JP3355991B2 - Knock type applicator - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a knock type applicator incorporating a coating liquid such as a black liquid, a paint, a writing liquid such as ink, a cosmetic liquid such as an eyeliner or a lip color, a handwriting correction liquid, and an adhesive.

[0002]

2. Description of the Related Art Conventionally, an application body such as a pen tip is fixed to an opening at a tip end of a shaft cylinder having a coating liquid accommodation section formed therein, and a valve mechanism is disposed between the application body and the application liquid accommodation section. There is known an applicator made of such a material. This applicator releases the valve mechanism by pressing a knocking part and moving a movable member arranged in the shaft cylinder, and discharges the application liquid from the storage part toward the application body to enable writing. .

In the above-described applicator, when a coating liquid having a viscosity of about several milliPa · S is used, the coating liquid discharged from the coating liquid storage easily penetrates to the tip of the coating body. To go. However, as a coating liquid, a liquid drawing material such as a paint, a writing liquid such as an ink, a cosmetic liquid such as an eyeliner, a lip color, a handwriting correction liquid, and a viscosity such as an adhesive having a high viscosity of about 20 to 1000 mPa · S. When a coating liquid is used, the flowability of the coating liquid is low, so that it takes a long time for the coating liquid discharged from the coating liquid storage unit to penetrate to the tip of the coating body. There has been proposed an applicator that solves this problem and allows the coating liquid to reach the tip of the coating body in a short time even when a high-viscosity coating liquid is used. For example, in Japanese Utility Model Laid-Open Publication No. 1-128886,
An application tool is described in which a cylindrical body that moves back and forth in conjunction with a knock operation is inserted into the brush ear from the rear end of the brush head. In this applicator, at the time of knocking, the valve mechanism is released, and the cylinder moves forward in the brush, and the coating liquid that moves freely in the cylinder is a cylinder positioned near the tip of the brush. Since the liquid is discharged from the opening of the body, the coating liquid reaches the tip of the coated body in a short time.

[0004]

However, in the case of the applicator described in Japanese Utility Model Laid-Open Publication No. 1-128886, when the tip of the cylindrical body is brought close to the tip of the applicator, the applicator is cracked. Is excessively discharged, which may cause problems such as dropping of the liquid and the inability to obtain a uniform coating surface. In the above applicator, when the application body is made of a fiber core or a molded body instead of brush ears, in order to bring the tip of the cylinder closer to the tip of the application body, a hole in which the cylinder slides near the tip of the application body. Therefore, there is a problem that the pressure resistance of the coated body is reduced and the coated body is easily broken. Furthermore, after use, the coating liquid remaining in the coating body forms a solidified substance or a thickened substance with time and closes the flow passage. There is a possibility that it does not penetrate to the tip of the application body. For the above reasons, it is difficult to slide the cylinder to the vicinity of the tip inside the coating body, and therefore, the effect is insufficient as a method for the coating liquid to reach the tip of the coating body in a short time. . SUMMARY OF THE INVENTION It is an object of the present invention to provide a knock- type applicator in which a coating liquid reaches a tip of a coating body in a short time even when a high-viscosity coating liquid is used.

[0005]

According to the present invention, an application body is disposed at an opening at a tip end of a shaft cylinder having an application liquid container formed therein.
Oite The coating member and the knock-type applicator formed by arranging a valve mechanism between the receiving portion, slidably disposed a coating member receiving tube on the outside of the applicator body, the applicator housing pipe The gist of the invention is a knock-type applicator that is interlocked with the valve mechanism.

[0006]

In the knock type applicator according to the present invention, the valve body is advanced by the knock, the valve mechanism is opened, and the application liquid is supplied from the application liquid storage section to the application body side. At this time, the substantially cylindrical coating body accommodating pipe slidably disposed outside the coating body together with the valve body advances to the vicinity of the tip of the coating body. Then, the coating liquid supplied to the coating body side is guided to the vicinity of the coating body tip through the coating liquid flow path between the inner wall of the coating body housing pipe and the surface of the coating body that has advanced, so that the coating body tip in a short time. Can be reached.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the accompanying drawings. 1 to 3 show a first embodiment of the present invention. FIG. 1 is a longitudinal sectional view of the first embodiment at the time of non-knocking, FIG. 2 is a transverse sectional view of the AA line of FIG. 1, and FIG. is there. Reference numeral 1 denotes a rear shaft in which the coating liquid storage unit 2 is formed. The rear shaft 1 forms a shaft cylinder with the front shaft 3 which is inserted and fixed until the flange 3a abuts on the front end opening.

[0008] Between the front shaft 3 and the coating solution container 2,
A valve mechanism is arranged. The valve mechanism includes a lid 4 having a seat 4a and a valve 5 having a valve 5a which resiliently contacts the seat 4a. Lid 4
Consists of a cylindrical portion 4b and a circumferential protrusion 4c formed inward on the inner wall of the cylindrical portion 4b, and the seat portion 5a is formed on a front end face of the circumferential protrusion 4c. Have been. The lid 4 is press-fitted and fixed to the inner wall of the rear shaft 1, and serves as a lid of the coating liquid storage unit 2 formed inside the rear shaft 1. The valve body 5 has a front tubular portion 5b and a rear bar portion 5c, and a valve portion 5a is formed between the front tubular portion 5b and the rear bar portion 5c. The front tubular portion 5b and the valve portion 5a of the valve body 5 are connected to the tubular portion 4
The valve body 5 is slidably disposed in the inside b, and is urged rearward by a resilient member 6 such as a coil spring.

In front of the valve body 5, a tubular application body housing pipe 7 having a cutout 7a in a part of the outer wall is slidably disposed in the front shaft 3. This coated body housing pipe 7
Is connected to the valve body 5 in such a manner that its rear end is press-fitted outside the front tubular portion 5b of the valve body. However, the connection between the valve body 5 and the coating body housing pipe 7 is not limited to the press-fitting described above, but can be made by other appropriate means such as screwing, fitting, and bonding. Further, the shape and the number of the notches 7a can be arbitrarily set depending on the material, the type of the coating liquid, and the like.

In the interior of the coated body housing tube 7, natural fibers such as horses and pigs, synthetic resin fibers such as nylon, polyethylene terephthalate, and acrylic fibers, or the natural brush and synthetic resin brush are placed. A large number of fibers such as a mixture of fibers are converged in the longitudinal direction, and a brush-shaped coating body 8 having one end face fixed by a method such as heat welding or bonding is arranged with the non-fixed end face forward.

At the rear end of the coating body 8, a bottomed cylindrical portion 9 is provided.
a and an application body gripping member 9 composed of a protrusion 9b radially formed on the outer wall of the bottomed cylindrical portion 9a is connected by press-fitting. The application body gripping member 9 has a protrusion 9b,
The projecting portion 9 protrudes from the notch 7 a of the application body housing tube 7, and is located at a position where it does not hinder the slide of the application body housing tube 7 in conjunction with the valve element 5. 3
Is in contact with the inner wall of

The rear rod portion 5 of the valve element 5 is
It is inserted and fixed to a front portion of a tubular member 10 disposed in the coating liquid storage section 2 provided therein. This cylindrical member 10 has its rear part inserted into a bellows-like movable part 11 formed at the rear end of the coating liquid storage part 2 in the rear shaft 1. The bellows-like movable portion 11 is covered with a knock crown 12 to form a knock portion. However, the knocking portion can adopt a conventionally known method, and is not limited to the structure shown in the embodiment.

Next, the case where the applicator of the present embodiment is used will be described. When the knock crown is pressed, the bellows-shaped movable portion contracts, and the tubular member moves forward. With the movement of the tubular member, the valve body moves forward against the elastic force of the elastic member, so that the valve is opened, and the application liquid in the application liquid storage section is discharged to the application body side. The application liquid discharged to the application body side passes through the notch of the application body housing tube, enters the inside of the application body housing tube, passes through the coating solution flow passage between the inner wall of the application body housing tube and the application body, and flows through the coating body. Supplied to the front. In addition, at this time, since the application body housing pipe is moving forward in conjunction with the movement of the valve body (see FIG. 3), the application liquid is discharged near the tip of the application body.

FIG. 4 shows a second embodiment of the present invention, in which synthetic fibers such as acrylic fiber, polyester fiber, nylon fiber, rayon fiber and the like are bundled in place of the brush-like coated body in the first embodiment. , Using an application body 81 solidified with an adhesive or the like, instead of the application body gripping member disposed at the rear end of the brush-like application body, a cylindrical application body gripping member 9 is used.
1 is disposed in the middle of the application body 81, and the same as the embodiment except that the application body housing pipe 71 having a cutout 71a at the front is used instead of the application body housing pipe having a notch at the rear. It is.

FIG. 5 shows a third embodiment of the present invention. Instead of the brush-shaped coating in the first embodiment, the front has continuous pores made of urethane resin, polyester resin, ceramic or the like. An application body housing tube having a notch formed at the rear using an application body 82 formed of a relay core formed by bundling synthetic fibers such as acrylic fiber, nylon fiber, rayon fiber and the like with an elastic body, and solidifying with an adhesive or the like. Is the same as that of the embodiment except that an application body housing tube 72 having a cutout portion 72a in the middle portion is used instead of the above.

[0016]

According to the present invention having the above construction, even when a high-viscosity coating liquid is used, the coating liquid reaches the tip of the coated body in a short time, and is very useful for use.

[Brief description of the drawings]

FIG. 1 is a vertical cross-sectional view of a first embodiment when knocking is not performed.

FIG. 2 is a cross-sectional view taken along line AA of FIG.

FIG. 3 is a longitudinal sectional view of a main part at the time of knocking in the first embodiment.

FIG. 4 is a longitudinal sectional view of a main part when knocking according to a second embodiment.

FIG. 5 is a longitudinal sectional view of a main part when knocking according to a third embodiment.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 rear shaft 2 coating liquid storage chamber 3 front shaft 4 lid 5 valve body 6 resilient member 7 coating body storage tube 71 coating body storage tube 72 coating body storage tube 8 coating body 81 coating body 82 coating body

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. ⁷ , DB name) B43K 5/00-8/24 A45D 34/04 525 B05B 11/00 101 B05C 17/00 B43L 19/00

Claims (1)

(57) [Claims] 1. A place applicator at the distal end opening of the shaft tube forming a coating liquid containing portion therein, the knock-type applicator formed by arranging a valve mechanism between the housing part and the coating member And
A knock-type applicator, wherein an application body housing tube is slidably disposed outside the application body, and the application body housing tube is interlocked with the valve mechanism.