CN208993344U

CN208993344U - A kind of Anti-fall pencil

Info

Publication number: CN208993344U
Application number: CN201820756372.0U
Authority: CN
Inventors: 胡瑜
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-05-21
Filing date: 2018-05-21
Publication date: 2019-06-18
Anticipated expiration: 2028-05-21

Abstract

The utility model relates to a kind of Anti-fall pencil, including pen core and penholder, the penholder is coated on the outside of the pen core, characterized in that the penholder includes the first clad, protective layer and the second clad successively coated from inside to outside；When pencil falls, protective layer can play good damping, shock-absorbing functions, to prevent pen core disconnected by shake.

Description

A kind of Anti-fall pencil

Technical field

The utility model relates to a kind of stationeries, in particular to a kind of Anti-fall pencil.

Background technique

Pencil is mainly made of pencil-lead and penholder, is a kind of to be used to write and dedicated class of drawing sketch.Its In, penholder is generally made of timber；Pencil-lead is then mainly made of graphite；Pencil-lead is pushed down with wooden penholder when production. Graphite hardness for pencil-lead is lower frangible, therefore is easily broken off after dropping and leads to not normal use, needs replacing new Pencil causes to waste.

Utility model content

To solve the above-mentioned problems, the utility model lies in that providing a kind of Anti-fall pencil, vibration can be reduced by having, and be prevented Pencil-lead is shaken the characteristics of breaking, shattering when pencil is dropped.

Technical solution adopted in the utility model are as follows:

A kind of Anti-fall pencil, including pen core and penholder, the penholder are coated on the outside of the pen core, the penholder include from It is interior to the first clad, protective layer and the second clad that successively coat outside.

Further, the protective layer is structural member made of flexible material.

Further, the flexible material is foam or flexible plastic.

Further, the lead for retractable pencil is structural member made of graphite or color pigment.

Further, one end end of the penholder is provided with erasing rubber, and the cross sectional dimensions of the erasing rubber is greater than described The cross sectional dimensions of penholder.

Further, the erasing rubber is detachably arranged at one end end of the penholder.

Further, the cross section full-size of the penholder is D, 5mm≤D≤10mm.

Further, the length of the penholder is L, 100mm≤L≤200mm.

Further, the shape of the penholder is square column type or cylinder or elliptical cylinder-shape.

Further, the shape of the penholder is square column type.

Further, the lateral wall of the penholder is provided with anti-skid structure.

Further, the anti-skid structure is multiple annular grooves around the penholder border.

The utility model has the beneficial effects that

Anti-fall pencil provided by the utility model, because the penholder of cladding pen core is set as the first clad, protective layer With the second clad three-decker, the second clad is born when pencil falls, and impact force is transmitted to protective layer from rum point, protection The impact force is absorbed and is dispersed to the entire figure of protective layer by layer, and the impact force after being dispersed is transmitted to the first clad again, First clad further absorbs dispersion to remaining impact force, is finally transmitted at pen core by the first clad again；It hits After the dispersion of power protected seam when being transmitted to the first clad again, compared with the larger impact force generated in small area be dispersed into compared with The smaller impact force of large area distribution, and lesser impact force is more uniform is transmitted on the first clad, therefore, pen core The case where power being subject to is smaller and more uniform, dispersion, can more avoid pen core from breaking, break.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the top view of Anti-fall pencil as described in the examples；

Fig. 2 is the front view of Anti-fall pencil as described in the examples；

Fig. 3 is the structural schematic diagram of Anti-fall pencil described in embodiment 2；

Fig. 4 is the structural schematic diagram of Anti-fall pencil described in embodiment 3.

Figure label are as follows:

1, the second clad；2, protective layer；3, the first clad；4, lead for retractable pencil；5, erasing rubber；6, packing element；7, annular groove.

Specific embodiment

To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.

Embodiment 1:

As shown in Figure 1, 2, a kind of Anti-fall pencil is present embodiments provided, includes pen core 4 and penholder, penholder is coated on pen core 4 outside, wherein penholder is by 1 three-decker of the first clad 3, protective layer 2 and the second clad that successively coats from inside to outside It collectively constitutes.The pen core 4, the first clad 3, protective layer 2, the second clad 1 are arranged concentrically.

Anti-fall pencil based on above structure, because penholder uses the first clad, protective layer, the second cladding from inside to outside The design of layer, shaking force passes sequentially through the second clad, protective layer, the first clad when pencil falls；Wherein, the second cladding Layer, protective layer, the first clad are the separate structure successively coated, can be effective when vibration passes through the structure of different levels It attenuates；Therefore, good damping, shock-absorbing functions are played in the setting of protective layer, are broken, are shattered so as to prevent pen core from being shaken； Furthermore it is designed by the three-decker of the first clad, protective layer, the second clad, is weakened severely, absorbs by protective layer Remaining shaking force afterwards is further weakened through the first clad again, protects lead for retractable pencil preferably in this way；Such as lead The second clad is born when pen falls, and impact force is transmitted to protective layer from rum point, which is absorbed and dispersed by protective layer To the entire figure of protective layer, the impact force after being dispersed is transmitted to the first clad again, and the first clad is further to remnants Impact force absorb dispersion, be finally transmitted at pen core by the first clad again；It is transmitted again after the dispersion of impact force protected seam When to the first clad, the smaller shock in larger area distribution has been dispersed into compared with the larger impact force generated in small area Power, and lesser impact force is more uniform is transmitted on the first clad, therefore, the power that pen core is subject to is smaller and more Even, dispersion, the case where capable of more avoiding pen core from breaking, break.

Specifically, the material that protective layer 2 uses is flexible material, and flexible material damping, the performance of shock-absorbing are relatively good.And And having when being arranged in this way in the structure sheaf that the second clad of soft protective layer outer cladding is hard, such as layer of wood There are the feel that will not influence to hold while damping, shock-absorbing and writing effect.

Preferably, flexible material is foam or flexible plastic, it is preferable that flexible material is foam, as PU foam, EPE are (precious Pearl cotton), EPDM (ethylene propylene diene rubber), foam have it is flexible, light-weight, quickly pressure-sensitive fixation, it is easy to use, bending from Such as, volume is ultra-thin, a series of features of reliable performance, has good damping, shock-absorbing effect, further, the foam used for EPDM, EPDM are at low cost, elasticity is good；It can be cut together with protective layer when user cuts Anti-fall pencil provided in this embodiment Fall, it is very convenient.

Meanwhile lead for retractable pencil 4 of graphite or color pigment by being made, wherein the lead that pigment and clay binder are mixed Core 4 can be used for painting.

Meanwhile the shape of penholder is square column type or cylinder or elliptical cylinder-shape, further, the shape of penholder is square column Shape preferably holds convenient for user.

Meanwhile the cross section full-size of penholder is D, 5mm≤D≤10mm, full-size D can be set according to user's demand It sets.

Meanwhile the length of penholder is L, the length L of 100mm≤L≤200mm, penholder can be arranged according to user's demand.

Embodiment 2:

As shown in Figure 1, 2, 3, a kind of Anti-fall pencil is present embodiments provided, includes pen core 4 and penholder, penholder is coated on pen The outside of core 4, wherein penholder is by 1 three-layered node of the first clad 3, protective layer 2 and the second clad that successively coats from inside to outside Structure collectively constitutes.The pen core 4, the first clad 3, protective layer 2, the second clad 1 are arranged concentrically.

Anti-fall pencil based on above structure, because penholder uses the first clad, protective layer, the second cladding from inside to outside The design of layer, shaking force passes sequentially through the second clad, protective layer, the first clad when pencil falls；Wherein, protective layer is set It sets and plays good damping, shock-absorbing functions, break, shatter so as to prevent pen core from being shaken；Furthermore it by the first clad, protects The three-deckers such as sheath, the second clad design, in shaking force again through the first clad after protective layer weakens significantly, absorbs Remaining shaking force further weakens, and such lead for retractable pencil is preferably protected.

Meanwhile the shape of penholder is square column type or cylinder or elliptical cylinder-shape, further, the shape of penholder is square column Shape.

Preferably, one end end of penholder is provided with erasing rubber 5, erasing rubber 5 by PVC material addition additive (ATBC, DOP, DBP) it is made, wherein the right end end of penholder is plugged in packing element 6, and one end of erasing rubber 5 is plugged on the right end of packing element 6, Further, the cross sectional dimensions of erasing rubber 5 is greater than the cross sectional dimensions of penholder；When the Anti-fall pencil that embodiment provides falls, One end with erasing rubber 5 first lands, and the effect of damping drop resistant is further functioned as, while wiping convenient for user, using grafting Mode connect convenient for user dismantle or install.

Embodiment 3:

As shown in Fig. 1,2,4, a kind of Anti-fall pencil is present embodiments provided, includes pen core 4 and penholder, penholder is coated on pen The outside of core 4, wherein penholder is by 1 three-layered node of the first clad 3, protective layer 2 and the second clad that successively coats from inside to outside Structure collectively constitutes.The pen core 4, the first clad 3, protective layer 2, the second clad 1 are arranged concentrically.

Preferably, the lateral wall of penholder is provided with anti-skid structure, and the setting of anti-skid structure can allow user preferably to hold Hold pencil.

Preferably, anti-skid structure is annular groove 7, and annular groove 7 is circumferentially positioned at the border of penholder；Annular groove 7 It is simple while design holds convenient for user, beautiful.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replacement, it should be covered within the scope of the utility model.

Claims

1. a kind of Anti-fall pencil, including pen core and penholder, the penholder is coated on the outside of the pen core, characterized in that the pen Bar includes the first clad, protective layer and the second clad successively coated from inside to outside, and the protective layer is flexible material system At structural member, second clad be hard structure sheaf.

2. Anti-fall pencil according to claim 1, characterized in that the flexible material is foam either soft plastic.

3. Anti-fall pencil according to claim 1, characterized in that the pen core is knot made of graphite or color pigment Component.

4. Anti-fall pencil according to claim 1, characterized in that one end end of the penholder is provided with erasing rubber, institute The cross sectional dimensions for stating erasing rubber is greater than the cross sectional dimensions of the penholder.

5. Anti-fall pencil according to claim 1, characterized in that the cross section full-size of the penholder is D, 5mm≤D ≤10mm。

6. Anti-fall pencil according to claim 1, characterized in that the length of the penholder is L, 100mm≤L≤200mm.

7. Anti-fall pencil according to claim 5, characterized in that the shape of the penholder be square column type or cylinder or Person's elliptical cylinder-shape.

8. Anti-fall pencil described according to claim 1 or 4 or 5 or 6 or 7, characterized in that the lateral wall of the penholder is provided with Anti-skid structure.

9. Anti-fall pencil according to claim 8, characterized in that the anti-skid structure is around the more of the penholder border A annular groove.