KR910004500Y1 - Valve of marking pen - Google Patents

Abstract

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Description

Valve arrangements for instruments for writing or applying liquids

1 is a perspective view of a valve device according to the present invention.

2 is a development plan view of the spring bearing of the valve device according to the present invention.

3 is a central longitudinal sectional view of a marking pen using the valve device of FIGS. 1 and 2;

4 is a perspective view of a conventional valve device.

* Explanation of symbols for main parts of the drawings

1: spring support 1 ': cylinder

2: cylinder portion 3: edge portion

4 valve rod 5 piston part

6: shaft barrel 7: writing member

8: front axis 9: ink induction pipe

10: valve spring 11: valve seat

12: valve device 13: ink tank

14: Cap 16: Rib

17: plug 18: bowl

19: fixture 20: 0-ring

21: Sheet 22: Home

23: opening 24: cutout

25: tapered shape

This invention relates to the improvement of the valve apparatus in the mechanism for writing or apply | coating liquid bodies, such as writing ink, a liquid cosmetic material, a liquid pharmaceutical liquid paint, and a liquid adhesive.

In this kind of mechanism, in the valve device for controlling the supply of the liquid between the liquid tank and the writing or applying member at the tip, there are some configured by using a valve rod as a piston and a spring receiver as a cylinder. .

In the valve device of such a conventional structure, as shown in FIG. 4, the edge part 3 of the cylinder part 2 in the spring support 1 is cut off substantially perpendicularly to the axis line.

That is, since the ribs 16 connected to the cylinder 1 'are formed only at equal intervals in the horizontal state, the valve rod 4 is mounted on the cylinder portion 2 of the spring receiver 1 as shown in FIG. When the piston part 5 of) is inserted, the pressure in the cylinder part 2 is rapidly increased, and a large amount of liquid is suddenly discharged.

When a large amount of liquid is suddenly discharged in this manner, problems such as excessive flow of the liquid from the coating or writing member and dripping.

This invention has been made in view of the above-mentioned point, and an object of this invention is to gradually increase the discharge amount of the liquid, so that the liquid can be smoothly supplied, so that the liquid is not dripping down or has a device for writing or applying. A valve device is provided.

A feature of this invention for achieving the above object is a valve device for controlling the supply amount of the liquid in the writing or coating mechanism of the liquid body, the valve rod to the piston, the spring receiving cylinder to the liquid In the valve apparatus for forcibly pushing the upper body, the valve rod (piston) enters and exits so that the opening of the opening of the spring bearing (cylinder) gradually increases.

Further, as a means for the opening to gradually increase, a tapered portion is formed in the opening, a groove that gradually becomes shallow toward the inner wall of the spring bearing, or the inner diameter of the spring bearing gradually increases toward the outside. You may also do so.

Hereinafter, embodiments of this invention will be described in detail with reference to the accompanying drawings.

In FIG. 1, (1) is a spring support of the valve device 12, (2) is a cylinder part formed in the spring support 1, (3) is an edge part of this cylinder part 2, (4) is a valve rod.

The spring bearing 1 is tapered from the edge portion 3 of the rear end of the cylinder portion 2 and has a rib 16 that is thinly connected at the end, and a cylinder formed at the rear end of the rib 16. (1 '). The front end of the cylinder 1 'is supported by the valve spring 10 fitted to the valve bar 4, and the hole receives the rear end of the valve bar 4. As shown in FIG.

In addition, the valve seat 11 is attached to the front end of the spring bearing 1.

2 is an exploded view cut out in the axial direction to better show the configuration of the cylinder portion 2, the ribs 16, and the cylinder 1 'of the spring bearing 1.

As shown in the figure, three openings 23 are formed at equal intervals from the edge portion 3 of the cylinder portion 2 toward the cylinder 1 ', which may be more or less than three.

The opening portion 23 is composed of a cutout portion 24 on the cylinder 1 'side and a tapered portion 25 on the cylinder portion 2 side.

On the other hand, although not shown in addition to the above-described embodiment, a groove that gradually becomes shallow toward the front may be formed on the inner wall surface of the cylinder portion 2 of the spring bearing 1. These grooves are formed to approximately the middle of the cylinder portion 2, and the number of these grooves may be one or a plurality, or the grooves may be linear or spiral in the axial direction.

In addition, the inner diameter of the cylinder portion 2 may be gradually increased in the rearward direction. In this case, the terminal is not formed in the rib 16 and the cylinder portion 2 so that the movement of the valve rod 4 is not disturbed.

The marking pen using the valve apparatus shown in FIG. 1 and FIG. 2 is shown in FIG.

In the marking pen of FIG. 3, the front shaft 8 in which the writing member 7 is mounted at the distal end of the shaft 6 is screw-fitted, and the front end hole of the shaft 6 allows ink to be supplied to the writing member 7. The ink guide pipe 9 is fixed, and between them a sheet 21 having an air replacement groove 22 is mounted.

In addition, a valve device 12 shown in FIGS. 1 and 2 is mounted to the outside of the ink guide pipe 9 via a fastener 19, and the cartridge type ink tank 13 is attached to the fastener 19. FIG. Is freely mounted in the axial direction.

In addition, a 0-ring 20 is installed between the valve seat 11 and the fixture 19 in front of the valve device 12 to prevent the leakage of ink, and the deposit of the liquid body in the ink tank 13. Bowl (18) is put to stir.

The right side of the ink tank 13 is fitted with a plug 17 in the cylinder 6 so that the tank 13 does not come out. The cap 14 fitted inside the plug 17 is knocked out when the marking pen is used. When used as a member, when not in use, the writing member 7 can be blocked to store the marking.

The rear end of the ink induction pipe 9 is fitted into the piston 5 of the valve rod 4 and engaged.

In the marking pen as described above, the configuration except for the improved portion of the cylinder portion 2 of the valve device 12 is common.

Referring to the operation of the marking pen configured as described above, the ink tank 13 is moved to the left side as the cap 14 on the right side of the marking pen is first pressed in FIG. The spring bearing 1 and the valve seat 11 inside the fixture 19 move simultaneously, and the cylinder 1 'connected to the rib 16 compresses the valve spring 10.

Accordingly, the ink in the ink tank 13 flows through the opening 23 of the valve device 12 while the cylinder portion 2 of the valve device 12 is separated from the piston part 5 of the valve rod 4. Ink in (13) gradually flows into the ink induction pipe (9), and moves to the writing member (7) side along the induction pipe (9).

When the cap 14 is released in such a state, the parts moved to the left side by the restoring force of the valve spring 10 are moved to the right side, and the cylinder portion 2 of the spring bearing 1 Since the opening 23 is gradually blocked while moving toward the piston portion 5 of the rod 4, a pressure is applied to the inside of the spring support 1, and the opening 23 is cut out as shown in FIG. 2. 24) and the tapered portion 25, so that the pressure applied to the spring bearing 1 can be gradually applied.

In addition, unlike the above-described embodiment, the valve rod is formed on the inner wall of the spring support 1 instead of the opening 23 so as to be gradually shallowed inwardly (not shown), or even if the inner diameter is gradually increased outwardly. Since the amount of the ink pushed by (4) gradually decreases, the effect can be obtained as in the case described above.

As described above, according to the valve device according to the present invention, the liquid can be supplied by gradually increasing the discharge amount according to the pressing operation of the marking pen so that the liquid can be supplied. There is an effect that can solve the defect.

Claims (4)

A valve device for controlling the amount of supply of a liquid in a writing or applying mechanism of a liquid, the valve device for forcibly pushing the liquid by using the valve rod 4 as a piston and the spring support 1 as a cylinder. In the instrument for writing or applying a liquid, characterized in that the opening of the opening 23 of the spring holder (cylinder) 1 on the side of the valve rod (piston) 4 is gradually increased. Valve device for controlling the amount of liquid supplied. 2. The cutout portion 24 is formed in the opening portion 23, and the cutout portion 24 is tapered to the tapered portion 25 so that the supply amount of the liquid body in the writing or applying mechanism of the liquid body is determined. Valve device for controlling. 2. The valve device according to claim 1, wherein the supply amount of the liquid body in the writing or applying mechanism of the liquid body is formed on the inner wall of the spring receiver (1) with a groove gradually shallowing inward. 2. The valve device according to claim 1, wherein the supply amount of the liquid body in the writing or applying mechanism of the liquid body is gradually increased toward the outside of the spring support (1).