CN203666172U

CN203666172U - Novel pencil

Info

Publication number: CN203666172U
Application number: CN201420026407.7U
Authority: CN
Inventors: 岳圆
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-01-16
Filing date: 2014-01-16
Publication date: 2014-06-25
Anticipated expiration: 2024-01-16

Abstract

The utility model discloses a novel pencil, and relates to a school supply. The novel pencil protects the environment and comprises a plurality of leads. According to the novel pencil, a driving rod doing helical motion around a pencil cap drives an ejector rod to move axially, so that the pencil leads are driven to move along the axes and extend out, and wood waste caused by removing the outer wall of an existing pencil is avoided. The novel pencil is made of plastic, use of wood is avoided, and the environment is protected. A plurality of the pencil leads are arranged in a pencil lead rack, one pencil lead can be replaced at any time after being used up, and use is convenient.

Description

A kind of novel pencil

Technical field

The utility model relates to a kind of stationery, specifically a kind ofly deposits function and can save the novel pencil of timber with lead for retractable pencil.

Background technology

Pencil, as a kind of study article, can be used for writing and drawing, and in the time of clerical error, can wipe with rubber.No matter be pupil, junior school student, or university student, social work personnel, no matter be in school, family or office space, all have a wide range of applications.Common pencil comprises lead for retractable pencil and rod, and rod wraps up lead for retractable pencil to be convenient to be affectedly bashful and lead for retractable pencil is played a protective role.Along with the use of pencil, the friction between pencil and paper is constantly carried out, and makes the lead for retractable pencil exposing wear and tear and shorten gradually, now needs outer field rod to eliminate to make new lead for retractable pencil to expose.In the time that pencil length is less than 5cm, because of length too short being not easy to be affectedly bashful, while now writing, can exist the phenomenon of rocking and the font of writing out no longer attractive in appearance.Therefore, the pencil that length is less than 5cm by a lot of people abandons, and has caused the waste of lead for retractable pencil.Someone has designed a kind of environment protection type pencil for this reason, and as a kind of environment protection type pencil that Chinese patent 2012201046738 is announced, lead for retractable pencil length is less than rod length, and in the time of lead for retractable pencil curtailment, the length of rod is enough to make people to hold pencil to write operation.The capable of saving pencil device that Chinese patent 2012205824470 is announced when pencil residue length is shorter while being inconvenient to hold, ejects pencil-lead so that pencil-lead exposes by the fore-set being enclosed within on the body of rod on pencil outer wall, and is convenient to the grasping of pencil from rod.Above-mentioned patent is still with timber and makes pencil, and waste timber, is unfavorable for the protection of ecological environment.The Multi-cored pencil that Chinese patent 2012205196039 is announced, provides a kind of pencil that is provided with more than two lead for retractable pencil in the shaft of a writing brush, solves the problem that existing pencil lead is single, but fails really to solve pencil problem easy to use.

Utility model content

One of the purpose of this utility model is to provide a kind of environment protection type pencil, to replace timber to be used for the protection of lead for retractable pencil and to be beneficial to the grasping of pencil; Two of the purpose of this utility model is to provide a kind of Multi-cored pencil, installs more than two lead for retractable pencils in pencil barrel, for solving the low problem of existing pencil utilization rate.

The technical scheme in the invention for solving the technical problem is: a kind of novel pencil, comprise lead for retractable pencil and be arranged on the penholder of lead for retractable pencil outside for the protection of lead for retractable pencil, it is characterized in that, described penholder comprises the tubular grip part and the taper clamping part that are connected, the one cylindrical shape lead for retractable pencil support of depositing spare lead core by blind hole is nested with in the inner chamber of described grip part, in described lead for retractable pencil rack bore, be nested with one and slide over the lead for retractable pencil sleeve pipe of lead for retractable pencil periphery for the protection of lead for retractable pencil, the lower end of described lead for retractable pencil sleeve pipe be arranged on clamping part tip for preventing end in contact on the damping piece of the automatic landing of lead for retractable pencil, and outside described lead for retractable pencil sleeve pipe bottom, be arranged with a limited block coordinating with lead for retractable pencil bracket bottom end in contact,

Be provided with at least one and the vertically disposed drive rod of push rod being placed on push rod free end in described lead for retractable pencil rack bore, and described drive rod coordinates with the spirality sidewall of the cylindric cap for brush, the described cap for brush is dismountable is arranged on the upper end of grip part and for limiting the axial displacement of lead for retractable pencil support, and described drive rod moves to drive push rod along the movement of self axis and orders about the movement of lead for retractable pencil by extruding along the hand of helix of cap for brush sidewall.

Further, in the inner chamber on described lead for retractable pencil support top, be threaded connection a guide pipe, described guide pipe is nested with the outside of push rod and for the slip of push rod guiding is provided.

Further, the tapered lower end of described lead for retractable pencil support coordinates to limit lead for retractable pencil support along self axially downward displacement with the conical internal cavity of penholder clamping part.

Further, between described penholder clamping part tip and damping piece, be provided with a tip down for damping piece being carried out to spacing taper nib.

Further, be provided with external screw thread at described push rod middle part, be provided with on described guide pipe top and the internal thread of described push rod threaded engagement, realize auxiliary spacing to lead for retractable pencil by threaded engagement.

Further, on described lead for retractable pencil support, be provided with at least two degree of depth and be less than lead for retractable pencil length for depositing the blind hole of spare lead core.

Further, the described cap for brush comprises the installation portion and the spire that are connected, is provided with the internal thread coordinating with penholder upper end inner thread on described installation portion.

Further, described penholder, the cap for brush, nib, lead for retractable pencil support and lead for retractable pencil sleeve pipe are working of plastics.

Further, described damping piece is the rubber parts adapting with written tip.

The beneficial effects of the utility model are: the novel pencil that the utility model provides, drive the axial displacement of push rod by the drive rod around cap for brush screw, to drive lead for retractable pencil to realize stretching out of lead for retractable pencil along the movement of self axis, the timber waste of having avoided existing pencil to cause by eliminating outer wall; This pencil adopts plastic material to make, and refined use of exempting from timber, is beneficial to environmental protection; In lead for retractable pencil support, be placed with multiple lead for retractable pencils, after a lead for retractable pencil uses, can change at any time lead for retractable pencil, easy to use.

Brief description of the drawings

Fig. 1 is the schematic diagram of the utility model embodiment mono-;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is the cutaway view of lead for retractable pencil support;

Fig. 4 is the top view of embodiment bis-;

In figure: 10 grip parts, 11 clamping parts, 2 nibs, 3 damping pieces, 4 lead for retractable pencils, 40 spare lead cores, 5 lead for retractable pencil sleeve pipes, 6 lead for retractable pencil supports, 61 cylindrical grooves, 62 lead for retractable pencil holes, 7 guide pipes, 81 installation portions, 82 spires, 91 push rods, 92 fixed disks, 12 drive rods, 13 limited blocks, 14 handles.

Detailed description of the invention

As shown in Figure 1 and Figure 2, the utility model comprises penholder, nib 2, damping piece 3, lead for retractable pencil 4, spare lead core 40, lead for retractable pencil sleeve pipe 5, lead for retractable pencil support 6, guide pipe 7, installation portion 81, spire 82, push rod 91, fixed disk 92, drive rod 12 and limited block 13, below in conjunction with accompanying drawing, the utility model is described in detail.

Embodiment mono-:

Penholder is the working of plastics of tubular, comprises the grip part 10 of top cylinder shape and the clamping part 11 of lower cone shape, the actions such as the grip part realization of penholder is write by holding, drawing.In the conical cavity of clamping part 11, be equipped with a nib 2, nib 2 is the working of plastics of circular cone tubular, and down, nib relies on outer conical surface to squeeze in the conical cavity of penholder bottom clamping part to realize radial location at the tip of nib.In written lower lumen, be filled with a damping piece 3, this damping piece 3 is cone shape rubber parts, be provided with a cylindrical hole, and the aperture of this through hole is slightly less than the outside dimension of lead for retractable pencil on damping piece 3 center lines.After lead for retractable pencil extend in the through hole of damping piece 3, the through hole in damping piece is squeezed, and lead for retractable pencil is clamped.In the inner chamber of the top gripping portion of penholder 1, be equipped with a lead for retractable pencil support 6, lead for retractable pencil support 6 entirety are a columnar working of plastics, the bottom of lead for retractable pencil support 6 is tip taper down, and is resisted against by this tapering part and on the internal chamber wall of penholder clamping part, realizes straight down spacing of lead for retractable pencil support.After lead for retractable pencil support 6 is placed in penholder, the top of lead for retractable pencil support 6 is lower than one section, penholder top.The upper end of barrel grip is provided with internal thread, and one with the externally threaded cap for brush and this screw-internal thread fit effect and couple together with penholder is dismountable.The cap for brush comprises the installation portion 91 of bottom and the spire 92 on top, installation portion 91 is annular working of plastics, installation portion 91 comprises two annulus that are connected up and down, the annulus of bottom is threaded with penholder by external screw thread, the annulus on top is stacked in the top of penholder, and the external diameter of top annulus is identical with penholder external diameter, the comfort level while grasping to improve and the aesthetic property of pencil.Meanwhile, the bottom of bottom annulus contacts with the upper surface of lead for retractable pencil support to realize to straight up spacing of lead for retractable pencil support.

In the inner chamber of lead for retractable pencil support 6, be equipped with a lead for retractable pencil sleeve pipe 5, lead for retractable pencil sleeve pipe 5 is columnar plastic tube, 6 one sections, lead for retractable pencil support is stretched out in the lower end of lead for retractable pencil sleeve pipe 5, and the lower surface of this section of lead for retractable pencil sleeve pipe 5 contacts with the upper surface of damping piece 3, to realize spacing to damping piece.Be fixed with an annular stop piece 13 in the periphery of lead for retractable pencil sleeve pipe bottom, this limited block 13 contacts with the bottom of lead for retractable pencil support, to realize lead for retractable pencil sleeve pipe along self axial upwards spacing.The upper end of lead for retractable pencil sleeve pipe 5 is lower than one section of lead for retractable pencil support 6 upper end, on lead for retractable pencil support 6 center lines of this section, be provided with a cylindrical groove 61, and cylindrical groove 61 internal diameters are greater than the external diameter of lead for retractable pencil sleeve pipe, and be provided with internal thread on these cylindrical groove 61 inwalls, one is installed together by screw thread is dismountable with externally threaded guide pipe 7 and the cylindrical groove 61 on lead for retractable pencil support 6 tops.Guide pipe 7 is columnar working of plastics, and the lower end of guide pipe 7 withstands on the upper surface of lead for retractable pencil sleeve pipe 5 and realizes the axial limiting to lead for retractable pencil sleeve pipe, and the internal diameter size of guide pipe is identical with the outside dimension of lead for retractable pencil.The upper end of guide pipe is upwards extended and is stretched out 81 1 sections of installation portions, upwards extends a spire 82 in the upper end of installation portion 81, and spire 82 is a spiral working of plastics, and installation portion 81 is integrated with spire 82.On guide pipe internal chamber wall, be provided with internal thread, one push rod 91 is threaded with guide pipe, push rod 91 is columniform working of plastics, the lower end of push rod 91 contacts with the lead for retractable pencil being nested with in lead for retractable pencil sleeve pipe, the upper end of push rod 91 is fixed with a fixed disk 92, and fixed disk 92 is columniform working of plastics, and on fixed disk 92, a drive rod 12 is extended perpendicular to push rod axial direction in edge, drive rod 12 is clipped in spire 82 spaces, and drive rod outside dimension and spire void size adapt.When around ejector rob axis when clockwise rotating drive rod 12, drive rod moves along the hand of helix of spire 82, drive rod rotates around push rod on one side, an edge ejector rob axis is to moving down; Because drive rod and push rod are connected, so push rod rotates around self axis; Push rod is threaded with guide pipe again, and guide pipe is fixed on lead for retractable pencil support, moves down so push rod moves down and promote lead for retractable pencil.Push rod is threaded with guide pipe, can carry out the spacing of upward direction vertically to lead for retractable pencil, and when preventing from writing, paper makes to move on lead for retractable pencil to the reaction force of lead for retractable pencil.Due to the rotation of the rotating drive push rod of drive rod 12, therefore the effect of spire 92 be dodge drive rod 12 along ejector rob axis to movement.Meanwhile, spire 92 can increase the comfort level while grasping pencil, and keeps the aesthetic property of pencil entirety.For ease of rotation of drive rod 12, and further increase the aesthetic property of pencil, be fixed with a dish type handle 14 at the free end of drive rod.

For making to deposit more lead for retractable pencil in this novel pencil, on lead for retractable pencil support, be provided with at least one lead for retractable pencil hole 62, lead for retractable pencil hole 62 is the blind hole adapting with lead for retractable pencil shape, in lead for retractable pencil hole, insert spare lead core 40, and the degree of depth in lead for retractable pencil hole 62 is slightly less than the length of spare lead core 40, make spare lead core upper end expose one section, lead for retractable pencil hole, take to facilitate.In the time that the lead for retractable pencil length in lead for retractable pencil sleeve pipe 5 does not reach instructions for use, the spare lead core in lead for retractable pencil hole 62 40 can be taken out, be then placed in lead for retractable pencil sleeve pipe 5.Along with constantly carrying out of writing, lead for retractable pencil is worn gradually, exposes written lead for retractable pencil length and shortens; Now, can clockwise rotate drive rod 12, to drive push rod axially to move down along self, push rod 91 promotes lead for retractable pencil and moves down, so that lead for retractable pencil is released from nib until meet and write requirement.

Embodiment bis-:

Only be with the difference of embodiment mono-, push rod is polished rod, and push rod slides in lead for retractable pencil sleeve pipe; Drive rod is at least two along fixed disk circumferential arrangement, and in the time that drive rod clockwise rotates, drive rod moves along the helix of spire, and drive rod drives push rod to move down along self axis simultaneously, exposes nib to promote lead for retractable pencil.Now, the effect of spire be for drive rod along ejector rob axis to move down guiding be provided.While writing, paper is to the reaction force acts of lead for retractable pencil on push rod and drive rod, and drive rod withstands on spire, and spire and installation portion are integrated, and installation portion is fixedly connected with penholder, therefore, can avoid lead for retractable pencil axially to move up along self.

Claims

1. a novel pencil, comprise lead for retractable pencil and be arranged on the penholder of lead for retractable pencil outside for the protection of lead for retractable pencil, it is characterized in that, described penholder comprises the tubular grip part and the taper clamping part that are connected, the one cylindrical shape lead for retractable pencil support of depositing spare lead core by blind hole is nested with in the inner chamber of described grip part, in described lead for retractable pencil rack bore, be nested with one and slide over the lead for retractable pencil sleeve pipe of lead for retractable pencil periphery for the protection of lead for retractable pencil, the lower end of described lead for retractable pencil sleeve pipe be arranged on clamping part tip for preventing end in contact on the damping piece of the automatic landing of lead for retractable pencil, and outside described lead for retractable pencil sleeve pipe bottom, be arranged with a limited block coordinating with lead for retractable pencil bracket bottom end in contact,

2. a kind of novel pencil according to claim 1, is characterized in that, in the inner chamber on described lead for retractable pencil support top, is threaded connection a guide pipe, and described guide pipe is nested with the outside of push rod and for the slip of push rod guiding is provided.

3. a kind of novel pencil according to claim 1, is characterized in that, the tapered lower end of described lead for retractable pencil support coordinates to limit lead for retractable pencil support along self axially downward displacement with the conical internal cavity of penholder clamping part.

4. a kind of novel pencil according to claim 1, is characterized in that, is provided with a tip down for damping piece being carried out to spacing taper nib between described penholder clamping part tip and damping piece.

5. a kind of novel pencil according to claim 2, is characterized in that, is provided with external screw thread at described push rod middle part, is provided with and the internal thread of described push rod threaded engagement on described guide pipe top, realizes auxiliary spacing to lead for retractable pencil by threaded engagement.

6. a kind of novel pencil according to claim 1, is characterized in that, is provided with at least two degree of depth and is less than lead for retractable pencil length for depositing the blind hole of spare lead core on described lead for retractable pencil support.

7. a kind of novel pencil according to claim 1, is characterized in that, the described cap for brush comprises the installation portion and the spire that are connected, is provided with the internal thread coordinating with penholder upper end inner thread on described installation portion.

8. a kind of novel pencil according to claim 1, is characterized in that, described penholder, the cap for brush, nib, lead for retractable pencil support and lead for retractable pencil sleeve pipe are working of plastics.

9. a kind of novel pencil according to claim 4, is characterized in that, described damping piece is the rubber parts adapting with written tip.