CN216002017U - Pushing type eraser - Google Patents

Abstract

The utility model discloses a pushable eraser, and relates to the field of stationery. The rubber clamping device comprises a rubber body, a shell, a movable rubber seat and a clamping piece, wherein the shell is of a hollow structure, a rubber outlet is formed in one end of the shell, the rubber body is contained in the shell, a rubber clamping groove is formed in the movable rubber seat, the rubber body is contained in the rubber clamping groove, a hollow groove is formed in the top surface of the shell, teeth are arranged on two sides of the hollow groove, two movable strips are arranged on the movable rubber seat, the two movable strips are symmetrically arranged, each movable strip is provided with a movable convex block, the movable convex blocks are matched with the teeth on the hollow groove, a push block is arranged on the clamping piece and is arranged between the two movable strips, and the rubber body can freely stretch and retract through the movable rubber seat in the shell according to the requirements of a user to keep the rubber clean.

Description

Pushing type eraser

Technical Field

The utility model relates to the field of stationery, in particular to a pushable eraser.

Background

An eraser is an indispensable stationery in life, work and study of people.

The eraser is a stationery with high use frequency, but if the eraser is not protected by a shell, the soft and clean eraser can become dirty; while the dirty eraser not only affects the mood of a user, but also can be discarded, and the eraser becomes smaller and smaller along with the use time, and is not easy to grasp when being used finally. In addition, for some careless people, the eraser with smaller volume is easy to forget by them to cause the eraser to be lost.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pushable eraser, which solves the technical problems that the eraser is easy to be dirtied when exposed to the external environment and is difficult to grasp when being reduced.

The utility model provides a pushable eraser which comprises an eraser body, a shell, a movable eraser holder and a clamping and stopping piece, wherein the shell is of a hollow structure, an eraser outlet is formed in one end of the shell, the eraser body is contained in the shell, an eraser clamping groove is formed in the movable eraser holder, the eraser body is contained in the eraser clamping groove, a hollow groove is formed in the top surface of the shell, teeth are arranged on two sides of the hollow groove, a movable strip is arranged on the movable eraser holder, the two movable strips are symmetrically arranged, a movable convex block is arranged on each movable strip, the movable convex blocks are matched with the teeth on the hollow groove, a pushing block is arranged on the clamping and stopping piece, and the pushing block is arranged between the two movable strips.

Furthermore, a taking-out port is formed in one end, far away from the rubber outlet, of the shell, a port plug is arranged on the taking-out port, and the port plug is movably connected with the shell.

Furthermore, the clamping and stopping piece is provided with a clamping and stopping lug, the movable rubber seat is provided with an accommodating groove, and the clamping and stopping lug is matched with the accommodating groove.

Furthermore, the upper surfaces of the movable rubber seat and the clamping and stopping piece are provided with anti-skidding convex strips.

Furthermore, a through hole is formed in the shell.

Furthermore, the two sides of the shell are provided with anti-skid thin strips.

Furthermore, a clamping convex strip is arranged on the inner side of the rubber clamping groove.

The utility model provides a pushable eraser by improvement, compared with the prior art, the pushable eraser has the following improvements and advantages:

(1) according to the eraser, the shell is arranged outside the eraser body, the eraser body can freely stretch and retract by moving the eraser base according to the requirements of a user in the shell, the eraser body can be pushed out of the shell during erasing, the eraser body retracts into the shell after the erasing is finished, the eraser is kept clean, and in the using process, one end of the eraser body is always in the shell, so that the user can not be influenced by the length of the eraser and can take the problem of grasping.

(2) The clamping and stopping piece is arranged in the rubber eraser, and the movable rubber holder is clamped and stopped by the clamping and stopping piece, so that the rubber body cannot retract in the using process.

(3) In the utility model, the end of the casing far away from the rubber outlet is provided with the taking-out port, and the taking-out port is provided with the port plug, so that after the rubber in the casing is used up, the taking-out port is exposed by opening the port plug, the movable rubber seat can be taken out, a new rubber is replaced, and the repeated use is realized.

Drawings

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

FIG. 2 is a top view of the present invention;

FIG. 3 is a side view of the present invention with the housing and port plug removed;

FIG. 4 is a bottom view of the movable rubber mount and grip of the present invention;

FIG. 5 is an exploded view of the movable rubber mount and grip of the present invention;

fig. 6 is an exploded view of the housing and port plug of the present invention.

Description of reference numerals:

the rubber body 1, the shell 2, the rubber outlet 21, the empty groove 22, the taking-out opening 23, the through hole 24, the antiskid thin strip 25, the movable rubber base 3, the rubber clamping groove 31, the clamping convex strip 311, the moving strip 32, the moving convex block 321, the accommodating groove 33, the clamping piece 4, the pushing block 41, the clamping convex block 42, the port plug 5 and the antiskid convex strip 6.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 6, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a pushable eraser, which comprises an eraser body 1, a shell 2, a movable eraser holder 3 and a clamping piece 4, wherein the shell 2 is of a hollow structure, an eraser outlet 21 is arranged at one end of the shell 2, the eraser body 1 is accommodated in the shell 2, an eraser clamping groove 31 is arranged on the movable eraser holder 3, the eraser body 1 is accommodated in the eraser clamping groove 31, a hollow groove 22 is arranged on the top surface of the shell 2, teeth are arranged on two sides of the hollow groove 22, a movable strip 32 is arranged on the movable eraser holder 3, two movable strips 32 are symmetrically arranged, a movable lug 321 is arranged on each movable strip 32, the movable lugs 321 are matched with the teeth on the hollow groove 22, a pushing block 41 is arranged on the clamping piece 4, the pushing block 41 is arranged between the two movable strips 32, when the rubber body 1 is needed to be used and the rubber body 1 is pushed out of the shell 2, the movable rubber seat 3 is pushed by hand, the movable lug 321 moves between teeth on the hollow groove 22, when the moving projection 321 moves to the convex teeth, the two moving strips 32 are pressed by the teeth on the two sides to close each other, the moving projection 321 can smoothly pass through each tooth, the moving rubber seat 3 carries the rubber body 1 to move on the shell 2 under the pushing of the hand, thereby pushing the eraser body 1 out of the eraser outlet 21, and when the eraser body 1 is pushed out to a length desired by the user, the stoppers 4 are moved so that the push blocks 41 come close to the two moving protrusions 321, so that the moving protrusions 321 are caught on the tooth grooves of the empty grooves 22, the moving bars 32 are blocked by the push blocks 41, cannot be drawn close to each other, therefore, the locking is completed, and the eraser body 1 cannot move and retract in the using process.

Preferably, an outlet 23 is provided at one end of the case 2 away from the rubber outlet 21, a port plug 5 is provided on the outlet 23, the port plug 5 is movably connected to the case 2, and when the rubber in the case 2 is used up, the outlet 23 is exposed by opening the port plug 5, so that the movable rubber holder 3 can be taken out and replaced with a new rubber, thereby realizing repeated use.

Preferably, the locking piece 4 is provided with a locking projection 42, the movable rubber base 3 is provided with an accommodating groove 33, the locking projection 42 is matched with the accommodating groove 33, when the position of the rubber body 1 needs to be fixed, the locking piece 4 is pushed by hand to enable the push block 41 to be close to the two movable projections, at the moment, the locking projection 42 moves to the accommodating groove 33 and is clamped by the accommodating groove 33, so that even if the locking piece 4 is moved away by hand, the relative position of the locking piece 4 and the movable rubber base 3 is still kept, when the rubber body 1 needs to be accommodated in the shell 2 after use is finished, the locking piece 4 is pushed by hand in the opposite direction of locking, the locking projection 42 is enabled to leave the accommodating groove 33, the push block 41 is correspondingly far away from the movable projection 321, and locking is released, so that the movable strips 32 can be close to each other when the movable projection 321 passes through teeth.

Preferably, the upper surfaces of the movable rubber holder 3 and the engaging member 4 are provided with an anti-slip ridge 6 for preventing a hand from slipping when the movable rubber holder 3 and the engaging member 4 are operated by the hand.

Preferably, the casing 2 is provided with a through hole 24, so that a rope can conveniently penetrate through the through hole 24 to fix the eraser at a certain position, and the eraser is prevented from being lost.

Preferably, the housing 2 is provided with anti-slip strips 25 on both sides thereof so that the housing 2 can be comfortably held in use, thereby preventing slipping hands in wiping use.

Preferably, the inner side of the rubber clamping groove 31 is provided with a clamping convex strip 311, which increases the friction force between the rubber clamping groove 31 and the rubber body 1, so that the rubber body 1 is more stably mounted on the rubber clamping groove 31, and the rubber body 1 is prevented from sliding down on the rubber clamping groove 31.

The working principle is as follows: when the eraser body 1 is not needed to be used, the eraser body 1 is placed in the shell 2, when the eraser body 1 is needed to be used, under the condition that the clamping fastener 4 does not lock the movable eraser holder 3, the movable eraser holder 3 is pushed by a hand to drive the eraser body 1 to move, so that the eraser body 1 extends out of the shell 2 through the eraser outlet 21, in the process that the movable eraser holder 3 is pushed, the movable lug 321 on the movable eraser holder 3 comes to the tooth position on the inner side of the hollow groove 22 and is squeezed by the tooth, then the movable strips 32 are driven to be close to each other, when the movable lug 321 comes to the tooth space between the teeth, the movable strips 32 are separated from each other, and the movable eraser holder 3 moves along the pushing direction of a user with a blocking feeling;

when the rubber body 1 is exposed out of the length desired by a user, the clamping piece 4 is pushed, so that the pushing block 41 positioned between the two moving strips 32 is close to the moving convex block 321, the moving convex block 321 is squeezed by teeth and cannot drive the moving strips 32 to approach each other due to the obstruction of the pushing block 41, so that the moving convex block 321 is clamped in a tooth socket between the teeth, the moving rubber base 3 cannot be pushed forcefully, the clamping of the moving rubber base 3 is completed, at the moment, the clamping convex block 42 is positioned at the accommodating groove 33 and clamped by the accommodating groove 33, and the clamping piece 4 is still kept in a relative position with the moving rubber base 3 even if the clamping piece 4 is moved by hand, and the clamping piece 4 is locked;

after use, when the eraser body 1 needs to be accommodated in the casing 2, the clamping part 4 is firstly pushed by hand in the opposite direction of locking, so that the clamping lug 42 is away from the accommodating groove 33, the locking of the clamping part 4 is released, the push block 41 is then far away from the moving lug 321, the locking of the moving eraser holder 3 is released, the moving strips 32 can be close to each other when the moving lug 321 passes through teeth, and at the moment, the moving eraser holder 3 is pushed by hand to drive the eraser body 1 to move back to the casing 2, so that the eraser body 1 is accommodated.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. A pushable eraser which is characterized in that: the rubber clamping device comprises a rubber body (1), a shell (2), a movable rubber seat (3) and a clamping piece (4), wherein the shell (2) is of a hollow structure, a rubber outlet (21) is formed in one end of the shell (2), the rubber body (1) is accommodated in the shell (2), a rubber clamping groove (31) is formed in the movable rubber seat (3), the rubber body (1) is accommodated in the rubber clamping groove (31), a hollow groove (22) is formed in the top surface of the shell (2), teeth are arranged on two sides of the hollow groove (22), a movable strip (32) is arranged on the movable rubber seat (3), the movable strips (32) are symmetrically arranged, a movable convex block (321) is arranged on each movable strip (32), the movable convex block (321) is matched with the teeth on the hollow groove (22), and a pushing block (41) is arranged on the clamping piece (4), the push block (41) is arranged between the two moving strips (32).

2. A pushable eraser according to claim 1, wherein: one end of the shell (2) far away from the rubber outlet (21) is provided with a take-out port (23), the take-out port (23) is provided with a port plug (5), and the port plug (5) is movably connected with the shell (2).

3. A pushable eraser according to claim 1, wherein: the clamping and stopping piece (4) is provided with a clamping and stopping lug (42), the movable rubber seat (3) is provided with an accommodating groove (33), and the clamping and stopping lug (42) is matched with the accommodating groove (33).

4. A pushable eraser according to claim 1, wherein: the upper surfaces of the movable rubber seat (3) and the clamping and stopping piece (4) are provided with anti-skid convex strips (6).

5. A pushable eraser according to claim 1, wherein: the shell (2) is provided with a through hole (24).

6. A pushable eraser according to claim 1, wherein: and anti-skidding thin strips (25) are arranged on two sides of the shell (2).

7. A pushable eraser according to claim 1, wherein: the inner side of the rubber clamping groove (31) is provided with a clamping convex strip (311).

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