CN213199275U

CN213199275U - Pen point structure with barb structure

Info

Publication number: CN213199275U
Application number: CN202021436303.5U
Authority: CN
Inventors: 陈永隆; 柯林; 陈叔林
Original assignee: Anhui Yongzhou Stationery Co ltd
Current assignee: Anhui Yongzhou Stationery Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-05-14
Anticipated expiration: 2030-07-20

Abstract

The utility model provides a written structure with barb structure, including pen-holder and nib, the pen-holder pass through barb locking Assembly with the nib is connected, the bottom integrated into one piece of pen-holder has four spring leafs, every the internal surface homogeneous phase integrated into one piece of spring leaf has the chucking piece, and is a plurality of the spring leaf centers on the axis setting on pen-holder bottom surface is a plurality of the spring leaf is all pegged graft inside tightening ring body, barb locking Assembly is including the sawtooth post, the bottom of sawtooth post with the top integrated into one piece of nib, the sawtooth post is with a plurality of the spring leaf is pegged graft mutually around the inner chamber that forms, the top surface integrated into one piece of sawtooth post has the barb dish, the barb dish is with a plurality of chucking piece looks joint. The utility model discloses a nib and barb locking Assembly's cooperation can provide the function of quick dismantlement for the nib to the person of facilitating the use changes the nib, has prolonged the life of nib.

Description

Pen point structure with barb structure

Technical Field

The utility model mainly relates to the technical field of nib structure, concretely relates to nib structure with barb structure.

Background

Pens are the most common writing tools in people's daily life, and have different types, models and uses.

According to a writing brush provided by the patent document with the application number of CN201621432383.0, the writing brush comprises a writing brush rod and a writing brush head, wherein a turning plate is arranged on the outer wall of the writing brush rod, which is close to the writing brush head, one end of the turning plate is rotatably connected to the writing brush rod, a restraining part for limiting the rotation of the turning plate is arranged between the end of the turning plate and the writing brush rod, a connecting piece for realizing the detachable connection between the other end of the turning plate and the writing brush rod is arranged between the other end of the turning plate and the writing brush rod, the writing brush can not be continuously turned after the turning plate is limited by the restraining part, one end, far away from the writing brush head.

However, the existing writing brush tip has defects, for example, the existing writing brush tip is usually connected with a pen holder by gluing, so that the writing brush tip is easy to fall off and is difficult to replace after falling off, thereby reducing the service life of the writing brush.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a written structure with barb structure is used for solving the technical problem who proposes in the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides an written structure with barb structure, including pen-holder and nib, the pen-holder pass through barb locking Assembly with the nib is connected, the bottom integrated into one piece of pen-holder has four spring leafs, every the internal surface homogeneous moulding of spring leaf has the chucking piece, and is a plurality of the spring leaf centers on the axis setting of pen-holder bottom surface is a plurality of the spring leaf is all pegged graft in tightening the ring internal portion, barb locking Assembly is including the sawtooth post, the bottom of sawtooth post with the top integrated into one piece of nib, the sawtooth post is pegged graft mutually with a plurality of the spring leaf encircles the inner chamber that forms, the top surface integrated into one piece of sawtooth post has the barb dish, the barb dish with a plurality of chucking piece looks joint.

Further, the outer surfaces of the spring pieces are engaged and connected with the inner wall of the tightening ring through threads.

Furthermore, the longitudinal sections of the barb disc and the clamping blocks are trapezoidal.

Furthermore, a plurality of saw-tooth blocks which are arranged in parallel are integrally formed on the inner surface of each spring piece, and the plurality of spring pieces are meshed with the saw-tooth columns through the saw-tooth blocks.

Furthermore, the outer surface of the tightening ring is provided with an anti-skid groove.

Further, the tightening ring is engaged with the outer surface of the top end of the pen point through threads.

Furthermore, the circumference of the top surface of the pen point is equal to the circumference of the bottom surface of the pen holder.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model can provide the function of fast dismounting for the pen head, thereby facilitating the user to replace the pen head, prolonging the service life of the pen head, expanding the types of the pen heads which can be used by the pen holder, after the sawtooth column on the pen point is inserted into an inner cavity formed by a plurality of spring pieces at the bottom end of the pen holder in a surrounding way through the cooperation of the pen point and the barb locking assembly, the inclined plane of the barb disc on the sawtooth column slides over the inclined plane of the clamping block on the spring pieces, so that the barb disc in the barb locking component outwards extrudes the clamping block to prop open the spring leaf on the clamping block, the clamping block rebounds by virtue of the elasticity of the spring leaf on the clamping block and is clamped with the barb disc, the tightening ring sleeved on the spring leaf is rotated to gradually move down the tightening ring, so that the sawtooth block on the spring leaf is meshed with the sawtooth column, therefore, the movement of the pen point on the sawtooth block is limited, the installation of the pen point is completed, and when the pen point needs to be disassembled, the steps are operated reversely.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a schematic structural view of the barb lock assembly of the present invention;

fig. 4 is an enlarged view of the structure of region a in fig. 3.

In the figure: 1. a pen holder; 11. a spring plate; 12. a tightening ring; 121. an anti-slip groove; 13. a clamping block; 14. a sawtooth block; 2. a pen point; 3. a barb locking assembly; 31. a barb disc; 32. a serrated column.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to the attached drawings 1-4, a pen point structure with a barb structure comprises a pen holder 1 and a pen point 2, wherein the pen holder 1 is connected with the pen point 2 through a barb locking assembly 3, four spring pieces 11 are integrally formed at the bottom end of the pen holder 1, a clamping block 13 is integrally formed on the inner surface of each spring piece 11, the spring pieces 11 are arranged around the axis of the bottom end surface of the pen holder 1, the spring pieces 11 are all inserted into a tightening ring 12, the barb locking assembly 3 comprises a sawtooth column 32, the bottom end of the sawtooth column 32 is integrally formed with the top end of the pen point 2, the sawtooth column 32 is inserted into an inner cavity formed by surrounding the spring pieces 11, a barb disc 31 is integrally formed on the top end surface of the sawtooth column 32, and the barb disc 31 is clamped with the clamping blocks 13.

In an embodiment, referring to fig. 2, the outer surfaces of the plurality of spring leaves 11 are all engaged with the inner wall of the tightening ring 12 through threads, so as to rotate the tightening ring 12 sleeved on the spring leaves 11, so that the tightening ring 12 transforms its own rotary motion into its own linear motion along the track formed on the spring leaves 11, so that the tightening ring 12 gradually moves down, and the inner diameter of the tightening ring 12 gradually restricts the plurality of spring leaves 11, so that the gaps between the plurality of spring leaves 11 are gradually reduced.

In the illustrated embodiment, and with particular reference to FIG. 2, the tightening ring 12 is threadedly engaged with the outer surface of the tip of the nib 2, such that the tightening ring 12 is threadedly engaged with the nib 2 to limit the movement of the nib 2.

In an embodiment, referring to fig. 2 and 3 again, the tightening ring 12 has an anti-slip groove 121 formed on an outer surface thereof, so that the anti-slip groove 121 engaged with the arc surface of the user's finger increases a contact area between the user's finger and the tightening ring 12, thereby increasing a friction force between the user's finger and the tightening ring 12.

In an embodiment, referring to fig. 3, a circumferential perimeter of the top surface of the nib 2 is equal to a circumferential perimeter of the bottom surface of the barrel 1, so that a gap between the top surface of the nib 2 and the bottom surface of the barrel 1 is reduced, and the aesthetic property of the nib is improved.

In the embodiment, please refer to fig. 3 again, a plurality of saw-toothed blocks 14 are integrally formed on the inner surface of each spring plate 11, and a plurality of spring plates 11 are engaged with the saw-toothed columns 32 through the saw-toothed blocks 14, so that the saw-toothed blocks 14 on the spring plates 11 are engaged with the saw-toothed columns 32, thereby limiting the movement of the pen point 2 on the saw-toothed blocks 14 and preventing the pen point 2 from being separated from the spring plates 11.

In an embodiment, referring to fig. 4, the longitudinal section of the barb disc 31 and the plurality of clamping blocks 13 is trapezoidal, so that the barb disc 31 can expand the spring pieces 11 on the clamping blocks 13 by pressing the clamping blocks 13 outwards when the inclined surface on the barb disc 31 slides over the inclined surface on the clamping blocks 13.

The utility model discloses a concrete operation as follows:

when the penholder 1 and the nib 2 are connected, a user firstly guides the sawtooth column 32 on the nib 2 to be inserted into an inner cavity formed by surrounding a plurality of spring strips 11 at the bottom end of the penholder 1, when the inclined surface of the barb disc 31 on the sawtooth column 32 slides over the inclined surface of the clamping block 13 on the spring strip 11, the barb disc 31 outwards extrudes the clamping block 13 to expand the spring strip 11 on the clamping block 13 until the barb disc 31 slides over the clamping block 13, at the moment, the clamping block 13 rebounds by virtue of the elasticity of the spring strip 11 on the barb disc and is clamped with the barb disc 31, the nib 2 is preliminarily fixed, the tightening ring 12 sleeved on the spring strip 11 is rotated, the tightening ring 12 converts the self rotary motion into the self linear motion along a track formed on the spring strip 11, the tightening ring 12 gradually moves downwards, and gradually restrains the spring strips 11 by utilizing the inner diameter of the tightening ring 12, so that gaps among the spring strips 11 are gradually reduced, until the sawtooth block 14 on the spring plate 11 is meshed with the sawtooth column 32, the movement of the pen point 2 on the sawtooth block 14 is limited, the pen point 2 is prevented from being separated from the spring plate 11, and the installation of the pen point 2 is completed.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The pen point structure with the barb structure comprises a pen holder (1) and a pen point (2), and is characterized in that the pen holder (1) is connected with the pen point (2) through a barb locking assembly (3), four spring pieces (11) are integrally formed at the bottom end of the pen holder (1), a clamping block (13) is integrally formed on the inner surface of each spring piece (11), the spring pieces (11) are arranged around the axis of the bottom end surface of the pen holder (1), and the spring pieces (11) are inserted into a ring body of a tightening ring (12);

barb locking Assembly (3) including sawtooth post (32), the bottom of sawtooth post (32) with the top integrated into one piece of nib (2), sawtooth post (32) and a plurality of spring leaf (11) are encircleed the inner chamber that forms and are pegged graft mutually, the top surface integrated into one piece of sawtooth post (32) has barb dish (31), barb dish (31) and a plurality of chucking piece (13) looks joint.

2. A nib structure with barb structure according to claim 1, wherein the outer surface of each of said spring strips (11) is engaged with the inner wall of said fastening ring (12) by screw threads.

3. A nib structure provided with a barb structure according to claim 1, characterized in that the longitudinal sections of the barb disk (31) and the plurality of fastening blocks (13) are trapezoidal.

4. A nib structure with barb structure according to claim 1, characterized in that the inner surface of each spring plate (11) is integrally formed with a plurality of saw-toothed blocks (14) arranged in parallel, and a plurality of spring plates (11) are engaged with the saw-toothed columns (32) through the saw-toothed blocks (14).

5. The nib structure with barb structure of claim 1, wherein the tightening ring (12) has an anti-slip groove (121) on its outer surface.

6. A nib structure provided with a barb structure according to claim 1, characterized in that said tightening ring (12) is connected in engagement with the external surface of the tip of the nib (2) by means of a screw thread.

7. A nib structure provided with a barb structure according to claim 1, characterized in that the circumference of the top surface of the nib (2) is equal to the circumference of the bottom surface of the barrel (1).