CN219505729U

CN219505729U - Propelling pencil

Info

Publication number: CN219505729U
Application number: CN202222574253.2U
Authority: CN
Inventors: 袁林杰; 梁国财; 娄绍军
Original assignee: Deli Group Co Ltd
Current assignee: Deli Group Co Ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-08-11
Anticipated expiration: 2032-09-28

Abstract

The utility model discloses a propelling pencil which comprises a pencil holder, a core storage tube (3) and a core assembly, wherein the core storage tube (3) and the core assembly are both arranged in the pencil holder, and the core assembly is connected to one end of the core storage tube (3); the other end of the core storage tube (3) is provided with an increasing part (302), the outer diameter of the increasing part (302) is larger than that of the core storage tube (3), and the increasing part (302) at least partially stretches into the end part of the pen holder; the end part of the enlarging part (302) is provided with a rubber seat, and the rubber seat and the enlarging part (302) are integrally formed. The propelling pencil can avoid the phenomenon that the rubber swings greatly in the wiping process, and is convenient for users to use.

Description

Propelling pencil

Technical Field

The utility model relates to the technical field of writing tools, in particular to a propelling pencil.

Background

In order to maintain smooth writing, the wooden pencil needs to be rolled and cut frequently, and the appearance of the mechanical pencil is in line with the requirement of convenient use of people. The mechanical pencil, as the name implies, is a pencil which can be automatically or semi-automatically lead out without being rolled. Before the mechanical pencil is used, a thin pencil lead (commonly called pencil lead) made of graphite is put in, and a cover at the back of the pencil lead is closed after the pencil lead is put in, so that the pencil lead is prevented from falling out. The propelling pencil is internally provided with a spring, and the pencil core can extend out from the fixed length of the front end by pressing the rear cover, and the fonts with the same thickness are written. In order to facilitate the use, some movable pencil will be provided with a rubber, the rubber is arranged on the rubber seat, and the rubber seat is detachably connected to the end part of the core storage tube. The prior propelling pencil with the rubber has the following defects: because a larger gap is reserved between the core storage tube and the inner wall of the pen holder, the eraser can swing in the wiping process, and the use is inconvenient.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the propelling pencil which can avoid the phenomenon that the eraser swings greatly in the wiping process and is convenient for users to use.

The technical scheme is that the propelling pencil comprises a pencil holder, a core storage tube and a core assembly, wherein the core storage tube and the core assembly are arranged in the pencil holder, and the core assembly is connected to one end of the core storage tube; the other end of the storage core tube is provided with an increasing part, the outer diameter of the increasing part is larger than that of the storage core tube, and the increasing part at least partially stretches into the end part of the pen holder; the end part of the enlarged part is provided with a rubber seat, and the rubber seat and the enlarged part are integrally formed.

After adopting above structure, the propelling pencil of the utility model has the following advantages compared with the prior art:

because the other end of the core storage tube of the propelling pencil is provided with the enlarged part, the enlarged part at least partially stretches into the end part of the pencil holder, and the outer diameter of the enlarged part is larger than that of the core storage tube, the gap between the enlarged part and the inner wall of the pencil holder is smaller, the large-amplitude swing of the eraser in the wiping process can be effectively prevented, and the propelling pencil is convenient for users to use.

As an improvement, the length of the enlarged part extending into the end part of the pen holder is 1 cm to 6 cm. With this construction, the design is the preferred embodiment.

As improvement, the length of the enlarged part extending into the end part of the penholder is 5 cm. With this construction, this design is the best mode.

As an improvement, a core connecting piece is arranged between the core assembly and the core storage pipe, the core assembly is connected with one end of the core connecting piece, and the other end of the core connecting piece is connected with one end of the core storage pipe in a buckling manner. After adopting this kind of structure, the one end of core pipe and the other end lock joint of core connecting piece for the user can not be jointly with the core pipe pull out when pulling out the rubber, the structure is more reliable.

As an improvement, the side wall of the core connecting piece is provided with a fastening hole, the side wall of one end of the core storage pipe is provided with a clamping block, the end part of the core storage pipe is inserted into the other end of the core connecting piece, and the clamping block is clamped into the fastening hole. After the structure is adopted, the end part of the movement connecting piece is connected with the end part of the core storage tube, so that the structure is simple and the assembly is convenient.

As an improvement, the side wall of the movement connecting piece is provided with a convex rib, the inner wall of the pen holder is provided with a matching groove matched with the convex rib, and the convex rib is in sliding fit in the matching groove. After the structure is adopted, the convex neck and the matching groove can position the movement connecting piece, so that the movement between the movement connecting piece and the pen holder is stable.

As an improvement, the inner wall part of the penholder is concaved inwards to form the matching groove, and a convex strip is formed on the outer wall of the corresponding penholder; the pen holder is sleeved with a protective sleeve, the protective sleeve covers the raised strips, grooves are formed in positions, corresponding to the raised strips, of the protective sleeve, and the raised strips are embedded into the grooves. After adopting this kind of structure, the formation technology in matching groove is simpler, can improve production efficiency, and the sand grip and the protective sheath cooperation of formation can carry out circumference spacing to the protective sheath, make the protective sheath installation more stable.

As an improvement, the side wall of the penholder is provided with a limiting hole, the side wall of the part of the enlarged part extending into the penholder is provided with a limiting block, and the limiting block is in sliding fit with the limiting hole. After the structure is adopted, the limiting block is limited in the limiting hole, and the core storage tube can be effectively prevented from being pulled out when the rubber is pulled out.

As an improvement, the side wall of the increasing part is provided with a spring piece hole, the lower end of the spring piece is connected to the lower side wall of the spring piece hole, the limiting block is arranged on the upper end of the spring piece, and the lower side wall of the limiting block is a guide inclined plane. After the structure is adopted, the limiting block is arranged on the elastic piece, the lower side wall of the limiting block is a guide inclined plane, and the limiting block is pressed into the core storage pipe under the action of the elastic piece in the process of pressing down the core storage pipe to enable the core storage pipe to move downwards, so that the core storage pipe cannot be limited.

As an improvement, the rubber seat is also of a hollow structure, and the through hole of the rubber seat is communicated with the through hole of the core storage tube; the rubber seat is internally provided with a rubber, and the lower end of the rubber is embedded into the rubber seat and is propped against the limiting step. After the structure is adopted, the rubber mounting structure is simple, the rubber can block the through hole of the rubber seat, and the pencil lead is prevented from being poured out.

As an improvement, a convex ring is arranged on the outer wall of the joint of the rubber seat and the enlarged part, a pen cap is sleeved outside the rubber seat, the pen cap covers the rubber, and the lower end of the pen cap is propped against the convex ring.

Drawings

Fig. 1 is a schematic perspective view of a propelling pencil according to the present utility model.

Fig. 2 is a schematic view of a partially exploded structure of the propelling pencil of the present utility model.

Fig. 3 is a schematic view of an exploded structure of the propelling pencil of the present utility model.

Fig. 4 is an enlarged schematic view of the portion a in fig. 3.

Fig. 5 is a schematic perspective view of the core tube of the propelling pencil of the present utility model.

The figure shows: 1. shaft, 101, mounting groove, 102, convex strip, 103, limit hole, 2, nib, 3, core tube, 301, fixture block, 302, increasing part, 303, limit block, 304, shrapnel, 305, shrapnel hole, 306, guiding inclined plane, 4, protective sleeve, 401, groove, 5, movement connecting piece, 501, fastening hole, 502, convex rib, 6, flowering, 7, copper ring, 8, spring, 9, rubber seat, 901, limit step, 10, rubber, 11, pen cap, 12 and convex ring.

Detailed Description

For a better understanding of the utility model, various aspects of the utility model will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the utility model and is not intended to limit the scope of the utility model in any way. Like reference numerals refer to like elements throughout the specification.

In the drawings, the thickness, size and shape of the object have been slightly exaggerated for convenience of explanation. The figures are merely examples and are not drawn to scale.

It will be further understood that the terms "comprises," "comprising," "includes," "including," "having," "including," "containing," "includes" and/or "including," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

As shown in fig. 1 to 5, the present utility model discloses a propelling pencil including a shaft, a core tube 3 and a core assembly.

The pen holder comprises a rod body 1 and a pen point 2, wherein the pen point 2 is connected to the lower end of the rod body 1. For convenience of description, the end of the propelling pencil close to the pen point 2 is set as the lower end, and the end of the propelling pencil far away from the pen point 2 is set as the upper end. The pen is characterized in that one end of the rod body 1, which is close to the pen point 2, is provided with a mounting groove 101 for sleeving a protective sleeve 4, the protective sleeve 4 is sleeved in the mounting groove 101, and the protective sleeve 4 is made of a silica gel material, so that a user is protected from hard contact with the rod body 1 to generate pain when holding a pen.

The core storage tube 3 is of a hollow structure, and the lower end of the core storage tube 3 is fastened with a core connecting piece 5. The side wall of the core connecting piece 5 is provided with a buckling hole 501, the side wall of one end of the core storage tube 3 is provided with a clamping block 301, the end part of the core storage tube 3 is inserted into the other end of the core connecting piece 5, and the clamping block 301 is clamped into the buckling hole 501. In this embodiment, two opposite side walls of the movement connector 5 are respectively provided with a fastening hole 501, and corresponding to the fastening holes, two opposite side walls of the core tube 3 are respectively provided with a clamping block 301, and two clamping blocks 301 are fastened in the fastening holes 501 on two sides in a one-to-one correspondence.

The movement assembly comprises a flower 6, a copper ring 7 and a spring 8, wherein the flower 6 is connected with the lower end of the movement connecting piece 5 after the copper ring 7 and the spring 8 are arranged. The flowering 6 and the movement connecting piece 5 are hollow structures. And through holes of the flowering 6, the movement connecting piece 5 and the core storage tube 3 form a core loading channel, and the core loading channel is used for placing pencil cores. The assembly of the movement assembly, the movement connecting piece 5 and the core storage tube 3 is arranged in the rod body 1. The side wall of the movement connecting piece 5 is provided with a convex rib 502, the inner wall of the pen holder is provided with a matching groove (not shown) matched with the convex rib 502, and the convex rib 502 is in sliding fit in the matching groove (not shown). The inner wall of the pen holder is concaved inwards to form the matching groove, the corresponding outer wall of the pen holder is provided with a convex strip 102, and the convex strip 102 is positioned in the mounting groove 101 of the rod body 1. The protecting sleeve 4 covers the raised lines 102, a groove 401 is arranged at the position of the protecting sleeve 4 corresponding to the raised lines 102, and the raised lines 102 are embedded in the groove 401. In this embodiment, two protruding strips 102 are provided, and two corresponding grooves 401 are also provided, and the two protruding strips 102 are correspondingly matched in the two grooves 401 one by one.

The upper end of the core tube 3 is provided with an enlarged part 302, and the outer diameter of the enlarged part 302 is larger than the outer diameter of the core tube 3. The enlarged portion 302 extends partially into the end of the barrel, and the other portion is exposed outside the upper end of the shaft 1. The length of the portion of the enlarged portion 302 extending into the end portion of the pen holder is 1 cm to 6 cm, and in this embodiment, the length of the portion of the enlarged portion 302 extending into the end portion of the pen holder is 5 cm. The side wall of the upper end of the rod body 1 is provided with a limiting hole 103, the side wall of the part of the enlarged part 302 extending into the rod body 1 is provided with a limiting block 303, and the limiting block 303 is in sliding fit with the limiting hole 103. The side wall of the increasing part 302 is provided with a spring plate 304, the side wall of the increasing part 302 is provided with a spring plate hole 305, the lower end of the spring plate 304 is connected to the lower side wall of the spring plate hole 305, the limiting block 303 is arranged on the upper end of the spring plate 304, and the lower side wall of the limiting block 303 is a guide inclined plane 306.

The upper end of the enlarged portion 302 is provided with a rubber seat 9, and the rubber seat 9 and the enlarged portion 302 are integrally formed. The inner wall of the rubber seat 9 is provided with a limit step 901, the rubber seat 9 is also of a hollow structure, and the through hole of the rubber seat 9 is communicated with the through hole of the core storage tube 3. The rubber 10 is arranged in the rubber seat 9, the lower end of the rubber 10 is embedded in the rubber seat 9 and abuts against the limiting step 901, and the rubber 10 is used for blocking the through hole of the rubber seat 9 to prevent the pencil core from being poured out. The outer wall of the joint of the rubber seat 9 and the enlarged part 302 is provided with a convex ring 12, the rubber seat 9 is sleeved with a pen cap 11, the pen cap 11 covers the rubber 10, and the lower end of the pen cap 11 is propped against the convex ring 12.

The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model can make any changes in shape or structure, and all the technical solutions that are the same or similar to the present utility model fall within the scope of the present utility model.

Claims

1. The propelling pencil comprises a pencil holder, a core storage tube (3) and a core assembly, wherein the core storage tube (3) and the core assembly are both arranged in the pencil holder, and the core assembly is connected to one end of the core storage tube (3); the method is characterized in that: the other end of the core storage tube (3) is provided with an increasing part (302), the outer diameter of the increasing part (302) is larger than that of the core storage tube (3), and the increasing part (302) at least partially stretches into the end part of the pen holder; the end part of the enlarging part (302) is provided with a rubber seat, and the rubber seat and the enlarging part (302) are integrally formed.

2. The propelling pencil of claim 1 wherein: the length of the increasing part (302) extending into the end part of the pen holder is 1 cm to 6 cm.

3. The propelling pencil of claim 2 wherein: the length of the enlarged part (302) extending into the end part of the pen holder is 5 cm.

4. The propelling pencil of claim 1 wherein: the core assembly is connected to one end of the core connecting piece (5), and the other end of the core connecting piece (5) is fastened with one end of the core tube (3).

5. The propelling pencil of claim 4 wherein: the side wall of core connecting piece (5) on be equipped with lock joint hole (501), the side wall of the one end of core tube (3) on be equipped with fixture block (301), the tip of core tube (3) peg graft in the other end of core connecting piece (5), fixture block (301) card go into lock joint hole (501).

6. The propelling pencil of claim 5 wherein: the side wall of the movement connecting piece (5) is provided with a convex rib (502), the inner wall of the pen holder is provided with a matching groove matched with the convex rib (502), and the convex rib (502) is in sliding fit in the matching groove.

7. The propelling pencil of claim 6 wherein: the inner wall of the penholder is concaved inwards to form the matching groove, and a convex strip (102) is formed on the outer wall of the corresponding penholder; the pen holder is sleeved with a protective sleeve (4), the protective sleeve (4) covers the raised strips (102), grooves (401) are formed in positions, corresponding to the raised strips (102), of the protective sleeve (4), and the raised strips (102) are embedded into the grooves (401).

8. The propelling pencil of any one of claims 1 to 7 wherein: the side wall of the penholder is provided with a limiting hole (103), a limiting block (303) is arranged on the side wall of the part, extending into the penholder, of the increasing part (302), and the limiting block (303) is in sliding fit with the limiting hole (103).

9. The propelling pencil of claim 8 wherein: the side wall of the increasing part (302) is provided with a spring piece (304), the side wall of the increasing part (302) is provided with a spring piece hole (305), the lower end of the spring piece (304) is connected to the lower side wall of the spring piece hole (305), the limiting block (303) is arranged at the upper end of the spring piece (304), and the lower side wall of the limiting block (303) is a guide inclined plane (306).

10. The propelling pencil of claim 8 wherein: the rubber seat (9) is also of a hollow structure, and the through hole of the rubber seat (9) is communicated with the through hole of the core storage tube (3); the rubber seat (9) is internally provided with a rubber (10), and the lower end of the rubber (10) is embedded into the rubber seat (9) and is propped against the limiting step (901).

11. The propelling pencil of claim 10 wherein: the outer wall of the joint of the rubber seat (9) and the enlarged part (302) is provided with a convex ring (12), the pen cap (11) is sleeved outside the rubber seat (9), the pen cap (11) covers the rubber (10), and the lower end of the pen cap (11) is propped against the convex ring (12).