JPH0670867U - Applicator - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide an applicator capable of pressurizing the inside of the coating liquid tank by easily injecting the air in the inner cylinder into the coating liquid tank when the cap is attached. [Structure] The coating liquid tank 1 is formed with an outward protrusion 11 having a front inclined surface 12, and the cap 6 is provided with an inclined portion 6
2 and the inward protrusion 63 are formed, and when the cap is pushed down when the cap is attached, the inclined portion rides on the forward inclined surface of the outward protrusion due to the inertial force that the inward protrusion rides over the outward protrusion, and the cap moves beyond the mounting position. Move slightly forward, spherical coating 4
Comes into contact with the inner bottom portion of the inner tube 7 of the cap and retreats, so that the spherical applicator separates from the inward tip edge of the tip 3, and when the push-cut of the cap is released, the cap returns to the mounting position, and the spherical applicator tip So that it contacts the inward leading edge of the.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an applicator filled with a highly viscous coating liquid such as a correction liquid or a cosmetic liquid.

[0002]

[Prior art]

 The applicator, which has a spherical applicator, has a tip attached to the tip of a coating liquid tank filled with the coating liquid through the tip, and like a ball-point pen, a part of the tip is exposed from the tip. The spherical applicator is rotatably held in the extended state. Then, the spherical applicator is repelled by a spring, and when not in use, the spherical applicator is brought into close contact with the inward tip edge of the chip, and the spherical applicator and the tip end edge of the chip form a valve structure so that the coating liquid does not discharge. I am trying.

When the spherical applicator is pressed against the application surface during use, the spherical applicator retreats against the elastic force of the spring and a gap is created between the spherical applicator and the tip edge of the chip. The coating liquid adhering to the inside of the tip of the spherical applicator passes through this gap and is applied to the outside of the chip as the spherical applicator rotates.However, since the viscosity of the coating liquid is high, it is applied in a natural state. The liquid is not sufficiently supplied to the surface of the spherical coated body. For this reason, the coating liquid tank can be blow-molded with a flexible material to make it deformable, and when in use, the coating liquid tank is pressed with a fingertip to pressurize the inside, and the pressure is used to apply the coating liquid to the surface of the spherical coating. Is being supplied to.

As described above, since it is necessary to press the coating liquid tank with a fingertip to pressurize the inside during use, the operation is complicated, and the manufacturing cost is increased because the coating liquid tank is blow-molded with a flexible material. There is a problem that becomes high.

[0005]

[Problems to be solved by the device]

 For this reason, when the cap is mounted, if the inner cylinder of the cap seals the tip of the chip and the cap can be pushed further, and the volume of the sealed space in the inner cylinder is reduced, the pressure in the inner cylinder will be reduced. Get higher Therefore, the air in the inner cylinder invades the coating solution tank and pressurizes the coating solution tank, so that it is not necessary to press the coating solution tank with a fingertip during use.

However, since the spherical applicator is elastically ejected by the spring, in order to allow the air in the inner cylinder to enter the coating solution tank, it is necessary to overcome the elastic force of the spring and retract the spherical applicator. There is. Therefore, it is necessary to sufficiently increase the pressure in the inner cylinder. In other words, it is necessary to increase the pushing distance of the cap when the inner cylinder seals the tip of the chip, which makes the inner cylinder of the cap longer and makes it difficult to perform the pressing operation.

Therefore, in the present invention, when the cap is attached, the air in the inner cylinder can be easily infiltrated into the coating liquid tank to pressurize the coating liquid tank, and it is necessary to press the coating liquid tank with a fingertip during use. It is an object of the present invention to provide an applicator that is free of manufacturing costs and has low manufacturing costs.

[0008]

[Means for Solving the Problems]

 In order to achieve such an object, the present invention rotatably holds a spherical applicator in a state where a part of the applicator is exposed from the tip end of the tip, and the spherical applicator is springed by a spring to tip the tip. The tip of the tip that holds the tip is connected to the coating liquid tank, the coating liquid tank is filled with the highly viscous film-forming coating liquid, and the ring-shaped protrusion is formed on the outer periphery of the tip. In the applicator in which the tip is in close contact with the inner peripheral surface of the inner tube of the cap to seal the tip, the outer peripheral surface of the coating liquid tank forms an outward protrusion having a forward inclined surface and the inner peripheral surface of the cap is inclined. Part and an inward projection are formed, and the cap is mounted on the coating liquid tank at the mounting position where the inward projection has passed over the outward projection while the inclined part is in contact with the forward inclined surface of the outward projection. If you push the cap all the way inward, Due to the inertial force of the rise over the outward protrusion, the inclined portion rides on the forward inclined surface of the outward protrusion, the cap moves a little forward from the mounting position, and the spherical applicator comes into contact with the inner bottom of the inner cylinder of the cap. When the cap is released, the cap returns to the mounting position and the spherical applicator comes into contact with the inward tip of the chip.

[0009]

[Action]

 In other words, when the cap is pushed down when the cap is attached, the cap moves a little further than the mounting position, so that the spherical applicator abuts the inner bottom of the inner cylinder of the cap and recedes, and the spherical applicator tip The valve mechanism opens away from the inward leading edge of the. Therefore, the pressurized air in the inner cylinder easily enters the coating liquid tank and is pressurized. Then, when the mounting of the cap is completed, the push-off is released, the cap returns to the mounting position, the spherical applicator comes into contact with the inward tip edge of the tip, and the valve mechanism closes so that the pressurized state is maintained. Therefore, it is not necessary to press the coating liquid tank with a fingertip during use. Further, since it is not necessary to blow-mold the coating liquid tank with a flexible material and injection molding can be performed using a normal hard synthetic resin, it is possible to manufacture at a low cost.

[0010]

【Example】

 The present invention will be described in detail below with reference to the embodiments shown in the drawings. In FIG. 1, a tip 3 is fitted in the tip opening of a front opening 2 having an annular projection 21 formed on the outer circumference of the tip. The tip 3 is formed of stainless steel in a bullet shape, and a part of the spherical coating 4 made of a super hard ball with a diameter of 1.0 mm protrudes from the tip of the tip 3 in the ball house at the tip of the tip 3. It is embraced in a freely rotatable state. The tip 3 may be made of a metal pipe.

A small spring 5 having a spring force of 40 g is arranged in the tip 3, and the spring 5 repels the spherical applicator 4 and presses it against the inward tip edge 31 of the tip 3 to form a spherical shape. The applicator 4 and the tip edge 31 of the tip 3 form a valve mechanism. The front port 2 is integrally connected to the coating liquid tank 1. The coating liquid tank 1 is injection-molded from a normal hard synthetic resin, and its manufacturing cost is lower than that of a liquid blow-molded from a flexible material. Further, an outward protrusion 11 having a forward inclined surface 12 is formed on the outer peripheral surface of the coating liquid tank 1, and the outward protrusion 11 locks a cap described later. Further, from the inside of the coating liquid tank 1 and the front port 2 to the chip 3, a coating liquid which is a correction liquid having a viscosity of 30 to 40 cps and having a high film-forming property is filled.

The cap 6 is made of synthetic resin, and as shown in FIG. 2, an inner cylinder 7 is integrally formed inside. A pushing portion 71 is provided on the bottom of the inner cylinder 7 so as to project therefrom. When the inner peripheral surface of the tip edge 7a of the inner cylinder 7 comes into close contact with the annular protrusion 21 of the front opening 2, the inside of the inner cylinder 7 becomes a sealed space. Then, for example, four ribs 61 are formed in the cap 6, and an inclined portion 62 and an inward protrusion 63 having the same inclination angle as the front inclined surface 12 are formed in the rib 61.

Then, when the cap 6 is attached to the front opening 2, as shown in FIG. 3, in the process, the tip edge 7a of the inner cylinder 7 comes into close contact with the annular projection 21 of the front opening 2, and the inner cylinder 7 is closed. The inside becomes a sealed space. When the cap 6 is further pushed in the direction of the arrow from this state, the inner peripheral surface of the inner cylinder 7 slides in close contact with the annular protrusion 21 and the volume of the sealed space in the inner cylinder 7 decreases. The air in the inner cylinder 7 is pressurized. Then, the inclined portion 62 abuts on the front inclined surface 12 of the outward protrusion 11, and the inward protrusion 63 rides over the outward protrusion 11 to reach the mounting position. As shown, the inward protrusion 63 rides over the outward protrusion 11, and the inclined portion 62 rides on the front inclined surface 12 by the inertial force. That is, the cap 6 moves forward a little from the mounting position. Therefore, the spherical applicator 4 comes into contact with the pushing portion 71 formed on the inner bottom portion of the inner cylinder 7 of the cap 6 and retracts. As a result, a gap is formed between the spherical coating body 4 and the tip edge 31 of the tip 3, so that the pressurized air in the inner cylinder 7 enters the coating solution tank 1 and the inside of the coating solution tank 1 is heated. Is pressed.

Next, when the cap 6 is completely attached and the push cut is released, the inclined portion 62 rides on the front inclined surface 12, and therefore the repulsive force causes the inclined portion 62 to slide down the front inclined surface 12. That is, as shown in FIG. 5, the cap 6 returns to the mounting position. As a result, the pushing portion 71 separates from the spherical coating body 4, so that the spherical coating body 4 comes into contact with the tip edge 31 of the tip 3 again by the elastic force of the spring 5, and the inside of the coating liquid tank 1 is pressurized. Is maintained.

In this way, when the mounting of the cap 6 is completed, the air in the inner cylinder 7 easily enters the coating liquid tank 1 without raising the pressure in the inner cylinder 7 so much that the coating liquid tank 1 The inside is pressurized. Therefore, when the cap 6 is removed and coating is performed, the coating liquid is sufficiently supplied to the spherical coating body 4. That is, it is not necessary to press the coating liquid tank 1 with a fingertip, and it is possible to reliably apply the coating liquid tank 1 by writing with a ballpoint pen.

[0016]

[Effect of device]

 As described above, in the applicator of the present invention, when the cap is pushed down when the cap is attached, the spherical applicator comes into contact with the inner bottom portion of the inner cylinder of the cap, and the spherical applicator retreats to inwardly move the tip. Since the valve mechanism is opened away from the tip edge of the, the pressurized air in the inner cylinder easily penetrates into the coating solution tank, and the coating solution tank is pressurized. Therefore, it is not necessary to press the coating liquid tank with your fingertips during use, and it is not necessary to blow mold the coating liquid tank with a flexible material. can do.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of an applicator.

FIG. 2 is a cross-sectional view of a cap.

FIG. 3 is an explanatory diagram of a cap mounting process.

FIG. 4 is an explanatory view of a push-cut state of the cap.

FIG. 5 is an explanatory diagram of a mounting position of a cap.

[Explanation of symbols]

1 coating liquid tank 11 outward protrusion 12 front inclined surface 2
Tip 21 Annular protrusion 3
Tip 31 Tip edge of tip 4
Spherical applicator 5 Spring 6 Cap 62 Inclined part 63
Inward projection 7 Inner cylinder 71 Push part

Claims (1)

[Scope of utility model registration request] 1. A spherical applicator is rotatably held in a state where a part of it is exposed from the tip of the tip, and the spherical applicator is elastically springed by a spring to the inward tip edge of the tip. The tip of the tip that contacts and holds the tip is connected to a coating solution tank, the coating solution tank is filled with a highly viscous film-forming coating solution, and an annular protrusion formed on the outer periphery of the tip is inside the cap. An applicator for sealing a chip in close contact with the inner peripheral surface of a cylinder, wherein an outward projection having a front inclined surface is formed on the outer peripheral surface of the coating liquid tank, and an inclined portion is formed on the inner peripheral surface of the cap. The cap is mounted on the coating liquid tank at the mounting position where the inward protrusion has formed over the outward protrusion while the inclined portion is in contact with the forward inclined surface of the outward protrusion. When pushed all the way, the inward protrusions Due to the inertial force overcoming the rise, the inclined portion rides on the forward inclined surface of the outward protrusion and the cap moves forward a little from the mounting position, and the spherical applicator abuts on the inner bottom portion of the inner cylinder of the cap and retreats, Therefore, the spherical applicator separates from the inward tip edge of the chip, the cap returns to the mounting position when the cap is released, and the spherical applicator comes into contact with the inward tip edge of the chip.