CN100382982C

CN100382982C - Full automatic propelling pencil and lead assembly

Info

Publication number: CN100382982C
Application number: CNB2005100622941A
Authority: CN
Inventors: 陈维屏
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-12-28
Filing date: 2005-12-28
Publication date: 2008-04-23
Anticipated expiration: 2025-12-28
Also published as: CN1792648A

Abstract

The present invention relates to a lead assembly of a full automatic propelling pencil with a telescopic pencil tip. A lead protective valve and a body are connected into a whole which is provided with a lead clamping device at the inner part and is connected with a connecting sleeve to form a lead conveying device. The lead clamping device is formed by that a lead clamping block with a steel ball is externally connected with a spring and a spring seat and then matched with the conical surface on the inner wall of the body. The lead conveying device is formed by that the outside of a lead tube with a spring is movably connected with a connecting sleeve, the other end of the lead tube is movably matched with the body, and a cone on the top end of the lead tube is fitted with the internal taper of the lead clamping block. The lead protective valve is movably sheathed with the body, and both ends of the lead clamping block are respectively inserted into the body and the lead protective valve to ensure concentricity. The lead clamping block is outside sheathed with the spring and the spring seat, and backward and forward dislocation can not occur to the lead clamping block formed from two sections. The present invention has compact structure and fewer parts, and can be made into changeable standard members through specialized production to obtain a pencil assembly like a ball-point pen lead as an independent commodity. The present invention can be exchanged by a consumer, and can be matched with full automatic pencils with different structures and styles for various pencil manufacturing factories.

Description

Full automatic propelling pencil and lead assembly

Technical field

The present invention relates to the core component in a kind of full automatic pencil, the full automatic propelling pencil and lead assembly that it can cooperate the pencil that is assembled into full automatic propelling or full automatic pencil to use with the penholder of the full automatic pencil of various styles, material and thickness.

Background technology

Existing lettering pen is various in style, ball pen, gel ink pen, pen, Parker, propelling pencil, full automatic pencil or the like are arranged, and ball pen, gel ink pen etc. all have interconvertible pen core, pen core write be over or nib damaged all can change again again one new again can be repeatedly, reuse, but existing propelling pencil, full automatic pencil only can be replaced lead for retractable pencil, also there is not whole removable pencil and lead assembly, if in a single day nib or inner body have damaged and whole pen all have to have been lost, bring waste and cause economic loss to the user.

Patent No. CN01214756. " improve property touch propelling pencil " but a kind of single propelling pencil of performance of Development and Production also only is provided.

What patent No. CN03209610.0 " full-automatic telescopic head pencil " provided also is telescopic whole the full automatic pencil of nib., lost efficacy again because of plastic ageing, distortion gradually owing to rely on frictional force to handle in its inside, not long shortcoming in service life is arranged.

Summary of the invention

Technical problem to be solved by this invention is: a kind of full automatic propelling pencil and lead assembly is provided, cooperate assembling to use with the penholder of various styles, it is simple in structure, compact, volume is little, the function that has sandwich, send core, compensates lead for retractable pencil automatically and replace lead for retractable pencil, can be used as a removable standardized component and carry out specialization production, become independently commodity, change voluntarily for the consumer, use, carry more convenient, and the saving resource that cuts the waste.

The present invention addresses the above problem the technical scheme that is adopted: a kind of full automatic propelling pencil and lead assembly, include the sandwich device, send core apparatus, protecting core mouth and body connects into the sandwich device is housed in the integral body, be connected with adapter sleeve again, be equipped with and send core apparatus, described sandwich device is made of the cone match that the sandwich piece that has steel ball is externally connected with on spring and spring abutment and the inner body wall, sandwich piece one end is connected with body, the other end with protect the core mouth and be connected, the described core apparatus that send is by the core pipe that has spring, be connected with adapter sleeve outward, in be connected with body, and core pipe top cooperate with the sandwich piece constitute.

Compared with prior art, advantage of the present invention: protect core mouth and the shared spring of sandwich piece in the middle of this full automatic propelling pencil and lead assembly, play a part two kinds dorsad, and protect core mouth and body and directly be socketed into one, the two ends of sandwich piece are inserted body again respectively and are protected in the core mouth, concentricity, axiality are good, disconnected core and dumb phenomenon can not take place, the spring abutment that the sandwich piece also is with guiding outward makes the sandwich piece that is made of two lobes axial dislocation can not take place, and keeps with moved further always and has strengthened reliable clamping dynamics.Original core mechanism frictionally that send moves down along body, long back of time send core mechanism not reach the function of design because of friction or material aging make, directly influenced writing effect, existing pencil and lead assembly is without the core mechanism that send of this kind structure, effected a radical cure drawback from the source, cooperate with the internal taper hole of sandwich piece and adopt direct end to be made into outer cone the core pipe, directly promotion or distending sandwich piece utilize the lead for retractable pencil deadweight to replace lead for retractable pencil, the core pipe is made the part of core storage tube again simultaneously, greatly compress axial volume, increased the length of lead for retractable pencil.The time spent does not protect the core mouth and also may compress in the penholder in addition, has both prevented the overhanging disconnected core of lead for retractable pencil, can not make dirty again clothes, contaminated environment, stabs skin, uses, carries more convenient, safety.This pencil and lead assembly is simple in structure, compact, few, the easy making of part, can specialization manufacture into removable standarized component, as refill for ball-point pen, Neutral ball-point for ball-point pen, change use as commodity independently voluntarily for the consumer, can with the supporting use of the full automatic pencil of various different structures, style, comprise propelling or not flexible nib, filled up the blank of not having independent full automatic pencil core, thereby the performance that has improved full automatic pencil has increased the full automatic pencil of various designs and varieties again with universal for market.

Description of drawings

Fig. 1, structural representation of the present invention.

Fig. 2, pressing state reference map of the present invention (lead for retractable pencil is sent into and protected the core mouth).

Fig. 3, sandwich apparatus structure enlarged drawing.

The specific embodiment

Below in conjunction with accompanying drawing embodiments of the invention are further described.

Sandwich piece 5, two lobes by symmetry are combined into, adopt high engineering plastics injection moulding, sandwich closes up big outside the centre forms, the interior two little conical bores in two ends, back, and gapped between big conical bore two lobes, the roundlet taper hole just closes up no gap, between two taper holes sandwich positions, there is step surface to cooperate in the middle of the outer surface, two lobes of clamp are not allowed its guarantee reliable clamping that axially misplaces synchronously, have the deep-slotted chip breaker of two symmetries to lay steel ball 6 on sandwich piece 5 outer surfaces with an end face of spring abutment 4.

A, B place have during with penholder 12 assemblings requirement, A face to be in writtenly just to have engaged when overhanging, held the neutral gear that should vacate 1.2mm in face of the B for the conical surface.

In the middle of the body 7 shoulder hole, taper hole are arranged, the taper hole place engages with two steel balls 6.

In the middle of the core pipe 8 shoulder hole is arranged, one is matched with the big conical bore of sandwich piece 5 for taper seat, and other end endoporus gives over to the manipulation of penholder and connects usefulness.

Spring abutment 4 is enclosed within on the sandwich piece 5, and also is with spring 3, one ends on the spring abutment 4 and heads on and protect core mouth 1, and the other end is overlapping spring abutment and heading on sandwich piece 5 middle bench faces, plays a part pre-clamping lead for retractable pencil and compensation lead for retractable pencil automatically.

Sandwich piece 5 inserts in the taper hole of body 7, protect in the core mouth 1 big hole of holding and be enclosed within outside the sandwich piece 5, and the movable riveted in the front end conical surface place that is held in body 7 is fixed into one, again spring 9 and core pipe 8 are inserted in the tail end of body 7, at last adapter sleeve 10 tightly is enclosed within body 7 and the core pipe 8 outer pencil and lead assemblies that are fixed into integral body, lead for retractable pencil 11 is stored in the core pipe 8 and the core pipe in the penholder 12 inserts in the core pipe on the body 7, fixedly connected being integral just becomes full automatic pencil to have write, and the Telescopic of core mouth 1 just can be realized protecting in the gap that pencil and lead assembly and handwriting axially leave 4mm.

After a new pen is filled lead for retractable pencil; as long as with hand press downwards earlier on the full automatic pencil by cap; just promoting core pipe 8 by cap moves down; the conical surface of its end enters in the taper hole of sandwich piece 5; forcing taper hole to squeeze opens; the ambassador's lead for retractable pencil wherein that rises passes from core pipe 8 apertures under the deadweight effect; and pass sandwich piece 5; enter the damping endoporus again; press repeatedly again by cap two; three times; promote core pipe 8 and promote body 7 by spring 9; make the lead for retractable pencil 11 that clamps shape send 1.2mm forward at every turn; when the big end that protects core mouth 1 and body 7 steps head on; spring 9 begins compression; in core pipe 8 and the sandwich piece 5; the outer cone contact; the continuation of core pipe is backed down two lobes of sandwich piece 5 front ends forward; finished and once sent the core action; stretch out through damping 2 up to lead for retractable pencil 11 that protect can be for writing outside 1 mouthful in the core mouth; at this moment the A face that protects the core mouth is contact pen shaft just; end leaves certain interval in face of the B; the effect that lead for retractable pencil 11 is subjected to power because of the paper of conflicting when writing makes protects the core mouth 1 compression spring 3 of drawing back; utilize spring 3 to withstand sandwich piece 5 makes steel ball 6 be close to the inner conical surface of body always; allow sandwich piece 5 clamp lead for retractable pencil 11 and realize self-locking; thereby reach the purpose of normally writing; 11 little exposing of lead for retractable pencil are protected core mouth 1 when writing; time is write long lead for retractable pencil and is consumed and protects core mouth 1 and also shrink back synchronously; at this moment if mention pen; protecting the core mouth stretched forward by damping 2 again by spring 3 active forces lead for retractable pencil 11 is taken out of; the purpose that reaches the automatic transport lead for retractable pencil can continue again to write; when protecting core mouth 1 and in a single day running into unexpected big axial force, spring 9 can play cushioning effect and protect core mouth 1 and be not damaged.If need not the time, will protect collection in the core mouth 1 withdrawal penholder 12, be convenient to safety and carry.

Claims

1. full automatic propelling pencil and lead assembly, include the sandwich device, send core apparatus, it is characterized in that protecting core mouth (1) and body (7) connects into the sandwich device is housed in the integral body, be connected with adapter sleeve (10) again, be equipped with and send core apparatus, described sandwich device is made of the cone match that the sandwich piece (5) that has steel ball (6) is externally connected with on spring (3) and spring abutment (4) and body (7) inwall, sandwich piece one end is connected with body, the other end with protect the core mouth and be connected, the described core apparatus that send is by the core pipe (8) that has spring (9), be connected with adapter sleeve (10) outward, in be connected with body (7), and core pipe (8) top cooperate with sandwich piece (5) constitute.

2. full automatic propelling pencil and lead assembly according to claim 1, it is characterized in that sandwich piece (5) is combined into by two lobes of symmetry, close up big outside the centre forms, the interior two little conical bores in two ends, back, gapped between big conical bore two lobes, the roundlet taper hole just closes up no gap, is sandwich positions between two taper holes.

3. full automatic propelling pencil and lead assembly according to claim 1, it is characterized in that sandwich piece (5) inserts in the termination of body (7), protect in the hole of the big end of core mouth (1) being enclosed within outside the sandwich piece (5), and the front end conical surface place riveted that is held in body (7) is fixed into one.

4. full automatic propelling pencil and lead assembly according to claim 1, it is characterized in that spring (3) is enclosed within on the spring abutment (4), spring abutment (4) is enclosed within on the sandwich piece (5), one end face of spring abutment (4) engages with the step surface of sandwich piece (5) outer surface centre, the end face in addition and the endoporus end joined of protecting core mouth (1) of spring (3).

5. full automatic propelling pencil and lead assembly according to claim 1 is characterized in that inserting in the tail end hole of body (7) with the core pipe (8) of spring (9), and adapter sleeve (10) tightly is enclosed within outside body (7) and core pipe (8), the spring (9).

6. full automatic propelling pencil and lead assembly according to claim 1 is characterized in that in the middle of the core pipe (8) shoulder hole being arranged, and one is matched with the big conical bore of sandwich piece (5) for taper seat, and end is connected with penholder (12) in addition.