CN211195633U

CN211195633U - Multifunctional blackboard eraser

Info

Publication number: CN211195633U
Application number: CN201922109224.7U
Authority: CN
Inventors: 许乐凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-30
Filing date: 2019-11-30
Publication date: 2020-08-07
Anticipated expiration: 2029-11-30

Abstract

The utility model discloses a multifunctional blackboard eraser, relate to the teaching articles for use field, including the dust guard, the inboard of dust guard is provided with the swivel mount, the one end of swivel mount is provided with chalk anchor clamps, chalk anchor clamps's inboard is provided with anchor clamps and detains, the sponge standing groove has been seted up to one side of swivel mount, dust removal sponge has been placed in the sponge standing groove, the outside middle part fixedly connected with dust guard of dust guard, be provided with the motor in the dust guard, motor fixed mounting is at the outside middle part of dust guard, the pivot of motor runs through the swivel mount and extends to one side of swivel mount, the outside fixedly connected with head rod of dust guard, the one end of head rod is provided with the second connecting rod, the one end of second connecting rod is provided with the screw thread, the one end of second connecting rod inserts the one end inboard of head rod and passes through threaded connection with the head rod. The utility model discloses use laborsaving and clean effectually to have multiple functions.

Description

Multifunctional blackboard eraser

Technical Field

The utility model relates to a teaching articles for use field, in particular to multi-functional blackboard eraser.

Background

The blackboard is often used in teaching, students can understand related knowledge points more easily due to the straight-surface effect of the blackboard, and the blackboard eraser is required to be used for erasing the knowledge points when the writing is wrong or the blackboard is full, and then the students can write again, so that the blackboard eraser is an important matched tool for the blackboard. The conventional blackboard eraser includes an eraser case and an eraser portion, which is brought into contact with a blackboard by holding the eraser case with a hand, to erase written handwriting. However, the blackboard eraser has a single function, and is relatively labor-consuming in erasing, and the erasing effect is not satisfactory. Therefore, it is necessary to invent a multifunctional blackboard eraser to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional blackboard eraser to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multifunctional blackboard eraser, includes the dust guard, the inboard of dust guard has sets up the swivel mount, the one end of swivel mount is provided with chalk anchor clamps, chalk anchor clamps's one end is provided with anchor clamps and buckles, the sponge standing groove has been seted up to one side of swivel mount, the dust removal sponge has been placed in the sponge standing groove, the one end adhesive connection of dust removal sponge has the iron sheet, the bottom surface adhesive connection of sponge standing groove has magnet, the outside middle part fixedly connected with dust excluder of dust guard, be provided with the motor in the dust excluder, motor fixed mounting is at the outside middle part of dust guard, the pivot of motor runs through the swivel mount and extends to one side of swivel mount, the outside fixedly connected with head rod of dust excluder, the one end of head rod is provided with the second connecting rod, the one end of second connecting rod is provided with the screw thread, the one end of second connecting rod insert the one end inboard And one end of the second connecting rod is fixedly connected with a handle.

Preferably, the surface of the second connecting rod is provided with scale marks, the surface of the handle is connected with a sponge layer in an adhering mode, and one end of the handle is fixedly provided with a hanging ring.

Preferably, the rotating frame is provided with a plurality of rotating frames which are distributed in an array manner, and the other ends of the plurality of rotating frames are fixedly connected with one end of a rotating shaft of the motor.

Preferably, the chalk clamp is fixedly connected with one end of the rotating frame, and one end of one clamp claw of the chalk clamp is movably connected with one end of the clamp buckle through a pin shaft.

Preferably, a battery is placed in the first connecting rod, and a control button is arranged on the outer side of the first connecting rod.

Preferably, the front face of the dustproof shell is provided with a plurality of heat dissipation holes, and one end of the front face of the dustproof shell is movably connected with the side face through a pin shaft.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a motor is arranged outside the dust guard, the rotating frame is fixedly connected with the rotating shaft of the motor, and the dust removal sponge is placed on the rotating frame, so that when people clean the blackboard, the blackboard can be cleaned more cleanly by means of the rotation of the motor, and the labor is saved;

2. the utility model discloses a be provided with chalk anchor clamps in the one end of swivel mount, the head rod passes through threaded connection with the second connecting rod, is provided with the scale on the second connecting rod for the blackboard eraser has the function of drawing the circle, drawing sharp and measuring length, and the second connecting rod after the dismantlement can be regarded as the convenient teaching of teacher's pointer and use, thereby has richened the function of blackboard eraser.

Drawings

Fig. 1 is a schematic side sectional view of a part of the structure of the present invention.

Fig. 2 is a schematic front view of a part of the structure of the present invention.

Fig. 3 is a schematic view of the whole structure of the present invention.

Figure 4 is the utility model discloses a sponge standing groove structure side cuts open the schematic diagram.

In the figure: 1. a dust-proof plate; 11. a motor; 2. a dust-proof shell; 3. a first connecting rod; 4. a control button; 5. a second connecting rod; 51. a thread; 6. a handle; 7. a rotating frame; 71. a sponge placing groove; 72. a magnet; 8. a chalk clamp; 81. fastening a clamp; 9. a dust removal sponge; 91. iron sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a multifunctional blackboard eraser as shown in figures 1-4, as shown in figures 1 and 2, comprising a dust-proof plate 1, a plurality of rotating frames 7 distributed in an array are arranged at the inner side of the dust-proof plate 1, a sponge placing groove 71 is arranged at one side of the rotating frames 7, a dust-removing sponge 9 is placed in the sponge placing groove 71, the rotation of the rotating frames 7 can drive the dust-removing sponge 9 to rotate, thereby realizing the wiping function, one end of the rotating frame 7 is fixedly connected with a chalk clamp 8, one end of the chalk clamp 8 is provided with a clamp buckle 81, when needing to draw a circle, a chalk is placed in the chalk clamp 8, the chalk clamp 8 is pulled to lock the chalk, the rotation of the chalk clamp 8 can be driven by the rotation of the rotating frame 7, thereby being capable of drawing a circle in a standard way, the outer middle part of the dust-proof plate 1 is fixedly connected with a dust-proof shell 2, one end of the front of the dust-proof shell 2, be provided with motor 11 in the dustproofing shell 2, motor 11 fixed mounting is at the outside middle part of dust guard 1, motor 11's pivot is run through swivel mount 7 and is extended to one side of swivel mount 7, the other end of a plurality of swivel mounts 7 all with the one end fixed connection of motor 11's pivot, thereby it is rotatory to make motor 11 drive swivel mount 7, the outside fixedly connected with head rod 3 of dustproofing shell 2, the one end of head rod 3 is provided with second connecting rod 5, the one end of second connecting rod 5 is provided with screw 51, the one end of second connecting rod 5 is inserted the one end inboard of head rod 3 and is passed through screw 51 with head rod 3 and be connected, make the mountable of second connecting rod dismantle, facilitate the use and can clean more places.

As shown in fig. 3, the front of dust cover 2 is provided with a plurality of louvres, in order to make things convenient for the heat dissipation of motor 11, the battery has been placed in head rod 3, head rod 3's the outside is provided with control button 4, control button 4 can set up to the facilitate use of self-locking button, second connecting rod 5's surface is provided with the scale mark, consequently, can be used for drawing sharp and measuring length, second connecting rod 5's one end fixedly connected with handle 6, handle 6's surface bonding connection has the sponge layer, handle 6's one end fixed mounting has the link.

As shown in fig. 4, an iron sheet 91 is bonded to one end of the dust removal sponge 9, a magnet 72 is bonded to the bottom surface of the sponge placement groove 71, and the magnet 72 attracts the iron sheet 91 to fix the dust removal sponge 9 and facilitate the installation and removal of the dust removal sponge 9.

The utility model discloses the theory of operation:

the blackboard needing to be cleaned is that the control button 4 is pressed to turn on the motor 11, the dust removal sponge 9 of the device is aligned to the place needing to be cleaned, the rotation of the motor 11 drives the rotation of the rotating frame 7, so that the dust removal sponge 9 is driven to rotate and the blackboard is cleaned, and the dust generated during the cleaning is effectively blocked by the dust-proof plate 1; when a circle needs to be drawn, the dust removal sponge 9 is picked up from the sponge placing groove 71, the chalk is placed in the chalk clamp 8, the motor 11 rotates, and the chalk is driven by taking one end of a rotating shaft of the motor 11 as a circle center, so that a standard circle can be drawn; second connecting rod 5 accessible screw 51 installation is dismantled, can do the teacher's pointer after dismantling to be carved with the scale on the second connecting rod, can follow the second connecting rod and draw the straight line, also can be used to the measurement of length.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A multifunctional blackboard eraser is characterized in that: comprises a dust guard (1), a rotating frame (7) is arranged on the inner side of the dust guard (1), a chalk clamp (8) is arranged at one end of the rotating frame (7), a clamp buckle (81) is arranged at one end of the chalk clamp (8), a sponge placing groove (71) is formed in one side of the rotating frame (7), a dust removing sponge (9) is placed in the sponge placing groove (71), an iron sheet (91) is bonded and connected to one end of the dust removing sponge (9), a magnet (72) is bonded and connected to the bottom surface of the sponge placing groove (71), a dust guard shell (2) is fixedly connected to the middle of the outer side of the dust guard (1), a motor (11) is arranged in the dust guard shell (2), the motor (11) is fixedly installed in the middle of the outer side of the dust guard (1), and a rotating shaft of the motor (11) penetrates through the rotating frame (7) and extends to one side, the outside fixedly connected with head rod (3) of dustcoat (2), the one end of head rod (3) is provided with second connecting rod (5), the one end of second connecting rod (5) is provided with screw thread (51), the one end of second connecting rod (5) is passed through screw thread (51) with the one end of head rod (3) and is connected, the one end fixedly connected with handle (6) of second connecting rod (5).

2. The multi-functional blackboard eraser of claim 1, wherein: the surface of the second connecting rod (5) is provided with scale marks, the surface of the handle (6) is connected with a sponge layer in an adhering mode, and one end of the handle (6) is fixedly provided with a hanging ring.

3. The multi-functional blackboard eraser of claim 1, wherein: the rotating frame (7) is provided with a plurality of rotating frames which are distributed in an array mode, and the other ends of the rotating frames (7) are fixedly connected with one end of a rotating shaft of the motor (11).

4. The multi-functional blackboard eraser of claim 1, wherein: the chalk clamp (8) is fixedly connected with one end of the rotating frame (7), and one end of one clamp claw of the chalk clamp (8) is movably connected with one end of the clamp buckle (81) through a pin shaft.

5. The multi-functional blackboard eraser of claim 1, wherein: a battery is placed in the first connecting rod (3), and a control button (4) is arranged on the outer side of the first connecting rod (3).

6. The multi-functional blackboard eraser of claim 1, wherein: the front of the dustproof shell (2) is provided with a plurality of heat dissipation holes, and one end of the front of the dustproof shell (2) is movably connected with the side face through a pin shaft.