CN210553843U

CN210553843U - Healthy and environment-friendly blackboard eraser

Info

Publication number: CN210553843U
Application number: CN201920945271.2U
Authority: CN
Inventors: 范俪馨; 胡馨元
Original assignee: Jinhua Ziruren Technology Co Ltd
Current assignee: Jinhua Ziruren Technology Co Ltd
Priority date: 2019-06-22
Filing date: 2019-06-22
Publication date: 2020-05-19
Anticipated expiration: 2029-06-22

Abstract

The utility model discloses a healthy environmental protection blackboard eraser, including frame and handle, the below of frame is connected with the base, and the upper end welded connection of base has the connecting piece, the internally mounted of base has the stock guide, the inside of frame is provided with the connecting plate, and the surface of connecting plate is connected with the sponge board, the inside of connecting plate is inlayed and is provided with the second permanent magnetism piece, and the second permanent magnetism piece is connected with first permanent magnetism piece magnetism to first permanent magnetism piece is inlayed and is set up the inside at the frame, handle welded connection is in the front side of frame, equidistant the inlaying of rear side surface of base is provided with the ball, the fan passes through connecting rod and fixed disk fixed connection, the rubber wheel is installed in the outside of fixed disk. This healthy environmental protection blackboard eraser will well the environmental protection, can collect the dust, and the installation and the dismantlement of the sponge board of being convenient for, life is longer to convenient to use person's taking.

Description

Healthy and environment-friendly blackboard eraser

Technical Field

The utility model relates to a relevant technical field of blackboard eraser specifically is a healthy environmental protection blackboard eraser.

Background

The blackboard eraser is one of common tools in classrooms and is used for erasing chalk marks on a blackboard, the common blackboard eraser is small in size and is usually of a block structure, and the chalk marks are erased through a sponge plate arranged on the blackboard eraser.

However, the existing blackboard eraser in the current market is not environment-friendly enough and can not collect dust, the common blackboard eraser is inconvenient for mounting and dismounting the sponge plate, the service life is short, and the common blackboard eraser is inconvenient for a user to take, so that a healthy and environment-friendly blackboard eraser is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a healthy environmental protection blackboard eraser to solve the not enough environmental protection of most of blackboard erasers of proposing in the above-mentioned background art, can not collect the dust, and be not convenient for to the installation and the dismantlement of sponge board, life is shorter, and the not convenient to use person's the problem of taking.

In order to achieve the above object, the utility model provides a following technical scheme: a healthy and environment-friendly blackboard eraser, which comprises a frame and a handle, wherein a base is connected below the frame, the upper end of the base is welded with a connecting piece, a material guide plate is arranged in the base, a connecting plate is arranged in the frame, the outer surface of the connecting plate is connected with a sponge plate, a second permanent magnet is embedded in the connecting plate and is magnetically connected with the first permanent magnet, the first permanent magnet blocks are embedded in the frame, the handle is welded on the front side of the frame, the back side surface of the base is embedded with balls at equal intervals, and the bottom of the base is provided with a fan which is fixedly connected with the fixed disc through a connecting rod, the connecting rod penetrates through the bottom of the base, the rubber wheel is installed in the outside of fixed disk, and swing joint has the fastener on the fixed disk to the left side fixed mounting of fastener has the elastic component.

Preferably, the connecting pieces are symmetrically arranged about a vertical central axis of the base, the longitudinal section of each connecting piece is in a shape of a rounded T, and each connecting piece is of an elastic structure.

Preferably, the longitudinal section of the material guide plate is in an inverted V-shaped structure, the surface of the material guide plate is in a honeycomb structure, and the material guide plate is fixedly connected with the base.

Preferably, the sponge plate is connected with the connecting plate in a sticking mode, the connecting plate is connected with the upper end and the lower end of the frame in a clamping mode, and the connecting plate is connected with the inner surface of the frame in a magnetic mode.

Preferably, the outer surface of the rubber wheel is of a concave-convex structure, and the inner surface of the rubber wheel is of a sawtooth structure.

Preferably, the connecting mode of the clamping piece and the rubber wheel is clamping connection, and the clamping piece is of a rotating structure on the fixed disc.

Compared with the prior art, the beneficial effects of the utility model are that: the healthy and environment-friendly blackboard eraser is healthy and environment-friendly, can collect dust, is convenient for mounting and dismounting the sponge plate, has long service life and is convenient for a user to take;

1. the lower end of the frame is provided with the base, the guide plate, the fan and other structures are arranged in the base, and the rubber wheel, the fixed disc, the clamping piece and the elastic piece are arranged below the fan, so that the frame can drive the rubber wheel to rotate while moving, the fan is driven to rotate, dust is conveniently adsorbed and collected, and the dust is prevented from being absorbed by a human body to influence the health;

2. the connecting plate is arranged on the sponge plate, is connected with the upper end and the lower end of the frame in a clamping manner, and is magnetically connected with the frame on the inner surface, so that the connection firmness of the connecting plate and the frame is ensured, and the connecting plate is convenient to disassemble, so that the sponge plate is convenient to replace and clean, and the service life is prolonged;

3. the front side of the frame is provided with the handle, the cross section of the handle is in an I shape, the handle is made of rubber, the user can hold the handle to take the blackboard eraser through holding the handle when taking the blackboard eraser, the taking comfort is guaranteed, and the blackboard eraser can be prevented from falling off when the blackboard eraser is used.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is a schematic view of the overlooking section structure of the rubber wheel and the fixed disk of the present invention.

In the figure: 1. a frame; 2. a base; 3. a connecting member; 4. a material guide plate; 5. a sponge plate; 6. a connecting plate; 7. a first permanent magnet; 8. a second permanent magnet; 9. a handle; 10. a ball bearing; 11. a fan; 12. a rubber wheel; 13. fixing the disc; 14. a fastener; 15. an elastic member; 16. a connecting rod.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a healthy and environment-friendly blackboard eraser comprises a frame 1, a base 2, a connecting piece 3, a material guide plate 4, a sponge plate 5, a connecting plate 6, a first permanent magnet 7, a second permanent magnet 8, a handle 9, balls 10, a fan 11, a rubber wheel 12, a fixed disc 13, a clamping piece 14, an elastic piece 15 and a connecting rod 16, wherein the base 2 is connected below the frame 1, the connecting piece 3 is welded and connected to the upper end of the base 2, the material guide plate 4 is installed inside the base 2, the connecting plate 6 is arranged inside the frame 1, the sponge plate 5 is connected to the outer surface of the connecting plate 6, the second permanent magnet 8 is embedded inside the connecting plate 6, the second permanent magnet 8 is magnetically connected with the first permanent magnet 7, the first permanent magnet 7 is embedded inside the frame 1, the handle 9 is welded and connected to the front side of the frame 1, the balls 10 are embedded on the rear side surface of the base 2 at equal, and base 2 bottom installs fan 11, and fan 11 passes through connecting rod 16 and fixed disk 13 fixed connection, and connecting rod 16 runs through the setting inside base 2's bottom, and rubber wheel 12 is installed to the outside of fixed disk 13, and swing joint has fastener 14 on the fixed disk 13 to the left side fixed mounting of fastener 14 has elastic component 15.

As shown in fig. 1, the connecting pieces 3 are symmetrically arranged about the vertical central axis of the base 2, the longitudinal section of each connecting piece 3 is in a shape of a rounded corner T, the connecting pieces 3 are in an elastic structure, the stability of connection between the base 2 and the lower end of the frame 1 can be ensured under the action of the connecting pieces 3, the base 2 can be conveniently mounted and dismounted, the longitudinal section of each material guide plate 4 is in an inverted V-shaped structure, the surface of each material guide plate 4 is in a honeycomb structure, the material guide plates 4 are fixedly connected with the base 2, and dust can be conveniently collected through the arrangement of the material guide plates 4, so that the later-stage treatment is facilitated;

as shown in fig. 2, the sponge plate 5 and the connecting plate 6 are connected in a sticking manner, the connecting plate 6 and the upper and lower ends of the frame 1 are connected in a clamping manner, the connecting plate 6 and the inner surface of the frame 1 are connected in a magnetic manner, and the connecting plate 6 and the frame 1 are connected more firmly through the magnetic connection of the connecting plate 6 and the frame 1;

like in fig. 4 the surface of rubber wheel 12 is concave-convex structure, and the internal surface of rubber wheel 12 is the sawtooth structure, can increase the frictional resistance between rubber wheel 12 and the blackboard to be convenient for the roll of rubber wheel 12, fastener 14 is connected for the block with the connected mode of rubber wheel 12, and fastener 14 is revolution mechanic on fixed disk 13, is convenient for control the rotation and the fixing of rubber wheel 12 through fastener 14.

The working principle is as follows: when the healthy and environment-friendly blackboard eraser is used, the lower end of the frame 1 is connected with the base 2 in a clamping manner through the connecting piece 3, and the upper end of the base 2 is of an open structure, so that when the frame 1 is moved leftwards and rightwards by the hand-held handle 9, dust falling off when chalk marks are erased by the sponge board 5 falls into the base 2, and is convenient to collect the dust, and when the frame 1 is moved leftwards and rightwards, the rubber wheel 12 below the base 2 is in contact with the surface of a blackboard, so that the rubber wheel 12 is driven to rotate, and the fan 11 at the upper end of the connecting rod 16 is driven to rotate;

when the blackboard eraser is used, the sponge plate 5 is tightly attached to the surface of a blackboard, when the frame 1 is slid leftwards, the left rubber wheel 12 can rotate clockwise, at the moment, the rubber wheel 12 is clamped and connected with the fixed disc 13 through the clamping piece 14, so that the connecting rod 16 on the fixed disc 13 is driven to rotate, and the left fan 11 is driven to rotate, because the clockwise rotation of the fan 11 can drive the air at the upper end of the fan 11 downwards, the dust above the base 2 is accelerated to enter the inside of the base 2, because the structures of the left rubber wheel 12, the fixed disc 13, the clamping piece 14, the elastic piece 15 and the like are opposite to the arrangement directions of the structures of the right rubber wheel 12, the fixed disc 13, the clamping piece 14, the elastic piece 15 and the like, namely, when the frame 1 is moved leftwards, the right fan 11 is in a static state, and the left fan 11 rotates, conversely, when, the left fan 11 cannot be driven to rotate, but the right rubber wheel 12 rotates anticlockwise and can drive the right fan 11 to rotate anticlockwise, and the fan blades of the right fan 11 are opposite in structure, so that the right fan 11 can drive the air above the right fan 11 to move downwards while rotating anticlockwise, the falling speed of dust above the base 2 is increased, and dust collection is facilitated;

when the frame 1 slides leftwards and rightwards, the balls 10 can reduce the frictional resistance between the base 2 and the blackboard, the sponge plate 5 and the connecting plate 6 can be replaced by pulling the sponge plate 5 and the connecting plate 6 outwards, so that the blackboard eraser can be repeatedly used for many times, the service life is prolonged, and the working principle of the healthy and environment-friendly blackboard eraser is realized.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a healthy environmental protection blackboard eraser, includes frame (1) and handle (9), its characterized in that: the lower part of the frame (1) is connected with a base (2), the upper end of the base (2) is connected with a connecting piece (3) in a welding manner, the base (2) is internally provided with a guide plate (4), the frame (1) is internally provided with a connecting plate (6), the outer surface of the connecting plate (6) is connected with a sponge plate (5), the connecting plate (6) is internally embedded with a second permanent magnet (8), the second permanent magnet (8) is magnetically connected with a first permanent magnet (7), the first permanent magnet (7) is embedded in the frame (1), the handle (9) is connected with the front side of the frame (1) in a welding manner, the rear side surface of the base (2) is embedded with balls (10) at equal intervals, the bottom of the base (2) is provided with a fan (11), and the fan (11) is fixedly connected with a fixed disc (13) through a connecting rod (16), and connecting rod (16) run through the setting inside the bottom of base (2), rubber wheel (12) are installed to the outside of fixed disk (13), and swing joint has fastener (14) on fixed disk (13) to the left side fixed mounting of fastener (14) has elastic component (15).

2. The healthy and environment-friendly blackboard eraser as claimed in claim 1, wherein: the connecting pieces (3) are symmetrically arranged about a vertical central axis of the base (2), the longitudinal section of each connecting piece (3) is in a shape of a rounded T, and each connecting piece (3) is of an elastic structure.

3. The healthy and environment-friendly blackboard eraser as claimed in claim 1, wherein: the longitudinal section of the material guide plate (4) is of an inverted V-shaped structure, the surface of the material guide plate (4) is of a honeycomb structure, and the material guide plate (4) is fixedly connected with the base (2).

4. The healthy and environment-friendly blackboard eraser as claimed in claim 1, wherein: the sponge board (5) is connected with the connecting board (6) in a sticking mode, the connecting board (6) is connected with the frame (1) in a clamping mode at the upper end and the lower end, and the connecting board (6) is connected with the inner surface of the frame (1) in a magnetic mode.

5. The healthy and environment-friendly blackboard eraser as claimed in claim 1, wherein: the outer surface of the rubber wheel (12) is of a concave-convex structure, and the inner surface of the rubber wheel (12) is of a sawtooth structure.

6. The healthy and environment-friendly blackboard eraser as claimed in claim 1, wherein: the connecting mode of the clamping piece (14) and the rubber wheel (12) is clamping connection, and the clamping piece (14) is of a rotating structure on the fixed disc (13).