CN212098177U - Firm eraser - Google Patents

Abstract

The utility model discloses a firm eraser aims at solving long banding eraser because the material is softer, breaks easily, and the eraser after the breakage is most directly abandoned, has caused the problem of wasting of resources. The key points of the technical scheme are as follows: the utility model provides a firm eraser, includes the eraser body, is equipped with clamping device on the outer wall of eraser body, and clamping device includes a plurality of grip blocks and the connection rope of connecting a plurality of grip blocks, all is equipped with the through-hole that supplies the connection rope to pass on a plurality of grip blocks, is formed with the space that is used for placing the eraser body between a plurality of grip blocks, connects the equal fixedly connected with pull ring in both ends of rope, and the pull ring is located outside the casing all the time. The utility model discloses a clamping device, the structural strength of reinforcing eraser body prevents that the breakage from appearing in the eraser body to abandon after avoiding the eraser body rupture, cause the wasting of resources.

Description

Firm eraser

Technical Field

The utility model relates to a stationery technical field, more specifically say, it relates to a firm eraser.

Background

The eraser is stationery made of rubber and can erase traces of graphite or ink. The eraser has various types, different shapes and colors, and comprises a common fragrant eraser, a special art eraser with models of 2B, 4B, 6B and the like for painting, a plastic eraser and the like.

Most of the existing erasers in the market are long strips, the erasers are soft and easy to break, and most of the broken erasers are directly discarded, so that resource waste is caused, and therefore a new scheme needs to be provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a firm eraser, through clamping device, the structural strength of reinforcing eraser body prevents that the fracture from appearing in the eraser body to abandon after avoiding the eraser body fracture, cause the wasting of resources.

The above technical purpose of the present invention can be achieved by the following technical solutions: the firm eraser comprises an eraser body, wherein a clamping device is arranged on the outer wall of the eraser body and comprises a plurality of clamping plates and connecting ropes for connecting the clamping plates, through holes for the connecting ropes to pass through are formed in the plurality of clamping plates, a space for placing the eraser body is formed between the plurality of clamping plates, pull rings are fixedly connected to the two ends of the connecting ropes, and the pull rings are located outside a shell all the time.

Through adopting above-mentioned technical scheme, place the eraser body in the space between the grip block, remove the eraser body and lie in the middle part of eraser body until the grip block, later keep away from grip block one side pulling connection rope both ends pull ring, under the pulling force of pull ring drives, the connection rope is taut, thereby make the grip block press from both sides the eraser body tightly, tie the connection rope at both ends and avoid the connection rope reconversion to lead to the grip block to appear becoming flexible to the centre gripping of eraser body, with this fix the eraser body, because the existence of grip block during wiping, can strengthen the structural strength of eraser body, prevent that the eraser body from appearing breaking, thereby abandoning after avoiding the eraser body to break, cause the wasting of resources.

The utility model discloses further set up to: the pull ring clamping device is characterized in that a placing groove used for placing the pull ring is formed in the side wall of the clamping plate, a limiting groove used for placing the connecting rope is formed in the placing groove, and a fixing structure used for fixing the pull ring in the placing groove is arranged on the placing groove.

Through adopting above-mentioned technical scheme, will connect the rope and put into the spacing groove after, put into the standing groove with the pull ring in, recycle fixed knot and construct and fix the pull ring in the standing groove, avoid the pull ring to rock the influence eraser body and clean the writing.

The utility model discloses further set up to: the fixing structure comprises a sliding groove, a clamping block and a clamping groove, the clamping block is connected to the inside of the sliding groove in a sliding mode, the clamping groove is matched with the clamping block, the sliding groove is located on the side wall of the opening of the placing groove, and the clamping groove is located on the side wall of the opening of the placing groove and symmetrical to the sliding groove.

Through adopting above-mentioned technical scheme, put into the standing groove with the pull ring back, keep away from sliding tray one side towards and promote the fixture block until fixture block and the mutual block of draw-in groove to this realization is fixed the effect in the standing groove with the pull ring.

The utility model discloses further set up to: the side wall of the sliding groove is provided with a sliding groove, the side wall of the clamping block is fixedly connected with a sliding block, and the sliding groove and the clamping block are connected in a sliding mode through the sliding groove and the sliding block.

Through adopting above-mentioned technical scheme, utilize spout and slider to be connected sliding tray and fixture block, avoid the fixture block to separate from the sliding tray at the removal in-process.

The utility model discloses further set up to: the side wall of the side, facing the eraser body, of the clamping plate is provided with a plurality of bulges.

Through adopting above-mentioned technical scheme, increased the roughness on grip block towards eraser body one side lateral wall surface to increase the frictional force between grip block and the eraser body, improve the fastness of the fixed eraser body of grip block.

The utility model discloses further set up to: the connecting rope is a nylon rope.

Through adopting above-mentioned technical scheme, the nylon rope has good wearability to can improve the life who connects the rope.

To sum up, the utility model discloses following beneficial effect has:

through clamping device, strengthen the structural strength of eraser body, prevent that the eraser body from appearing the rupture to abandoning after avoiding the eraser body rupture, cause the wasting of resources.

Drawings

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

fig. 2 is a schematic diagram of the internal structure of the present invention.

In the figure: 1. an eraser body; 2. a clamping plate; 3. connecting ropes; 4. a through hole; 5. a pull ring; 6. a limiting groove; 7. a placement groove; 8. a slider; 9. a sliding groove; 10. a clamping block; 11. a card slot; 12. a protrusion; 13. a chute.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A firm eraser is disclosed, as shown in figures 1-2, comprising an eraser body 1, wherein the outer wall of the eraser body 1 is provided with a clamping device, the clamping device comprises a plurality of clamping plates 2 and connecting ropes 3 connecting the plurality of clamping plates 2, the plurality of clamping plates 2 are provided with through holes 4 for the connecting ropes 3 to pass through, a space for placing the eraser body 1 is formed between the plurality of clamping plates 2, both ends of the connecting rope 3 are fixedly connected with pull rings 5, the pull rings 5 are always positioned outside a shell, the eraser body 1 is placed in the space between the clamping plates 2, the eraser body 1 is moved until the clamping plates 2 are positioned in the middle of the eraser body 1, then the pull rings 5 at both ends of the connecting rope 3 are pulled towards one side far away from the clamping plates 2, the connecting rope 3 is tightened under the driving of the pull force of the pull rings 5, so that the clamping plates 2 clamp the eraser body 1 tightly, the connecting ropes 3 at the two ends are knotted to avoid the phenomenon that the clamping plate 2 clamps the eraser body 1 loosely due to the recovery of the connecting ropes 3, so that the eraser body 1 is fixed, the structural strength of the eraser body 1 can be enhanced due to the existence of the clamping plate 2 during wiping, and the eraser body 1 is prevented from being broken, so that the eraser body 1 is prevented from being discarded after being broken, and the resource waste is avoided;

the side wall of the clamping plate 2 is provided with a placing groove 7 for placing the pull ring 5, the placing groove 7 is provided with a limiting groove 6 for placing the connecting rope 3, the placing groove 7 is provided with a fixing structure for fixing the pull ring 5 in the placing groove 7, after the connecting rope 3 is placed in the limiting groove 6, the pull ring 5 is placed in the placing groove 7, then the fixing structure is used for fixing the pull ring 5 in the placing groove 7, the phenomenon that the wiping handwriting of the eraser body 1 is affected by the shaking of the pull ring 5 is avoided, the fixing structure comprises a sliding groove 9, a clamping block 10 connected in the sliding groove 9 in a sliding mode and a clamping groove 11 matched with the clamping block 10 for use, the sliding groove 9 is located on the side wall at the opening of the placing groove 7, the clamping groove 11 is located on the side wall at the opening of the placing groove 7 and symmetrical to the sliding groove 9, after the pull ring 5 is placed in the placing groove 7, the clamping block 10 is pushed towards, the pull ring 5 is fixed in the placing groove 7, the sliding groove 13 is formed in the side wall of the sliding groove 9, the sliding block 8 is fixedly connected to the side wall of the clamping block 10, the sliding groove 9 is in sliding connection with the clamping block 10 through the sliding groove 13 and the sliding block 8, the sliding groove 9 is connected with the clamping block 10 through the sliding groove 13 and the sliding block 8, and the clamping block 10 is prevented from being separated from the sliding groove 9 in the moving process;

be equipped with a plurality of archs 12 on the lateral wall of grip block 2 towards 1 one side of eraser body, increased the roughness on grip block 2 towards 1 one side lateral wall surface of eraser body to increase the frictional force between grip block 2 and the eraser body 1, improve the fastness of the fixed eraser body 1 of grip block 2, connect the rope 3 and be the nylon rope, the nylon rope has good wearability, thereby can improve the life who connects rope 3.

The utility model is normally used, firstly, the eraser body 1 is placed in the space between the clamping plates 2, the eraser body 1 is moved until the clamping plates 2 are positioned in the middle of the eraser body 1, then the pull rings 5 at the two ends of the connecting rope 3 are pulled towards one side far away from the clamping plates 2, the connecting rope 3 is tightened under the driving of the pulling force of the pull rings 5, thereby the clamping plates 2 clamp the eraser body 1 tightly, the connecting rope 3 positioned outside the shell is wound in the limiting groove 6, then the two ends of the connecting rope 3 are knotted to avoid the phenomenon that the clamping of the clamping plates 2 to the eraser body 1 is loosened due to the restoring of the connecting rope 3, after the connecting rope 3 is placed in the limiting groove 6, the pull rings 5 are placed in the placing groove 7, the clamping blocks 10 are clamped with the clamping grooves 11 by sliding the clamping blocks 10, the pull rings 5 are fixed in the placing groove 7, thereby the eraser body 1 is fixed, because of the clamping plates 2 during wiping, the structural strength of the eraser body 1 can be enhanced, the eraser body 1 is prevented from being broken, so that the problem that the eraser body 1 is discarded after being broken to cause resource waste is avoided, and the clamping plate 2 is made of polymethyl methacrylate, so that the eraser has the characteristics of high transparency, low price, toughness, hardness and rigidity.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (6)

1. A firm eraser comprises an eraser body (1) and is characterized in that: the eraser is characterized in that a clamping device is arranged on the outer wall of the eraser body (1), the clamping device comprises a plurality of clamping plates (2) and connecting ropes (3) for connecting the plurality of clamping plates (2), the clamping plates (2) are provided with through holes (4) for the connecting ropes (3) to pass through, a space for placing the eraser body (1) is formed between the clamping plates (2), pull rings (5) are fixedly connected to the two ends of the connecting ropes (3), and the pull rings (5) are located outside the shell all the time.

2. A robust eraser as claimed in claim 1, wherein: the pull ring connecting device is characterized in that a placing groove (7) used for placing the pull ring (5) is formed in the side wall of the clamping plate (2), a limiting groove (6) used for placing the connecting rope (3) is formed in the placing groove (7), and a fixing structure used for fixing the pull ring (5) in the placing groove (7) is arranged on the placing groove (7).

3. A robust eraser as claimed in claim 2, wherein: the fixing structure comprises a sliding groove (9), a clamping block (10) connected to the inside of the sliding groove (9) in a sliding mode and a clamping groove (11) matched with the clamping block (10) for use, the sliding groove (9) is located on the side wall of the opening of the placing groove (7), and the clamping groove (11) is located on the side wall, symmetrical to the sliding groove (9), of the opening of the placing groove (7).

4. A robust eraser as claimed in claim 3, wherein: the side wall of the sliding groove (9) is provided with a sliding groove (13), the side wall of the clamping block (10) is fixedly connected with a sliding block (8), and the sliding groove (9) is in sliding connection with the clamping block (10) through the sliding groove (13) and the sliding block (8).

5. A robust eraser as claimed in claim 1, wherein: the side wall of the side of the clamping plate (2) facing the eraser body (1) is provided with a plurality of bulges (12).

6. A robust eraser as claimed in claim 1, wherein: the connecting rope (3) is a nylon rope.

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