CN86202666U

CN86202666U - Pressure regulation type ball pen

Info

Publication number: CN86202666U
Application number: CN 86202666
Authority: CN
Inventors: 李希里
Original assignee: Individual
Current assignee: Individual
Priority date: 1986-04-25
Filing date: 1986-04-25
Publication date: 1986-12-17

Abstract

The utility model provides a ball pen which can adjust the discharging pressure of the ink. The self-weight pressure of the ball pen is changed into adjustable pressure to let the ink out. The disadvantages of the ball pen that the ink isn't fluent, or the ink is too much caused by without using the ball pen in a long term, or the quality of the ink isn't good are overcome. The trouble and the waste caused by abandoning the core of the ball pen and changing a new one without using up the ink are avoided. The defect that writing in a long time isn't available caused by the upward nib of the ball pen is also overcome. The ball pen of the utility model is provided with a piston whose stroke can be controlled. The principle and the structure are simple. Commercial process can be realized. Supply the market in a large number can be realized.

Description

Pressure regulation type ball pen

The utility model provides a kind of ball pen of regulating the oily outflow pressure of pen, thereby overcomes the unfavorable or fuel-displaced too much shortcoming of oil under the ball pen.

Ball pen came out before atom bomb, former title " ballpoint pen ".Over 50 years,, need not absorb water and refuel with convenient, advantage such as can make carbon copies, replace pencil substantially in many occasions because that ball pen has is simple in structure, cost is low, price is cheap.Though in these years, ball pen is on the style, on the structure, have many progress on many pen cores multicolour.But present ball pen is write know-why, still rests on the reset condition before 50 years, without any improvement.Its fatal shortcoming keeps so far always, can't fundamentally overcome.

The fatal shortcoming of ball pen is: it is unfavorable or fully not down oil often to occur down, can't write; Sometimes opposite again appearance is fuel-displaced too much, pollutes paper and clothing, causes tired brain.Meet this situation.Have to change pen core.We can say that most of pen core needless to say uses up an oil and will throw away, cause some troubles and waste.Form the former so more for some reason of above-mentioned shortcoming, bad as an oil quality, too thick or too rare, sometimes also because of do not use for a long time the pen oily retrogradation due to.Its basic reason is that existing ball pen is to flow out nib by the natural pressure that pen oil is conducted oneself with dignity, and is difficult to fundamentally overcome above-mentioned fatal shortcoming.So, under the vertical situation of paper, because nib upwards also can't be write for a long time.

The purpose of this utility model provides a kind of means, pen oil is flowed out by gravity pressure become the adjustable pressure outflow, makes ball pen write the improvement that know-why has essence, always toos many or too much for use thereby thoroughly overcome an oil, will change the fatal shortcoming of pen core.

The utility model is achieved in that the cylindrical piston of using with the same thickness of conventional pen core tube internal diameter of ball pen, inserts in the pen core tube.In order to seal and to lubricate, can give and in the mouth of pipe, coat earlier seal lubrication agent (as vaseline, butter or lard etc.).At this moment form one section sealing air cabin between an oil and the piston.Piston can be controlled and move forward and backward, thereby makes air tank supercharging or decompression, reaches the purpose of regulating the oily outflow pressure of pen.Also can not wanting air tank, directly piston is pressed on the original sealing oil of pen core, is that such operating flexibility is littler, is everyly depressing the pen core of scrapping certainly, all can use having on the novel ball-point pen of controllable piston, pen oil can be used until exhausted always.This also is what to have proved by experiment.

Conventional pen core tube is about 9cm, the about 8cm of charge of oil.The piston controlled stroke needn't be designed to 8cm, and this also is difficult to realize that the piston controlled stroke has 2～3cm just passable.After pen oil is used up 2～3cm, piston can be transferred to the mouth of pipe, plug again after allowing air enter naturally.Just at this moment air tank has been grown a bit, and operating flexibility is bigger.If will reduce operating flexibility, also can in the shaft of a writing brush, add the thin rod of the about 2～3cm of a segment length, the space of the original pen oil that accounts for.The one-pen core only need add first and second air or thin rod just can to use up pen oily like this.

The piston of adjustable stroke, available metal, plastic or other material is made.Move and can adopt leading screw, feather key or other method realize.If adopt leading screw, can design multiple thread, to increase pitch.Whenever the above stroke of 0.5cm of should having an appointment of turning around is better.

The pressure-adjusting type ball pen is except that with the conventional pen core, but design specialized pen core also.At this moment pen core tube should be more slightly, and an oil capacity is big as far as possible.The cylindrical piston thickness should be supporting with pen core tube, and column sealed is gone up a few circle sealing of processing circular groove.Fill up the seal lubrication agent in the ditch.In addition, should open one on the piston axes line and breathe the duct, be used for replenishing or discharge the interior air of air tank.Opening of the channel seals with draw point plug plug.Also spiracle can be opened on the tube wall of air tank, be used the adhesive plaster sealing label.

Accompanying drawing 1, be special-purpose pen core pressure-adjusting type ball pen embodiment: give in the special-purpose pen core tube (1) and fill pen oil and sealing oil (2) earlier.Unnecessary air when the piston (4) of controlled stroke inserts pen core tube, in the air tank (3) is by breathing duct (5) discharge.Use stopple (6) plug envelope then, when piston moved forward, air was compressed in the sealed compartment, and an oil pressure increases, and oily ability strengthens under the nib.When moving behind the piston, reduce pressure even reduce pressure less than air pressure outside the pen.Thereby reduce the fuel-displaced ability of nib or stop the outflow of pen oil fully.

Accompanying drawing 2, be the cylindrical piston enlarged drawing: be processed with several circles sealing circular grooves (7) on the piston head sealing surface, fill up seal lubrication agent (8) in the ditch.The piston axes line has breathes duct (5), and the duct outlet is sealed with stopple (6) plug.

Claims

1, a kind of ball pen of conventional pen core or special-purpose pen core that uses is characterized in that ball pen is provided with the piston of controlled stroke (4).Piston can insert in the pen core tube (1), and a piston and an oil sealing are closed between the oil (2), forms the air tank (3) of the adjustable pressure of a sealing.Piston directly is pressed on the sealing oil, and no air tank is also passable.

2, according to the described ball pen of claim 1., it is characterized in that being processed with on the piston seal face a few circle sealing circular grooves (7), filled up seal lubrication agent (8) in the circular groove.

3, according to claim 1. or 2. described ball pens, it is characterized in that having on the piston axes line and breathe duct (5), the duct outlet also can be opened spiracle on the air tank tube wall with stopple (6) plug envelope, seals with adhesive plaster.