CN209920837U - Writing brush with replaceable brush head - Google Patents

Abstract

A writing brush with a replaceable brush head comprises a brush tube, a button, a spring, a clamping tube and a brush head, wherein a retaining ring is arranged in the upper end of the brush tube, a snap ring is arranged in the lower end of the brush tube, the spring is positioned in the brush tube, the button is positioned above the spring, the lower end of the button is positioned in the upper end of the brush tube, and the upper end of the clamping tube penetrates from the lower end of the brush tube from bottom to top and sequentially penetrates through the snap ring of the brush tube, the retaining ring of the brush tube and the spring to be in threaded connection with the lower end of the button; the lower extreme of pressing from both sides the pipe is equipped with clamping structure, clamping structure encloses by a plurality of clamping pieces, all is equipped with the arch outside the lower extreme of every clamping piece, and the arch on a plurality of clamping pieces forms and keeps off the ring, the upper end centre gripping of the connecting rod of nib is on clamping structure, clamping structure's fender ring and the snap ring cooperation of pen tube are cliied the nib. The utility model provides a writing brush of interchangeable nib, the nib is removable, and the nib is damaged interchangeable promptly and is used for writing the nib interchangeable of different typefaces.

Description

Writing brush with replaceable brush head

Technical Field

The utility model belongs to the technical field of the writing instrument technique and specifically relates to a writing brush of interchangeable nib is related to.

Background

The existing writing brushes on the market are generally integrated, and once one part is damaged, the whole writing brush is scrapped. In addition, the integrated pen has the other defect that the pen head is fixed, and different writing brushes are used for writing characters. The most vulnerable place of the writing brush is the brush head.

Disclosure of Invention

In order to overcome current writing brush and to have the defect that can not change the nib, the utility model provides a writing brush of interchangeable nib has guaranteed the protection nib that can be fine when not using the writing brush, and the nib is removable, the damaged interchangeable of nib promptly and the nib interchangeable that is used for writing different fonts.

The utility model provides a technical scheme that its technical problem adopted is:

a writing brush with a replaceable pen point comprises a pen tube, a button, a spring, a clamping tube and a pen point, wherein a retaining ring is arranged in the upper end of the pen tube, a clamping ring is arranged in the lower end of the pen tube, the spring is located in the pen tube and is in a compressed state, the button is located above the spring, the lower end of the button is located in the upper end of the pen tube, the upper end of the spring is pressed against the button, the lower end of the spring is pressed against the retaining ring of the pen tube, and the upper end of the clamping tube penetrates through the clamping ring of the pen tube, the retaining ring of the pen tube and the spring from bottom to top and is in threaded connection with the lower end of the button;

the nib includes written body and connecting rod, the lower extreme fixed mounting of connecting rod has the nib body, the lower extreme that presss from both sides the pipe is equipped with clamping structure, clamping structure is loudspeaker form and encloses by a plurality of clamping pieces, all is equipped with the arch outward for the lower extreme of every clamping piece, and the arch on a plurality of clamping pieces forms and keeps off the ring, the upper end centre gripping of the connecting rod of nib is on clamping structure, under the effect of spring, clamping structure's fender ring is cliied the nib with the snap ring cooperation of pencil.

Furthermore, the upper end of the clamping pipe is provided with an external thread, and the lower end of the button is internally provided with an internal thread.

The beneficial effects of the utility model are that: the protection nib that can be fine when not using the writing brush has been guaranteed, and the nib is removable, and the nib damaged interchangeable promptly and the nib interchangeable that is used for writing different typefaces.

Drawings

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a schematic structural view of the clamp tube.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 3, a writing brush with replaceable writing brush tip includes a pen tube 5, a button 4, a spring 3, a clamping tube 2 and a writing brush tip 1, wherein a retaining ring 6 is arranged in the upper end of the pen tube 5, a retaining ring 7 is arranged in the lower end of the pen tube 5, the spring 3 is located in the pen tube 5 and is in a compressed state, the button 4 is located above the spring 3, the lower end of the button is located in the upper end of the pen tube 5, the upper end of the spring 3 is in contact with the button 4, the lower end of the spring 3 is in contact with the retaining ring 6 of the pen tube 5, and the upper end of the clamping tube 2 penetrates from the lower end of the pen tube 5 from bottom to top and sequentially penetrates through the retaining ring 7 of the pen tube 5, the retaining ring 6 of the pen tube 5, the spring 3 and the lower;

1 includes written body and connecting rod, the lower extreme fixed mounting of connecting rod has the written body, the lower extreme of double-layered pipe 2 is equipped with clamping structure, clamping structure is loudspeaker form and encloses by a plurality of clamping pieces 9, all is equipped with the arch outward for the lower extreme of every clamping piece 9, and the arch on a plurality of clamping pieces forms and keeps off ring 8, the upper end centre gripping of the connecting rod of written 1 is on clamping structure, under the effect of spring 3, clamping structure's fender ring 8 and the 7 cooperations of snap ring of pencil 5 are cliied 1 of nib.

Furthermore, the upper end of the clamping pipe 2 is provided with an external thread, and the lower end of the button 4 is internally provided with an internal thread.

In this embodiment, the spring 3 is inserted from above the pen tube 5 and is clamped at the stop ring 6. The clamp tube 2 is put in from the pen tube 5, the button 4 is put in from the upper part, and the clamp tube and the button are connected through threads; the spring 3 is clamped in the middle by the button and the stop ring 6, and is in a compressed state, so that the clamp tube 2 is pulled into the pen tube. When the pen point clamping device is used, the button 4 is pressed to push the clamping tube out, the clamping piece 9 is opened, the connecting rod at the upper part of the pen point is placed into the clamping tube 2, the button 4 is slowly loosened, the clamping tube 2 retracts to drive the clamping piece to retract, and the blocking ring 8 enclosed by the protrusions on the clamping piece 9 and the clamping ring 7 of the pen tube interact to clamp the pen point 1.

Claims (2)

1. The utility model provides a writing brush of interchangeable nib which characterized in that: the pen tube comprises a pen tube, a button, a spring, a clamping tube and a pen point, wherein a retaining ring is arranged in the upper end of the pen tube, a clamping ring is arranged in the lower end of the pen tube, the spring is positioned in the pen tube and is in a compressed state, the button is positioned above the spring, the lower end of the button is positioned in the upper end of the pen tube, the upper end of the spring is pressed against the button, the lower end of the spring is pressed against the retaining ring of the pen tube, and the upper end of the clamping tube penetrates from the lower end of the pen tube from bottom to top and sequentially penetrates through the retaining ring of the pen tube, the retaining ring of the pen tube and the lower end of the spring;

the nib includes written body and connecting rod, the lower extreme fixed mounting of connecting rod has the nib body, the lower extreme that presss from both sides the pipe is equipped with clamping structure, clamping structure is loudspeaker form and encloses by a plurality of clamping pieces, all is equipped with the arch outward for the lower extreme of every clamping piece, and the arch on a plurality of clamping pieces forms and keeps off the ring, the upper end centre gripping of the connecting rod of nib is on clamping structure, under the effect of spring, clamping structure's fender ring is cliied the nib with the snap ring cooperation of pencil.

2. A writing brush with a replaceable tip as claimed in claim 1, wherein: the upper end of the clamping pipe is provided with an external thread, and the lower end of the button is internally provided with an internal thread.