CN110001250B

CN110001250B - Multi-specification eraser sleeve

Info

Publication number: CN110001250B
Application number: CN201910170162.2A
Authority: CN
Inventors: 邹辉
Original assignee: Anhui Institute of Information Engineering
Current assignee: Anhui Institute of Information Engineering
Priority date: 2019-03-07
Filing date: 2019-03-07
Publication date: 2021-05-18
Anticipated expiration: 2039-03-07
Also published as: CN110001250A

Abstract

The invention discloses a multi-specification rubber eraser sleeve, which comprises a bottom block, wherein a plastic base is fixedly connected to the top side wall of the bottom block, a square groove block is assembled in the center of an inner cavity of the plastic base, a first square sleeve block is assembled in the inner cavity of the square groove block, a first rubber is fixedly connected to the top side wall of the first square sleeve block, a sleeve cover is assembled on the outer side wall of the plastic base, a rubber layer is symmetrically and fixedly connected to the inner cavity of the sleeve cover, the rubber layer is in interference connection with the plastic base, a square groove is symmetrically formed in the inner cavity of the plastic base, a second square sleeve block is assembled in the inner cavity of the square groove, and a second rubber is fixedly connected to the top side. The invention is provided with the eraser sleeves with multiple specifications, and rubber heads with different specifications are replaced by using the first square sleeve block and the second square sleeve block, so that errors caused during drawing can be avoided, time and energy for repeatedly drawing and erasing during drawing are saved, and the cleanliness of drawing is also maintained.

Description

Multi-specification eraser sleeve

The technical field is as follows:

the invention relates to the technical field of stationery, in particular to a multi-specification eraser sleeve.

Background art:

the eraser has the advantages that the eraser is various in types, different in shape and color, common fragrant erasers are provided, art special erasers with models of 2B, 4B, 6B and the like for drawing are provided, plastic erasers and the like are provided, and for more complicated pencil precision drawing and modification, errors are difficult to achieve when the eraser is used for modifying some fine places, namely, the places which do not need to be modified beside a modification area are not affected, so that repeated drawing and coating can be caused, even paper is scratched, and a multi-specification eraser sleeve is provided.

The invention content is as follows:

the invention aims to provide a multi-specification eraser sleeve to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a many specifications eraser suit, includes the bottom block, the top lateral wall fixedly connected with plastic base of bottom block, plastic base's inner chamber center department is equipped with square groove block, the inner chamber of square groove block is equipped with first square sleeve block, the first eraser of top lateral wall fixedly connected with of first square sleeve block, plastic base's lateral wall is equipped with the upper shield, the inner chamber symmetry fixedly connected with rubber layer of upper shield, the rubber layer is connected with plastic base interference, square groove has been seted up to plastic base's inner chamber symmetry, square groove's inner chamber is equipped with the square sleeve block of second, the top lateral wall fixedly connected with second eraser of the square sleeve block of second.

Preferably, the inner chamber fixedly connected with cover block of end piece, the center department of cover block is equipped with the bearing, the center department of bearing is equipped with the center block, the top lateral wall fixedly connected with threaded rod of center block, the lateral wall threaded connection of threaded rod has square thread bush, square thread bush and end piece clearance fit, the top lateral wall and the square groove piece of square thread bush laminate mutually.

Preferably, the bottom side wall of the bottom block is provided with an arc-shaped groove, the bottom side wall of the central block is fixedly connected with a support block, the bottom side wall of the support block is fixedly connected with an arc-shaped rod, and the arc-shaped rod is in clearance fit with the arc-shaped groove.

Preferably, the bottom side wall of the arc-shaped rod is fixedly connected with a bottom rod, and the bottom side wall of the bottom rod is fixedly connected with a brush.

Preferably, the inner cavities of the two square grooves are symmetrically and fixedly connected with springs, the top side walls of the springs are fixedly connected with lugs, and the top side walls of the lugs are in clearance fit with the second square sleeve blocks.

Preferably, the inner side wall of the sleeve cover is symmetrically and fixedly connected with inner rods, the inner side walls of the two inner rods are fixedly connected with clamping groove blocks, and the two clamping groove blocks are attached to the first rubber.

Compared with the prior art, the invention has the beneficial effects that: the invention is provided with a multi-specification eraser sleeve, and by using the first square sleeve block and the second square sleeve block, when the precise drawing needs to be corrected, because the first eraser and the second eraser are different in thickness, the eraser with proper thickness is selected according to the width of the correction place, the first eraser is firstly buckled in the inner cavity of the first square sleeve block, then the first square sleeve block is inserted in the hole of the plastic base, the sleeve cover is sleeved on the outer wall of the plastic base, meanwhile, the friction force between the rubber layers is increased, so that the connection is firmer, the top of the first rubber can penetrate through the sleeve cover, the eraser can be used for erasing, the first eraser is taken down after the erasing is finished and is inserted back into the eraser hole, the eraser heads with different specifications are replaced, the drawing board can avoid errors caused during drawing, save time and energy for repeated drawing and erasing during drawing, and also keep the cleanliness of the drawing.

Description of the drawings:

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

Fig. 2 is a sectional view of a coupling structure of a sleeve block and a bearing in fig. 1.

Fig. 3 is a sectional view of a coupling structure of a second square pocket block and a bump in fig. 1.

In the figure: 1. the rubber shoe comprises a bottom block, a plastic base, a square groove block, a first square sleeve block, a first rubber, a second rubber, a sleeve cover, a second rubber, a square groove, a second square sleeve block, a second rubber, a sleeve block, a bearing, a central block, a threaded rod, a square threaded sleeve, a supporting block.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

Referring to fig. 1-3, the present invention provides a technical solution: a multi-specification rubber eraser sleeve comprises a bottom block 1, wherein a plastic base 2 is fixedly connected to the top side wall of the bottom block 1, a square groove block 3 is assembled at the center of an inner cavity of the plastic base 2, a first square sleeve block 4 is assembled in the inner cavity of the square groove block 3, a first rubber 5 is fixedly connected to the top side wall of the first square sleeve block 4, a sleeve cover 6 is assembled on the outer side wall of the plastic base 2, a rubber layer 22 is symmetrically and fixedly connected to the inner cavity of the sleeve cover 6, the rubber layer 22 is in interference connection with the plastic base 2, square grooves 7 are symmetrically formed in the inner cavity of the plastic base 2, a second square sleeve block 8 is assembled in the inner cavity of the square groove 7, a second rubber 9 is fixedly connected to the top side wall of the second square sleeve block 8, when precise drawing needs to be corrected, the first rubber 5 and the second rubber 9 are different in thickness, a rubber with proper thickness is selected according to the local width and fineness degree of correction, the first rubber 5 is buckled in the inner, then the first square sleeve block 4 is inserted in a hole of the plastic base 2, the first square sleeve block 4 is the same as a groove formed in the plastic base 2, the first square sleeve block 4 can be clamped in an inner cavity of the plastic base 2 to be fixed, the sleeve cover 6 is sleeved on the outer wall of the plastic base 2, meanwhile, friction force between the rubber layers 22 is increased, connection can be firmer, the top of the first eraser 5 can penetrate through the sleeve cover 6 to be erased, the first eraser 5 is taken down after erasing is finished and inserted back into the eraser hole, and when the erasing with different widths needs to be adjusted, the erasers with different thicknesses and specifications can be replaced by the same method.

Particularly, inner chamber fixedly connected with cover block 10 of bottom block 1, the center department of cover block 10 is equipped with bearing 11, bearing 11's center department is equipped with center block 12, the top lateral wall fixedly connected with threaded rod 13 of center block 12, the lateral wall threaded connection of threaded rod 13 has square thread bush 14, square thread bush 14 and bottom block 1 clearance fit, square thread bush 14's top lateral wall and square groove piece 3 are laminated mutually, when first rubber 5 consumes, can twist center block 12 and drive bearing 11 and rotate, when rotating threaded rod 13, through the nature of screw thread auto-lock, upwards move square thread bush 14, square groove piece 3 at laminating top promotes, change the length that first rubber 5 exposes, more conveniently scribble.

Specifically, the bottom side wall of the bottom block 1 is provided with an arc-shaped groove 15, the bottom side wall of the central block 12 is fixedly connected with a support block 16, the bottom side wall of the support block 16 is fixedly connected with an arc-shaped rod 17, the arc-shaped rod 17 is in clearance fit with the arc-shaped groove 15, when altering is carried out, a user can place a forefinger on the surface of the arc-shaped rod 17 for erasing, and due to the arc shape, the bottom side wall is more convenient and labor-saving from the human ergonomic angle.

Particularly, the end lateral wall fixedly connected with sill bar 18 of arc pole 17, the end lateral wall fixedly connected with brush 19 of sill bar 18, after altering, can invert whole, wipe the eraser fillings through brush 19, avoid damaging the paper when the clearance.

Specifically, the inner chamber symmetry fixedly connected with spring 20 of two square grooves 7, the top lateral wall fixedly connected with lug 21 of spring 20, the top lateral wall and the square nest block 8 clearance fit of second of lug 21, spring 20 is compression spring, spring 20 can support the square nest block 8 of second, laminate with the square nest block 8 of second by lug 21, support when the square nest block 8 of second laminates with square groove 7, when needs are pulled out, press down second rubber 9, can make the square nest block 8 of second laminate with spring 20, compress through spring 20 and pop out the square nest block 8 of second, conveniently take out the square nest block 8 of second and second rubber 9.

Particularly, interior pole 23 of the inside wall symmetry fixedly connected with of upper shield 6, the inside wall fixedly connected with draw-in groove piece 24 of two interior poles 23, two draw-in groove pieces 24 laminate mutually with first rubber 5, interior pole 23 can support draw-in groove piece 24 at the inner chamber of upper shield 6, and the inner wall of draw-in groove piece 24 is seted up flutedly, and the recess cries and laminates with first rubber 5, can support first rubber 5, avoids first rubber 5 rupture when scribbling.

The working principle is as follows: when the precise drawing needs to be corrected, because the thickness specifications of the first eraser 5 and the second eraser 9 are different, an eraser with a proper thickness specification is selected according to the width specification of a correction place, the first eraser 5 is buckled in the inner cavity of the first square sleeve block 4, then the first square sleeve block 4 is inserted into the hole of the plastic base 2, the sleeve cover 6 is sleeved on the outer wall of the plastic base 2, meanwhile, the friction force between the first eraser and the second square sleeve block is increased through the rubber layer 22, the connection can be firmer, the top of the first eraser 5 can penetrate through the sleeve cover 6 to perform the erasing, the first eraser 5 is taken down after the erasing is finished and then inserted into the eraser hole, and when the correction with different widths needs to be adjusted, the erasers with different thickness specifications can be replaced by the same method.

Claims

1. The utility model provides a many specifications eraser suit which characterized in that: the rubber layer sealing device comprises a bottom block (1), wherein a plastic base (2) is fixedly connected to the top side wall of the bottom block (1), a square groove block (3) is assembled at the center of an inner cavity of the plastic base (2), a first square sleeve block (4) is assembled in the inner cavity of the square groove block (3), a first rubber (5) is fixedly connected to the top side wall of the first square sleeve block (4), a sleeve cover (6) is assembled on the outer side wall of the plastic base (2), a rubber layer (22) is symmetrically and fixedly connected to the inner cavity of the sleeve cover (6), the rubber layer (22) is in interference connection with the plastic base (2), a square groove (7) is symmetrically formed in the inner cavity of the plastic base (2), a second square sleeve block (8) is assembled in the inner cavity of the square groove (7), and a second rubber (9) is fixedly connected to the top side wall of the second square sleeve block;

the inner cavity of the bottom block (1) is fixedly connected with a sleeve block (10), a bearing (11) is assembled at the center of the sleeve block (10), a center block (12) is assembled at the center of the bearing (11), a threaded rod (13) is fixedly connected to the top side wall of the center block (12), a square threaded sleeve (14) is in threaded connection with the outer side wall of the threaded rod (13), the square threaded sleeve (14) is in clearance fit with the bottom block (1), and the top side wall of the square threaded sleeve (14) is attached to the square groove block (3);

two the inner chamber symmetry fixedly connected with spring (20) of square groove (7), the top lateral wall fixedly connected with lug (21) of spring (20), the top lateral wall and the square nest block of second (8) clearance fit of lug (21).

2. A multi-gauge eraser kit according to claim 1, wherein: arc wall (15) have been seted up to the bottom lateral wall of bottom block (1), the bottom lateral wall fixedly connected with of center block (12) props up piece (16), the bottom lateral wall fixedly connected with arc pole (17) of propping up piece (16), arc pole (17) and arc wall (15) clearance fit.

3. A multi-gauge eraser kit according to claim 2, wherein: the bottom side wall of the arc-shaped rod (17) is fixedly connected with a bottom rod (18), and the bottom side wall of the bottom rod (18) is fixedly connected with a brush (19).

4. A multi-gauge eraser kit according to claim 1, wherein: the inner side wall of the sleeve cover (6) is symmetrically and fixedly connected with an inner rod (23), the inner side wall of the inner rod (23) is fixedly connected with two clamping groove blocks (24), and the two clamping groove blocks (24) are attached to the first rubber (5).