CN2430690Y

CN2430690Y - Ink blocking pen

Info

Publication number: CN2430690Y
Application number: CN 00217801
Authority: CN
Inventors: 孙霞; 姜文跃
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-05-26
Filing date: 2000-05-26
Publication date: 2001-05-16
Anticipated expiration: 2010-05-26

Abstract

The utility model discloses an ink blocking pen, comprising a pen casing, a pen head shoulder, a pen head sleeve, a pen head core casing and a pen head core, wherein, the pen casing is a cylinder with a hollow middle part, the front section of the pen casing is sheathed with the pen head shoulder, the center of which is sheathed with the pen head sleeve, the pen head core forms an integral shape like the Chinese character 'gan', and the pen head core is sheathed in the pen head core casing, and a one-way control valve is composed of a water outlet hole, a spring, etc. When the ink blocking pen is used, so long as the front section of the pen head core is pressed downwards, the water outlet hole can be opened, and then liquid in a pen flows out. The ink blocking pen can be drawn on the surfaces of various materials to be used for blocking the liquid and can be used for biology, medical laboratories, printing and dyeing industries, circuit board designing industries, etc.

Description

Ink blocking pen

The utility model relates to the equipment of testing usefulness, refers to a kind of Ink blocking pen that is applied to the be drawn on various material surface of field experiment usefulness such as biology, medical laboratory, printing and dyeing especially.

At present Ink blocking pen or pen with similar functions do not have producer or company to produce at home as yet.Though similar products like (trade name: PAP PEN is abroad arranged; Function name: Immunostaining Pen; Manufacturer: The Binding Site Inc address: 5889 Oberlin Drive, Suite 101, San Diego, CA92121; Phone: (800) 633-4484), but the weak point that still has design and use.The external design that has this type of now is to adopt foam nib, two sections retaining valve water outlet controlling schemes.When pressing down nib, foam nib afterbody is upwards pushed outlet valve open, and liquid flows to the foam nib by apopore in the pen, and is stored in the foam nib, after the liquid in the nib uses up, need press down nib once more; If aquifer yield surpasses the moisture storage capacity of foam nib, the interior liquid of pen will pollute picture and write face; Moreover because nib is a segmental structure with valve, the valve opening size is the degree that presses down according to nib, be difficult to accurately control aquifer yield so press down nib, so the size of valve opening is difficult to control naturally.In addition, the pen body at interior night of external existing similar pen is a base material with rosin and wax etc., with organic solvent as solvent, have stronger penetrating odor in use, the lines that drawn are to high temperature, the tolerance of high potential of hydrogen and high ion concentration is lower, and is difficult to when not required remove fully at the trace that is drawn.

The purpose of this utility model is to provide a kind of Ink blocking pen that is drawn on the various material surface, and this Ink blocking pen can be blocked liquid, is widely used in biology, medical laboratory and printing and dyeing, board design.

In order to realize above-mentioned task, the solution that the utility model adopts is: a kind of Ink blocking pen is provided, and this Ink blocking pen comprises: a housing, written shoulder, pen point casing, written core shell, written core; Wherein a housing is a middle cylindrical shape for sky, is provided with the nib shoulder at this housing front end adapter sleeve, the central pen point casing that a cylindrical aperture is arranged and be arranged with a circular tube structure of written shoulder; Its characteristics are:

This nib core shell is the right cylinder of a hollow, comprises written core shell front end and written core shell rear end; This nib core shell front end offers an aperture, is arranged with pen point casing, and should be connected and fixed with the nib shoulder by nib core shell front end; Offer a circular hole on the cylinder of these nib core shell tail end central authorities, and along the apopore that radially also offers at least more than one of this circular hole;

This nib core is the integrated shape that is " doing " shape, comprises written core leading portion, written core stage casing, written core rear;

Should nib core leading portion be thin cylindrical shape wherein, and should be sheathed within the pipe of pen point casing by nib core leading portion have between the cylinder of this nib core leading portion and the round tube inner wall of pen point casing so that the minim gap that liquid flows out in the pen;

Cylinder between this nib core stage casing and the written core rear partly is set within the circular hole that written core shell tail end offered, and is provided with a spring between written core stage casing and written shell core tail end.

Because the effect of spring, nib core rear is pressed on written core shell tail end, make apopore be in closure state, and when using, during the most advanced and sophisticated pressurized of nib core leading portion, this nib core stage casing pushing spring, overcome after the resistance of spring, written core rear is moved up, thereby apopore is opened, the interior liquid of pen this moment can flow into apopore, flow out along pen point casing again, after the tip pressure of written core leading portion is removed, because the acting force of spring, make written core rear return the original place, this moment, apopore was closed.

By structure of the present utility model as can be known, the utility model is compared with traditional product has following beneficial effect: the integrated shape that has adopted " doing " shape of written core in view of the utility model, and be sheathed in the written core shell, and constitute the design of one-way control valve by apopore and spring etc., thereby the structure of this handwriting is more reasonable, aquifer yield is easy to control, and the lines that drawn are even.Because nib is made by stainless steel, make it not easy to wear, and can be drawn on the surface of various material, in order to blocking-up liquid, thereby can be used in widely among the multiple industry such as biology, medical laboratory and printing and dyeing, board design etc.

Below in conjunction with accompanying drawing embodiment of the present utility model is remake a detailed description.

Fig. 1 is the sectional view of embodiment of the present utility model.

Fig. 2 is the written core among the embodiment of the present utility model and the structural drawing of written core shell.

See also illustrated in figures 1 and 2ly, the utility model is a kind of Ink blocking pen that is used among biology, medical laboratory and printing and dyeing, the board design, mainly includes: a housing 1, nib shoulder 2, pen point casing 3, written core shell 4, written core 5; Wherein:

Housing 1 is the cylindrical shape of a hollow, is provided with nib shoulder 2 at the front end adapter sleeve of this housing 1, and there is a cylindrical aperture in nib shoulder 2 central authorities and is arranged with the pen point casing 3 of a circular tube structure, and its characteristics are:

This nib core shell 4 is the right cylinder of a hollow, comprises written core shell front end 41 and written core shell rear end 42; This nib core shell front end 41 offers an aperture, is arranged with pen point casing 3, and should be connected and fixed with nib shoulder 2 by nib core shell front end 41; This nib core rear 42 offers a circular hole 43 on the cylinder of central authorities, and along the apopore 6 that radially also offers at least more than one of this circular hole 43, when it was opened, liquid can flow into the centre of written core shell 4 in the pen;

This nib core 5 is the integrated toroidals that are " doing " shape, comprises written core leading portion 51, written core stage casing 52, written core rear 53; Should nib core leading portion 51 be thin cylindrical shape wherein, and should be sheathed within the pipe of pen point casing 3 by nib core leading portion 51, between the cylinder of this nib core leading portion 51 and the round tube inner wall of pen point casing 3 minim gap is arranged, liquid can flow out by the wall along written core leading portion 51 among the written core shell 4 in the pen.

Cylinder between this nib core stage casing 52 and the written core rear 53 partly is set within the circular hole 43 that written core shell tail end 42 offered, and should can in the middle of written core shell 4, move up and down by nib core 5, and between written core stage casing 52 and written core shell tail end 42, be provided with a spring 7, the acting force of this spring 7 imposes on written core stage casing 52, makes written core stage casing 52 produce downward acting force.Because the effect of spring 7, written core rear 53 is pressed on written core shell tail end 42, makes apopore 6 be in closure state.

When this Ink blocking pen in use, because the most advanced and sophisticated pressurized of written core leading portion 51, these nib core stage casing 52 pushing springs 7, overcome after the resistance of spring 7, written core rear 53 is moved up, thereby apopore 6 is opened, the interior liquid of pen this moment can flow within the written core shell 4 by apopore 6, between the minim gap of pen point casing 3 and written core leading portion 51, flow out again, after the tip pressure of written core leading portion 51 is removed, because the acting force of spring 7 makes written core rear 53 return the original place, this moment, apopore 6 was closed, and the liquid that can not in the pen flows out.

Material selected among embodiment of the present utility model is as follows: pen point casing 3 and written core 5 all adopt stainless steel material to make, thereby in use not easy to wear, have increased serviceable life; Nib core shell 4 is made by nylon spare; Nib shoulder 2 is made by working of plastics, and a housing 1 is made by lead or plastics.

In addition, liquid is used the high molecular hydrophobic industrial chemicals through batching in the pen, precipitation, multiple working procedures such as centrifugal and filtration are made, selected starting material have colourless, and pungency is little, good fluidity, the feature of stable chemical performance, and can be dissolved fully by dimethylbenzene, therefore can be easy to remove, use this pen when doing the medical pathologies section statining, can be on microslide, draw a water blocking ring around histotomy, on the histotomy of dye liquor dropping in circle, water blocking ring can prevent overflowing of dye liquor effectively, to reach the purpose of saving dye liquor, finish the available dimethylbenzene in back in dyeing water blocking ring is removed.

This owing to used the integrated shape of " doing " shape of written core; and be sheathed in the written core shell; and constitute the design of one-way control valve by apopore and spring etc.; make the structure of handwriting more reasonable; aquifer yield is easy to control; the lines that drawn are even, and nib is not easy to wear, thereby Ink blocking pen of the present utility model can be drawn on the surface of various material; in order to blocking-up liquid; as dye liquor, acid ﹠ alkali liquid etc. also can be by drawing a circle with the outflow of liquid in the circle band to the pollution at protected position; reach the purpose of saving valuable dye liquor; thereby make this Ink blocking pen can be widely used in biology, medical laboratory and printing and dyeing, multiple industry such as board design.Have the composition employing hydrophobic industrial chemicals of organic polymer and the organic solvent of an interior liquid formulated again, it is little to have pungency, good fluidity, the feature of chemical stabilization.

Claims

1, a kind of Ink blocking pen comprises: a housing, written shoulder, pen point casing, written core shell, written core; Wherein a housing is a middle cylindrical shape for sky, is provided with the nib shoulder at this housing front end adapter sleeve, the central pen point casing that a cylindrical aperture is arranged and be arranged with a circular tube structure of written shoulder; It is characterized in that:

This nib core shell is the right cylinder of a hollow, comprises written core shell front end and written core shell rear end;

This nib core shell front end offers an aperture, is arranged with pen point casing, and should be connected and fixed with the nib shoulder by nib core shell front end;

Offer a circular hole on the cylinder of these nib core shell tail end central authorities, and along the apopore that radially also offers at least more than one of this circular hole;

Should nib core leading portion be thin cylindrical shape wherein, be sheathed in the pipe of pen point casing between the cylinder of this nib core leading portion and the round tube inner wall of pen point casing minim gap is arranged;

Cylinder between this nib core stage casing and the written core rear partly is sheathed in the circular hole that written core shell tail end offered, and is provided with a spring between written core stage casing and the written shell core tail end.