CN210821566U

CN210821566U - Automatic screwing-out eraser

Info

Publication number: CN210821566U
Application number: CN201921755543.9U
Authority: CN
Inventors: 闫绪宝
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-06-23
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses an automatic spiral-out eraser, including the screwed pipe, the inner wall left side threaded connection of screwed pipe has the threaded rod, first recess has been seted up to the left end of threaded rod, the second recess has been seted up to the right-hand member of threaded rod, the inner wall and the cooperation of a tail of a pen of first recess, the inner wall cooperation of second recess has the eraser, the outer wall right side of screwed pipe is connected with the retaining ring. This automatic rubber of screwing out, through the threaded rod, the cooperation between screwed pipe and the retaining ring, not only realized fixing rubber and pen, change pen and rubber at any time simultaneously, and the length of rubber can rotate the screwed pipe and adjust, prior art has been solved, the pen end does not have the rubber or the problem that the rubber can't be changed and adjusted, and can protect the rubber after using, avoid the rubber to dirty impaired problem because of exposing, utilize this automatic rubber of screwing out extension pencil after the pencil uses to shorten in addition, avoid the problem of inconvenient gripping.

Description

Automatic screwing-out eraser

Technical Field

The utility model relates to the technical field of stationery, specifically an automatic unscrewing eraser.

Background

When students study writing and drawing, work of workers and professional drawing personnel draw, the erasing and the modification can be rapidly finished by the cooperation of the eraser and the pen while writing and drawing, therefore, the writing brush is favored by people, in the prior art, sometimes a piece of eraser is fixed at the tail end of the writing pen, although the use is convenient, the rubber is easy to break off when in use due to the long length of the initial rubber, moreover, the eraser is exposed outside for a long time and is easy to be dirtied, so when in use, black marks are easy to be left on a snow-white paper surface, which affects the beauty of the paper, and after the eraser is used for a plurality of times, the end surface of the rubber can be abraded to a certain degree to influence the normal use, in addition, the rubber can not be replaced, when the pencil is used for a short time, the pencil is difficult to hold, and part of the writing pens are not provided with pen caps, so that the pen points are easily damaged when the writing pens are not used, and the use requirements of people cannot be met by the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic spiral-out eraser, with the problem that proposes in solving above-mentioned background art, sometimes at the fixed eraser of end of writing pen, though it is convenient to use, but because the length of beginning eraser is longer, break appears in the use easily, and the eraser exposes in the external world for a long time, easily make dirty, when consequently using, leave black vestige on the paper face of snow easily, influence the pleasing to the eye of paper, and the eraser is after repetitious usage, certain degree's wearing and tearing can appear in its terminal surface, influence normal use, some writing pen self does not take the pen cap, when consequently not using, cause the problem of the damage of nib easily.

In order to achieve the above object, the utility model provides a following technical scheme: the automatic screwing-out eraser comprises a threaded pipe, a threaded rod is in threaded connection with the left side of the inner wall of the threaded pipe, a first groove is formed in the left end of the threaded rod, the inner wall of the first groove is matched with a pen tail, a second groove is formed in the right end of the threaded rod, an eraser is matched with the inner wall of the second groove, a retainer ring is in threaded connection with the right side of the outer wall of the threaded pipe, and the inner wall of the retainer ring is matched with the right side of the outer wall of the eraser.

Preferably, the minimum inner diameter of the pipe tail of the side, matched with the pen, of the threaded pipe is smaller than the minimum outer diameter of the pipe tail of the side, matched with the pen, of the threaded rod.

Preferably, the minimum inner diameter of the end part of the side, matched with the rubber, of the retainer ring is smaller than the minimum outer diameter of the tail of the threaded rod at the side, matched with the rubber, of the threaded rod.

Preferably, the outer wall of the threaded pipe is provided with ridges and grains.

Preferably, the top left side rigid coupling of screwed pipe has the box body, the top of box body is equipped with the lid, the bottom right side of lid is rotated through the top right side of round pin axle with the box body and is linked to each other, the left side of lid is in the same place with the left side joint of box body, the section of thick bamboo of rubber has been placed to the inside of box body.

Preferably, the right side of retaining ring all the rigid coupling has the slider from top to bottom, two the right side of slider all cooperates there is the bent plate, two the bent plate magnetism links to each other, two the equal rigid coupling in inboard of bent plate has the friction plate.

Compared with the prior art, the beneficial effects of the utility model are that: the automatic screwing-out eraser has the advantages that the eraser and a pen can be fixed through the matching of the threaded rod, the threaded pipe and the check ring, the pen and the eraser can be replaced at any time, the use is more convenient, the exposed length of the eraser can be adjusted, the problem that the eraser at the tail end of the pen is long and is easy to break during use in the prior art is solved, the eraser can be protected after being used, the problem that the eraser is polluted due to the fact that the eraser is exposed outside for a long time is avoided, paper surface pollution caused by dirt on the surface of the eraser is avoided, the end face of the eraser can be polished through the matching of the curved plate and the friction plate, the worn part is removed, the use effect of the eraser is guaranteed, and the pen point of the pen without the pen cap can be protected through the effects of the box body, the cover body and the rubber barrel, prevent damaging, in addition, the utility model discloses an unscrew the shelves circle can realize the quick replacement of rubber, uses and shortens when the pencil the utility model discloses there is the effect of extension pencil, has solved the problem that the pencil is difficult to grip with the short time, consequently this automatic rubber that spins out can be better satisfies people's operation needs.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of a connection relationship between the retainer ring, the curved plate and the slider in FIG. 2;

fig. 4 is a schematic view of a connection relationship between the box body, the cover body and the rubber tube in fig. 2.

In the figure: 1. the device comprises a threaded pipe, 2, a threaded rod, 3, a first transverse groove, 4, a rubber sleeve, 5, a second transverse groove, 6, an eraser, 7, a retainer ring, 8, grinding lines, 9, a curved plate, 10, a friction plate, 11, a box body, 12, a pin shaft, 13, a cover body, 14, a rubber cylinder, 15 and a sliding block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an automatic screwing-out eraser comprises a threaded pipe 1, a threaded rod 2 is in threaded connection with the left side of the inner wall of the threaded pipe 1, when the threaded pipe 1 is rotated through the matching of the threaded rod 2 and the threaded pipe 1, the threaded rod 2 can move along the inner wall of the threaded pipe 1, a first groove 3 is formed in the left end of the threaded rod 2, the first groove 3 is used for sleeving the left end of the threaded rod 2 at the tail end of an external pen, a second groove 5 is formed in the right end of the threaded rod 2, the second groove 5 plays a fixing role on the eraser 6, the eraser 6 is matched with the inner wall of the second groove 5, the eraser 6 is a long eraser, a check ring 7 is connected to the right side of the outer wall of the threaded pipe 1, the inner wall of the check ring 7 is matched with the right side of the outer wall of the eraser 6, a box body 11 is fixedly connected to the left side of the top of the threaded pipe 1, the box body 11, the right side of the bottom of the cover body 13 is rotatably connected with the right side of the top of the box body 11 through a pin shaft 12, the left side of the cover body 13 is connected with the left side of the box body 11 in a clamping manner, a rubber cylinder 14 is placed in the box body 11, when a pen in the first groove 3 is not used, if the pen does not have a pen cover, the rubber cylinder 14 is sleeved on the pen head of the writing pen to protect the pen head, slide blocks 15 are fixedly connected to the upper side and the lower side of the right side of the retainer ring 7, the slide blocks 15 play a limiting role on the bent plates 9, the right sides of the two slide blocks 15 are matched with the bent plates 9, the two bent plates 9 are magnetically connected, friction plates 10 are fixedly connected to the inner sides of the two bent plates 9, each friction plate 10 is made of a steel sheet with grinding grains processed on the surface, ridges and grains 8 are processed on the outer wall of the threaded pipe 1, and the friction of the outer wall of the threaded,

when the automatic screwing-out eraser is used, the tail end of a pen is inserted from the left end of the automatic screwing-out eraser, the tail end of a writing pen penetrates through the threaded pipe 1 and then enters the inside of the first groove 3 at the left end of the threaded rod 2, the automatic screwing-out eraser and the pen are fixed at the moment, when the pen is normally used, the automatic screwing-out eraser is positioned at the top of the pen, when the eraser 6 is needed to be used, the threaded pipe 1 is rotated, the threaded rod 2 cannot rotate due to the fact that the threaded rod 2 is fixed with an external writing pen, the threaded pipe 1 moves leftwards along the outer wall of the threaded rod 2, the two curved plates 9 are pushed at the moment, the curved plates 9 slide along the sliding block 15 and are separated from each other, the right end of the eraser 6 extends out of the inner wall of the retainer ring 7, a user can conveniently erase characters through the eraser 6, after the use is finished, the threaded pipe 1 is reversely rotated, the eraser 6 is recycled, the two bent plates 9 are magnetically connected at the moment, a certain protection effect can be achieved on the right end of the eraser 6, the eraser is prevented from being damaged by an external sharp object, when a writing pen in the first groove 3 is not used, if the writing pen does not have a pen cap, the cover body 13 is pulled, the left end of the cover body 13 is enabled to be out of clamping connection with the left side of the box body 11, the cover body 13 rotates clockwise around the pin shaft 12, then the rubber cylinder 14 is sleeved at the writing end of the writing pen, the pen head can be protected, when dirt is attached to the right end of the eraser 6 due to repeated use, the threaded rod 2 is rotated at the moment, the right end of the eraser 6 is enabled to be attached to the left side of the friction plate 10, the bent plates 9 are repeatedly pushed, the bent plates 9 slide along the sliding block 15, the right end of the eraser 6 is further polished through the friction plate 10.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation and be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The automatic screwing-out eraser comprises a threaded pipe (1) and is characterized in that: the novel pencil is characterized in that a threaded rod (2) is connected to the inner wall of the threaded pipe (1) in a threaded mode, a first groove (3) is formed in the left end of the threaded rod (2), the inner wall of the first groove (3) is matched with the pencil tail, a second groove (5) is formed in the right end of the threaded rod (2), an eraser (6) is matched with the inner wall of the second groove (5), a check ring (7) is connected to the right side of the outer wall of the threaded pipe (1), and the inner wall of the check ring (7) is matched with the outer wall of the eraser (6).

2. The automatic unscrewing eraser as claimed in claim 1, wherein: the minimum inner diameter of the pipe tail of one side, matched with the pen, of the threaded pipe (1) is smaller than the minimum outer diameter of the pipe tail of one side, matched with the pen, of the threaded rod (2).

3. The automatic unscrewing eraser as claimed in claim 1, wherein: the minimum inner diameter of the end part of one side of the retainer ring (7) matched with the rubber is smaller than the minimum outer diameter of the tail of the threaded rod (2) matched with the rubber.

4. The automatic unscrewing eraser as claimed in claim 1, wherein: the outer wall of the threaded pipe (1) is provided with ridges and grains (8).

5. The automatic unscrewing eraser as claimed in claim 1, wherein: the top left side rigid coupling of screwed pipe (1) has box body (11), the top of box body (11) is equipped with lid (13), the bottom right side of lid (13) is rotated through round pin axle (12) and the top right side of box body (11) and is linked to each other, the left side of lid (13) is in the same place with the left side joint of box body (11), rubber sleeve (14) have been placed to the inside of box body (11).

6. The automatic unscrewing eraser as claimed in claim 1, wherein: equal rigid coupling has slider (15) about the right side of retaining ring (7), two the right side of slider (15) all cooperates bent plate (9), two bent plate (9) magnetism links to each other, two the inboard equal rigid coupling of bent plate (9) has friction plate (10).