CN203305704U

CN203305704U - Novel propelling pencil

Info

Publication number: CN203305704U
Application number: CN2013202947219U
Authority: CN
Inventors: 王月忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-05-28
Filing date: 2013-05-28
Publication date: 2013-11-27
Anticipated expiration: 2023-05-28

Abstract

The utility model provides a novel propelling pencil. The problems that time taken to cut a traditional pencil and wood materials are wasted are solved, and the defects that a lead of a propelling pencil is broken easily and retreats easily due to the fact that the lead cannot be clamped tightly are overcome. The novel propelling pencil comprises a first outer shell, a second outer shell, a fixing cover, a positioning rod, a connecting line, a fixing pin and a lead. The novel propelling pencil is characterized in that the first outer shell and the second outer shell are generally same in shape, the semi-conical end of the first outer shell and the semi-conical end of the second outer shell are a first outer shell conic portion and a second outer shell conic portion respectively, the most part of the rest of the first outer shell and the most part of the rest of the second outer shell are a first outer shell column part and a second outer shell column respectively, one end of the first outer shell column part and one end of the second outer shell column part are respectively provided with a fixing groove with the depth being H, the center of the inner face of the first outer shell and the center of the inner face of the second outer shell are respectively provided with a lead groove matched with the diameter of the lead, and an inner line groove parallel to the lead groove and communicated with the lead groove is formed below the lead groove of the first outer shell.

Description

A kind of new mechanical pencil

Technical field

The utility model relates to pencil, relates in particular to a kind of propelling pencil.

Background technology

Pencil is length, extensive and a large amount of writing implements that use of a kind of history, and people have all over the world carried out long-term, a large amount of research, improve manufacturing process and the preparation method of pencil, and pencil commonly used comprises conventional wooden pencil and propelling pencil.The conventional wooden pencil, in use along with pencil-lead constantly spends, need be removed wooden shell from pencil one end gradually with instrument, makes pen core exposed, therefore needs the expensive time, and this pencil has spent a large amount of timber simultaneously, waste resource, adverse environment protection; Although and propelling pencil has advantages of to save timber and save and cuts a time, exist the easily broken and pencil-lead of pencil-lead and hold the defect of not tightly easily shrinking back, therefore its application is restricted.

Summary of the invention

The purpose of this utility model is exactly to solve the defect that above-mentioned prior art pencil exists, a kind of new mechanical pencil is provided, both solved the waste of traditional pencil and cut a time and timber resources problem, and overcome again the easily broken and pencil-lead of pencil-lead that propelling pencil exists and hold the defect of not tightly easily shrinking back.

The technical scheme of the utility model technical solution problem is: a kind of new mechanical pencil, comprise the first shell, second housing, fixed cover, backstay, line, steady pin, pen core, it is characterized in that, described the first shell is substantially identical with described second housing shape, one end of described the first shell and described second housing half cone-shaped is respectively the first shell tapering and second housing tapering, all the other major parts are respectively the first shell post section and second housing post section, it is the holddown groove of H that one end of described the first shell post section and described second housing post section has the degree of depth, the inner face central authorities of described the first shell and described second housing are provided with the pen core groove suitable with described pen core diameter, the described pen core groove below of described the first shell is provided with interior wire casing parallel with described pen core groove and that be communicated with, described the first shell offers aperture vertical with described pen core groove and that be communicated with in described the first shell tapering with described the first shell post section intersection, the outside of the first shell is provided with outer wire casing between described aperture and holddown groove, one end outside of described the first shell and described second housing is provided with external screw thread, one end of described fixed cover is provided with internal thread, described backstay be one section with the thick cylinder such as described pen core, the one end has an annular groove.The double-deck column that described steady pin is a high H of being, thickness is complementary with described holddown groove and end width consubstantiality less, that other end width is larger is connected.

Annular groove and the described backstay of the middle part of described line by described backstay one end is fastenedly connected, two line ends of described line are passed to described aperture and holddown groove from described the first shell inner face respectively, to stretch out the outer described line tension of aperture and holddown groove and two line ends will be fastenedly connected mutually, or by described two line ends through slide block and the three is fastenedly connected, remove unnecessary line, at this moment the described line in the outside embeds described outer wire casing, and inboard described line embeds described interior wire casing.Described pen core and described backstay are placed in the described pen core groove of described the first shell, make described pen core towards described the first shell tapering and make described pen core stretch out described the first shell tapering appropriate, the line end of described backstay is described the first shell tapering dorsad, its other end is near described pen core, by described the first shell and described second housing amalgamation affixed, this being fixedly connected with can be used existing various technology such as glue, screw, overcoat etc.Described steady pin is inserted in the holddown groove of both sides, is threaded with described the first shell and described second housing with described fixed cover, make described steady pin press described in holddown groove] line can not move it, namely can be used to use.

Further, the other end of described fixed cover is installed with cylindric rubber.

Further, described line has aperture.

Further, the described line that is positioned at described outside line slot part is installed with a plurality of narrow meshed knots.

Further, the length of described pen core and described backstay total is less than the length of the first shell.

Further, described pen core groove and backstay can be made different size dimensions according to described pen core.

Further, the width of described steady pin one end is a bit larger tham or equals the external diameter of described a kind of new mechanical pencil, and the other end is slightly smaller than the internal diameter of described fixed cover inner thread mouth.

When the extension of described pen core uses or falls short of, unscrew described fixed cover, at this moment described steady pin is removed the pressuring action of the described line that is positioned at described the first shell holddown groove bottom place, with sharp shaped material, choose the aperture be provided with into the described line that is positioned at described outer wire casing, or promotion slide block, and make described the first shell tapering direction dorsad and move, thereby pull described backstay to move to described the first shell tapering direction, and promote described pen core and move to described the first shell tapering direction, control the mobile range of described line, make described cartridge exposing outside appropriate, when cartridge exposing is too much, with foreign object, prop up described pen core and slightly firmly make its retraction, make described cartridge exposing outside appropriate, tighten described fixed cover, pencil can be used again.After whole section pen core use, unscrew described fixed cover, the new pen core that the cut-off footpath is identical, push gradually reservoir hole to pen core and only expose outside only in right amount, tightens described fixed cover, and pencil can be used again.

The beneficial effects of the utility model are: because pen core of the present utility model can be the arbitrary size size, and also reusable so the scope of application is wide, and save timber, the favorable environment protection, and make people save the time sharpened a pencil.

The accompanying drawing explanation

Fig. 1 is the first shell inner face front schematic view.

Fig. 2 is the first enclosure front schematic view.

Fig. 3 is the first shell side view.

Fig. 4 is second housing inner face front schematic view.

Fig. 5 is the second housing side view.

Fig. 6 is the utility model embodiment 1 connecting line construction enlarged drawing.

Fig. 7 is the connecting line construction enlarged drawing that the utility model embodiment 2 is positioned at outer wire casing place.

Fig. 8 is the backstay front schematic view.

Fig. 9 is the fixed cover front schematic view.

Figure 10 passes the first shell mechanism schematic diagram after line connects backstay again.

Figure 11 is the steady pin front elevation.

Figure 12 is the first shell post cross section figure.

Figure 13 is the pencil schematic diagram after each component connects combination.

Figure 14 is pencil (movable block is arranged) schematic diagram after each component connects combination.

Figure 15 is the cross-sectional view that each component connects the pencil after combining.

The specific embodiment

A kind of new mechanical pencil, comprise the first shell, second housing, fixed cover 1, backstay 2, line 3, steady pin 4, pen core 15, it is characterized in that, described the first shell is substantially identical with described second housing shape, one end of described the first shell and described second housing half cone-shaped is respectively the first shell tapering 5 and second housing tapering 6, all the other major parts are respectively the first shell post section 7 and second housing post section 8, it is the holddown groove 9 of H that one end of described the first shell post section 7 and described second housing post section 8 has the degree of depth, the inner face central authorities of described the first shell and described second housing are provided with the pen core groove 10 suitable with described pen core 15 diameters, described pen core groove 10 belows of described the first shell are provided with interior wire casing 11 parallel with described pen core groove 10 and that be communicated with, described the first shell offers aperture 12 vertical with described pen core groove 10 and that be communicated with in described the first shell tapering 5 with described the first shell post section 7 intersections, the outside of described the first shell is provided with outer wire casing 13 at described

aperture

12 and 9 of holddown grooves, one end outside of described the first shell and described second housing is provided with external screw thread, one end of described fixed cover 1 is provided with internal thread, described backstay 2 be one section with the thick cylinder such as described pen core, the one end has an annular groove 14.The double-deck column that described steady pin 4 is a high H of being, thickness is complementary with described holddown groove 9 and end width consubstantiality less, that other end width is larger is connected.

The annular groove 14 of the middle part of described line 3 by described backstay 2 one ends is fixedly connected with described backstay 2, two line ends of line 3 are passed to described aperture 12 and holddown groove 9 from described the first shell inner face respectively, to stretch out aperture 12 strains and two line ends is fastenedly connected mutually with the described line 3 outside holddown groove 9, or by described two line ends through slide block 16 and the three is fastenedly connected, remove unnecessary line, at this moment the described line 3 in the outside embeds described outer wire casing 13, and inboard described line 3 embeds described interior wire casing 11.Described pen core 15 and described backstay 2 are placed in the described pen core groove 10 of described the first shell, make described pen core 15 towards described the first shell tapering 5 and make described pen core 15 stretch out described the first shell tapering 5 appropriate, the line end of described backstay 2 is described the first shell tapering 5 dorsad, its other end is near described pen core 15, by described the first shell and described second housing amalgamation and be fastenedly connected, this being fastenedly connected can be used existing various technology such as glue, screw, overcoat etc.Described steady pin 4 is inserted in the described holddown groove 9 in both sides, be threaded with described the first shell and described second housing with described fixed cover 1, make the described line 3 that described steady pin 4 presses in holddown groove 9 that it can not be moved, namely can be used to use.

Further, the other end of described fixed cover 1 is installed with cylindric rubber.

Further, the described line 3 in the utility model embodiment 1 has aperture.

Further, the described line 3 that is positioned at described outer wire casing 13 parts in the utility model embodiment 2 is installed with a plurality of narrow meshed knots.

Further, the length of described pen core 15 and described backstay 2 totals is less than the length of the first shell.

Further, described pen core groove 10 and described backstay 2 can be made different size dimensions according to described pen core 15.

Further, the width of described steady pin 4 one ends is a bit larger tham or equals the external diameter of described a kind of new mechanical pencil, and the other end is slightly smaller than the external diameter of described a kind of new mechanical pencil.

Claims

1. new mechanical pencil, comprise the first shell, second housing, fixed cover (1), backstay (2), line (3), steady pin (4), pen core (15), it is characterized in that, described the first shell is substantially identical with described second housing shape, one end of described the first shell and described second housing half cone-shaped is respectively the first shell tapering (5) and second housing tapering (6), all the other major parts are respectively the first shell post section (7) and second housing post section (8), it is the holddown groove (9) of H that one end of described the first shell post section (7) and described second housing post section (8) has the degree of depth, the inner face central authorities of described the first shell and described second housing are provided with the pen core groove (10) suitable with described pen core (15) diameter, described pen core groove (10) below of described the first shell is provided with interior wire casing (11) parallel with described pen core groove (10) and that be communicated with, described the first shell offers aperture (12) vertical with described pen core groove (10) and that be communicated with in described the first shell tapering (5) with described the first shell post section (7) intersection, the outside of described the first shell is provided with outer wire casing (13) between described aperture (12) and holddown groove (9), one end outside of described the first shell and described second housing is provided with external screw thread, one end of described fixed cover (1) is provided with internal thread, described backstay (2) be one section with the thick cylinder such as described pen core, the one end has an annular groove (14), described steady pin (4) is a high H of being, thickness and described holddown groove (9) be complementary and an end width less, the double-deck column that the consubstantiality that other end width is larger connects, the middle part of described line (3) is fixedly connected with described backstay (2) by the annular groove (14) of described backstay (2) one ends, two line ends of described line (3) pass described aperture (12) and holddown groove (9) from described the first shell inner face respectively, stretching out aperture (12) is fastenedly connected mutually with described line (3) tension and two line ends outside holddown groove (9), the described line (3) that connects the outside embeds described outer wire casing (13), inboard described line (3) embeds described interior wire casing (11), described pen core (15) and described backstay (2) are placed in the described pen core groove (10) of described the first shell, described pen core (15) is towards described the first shell tapering (5) and stretch out described the first shell tapering (5) in right amount, the line end of described backstay (2) is described the first shell tapering (5) dorsad, its other end is near described pen core (15), described the first shell and described second housing amalgamation also are fastenedly connected, described steady pin (4) is inserted in the described holddown grooves in both sides (9), described fixed cover (1) is threaded with described the first shell and described second housing.

2. a kind of new mechanical pencil according to claim 1, is characterized in that, the other end of described fixed cover (1) is installed with cylindric rubber.

3. a kind of new mechanical pencil according to claim 1, is characterized in that, described line (3) has aperture.

4. a kind of new mechanical pencil according to claim 1, is characterized in that, the described line (3) of described outer wire casing (13) part is installed with a plurality of narrow meshed knots.

5. a kind of new mechanical pencil according to claim 1, is characterized in that, is positioned at the fastening slide block of described line (3) (16) of described outer wire casing (13).

6. a kind of new mechanical pencil according to claim 1, is characterized in that, the length that described pen core (15) and described backstay (2) add up to is less than the length of the first shell.

7. a kind of new mechanical pencil according to claim 1, is characterized in that, described pen core groove (10) and described backstay (2) can be made different size dimensions according to described pen core (15).

8. a kind of new mechanical pencil according to claim 1, is characterized in that, the width of described steady pin (4) one ends is a bit larger tham or equals the external diameter of described a kind of new mechanical pencil, and the other end is slightly smaller than the external diameter of described a kind of new mechanical pencil.