JPH04134468U - Knot type applicator - Google Patents

Abstract

(57) [Summary] [Purpose] To prevent ink from leaking when not in use due to vibrations when carrying or careless external force. [Structure] An ink tank 3 is inserted into the outer cylinder 2 so as to be movable in the axial direction, and the ink tank 3 is knocked forward to open the valve mechanism 4. A pantograph-shaped bending member 5 that can be bent outward is assembled between the front part of the ink tank 3 and the front inner wall of the outer cylinder 2. The cap 7 prevents the bending part 51 of the bending member 5 from protruding outward from the window hole 21 of the outer cylinder.
This can be prevented by installing.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to a knock-type applicator. More specifically, it has an application tip in the front. An ink tank is inserted movably in the axial direction inside the outer cylinder, and the ink tank and the applicator tip are connected via a valve mechanism, and the ink tank is moved forward. A type in which the valve mechanism is opened by pressing and ink is drawn out to the application tip. Regarding a knock-type applicator.

0002

[Conventional technology]

Conventionally, the above-mentioned type of knock-type applicator is susceptible to vibrations and unexpected external forces when carried. Therefore, it can be used as an applicator to prevent ink from leaking when the valve mechanism opens. , Utility Model Publication No. 2-25657, Utility Model Application Publication No. 61-140875, etc. are disclosed. ing.

0003

[Problem that the idea aims to solve]

The applicator of Utility Model Publication No. 2-25657 is not used until it is passed from the manufacturer to the user. During this time, the tail plug was fitted into the recessed area to prevent the bottle from moving, but once it started to be used After that, the tail plug is removed and thrown away, so the user does not have to shake it when carrying it after starting to use it. This does not take into account ink leakage due to movement.

0004 Further, the applicator of the above-mentioned Japanese Utility Model Publication No. 61-140875 has the cap attached to the knock part. It can be used as a material and prevents ink from leaking when not in use, but this is the first time that the unit has been used. For users, the operating procedures were difficult to understand and required explanation.

[0005] This invention attempts to solve the above-mentioned conventional problems, and it reduces the vibration and noise when carrying. We have taken sufficient safety into consideration to prevent ink from leaking when not in use due to external force. We aim to provide a knock-type applicator that can be used with easy-to-understand and easy-to-understand operations. It is something to do.

[0006]

[Means to solve the problem]

The knock-type applicator 1 of the present invention has an ink cartridge inside an outer cylinder having an applicator tip at the front. The ink tank is inserted so as to be movable in the axial direction, and the ink tank and the application tip are connected to the valve mechanism. The valve mechanism is connected to the ink tank by pressing the ink tank forward to open the valve mechanism. It is a knock-type applicator of the type that is opened and the ink is drawn out to the applicator tip. , a pantograph shape that can be bent outward between the front part of the ink tank 3 and the front inner wall of the outer cylinder 2. The bent member 5 is assembled with the bent part 51 located in the window hole 21 of the outer cylinder 2, and the The bending portion 51 of the bending member 5 is bent by the knocking operation of the water tank 3. It is configured so that it can protrude from the window hole 21, and when the cap 7 is attached, the bending member 5 is It is required that the structure be such that it can prevent outward protrusion.

[0007] Although it is sufficient for the bending member 5 to have one leg portion 52 having the bending portion 51, a plurality of legs may be used. They may be attached, for example, two may be attached at opposing positions. Also, The legs 52 are integrally formed of a flexible material (plastic, etc.). Generally, it is formed from two parts and rotatably connected at the bending part 51. A configuration is also possible. Furthermore, the bending member 5 is connected to the front part of the ink tank 3 and the outer cylinder. 2. It may be assembled directly to the front inner wall, or it may be assembled with other members interposed. You can also do that.

[0008] The valve mechanism 4 is attached to the ink tank 3 side, and applies a valve body 41 in a forward biased state. A type in which the ink guide pipe 45 connected to the tip 6 is opened by pressing backwards ( (see Fig. 1) or the valve body 41 attached to the front part of the outer cylinder 2 and in a backward biased state. A type in which the front end of the reduced diameter part having the outflow hole 31 of the tank 3 is opened by pressing forward (Fig. 4 (see). The window hole 21 is provided through the outer cylinder 2, and is used for a holder or a neck fitted to the front part of the outer cylinder 2. It may be installed through a member or the like. In short, the outer cylinder 2 may be integrally formed or formed of multiple parts. It may be assembled from materials.

[0009]

[Effect]

When in use, remove the cap 7 and knock the ink tank 3 forward to release it. The ink tank 3 moves forward in the axial direction inside the cylinder 2, and the front part of the ink tank 3 and the outer cylinder 2 The bending/stretching member 5 assembled between the front inner walls starts bending and extends the bending part 51 radially. The valve mechanism 4 is opened by bending it outward and protruding from the window hole 21 of the outer cylinder 2. When the cap 7 is attached when not in use, the window hole 21 is covered by the cap 7. This prevents the bent portion 51 from protruding. Therefore, the axial direction of the ink tank 3 Migration is prevented and safety against ink leakage is maintained.

0010

[Example 1] Embodiment 1 of the present invention will be explained with reference to the drawings. (See Figures 1 to 3) The outer cylinder 2 has a holder 22 screwed onto its tip, which holds the coating tip 6, and a holder 22 at its rear end. An inward protrusion 24 is provided to prevent the ink tank 3 from moving backwards. In addition, the coating An ink guide pipe 45 fixed inside the holder 22 is connected to the rear part of the tip 6. be done. Furthermore, two window holes 21 are provided opposite to each other at the rear of the screwed part of the holder 22 of the outer cylinder 2. penetrated in position.

[0011] The ink tank 3 is provided with a valve mechanism 4 at the front part, and the valve mechanism 4 is located at the valve seat part. The valve stem 41 placed between the material 42 and the spring receiver 44 is urged forward by the spring 43. and is pressed against the valve seat member 42. An elastic ring is provided at the front of the valve seat member 42. 48 is provided, and is fixed by screwing on the neck cylinder 47 at the front of the ink tank 3. Before The ink guiding pipe 45 is inserted into the marking mechanism 4 in a liquid-tight manner, and the ink guiding pipe 45 is The ink can be led out to the section 6. In addition, the diameter of the rear part of ink tank 3 has been reduced, making it easier to assemble. A knock portion 32 that protrudes from the rear end of the outer cylinder 2 is formed later.

0012 The bending/stretching member 5 has two pantograph-shaped legs 52 that can be bent outward, and has two pantograph-shaped legs 52 at both ends. It is an integrally molded plastic body connected by an annular holding part 53. Before The annular holding portion 53 has one end fixed to the neck tube 47 and the other end fixed to the ink guiding pipe. loosely insert it into the plug 45. A coil spring 5 is provided between both the annular holding portions 53. 4 is inserted to bias the bending/stretching member 5 in the direction of extension.

[0013] After assembly, the bending portions 51 of the bending member 5 are located in the window holes 21 of the outer cylinder 2, respectively. Therefore, when the valve mechanism 4 is closed, the bent portion 51 does not protrude from the window hole 21 and is not opened. It is set so that it protrudes for the first time during the valve operation (knock operation).

[0014] When the cap 7 is attached to the application tip, the outer circumference covers the window hole 21, Further, the holder 22 is configured to be airtightly fitted at the reduced diameter portion.

[0015]

[Example 2] Example 2 will be explained with reference to the drawings. (See Figure 4) The outer cylinder 2 includes a holder 22 that holds the application tip 6 and a knock button 23 at the rear end. It consists of a rear shaft with a protruding part. Further, the holder 22 is provided with an airtight fitting part. Similarly to the first embodiment, two window holes 21 are provided at the rear of the airtight fitting portion. Furthermore, a valve mechanism 4 is incorporated inside the front part of the holder 22, and the valve In the mechanism 4, the valve stem 41 disposed between the inner wall of the holder 22 and the valve seat member 42 is activated by a spring. 43 to the rear, and is brought into pressure contact with the valve seat member 42.

[0016] The front part of the ink tank 3 has an outflow hole 31 and a first diameter reducing part that comes into contact with the rear end of the valve rod 41. and a second reduced diameter part having a larger diameter than the first reduced diameter part, the second reduced diameter part and the second reduced diameter part. An elastic cylinder 46 is airtightly mounted between the rear ends of the valve seat member 42 of the valve mechanism 4. Ru. The bending/stretching member 5 has the same shape as in Example 1, and the two annular holding parts 53 The second reduced diameter portion of the ink tank 3 and the valve are connected so as to fix both ends of the elastic cylinder 46. It is fitted into the seat member 42. Furthermore, the bending member 5 may protrude from the window hole 21. By attaching the cap 7, the application tip 6 is kept airtight and , the two window holes 21 are closed to prevent the bent portion 51 from protruding outward.

[0017]

[Effect of the idea] When not in use, by attaching the cap to the tip of the ink tank, the axial direction of the ink tank can be Since movement in the direction is prevented, the valve mechanism will be activated and opened by inadvertent external force or vibration. There is no risk of ink leaking from the application tip, so you can carry it with confidence. Furthermore, conventional applicators with this type of safety measures require complicated operations when used. It can be used for application without the need for Safety is ensured by the natural action), and it satisfies practicality as a convenient applicator. Ru.

[Brief explanation of drawings]

FIG. 1 is a longitudinal sectional view showing a first embodiment of the knock-type applicator of the present invention.

FIG. 2 is a sectional view taken along the line AA in FIG. 1;

FIG. 3 is a perspective view of the main part of FIG. 1;

FIG. 4 is a longitudinal sectional view showing a second embodiment of the knock-type applicator of the present invention.

[Explanation of symbols]

1 Knock type applicator 2 Outer cylinder 21 Window hole 22 Holder 23 Knock button 24 Inner process 3 Ink tank 31 Outflow hole 32 Knock part 4 Valve mechanism 41 Valve stem 42 Valve seat member 43 Spring 44 Spring receiver 45 Ink guide pipe 46 Elastic cylinder 47 Neck tube 48 Elastic ring 5 Bending member 51 Bent part 52 Legs 53 Annular holding part 54 Coil spring 6 Application tip 7 Cap

Claims (1)

[Scope of utility model registration request] 1. An ink tank is inserted movably in the axial direction into an outer cylinder having a coating tip at the front, and the ink tank and the coating tip are connected via a valve mechanism, In a knock-type applicator of the type that pushes the ink tank forward to open the valve mechanism and draw out the ink to the applicator tip, the ink tank is pushed outward between the front part of the ink tank 3 and the front inner wall of the outer cylinder 2. A bendable pantograph-shaped bending member 5 is assembled with the bending portion 51 positioned in the window hole 21 of the outer cylinder 2, and the bending portion 51 of the bending member 5 is bent by a knocking operation of the ink tank 3, and the bending portion 51 of the bending member 5 is bent to open the window hole 21 of the outer cylinder 2. 21
A knock-type applicator 1 configured to be able to protrude further, and configured to prevent the bending member 5 from protruding outward by attaching a cap 7.