CN2487557Y

CN2487557Y - Writing pen on blackboard with replaceable writing point

Info

Publication number: CN2487557Y
Application number: CN 01230586
Authority: CN
Inventors: 郑昌辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-07-22
Filing date: 2001-07-22
Publication date: 2002-04-24
Anticipated expiration: 2011-07-22

Abstract

The utility model discloses a writing pen on blackboard with a replaceable writing point, which comprises a penholder, a pen cap, a pen sheath, a spacing ring , a mandril, a pressing spring and a replaceable writing point, and is characterized in that the pen sheath is covered at the front end of the penholder, the center of the pen sheath is provided with a penpoint; the middle of the front end of the penholder is fixed with the spacing ring, the middle of the spacing ring is provided with the mandril, and one pressing spring is covered at the stern post of the mandril; the inner core of the penholder is covered by a replaceable writing point. When the utility model is used, only the mounted writing pen on blackboard is used for writing on blackboard, when the ink in the writing point is used up, the replaceable writing point can be removed, and a new writing point can be mounted for further use.

Description

A kind of writing on the blackboard pen of replaceable pen core

The utility model relates to teaching aid, a kind of specifically writing on the blackboard pen that can change pen core after use voluntarily.

Writing on the blackboard mainly is the place that is used to impart knowledge to students, healthy in order to ensure user and learner, and great change is taking place in this product at present.Modern running water writing on the blackboard pen (blank pen) is exactly its representative.In the Chinese patent: 932143354:96202527; 97205448; The structure and the suction China ink of all having stated writing on the blackboard pen (blank pen) such as 96202203 and 0022923, store and regulate, irritate devices such as China ink and sealing.Obviously, many people are at this replacement chalk, realize having descended not little and even many time on the product of non-environmental-pollution, but all have complex structure, and have many attachment devices and to the user make troubles wait difficult.

The literature search relevant according to Chinese patent etc. show, still finds no with the utility model similarly at present, promptly can directly change the writing on the blackboard pen of pen core.

The purpose of this utility model is that a kind of dustless environment-friendly type will be provided, and simple in structure, firm, write conveniently, can change the novel writing on the blackboard pen of pen core after the use voluntarily.

The purpose of this utility model is achieved in that a kind of writing on the blackboard pen of a kind of replaceable pen core of being made up of penholder, the cap for brush, the pen cap, a dirt, spacing ring, push rod, stage clip, replaceable pen core etc., it is characterized in that: a penholder is arranged, the front end of penholder is with the pen cap, and the center of the pen cap is equipped with nib; The front end center fixed restraining position ring block of penholder, the centre of spacing ring are equipped with the little push rod of the big tail of a stature, are with a stage clip on the stern post of push rod; The inner core of penholder is with replaceable pen core.Its front end inner core of described penholder is provided with the push rod lasso that is fixed as one with it; The fixing lasso of the described pen cap and nib is 5～12 sub-multiple angle shapes, and its five equilibrium the top of the horn place establishes little groove; Described replaceable pen core, its centre, termination of being inserted in the penholder inner core is provided with steel ball, and its afterbody grows 5～10mm than penholder.Passable during use as long as carry out writing on the blackboard with mounted pen of the present utility model, after the ink in the pen core uses up,, it is extracted out from the rear end of pen as long as catch replaceable pen core with hand, promptly another new pen core can be inserted in the penholder and use.

The utility model is modified into a replaceable pen core because on the basis of original writing on the blackboard pen (blank pen) with its rear end ink-feeding device, utilizes push rod under the effect of stage clip the steel ball at pen core center to be backed down, and the ink outflow in the pen core is used for nib.While the utility model is fixedly installed on top stem casing in the middle of the penholder, not only simple on the structure, and it is firm, stable and cheap, practical, also can not cause losing when discharging, in addition, the utility model has used the groove of 5～12 sub-multiple angle shapes and sharp corner in the pen cap and nib bearing, what the requirement of the external diameter Size Error that is shaped for nib just showed like this is little many, thereby has alleviated the difficulty of nib processing.Therefore, the utility model can reach like fixed purpose.

The concrete structure of utility model is provided by following embodiment and accompanying drawing.

Fig. 1 is a topology view of the present utility model.

Fig. 2 is the pen cap zoomed-in view of the utility model head hexagon mouth shape.

A penholder (1) is arranged among Fig. 1, and the front end of penholder (1) is with the pen cap (2), and the center of the pen cap (2) is equipped with nib (3); The front end center fixed restraining position ring block (4) of penholder (1), the centre of spacing ring (4) is equipped with push rod (5), and the tail of push rod (5) is leant on and is with a stage clip (6); The inner core of penholder (1) is with replaceable pen core (7).Passable during use as long as mounted pen carried out writing on the blackboard.As long as will extract pen core out, change new pen core and promptly can continue to have used during replacing from this rear end.

Claims

1, a kind of writing on the blackboard pen of a kind of replaceable pen core of forming by penholder, the cap for brush, the pen cap, a dirt, spacing ring, push rod, stage clip, replaceable pen core etc., it is characterized in that: a penholder is arranged, and the front end of penholder is with the pen cap, and the center of the pen cap is equipped with nib; The front end center fixed restraining position ring block of penholder, the centre of spacing ring are equipped with the little push rod of the big tail of a stature, are with a stage clip on the stern post of push rod; The inner core of penholder is with replaceable pen core.

2, the writing on the blackboard pen of a kind of replaceable pen core according to claim 1 is characterized in that: its front end inner core of described penholder is provided with the push rod lasso that is fixed as one with it.

3, the writing on the blackboard pen of a kind of replaceable pen core according to claim 1 is characterized in that: the fixing lasso of the described pen cap and nib is 5～12 sub-multiple angle shapes, and its five equilibrium the top of the horn place establishes little groove.

4, the writing on the blackboard pen of a kind of replaceable pen core according to claim 1 is characterized in that: described replaceable pen core, and its centre, termination of being inserted in the penholder inner core is provided with steel ball, and its afterbody grows 5～10mm than penholder.