JPH0436298Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention has a built-in liquid substance such as ink and glue, and allows the liquid to flow out into a brush tip fixed to the tip of the barrel for writing or application. This invention relates to a brush tip fixing tube, and particularly to a brush tip fixing tube suitable for brush pens.

(Prior Art) The present applicant first held the outer periphery of the middle part of the brush tip 1 as shown in FIGS.
The cylindrical part 3 that is fitted and fixed to the cylindrical part 3 and the locking ring 3a that holds the outer periphery of the rear part of the brush tip and locks the rear end flange 1a of the brush tip are integrated by two connecting pieces 4 and 5 along the axial direction. The liquid material in the liquid material storage body 6, which is ink, is transferred to the liquid material distribution window hole 7 formed between the connecting pieces 4 and 5.
A brush tip fixing tube for a brush pen is devised in which writing is performed by flowing into the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip.

(Problems to be Solved by the Invention) In the above-mentioned prior art, the contact portion held by the connecting pieces 4 and 5 of the brush tip 1 does not expand outward, but the liquid flow window hole 7, Since the part 8 is not in contact with the fixed tube, the middle part bulges outward, resulting in a crack at the tip of the tip of the tip of the tip, resulting in an insufficient shape, and when actually writing, the brush stroke becomes two,
There was a problem in that the thickness of the strokes varied depending on the writing direction, making it impossible to obtain stable strokes.

(Means for Solving the Problems) The present invention aims to solve the above-mentioned problems. In a brush tip fixing tube that holds the rear outer periphery and connects the rear ring that locks the brush tip rear end flange together with a plurality of connecting pieces along the axial direction, the plural connecting pieces It is characterized in that an intermediate ring is integrally formed in the middle.

Hereinafter, a detailed explanation will be given based on the illustrated embodiment. Reference numeral 10 includes a cylindrical portion 11 that holds the outer periphery of the conical tip of the brush tip and a cylindrical portion 11b that fits and fixes into the tip hole 12a of the barrel 12; The rear ring 13 that locks the rear end collar 10a is integrally connected with two connecting pieces 14, 15 along the axial direction, and the connecting pieces 14,
An intermediate ring 16 is integrally formed in the middle of the brush tip 15 to prevent the intermediate part of the brush tip 10 exposed at the liquid flow windows 17 and 18 from expanding outward.

The edges of the connecting pieces 14, 15, the intermediate ring 16, the cylindrical part 11, and the rear ring 13 are chamfered.

Note that this chamfering does not limit the invention of the present application and may be omitted.

(Effects) The present invention holds the outer periphery of the tip of the brush tip, holds the cylindrical part that fits and fixes into the tip hole of the barrel, and the outer periphery of the rear part of the brush tip.
In a brush tip fixing tube in which a rear ring that locks a brush tip rear end flange is integrally connected by a plurality of connecting pieces along the axial direction, an intermediate ring is placed in the middle of the plural connecting pieces. Since it is integrally formed, the outer surface of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the brush is prevented from bulging, which is most likely to bulge out. No force is applied, the tip of the brush does not break, the shape is stable, and when writing, the thickness does not vary depending on the direction of writing and a stable stroke can be obtained.

In the above-mentioned embodiment, an example of application to a brush pen has been described, but it can also be used even if the liquid material is glue or the like.

[Brief explanation of the drawing]

Fig. 1 is a front view of an embodiment of the present invention, Fig. 2 is a sectional view taken along the line A-A in Fig. 1, Fig. 3 is a front sectional view of essential parts of a brush pen in accordance with the first embodiment, and Fig. 4. Figure 5 is a cutaway front view of the main parts of a brush pen using a conventional product, and Figure 5 is Figure 4B-
It is a B side sectional view. 10...Brush tip, 11...Cylinder part, 12...Shaft tube,
13... Rear ring, 14, 15... Connection piece, 1
6... Middle ring, 17, 18... Liquid distribution window hole.

Claims (1)

[Scope of utility model registration request] A cylindrical part that holds the outer periphery of the tip of the brush tip and is fitted and fixed in the tip hole of the shaft tube, and a rear ring that holds the outer periphery of the rear part of the brush tip and locks the rear end flange of the brush tip. A brush tip fixing tube which is integrally connected by connecting pieces of a book, and has an intermediate ring integrally formed in the middle of a plurality of connecting pieces.