest 1 includes first end 11 and the second end 12, and rotaring wheeling base 2 is provided centrally with through hole 21, first end 11 It is placed in through hole 21, the second end 12 is provided with the carbon core passage 62 connected with inserting a passage 6, and first end 11 is provided with slotting Entrance 111.Sketch pencil 7 to be cut is inserted into from 2 direction of rotaring wheeling base, that is, is inserted into from inserting at an entrance 111.Sketch pencil The carbon core come is cut to extend into the carbon core passage of knife rest the second end so that carbon core can extend to more than 30 millimeters, and It will not be stopped.
The fast button push 10 for being used to release disconnected core of alignment carbon core passage 62 is provided with the second end 12.When sketch pencil The fracture of carbon core when, press inward against fast button push 10, it is possible to release disconnected core out of carbon core passage 62.Therefore disconnected core will not fall Fall in rotaring wheeling base, resetting spring 101 is provided between fast button push 10 and knife rest 1, in no outer active force pressing, reset Spring recovers to original position.
The second end 12 is provided with the rocking arm 9 that driving knife rest 1 rotates.In the working angles of sketch pencil, when longer After carbon core is broken because of accidental cause, the carbon core of fracture can inwardly be released from the carbon core passage 62 of the second end by shifting block, And carbon core 71 can drop from knife rest, continue to cut.If as in the prior art, rocking arm is installed on rotaring wheeling base side, i.e., the An end portion, then sketch pencil need be inserted into from the second end 12, as depicted in figs. 1 and 2, when carbon core 71 because accidental cause be broken Afterwards, the relatively large carbon core of longer and volume can be fallen in rotaring wheeling base, and carbon core can be stuck in the gear structure of rotaring wheeling base, i.e., In the internal gear 5 of gear 4 and rotaring wheeling base, so as to influence the normal work of penknife.The penknife of the utility model, sketch pencil Direction of insertion and traditional penknife direction of insertion on the contrary, being changed to be inserted into from rotaring wheeling base position.
Hob assembly 3 is installed on knife rest 1 by pivot pin 8.3 one side of hob assembly is rolled at the same time with the rotation of knife rest 1 Knife assembly 3 is relative to 1 rotation of knife rest.
The distance R3 that the central axis 61 for inserting a passage 6 is arrived in the front end 331 of operator body portion 33 is equal or slightly larger than element The radius R2 of the carbon core 71 of pencil 7 is retouched, as shown in fig. 6, when distance R3 is equal to the radius R2 of carbon core 71, the operator of hob assembly Body portion 33 makees complete cutting to the woody part of sketch pencil, makes the carbon core of sketch pencil exposed;When distance R3 is slightly larger than element When retouching the carbon core R2 radiuses of pencil, most of wood materials of the operator body portion cutting sketch pencil of hob assembly are remaining small Part wood materials are cut by the auxiliary body portion 32 of hob assembly.After sketch pencil cutting, its shape such as Fig. 7 institutes Show.
Aid in being distributed edge structure at least posterior region 322 of body portion 32.Aid in the side area of body portion 32 The residual woody part of sketch pencil is cut in domain 322, while can be cut to micro carbon core segment, carbon core is kept pure Degree, while allow it to be maintained at original cylindrical structure.
Cut the penknife of sketch pencil, including box body, into a mechanism and penknife structure, penknife structure includes knife rest 1, turns Wheel seat 2 and hob assembly 3, hob assembly 3 are installed on knife rest 1, the gear 4 and the internal tooth on rotaring wheeling base 2 of 3 one end of hob assembly Wheel 5 engages, and is provided with knife rest 1 and inserts a passage 6, and the central axis 61 of the central axis 31 of hob assembly 3 and a slotting passage 6 is in One angle, hob assembly 3 include the auxiliary body portion 32 being wholely set and operator body portion 33, and operator body portion 33 is in cylinder Type and for cutting the woody part of sketch pencil 7, auxiliary body portion 32 in the gradually smaller taper type of diameter back to front, And auxiliary body portion 32 is substantially parallel close to the line of cut 321 and the central axis 61 of a slotting passage 6 of a slotting passage 6.
Knife rest 1 includes first end 11 and the second end 12, and rotaring wheeling base 2 is provided centrally with through hole 21, first end 11 It is placed in through hole 21, the second end 12 is provided with the carbon core passage 62 connected with inserting a passage 6, and first end 11 is provided with slotting Entrance 111.
Embodiment two:Other parts are identical with embodiment one, and difference is:As shown in Figure 10-Figure 13, sketch is cut The penknife structure of pencil, including knife rest 1, rotaring wheeling base 2 and hob assembly 3, hob assembly 3 is installed on knife rest 1, such as Figure 10 institutes Show, the gear 4 of 3 one end of hob assembly is engaged with the internal gear 5 on rotaring wheeling base 2, is provided with knife rest 1 and is inserted a passage 6, such as Figure 11 Shown, the central axis 31 of hob assembly 3 is in an angle with the central axis 61 for inserting a passage 6, and hob assembly 3 is included only to element The operator body portion 33 that the woody part of pencil is cut is retouched, hob assembly 3 is further included positioned at 33 front side of operator body portion The auxiliary sleeve 12 being coaxially disposed with operator body portion 33.Auxiliary sleeve 12 is integrally formed with operator body portion 33 or split is set Put, as shown in figure 13, when aiding in sleeve 12 to be separately set with operator body portion 33, auxiliary sleeve 12 can be made of plastics. For the auxiliary body portion 32 in embodiment one is in the gradually smaller taper type of diameter back to front, this programme adds Work project plan comparison is simple, is produced easy to manufacture, advantage of lower cost.The operator body portion 33 of the hob assembly 3 can be to sketch lead The woody part of pen 7 is cut, but 71 part of carbon core of sketch pencil 7 is not cut.Operate body portion 33 with it is auxiliary Sleeve 12 is helped to be threaded through on pivot pin 8 and be installed on by the pivot pin 8 on knife rest 3 as shown in figure 12 together.The auxiliary sleeve 12 can To prevent movement of the scalpel body part 33 on pivot pin 8, it follows the rotation of pivot pin 8 together with operator body portion 33.
The penknife structure and penknife of cutting sketch pencil provided by the utility model are described in detail above, Specific case used herein is set forth the principle and embodiment of the utility model, and the explanation of above example is only It is to be used to help reason the utility model and core concept.It should be pointed out that for those skilled in the art, On the premise of not departing from the utility model principle, some improvement and modification can also be carried out to the utility model, these improve and Modification is also fallen into the protection domain of the utility model claims.

Claims (9)

1. the penknife structure of sketch pencil is cut, including knife rest, rotaring wheeling base and hob assembly, the hob assembly are installed on institute On the knife rest stated, the gear of hob assembly one end is engaged with the internal gear on rotaring wheeling base, is provided with the knife rest A passage is inserted, the central axis of the hob assembly is in an angle with the central axis for inserting a passage, it is characterised in that hobboing cutter Component includes the operator body portion only cut the woody part of sketch pencil;
The hob assembly further include with operator the integrally formed auxiliary body portion of body portion, the hob assembly it is auxiliary Body portion is helped in the gradually smaller taper type of diameter back to front, and is aided on body portion close to the line of cut of a slotting passage It is substantially parallel with the central axis of a slotting passage.
2. the penknife structure of cutting sketch pencil according to claim 1, it is characterised in that the auxiliary body portion It is equal to or slightly less than the half of the carbon core of sketch pencil close to the distance of line of cut to the central axis for inserting a passage of a slotting passage Footpath.
3. the penknife structure of cutting sketch pencil according to claim 1, it is characterised in that knife rest includes first end And the second end, the rotaring wheeling base are provided centrally with through hole, the first end is placed in the through hole, described The second end is provided with the carbon core passage connected with inserting a passage, and the first end, which is provided with, inserts an entrance.
4. the penknife structure of cutting sketch pencil according to claim 3, it is characterised in that set on the second end It is equipped with the fast button push for being used to release disconnected core of alignment carbon core passage.
5. the penknife structure of cutting sketch pencil according to claim 3, it is characterised in that the second end installation There is the rocking arm of driving blade holder turns.
6. the penknife structure of cutting sketch pencil according to claim 1, it is characterised in that the hob assembly passes through Pivot pin is installed on the knife rest.
7. the penknife structure of cutting sketch pencil according to claim 1, it is characterised in that the auxiliary body portion Edge structure is at least distributed in posterior region.
8. the penknife structure of sketch pencil is cut, including knife rest, rotaring wheeling base and hob assembly, the hob assembly are installed on institute On the knife rest stated, the gear of hob assembly one end is engaged with the internal gear on rotaring wheeling base, is provided with the knife rest A passage is inserted, the central axis of the hob assembly is in an angle with the central axis for inserting a passage, it is characterised in that hobboing cutter Component includes the operator body portion only cut the woody part of sketch pencil;The hob assembly is further included positioned at master The auxiliary sleeve being coaxially disposed with the operator body portion on front side of body portion.
9. the penknife of sketch pencil is cut, including the penknife structure as described in claim 1-8 is any.
CN201720356837.9U 2016-10-11 2017-04-06 Cut the penknife structure and penknife of sketch pencil Expired - Fee Related CN207241257U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610887196.XA CN106364236A (en) 2016-10-11 2016-10-11 Pencil sharpening mechanism and pencil sharpener for cutting sketch pencil
CN201610887196X 2016-10-11

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Publication Number Publication Date
CN207241257U true CN207241257U (en) 2018-04-17

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CN201610887196.XA Pending CN106364236A (en) 2016-10-11 2016-10-11 Pencil sharpening mechanism and pencil sharpener for cutting sketch pencil
CN201720356837.9U Expired - Fee Related CN207241257U (en) 2016-10-11 2017-04-06 Cut the penknife structure and penknife of sketch pencil
CN201710220868.6A Pending CN106938580A (en) 2016-10-11 2017-04-06 Cut the penknife structure and penknife of sketch pencil

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CN201610887196.XA Pending CN106364236A (en) 2016-10-11 2016-10-11 Pencil sharpening mechanism and pencil sharpener for cutting sketch pencil

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CN201710220868.6A Pending CN106938580A (en) 2016-10-11 2017-04-06 Cut the penknife structure and penknife of sketch pencil

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CN108081836A (en) * 2018-01-25 2018-05-29 娄稍栋 Electro-motion pencil sharpener
CN108099461A (en) * 2018-01-25 2018-06-01 娄稍栋 Diplopore penknife
CN108327432A (en) * 2018-03-08 2018-07-27 魏长同 A kind of hand held pencil sharpener
CN109703252A (en) * 2019-01-31 2019-05-03 雪松 A kind of cutting mechanism and penknife of penknife
CN111497508A (en) * 2020-04-29 2020-08-07 谢凤良 Pencil sharpener mechanism with replaceable hob and visible sharpening tip and assembling method thereof
CN114590060A (en) * 2022-04-15 2022-06-07 雪松 Hob assembly and pencil sharpener

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CN106938580A (en) 2017-07-11

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Granted publication date: 20180417