CN210101113U

CN210101113U - Holder for holding and extending pencil

Info

Publication number: CN210101113U
Application number: CN201920841481.7U
Authority: CN
Inventors: 崔雅容; 秦安丽
Original assignee: Hunan Agricultural University
Current assignee: Hunan Agricultural University
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-02-21
Anticipated expiration: 2029-06-04

Abstract

The utility model discloses a pen-holder for centre gripping and extension pencil, its characterized in that includes: the pen holder comprises a pen holder body, a clamping device and a limiting device, wherein one end of the pen holder body is opened, and the other end of the pen holder body is blocked; the pen holder body is symmetrically provided with two elastic piece gaps at the position close to the opening end of the pen holder body, and two sliding grooves which are vertically arranged are symmetrically formed in two sides of the pen holder body; the clamping device comprises two elastic sheets arranged in the elastic sheet gap and a locking nut sleeved on the pen holder body; one end of the elastic sheet is connected with the upper edge of the elastic sheet gap, the other end of the elastic sheet can freely move to form a clamping end, and the outer side surface of the elastic sheet is provided with a thread matched with the locking nut; when the locking nut is screwed with the elastic sheet, the clamping end of the elastic sheet is closed to clamp the pencil accommodated in the penholder body. The utility model discloses can carry out the centre gripping with the wooden pencil of different length to do benefit to and hold the steady pencil of using and write, thereby prevent that the pencil from abandoning and extravagant too for a short time.

Description

Holder for holding and extending pencil

Technical Field

The utility model relates to a stationery, concretely relates to pen-holder that is used for centre gripping and extends pencil.

Background

The pencil is a special pen for writing and drawing sketches, and has a history of more than four hundred years. The pencil generally comprises a wooden penholder and a pencil core, wherein the pencil core is continuously worn in the use process, and the wooden penholder needs to be cut short to enable the pencil core to leak out, so that the pencil core can be continuously used. However, after long-term use, the wooden holder of the pencil is too short to be used by people. Especially for primary and secondary school students, they often use pencils, once the pencils are only one third or one fourth, the pencils are not easy to hold stably for writing, and at the moment, the rest pencils can be discarded, thereby causing unnecessary waste.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a pen-holder for centre gripping and extension pencil, it can carry out the centre gripping with the wooden pencil of different length to do benefit to and hold steady use pencil and write, thereby prevent that the pencil is too short to abandon and extravagant.

The utility model discloses a following technical scheme realizes.

A shaft for holding and extending a pencil, comprising:

the pen holder body is provided with an opening at one end and a plug at the other end; the pen holder body is symmetrically provided with two elastic piece gaps at the position close to the opening end of the pen holder body, and two sliding grooves which are vertically arranged are symmetrically formed in two sides of the pen holder body;

a clamping device; the clamping device comprises two elastic sheets arranged in the elastic sheet gap and a locking nut sleeved on the pen holder body; one end of the elastic sheet is connected with the upper edge of the elastic sheet gap, the other end of the elastic sheet can freely move to form a clamping end, and the outer side surface of the elastic sheet is provided with a thread matched with the locking nut; when the locking nut is screwed with the elastic sheet, the clamping end of the elastic sheet is closed to clamp the pencil accommodated in the pencil holder body;

and a stop device; the limiting device comprises a sliding rod which is arranged between the two sliding grooves in a penetrating mode and can slide up and down, a passive fixing piece arranged at one end of the sliding rod, and an active locking piece arranged at the other end of the sliding rod and used for fixing the sliding rod in the sliding grooves.

As a preferred technical scheme, the penholder also comprises a penholder cap which can be sleeved at the opening end of the penholder body.

As a preferred technical scheme, a clamping groove used for clamping an eraser is arranged at the blocking end of the pen holder body; and the bottom of the clamping groove is provided with a contact pin.

As a preferred technical scheme, the other end of the penholder cap, which is opposite to the penholder body sleeve cover, is provided with a pencil sharpening opening and a blade matched with the pencil sharpening opening.

As the preferred technical scheme, a thread is arranged at one end of the sliding rod, and the driving locking piece is a nut.

The utility model discloses beneficial effect:

1) the utility model discloses simple structure, convenient to use, it can with the pencil centre gripping of different length with be fixed in the body of a pencil rod, especially to the shorter pencil of length, can play the effect of extension pencil length to in holding tightly use the pencil, avoided the pencil too short abandon and extravagant.

2) The utility model discloses the pen-holder function is many, not only can the centre gripping with extend the pencil, and its pen-holder head can freely be installed and dismantle the eraser, and the pen-holder cap can cut the pencil, and the pencil that inserts in the pen-holder also takes out easily and installs.

Drawings

FIG. 1 is a front view of the pencil holder of the present invention when the pencil is not held;

FIG. 2 is a cross-sectional view of the pencil holder of the present invention when the pencil is not held;

FIG. 3 is a front view of the pencil holder of the present invention holding a pencil;

FIG. 4 is a right side view of the pencil holder of the present invention holding a pencil;

FIG. 5 is a cross-sectional view of the pencil holder of the present invention holding a pencil;

FIG. 6 is a front view of the cap of the pen holder of the present invention;

FIG. 7 is a cross-sectional view of the cap of the pen holder of the present invention;

FIG. 8 is a cross-sectional view taken along line A-B of FIG. 1;

the meanings of the marks in the above figures are as follows: 1-a pen holder body, 101-a spring plate notch, 102-a sliding groove, 103-a clamping groove, 104-a pin, 2-a clamping device, 201-a plate, 202-a lock nut, 3-a limiting device, 301-a sliding rod, 302-a passive fixing piece, 303-an active locking piece, 4-a pen holder cap, 401-a pen sharpening opening, and 402-a blade.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Examples

Referring to fig. 1, 2, 3 and 4, the holder for holding and extending a pencil includes: the pen holder comprises a pen holder body 1 with one end open and the other end blocked, a clamping device 2 and a limiting device 3;

referring to fig. 1 and 4, two elastic piece notches 101 are symmetrically arranged at positions of the pen holder body 1 near the opening end thereof, and two sliding grooves 102 which are vertically arranged are symmetrically arranged at two sides of the pen holder body 1;

referring to fig. 1, 2, 3 and 4, the clamping device 2 includes two elastic sheets 201 disposed in the elastic sheet gap 101, and a lock nut 202 looped on the pen holder body 1; one end of the elastic sheet 201 is connected with the upper edge of the elastic sheet notch 101, and the other end can freely move to form a clamping end, and the outer side surface is provided with a thread matched with the locking nut 202; when the lock nut 202 is screwed with the elastic sheet 201, the clamping end of the elastic sheet 201 is closed to clamp the pencil contained in the pencil holder body 1;

referring to fig. 1, 2, 4 and 8, the limiting device 3 includes a sliding rod 301 penetrating between the two sliding slots 102 and capable of sliding up and down, a passive fixing member 302 disposed at one end of the sliding rod 301, and an active locking member 303 disposed at the other end of the sliding rod 301 for fixing the sliding rod 301 in the sliding slot 102;

in the structure, the opening of pencil accessible pencil body 1 inserts in the pencil body 1, later be located the position of spout 102 through adjustment slide bar 301, the end to the pencil is withstood by slide bar 301, later be fixed in spout 102 with slide bar 301 through initiative retaining member 303, make the nib of pencil spill suitable length so that write, then screw lock nut 202 and shell fragment 201, it is fixed to make the pencil be by the shell fragment 201 centre gripping that draws close, can be with the pencil centre gripping of different length with being fixed in the pencil body 1 through above mode, so that hold tightly and use the pencil, and can take out the pencil in a flexible way and cut, change.

Further, in a preferred embodiment, the length of the barrel body 1 is 16 to 18cm, so that a whole pencil can be accommodated in the barrel body 1.

Further, in order to prevent the pen point from being accidentally broken or damaged after the pencil is held by the pen holder, referring to fig. 5, in an alternative embodiment, the pen holder further includes a pen holder cap 4 capable of covering the open end of the pen holder body 1.

Further, referring to fig. 1 and 2, in an alternative embodiment, a blocking end of the pen holder body 1 is provided with a clamping groove 103 for clamping an eraser; the bottom of the card slot 103 is provided with a pin 104; thus, the eraser can be clamped into the clamping groove 103 after being cut into a proper shape, and the eraser is embedded and fastened through the inserting pin 104, so that erasing and correction can be conveniently carried out when a pencil is used for writing.

Further, referring to fig. 6 and 7, in an alternative embodiment, in order to facilitate the cutting of the pencil stub, the cap 4 is provided with a pencil sharpening opening 401 and a blade 402 matching with the pencil sharpening opening, opposite to the other end of the cap which is sleeved on the pencil shaft body 1.

Further, referring to fig. 8, in a preferred embodiment, the sliding rod 301 is threaded at one end and the positive locking member 303 is a nut, such that the sliding rod 301 can be secured in the sliding slot 102 by tightening the nut.

Claims

1. A shaft for holding and extending a pencil, comprising:

the pen holder body (1) is provided with an opening at one end and a plug at the other end; two elastic piece gaps (101) are symmetrically arranged at the position, close to the opening end, of the pen holder body (1), and two vertically arranged sliding grooves (102) are symmetrically formed in the two sides of the pen holder body (1);

a clamping device (2); the clamping device (2) comprises two elastic sheets (201) arranged in the elastic sheet notches (101) and a locking nut (202) sleeved on the pen holder body (1); one end of the elastic sheet (201) is connected with the upper edge of the elastic sheet notch (101), the other end of the elastic sheet notch can freely move to form a clamping end, and the outer side surface of the elastic sheet notch is provided with a thread matched with the locking nut (202); when the lock nut (202) is screwed with the elastic sheet (201), the clamping end of the elastic sheet (201) is closed to clamp the pencil accommodated in the pencil holder body (1);

and a stop device (3); the limiting device (3) comprises a sliding rod (301) which is arranged between the two sliding grooves (102) in a penetrating mode and can slide up and down, a passive fixing piece (302) arranged at one end of the sliding rod (301), and a driving locking piece (303) arranged at the other end of the sliding rod (301) and used for fixing the sliding rod (301) in the sliding grooves (102).

2. A shaft for holding and extending a pencil according to claim 1, characterized in that the shaft further comprises a shaft cap (4) that can be fitted over the open end of the shaft (1).

3. A holder for holding and extending a pencil as claimed in claim 1, characterized in that the closed end of the holder body (1) is provided with a groove (103) for holding an eraser; and the bottom of the clamping groove (103) is provided with a plug pin (104).

4. A shaft for holding and extending a pencil according to claim 2, characterized in that the cap (4) of the shaft is provided with a sharpening opening (401) and a blade (402) cooperating with the sharpening opening, opposite the end where it is housed in the shaft (1).

5. A shaft for holding and extending a pencil according to any one of claims 1 to 4, wherein one end of the sliding rod (301) is provided with a thread, and the active locking member (303) is a nut.