CN101524938B - Push-pull pencil knife and use method thereof - Google Patents
Push-pull pencil knife and use method thereof Download PDFInfo
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- CN101524938B CN101524938B CN2009100492293A CN200910049229A CN101524938B CN 101524938 B CN101524938 B CN 101524938B CN 2009100492293 A CN2009100492293 A CN 2009100492293A CN 200910049229 A CN200910049229 A CN 200910049229A CN 101524938 B CN101524938 B CN 101524938B
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Abstract
The invention relates to a push-pull pencil knife and a use method thereof, wherein, the push-pull pencil knife comprises a main shell body, a pencil guide channel, a cutting tip and an elastic telescopic propping component which consists of an elastic telescopic element and a moving tongue body. The cutting tip is arranged at a cavity opening of the pencil guide channel, the knife edge arrangement direction forms a right angle with axial direction of the pencil guide channel, the knife edge corresponds to a pencil cutting part, and a movable propping end of the elastic telescopic propping component is arranged at a position corresponding to the knife edge of the cutting tip in the cavity and always supports the pencil cutting part. The use method comprises the following steps: the movable propping end performs reciprocating motion at the cavity opening position along the direction near or far from the pencil guide channel in the cavity and always supports the pencil cutting part when the pencil is driven by push-pull action, thus completing the cutting action. The push-pull pencil knife and the use method thereof help effectively avoid the problem of easily breaking pencil cores; and the push-pull pencil knife has the advantages of simple structure, convenient operation, long service life and wide application scope.
Description
Technical field
The present invention relates to the stationery field, particularly pencil-knife and operating technology field thereof specifically are meant the using method of a kind of plug-type pencil-knife and plug-type pencil-knife thereof.
Background technology
In modern society life, the working and learning, pencil be a kind of common can not common again article, and constituted by lead for retractable pencil and wooden clad for the pencil of routine, need when in use to cut, what just be commonly called as sharpens a pencil.
Traditional mode that sharpens a pencil is directly to use sharp blade to carry out, but this mode needs the operator to possess certain skill and experience, does not pass through long-term exercise, and pencil tends to cut bad, perhaps cuts very uglyly and is difficult to and use.In this case, just produced pencil-knife.
What pencil-knife of the prior art adopted basically all is rotary cutting way, utilizes the blade that parallels with the pencil longitudinal axis to be rotated cutting, and such pencil that cuts is the comparatively pyramid type of standard, and not only pattern is beautiful, and is easy to use.But there is a problem in this cutting way, is exactly easily lead for retractable pencil to be cut disconnectedly, and its reason is that lead for retractable pencil fractures under stronger twisting force easily because lead for retractable pencil itself bears the poor-performing of torsion.
In traditional instrument that sharpens a pencil, its basic principle all is to be rotated cutting, though carried out various possible improvement, all can't avoid the lead for retractable pencil problem of fracture easily, has brought certain inconvenience with regard to the life of giving people like this.
Summary of the invention
The objective of the invention is to have overcome above-mentioned shortcoming of the prior art, provide a kind of can effectively avoid lead for retractable pencil fracture, simple in structure, operating process is efficient and convenient, the using method of stable and reliable working performance, long service life, the plug-type comparatively widely pencil-knife of the scope of application and plug-type pencil-knife thereof.
In order to realize above-mentioned purpose, the using method of plug-type pencil-knife of the present invention and plug-type pencil-knife thereof is as follows:
This plug-type pencil-knife, its main feature is to comprise:
Housing main body, the inner inner chamber that forms of this housing main body;
Pencil guide channel, this pencil guide channel are arranged on described housing main body one sidewall, and described inner chamber is connected with the outside by this pencil guide channel;
Cutting tip, this cutting tip is arranged at the aperture position place of described pencil guide channel at described inner chamber, and the bearing of trend that the blade of this cutting tip is provided with and this pencil guide channel is axially rectangular, and described blade is corresponding with the cutting position of pencil; And
The elastic telescopic abutment member, the stiff end of this elastic telescopic abutment member is fixedly set in the inner chamber, the activity abutment end of this elastic telescopic abutment member is arranged at the blade corresponding position of the cutting tip described in the inner chamber, and the described pencil cutting of this activity abutment end resiliency supported position, along under the push pull maneuver driving of pencil guide channel, this activity abutment end edge in inner chamber is close or come and go mobile away from this pencil guide channel in the direction of the aperture position of inner chamber at pencil.
Elastic telescopic abutment member in this plug-type pencil-knife comprises:
The elastic telescopic element, the stiff end of this elastic telescopic element is fixedly set in the inner chamber, and the movable end of this elastic telescopic element along near or away from the direction stretching motion of this pencil guide channel at the aperture position of inner chamber; And
Mobile tongue body, the planar ends of this mobile tongue body is connected in the movable end of described elastic telescopic element, and the other end of this mobile tongue body has oblique abutment face, and the shape at the shape of this oblique abutment face and pencil cutting position is complementary and supports the lead for retractable pencil and the wooden clad of part at this pencil cutting position all the time.
Elastic telescopic element in this plug-type pencil-knife can be compression spring or compression shell fragment.
Oblique abutment face in this plug-type pencil-knife is slick and sly cambered surface.
Angle between the round moving direction of the activity abutment end in this plug-type pencil-knife and described pencil guide channel are axial is an acute angle.
The bearing of trend of the blade of the cutting tip in this plug-type pencil-knife and this pencil guide channel axially perpendicular.
Housing main body adjacent with blade described cutting tip sidewall in this plug-type pencil-knife is provided with open window, and the head cutting position of described pencil passes this open window.
The using method of above-mentioned plug-type pencil-knife, its main feature are that described method may further comprise the steps:
(1) the cutting position that will need the pencil that cuts pushes along the pencil guide channel of this plug-type pencil-knife;
(2) along with the pushing of pencil, the cutting position of described pencil is resisted against the activity abutment end of described elastic telescopic abutment member and promotes this activity abutment end to moving and make the elastic telescopic abutment member continue the savings compression energy in the direction of the aperture position of inner chamber away from this pencil guide channel;
(3) pencil is being pushed this plug-type pencil-knife suitable length, and after making that edge is stretched out at the cutting position of described pencil, pencil is being pulled out along described pencil guide channel;
(4) along with the pulling out of pencil, the blade that the cutting position of pencil is cut blade cuts, and described elastic telescopic abutment member continuous energy release, drives the cutting position that this activity abutment end supports pencil all the time;
(5) after pencil is pulled out this pencil guide channel fully, make this pencil longitudinally axis rotate suitable angle (certainly, if pencil is hexagonal, then rotate 60 degree, the rest may be inferred), and repeat above-mentioned steps (1) to (4).
Elastic telescopic abutment member in the using method of this plug-type pencil-knife continues the savings compression energy, is specially:
Elastic telescopic element in the described elastic telescopic abutment member is compressed and lasting savings elastic potential energy.
Elastic telescopic abutment member continuous energy release in the using method of this plug-type pencil-knife is specially:
Elastic telescopic element in the described elastic telescopic abutment member is released compression and continues to discharge elastic potential energy.
The plug-type pencil-knife of this invention and the using method of plug-type pencil-knife thereof have been adopted, since act on the power of lead for retractable pencil part at the cutting position of pencil and be pressure rather than as common rotary cutting type pencil-knife in torsion, and that lead for retractable pencil bears the performance of pressure usually is stronger than the performance of bearing torsion, and therefore the lead for retractable pencil of cutting partly is not easy to fracture; Simultaneously, there are three parts suitably to regulate as required among the present invention, thereby the shape of the pencil head that control is cut: the orientation angle of pencil guide channel, the shape of the angle at the incision pencil cutting position of cutting tip and the oblique abutment face of mobile tongue body, and the spacing between the oblique abutment face of cutting tip and mobile tongue body can be regulated as required, thereby the thickness of control pencil head lead for retractable pencil, not only simple in structure, reduced production cost, and operating process is efficient and convenient, stable and reliable working performance, long service life, the scope of application is comparatively extensive, is not only applicable to cross section and is circular pencil, and also going for shape of cross section is rectangle, hexagon, oval-shaped pencil, as carpenter's pencil etc., thereby all bring great convenience for people's work and life.
Description of drawings
Fig. 1 is first kind of vertical cross-sectional schematic of embodiment of plug-type pencil-knife of the present invention.
Fig. 2 is second kind of vertical cross-sectional schematic of embodiment of plug-type pencil-knife of the present invention.
The specific embodiment
In order more to be expressly understood technology contents of the present invention, describe in detail especially exemplified by following examples.
See also illustrated in figures 1 and 2, this plug-type pencil-knife, comprising:
Housing main body 1, the inside of this housing main body 1 forms inner chamber;
The elastic telescopic abutment member, the stiff end of this elastic telescopic abutment member is fixedly set in the inner chamber, the activity abutment end of this elastic telescopic abutment member is arranged at the blade corresponding position of the cutting tip 3 described in the inner chamber, and this activity abutment end supports the cutting position of described pencil 6 all the time, under pencil 6 drives along the push pull maneuver of pencil guide channel 2, this activity abutment end in inner chamber along near or come and go in the direction of the aperture position of inner chamber away from this pencil guide channel 2 and to move, and the angle between the round moving direction of this activity abutment end and described pencil guide channel 2 axial is an acute angle.
Wherein, described elastic telescopic abutment member comprises:
(1) the elastic telescopic element 4, the stiff end of this elastic telescopic element 4 is fixedly set in the inner chamber, and the movable end of this elastic telescopic element 4 along near or away from the direction stretching motion of this pencil guide channel 2 at the aperture position of inner chamber, simultaneously, this elastic telescopic element 4 can be the compression spring, the element that can certainly have the elastic compression function for other is as compressing shell fragment etc.;
(2) mobile tongue body 5, the planar ends of this mobile tongue body 5 is connected in the movable end of described elastic telescopic element 4, and the other end of this mobile tongue body 5 has oblique abutment face, and the shape at the cutting position of the shape of this oblique abutment face and pencil 6 is complementary and supports the lead for retractable pencil and the wooden clad of part at the cutting position of this pencil 6 all the time, in order to reach better matching and resiliency supported effect, described oblique abutment face is slick and sly cambered surface.
And, the adjacent sidewall of blade with described cutting tip 3 of the housing main body 1 in this plug-type pencil-knife is provided with open window, the cutting position of described pencil 6 passes this open window, thereby help to move freely in the pencil push-and-pull process on the one hand, and help the chip of pencil cutting is in time cleared up away.
This utilizes above-mentioned pencil-knife to realize the method for plug-type cutting pencil, comprising following steps:
(1) the cutting position that will need the pencil 6 that cuts pushes along the pencil guide channel 2 of this plug-type pencil-knife;
(2) pushing along with pencil 6, the cutting position of described pencil 6 is resisted against the activity abutment end of described elastic telescopic abutment member and promotes this activity abutment end to moving and make the elastic telescopic abutment member continue the savings compression energy in the direction of the aperture position of inner chamber away from this pencil guide channel 2, is specially:
Elastic telescopic element 4 in the described elastic telescopic abutment member is compressed and lasting savings elastic potential energy;
(3) pencil 6 is being pushed this plug-type pencil-knife suitable length, and after making that edge is stretched out at the cutting position of described pencil, pencil 6 is being pulled out along described pencil guide channel 2;
(4) along with the pulling out of pencil 6, the blade that the cutting position of pencil 6 is cut blade 3 cuts, and described elastic telescopic abutment member continuous energy release, drives the cutting position that this activity abutment end supports pencil 6 all the time, is specially:
Elastic telescopic element 4 in the described elastic telescopic abutment member is released compression and continues to discharge elastic potential energy;
(5) after pencil 6 is pulled out this pencil guide channel 2 fully, make this pencil 6 longitudinally axis rotate suitable angle (certainly, if pencil is hexagonal, then rotate 60 degree, the rest may be inferred), and repeat above-mentioned steps (1) to (4).
In the middle of reality was used, plug-type pencil-knife of the present invention comprised following parts:
(1) external shell 1 of pencil-knife;
(2) the pencil guide channel 2: pencil 6 is pushed the first step operation of pencil guide channel 2 for sharpening a pencil;
(3) cutting tip 3: pencil 6 is pulled out pencil guide channel 2, and the wooden clad and the part lead for retractable pencil on pencil surface are cut by the blade of this cutting tip 3, and this is second step operation that sharpens a pencil;
(4) elastic telescopic element 4 (compression spring 4): the lead for retractable pencil by 4 pairs of pencils of this compression spring partly presses;
(5) mobile tongue body 5: it has two functions, supports pencil, particularly supports the lead for retractable pencil of pencil all the time; The elastic force that compresses spring 4 is become pressure pass to pencil, thereby make pencil in working angles, to fit tightly all the time in the knife edge part of cutting tip 3.
Whole plug-type pencil-knife has two movable parts: compression spring 4 and mobile tongue body 5, when the user carries out the first element of cutting operation, just pencil 6 is pushed in the process in this pencil guide channel 2, along with pencil head cutting portion position promotes this mobile tongue body 5, thereby make that compressing spring 4 produces compressive deformations and put aside energy, carry out second action of this cutting operation as the user, just in the process that pencil 6 is pulled out from this pencil guide channel 2, along with pulling out of pencil, the energy that described compression spring 4 progressively discharges in the compression process to be put aside, thereby promote the cutting position that mobile tongue body 5 continues to support this pencil, lead for retractable pencil part particularly, it can be fitted tightly mutually with the blade of cutting tip 3, thereby finish stock removal action, carry out in the process in this stock removal action, wooden clad of the part of pencil 6 and lead for retractable pencil are cut.
Owing in working angles, have compression spring 4 to drive this and move the cutting tip that tongue body 5 is supported in this pencil 6 all the time, thereby make cutting operation be very easy to.Moreover, the particularly lead for retractable pencil of 5 pairs of pencils 6 of mobile tongue body partly supports in whole working angles, thereby has avoided the possibility that fractures of lead for retractable pencil effectively.
Simultaneously, in whole working angles, the lead for retractable pencil part only has been subjected to the pressure effect, and is not subjected to twisting force, thereby is not easy to fracture, and has guaranteed carrying out smoothly of pencil cutting.
And, with another difference of traditional rotary cutting way be, in the plug-type cutting way of the present invention, in the whole working angles, the user is shorter than rotary cutting in the path that the pencil push-and-pull is experienced, and is less thereby the user does work, and cuts lighter, convenient, fast.
Through plug-type pencil-knife of the present invention the cutting position shape of the final pencil that cuts 6 depend on that the gradient of pencil guide channel 2, the shape of mobile tongue body 5 and the blade of cutting tip 3 are provided with angle.
See also shown in Figure 1, it is for cutting the schematic diagram of cutting position than the pencil 6 of tubbiness, wherein, the angle axial and horizontal direction of pencil guide channel 2 is bigger, the oblique abutment face of mobile tongue body 5 is comparatively precipitous, and the axial angle of the edge plane of cutting tip 3 and pencil guide channel 2 is bigger, this cutting tip 3 is less with the spacing of mobile tongue body 5 simultaneously, in this case, the cone-shaped of the head that pencil 6 is cut is tubbiness comparatively, writes instructions for use thereby can be suitable for conventional pencil.
See also shown in Figure 2 again, it is for cutting the schematic diagram of the more elongated pencil 6 in cutting position, wherein, the angle axial and horizontal direction of pencil guide channel 2 is less, the oblique abutment face of mobile tongue body 5 is comparatively mild, and the axial angle of the edge plane of cutting tip 3 and pencil guide channel 2 is less, this cutting tip 3 is bigger with the spacing of mobile tongue body 5 simultaneously, in this case, the cone-shaped of the head that pencil 6 is cut is comparatively elongated, thereby can be suitable for the pencil instructions for use of drawing and drawing a portrait.
About how the blade of the shape of the gradient of flexible modulation pencil guide channel 2, mobile tongue body 5 and cutting tip 3 and horizontal plane is provided with angle, right and wrong Changshu is known for the person of ordinary skill of the art, and it also can constantly adjust and optimize correlation between the three by various cutting tests, thereby reaches best cutting effect.
Moreover, this pencil guide channel 2 itself can be not only a column type cavity, itself having certain remaining space laterally moves therein by a small margin for pencil body, thereby allowing the user that pencil 6 is arranged in to carry out small size gradient in the process of this pencil guide channel 2 regulates, and such structure can have applicability more flexibly.And the angle between the end face of cutting tip 3 and external shell 1 also is one of key factor of influence cutting shape.
In working angles, the bearing of trend of the blade setting of cutting tip 3 remains with the push-and-pull direction of pencil 6 perpendicular, thereby the angle direction of having guaranteed lead for retractable pencil is perpendicular with the bearing of trend that the blade of cutting tip 3 is provided with all the time, mobile simultaneously tongue body 5 remains the support to lead for retractable pencil, thereby has guaranteed lead for retractable pencil frangibility not in working angles.
And, in whole working angles, the area in the contact-making surface zone (comprising wooden clad and lead for retractable pencil part) at the blade of cutting tip 3 and pencil cutting position is less than the area in the contact-making surface zone of the rotary cutting way of routine, thereby make that the frictional resistance in the working angles is littler, guaranteed that cutting operation is more laborsaving, be more prone to hold cutting dynamics and accuracy.
In the process of cutting operation, the user can be according to the degree of depth of a preceding push-and-pull cutting operation and the pencil 6 nose shape requirements of final cutting, rotational angle flexible modulation to pencil 6, and then carry out push-and-pull cutting operation next time, thereby go for the cutting of the pencil of various shape of cross sections.
The above-mentioned plug-type pencil-knife and the using method of plug-type pencil-knife thereof have been adopted, since the suffered power of lead for retractable pencil part that acts on the cutting position of pencil 6 be pressure rather than as common rotary cutting type pencil-knife in torsion, and that lead for retractable pencil bears the performance of pressure usually is stronger than the performance of bearing torsion, so lead for retractable pencil partly is not easy to fracture; Simultaneously, there are three parts can change adjusting as required among the present invention, thereby the shape of the pencil head that control is cut: the orientation angle of pencil guide channel 2, the shape of the oblique abutment face of the angle of cutting tip 3 and mobile tongue body 5 (slick and sly cambered surface), and the spacing between the oblique abutment face of cutting tip 3 and mobile tongue body 5 (slick and sly cambered surface) can be regulated as required, thereby the thickness of the head lead for retractable pencil of control pencil 6, not only simple in structure, reduced production cost, and operating process is efficient and convenient, stable and reliable working performance, long service life, the scope of application is comparatively extensive, be not only applicable to cross section and be circular pencil, also going for shape of cross section is rectangle, hexagon, oval-shaped pencil, as carpenter's pencil etc., thereby all bring great convenience for people's work and life.
In this specification, the present invention is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (7)
1. a plug-type pencil-knife is characterized in that, comprising:
Housing main body, the inner inner chamber that forms of this housing main body;
Pencil guide channel, this pencil guide channel are arranged on described housing main body one sidewall, and described inner chamber is connected with the outside by this pencil guide channel;
Cutting tip, this cutting tip is arranged at the aperture position place of described pencil guide channel at described inner chamber, and the bearing of trend that the blade of this cutting tip is provided with and this pencil guide channel is axially rectangular, and described blade is corresponding with the cutting position of pencil; And
The elastic telescopic abutment member, the stiff end of this elastic telescopic abutment member is fixedly set in the inner chamber, the activity abutment end of this elastic telescopic abutment member is arranged at the blade corresponding position of the cutting tip described in the inner chamber, and this activity abutment end supports the cutting position of described pencil all the time, under pencil drives along the push pull maneuver of pencil guide channel, along close or round mobile in the direction of the aperture position of inner chamber away from this pencil guide channel, described elastic telescopic abutment member comprises this activity abutment end in inner chamber:
The elastic telescopic element, the stiff end of this elastic telescopic element is fixedly set in the inner chamber, and the movable end of this elastic telescopic element along near or away from the direction stretching motion of this pencil guide channel at the aperture position of inner chamber; And
Mobile tongue body, the planar ends of this mobile tongue body is connected in the movable end of described elastic telescopic element, and the other end of this mobile tongue body has oblique abutment face, and the shape of the shape of this oblique abutment face and pencil head cutting portion position is complementary and supports lead for retractable pencil and the wooden clad of part that this pencil cuts the position all the time, and the oblique abutment face of described mobile tongue body is slick and sly cambered surface;
The shape of the slick and sly cambered surface that oblique abutment face presented of the orientation angle of described pencil guide channel, the angle of cutting tip and mobile tongue body is all changed adjusting as required, thus the shape of the pencil head that control is cut.
2. plug-type pencil-knife according to claim 1 is characterized in that, described elastic telescopic element is compression spring or compression shell fragment.
3. plug-type pencil-knife according to claim 1 and 2 is characterized in that, the angle between the round moving direction of described activity abutment end and described pencil guide channel are axial is an acute angle.
4. plug-type pencil-knife according to claim 1 and 2 is characterized in that, the sidewall adjacent with blade described cutting tip described housing main body is provided with open window, and the head cutting position of described pencil passes this open window.
5. the using method of the described plug-type pencil-knife of claim 1 is characterized in that, described using method may further comprise the steps:
(1) the cutting position that will need the pencil that cuts pushes along the pencil guide channel of this plug-type pencil-knife;
(2) along with the pushing of pencil, the cutting position of described pencil is resisted against the activity abutment end of described elastic telescopic abutment member and promotes this activity abutment end to moving and make the elastic telescopic abutment member continue the savings compression energy in the direction of the aperture position of inner chamber away from this pencil guide channel;
(3) pencil is being pushed this plug-type pencil-knife suitable length, and after making that edge is stretched out at the cutting position of described pencil, pencil is being pulled out along described pencil guide channel;
(4) along with the pulling out of pencil, the blade that the cutting position of pencil is cut blade cuts, and described elastic telescopic abutment member continuous energy release, drives the cutting position that this activity abutment end supports pencil all the time;
(5) after pencil is pulled out this pencil guide channel fully, make this pencil longitudinally axis rotate suitable angle, and repeat above-mentioned steps (1) to (4).
6. the using method of plug-type pencil-knife according to claim 5 is characterized in that,
Described elastic telescopic abutment member continues the savings compression energy, is specially:
Elastic telescopic element in the described elastic telescopic abutment member is compressed and lasting savings elastic potential energy.
7. the using method of plug-type pencil-knife according to claim 6 is characterized in that, described elastic telescopic abutment member continuous energy release is specially:
Elastic telescopic element in the described elastic telescopic abutment member is released compression and continues to discharge elastic potential energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100492293A CN101524938B (en) | 2009-04-14 | 2009-04-14 | Push-pull pencil knife and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100492293A CN101524938B (en) | 2009-04-14 | 2009-04-14 | Push-pull pencil knife and use method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101524938A CN101524938A (en) | 2009-09-09 |
| CN101524938B true CN101524938B (en) | 2010-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100492293A Expired - Fee Related CN101524938B (en) | 2009-04-14 | 2009-04-14 | Push-pull pencil knife and use method thereof |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM459123U (en) * | 2013-04-12 | 2013-08-11 | Jun-Hong Wu | Press energy accumulation type pencil sharpener |
| CN111845171B (en) * | 2020-06-15 | 2021-11-16 | 林浩森 | Student cuts a ware convenient to short pencil cuts |
| CN112046176B (en) * | 2020-09-21 | 2022-07-01 | 山东工业职业学院 | Compasses with self-holding painting brush |
| CN112056898A (en) * | 2020-09-29 | 2020-12-11 | 许青 | Wooden chopsticks for children |
| CN113442628B (en) * | 2021-06-11 | 2022-05-13 | 广东工业大学华立学院 | Electric pencil sharpening tool |
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2009
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| CN101524938A (en) | 2009-09-09 |
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