CN201659810U

CN201659810U - Press-in type correction fluid pen point

Info

Publication number: CN201659810U
Application number: CN2010201133811U
Authority: CN
Inventors: 沙君杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-02-10
Filing date: 2010-02-10
Publication date: 2010-12-01
Anticipated expiration: 2020-02-10

Abstract

The utility model relates to a press-in type correction fluid pen point which comprises a hollow tubular pen cap. a fluid outlet is formed at a pipe orifice at the lower end of the pen cap; a needle bar with the head being exposed to the pen cap is arranged at the fluid outlet; the lower end of a spring is propped against the needle bar; the upper end of the spring is pressed by a locating part fixedly connected with the pen cap; and the press-in type correction fluid pen is characterized in that the tail part of the needle bar extends upward and is adjacent to position of the upper end of the spring. The tail part of the needle bar upward extends to the position near to the upper end of the spring, so that after the spring is assembled, ,a punch can be adopted to apply impact force to the tail part of the needle bar while the locating part is formed, the needle bar can be further pressed to pipe orifice at the lower end of the pen cap, the needle bar can be closely matched the pen cap, and the pen cap can be totally in a sealed condition. Therefore, the phenomena of the leakage of correction fluid and the blocking of a pen point can be effectively prevented, the quality of the correction fluid is improved, and the press-in type correction fluid pen point is convenient to popularize and sell.

Description

A kind of forced opaquing fluid nib

Technical field

The utility model relates to a kind of opaquing fluid nib, specifically refers to a kind of forced opaquing fluid nib.

Background technology

When mistake occurring in the writing process, often bring and cover wrong literal by opaquing fluid, correction.Wherein opaquing fluid comprises the vessel that is built-in with correction liquid, the opening of this vessel is provided with nib, nib is gone into structure (being integral structure) for common with pressure type again, as Chinese patent Granted publication number for " the forced opaquing fluid nib " of CN201362109Y just disclosed wherein so a kind of structure, it includes the pen cap of hollow tubular, the lower end mouth of pipe of this pen cap forms liquid outlet, be provided with the shank that head exposes to the pen cap at this liquid outlet place, one end of spring is pressed on the afterbody of this shank, other end pressurized is in the locating part that links to each other with pen cap inwall, the lower end mouth of pipe of the pen cap has outer chamfering, the liquid outlet oral area also has interior chamfering, and is globoidal structure for arc transition is connected the tube wall bottom that makes the pen cap between outer chamfering and the interior chamfering.After adopting said structure, when pen cap tube wall bottom is touched mutually with the file paper, just can not scratch the phenomenon of paper, and can make the more even of opaquing fluid covering, can also make fluid smooth more by means of the interior chamfering of liquid outlet simultaneously.

But comparatively common defective of common existence in the present opaquing fluid, that is exactly after the opaquing fluid assembling is finished, always have between the shank of some opaquing fluids and the pen cap lower end mouth of pipe inwall and have the gap, thereby cause opaquing fluid store, transportation, until the user buy during this period of time in correction intravenous extravasation phenomenon takes place, the correction liquid-to-air contact after coagulation of seepage is blocked liquid outlet, cause can not fluid or fluid not smooth, to such an extent as to influence normal use in the future, thereby this defective will directly influence its quality and sale.

The utility model content

Technical problem to be solved in the utility model is at above-mentioned prior art present situation, and a kind of obstruction that causes owing to written blow-by reason and forced opaquing fluid nib of leakage of preventing after assembling is finished is provided.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: this forced opaquing fluid nib includes the pen cap of hollow tubular, the lower end mouth of pipe of this pen cap forms liquid outlet, in the described pen cap, be provided with the shank that head exposes to described liquid outlet, the lower end of spring is pressed on this shank, the upper end pressurized of spring is in the locating part that is connected mutually with the described pen cap, and it is characterized in that: described shank afterbody extends upward and be adjacent to the position, upper end of described spring.

Because the opaquing fluid nib is a micro-element, the aperture of the pen cap is very little, force in shank for the ease of processing, distance between shank afterbody and the spring upper end is H, the span of this H is preferably :-2mm≤H≤5mm, be that the shank afterbody is not less than described spring upper end 2mm, also be not higher than described spring upper end 5mm simultaneously.

In above-mentioned each scheme, the upper end mouth of pipe of the described pen cap can strike out throat structure, and this throat structure has formed described locating part.Described locating part also can adopt conventional structure, adopts the structure of being made up of two arc banking stops at least as locating part, and each arc banking stop goes out formed integral piece by the punching press of described pen cap inwall.Above-mentioned locating part also can adopt the ring plate structure that is stamped to form by pen cap inwall.

Compared with prior art, because the utility model extends upwardly to the afterbody of shank near the spring upper end, thereby after assembling spring, when forming locating part, can utilize drift that the shank afterbody is applied impulsive force, shank will further press in the pen cap lower end mouth of pipe like this, make between the two and match tightly, make it to be in complete sealing state, thereby can prevent effectively that opaquing fluid from leaking and written clogging, improve the opaquing fluid quality, to help its sales promotion.

Description of drawings

Fig. 1 is the structural representation of the utility model first embodiment;

Fig. 2 for Fig. 1 at die-cut arc banking stop of drift and the structural representation of shank afterbody of applying pressure to;

Fig. 3 is the structural representation of the utility model second embodiment;

Fig. 4 for Fig. 3 at the drift extruding pen cap upper end mouth of pipe and the structural representation of shank afterbody of applying pressure to.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Embodiment one, as shown in Figure 1, this opaquing fluid nib includes the pen cap 1 of hollow tubular, shank 2 and spring 3, wherein, the pen cap 1 and shank 2 all adopt copper material to make, the endoporus of the pen cap 1 is not isometrical endoporus, the aperture of bottom endoporus 12 is less than the aperture of top endoporus 13, on, be transition endoporus 14 between the endoporus of bottom, form liquid outlet 15 after the bottom endoporus mouth of pipe reducing of this pen cap, simultaneously, the lower end mouth of pipe of the pen cap has outer chamfering 16, the oral area of liquid outlet has interior chamfering 17, and between outer chamfering and the interior chamfering for arc transition is connected, be globoidal structure 18 and make the tube wall bottom of the pen cap.

Above-mentioned shank 2 is plugged in the pen cap, the head of shank (being the lower end) exposes to pen cap liquid outlet, be with spring 3 on the shank, the afterbody of shank (i.e. upper end) extends upward, in the present embodiment, after the assembling, the afterbody of this shank is adjacent to the spring upper end, and a little less than the spring upper end, height difference H between the two is not more than 2mm, be that the distance that the shank afterbody is lower than spring upper end can be 2mm or 1.5mm, also can flush between the two certainly.

After above-mentioned spring 3 is enclosed within shank 2, the spring lower end is butted on shank, shank is pressed on the liquid outlet place, the upper end pressurized of spring is in the locating part that is connected mutually with the pen cap, in the present embodiment, locating part is made up of the arc banking stop 11 at the inwall place of six transition endoporus 14 that evenly are positioned at the pen cap, each arc banking stop 11 is gone out by drift 4 direct punching presses by the pen cap inwall at this place, see also Fig. 2, the end periphery of drift 4 is evenly equipped with six cutter heads 41, has projection 42 in the middle of the end of drift, when six cutter heads of drift punch out the arc banking stop, the afterbody of this projection and shank offsets, drift is compressed on above-mentioned spring 3 in the pen cap bottom endoporus 12 in the decline process, forces in shank simultaneously, shank is pressed in pen cap lower end mouth of pipe inwall, make between shank and the pen cap inwall close-fitting mutually, thereby prevented that effectively the opaquing fluid nib from stopping up and leaking.

Embodiment two, as shown in Figure 3, itself and the above-mentioned first embodiment difference are, the pen cap 1 ' is isometrical hole, form liquid outlet after the mouth of pipe reducing of lower end, the upper end mouth of pipe of the pen cap also is stamped into throat structure, this throat structure has formed described locating part, see also Fig. 4, the end of drift 4 ' has enlarging 41 ' structure, and the centre of end has projection 42 ' equally, in drift decline process, utilize the upper end mouth of pipe of the enlarging extruding pen cap, make it to form throat structure, the projection 42 ' on the drift is pressed on the afterbody of shank, be about to force in when spring is compressed on the pen cap endoporus shank, shank just presses in pen cap lower end mouth of pipe inwall, makes between shank and the pen cap inwall close-fitting mutually, thereby such scheme can prevent effectively that equally the opaquing fluid nib from stopping up and leaking.。

In addition to the implementation, the utility model also includes other embodiment, is higher than the upper end of spring as the afterbody of shank, and the distance H between shank afterbody and the spring upper end is: be not higher than 5mm, be that distance that the shank afterbody is higher than spring upper end is less than or equals 5mm, all can as 1mm or 3mm.The technical scheme that all employing equivalents or equivalent substitute mode form all should fall within the protection domain of the utility model claim.

Claims

1. forced opaquing fluid nib, include the pen cap (1) of hollow tubular, the lower end mouth of pipe of this pen cap forms liquid outlet (15), in the described pen cap, be provided with the shank (2) that head exposes to described liquid outlet, the lower end of spring (3) is pressed on this shank, the upper end pressurized of spring is in the locating part that is connected mutually with the described pen cap, and it is characterized in that: described shank (2) afterbody extends upward and be adjacent to the position, upper end of described spring (3).

2. forced opaquing fluid nib according to claim 1 is characterized in that: the distance between described shank (2) afterbody and described spring (3) upper end is H, and the span of this H is :-2mm≤H≤5mm.

3. forced opaquing fluid nib according to claim 1 and 2 is characterized in that: the upper end mouth of pipe of the described pen cap strikes out throat structure, and this throat structure has formed described locating part.

4. forced opaquing fluid nib according to claim 1 and 2 is characterized in that: described locating part is made up of two arc banking stops (11) at least, and each arc banking stop goes out formed integral piece by the punching press of described pen cap inwall.