CN208035745U - Pencil - Google Patents

Abstract

The utility model proposes a kind of pencils, are related to technical field of stationery.The pencil of the utility model includes pen core and penholder, is sheathed on outside pen core, and penholder is the prism structure that multiple sides surround, each side is cambered surface, and it is radially orientated pen core recess along penholder, to be correspondingly formed the depressed area of multiple arcs, each depressed area extends to the other end from one end of penholder.The pencil of the utility model can alleviate finger fatigue, convenient for using for a long time.

Description

Pencil

Technical field

The utility model is related to technical field of stationery more particularly to a kind of pencils.

Background technology

In daily life, study and work, pencil is a kind of very common pen stationery, and person's handwriting is easy to wipe, Therefore it is widely used in writing and drawing occasion.Existing pencil generally comprises the pen core in penholder and penholder, and pen core is usually Graphite material；The shapes such as penholder is usually cylindric, triangular prism or hexagonal prisms.It, will for penholder is columned pencil When it is positioned over desktop, it is easy to tumble from desktop, is unfavorable for putting.And the pencil that penholder is the shapes such as triangular prism or hexa-prism With corner angle, so above-mentioned the phenomenon that tumbling is less prone to, convenient for putting.Using the shapes penholders such as triangular prism or hexagonal prisms When pencil, finger presses on the side of penholder, control penholder movement.

But for penholder is the pencil of the shapes such as triangular prism or hexa-prism, due to each side of its penholder It is plane or convex outward, and the finger face of finger has certain radian.When in use, press penholder finger face can occur compared with Large deformation.After prolonged use, the fingers deformed of user is not easy to restore, and is susceptible to the senses of discomfort such as fatigue, ache, because And it is not suitable for using for a long time.

Above- mentioned information is only used for reinforcing the understanding to the background of the utility model disclosed in the background technology part, because This it may include the information not constituted to the prior art known to persons of ordinary skill in the art.

Utility model content

The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, provide it is a kind of can alleviate finger fatigue, just In the pencil used for a long time.

The additional aspect and advantage of the utility model will be set forth in part in the description, and partly will be from retouching It is apparent from stating, or can the acquistion by practice of the utility model.

One side according to the present utility model, a kind of pencil, including pen core and penholder, are sheathed on outside the pen core, institute It is the prism structure that multiple sides surround to state penholder, and each side is cambered surface, and is radially orientated institute along the penholder Pen core recess is stated, to be correspondingly formed the depressed area of multiple arcs, each depressed area extends to separately from one end of the penholder One end.

The radius of an embodiment according to the present utility model, each side is identical.

An embodiment according to the present utility model, each side and the minimum range of the central axis of the penholder are equal For 2.5mm~3mm.

An embodiment according to the present utility model, adjacent two side are connected smoothly by smooth surface.

An embodiment according to the present utility model, the smooth surface are cambered surface.

The radius of an embodiment according to the present utility model, each smooth surface is identical.

An embodiment according to the present utility model, the penholder are fixed by two pencil board pairings, the pen core It is held between two pencil boards；Alternatively, the penholder is an integral structure.

An embodiment according to the present utility model, the pen core are cylindric or prismatic structure.

As shown from the above technical solution, the utility model has at least one of following advantages and good effect：

Each side of penholder is cambered surface, and is radially orientated pen core recess along penholder, compared to plane or evagination The side of curved form is more in line with the finger face shape of user's finger；When finger face presses on side, referring to face can be with recess Area matches, and carries out a degree of cladding to referring to face by side, can reduce the deformation extent of finger, reduce fatigue, ache etc. Sense of discomfort is conducive to use for a long time.

Since each depressed area extends to the other end from one end of penholder so that depressed area will not be due to the cutting to penholder It disappears, convenient for being used for a long time.

In the case where overall dimensions are constant, side is cambered surface, can reduce the materials of penholder, advantageously reduce cost.

Description of the drawings

Its example embodiment is described in detail by referring to accompanying drawing, above and other feature and advantage of the utility model will It becomes readily apparent from.

Fig. 1 is the schematic diagram of embodiment when the utility model pencil is not cut；

Fig. 2 is schematic diagram of the pencil after cutting in Fig. 1；

Fig. 3 is the schematic diagram of the end face of pencil in Fig. 1；

Fig. 4 is the schematic diagram of the end face of another embodiment of the utility model pencil.

In figure：1, pen core；2, penholder；201, the first pencil board；202, the second pencil board；21, side；22, smooth surface.

Specific implementation mode

Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes Formula is implemented, and is not understood as limited to embodiment set forth herein.Although using the term of relativity, example in this specification Relativeness of the component for another component of icon is described such as "upper", "lower", but these terms are used for this explanation Merely for convenient in book, for example, with reference to the accompanying drawings described in exemplary direction.It is appreciated that, if the device of icon overturn It is set to turn upside down, then the component described in "upper" will be as in the component of "lower".The term of other relativities, such as "top", "bottom" etc. also make have similar meaning.When certain structure is in other structures "upper", it is possible to refer to that certain structural integrity is formed In in other structures, or refer to that certain structure is " direct " to be arranged in other structures, or refers to certain structure and set by another structure " indirect " It sets in other structures.Term "one", " one ", "the" and " described " be indicating that there are one or more elements/composition portions Point/etc.；Term " comprising " and " having " to indicate the open meaning being included and refer in addition to list element/ Also may be present except component part/wait other element/component part/etc..Term " first ", " second " only make as label With not being to the limitation of the quantity of its object.

A kind of pencil is provided in the utility model example embodiment, as shown in Figure 1 to 4, the pencil of present embodiment May include pen core 1 and penholder 2.

In the present embodiment, pen core 1 can be that graphite, clay and talcum powder are mixed in a certain ratio and are made, but pen core 1 Ingredient be not limited to this, can also include other ingredients, can also only include one kind in graphite, clay and talcum powder or Two kinds.

The shape of pen core 1 can be cylindric, can also be prism-shaped, such as regular triangular prism, four-prism or hexagonal prisms Deng.In the case that unhewn, the length of pen core 1 can be equal to the length of penholder 2, make the end face of the end face and penholder 2 of pen core 1 It is generally aligned in the same plane.

In the present embodiment, penholder 2 can be wooden or other free machining materials, not do particular determination herein.And pen Bar 2 can be prism structure, which can be regular prism structure, such as regular triangular prism, positive pentagonal prism, regular hexagonal prism etc.； Alternatively, the prism structure can also be the prism structure of non-regular prism, no longer enumerated here.Penholder 2 can be sheathed on outside pen core 1, I.e. pen core 1 is located in penholder 2, and pen core 1 extends to the other end from one end of penholder 2.The central axis of penholder 2 can be with pen core 1 Central axis overlap, i.e., pen core 1 is located at the center of penholder 2.Certainly, pen core 1 is also eccentric is set in penholder 2.

Penholder 2 may include multiple sides 21, and above-mentioned prism structure can be surrounded by multiple sides 21.Each side 21 To be cambered surface, and each side 21 is recessed along the pen core 1 that is radially orientated of penholder 2, forms the depressed area of multiple arcs.It is multiple recessed It falls into area to correspond in each side 21, and each depressed area extends to the other end from one end of penholder 2, to ensure to be recessed Area will not disappear due to penholder 2 is cut, and the radial direction of penholder 2 can be perpendicular to the direction of 2 central axis of penholder.That is, The cross section of penholder 2 may include multiple sides, and each side is to one by one should be in each side 21, and each side is indent Camber line, which can be vertical any section with the central axis of penholder 2.

The radius of each side 21 can be identical, and is uniformly distributed along the axial direction of penholder 2, that is to say, that in the cross of penholder 2 In section, each side is radius identical camber line, feels identical to ensure that the finger of user presses either side 21, no With adjustment posture, it is easy to use.Certainly, the radius of each side 21 can also be different.

The minimum range of each side 21 to the central axis of penholder 2 can be 2.5mm~3mm, in order to adapt to difference The people of finger size holds.Above-mentioned minimum range can be on side 21 position of the central axis closest to penholder 2 with this in Distance between mandrel line, the i.e. bottom of depressed area between 2 central axis of penholder at a distance from.Certainly, above-mentioned minimum range can also More than 3mm or it is less than 2.5mm, does not do particular determination herein.

Adjacent two sides 21 can be connected smoothly by smooth surface 22, to avoid being excessively sharp on penholder 2 Corner angle, keep finger more comfortable.Each smooth surface 22 can be cambered surface, and the radius of each smooth surface 22 is identical, but It is not limited, smooth surface 22 can also be other shapes of curved surface.That is, in the cross section of penholder 2, adjacent two A side can be connected smoothly by smooth curve, and each smooth curve is corresponded in each smooth surface 22, and each Smooth curve can be camber line.

As shown in figure 3, penholder 2 can be bonded by the first pencil board 201 and 202 pairing of the second pencil board, the first pencil The length of plate 201 and the second pencil board 202 is equal to the length of pen core 1.On first pencil board 201 and the second pencil board 202 The groove of pen core 1 can be clamped by being offered by modes such as planings, and the length of the groove is equal to the length of pen core 1.By the first lead After plate 201 and 202 pairing of the second pencil board bonding, pen core 1 can be connected in two groove pairings and be formed by space, be not easy Abjection.Can also be that pencil board closes piece package pen core up and down and then planing forms side 21 and curved surface 22.Penholder 2 it is specific Manufacturing process can refer to the manufacturing process of existing pencil, and this will not be detailed here.

In addition, as shown in figure 4, in another embodiment of the utility model, penholder 2 can also be integral structure.

As shown in FIG. 1 to 3, in the following, with pen core 1 be it is cylindric, penholder 2 be regular triangular prism structure pencil for carry out Description.

Pen core 1 is embedded in penholder 2 along the central axis of penholder 2, and there are three side 21 and three smooth surfaces for the tool of penholder 2 22, wherein：

Three sides 21 are the identical cambered surface of radius, and each side 21 along penholder 2 to be radially orientated pen core 1 recessed It falls into, forms three depressed areas.

Three smooth surfaces 22 are the identical cambered surface of radius, and each smooth surface 22 swells outward.Three smooth songs Face 22 can be uniformly distributed along the circumferential direction of penholder 2 and is spaced one by one with three sides 21, and two neighboring side 21 passes through a light Sliding curved surface 22 is connected smoothly.

When in use, the index finger and thumb of user can respectively press on any two side 21, and the middle finger of bending can It is resisted against on another side 21.

It is other shapes for pen core 1, penholder 2 is the embodiment of other prism structures such as hexagonal prisms, be can refer to above-mentioned Embodiment, this will not be detailed here.

Each side 21 of the pencil of the utility model example embodiment, penholder 2 is cambered surface, and along penholder 2 It is radially orientated the recess of pen core 1, compared to the side of plane form, is more in line with the finger face shape of user's finger；It is pressed in finger face When being pressed on side 21, referring to face can match with depressed area, carry out a degree of cladding to referring to face by side 21, can reduce hand The deformation extent of finger reduces the senses of discomfort such as fatigue, ache, is conducive to use for a long time.Simultaneously as each depressed area is from penholder 2 one end extends to the other end so that depressed area will not disappear due to the cutting to penholder 2, convenient for being used for a long time.In addition, In the case that overall dimensions are constant, side 21 is cambered surface, can reduce the materials of penholder 2, advantageously reduce cost.

It should be appreciated that the utility model be not limited in its application to this specification proposition component detailed construction and Arrangement.The utility model can have other embodiment, and can realize and execute in many ways.Aforementioned change Shape form and modification are fallen in the scope of the utility model.It should be appreciated that this reality of this disclosure and restriction It is mentioned or all alternative groups of two or more apparent independent features with the novel text and/or drawings that extend to It closes.All these different combinations constitute multiple alternative aspects of the utility model.Embodiment described in this specification is said The best mode for becoming known for realizing the utility model is illustrated, and those skilled in the art will be enable new using this practicality Type.

Claims (8)

1. a kind of pencil, which is characterized in that including：

Pen core；

Penholder is sheathed on outside the pen core, and the penholder is the prism structure that multiple sides surround, and each side is arc Face, and it is radially orientated the pen core recess along the penholder, to be correspondingly formed the depressed area of multiple arcs, each recess One end of penholder described in Qu Juncong extends to the other end.

2. pencil according to claim 1, which is characterized in that the radius of each side is identical.

3. pencil according to claim 1, which is characterized in that the minimum of each side and the central axis of the penholder Distance is 2.5mm~3mm.

4. according to claims 1 to 3 any one of them pencil, which is characterized in that adjacent two side passes through smooth surface It is connected smoothly.

5. pencil according to claim 4, which is characterized in that the smooth surface is cambered surface.

6. pencil according to claim 5, which is characterized in that the radius of each smooth surface is identical.

7. according to claims 1 to 3 any one of them pencil, which is characterized in that the penholder is consolidated by two pencil board pairings Surely it forms, the pen core is held between two pencil boards；Alternatively, the penholder is an integral structure.

8. according to claims 1 to 3 any one of them pencil, which is characterized in that the pen core is cylindric or prism-shaped knot Structure.