CN201268164Y

CN201268164Y - Propelling pencil

Info

Publication number: CN201268164Y
Application number: CNU2008203022680U
Authority: CN
Inventors: 方兆广
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-09-27
Filing date: 2008-09-27
Publication date: 2009-07-08
Anticipated expiration: 2018-09-27

Abstract

A movable pencil relates to the technical field of a writing appliance, which comprises a pencil shaft internally provided with a core storage tube and a pencil head connected with the pencil shaft through a thread, wherein the front end of the pencil shaft is provided with a lead core grip; the part of the pencil shaft, which nears to the lead core grip, is provided with a pair of pulleys; the pulleys are embedded in the pencil shaft wall; and the transverse distance of a lead core chute formed between the pulleys is smaller than or equal to the diameter distance of the cross section of a lead core. Compared with the prior art, the moveable pencil not only has a thick lead core of a wooden pencil, but also has the convenience that a thin lead core moveable pencil does not need to be cut before being used, and can completely replace a wooden pencil.

Description

Propelling pencil

Technical field

The utility model relates to the stationery technical field, especially a kind of propelling pencil of writing, painting of being used to.

Background technology

In the past; the pencil overwhelming majority that people use is Wood-bar pencil; promptly constitute by wooden penholder and the lead for retractable pencil that is embedded in this penholder; such pencil all needs cutting before use; this is very inconvenient for the relatively poor pupil of lower self care ability; and Wood-bar pencil expends a large amount of timber resources, is unfavorable for environmental protection.Then people have invented the press type propelling pencil, promptly constitute by the interior nib of establishing the penholder of core storage tube and being threaded with penholder, the penholder front end is provided with the chuck of blooming that is used for pressing from both sides lead for retractable pencil, the folding of chuck of blooming is controlled by back-moving spring, core storage tube is communicated with the chuck of blooming, active button is equipped with in the rear end of penholder, pressing active button can make back-moving spring control the folding of the chuck of blooming, lead for retractable pencil is moved to the nib place, such propelling pencil only is applicable to thin lead for retractable pencil, and thin lead for retractable pencil exists very easily to cause when writing and breaks lead for retractable pencil and write light-colored deficiency, also just makes it can not replace Wood-bar pencil fully.

Summary of the invention

The purpose of this utility model is to provide a kind of propelling pencil, and it is applicable to the lead bullion core, and it is thin because of lead for retractable pencil to overcome present propelling pencil, the deficiency of easily broken lead for retractable pencil in writing process, and it has removed the trouble of cutting again from simultaneously.

In order to achieve the above object, the technical scheme that the utility model adopted is: establish the penholder of core storage tube and the nib that is connected with penholder by screw thread in it comprises, described penholder front end is provided with the lead for retractable pencil chuck, in the described core storage tube lead for retractable pencil is housed, described penholder is provided with a pair of pulley side by side near described lead for retractable pencil chuck place, described pulley is embedded in the described penholder wall, and the lateral separation of the lead for retractable pencil slideway that forms between two pulleys is smaller or equal to the diameter distance of the cross section of lead for retractable pencil.

The lead for retractable pencil passage that is communicated with above-mentioned core storage tube and described lead for retractable pencil slideway can be funnel-form, the passway that the passway that this lead for retractable pencil passage is connected with described core storage tube is connected with described lead for retractable pencil slideway greater than this lead for retractable pencil passage, to avoid like this causing several lead for retractable pencils to get lodged in the lead for retractable pencil passway, be difficult to arrive down the consequence of lead for retractable pencil passage; Above-mentioned penholder tail end can be provided with erasing rubber, and this erasing rubber is with movable sleeve outward, and this movable sleeve is connected with penholder by screw thread.

Owing to adopted technique scheme, the utility model compared with prior art, the beneficial effect that has is: manufacture craft is simple, not only has the lead bullion core of Wood-bar pencil, and have need not cut before thin lead for retractable pencil propelling pencil uses easy, can replace Wood-bar pencil fully.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the A-A cutaway view of Fig. 1.

Fig. 3 is the B-B cutaway view of Fig. 1.

The specific embodiment

Below in conjunction with the accompanying drawing example, the utility model is described in further detail:

As Fig. 1, Fig. 2 and the utility model shown in Figure 3, the nib 1 that it includes penholder 5 and is connected with penholder 5 by screw thread, penholder 5 is made up of a body 5-1 and a neck 5-2, the two also is by being threaded, in the body 5-1 core storage tube 8 is housed, lead for retractable pencil 6 is housed in the core storage tube 8, neck 5-2 front end is provided with lead for retractable pencil chuck 2, lead for retractable pencil chuck 2 puts in the nib 1,5-2 is provided with the relative rubber pulley 3 in a pair of side on the neck, pulley 3 is embedded in the neck 5-2 wall, the opposing side of pulley is exposed at outside the neck wall, a relative side is in a neck, and the lateral separation of the lead for retractable pencil slideway 4 that forms between the relative side is slightly less than the diameter distance of the cross section of lead for retractable pencil, after the tip of lead for retractable pencil 6 enters lead for retractable pencil slideway 4 like this, rotation is exposed at two outer pulley limits 3 of a neck 5-2, frictional force effect by two pulleys, 3 peripheries, lead for retractable pencil 6 is clamped and moves to lead for retractable pencil chuck 2 places, the lead for retractable pencil passage 7 that is communicated with core storage tube 8 and lead for retractable pencil slideway 4 is a funnel-form, the passway that the passway that this lead for retractable pencil passage is connected with core storage tube 8 is connected with lead for retractable pencil slideway 4 greater than this lead for retractable pencil passage, to avoid like this causing several lead for retractable pencils to get lodged in the lead for retractable pencil passway, be difficult to arrive down the consequence of lead for retractable pencil passage, after if the lead for retractable pencil in the core storage tube uses up, can turn on a body and a neck, directly put into lead for retractable pencil in the core storage tube in the body just passable; Penholder 5 tail ends are provided with erasing rubber 10, and this erasing rubber is with movable 9 covers outward, and this movable sleeve is connected with penholder 5 by screw thread, when using erasing rubber, the rotary moveable cover moves down it, and erasing rubber just exposes like this, after having used, the rotary moveable cover moves up it again, erasing rubber is just ensconced in the movable sleeve like this, avoids being stained with booties such as dust, and erasing rubber is kept clean, after using up, original erasing rubber also can relay a new erasing rubber, practicality very and convenient.

Claims

[claim 1] a kind of propelling pencil, establish the penholder of core storage tube and the nib that is connected with penholder by screw thread in including, described penholder front end is provided with the lead for retractable pencil chuck, in the described core storage tube lead for retractable pencil is housed, it is characterized in that: described penholder is provided with a pair of pulley side by side near described lead for retractable pencil chuck place, described pulley is embedded in the described penholder wall, and the lateral separation of the lead for retractable pencil slideway that forms between two pulleys is smaller or equal to the diameter distance of the cross section of lead for retractable pencil.
[claim 2] propelling pencil according to claim 1, it is characterized in that: the lead for retractable pencil passage that is communicated with described core storage tube and described lead for retractable pencil slideway is a funnel-form, the passway that the passway that this lead for retractable pencil passage is connected with described core storage tube is connected with described lead for retractable pencil slideway greater than this lead for retractable pencil passage.
[claim 3] propelling pencil according to claim 1 is characterized in that: described penholder tail end is provided with erasing rubber, and this erasing rubber is with movable sleeve outward, and this movable sleeve is connected with penholder by screw thread.